CN211194631U

CN211194631U - Filter core sealing washer vulcanizes shedder for car

Info

Publication number: CN211194631U
Application number: CN201922117616.8U
Authority: CN
Inventors: 芮巧红; 朱福红
Original assignee: Nanjing Jinsanli Macromolecule Science And Technology Co ltd
Current assignee: Nanjing Jinsanli Macromolecule Science And Technology Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-08-07
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a filter core sealing washer vulcanizes shedder for car belongs to rubber article manufacture equipment technical field. The utility model discloses a demoulding device, which comprises an ejection part and a limiting part, wherein an ejection rod is arranged at the position of the ejection part corresponding to a mould core of a forming mould; when in demoulding, the mould cores in the plurality of mould cavities slide relative to the middle mould at the same time, a gap is formed between the filter element sealing ring and the upper side surface of the middle mould, then the limiting piece is clamped in the gap, and finally the mould cores on the filter element sealing ring are ejected out through the ejection rod to finish demoulding; therefore the utility model discloses a shedder easy operation, one-time operation can be with the desorption simultaneously of a plurality of filter core sealing washers in the forming die, and drawing of patterns efficiency is higher, and can not produce the damage to the mould among the drawing of patterns process, has improved the product yield.

Description

Filter core sealing washer vulcanizes shedder for car

Technical Field

The utility model relates to a rubber article manufacture equipment technical field, more specifically say, relate to a filter core sealing washer vulcanizes shedder for car.

Background

At present, the automobile industry has wide development prospect and rapid development situation, and brings opportunity and good market prospect for the development of rubber products. Meanwhile, the quality of the filter element as an important component of the automobile is related to the performance and safety of the automobile. However, after the filter element sealing ring for the automobile is subjected to a vulcanization production process, the finished product needs to be manually subjected to demoulding one by one, so that the workload is high, and the demoulding efficiency is low.

In the related art, a demolding device is usually adopted to reduce the workload of the demolding process, such as the chinese patent document entitled vulcanizing demolding device for a filter element sealing ring for an automobile (application No. 2018216776552). The demolding device comprises a frame body and a table top arranged at the top of the frame body; a splitting component and an ejection component are arranged on the table top; the splitting assembly is configured to split an upper die in the die assembly; the ejection assembly is configured to eject a product embedded in a middle mold in the mold assembly; the splitting assembly comprises a first splitting unit arranged on the table top and configured to limit the degree of freedom of the mold assembly, in particular, the degree of freedom of the mold assembly in the demolding axial direction is mainly limited.

Also, for example, the invention is a chinese patent document entitled rubber product stripper (application No. 2017211548822). The demolding machine comprises a base, a middle base and a top base which are fixedly connected by a plurality of fixing columns in sequence from bottom to top, wherein a cylinder body of a demolding cylinder is fixed on the top base, a piston rod of the demolding cylinder extends downwards, a top die head and a rubber sleeve are detachably fixed at the lower end of the piston rod, and the rubber sleeve is positioned above the top die head; a die holder is fixedly arranged at the upper end of the middle seat and is positioned right below the piston rod, a stepped mounting hole is formed in the upper end of the die holder, a stepped surface is arranged on the upward mounting hole, a material pushing hole extending along the horizontal direction is formed in the bottom of the mounting hole, and a material discharging hole extending along the horizontal direction is formed in the opposite side of the mounting hole; the middle seat is also provided with a material pushing device which can push the rubber product in the mounting hole out of the material pushing hole; the middle seat is provided with a blanking hole which is positioned right below the mounting hole.

For rubber articles of different specific configurations, the demolding devices used may be completely different in their configuration. For example, the inner side wall of the filter element sealing ring is provided with the flange, the flange of the product is usually clamped in the groove of the mold core after vulcanization molding, the whole hardness of the filter element sealing ring is lower, so that the filter element sealing ring is tightly combined with the mold core, and the filter element sealing ring is easily broken from the root of the flange during demolding, so that the yield of the product is reduced.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

The utility model aims to overcome among the prior art filter core sealing washer for car the not enough of convenient and product yield low enough of the not enough drawing of patterns after vulcanizing the shaping, provide a filter core sealing washer for car vulcanizes shedder. This scheme sets up the locating part with the partial roll-off of mold core in the die cavity after, between filter core sealing washer and well mould to utilize the liftout piece to break away from a plurality of filter core sealing washers from the mold core simultaneously, thereby improved the drawing of patterns efficiency of filter core sealing washer, can prevent simultaneously that the filter core sealing washer from taking place to damage at drawing of patterns in-process, improved the product yield.

2. Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model discloses a filter core sealing washer vulcanization shedder for car is used for getting rid of the filter core sealing washer in the forming die, the forming die includes upper die, well mould and bed die, form a plurality of die cavities between well mould and the upper die, sliding connection has the mold core in the die cavity, be formed with the filter core sealing washer on the mold core; the demolding device comprises an ejector piece and a limiting piece, wherein an ejector rod is arranged at a position, corresponding to the mold core, on the ejector piece; the demolding device is configured to:

the mold core part slides out of the mold cavity, the limiting piece is clamped between the filter element sealing ring and the middle mold, and the ejector rod ejects the mold core out of the filter element sealing ring.

Furthermore, a plurality of limiting parts are arranged on the limiting part in parallel, a limiting fork opening is formed between every two adjacent limiting parts, the limiting fork opening is inserted between the filter element sealing ring and the middle die, and the edge of the filter element sealing ring is supported on the limiting parts.

Further, the demolding device is configured to:

the limiting fork openings are inserted between the filter element sealing rings and the middle die, and the edges of the filter element sealing rings are supported on the limiting parts corresponding to the same limiting fork openings.

Furthermore, a supporting part is arranged on the limiting part and faces the upper side face of the middle die.

Furthermore, the die cavity is formed by closing an upper die cavity formed in an upper die and a lower die cavity formed in a middle die, a circle of edge tearing grooves are formed in the periphery of the lower die cavity, and the edge tearing grooves are communicated with the lower die cavity;

the stopper is configured to: when the limiting fork opening is inserted between the filter element sealing ring and the middle die, the supporting part is positioned outside the tearing groove.

Further, the mold core is provided with a jacking part and a forming part positioned at the top end of the jacking part, and the forming part is arranged in the mold cavity; the demolding device is configured to:

the jacking portion slides relative to the middle mold to slide the molding portion out of the mold cavity.

Further, a circle of groove is formed in the periphery of the forming portion, an R angle is formed in the groove, and a flange is formed at the groove of the filter element sealing ring.

Furthermore, a limiting hole is formed in the middle die, a through accommodating cavity is formed in the middle die and the lower die at the position corresponding to the limiting hole, and the free end of the jacking portion penetrates through the limiting hole and is suspended in the accommodating cavity.

Furthermore, the free end of the jacking portion is provided with a limiting block, and the limiting block is in limiting fit with the limiting hole.

Further, the height of the mold core is larger than the thickness of the middle mold and smaller than the sum of the thicknesses of the middle mold and the lower mold.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

(1) the utility model discloses a demoulding device, which comprises an ejection part and a limiting part, wherein an ejection rod is arranged at the position of the ejection part corresponding to a mould core of a forming mould; when in demoulding, the mould cores in the plurality of mould cavities slide relative to the middle mould at the same time, a gap is formed between the filter element sealing ring and the upper side surface of the middle mould, then the limiting piece is clamped in the gap, and finally the mould cores on the filter element sealing ring are ejected out through the ejection rod to finish demoulding; therefore the utility model discloses a shedder easy operation, one-time operation can be with the desorption simultaneously of a plurality of filter core sealing washers in the forming die, and drawing of patterns efficiency is higher, and can not produce the damage to the mould among the drawing of patterns process, has improved the product yield.

(2) In the utility model, the limiting part is provided with a supporting part which is arranged towards the upper side of the middle die, the die cavity is formed by the upper die cavity arranged on the upper die and the lower die cavity arranged on the middle die after die assembly, a circle of edge tearing groove is arranged around the lower die cavity, and the edge tearing groove is communicated with the lower die cavity; the limiting piece is configured to limit the fork opening to be inserted between the filter element sealing ring and the middle die, and the supporting part is located outside the edge tearing groove. Consequently, the ejector rod carries out ejecting in-process to the die core, the locating part not with tear the contact of limit groove to the protection is torn the limit groove and is not damaged, has prolonged forming die's life.

(3) In the utility model, the mold core is provided with a jacking part and a forming part positioned at the top end of the jacking part, and the forming part is arranged in the mold cavity; the demolding device is configured to slide the jacking portion relative to the middle mold to slide the molding portion out of the mold cavity; the middle mould is provided with a limiting hole, the middle mould and the lower mould are provided with a through containing cavity at the position corresponding to the limiting hole, the free end of the jacking part penetrates through the limiting hole and is suspended in the containing cavity, the height of the mould core is larger than the thickness of the middle mould and is smaller than the sum of the thicknesses of the middle mould and the lower mould, so that the forming parts of all the mould cores can be ejected out only by placing the middle mould on a flat plate during demoulding, and the demoulding of a plurality of filter element sealing rings is further facilitated.

Drawings

Fig. 1 is a schematic structural view of a forming mold in the present invention;

FIG. 2 is a schematic view of the matching relationship between the demolding device and the forming mold of the present invention;

fig. 3 is a schematic structural diagram of the middle position limiting part of the present invention.

The reference numerals in the schematic drawings illustrate: 100. forming a mold; 110. an upper die; 120. a middle mold; 121. a mold core; 130. a lower die; 210. ejecting the part; 211. ejecting the rod; 220. a limiting member; 221. a support portion; 222. limiting fork openings; 300. and a filter element sealing ring.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.

The structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the achievable purpose. In addition, the terms "upper", "lower", "left", "right" and "middle" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

Referring to fig. 1, the automotive filter element sealing ring to be processed according to the embodiment is roughly in a circular ring structure, a circle of flange is arranged on the inner side wall of the filter element sealing ring around the circumference of the inner side wall, and an R angle is formed by the flange; the outer side surface of the filter element sealing ring is provided with an inclined plane, and the thickness of the filter element sealing ring at the inclined plane is gradually reduced, so that the outer side surface of the filter element sealing ring is integrally of a round table structure.

At present, a forming mold 100 commonly used in the related art for processing a filter element sealing ring for an automobile may specifically include an upper mold 110, a middle mold 120, and a lower mold 130, wherein after the upper mold 110, the middle mold 120, and the lower mold 130 are assembled with each other, a plurality of mold cavities are formed between the upper mold 110 and the middle mold 120, a mold core 121 is disposed in each mold cavity, and the mold core 121 is slidably connected to the middle mold 120 and can move relative to the middle mold 120 to eject a formed filter element sealing ring 300 out of the mold cavity.

For the traditional demoulding method, after the filter element sealing rings 300 are ejected out, the filter element sealing rings on the plurality of mould cores 121 are directly and manually removed one by one, the efficiency is very low, the hardness of the filter element sealing rings is generally about 40shore A, so that flanges embedded in grooves on the mould cores are difficult to remove, and the demoulding difficulty of the filter element sealing rings is increased. Meanwhile, the filter element sealing ring is easily damaged in the manual demoulding process.

The demolding device of the present embodiment may specifically include an ejector 210 and a limiting member 220, wherein an ejector rod 211 is disposed at a position on the ejector 210 corresponding to the mold core 121, and the ejector rod 211 may be led out from a lower side surface of the ejector 210 and disposed toward the mold core 121. Referring to fig. 2, after the filter element sealing ring 300 is vulcanized and molded and is opened, the plurality of mold cores 121 on the middle mold 120 are moved relative to the middle mold 120, so that the filter element sealing ring 300 formed on the mold cores 121 is ejected out of the mold cavity, a gap is formed between the lower side surface of the filter element sealing ring 300 and the upper side surface of the middle mold 120, then the limiting member 220 is clamped in the gap, the edge of the filter element sealing ring 300 is supported on the limiting member 220, and the mold cores 121 are arranged in the filter element sealing ring 300; then, the plurality of ejector rods 211 of the ejector 210 are matched with the plurality of mold cores 121 one by one, and finally, the mold cores 121 on the plurality of filter element seal rings 300 are ejected out of the filter element seal rings 300 at the same time, so that the simultaneous demolding of the plurality of filter element seal rings 300 is completed.

Referring to fig. 3, a plurality of limiting portions may be disposed in parallel on the limiting member 220 of the present embodiment, and a limiting fork 222 is formed between adjacent limiting portions. When the limiting member 220 is clamped between the mold 120 of the filter element sealing ring 300, the mold core 121 is located in the limiting fork 222, and the edge of the filter element sealing ring 300 is supported on two limiting portions corresponding to the limiting fork 222.

As a further optimization, a plurality of mold cores 121 may be disposed in the same limiting fork 222, that is, the same limiting fork 222 is simultaneously matched with the mold cores 121 in the plurality of mold cavities and the filter element sealing rings 300 formed on the mold cores 121. Specifically, a plurality of mold cavities formed between the middle mold 120 and the upper mold 110 are arranged in an array, and the plurality of mold cavities are arranged orderly in at least one direction, so that the same limiting fork 222 can simultaneously penetrate through the plurality of mold cores 121.

Further preferably, the supporting portion 221 may be disposed on the limiting portion, and the supporting portion 221 may be disposed toward the upper side of the middle mold 120. When the limiting member 220 is clamped between the filter element sealing ring 300 and the middle mold 120, the supporting portion 221 of the limiting portion corresponding to the limiting fork 222 is supported on the upper side surface of the middle mold 120, so that the contact area between the limiting member 220 and the upper side surface of the middle mold 120 is reduced, and the limiting member 220 is prevented from damaging the mold cavity during demolding.

In the related art, an upper cavity is formed in the upper mold 110, a lower cavity is formed in the middle mold 120, and the upper cavity and the lower cavity form a cavity when the molding die 100 is closed. Therefore, the burr of the cartridge seal ring 300 is easily formed on the surface where the upper mold 110 and the middle mold 120 contact each other. In order to effectively and quickly remove the flash of the filter element sealing ring 300, a circle of edge tearing grooves can be arranged around the die cavity. Specifically, can set up the round around the die cavity down and tear the limit groove, should tear the limit groove and communicate with lower die cavity each other, consequently make filter core sealing washer 300 can form the round around and tear the limit muscle after the vulcanization is accomplished, directly can just get rid of filter core sealing washer 300's overlap through tearing the mode that tears the limit muscle this moment.

In order to prevent the edge tearing groove from being damaged by the limiting member 220 in the process of demolding the filter element sealing ring 300, the supporting portion 221 may be disposed at a position other than the edge tearing groove, that is, when the limiting fork 222 is inserted between the filter element sealing ring 300 and the middle mold 120, the supporting portions 221 on two limiting portions corresponding to the limiting fork 222 are both located outside the edge tearing groove, so as to prevent the supporting portion 221 from contacting the edge tearing groove to damage the edge tearing groove.

The mold core 121 of the present embodiment specifically includes a jack-up portion and a molding portion provided at the top end of the jack-up portion, the molding portion is located in the mold cavity, the filter element seal ring 300 is formed on the molding portion, and the jack-up portion is slidable with respect to the middle mold. Therefore, after the filter element sealing ring 300 is vulcanized, the molding part can be ejected out of the mold cavity in a mode of moving the ejection part, so that the filter element sealing ring 300 is ejected out of the mold cavity, and the filter element sealing ring 300 is conveniently removed.

The shape of the molding part corresponds to the shape of the cartridge gasket 300. Specifically, the periphery of the molding portion is provided with a circle of groove along the circumferential direction thereof, and the groove is provided with an R angle, so that the filter element sealing ring 300 forms a flange at a position corresponding to the groove after vulcanization.

One end of the jacking portion is connected with the forming portion, the other end of the jacking portion is freely movable, and the forming portion is driven to move together by moving the free end of the jacking portion. Specifically, a limiting hole may be formed in the bottom of each mold cavity of the middle mold 120, a through accommodating cavity is formed in the positions of the middle mold 120 and the lower mold 130 corresponding to the limiting holes, and the free end of the jacking portion passes through the limiting hole and is suspended in the accommodating cavity. During demolding, a jacking piece can extend into the accommodating cavity from the lower side surface of the lower die 130, and the jacking piece is matched with the jacking part to jack the jacking part, so that the forming part is driven to jack up and is separated from the die cavity.

To prevent the lifters from fully ejecting the mold core 121 out of the mold cavity during the liftoff process. A limiting block can be arranged at the free end of the jacking portion, the size of the limiting block is not matched with the limiting hole, and the limiting block cannot pass through the limiting hole. Therefore, in the process of jacking the mold core 121 by the jacking piece, after the limiting block reaches the limiting hole, the mold core 121 cannot be jacked up continuously due to the limiting matching of the limiting block and the limiting hole, so that the mold core 121 can be prevented from being completely jacked out of the mold cavity, and the demolding process is not convenient.

In addition, the height of the mold core 121 may be greater than the thickness of the middle mold 120 and less than the sum of the thicknesses of the middle mold 120 and the lower mold 130, so that after the vulcanization is completed, the upper mold 110, the middle mold 120 and the lower mold 130 are detached, and the middle mold 120 is placed on a flat plate, which can simultaneously jack up the forming parts 2321 of the mold cores 121 of a plurality of mold cavities, so as to eject the filter element seal rings 300 out of the mold cavities, thereby completing the batch demolding of the filter element seal rings 300.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims

1. A vulcanization demoulding device for a filter element sealing ring for an automobile is used for removing the filter element sealing ring (300) in a forming mould (100), wherein the forming mould (100) comprises an upper mould (110), a middle mould (120) and a lower mould (130), a plurality of mould cavities are formed between the middle mould (120) and the upper mould (110), a mould core (121) is connected in the mould cavities in a sliding mode, and the filter element sealing ring (300) is formed on the mould core (121); the method is characterized in that: the demolding device comprises an ejector piece (210) and a limiting piece (220), wherein an ejector rod (211) is arranged at a position, corresponding to the mold core (121), on the ejector piece (210); the demolding device is configured to:

the limiting piece (220) is clamped between the filter element sealing ring (300) and the middle mold (120) after the mold core (121) partially slides out of the mold cavity, and the ejector rod (211) ejects the mold core (121) from the filter element sealing ring (300).

2. The filter element sealing ring vulcanization demoulding device for the automobile as claimed in claim 1, wherein: the limiting piece (220) is provided with a plurality of limiting parts in parallel, a limiting fork opening (222) is formed between every two adjacent limiting parts, the limiting fork opening (222) is inserted between the filter element sealing ring (300) and the middle mold (120), and the edge of the filter element sealing ring (300) is supported on the limiting parts.

3. The filter element sealing ring vulcanization demoulding device for the automobile as claimed in claim 2, wherein: the demolding device is configured to:

the limiting fork openings (222) are inserted between the filter element sealing rings (300) and the middle mold (120), and the edges of the filter element sealing rings (300) are supported on the limiting parts corresponding to the same limiting fork openings (222).

4. The filter element sealing ring vulcanization demoulding device for the automobile as claimed in claim 2 or 3, wherein: the limiting part is provided with a supporting part (221), and the supporting part (221) faces the upper side face of the middle die (120).

5. The filter element sealing ring vulcanization demoulding device for the automobile as claimed in claim 4, wherein: the die cavity is formed by closing an upper die cavity formed in an upper die (110) and a lower die cavity formed in a middle die (120), a circle of edge tearing grooves are formed in the periphery of the lower die cavity, and the edge tearing grooves are communicated with the lower die cavity;

the stopper (220) is configured to: when the limiting fork opening (222) is inserted between the filter element sealing ring (300) and the middle mold (120), the supporting part (221) is positioned outside the edge tearing groove.

6. The filter element sealing ring vulcanization demoulding device for the automobile as claimed in claim 1, wherein: the mold core (121) is provided with a jacking part and a forming part positioned at the top end of the jacking part, and the forming part is arranged in the mold cavity; the demolding device is configured to:

the lifter slides relative to the middle mold (120) to slide the molding section out of the mold cavity.

7. The filter element sealing ring vulcanization demoulding device for the automobile as claimed in claim 6, wherein: the periphery of shaping portion has seted up the round recess, the recess is led and is had the R angle, filter core sealing washer (300) are formed with the flange in groove.

8. The filter element sealing ring vulcanization demoulding device for the automobile as claimed in claim 6, wherein: the middle die (120) is provided with a limiting hole, a through containing cavity is formed at the position, corresponding to the limiting hole, of the middle die (120) and the lower die (130), and the free end of the jacking portion penetrates through the limiting hole and is suspended in the containing cavity.

9. The filter element sealing ring vulcanization demoulding device for the automobile as claimed in claim 8, wherein: the free end of the jacking portion is provided with a limiting block, and the limiting block is in limiting fit with the limiting hole.

10. The filter element sealing ring vulcanization demoulding device for the automobile as claimed in claim 8, wherein: the height of the mold core (121) is greater than the thickness of the middle mold (120) and less than the sum of the thicknesses of the middle mold (120) and the lower mold (130).