CN110065183B - Ring tread segmented mold - Google Patents
Ring tread segmented mold Download PDFInfo
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- CN110065183B CN110065183B CN201910348358.6A CN201910348358A CN110065183B CN 110065183 B CN110065183 B CN 110065183B CN 201910348358 A CN201910348358 A CN 201910348358A CN 110065183 B CN110065183 B CN 110065183B
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- segmented mold
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- guide shaft
- mold
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- 230000009471 action Effects 0.000 claims abstract description 4
- 210000003462 vein Anatomy 0.000 claims description 53
- 230000007246 mechanism Effects 0.000 claims description 24
- 230000001788 irregular Effects 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 8
- 238000004073 vulcanization Methods 0.000 description 7
- 230000001050 lubricating effect Effects 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004513 sizing Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
- B29D30/0606—Vulcanising moulds not integral with vulcanising presses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
- B29D30/0606—Vulcanising moulds not integral with vulcanising presses
- B29D2030/0607—Constructional features of the moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2030/00—Pneumatic or solid tyres or parts thereof
- B29L2030/002—Treads
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
The utility model discloses an annular tread segmented mold which sequentially comprises a guide device, an inner movable device and an outer support device from inside to outside, wherein the lower part of the outer support device is connected with a bottom plate, the guide device is connected with the inner movable device, the guide device can move up and down along the vertical direction, and the inner movable device can move along the radial direction of a horizontal round surface under the action of the guide device; when the whole guiding device moves upwards to the highest position along the vertical direction, the inner movable device can correspondingly close to the center position of the annular tread segmented mold along the horizontal direction, and when the whole guiding device moves downwards to the lowest position along the vertical direction, the inner movable device can move outwards, and the outer supporting device can clamp the inner movable device; the utility model solves the defects that the structure of the prevulcanized segmented mold in the prior art is complex, a plurality of screw bolt structures are needed, the mold is not easy to disassemble, and the mold opening and closing can not be realized at one time by a simple mold, so that the operability is good.
Description
Technical Field
The utility model relates to the technical field of tire pre-vulcanization segmented molds, in particular to an annular tread segmented mold.
Background
At present, along with the high-speed development of economic construction of China, reasonable utilization of energy and resources is more important so as to relieve the contradiction between energy and resource conservation and economic and social development of China, and the energy utilization rate needs to be accelerated and improved, and the circular economy needs to be developed vigorously. At present, the comprehensive utilization of various resources in China has great development potential, for example: the annual output of the tires in China is hundreds of millions, and how to recycle the scrapped tires, not only saves energy, saves cost and reduces waste pollution, but also obtains greater benefits. The existing tire retreading vulcanizing mold has the defects of complex structure, complex vulcanizing and clamping steps, high manufacturing cost and low yield.
Chinese patent CN200920118813.5 discloses a vulcanizing mold for changing the tread of a used tire, in particular to an annular tread vulcanizing mold, which comprises a bottom plate and a cover plate, wherein an upper middle mold, a lower middle mold, a cavity, pattern blocks, a sliding block, guide strips, a mold sleeve with a steam chamber and a steam chamber cover plate are arranged between the bottom plate and the cover plate from inside to outside, the guide strips are arranged between the sliding block and the mold sleeve in a matched manner, a limit chute is arranged on the inclined plane of the guide strip close to the mold sleeve, limit bolts are arranged on the mold sleeve and are propped against the limit chute, the guide strips are in a convex shape and are uniformly arranged on the inner wall of the mold sleeve and correspond to the pattern blocks, the two sides of the guide strips are respectively provided with antifriction plates in a matched manner, an adjusting ring is arranged outside the cover plate, and the steam chamber cover plate is provided with high-pressure steam and high-pressure steam exhaust holes communicated with the steam chamber.
CN201621403114.1 proposes a self-lubricating tire segmented mold, which solves the problems in the prior art that the tire segmented mold reduces friction, uses lubricating oil to affect the quality of the tire and increases production cost. The die comprises a base, an arch seat and an upper cover, wherein the base, the arch seat and the upper cover are arranged on the periphery, a middle sleeve which slides back and forth along the surface of the arch seat is arranged on the outer side surface of the arch seat, an antifriction plate is arranged on one surface of the middle sleeve, which is close to the arch seat, and a lubricating material for lubricating the matching surface of the arch seat is arranged on the antifriction plate; the arc-shaped seat is provided with a T-shaped block for sliding with the upper cover, and the upper cover is provided with an upper cover opening antifriction plate and an upper cover closing antifriction plate which are used for being matched with the T-shaped block; the base is provided with an antifriction plate which forms a sliding surface with the arched seat, and the antifriction plate is also provided with a lubricating material for lubricating the matching surface of the arched seat. The utility model has simple structure, convenient use, no use of any lubricating oil, not only saves the production cost, but also can effectively prolong the service life of the die and the antifriction plate, and has good practicability.
CN201220119915.0 is a hot plate type segmented mold, which relates to a segmented mold, wherein a plurality of lower friction plates (8) are distributed at intervals on the upper part of a base (9) along the periphery of a lower side plate (7), a plurality of pattern blocks (4) are arranged on the upper part of the lower side plate along the periphery of the lower side plate along the circumferential direction, the outer parts of the pattern blocks are fixedly connected with a sliding block (6), the outer parts of the sliding block are fixedly connected with a T-shaped guide block (14), the pattern blocks are in sliding connection with a middle mold sleeve (15) through the sliding block and the T-shaped guide block, and a compression ring (18) is arranged on the upper part of the middle mold sleeve along the periphery of a cover plate (3); the middle die sleeve is of a ring structure, a steam chamber is arranged in the middle of the middle die sleeve ring body, and a steam chamber inlet (22) and a steam chamber outlet (19) are arranged on the outer ring surface of the middle die sleeve in a communicated manner; according to the utility model, the heating medium flows in the steam chamber, so that the heat transfer efficiency is high, the processed tire is high in quality, and the heat insulation cover reduces heat loss and plays a role in heat insulation. However, these molds have the disadvantages that the structure is complex, a plurality of screw bolt structures are needed, the disassembly is not easy, and the mold opening and closing can not be realized at one time by a simple mold.
Disclosure of Invention
In view of the foregoing, it is an object of embodiments of the present utility model to provide an annular tread segmented mold, so as to improve the above-mentioned problems.
In order to achieve the above purpose, the present utility model is realized by the following technical scheme:
an annular tread segmented mold sequentially comprises a guide device, an inner movable device and an outer supporting device from inside to outside, wherein the lower part of the outer supporting device is connected with a bottom plate, the guide device is connected with the inner movable device, the guide device can move up and down along the vertical direction, and the inner movable device can move along the radial direction of a horizontal round surface under the action of the guide device;
when the whole guiding device moves upwards to the highest position along the vertical direction, the inner movable device can correspondingly draw close along the central position of the annular tread segmented mold along the horizontal direction, when the whole guiding device moves downwards to the lowest position along the vertical direction, the inner movable device can move outwards, and the outer supporting device can clamp the inner movable device;
further, the guide device sequentially comprises a guide shaft and a support movably connected with the guide shaft from inside to outside;
preferably, the periphery of the guide shaft is composed of six irregular prisms, the guide shaft is fixed on the end face of the second step, and the surface of the guide shaft further comprises an upper bottom face of the six irregular prisms, a lower bottom face of the guide shaft, an inclined cylindrical face, a sub-side face a, a sub-side face b of each irregular prism and an upper surface of the step shaft in the guide shaft;
preferably, the number of the inclined column surfaces is twelve, grooves are formed in every two inclined column surfaces inwards and are arranged on two sides of the irregular prism, and the inclined column surfaces respectively form an angle of 45 degrees with the central axis direction of the guide shaft;
preferably, the outer side surface of the stepped shaft in the guide shaft is in sliding connection with the support upper surface of the support; the lower surface of the supporting protruding part is in sliding connection with the outer side surface of the inclined column-shaped surface;
further, the guide shaft and the support form a guide rod sliding block mechanism;
further, the number of the supports is six, the supports are connected with the guide shaft in a sliding way, and the supports are connected with the six inner segmented molds in a sliding way respectively;
preferably, when the annular tread segmented mold is in a stamping die state, the support main view surface is in contact fit with the second stepped end surface of the guide shaft in the guide shaft;
further, the side surface of the supporting protruding part of the support is in sliding connection with the middle surface of the inclined column-shaped surface;
further, the inclined column-shaped surface is in sliding connection with the support, the support is similar to a T-shaped body, the support main view surface of the support is of a T shape, the included angle between the support upper surface and the horizontal plane is minus 45 degrees, the included angle between the support protrusion lower surface and the horizontal plane is 45 degrees, the side surface of the support protrusion is vertical to the support upper surface and the support protrusion lower surface, and the support protrusion lower surface is vertical to the support vertical surface;
further, when the annular tread segmented mold is in a closed state, the support rearview surface of the support moves upwards to be aligned with the upper surface of the guide shaft;
further, the inner movable device comprises an inner segmented mold which is movably connected with the support inwards; when the guiding device moves downwards to the lowest position, the circular arc end surface of the outer circumference of the inner segmented mold is in surface contact with the outer segmented mold b in the outer supporting device, and the inner segmented mold is clamped with the outer segmented mold b;
further, when the guiding device moves downwards to the lowest position, the inner segmented mold can be clamped with the inner stepped end surface of the outer segmented mold in the outer segmented mold b and the inner circumferential surface II of the outer segmented mold through the stepped end surface of the inner segmented mold and the clamping surface of the inner segmented mold;
further, when the guide device moves downwards to the lowest position, the inner circumferential surface I of the outer segmented mold can be contacted with the outer circumferential surface of the inner segmented mold.
Preferably, the inner circumferential surface I of the outer movable winding die is provided with tire patterns;
further, the annular tread segmented mold sequentially comprises six guide shafts, a support, an inner segmented mold, an outer segmented mold a and outer guide shafts from inside to outside, wherein the six outer guide shafts are respectively arranged at the upper parts of the horizontal planes of six extension parts of the bottom plate, the outer guide shafts are movably connected with the outer segmented mold a, the outer segmented mold a is movably connected with the outer lateral surface of the outer segmented mold b along the outer curved surface circular direction and fixedly connected with the outer segmented mold along the vertical direction, the six inner segmented molds are fixedly connected with the outer circumferential arc end surfaces of the inner segmented mold and the inner lateral surface of the outer segmented mold b along the inner curved surface circular direction and fixedly connected with the outer segmented mold b along the vertical direction, and the six bolts are respectively fixedly connected with the six outer segmented molds b;
further, a guide shaft of the annular tread segmented mold is connected with a control system, and the outer segmented mold b is connected with a temperature control pressure system;
further, the outer movable vein mould b of the annular tread movable vein mould is provided with various sensors, including but not limited to a pressure sensor and a temperature sensor.
Further, when the outer movable vein mould a and the outer guide shaft are matched, the lower end surface of the outer movable vein mould b is contacted with the bottom plate;
further, the inner surface of the inner segmented mold comprises an inner side plane, an arc surface a, an arc surface b and a step side surface of the inner segmented mold.
Preferably, the inner surface of the outer movable vein mould a is in clamping connection with the outer surface I of the outer movable vein mould b, the outer surface II of the outer movable vein mould b, the outer surface III of the outer movable vein mould b, the outer surface IV of the outer movable vein mould b and the middle part of the outer surface of the outer movable vein mould b;
further, when the outer segmented mold a and the outer segmented mold b are assembled, the side surface of the outer segmented mold a is flush with two ends of the middle part of the outer surface of the outer segmented mold b; the upper surface of the outer segmented mold a clamps the upper surface of the outer segmented mold b;
further, the outer surface I of the buckle of the outer movable vein mould b is an inner inclined surface;
furthermore, two ends of the outer movable vein mould b are provided with a locking mechanism I and a locking mechanism II, wherein the locking mechanism I is of a convex structure, and the locking mechanism II is of a concave structure; the two adjacent outer movable vein patterns b can be fixed in the circumferential direction through a locking mechanism I and a locking mechanism II;
further, when the annular tread segmented mold is in a closed state, the outer circumferential arc end surface of the inner segmented mold is in contact fit with the inner circumferential arc end surface of the outer segmented mold b;
further, the guide shaft is connected with the inner segmented mold in a sliding manner along the vertical direction through a support;
further, the lower surface of the support is in sliding connection with the surface of the inner cavity of the inner segmented mold;
further, the inner cavity surface of the inner segmented mold is closed while being opened;
further, the sub-side surface c and the sub-side surface d are respectively connected with the inner side surface I of the inner segmented mold in a sliding manner along the vertical direction;
further, the outer supporting device sequentially comprises an outer segmented mold b, an outer movable vein mold a and an outer guide shaft from inside to outside;
further, the number of the outer segmented dies a is six, and the outer guide shafts are movably connected with the outer segmented dies a;
furthermore, the outer side of the outer movable vein mould a is provided with an inclined T-shaped part, and the inclined T-shaped part is in sliding connection with an inclined T-shaped space formed by gaps of a middle surface I, a middle surface II, a middle surface III and a middle surface IV of the outer guide shaft;
further, the inclined contact surface of the outer guide shaft is movably connected with the outer side surface I of the outer movable vein mould a, the outer side surface II of the outer movable vein mould a and the outer side surface III of the outer movable vein mould a;
further, an outer guide shaft in the outer supporting device is connected with the bottom plate at the lower part;
further, the lower surface of the guide shaft is a regular hexagon, and the regular hexagon surface is circumscribed on the middle through hole of the bottom plate, so that the regular hexagon surface passes through the middle through hole of the bottom plate;
preferably, an outer guide shaft in the outer support device is fixedly connected with the bottom plate at the lower part;
further, an outer guide shaft in the outer supporting device is fixedly connected with the bottom plate at the lower part through a lower bottom post;
as a second preferred embodiment of the present utility model, the outer guide shaft in the outer support device is slidingly connected to the bottom plate at the lower part thereof by the lower circumference of the lower bottom post;
as a third preferred embodiment of the present utility model, the outer guide shaft is slidably connected to the bottom plate in a vertical direction at a lower portion thereof for easy installation and removal, and the outer guide shaft is movable up and down in the vertical direction of the bottom plate;
further, six holes are formed in the periphery of the bottom plate and matched with the outer guide shaft, the inner peripheral faces of the six holes are of clamping structures, and when the outer guide shaft can move up and down in the vertical direction of the bottom plate, the clamping structures can fix the outer guide shaft along the vertical direction of the bottom plate;
further, the number of the outer segmented molds b is six, the upper parts of the outer segmented molds b are provided with connecting ports, and bolts are inserted into the connecting ports to fixedly connect the two adjacent outer segmented molds b;
preferably, the locking mechanism iii at the upper part of the outer movable vein die b is provided with a connection port, and the connection port is in a circular shape along the horizontal plane direction, and the plug pin is inserted into the connection port.
Preferably, for better clamping six outer movable vein mould b, locking mechanism III on outer movable vein mould b upper portion is provided with the connection port, the connection port is along vertical face direction, and the bolt is rectangular, inserts the connection port, outer movable vein mould b's side plane is provided with vertical passageway, and on the same straight line with the vertical passageway of the connection port that locking mechanism III set up, the bolt inserts vertical passageway, also has the opening along the horizontal plane direction, and the both sides are fixed the bolt with ring form pin.
Preferably, when the whole guide device moves upwards to the highest position along the vertical direction, namely a cavity is formed, and when sizing materials are filled in, the outer circular arc end face (namely the outer convex face of the inner segmented mold) in the middle Kong Kajin of the upper sealing cover A is clamped by the outer segmented mold b; the horizontal plane of the upper sealing cover A can be in contact fit with the stepped end surface of the inner segmented mold to form a space.
Furthermore, it should be noted that, the inner stepped end surface of the outer movable vein mould in the outer movable vein mould b, the inner circumferential surface ii of the outer movable vein mould may be in an up-down symmetrical structure, so that an upper sealing cover a with the same size may be added at the lower part as a lower bottom plate, and the upper bottom plate, the lower bottom plate and the inner circumferential surface i of the outer movable vein mould form an annular cavity, thereby satisfying the molding of an annular tread instead of a stepped annular surface.
The technical scheme of the utility model has at least the following advantages and beneficial effects:
1. according to the utility model, through the inclined T-shaped support, when the inclined T-shaped support moves to the lowest and highest positions along a space channel formed by the guide shaft, the inner segmented mold and the outer support device can respectively form a stamping die space and a mutual contact state;
2. the device is easy to disassemble, and the working process of the annular tread segmented mold is realized by utilizing the geometric relationship and the T-shaped support;
3. according to the utility model, the guide shaft is moved, so that the T-shaped support moves along the groove, and the opening and closing of the molding cavity of the annular tread segmented mold is controlled, so that the rubber material enters the next pre-vulcanization process;
4. according to the utility model, the vertical movement of the guide shaft is changed into the circumferential horizontal movement of the inner segmented mold through the T-shaped support, and fastening components such as limit bolts and the like are not needed, so that the structure is simple, and the operation is easy;
5. according to the utility model, through the movable connection relation among the components, fastening components such as bolts, screw nuts, positioning pieces and the like are reduced as much as possible, the detachability is improved, the interchangeability is high, and the components can be cast and can be used for large-scale industrial production.
6. According to the utility model, the annular end surface of the upper sealing cover A is in surface contact fit with the stepped end surface of the inner segmented mold to form a space, the T-shaped support of the upper sealing cover A moves the inner segmented mold to the center, so that the circumferential radial direction of the annular segmented mold cavity is changed, the thickness of the annular tread is changed, and the annular pre-vulcanized tread with different thicknesses is manufactured.
Drawings
FIG. 1 is a perspective view of an overall oblique two-dimensional measurement in accordance with a preferred embodiment of the present utility model;
FIG. 2 is a perspective view of a bottom surface of an oblique two-sided measurement in accordance with a preferred embodiment of the present utility model;
FIG. 3 is a diagram of the support structure in a preferred embodiment of the present utility model;
FIG. 4 is a block diagram of a guide shaft in accordance with a preferred embodiment of the present utility model;
FIG. 5 is a bottom plate diagram of a preferred embodiment of the present utility model;
FIG. 6 is a three-dimensional view of an inner segmented mold in accordance with a preferred embodiment of the present utility model;
FIG. 7 is a three-dimensional view of an outer guide shaft in accordance with a preferred embodiment of the present utility model;
FIG. 8 is a top three-dimensional view of an outer segmented mold b in accordance with a preferred embodiment of the present utility model;
FIG. 9 is a top three-dimensional view of an outer segmented mold b in accordance with another preferred embodiment of the present utility model;
FIG. 10 is a three-dimensional view of an outer segmented mold b from the inside to the outside in a preferred embodiment of the present utility model;
FIG. 11 is a three-dimensional view of an outer segmented mold a in accordance with a preferred embodiment of the present utility model;
FIG. 12 is a three-dimensional view of an upper closure A in accordance with a preferred embodiment of the present utility model;
wherein, the spare part names that the reference numerals correspond to are as follows:
1-support, 2-inner segmented mold, 3-plug, 4-outer segmented mold a, 5-outer guide shaft, 6-bottom plate, 7-guide shaft, 8-outer segmented mold b, 9-control system, 10-temperature-control pressure system, 11-support upper surface, 12-support protrusion side, 13-support vertical surface, 14-support main viewing surface, 15-support protrusion lower surface, 16-support lower surface, 17-support rear viewing surface, 21-inner segmented mold engagement surface, 22-inner segmented mold step end surface, 231-inner side plane, 232-circular arc surface a, 233-circular arc surface b, 234-inner segmented mold step side, 24-inner segmented mold inner side surface I, 25-inner segmented mold inner cavity surface, 41-diagonal "T" wedge-shaped member, 421-outer die a outer side I, 422-outer die a outer side II, 423-outer die a outer side III, 43-outer die a side surface, 44-outer die inner surface, outer die a inner surface, 45-outer die a upper surface, 51-outer guide shaft oblique contact surface, 521-intermediate surface I, 522-intermediate surface II, 523-intermediate surface III, 524-intermediate surface IV, 53-lower base post, 71-oblique cylindrical surface, 711-oblique cylindrical surface outer side, 712-oblique cylindrical surface intermediate surface, 721-split side a, 722-split side b, 723-split side c, 724-split side d, 73-guide shaft inner stepped shaft upper surface, 74-guide shaft inner stepped shaft outer side surface, 75-guide shaft second step end face, 811-locking mechanism I, 812-locking mechanism II, 813-locking mechanism III, 821-outer segmented mold b buckle outer surface I, 822-outer segmented mold b buckle outer surface II, 823-outer segmented mold b buckle outer surface III, 824-outer segmented mold b buckle outer surface IV, 83-outer segmented mold b outer surface middle portion, 841-outer segmented mold inner circumferential surface II, 842-outer segmented mold inner step end face, 843-outer segmented mold inner circumferential surface I, 85-outer segmented mold b lower end face, A-upper seal cover.
Detailed Description
The utility model is described below with reference to the drawings and specific embodiments.
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model.
Thus, the following detailed description of the embodiments of the utility model is not intended to limit the scope of the utility model, as claimed, but is merely representative of some embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "back", and the like indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the product of the present utility model is conventionally placed when used. Such terminology is used for convenience in describing the utility model and is not to be taken as an indication or suggestion that the device or element in question must have a particular orientation, be constructed and operated in a particular orientation and therefore should not be construed as limiting the utility model.
It should also be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.
As shown in fig. 1-12, the annular tread segmented mold sequentially comprises a guide device, an inner movable device and an outer support device from inside to outside, wherein the lower part of the outer support device is connected with a bottom plate 6, the guide device is connected with the inner movable device, the guide device can move up and down along the vertical direction, and the inner movable device can move along the radial direction of a horizontal round surface under the action of the guide device;
when the whole guiding device moves upwards to the highest position along the vertical direction, the inner movable device can correspondingly draw close along the central position of the annular tread segmented mold along the horizontal direction, when the whole guiding device moves downwards to the lowest position along the vertical direction, the inner movable device can move outwards, and the outer supporting device can clamp the inner movable device;
further, the guiding device sequentially comprises a guiding shaft 7 and a support 1 movably connected with the guiding shaft 7 from inside to outside;
as a preferred embodiment of the present utility model, the outer periphery of the guide shaft 7 is composed of six irregular prisms with the guide shaft fixed on the second stepped end face 75, and the surface of the guide shaft 7 further comprises an upper bottom surface of the six irregular prisms, a lower bottom surface of the guide shaft 7, an inclined cylindrical surface 71, a sub-side surface a 721, a sub-side surface b 722 of each irregular prism, and an upper stepped shaft surface 73 in the guide shaft;
as a preferred embodiment of the present utility model, twelve inclined cylindrical surfaces 71 are provided, each two inclined cylindrical surfaces 71 form a groove inwards, and are arranged at two sides of the irregular prism, and the inclined cylindrical surfaces 71 respectively form an angle of 45 degrees with the central axis direction of the guide shaft 7;
as a preferred embodiment of the utility model, the outer side surface 74 of the stepped shaft in the guide shaft is slidingly connected to the support upper surface 11 of the support 1; the lower surface 15 of the supporting protruding part is in sliding connection with the outer side 711 of the inclined column surface;
further, the guide shaft 7 and the support 1 form a guide rod sliding block mechanism;
further, the number of the supports 1 is six, the supports are connected with the guide shaft 7 in a sliding way, and the supports are connected with the six inner segmented molds 2 in a sliding way respectively;
as a preferred embodiment of the present utility model, when the annular tread segmented mold is in a die state, the support main viewing surface 14 is in contact engagement with the guide shaft second stepped end surface 75 in the guide shaft 7;
further, the support protrusion side 12 of the support 1 is slidably connected to the inclined cylindrical surface middle surface 712;
further, the inclined cylindrical surface 71 is slidably connected with the support 1, the support 1 is a T-shaped body, the support main viewing surface 14 of the support 1 is T-shaped, the included angle between the support upper surface 11 and the horizontal plane is minus 45 degrees, the included angle between the support protrusion lower surface 15 and the horizontal plane is 45 degrees, the support protrusion side 12 is perpendicular to the support upper surface 11 and the support protrusion lower surface 15, and the support protrusion lower surface 15 is perpendicular to the support vertical surface 13;
further, when the annular tread segmented mold is in a closed state, the support rear viewing surface 17 of the support 1 is moved upward to be aligned with the upper surface of the guide shaft 7;
further, the inner movable device comprises an inner segmented mold 2, and the inner segmented mold 2 is movably connected with the support 1 inwards; when the guiding device moves downwards to the lowest position, the circular arc end surface of the periphery of the inner segmented mold 2 is in surface contact with the outer segmented mold b 8 in the outer supporting device, and the inner segmented mold 2 is clamped with the outer segmented mold b 8;
further, when the guiding device moves downwards to the lowest position, the inner segmented mold 2 can be clamped with the inner stepped end surface 842 of the outer segmented mold and the inner circumferential surface II 841 of the outer segmented mold in the outer segmented mold b 8 through the inner segmented mold stepped end surface 22 and the inner segmented mold clamping surface 21;
further, the inner circumferential surface I843 of the outer segmented mold can contact with the outer circumferential surface of the inner segmented mold 2 when the guide is moved downward to the lowest position.
As a preferred embodiment of the present utility model, the inner circumferential surface i 843 of the outer movable winding die is provided with a tire pattern;
further, the annular tread segmented mold sequentially comprises six guide shafts 7, a support 1, an inner segmented mold 2, an outer segmented mold a 4 and outer guide shafts 5 from inside to outside, wherein the six outer guide shafts 5 are respectively arranged at the upper parts of the horizontal planes of six extension parts of a bottom plate 6, the outer guide shafts 5 are movably connected with the outer segmented mold a 4, the outer segmented mold a 4 is movably connected with the outer side surface of an outer segmented mold b 8 along the outer curved surface circular direction and fixedly connected with the outer segmented mold b 8 along the vertical direction, the six inner segmented molds 2 are movably connected with the outer circular arc end surface of the outer circumference of the inner segmented mold 2 along the inner curved surface circular direction and fixedly connected with the inner side surface of the outer segmented mold b 8 along the vertical direction, and the six bolts 3 are respectively fixedly connected with the six outer segmented molds b 8;
further, the guide shaft 7 of the annular tread segmented mold is connected with a control system 9, and the outer segmented mold b 8 is connected with a temperature control pressure system 10;
further, the outer movable vein mould b 8 of the annular tread movable vein mould is provided with various sensors, including but not limited to a pressure sensor and a temperature sensor.
Further, when the outer segmented mold a 4 and the outer guide shaft 5 are matched, the lower end surface 85 of the outer segmented mold b 8 is contacted with the bottom plate 6;
further, the inner surface of the inner segmented mold 2 comprises an inner plane 231, an arc surface a232, an arc surface b233 and an inner segmented mold step side 234.
As a preferred embodiment of the present utility model, the inner surface 44 of the outer movable vein pattern a is in snap connection with the outer movable vein pattern b fastening outer surface i 821, the outer movable vein pattern b fastening outer surface ii 822, the outer movable vein pattern b fastening outer surface iii 823, the outer movable vein pattern b fastening outer surface IV 824, and the outer movable vein pattern b outer surface middle portion 83;
further, when the outer segmented mold a 4 is assembled with the outer segmented mold b 8, the side surface 43 of the outer segmented mold a is flush with two ends of the middle part of the outer surface of the outer segmented mold b 8; the upper surface 45 of the outer segmented mold a clamps the upper surface of the outer segmented mold b 8;
further, the outer surface I821 of the outer movable vein mould b is an inner inclined surface;
furthermore, two ends of the outer movable winding die b 8 are provided with a locking mechanism I811 and a locking mechanism II 812, the locking mechanism I811 is of a protruding structure, and the locking mechanism II 812 is of a recessed structure; two adjacent outer movable complex dies b 8 can be fixed in the circumferential direction through a locking mechanism I811 and a locking mechanism II 812;
further, when the annular tread segmented mold is in a closed state, the outer circumferential arc end surface of the inner segmented mold 2 is in contact fit with the inner circumferential arc end surface of the outer segmented mold b 8;
further, the guide shaft 7 is in sliding connection with the inner segmented mold 2 along the vertical direction through the support 1;
further, the support lower surface 16 is slidably coupled to the inner segmented mold cavity surface 25;
further, the inner cavity surface 25 of the inner segmented mold is closed while being opened;
further, the sub-side surface c 723 and the sub-side surface d 724 are respectively connected with the inner side surface I24 of the inner segmented mold in a sliding way along the vertical direction;
further, the outer supporting device sequentially comprises an outer segmented mold b 8, an outer segmented mold a 4 and an outer guide shaft 5 from inside to outside;
further, the number of the outer segmented molds a 4 is six, and the outer guide shaft 5 is movably connected with the outer segmented molds a 4;
further, the outer side of the outer segmented mold a 4 is provided with an inclined T-shaped part 41, and the inclined T-shaped part 41 is in sliding connection with an inclined T-shaped space formed by gaps of a middle surface I521, a middle surface II 522, a middle surface III 523 and a middle surface IV524 of the outer guide shaft 5;
further, the oblique contact surface 51 of the outer guide shaft is movably connected with the outer side surface i 421 of the outer movable vein pattern a, the outer side surface ii 422 of the outer movable vein pattern a, and the outer side surface iii 423 of the outer movable vein pattern a;
further, an outer guide shaft 5 in the outer support means is connected to the bottom plate 6 at a lower portion;
further, the lower surface of the guide shaft 7 is a regular hexagon, and the regular hexagon surface is circumscribed on the middle through hole of the bottom plate 6, so that the regular hexagon surface passes through the middle through hole of the bottom plate 6;
as a preferred embodiment of the present utility model, the outer guide shaft 5 in the outer support means is fixedly connected to the bottom plate 6 at a lower portion;
further, the outer guide shaft 5 in the outer support device is fixedly connected with the bottom plate 6 at the lower part through the lower bottom post 53;
as a second preferred embodiment of the present utility model, the outer guide shaft 5 of the outer support means is slidably connected to the bottom plate 6 at the lower portion thereof by the lower circumference of the lower bottom post 53;
as a third preferred embodiment of the present utility model, for easy installation and removal, the outer guide shaft 5 is slidably connected to the bottom plate 6 in a vertical direction at a lower portion, and the outer guide shaft 5 can move up and down in the vertical direction of the bottom plate 6;
further, six holes are formed in the periphery of the bottom plate 6 and matched with the outer guide shaft 5, the inner peripheral surfaces of the six holes are of a clamping structure, and when the outer guide shaft 5 can move up and down in the vertical direction of the bottom plate 6, the clamping structure can fix the outer guide shaft 5 along the vertical direction of the bottom plate;
further, the number of the outer movable vein patterns b 8 is six, a connecting port is arranged at the upper part of the outer movable vein patterns b 8, and the bolt 3 is inserted into the connecting port to fixedly connect the adjacent two outer movable vein patterns b 8;
as shown in fig. 8, as a preferred embodiment of the present utility model, the locking mechanism iii 813 at the upper part of the outer movable mold b 8 is provided with a connection port, and the connection port is formed in a circular shape along the horizontal plane, and the latch 3 is inserted into the connection port.
As shown in fig. 9, as another preferred embodiment of the present utility model, for better clamping six outer movable vein patterns b 8, a locking mechanism iii 813 at the upper part of the outer movable vein patterns b 8 is provided with a connection port, the connection port is in a long shape along the vertical plane direction, a bolt 3 is inserted into the connection port, a side plane of the outer movable vein patterns b 8 is provided with a vertical channel on the same line with the vertical channel of the connection port provided above the locking mechanism iii 813, the bolt 3 is inserted into the vertical channel, an opening is also provided along the horizontal plane direction, and both sides of the bolt 3 are fixed by circular pins.
As shown in fig. 12, when the whole guiding device moves upwards to the highest position along the vertical direction, namely a cavity is formed, and when sizing material is filled in, the outer circular arc end surface (namely the outer convex surface of the inner segmented mold 2) in the middle Kong Kajin of the upper sealing cover a is positioned at the middle of the inner segmented mold 2, and the outer segmented mold b 8 clamps the outer circumference of the upper sealing cover a; the horizontal plane of the upper sealing cover A can be in surface contact fit with the stepped end surface 22 of the inner segmented mold to form a space.
Further, it should be noted that, as another preferred embodiment of the present utility model, the inner stepped end surface 842 of the outer movable mold b 8 and the inner circumferential surface ii 841 of the outer movable mold may have a vertically symmetrical structure, so that the upper cover a with the same size may be added at the lower portion, and the lower bottom plate, the upper bottom plate and the inner circumferential surface i 843 of the outer movable mold may be used as a lower bottom plate to form an annular cavity, so as to satisfy the molding of the annular tread, instead of the stepped annular surface.
As shown in fig. 1 to 12, as a preferred embodiment of the present utility model, the process flow of the present utility model is as follows:
(1) The outer movable vein mould b 8, the outer movable vein mould a 4 and the outer guide shaft 5 of the outer supporting device are in a fixed state, and the outer movable vein mould b 8 forms an outer movable vein of the tyre;
(2) The control system connected with the guide shaft 7 controls the guide shaft 7 to move upwards, when the support 1 moves to the lowest end, namely the guide shaft 7 moves to the highest point, the horizontal plane of the upper sealing cover A is in surface contact fit with the stepped end face 22 of the inner segmented mold, glue is injected into the space between the outer circular arc end face in the middle of the inner segmented mold 2 and the outer movable vein mold b 8 by using a glue injection machine, and when the set die quantity is reached, glue injection is stopped;
(3) The rubber material injected into the mold cavity is presulfided by utilizing a vulcanization heating device in a temperature control pressure system 10 connected with the annular tread segmented mold, and the mold is opened after presulfiding time is reached under certain temperature and pressure conditions, and the presulfided tread is taken out;
(4) Placing the pre-vulcanized tread on the polished tire tread, and performing a secondary vulcanization process to finally form the pre-vulcanized reinforced tire;
as another preferred embodiment of the present utility model, the process flow is as follows:
(1) The control system connected with the guide shaft 7 controls the guide shaft 7 to move upwards, when the support 1 moves to the lowest end, namely the guide shaft 7 moves to the highest point, the adhesive tape is wound on the outer surface of the inner segmented mold 2 through a winding device, the corresponding thickness is reached, the stamping die is realized, and the adhesive injection is stopped;
(2) Fixing an outer movable vein mould b 8, an outer movable vein mould a 4 and an outer guide shaft 5 of the outer supporting device to form an outer pre-vulcanization circumference, and moving an upper sealing cover A to seal and compact upper sizing materials;
(3) The rubber material injected into the mold cavity is presulfided by utilizing a vulcanization heating device in a temperature control pressure system 10 connected with the annular tread segmented mold, and the mold is opened after presulfiding time is reached under certain temperature and pressure conditions, and the presulfided tread is taken out;
(4) Placing the pre-vulcanized tread on the polished tire tread, and performing a secondary vulcanization process to finally form the vulcanized retreaded reinforced tire;
the above embodiments are merely for illustrating the technical scheme of the present utility model and not for limiting the same. Any modification or partial replacement without departing from the spirit of the utility model shall be covered by the scope of the claims of the present utility model.
Claims (1)
1. An annular tread segmented mold, characterized in that: the annular tread segmented mold sequentially comprises a guide device, an inner movable device and an outer support device from inside to outside, wherein the lower part of the outer support device is connected with a bottom plate (6), the guide device is connected with the inner movable device, the guide device can move up and down along the vertical direction, and the inner movable device can move along the radial direction of a horizontal circular surface under the action of the guide device; when the whole guiding device moves upwards to the highest position along the vertical direction, the inner movable device can correspondingly draw close along the central position of the annular tread segmented mold along the horizontal direction, and when the whole guiding device moves downwards to the lowest position along the vertical direction, the inner movable device can move outwards, and the outer supporting device can clamp the inner movable device;
the guide device sequentially comprises a guide shaft (7) and a support (1) movably connected with the guide shaft (7) from inside to outside; the periphery of the guide shaft (7) is composed of six irregular prisms, the guide shaft is fixed on the second step end face (75), the surface of the guide shaft (7) further comprises an upper bottom surface of the six irregular prisms, a lower bottom surface of the guide shaft (7), an inclined cylindrical surface (71), a sub-side surface a (721), a sub-side surface b (722) of each irregular prism and an upper surface (73) of a stepped shaft in the guide shaft;
twelve inclined cylindrical surfaces (71) are arranged, grooves are formed in every two inclined cylindrical surfaces (71) inwards and are arranged on two sides of an irregular prism, and the inclined cylindrical surfaces (71) form 45-degree angles with the central axis direction of the guide shaft 7 respectively; the outer side surface (74) of the stepped shaft in the guide shaft is in sliding connection with the support upper surface (11) of the support (1); the lower surface (15) of the supporting protruding part is in sliding connection with the outer side surface (711) of the inclined column surface;
the guide shaft (7) and the support (1) form a guide rod sliding block mechanism; the six supports are connected with the guide shaft (7) in a sliding way, and are connected with the six inner segmented molds (2) in a sliding way respectively; when the annular tread segmented mold (1) is in a stamping die state, the supporting main viewing surface (14) is in contact fit with a guide shaft second step end surface (75) in the guide shaft (7); the side surface (12) of the supporting protruding part of the support (1) is in sliding connection with the middle surface (712) of the inclined column surface; the inclined column-shaped surface (71) is in sliding connection with the support (1), the support (1) is in a T-shaped like body, a support main viewing surface (14) of the support (1) is in a T shape, an included angle between the support upper surface (11) and the horizontal plane is minus 45 degrees, an included angle between the support protrusion lower surface (15) and the horizontal plane is 45 degrees, the side surface (12) of the support protrusion is perpendicular to the support upper surface (11) and the support protrusion lower surface (15), and the support protrusion lower surface (15) is perpendicular to the support vertical surface (13); when the annular tread segmented mold is in a closed state, a support rearview surface (17) of the support (1) moves upwards to be aligned with the upper surface of the guide shaft (7);
the inner movable device comprises an inner segmented mold (2), and the inner segmented mold (2) is movably connected with the support (1) inwards; when the guiding device moves downwards to the lowest position, the peripheral arc end surface of the inner segmented mold (2) is in surface contact with the outer segmented mold b (8) in the outer supporting device, and the inner segmented mold (2) is clamped with the outer segmented mold b (8);
when the guiding device moves downwards to the lowest position, the inner segmented mold (2) can be clamped with the inner stepped end surface (842) of the outer segmented mold and the inner circumferential surface II (841) of the outer segmented mold in the outer segmented mold b (8) through the inner segmented mold stepped end surface (22) and the inner segmented mold clamping surface (21);
when the guiding device moves downwards to the lowest position, the inner circumferential surface I (843) of the outer segmented mold can be contacted with the outer circumferential surface of the inner segmented mold (2); the inner circumferential surface I (843) of the outer movable complex die is provided with tire patterns;
the annular tread segmented mold sequentially comprises guide shafts (7), supports (1), inner segmented molds (2), outer segmented molds a (4) and outer guide shafts (5) from inside to outside, wherein the number of the outer guide shafts (5) is six, the six outer segmented molds are respectively arranged at the upper parts of the horizontal planes of six extension parts of a bottom plate (6), the outer guide shafts (5) are movably connected with the outer segmented molds a (4), the outer segmented molds a (4) are movably connected with the outer side surfaces of the outer segmented molds b (8) along the circular direction of an outer curved surface and are fixedly connected in the vertical direction, the six inner segmented molds (2) are movably connected with the inner side surfaces of the outer segmented molds b (8) along the circular direction of the inner curved surface and are fixedly connected in the vertical direction, and bolts (3) are respectively fixedly connected with the six outer segmented molds b (8); the guide shaft (7) of the annular tread segmented mold is connected with a control system (9), and the outer segmented mold b (8) is connected with a temperature control pressure system (10); and a sensor is arranged on the outer movable vein mould b (8) of the annular tread movable vein mould.
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| CN201910348358.6A CN110065183B (en) | 2019-04-28 | 2019-04-28 | Ring tread segmented mold |
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|---|---|---|---|
| CN201910348358.6A CN110065183B (en) | 2019-04-28 | 2019-04-28 | Ring tread segmented mold |
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| CN110065183B true CN110065183B (en) | 2024-01-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111873271B (en) * | 2020-07-29 | 2023-10-31 | 青岛科技大学 | Design method of annular segmented tread extrusion integrated equipment based on TRIZ |
| CN112248309B (en) * | 2020-10-13 | 2022-11-29 | 山东省三利轮胎制造有限公司 | Tire mold pattern block assembling and correcting device |
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