CN114055822A - Pressurization clamping mechanism and hydraulic vulcanizing machine - Google Patents
Pressurization clamping mechanism and hydraulic vulcanizing machine Download PDFInfo
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- CN114055822A CN114055822A CN202111493517.5A CN202111493517A CN114055822A CN 114055822 A CN114055822 A CN 114055822A CN 202111493517 A CN202111493517 A CN 202111493517A CN 114055822 A CN114055822 A CN 114055822A
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- Prior art keywords
- pull rod
- supporting plate
- mold
- rod
- die
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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
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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
- B29C33/20—Opening, closing or clamping
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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
- B29C33/20—Opening, closing or clamping
- B29C33/22—Opening, closing or clamping by rectilinear movement
- B29C33/24—Opening, closing or clamping by rectilinear movement using hydraulic or pneumatic means
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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
- B29D30/0603—Loading or unloading the presses
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- 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
Abstract
The invention relates to the technical field of tire production, and discloses a pressurizing and mold-locking mechanism and a hydraulic vulcanizing machine. The pressurizing mold locking mechanism comprises a pressurizing mold adjusting component, a pull rod component and a mold locking component, the pressurizing mold adjusting component comprises a pressurizing mold adjusting oil cylinder fixedly mounted on an upper supporting plate, a piston rod of the pressurizing mold adjusting oil cylinder penetrates through the upper supporting plate to extend downwards, the pull rod component comprises an upper pull rod and a lower pull rod which are connected in a rotatable and detachable mode, the upper pull rod is fixedly connected with the piston rod, the lower pull rod penetrates through the lower supporting plate and is rotatably connected with the lower supporting plate, a multi-stage mold adjusting structure is arranged between the upper pull rod and the lower pull rod, and the mold locking component is mounted on the lower supporting plate and used for driving the lower pull rod to rotate. The combined die adjusting mode of the coarse die adjusting mode of the multistage die adjusting structure and the fine die adjusting mode of the pressurizing die adjusting oil cylinder meets the die adjusting requirements of different dies, reduces the complexity of the whole pressurizing die locking mechanism, and enables the whole pressurizing die locking mechanism to be small in size, light in weight and high in working efficiency.
Description
Technical Field
The invention relates to the technical field of tire production, in particular to a pressurizing and mold-locking mechanism and a hydraulic vulcanizing machine.
Background
The mold locking structure of the existing tire vulcanizer comprises the following three types:
the side plate bolt mode locking structure is used for realizing mode locking by inserting a bolt into a side plate hole;
the locking ring mode locking structure is characterized in that the top of an upper locking ring seat is fixed on an upper supporting plate, a lower seat plate is fixed on a base, a locking ring is arranged on the lower seat plate, the locking ring and the upper locking ring seat are provided with mutually matched locking teeth, but the two mode locking structures cannot adapt to die structures with different heights;
stand cardboard mode locking structure indicates to be equipped with the multichannel annular on the stand of mode locking position, during the mode locking with the annular groove of cardboard card on the stand, can adapt to not co-altitude mould structure, but in order to ensure that the mode locking is reliable, promote the mode locking power, the annular groove is darker usually, so the stand is comparatively thick for whole vulcanizer is bulky and heavy.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a pressing and clamping mechanism, which is small in size, light in weight, and high in working efficiency.
In view of the above problems, another object of the present invention is to provide a hydraulic vulcanizer, which is simple in structure, convenient in operation, low in cost, and capable of being adaptively adjusted according to molds of different heights.
In order to achieve the purpose, the invention adopts the following technical scheme:
a pressure clamping mechanism for fixing an upper supporting plate and a lower supporting plate during vulcanization operation of a hydraulic vulcanizing machine, comprising:
the pressurizing and die-adjusting assembly comprises a pressurizing and die-adjusting oil cylinder fixedly arranged on the upper supporting plate, and a piston rod of the pressurizing and die-adjusting oil cylinder penetrates through the upper supporting plate and extends downwards;
the pull rod assembly comprises an upper pull rod and a lower pull rod which are connected in a rotatable and detachable mode, the upper pull rod is fixedly connected with the piston rod, the lower pull rod penetrates through the lower supporting plate and is connected with the lower supporting plate in a rotatable mode, and a multi-stage die adjusting structure is arranged between the upper pull rod and the lower pull rod;
and the mold locking component is arranged on the lower supporting plate and used for driving the lower pull rod to rotate.
As an alternative of the pressure clamping mechanism of the present invention, one of the upper tie rod and the lower tie rod has a plurality of protrusions uniformly distributed in the circumferential direction at the end thereof, and the other has a plurality of grooves uniformly distributed in the circumferential direction at the end thereof, the number of the protrusions being equal to the number of the grooves, and the upper tie rod and the lower tie rod are rotatably detachably connected by the protrusions and the grooves.
As an alternative of the pressurizing and mold-locking mechanism of the present invention, the multistage mold adjusting structure includes: the plurality of bulges which are uniformly distributed in the circumferential direction are provided with a plurality of layers along the axial direction of the pull rod assembly; and/or a plurality of groups of grooves which are uniformly distributed in the circumferential direction and have the same number with the protrusions are arranged along the axial direction of the pull rod assembly.
As an alternative of the pressurizing and mold-locking mechanism of the present invention, the upper tie rod is threadedly connected to the piston rod.
As an alternative of the pressurized mold locking mechanism of the present invention, the mold locking assembly comprises a mold locking driving device, a mold locking driving rod and a mold locking disk, which are connected in sequence, the mold locking disk is fixedly connected with the lower link, and the mold locking driving device drives the lower link to rotate through the mold locking driving rod and the mold locking disk.
As an alternative of the pressurizing and mold-locking mechanism of the present invention, the upper supporting plate is provided with a guide hole, and one end of the upper pull rod, which is far away from the lower pull rod, is movably arranged in the guide hole.
As an alternative of the pressurizing and mold-locking mechanism of the present invention, a guide key is provided on a hole wall of the guide hole, a guide groove extending along an axial direction of the upper tie rod is provided on the upper tie rod, and the guide key is in sliding fit with the guide groove.
The hydraulic vulcanizing machine comprises a rack, an upper supporting plate, a lower supporting plate and an opening and closing mold assembly, wherein the lower supporting plate is connected with the rack, the opening and closing mold assembly is installed on the lower supporting plate and drives the upper supporting plate to move up and down, and the hydraulic vulcanizing machine further comprises a plurality of groups of pressurizing and mold locking mechanisms.
As an alternative of the hydraulic vulcanizing machine, the hydraulic vulcanizing machine further comprises a guide assembly, wherein the guide assembly comprises a guide rod and a guide cylinder, the guide cylinder is arranged on the upper supporting plate, one end of the guide rod is arranged on the lower supporting plate, and the other end of the guide rod movably penetrates through the guide cylinder.
As an alternative of the hydraulic vulcanizing machine of the present invention, the mold opening and closing assembly includes a mold opening and closing driving member, a first mounting seat and a second mounting seat, an output rod of the mold opening and closing driving member is fixedly connected to the upper supporting plate through the first mounting seat, and a housing of the mold opening and closing driving member is fixedly connected to the lower supporting plate through the second mounting seat.
The working principle of the invention is as follows:
according to the pressurizing mold-locking mechanism and the hydraulic vulcanizing machine provided by the invention, an upper mold and a lower mold of a mold for processing a tire are respectively placed on an upper supporting plate and a lower supporting plate, when mold closing is started, the lower supporting plate is fixed, the upper supporting plate descends and drives an upper pull rod to move close to a lower pull rod, a coarse mold-adjusting action is completed through a multi-stage mold-adjusting structure between the upper pull rod and the lower pull rod, and the lower pull rod is driven to rotate through a mold-locking component on the lower supporting plate so as to be locked with the upper pull rod to complete a mold-locking action; then the upper supporting plate continues to descend, at the moment, the pressurizing mold adjusting oil cylinder is in a free state, the piston rod is driven by the upper pull rod to compress the rodless cavity to finish fine mold adjusting action, and when the preset mold adjusting height is reached, the upper supporting plate stops descending to finish mold adjusting action; after the mold is adjusted in place, tire vulcanization operation is carried out, impact force generated in the tire vulcanization process acts between the upper supporting plate and the lower supporting plate, and the piston rod is pressurized through the pressurization mold adjusting oil cylinder, so that the piston rod has the tendency of sliding upwards, impact force generated in tire vulcanization is offset, the upper mold and the lower mold are prevented from being separated, and pressurization action is completed.
The invention has the beneficial effects that:
according to the pressurizing and mold-locking mechanism provided by the invention, the mold adjusting requirements of different molds are met through a combined mold adjusting mode of a coarse mold adjusting mode of a multi-stage mold adjusting structure and a fine mold adjusting mode of a pressurizing and mold adjusting oil cylinder, the complexity of the whole pressurizing and mold-locking mechanism is reduced, and the whole pressurizing and mold-locking mechanism is small in size, light in weight and high in working efficiency.
According to the hydraulic vulcanizing machine provided by the invention, the lower supporting plate is connected with the rack, the mold opening and closing assembly is arranged on the lower supporting plate and drives the upper supporting plate to move up and down, and the plurality of groups of pressurizing and mold locking mechanisms are distributed between the upper supporting plate and the lower supporting plate, so that the stress uniformity of a mold during mold closing is ensured, the tire forming quality is improved, the service life of the mold is prolonged, the mold adjusting requirements of different molds are met through a combined mold adjusting mode of a coarse mold adjusting mode of a multistage mold adjusting structure and a fine mold adjusting mode of a pressurizing mold adjusting oil cylinder, the complexity of the whole hydraulic vulcanizing machine is reduced, the operation is convenient, and the whole hydraulic vulcanizing machine is small in size, light in weight and low in processing cost.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a schematic perspective view of a hydraulic vulcanizer including a pressurized clamping mechanism according to an embodiment of the present invention from a first perspective;
FIG. 2 is a schematic perspective view of a hydraulic vulcanizer including a pressurized clamping mechanism according to an embodiment of the present invention from a second perspective;
FIG. 3 is a schematic bottom view of a hydraulic press incorporating a pressurized clamping mechanism according to an embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of a pressurized die adjustment assembly and a tie rod assembly provided in an embodiment of the present invention.
In the figure:
1-mounting a supporting plate; 2-a lower supporting plate; 3-pressurizing and adjusting the die assembly; 4-a tie rod assembly; 5-a mold locking assembly; 6-a frame;
7-opening and closing the die assembly; 8-a guide assembly;
11-a pilot hole;
31-pressurizing and mold adjusting oil cylinders; 311-cylinder body; 312-a piston rod; 313-a rod cavity; 314-rodless cavity;
41-upper pull rod; 42-lower pull rod; 43-convex; 44-a groove; 45-sliding sleeve; 46-a locking ring;
51-a mode locking driving device; 52-a mode locking driving rod; 53-a mold locking disc; 54-a fixed support;
71-opening and closing die driving member; 72-a first mount; 73-a second mount;
81-a guide rod; 82-guide cylinder.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 4, the present embodiment provides a pressurizing and mold-locking mechanism for fixing an upper pallet 1 and a lower pallet 2 during a vulcanization operation of a hydraulic vulcanizer, wherein an upper mold and a lower mold of a tire processing mold are respectively placed on the upper pallet 1 and the lower pallet 2, and the pressurizing and mold-locking mechanism includes a pressurizing and mold-adjusting assembly 3, a tie rod assembly 4, and a mold-locking assembly 5. The pressurizing and die-adjusting assembly 3 comprises a pressurizing and die-adjusting cylinder 31 fixedly mounted on the upper supporting plate 1, and a piston rod 312 of the pressurizing and die-adjusting cylinder 31 extends downwards through the upper supporting plate 1. The pull rod assembly 4 comprises an upper pull rod 41 and a lower pull rod 42 which are connected in a rotatable and detachable mode, the upper pull rod 41 is fixedly connected with the piston rod 312, the lower pull rod 42 penetrates through the lower supporting plate 2 and is rotatably connected with the lower supporting plate, a multi-stage die adjusting structure is arranged between the upper pull rod 41 and the lower pull rod 42, and the multi-stage die adjusting structure is used for adjusting the die adjusting height in multiple stages to finish the preliminary coarse die adjusting action. The mold locking assembly 5 is mounted on the lower support plate 2 and used for driving the lower pull rod 42 to rotate.
As shown in fig. 4, the piston rod 312 divides the inner cavity of the cylinder 311 into a rod chamber 313 and a rod-less chamber 314, and when the pressure of the rod chamber 313 is greater than the pressure of the rod-less chamber 314, the piston rod 312 retracts under the action of the pressure difference, the cylinder 311 applies force to the upper tray 1, and the lower rod 42 locked with the upper rod 41 applies force to the lower tray 2 to lock the upper tray 1 and the lower tray 2, thereby performing a pressurizing action.
When the die assembly starts, the lower supporting plate 2 is fixed, the upper supporting plate 1 descends and drives the upper pull rod 41 to move close to the lower pull rod 42, the coarse die adjustment action is completed through the multi-stage die adjustment structure between the upper pull rod 41 and the lower pull rod 42, and the lower pull rod 42 is driven to rotate through the die locking assembly 5 on the lower supporting plate 2, so that the lower pull rod 42 and the upper pull rod 41 are locked to complete the die locking action; then the upper supporting plate 1 continues to descend, at the moment, the pressurizing mold-adjusting oil cylinder 31 is in a free state, the upper pull rod 41 drives the piston rod 312 to compress the rodless cavity 314 to finish fine mold adjustment, and when the preset mold-adjusting height is reached, the upper supporting plate 1 stops descending to finish mold adjustment; after the mold is adjusted in place, tire vulcanization operation is carried out, impact force generated in the tire vulcanization process acts between the upper supporting plate 1 and the lower supporting plate 2, and the piston rod 312 is pressurized through the pressurization mold adjusting oil cylinder 31, so that the piston rod 312 has the tendency of sliding upwards, the impact force generated in tire vulcanization is offset, the upper mold and the lower mold are prevented from being separated, and pressurization action is completed.
It should be noted that the cylinder 311 is provided with a displacement sensor for detecting the position of the piston rod 312 to precisely complete the fine adjustment of the mold.
As shown in fig. 4, alternatively, one of the upper and lower rods 41 and 42 is provided with a plurality of protrusions 43 uniformly distributed in the circumferential direction at an end portion thereof, and the other is provided with a plurality of grooves 44 uniformly distributed in the circumferential direction at the end portion thereof, and the upper and lower rods 41 and 42 are rotatably detachably connected by the protrusions 43 and the grooves 44. The plurality of protrusions 43 uniformly distributed in the circumferential direction are integrally in a spline shape or a quincunx tooth shape, the plurality of grooves 44 uniformly distributed in the circumferential direction are integrally in a spline groove shape, and when the lower pull rod 42 is rotated, the protrusions 43 can be aligned with the grooves 44 or interfere with the grooves 44, so that the rotatable detachable connection of the upper pull rod 41 and the lower pull rod 42 is realized. In other embodiments, the number of protrusions 43 and grooves 44 may not be the same, for example, the number of protrusions 43 and grooves 44 may be in a multiple relationship.
As shown in fig. 4, in the present embodiment, the multi-stage mode adjusting structure includes: a plurality of circumferentially and uniformly distributed protrusions 43 are arranged in multiple layers along the axial direction of the pull rod assembly 4; and/or a plurality of groups of grooves 44 which are uniformly distributed in the circumferential direction and have the same number with the protrusions 43 are arranged along the axial direction of the pull rod assembly 4. The multi-stage rough adjusting die action is realized by matching the protrusions 43 with the grooves 44 at different heights. In this embodiment, a set of grooves 44 is provided on the upper rod 41, and three layers of protrusions 43 are provided on the lower rod 42, so as to realize three-step adjustment of the height of the mold.
In order to enhance the connection strength of the upper pull rod 41 and the piston rod 312 and to facilitate assembly, the upper pull rod 41 is optionally screwed to the piston rod 312. In addition, the threaded connection mode of the upper pull rod 41 and the piston rod 312 can also realize the adjustment of the mold adjusting range. In order to prevent the upper pull rod 41 from shaking, optionally, a guide hole 11 is provided on the upper supporting plate 1, and an end of the upper pull rod 41 away from the lower pull rod 42 is movably disposed in the guide hole 11. In order to prevent the upper rod 41 from rotating relative to the guide hole 11 along the circumferential direction, optionally, a guide key is provided on the hole wall of the guide hole 11, and a guide groove extending along the axial direction of the upper rod 41 is provided on the upper rod, and the guide key is slidably engaged with the guide groove.
In order to reduce the frictional resistance when the lower pull rod 42 rotates, the lower pull rod 42 penetrates through the lower supporting plate 2, a sliding sleeve 45 is arranged between the lower pull rod 42 and the lower supporting plate 2, and the sliding sleeve 45 can be a copper sleeve to reduce the frictional resistance. In order to prevent the lower pull rod 42 from being separated from the lower supporting plate 2, a locking ring 46 is fixedly arranged on the lower supporting plate 2, the locking ring 46 is clamped with the lower pull rod 42, specifically, a circumferential clamping groove is arranged on the lower pull rod 42, the locking ring 46 is installed in the clamping groove in a matched manner, and further preferably, the locking ring 46 is an annular structure formed by two semicircular rings so as to facilitate assembly.
As shown in fig. 3, the mold clamping assembly 5 optionally comprises a mold clamping driving device 51, a mold clamping driving rod 52 and a mold clamping disk 53 connected in sequence, wherein the mold clamping disk 53 is fixedly connected with the lower pull rod 42, and the mold clamping driving device 51 drives the lower pull rod 42 to rotate through the mold clamping driving rod 52 and the mold clamping disk 53. When a plurality of groups of the pressurizing and mold-locking mechanisms are distributed between the upper supporting plate 1 and the lower supporting plate 2, the mold-locking driving device 51 can drive more than two mold-locking discs 53 through the mold-locking driving rod 52, so as to realize synchronous mold-locking action. The mold locking assembly 5 further comprises a fixing bracket 54, wherein the fixing bracket 54 is fixedly arranged on the lower supporting plate 2 and used for installing the mold locking driving device 51.
The pressurizing mold locking mechanism provided by the embodiment meets the mold adjusting requirements of different molds through the combined mold adjusting mode of the coarse mold adjusting of the multistage mold adjusting structure and the fine mold adjusting of the pressurizing mold adjusting oil cylinder 31, reduces the complexity of the whole pressurizing mold locking mechanism, and ensures that the whole pressurizing mold locking mechanism has small volume, light weight and high working efficiency.
As shown in fig. 1 to 4, this embodiment further provides a hydraulic vulcanizing machine, where the hydraulic vulcanizing machine includes a frame 6, an upper supporting plate 1, a lower supporting plate 2, and an opening/closing mold assembly 7, the lower supporting plate 2 is connected to the frame 6, the frame 6 may be a supporting structure of a plurality of legs, the opening/closing mold assembly 7 is mounted on the lower supporting plate 2 and drives the upper supporting plate 1 to move up and down, and the hydraulic vulcanizing machine further includes a plurality of sets of the above-mentioned pressurizing mold-locking mechanisms.
In order to maintain the stability of the upper supporting plate 1 and the lower supporting plate 2 during mold closing, preferably, the hydraulic vulcanizing machine further comprises a guide assembly 8, the guide assembly 8 comprises a guide rod 81 and a guide cylinder 82, the guide cylinder 82 is arranged on the upper supporting plate 1, one end of the guide rod 81 is arranged on the lower supporting plate 2, and the other end of the guide rod is movably penetrated through the guide cylinder 82. The guide rod 81 can be a polished rod, and the guide cylinder 82 can be a linear bearing, so that the frictional resistance when the guide rod and the guide cylinder are matched is reduced.
Optionally, the mold opening and closing assembly 7 includes a mold opening and closing driving member 71, a first mounting seat 72 and a second mounting seat 73, an output rod of the mold opening and closing driving member 71 is fixedly connected to the upper supporting plate 1 through the first mounting seat 72, and a housing of the mold opening and closing driving member 71 is fixedly connected to the lower supporting plate 2 through the second mounting seat 73. The mold opening and closing driving part 71 can adopt an air cylinder, an electric cylinder or an oil cylinder, and the up-and-down motion of the upper supporting plate 1 is realized through the telescopic motion of an output rod of the mold opening and closing driving part 71 relative to the shell, so that the mold closing action and the mold opening action of the upper mold and the lower mold are realized.
The hydraulic vulcanizing machine provided by the embodiment has the advantages that the plurality of groups of pressurizing and mold locking mechanisms are distributed between the upper supporting plate 1 and the lower supporting plate 2, the uniformity of stress during mold closing is ensured, the tire forming quality is improved, the service life of a mold is prolonged, the mold adjusting mode combining mode of a coarse mold adjusting mode of a multistage mold adjusting structure and a fine mold adjusting mode of the pressurizing and mold adjusting oil cylinder 31 is adopted, the mold adjusting requirements of different molds are met, the complexity of the whole hydraulic vulcanizing machine is reduced, and the whole hydraulic vulcanizing machine is small in size and light in weight.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A pressurization clamping mechanism for fixing an upper supporting plate (1) and a lower supporting plate (2) in vulcanization operation of a hydraulic vulcanizing machine, characterized by comprising:
the pressurizing and die-adjusting assembly (3) comprises a pressurizing and die-adjusting oil cylinder (31) fixedly mounted on the upper supporting plate (1), and a piston rod (312) of the pressurizing and die-adjusting oil cylinder (31) penetrates through the upper supporting plate (1) to extend downwards;
the pull rod assembly (4) comprises an upper pull rod (41) and a lower pull rod (42) which are connected in a rotatable and detachable mode, the upper pull rod (41) is fixedly connected with the piston rod (312), the lower pull rod (42) penetrates through the lower supporting plate (2) and is rotatably connected with the lower supporting plate, and a multi-stage die adjusting structure is arranged between the upper pull rod (41) and the lower pull rod (42);
and the mold locking assembly (5) is arranged on the lower supporting plate (2) and is used for driving the lower pull rod (42) to rotate.
2. The compression clamping mechanism according to claim 1, wherein one of the upper pull rod (41) and the lower pull rod (42) is provided with a plurality of protrusions (43) uniformly distributed in the circumferential direction at the end part, and the other is provided with grooves (44) uniformly distributed in the circumferential direction at the end part, the number of the protrusions (43) is consistent with that of the grooves (44), and the upper pull rod (41) and the lower pull rod (42) are rotatably detachably connected through the protrusions (43) and the grooves (44).
3. The compression clamping mechanism as claimed in claim 2, wherein said multi-stage die adjustment structure comprises: the plurality of bulges (43) which are uniformly distributed in the circumferential direction are provided with a plurality of layers along the axial direction of the pull rod assembly (4); and/or a plurality of groups of grooves (44) which are uniformly distributed in the circumferential direction and have the same number with the protrusions (43) are arranged along the axial direction of the pull rod assembly (4).
4. The compression clamping mechanism according to claim 1, wherein the upper tie rod (41) is threadedly connected to the piston rod (312).
5. The mechanism according to claim 1, wherein the clamping assembly (5) comprises a clamping driving device (51), a clamping driving rod (52) and a clamping disc (53) which are connected in sequence, the clamping disc (53) is fixedly connected with the lower tie rod (42), and the clamping driving device (51) drives the lower tie rod (42) to rotate through the clamping driving rod (52) and the clamping disc (53).
6. The pressure clamping mechanism according to claim 1, wherein a guide hole (11) is formed in the upper supporting plate (1), and one end of the upper pull rod (41) far away from the lower pull rod (42) is movably arranged in the guide hole (11).
7. The pressure clamping mechanism according to claim 6, wherein the wall of the guide hole (11) is provided with a guide key, the upper pull rod (41) is provided with a guide groove extending along the axial direction of the upper pull rod, and the guide key is in sliding fit with the guide groove.
8. A hydraulic vulcanizing machine comprises a rack (6), an upper supporting plate (1), a lower supporting plate (2) and an opening and closing die assembly (7), wherein the lower supporting plate (2) is connected with the rack (6), and the opening and closing die assembly (7) is installed on the lower supporting plate (2) and drives the upper supporting plate (1) to move up and down, and is characterized by further comprising a plurality of groups of pressurizing and die locking mechanisms according to any one of claims 1 to 7.
9. The hydraulic vulcanizer of claim 8, further comprising a guide assembly (8), wherein the guide assembly (8) comprises a guide rod (81) and a guide cylinder (82), the guide cylinder (82) is arranged on the upper supporting plate (1), one end of the guide rod (81) is arranged on the lower supporting plate (2), and the other end of the guide rod movably penetrates through the guide cylinder (82).
10. The hydraulic vulcanizer of claim 8, wherein the die assembly (7) comprises a die actuating member (71), a first mounting seat (72) and a second mounting seat (73), the output rod of the die actuating member (71) is fixedly connected to the upper supporting plate (1) through the first mounting seat (72), and the housing of the die actuating member (71) is fixedly connected to the lower supporting plate (2) through the second mounting seat (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111493517.5A CN114055822A (en) | 2021-12-08 | 2021-12-08 | Pressurization clamping mechanism and hydraulic vulcanizing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111493517.5A CN114055822A (en) | 2021-12-08 | 2021-12-08 | Pressurization clamping mechanism and hydraulic vulcanizing machine |
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| CN114055822A true CN114055822A (en) | 2022-02-18 |
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| CN202111493517.5A Pending CN114055822A (en) | 2021-12-08 | 2021-12-08 | Pressurization clamping mechanism and hydraulic vulcanizing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115071191A (en) * | 2022-06-13 | 2022-09-20 | 联亚智能科技（苏州）有限公司 | Central mechanism of new energy vulcanizing machine, vulcanizing machine with central mechanism and vulcanizing system with central mechanism |
-
2021
- 2021-12-08 CN CN202111493517.5A patent/CN114055822A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115071191A (en) * | 2022-06-13 | 2022-09-20 | 联亚智能科技（苏州）有限公司 | Central mechanism of new energy vulcanizing machine, vulcanizing machine with central mechanism and vulcanizing system with central mechanism |
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