CN213675017U - Middle mold heating plate and mold assembly thereof - Google Patents
Middle mold heating plate and mold assembly thereof Download PDFInfo
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- CN213675017U CN213675017U CN202022013663.0U CN202022013663U CN213675017U CN 213675017 U CN213675017 U CN 213675017U CN 202022013663 U CN202022013663 U CN 202022013663U CN 213675017 U CN213675017 U CN 213675017U
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Abstract
The utility model provides a middle mold heating plate and a mold assembly thereof, which comprises a heating plate unit, wherein a cavity structure is arranged on the heating plate unit; and the adaptation install in ejecting unit in the cavity structure, ejecting unit includes that gasbag, upper and lower symmetry set up the liftout plate of the both sides of gasbag and be located respectively the connecting piece with two sets of elastic component between the liftout plate combine the symmetry to set up the template that is used for shaping rubber track and sets up the ejector pin subassembly inside the template in the hot plate both sides for when well mould hot plate is arranged in rubber track former's mould, can realize the quick drawing of patterns of rubber track through the business turn over gas of control gasbag, drawing of patterns process rubber track atress is even everywhere, not damaged, and this structural design is simple, ingenious and stability is high.
Description
Technical Field
The utility model relates to a rubber track processing preparation technique especially relates to a well mould hot plate and mould assembly thereof.
Background
The rubber track is widely applied to industries such as engineering machinery and agricultural machinery, and as a walking part of chain type engineering machinery, the rubber track can prevent the steel track from damaging the ground, more and more engineering machinery selects the rubber track, in order to increase the anti-skid performance of the rubber track, an anti-skid boss is designed on the surface of the rubber track, in the actual vulcanization process, the boss needs to go deep into a cavity of a mold, and after vulcanization is completed, the boss is taken out to complete processing production.
The Chinese utility model patent 201921213440.X discloses an ejection structure of a rubber plate mold, which comprises a mold cover and a bottom mold, wherein the middle part in the bottom mold is provided with an adjusting chamber with a hollow structure, an ejection bottom plate is embedded in the adjusting chamber, and the bottom surface of the ejection bottom plate is connected with the inner wall of the bottom part of the adjusting chamber through a plurality of compression springs; two ends of the bottom of the ejection bottom plate are respectively provided with a guide rod which is downwards and vertically inserted into the bottom die, and the bottom of the guide rod is outwards and vertically bent to form a limiting plate; according to the technical scheme, the ejection bottom plate and the die cover form a die cavity, so that the rubber plate is placed on the ejection bottom plate after being formed, the die cover and the die core are matched and pressed downwards when die assembly is carried out, the compression spring is compressed, the die cover is tightly attached to the ejection bottom plate, and the forming quality is ensured; when the die is opened, the ejection bottom plate is ejected out under the restoring force of the compression spring, and the whole formed piece is pushed out of the bottom die, so that the die is convenient to demold; meanwhile, the guide rod ensures that the ejection bottom plate is lifted stably, the limiting plate provides supporting acting force when the mold is closed, and the ejection distance of the ejection bottom plate is controlled when the mold is opened.
However, according to the technical scheme, the compression spring deforms under the action of external force, the mold is ejected out under the action of the elastic force of the spring reset when the mold is ejected, the mold is not suitable for the production and processing of softer products after vulcanization of the crawler belt, particularly the annular crawler belt, ejection equipment is required on the upper mold and the lower mold, the mold space is small, and the mechanical ejection is difficult to realize.
SUMMERY OF THE UTILITY MODEL
One of the purposes of the utility model is to prior art's weak point, a well mould hot plate is provided, hot plate cooperation connecting piece through adopting two symmetry settings forms the cavity structure that can be used to hold ejecting unit, and cooperate the gasbag of ejecting unit to combine the structural design of liftout plate, when making well mould hot plate be arranged in rubber track former's mould, can realize the quick drawing of patterns of rubber track through the business turn over gas of control gasbag, drawing of patterns process rubber track atress is even everywhere, the not damaged, and this structural design is simple, ingenious and stability is high.
In order to achieve the above object, the utility model provides a following technical scheme:
a middle mold heating plate, comprising:
the heating plate unit is provided with a cavity structure;
the two end parts of the heating plate unit are respectively provided with a connecting piece; and
the ejection unit is installed in the cavity structure in an adaptive mode and comprises an air bag and ejection plates which are symmetrically arranged on two sides of the air bag from top to bottom, and an opening used for air inlet and outlet is formed in one end of the air bag.
As an improvement, the heating plate unit comprises two symmetrically arranged heating plates, the cavity structure is formed between the two heating plates, and the end parts of the two heating plates are connected through the connecting piece respectively; and an air path communicated with the opening on the air bag is formed in the connecting piece.
And elastic components are arranged between the connecting piece and the ejection plate in the cavity structure.
As an improvement, the elastic assembly comprises two limiting blocks and elastic pieces which are symmetrically arranged up and down, one end of each elastic piece is connected with the corresponding ejector plate, and the other end of each elastic piece is pressed on the corresponding connecting piece through the corresponding limiting block.
The heating plate is internally provided with an S-shaped channel for heating oil to flow through, and the S-shaped channel is continuously arranged along the length direction of the heating plate; and the S-shaped channels arranged in the two heating plates are communicated end to end.
As an improvement, the connecting piece is provided with an oil way, and the oil way is respectively communicated with S-shaped channels arranged in the two heating plates through oil pipes.
The connecting piece is of a convex structure and comprises integrally formed connecting parts and a protruding positioning part arranged on one side face of the connecting parts, two ends of each connecting part penetrate through the inside of the two heating plates respectively, and the positioning part faces one side of the ejection unit.
The utility model discloses a further purpose is to prior art's weak point, still provides a mould assembly, through the aforesaid well mould hot plate the upper and lower face all install the template that is used for the shaping rubber track to the cooperation is in the template effect of a plurality of ejector pin subassembly that the profile of tooth spare shaping die cavity department of rubber track set up, through control gasbag business turn over gas and then make corresponding ejector pin subassembly of ejector plate control quick, stable ejecting the product break away from the shaping die cavity of template, and the invention is equipped with cooling channel through intercommunication at the template both ends, and then realizes seamless linking after the twice vulcanization shaping of rubber track, improves rubber track shaping quality.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a mold assembly, its characterized in that includes according to above-mentioned technical scheme a well mould hot plate, two all install the template that is used for shaping rubber track on the upper and lower face of hot plate, all be equipped with a plurality of ejector pin subassembly respectively along its length direction on the template, every ejector pin subassembly is equipped with the outside spring of this ejector pin including the ejector pin that runs through the template setting and the cover.
The template is provided with a plurality of guide holes matched with the corresponding ejector rods, and the guide holes are formed in the tooth-shaped part forming cavities of the rubber track on the template; the ejector rod is of a stepped structure and comprises a limiting portion close to the forming cavity and a guide portion integrally formed with the limiting portion, a limiting piece is arranged at the end of the guide portion, and the transverse size of the limiting piece is larger than that of the guide portion.
And cooling channels are arranged at the two end parts of the templates and communicated through pipelines.
The beneficial effects of the utility model reside in that:
(1) the utility model discloses an adopt the hot plate cooperation connecting piece that two symmetries set up to form the cavity structure that can be used to hold ejecting unit to the structural design of the gasbag combination liftout plate of cooperation ejecting unit, when making well mould hot plate be arranged in rubber track former's mould, can realize the quick drawing of patterns of rubber track through the business turn over gas of control gasbag, drawing of patterns process rubber track atress is even everywhere, not damaged, and this structural design is simple, ingenious and stable high.
(2) In the utility model, one end of the elastic part is connected with the ejector plate, and the other end is positioned and pressed by the limiting block and the connecting part, when the air bag expands, the elastic part is limited by the limiting block under the guiding action of the limiting block, so as to prevent the air bag from expanding infinitely; when the air bag is deflated, the ejector plate is quickly reset under the action of the elastic piece;
(3) the utility model discloses an S type passageway is seted up in well mould hot plate to and cooperate the connecting piece to make S type passageway end to end intercommunication, two hot plates form a heating module, are heated evenly and the stability of temperature when guaranteeing the mould heating, and then make the vulcanization effect of rubber track better, improved the quality of product;
(4) the connecting piece is designed into a convex structure, the positioning part of the connecting piece is matched with the limiting block to position the elastic piece, the connecting part of the connecting piece connects the two heating plates, and the connecting part is internally provided with the gas circuit communicated with the air bag, so that the gas circuit is avoided and an oil circuit is arranged, the structural design is ingenious and compact, and the functions of positioning, heat conducting oil conveying, gas conveying and connection are integrated in the limited space;
(5) the utility model discloses an all install the template that is used for shaping rubber track in the above-mentioned well mould hot plate, and cooperate with the effect of a plurality of ejector pin subassemblies that set up in the profile of tooth spare shaping die cavity department of rubber track on the template, through controlling gasbag business turn over gas and then make the ejector plate control corresponding ejector pin subassembly fast, stable ejecting the product and break away from the shaping die cavity of template;
(6) the utility model discloses through set up the cooling channel on the template, when the annular track was vulcanized for the first time, the cooling channel was opened, and the cooling water flowed in, made the track above the cooling channel can't vulcanize the shaping completely; after the first vulcanization is completed, the annular track rotates by 90 degrees, the second vulcanization is carried out, the cooling channel is closed at the moment, the rubber track can be normally vulcanized, and then seamless connection is realized after the rubber track is vulcanized and formed twice, the forming quality of the rubber track is improved, and the strength and the service life of the track are improved.
To sum up, the utility model has the advantages of well mould hot plate structural design is simple, and drawing of patterns process rubber track atress is even everywhere, not damaged, and ingenious and stability is high, and the mould is heated evenly, and rubber track vulcanization quality is high, realizes seamless linking of rubber track, has improved the quality of rubber track.
Drawings
FIG. 1 is a schematic view of the overall structure of a middle mold heating plate of the present invention;
FIG. 2 is a schematic diagram of the structure of the heating plate of the present invention;
FIG. 3 is a schematic view of the internal structure of the heating plate of the present invention;
FIG. 4 is a schematic view of the structure of the connector of the present invention;
fig. 5 is a sectional view of the ejection unit of the present invention;
fig. 6 is a schematic view of the ejection unit C according to the present invention;
FIG. 7 is a schematic structural view of the airbag in an uninflated state;
FIG. 8 is a schematic view of the airbag in a partially enlarged configuration at the uninflated state A;
FIG. 9 is a schematic view of the structure of the air bag in the inflated state;
FIG. 10 is a schematic view of the airbag at the inflated state B according to the present invention;
FIG. 11 is a schematic view of the mold assembly of the present invention;
FIG. 12 is a schematic view of the vulcanization of the rubber track of the present invention;
fig. 13 is a schematic structural view of the push rod assembly of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Example one
As shown in fig. 1, 2 and 6, a middle mold heating panel includes:
the heating plate unit 1 is provided with a cavity structure 11;
the two ends of the heating plate unit 1 are respectively provided with a connecting piece 2; and
the ejection unit 3 is fittingly installed in the cavity structure 11, and comprises an air bag 31 and ejection plates 32 which are symmetrically arranged at two sides of the air bag 31, wherein one end of the air bag 31 is provided with an opening 311 for air inlet and outlet;
the airbag 31 is made of a high-temperature-resistant elastic material.
As shown in fig. 4, the connecting member 2 has a convex structure, and includes a connecting portion 24 and a positioning portion 25 protruding from a side surface of the connecting portion 24, two ends of the connecting portion 24 respectively penetrate through the two heating plates 13, and the positioning portion 25 is disposed toward one side of the ejection unit 3.
As shown in fig. 1 and 6, the heating plate unit 1 includes two symmetrically arranged heating plates 13, the cavity structure 11 is formed between the two heating plates 13, and the end portions of the two heating plates 13 are connected through the connecting member 2 respectively; the interior of the connecting piece 2 is provided with an air passage 21 communicated with the opening 311 on the air bag 31.
As shown in fig. 6, elastic members 33 are disposed between the connecting member 2 and the ejector plate 32 in the cavity structure 11.
As shown in fig. 6, the elastic component 33 includes two stoppers 331 and two elastic members 332, which are disposed in a vertically symmetrical manner, one end of each elastic member 332 is connected to the corresponding ejector plate 32, and the other end of each elastic member 332 is pressed on the corresponding connecting member 2 through the corresponding stopper 331.
As shown in fig. 3, an S-shaped channel 12 for flowing heating oil is formed inside the heating plate 13, and the S-shaped channel 12 is continuously formed along the length direction of the heating plate 13; the S-shaped channels 12 arranged in the two heating plates 13 are communicated end to end.
As shown in fig. 3, an oil path 22 is opened on the connecting member 2, and the oil path 22 is respectively communicated with the S-shaped channels 12 opened inside the two heating plates 13 through oil pipes 23.
It should be noted that one end of the limiting block 331 is a notch, wherein the notch faces the elastic member 332, so as to limit the opening position of the elastic member 332; in addition, the elastic member 332 is connected to the positioning portion 25 through a fastening member via the other end of the stopper 331, and may also be fixed by pressing a template provided above the heating plate 1.
In addition, the connecting piece 2 is designed into a convex structural design, the positioning part of the connecting piece is matched with the limiting block to position the elastic piece, the connecting part of the connecting piece connects the two heating plates, and the connecting part is internally provided with an air path communicated with the air bag, so that the air path is avoided and an oil path is formed.
Example two
As shown in fig. 12, when the rubber crawler 100 is processed by the two-stage vulcanizer, the upper mold 6, the middle mold 4, and the lower mold 5 constitute a primary vulcanization mold assembly, thereby completing the primary vulcanization of the rubber crawler 100, and after the primary vulcanization is completed, the rubber crawler 100 is rotated by 90 ° to perform the secondary vulcanization.
As shown in fig. 7 to 13, in which the same or corresponding components as in the first embodiment are denoted by the same reference numerals as in the first embodiment, only the points of difference from the first embodiment will be described below for the sake of convenience. The second embodiment is different from the first embodiment in that:
the utility model discloses still can relate to a mould assembly, including above-mentioned technical scheme a well mould hot plate, two all install the template 4 that is used for the shaping rubber track above and below the hot plate 13, all be equipped with a plurality of ejector pin subassembly 41 respectively along its length direction on the template 4, every ejector pin subassembly 41 is including the ejector pin 411 and the cover that run through template 4 setting being equipped with the outside spring 412 of this ejector pin 411.
As shown in fig. 8, a plurality of guide holes 42 adapted to the corresponding lift pins 411 are formed in each of the mold plates 4, and the guide holes 42 are disposed in a tooth forming cavity 46 of a rubber track on the mold plate 4; the top rod 411 is of a stepped structure, and includes a limiting portion 4111 close to the molding cavity 46 and a guiding portion 4112 integrally formed with the limiting portion 4111, wherein a limiting member 43 is disposed at an end of the guiding portion 4112, and a lateral dimension of the limiting member 43 is greater than a lateral dimension of the guiding portion 4112;
when the carrier rod 411 moves along the guide hole 42, the guide portion 4112 and the guide hole 42 slide and guide, and when the rubber crawler belt is ejected, the stopper 43 limits the position to prevent the carrier rod 411 from flying out; when the ejector pin 411 resets, the limiting part 4111 limits the ejector pin 411, and the spring 412 is matched to act, so that the end face of the limiting part 4111 coincides with the bottom surface of the forming cavity 46 after the ejector pin 411 resets, the bottom surface of the forming cavity 46 is flat when the subsequent rubber track is formed, and the rubber track forming is facilitated.
As shown in fig. 11, cooling channels 44 are opened at both ends of the mold plates 4, and the cooling channels 44 of the two mold plates 4 are communicated with each other through a pipeline 45.
It should be noted that, when the endless track is vulcanized for the first time, the cooling channel 44 is opened, and cooling water flows in, so that the track above the cooling channel 44 cannot be completely vulcanized and molded; after the first vulcanization is completed, the annular track rotates by 90 degrees, the second vulcanization is carried out, the cooling channel 44 is closed at the moment, the rubber track can be normally vulcanized, and then seamless connection is achieved after the rubber track is vulcanized and formed twice, the forming quality of the rubber track is improved, the strength of the track is improved, and the service life of the track is prolonged.
The working process is as follows:
when the annular crawler belt is vulcanized for the first time, the cooling channel 44 is opened, and cooling water flows in, so that the crawler belt positioned above the cooling channel 44 cannot be completely vulcanized; after the first vulcanization is finished, the annular crawler rotates by 90 degrees for the second vulcanization, at the moment, the cooling channel 44 is closed, all parts are normally vulcanized, after the crawler vulcanization is finished, discharging is carried out, the air bag 31 is inflated and expanded to jack the top plate 32, the top plate 32 drives the ejector rod 411 to jack the crawler clamped in the mold, at the moment, the spring 412 arranged on the ejector rod 411 is in a compressed state, and the elastic piece 332 is in an open state; after the vulcanized crawler belt is taken away, the air bag 31 is deflated, the top plate 32 is driven to reset under the action of the elastic force of the elastic piece 332, and meanwhile, the ejector rod 411 is driven to reset under the action of the spring 412 in a compressed state, so that the ejection work of the rubber crawler belt is completed.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A middle mold heating plate, comprising:
the heating plate unit (1), wherein a cavity structure (11) is arranged on the heating plate unit (1);
the two ends of the heating plate unit (1) are respectively provided with a connecting piece (2); and
the ejection unit (3) is installed in the cavity structure (11) in an adaptive mode and comprises an air bag (31) and ejection plates (32) which are arranged on two sides of the air bag (31) in an up-down symmetrical mode, and an opening (311) for air inlet and outlet is formed in one end of the air bag (31).
2. A medium mould heating plate according to claim 1, characterized in that the heating plate unit (1) comprises two symmetrically arranged heating plates (13), the cavity structure (11) is formed between the two heating plates (13), and the ends of the two heating plates (13) are respectively connected through the connecting piece (2); an air path (21) communicated with the opening (311) on the air bag (31) is formed in the connecting piece (2).
3. A mid-die heating plate as claimed in claim 1 or 2, wherein a resilient member (33) is provided within the cavity formation (11) between the connector (2) and the ejector plate (32).
4. A heating plate for a middle mold as claimed in claim 3, wherein the elastic member (33) comprises two stoppers (331) and elastic members (332) disposed up and down symmetrically, one end of each elastic member (332) is connected to the corresponding ejecting plate (32), and the other end of each elastic member is pressed against the corresponding connecting member (2) by the corresponding stopper (331).
5. A heating plate for a middle mold according to claim 2, wherein an S-shaped channel (12) for circulation of heating oil is opened inside the heating plate (13), and the S-shaped channel (12) is continuously opened along the length direction of the heating plate (13); the S-shaped channels (12) arranged in the two heating plates (13) are communicated end to end.
6. A heating plate with a middle mold as claimed in claim 5, wherein the connecting piece (2) is provided with an oil path (22), and the oil path (22) is respectively communicated with the S-shaped channels (12) arranged inside the two heating plates (13) through oil pipes (23).
7. A heating plate for a middle mold according to claim 2, wherein the connecting member (2) is of a convex structure, and comprises a connecting portion (24) and a positioning portion (25) protruding from one side of the connecting portion (24), the two ends of the connecting portion (24) are respectively inserted into the two heating plates (13), and the positioning portion (25) is disposed toward one side of the ejecting unit (3).
8. A mold assembly, comprising a middle mold heating plate according to any one of claims 1 to 7, wherein two mold plates (4) for forming a rubber crawler are mounted on the upper and lower surfaces of the two heating plates (13), a plurality of ejector rod components (41) are respectively arranged on the mold plates (4) along the length direction of the mold plates, and each ejector rod component (41) comprises an ejector rod (411) penetrating through the mold plates (4) and a spring (412) sleeved outside the ejector rod (411).
9. The mold assembly according to claim 8, wherein each of the mold plates (4) is provided with a plurality of guide holes (42) adapted to the corresponding ejector pins (411), and the guide holes (42) are provided at the tooth-shaped part forming cavities (46) of the rubber tracks on the mold plates (4); ejector pin (411) are cascaded structure, and it includes and is close to spacing portion (4111) of shaping die cavity (46) department and guide part (4112) that sets up with this spacing portion (4111) integrated into one piece, the tip of guide part (4112) is equipped with locating part (43) and the lateral dimension of this locating part (43) is greater than the lateral dimension of guide part (4112).
10. The mold assembly according to claim 9, wherein the two end portions of the mold plates (4) are provided with cooling channels (44), and the cooling channels (44) of the two mold plates (4) are communicated with each other through a pipeline (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022013663.0U CN213675017U (en) | 2020-09-15 | 2020-09-15 | Middle mold heating plate and mold assembly thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022013663.0U CN213675017U (en) | 2020-09-15 | 2020-09-15 | Middle mold heating plate and mold assembly thereof |
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| CN213675017U true CN213675017U (en) | 2021-07-13 |
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| CN202022013663.0U Active CN213675017U (en) | 2020-09-15 | 2020-09-15 | Middle mold heating plate and mold assembly thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112248317A (en) * | 2020-09-15 | 2021-01-22 | 江西金利隆橡胶履带有限公司 | Middle mold heating plate of rubber track forming equipment and mold assembly thereof |
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2020
- 2020-09-15 CN CN202022013663.0U patent/CN213675017U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112248317A (en) * | 2020-09-15 | 2021-01-22 | 江西金利隆橡胶履带有限公司 | Middle mold heating plate of rubber track forming equipment and mold assembly thereof |
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Address after: 336000 science and Technology Industrial Park, Shanggao County, Yichun City, Jiangxi Province Patentee after: Jiangxi jinlilong rubber crawler Co.,Ltd. Address before: 336400 science and Technology Industrial Park, Shanggao County, Yichun City, Jiangxi Province Patentee before: JIANGXI JINLILONG RUBBER TRACK Co.,Ltd. |
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| CP03 | Change of name, title or address |