CN107718616B - Inflation-free tire forming device and method thereof - Google Patents
Inflation-free tire forming device and method thereof Download PDFInfo
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- CN107718616B CN107718616B CN201711128512.6A CN201711128512A CN107718616B CN 107718616 B CN107718616 B CN 107718616B CN 201711128512 A CN201711128512 A CN 201711128512A CN 107718616 B CN107718616 B CN 107718616B
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Abstract
A inflation-free tire forming device and a method are used for compositely forming a tire body and a tire tread, and comprise a tire tread expanding mechanism for expanding the tire tread, a tire body fixing mechanism for fixing the tire body, a composite forming mechanism for compositely forming the tire body and the tire tread, a moving mechanism capable of enabling the tire tread expanding mechanism and the composite forming mechanism to move along a certain track, a detecting unit for detecting positions and states of the tire tread expanding mechanism, the tire body fixing mechanism and the composite forming mechanism, and a control unit capable of controlling the tire tread expanding mechanism, the tire body fixing mechanism, the composite forming mechanism and the moving mechanism.
Description
Technical Field
The invention relates to the field of tire manufacturing, in particular to a inflation-free tire forming device and a method thereof.
Background
Compared with the traditional bias tire and radial tire, the non-pneumatic tire can meet the use requirement of an automobile without inflation, and the special structure of the non-pneumatic tire has no problems of tire burst, tire burst and the like of the pneumatic tire from theory and practice, so that the safety of a high-speed form of the automobile is greatly improved.
The non-pneumatic tire technology is a complete technical system consisting of a hub, a tire body and a tire tread, wherein the tire body and the tire tread can be integrated or combined into a split type by different materials. The split type non-pneumatic tire requires perfect compound shaping of the carcass and the tread, and since the concept of the tire product is novel and related equipment is not available on the market at present, the development of a device and a method suitable for shaping the split type non-pneumatic tire is necessary for those skilled in the art.
Disclosure of Invention
The invention provides a device and a method capable of avoiding inflation tyre forming, and particularly relates to a split inflation-free tyre forming device and a method thereof.
In order to achieve the above purpose, the invention adopts the following technical scheme:
A exempt from to aerify tire forming device for with the tread composite forming, including being used for expanding the tread expanding mechanism of tread, be used for fixing the matrix fixed establishment of matrix, be used for with the composite forming mechanism of matrix and tread composite forming, can make tread expanding mechanism, composite forming mechanism follow the motion mechanism of certain orbit motion, be used for detecting the detecting element of tread expanding mechanism, matrix fixed establishment, composite forming mechanism position and state, and can control the control unit of tread expanding mechanism, matrix fixed establishment, composite forming mechanism and motion mechanism, the control unit respectively with detecting element and motion mechanism electric connection, the control unit includes:
the acquisition module is electrically connected with the detection unit and is used for acquiring the states and positions of the tread expanding mechanism, the carcass fixing mechanism and the composite forming mechanism detected by the detection unit and sending information to the control unit;
the judging module is electrically connected with the acquisition module, receives the information sent by the acquisition module, judges the operation to be performed in the next step according to the received information, and sends the information to the control unit;
The control module is electrically connected with the judging module, receives information sent by the judging module, and controls the tread expanding mechanism and the moving mechanism according to the received information, so that the tread expanding mechanism expands the tread and moves according to a design track, controls the tire body fixing mechanism to fix or loosen the tire body, and controls the composite forming mechanism and the moving mechanism to enable the composite forming mechanism to move according to the design track and composite form the tire body and the tread.
Preferably, the tread expanding mechanism comprises a first expanding and contracting unit for controlling the expansion and contraction of the tread, the first expanding and contracting unit comprises a first movable piece and a first power piece for controlling the movement of the first movable piece, the first power piece is electrically connected with the control unit,
the acquisition module further comprises an acquisition module for acquiring the state of the first movable part detected by the detection unit and sending information to the judgment module;
the judging module further comprises an operation step of judging the next step of the first movable piece and sends information to the control module;
The control module is electrically connected with the first power piece and further comprises a step of controlling the first power piece to enable the first movable piece to expand or contract according to a set step, so that the expanding state of the tread is controlled.
Preferably, the carcass fixing mechanism comprises a second expanding and contracting unit for fixing the carcass, the second expanding and contracting unit comprises a second movable piece and a second power piece for controlling the second movable piece, and the second power piece is electrically connected with the control unit;
the acquisition module further comprises an acquisition module for acquiring the state of the second movable part detected by the detection unit and sending information to the judgment module;
the judging module further comprises an operation step of judging the next step of the second movable piece and sends information to the control module;
the control module is electrically connected with the second power piece and further comprises a control module for controlling the second power piece to enable the second movable piece to expand or contract according to the set steps so as to fix or release the carcass.
Preferably, the composite forming mechanism comprises a pressing unit for pressing the tread on the tire body, the pressing unit comprises a third movable part and a third power part for controlling the third movable part, the tire body fixing mechanism further comprises a fourth power part for rotating the second expanding and contracting unit, and the third power part and the fourth power part are respectively and electrically connected with the control unit;
The acquisition module further comprises an acquisition module for acquiring the state of the third movable part detected by the detection unit and transmitting information to the judgment module;
the judging module further comprises an operation step of judging the next step of the third power piece and sends information to the control module;
the control module is respectively and electrically connected with the third power piece, and further comprises a control module for controlling the third power piece to enable the tire body and the tire tread to be formed in a combined mode according to the set steps, and a control module for controlling the fourth power piece to enable the second expansion and contraction mechanism to rotate so that the pressing unit is used for pressing the tire tread and the tire body comprehensively.
Preferably, the tread expanding and contracting mechanism comprises a first expanding and contracting unit for controlling the tread to expand and contract, the first expanding and contracting unit comprises a first movable part and a first power part for controlling the first movable part to move, the first power part is electrically connected with the control unit, the composite forming mechanism further comprises a bonding unit for bonding the carcass and the tread so as to separate the tread expanding and contracting mechanism from the tread, the bonding unit comprises a fourth movable part and a fifth power part for controlling the fourth movable part, and the fifth power part is electrically connected with the control unit;
The acquisition module further comprises an acquisition module for acquiring the state of the fourth movable part detected by the detection unit and transmitting information to the judgment module;
the judging module further comprises an operation step of judging the next steps of the tread expanding mechanism, the third movable piece and the fourth movable piece, and sends information to the control module;
the control module is electrically connected with the first, third and fifth power parts respectively and further comprises a control module for controlling the first, third and fifth power parts so as to control the expansion degree of the first movable part, the tread expansion mechanism is controlled to be close to or far away from the composite forming mechanism, and the third and fourth movable parts are controlled to be close to or far away from the tread.
A inflation-free tire composite molding method based on the inflation-free tire molding device comprises the following steps:
s1: the tread expanding mechanism expands the tread, the detecting unit detects the state of the tread expanding mechanism, the collecting module collects information detected by the detecting unit and sends the information to the judging module, and when the judging module judges that the expanding degree of the tread expanding mechanism is proper, the information is sent to the control module, and the control module controls the tread expanding mechanism to stop expanding;
S2: the carcass fixing mechanism is used for fixing the carcass, the detection unit is used for detecting the state of the carcass fixing mechanism, the acquisition module is used for acquiring information detected by the detection unit and sending the information to the judgment module, and when the judgment module judges that the carcass fixing mechanism is fixed, the judgment module is used for sending information to the control module, and the control module is used for controlling the carcass fixing mechanism to be kept fixed;
s3: the control module controls the movement mechanism to enable the tread expanding mechanism and the composite forming mechanism to move towards the carcass fixing mechanism, the detection unit detects the positions of the tread expanding mechanism and the composite forming mechanism, the acquisition module acquires information of the detection unit and sends the information to the judgment module, the judgment module judges that the positions of the tread expanding mechanism and the composite forming mechanism are proper and sends the information to the control module, the control module controls the movement mechanism to enable the tread expanding mechanism and the composite forming mechanism to stop moving, controls the tread expanding mechanism to reduce the expanding degree, the detection unit detects the state of the tread expanding mechanism, the acquisition module acquires the information detected by the detection unit and sends the information to the judgment module, the judgment module judges that the expanding degree of the tread expanding mechanism is reduced to a proper degree and sends the information to the control module, and the control module controls the movement mechanism to enable the tread expanding mechanism to move in a direction far away from the composite forming mechanism;
S4: the composite forming mechanism is used for pressing and forming the tire body and the tire tread;
preferably, the tread expanding mechanism includes a first expanding unit for controlling the tread expanding, the first expanding unit includes a first movable member, and a first power member for controlling the first movable member to move, the first power member is electrically connected with the control unit, and step S1 further includes:
s11: the control module controls the first power piece to enable the first power piece to control the first movable piece to expand so as to enable the tread to expand;
s12: the detection unit detects the expansion degree of the first movable piece, and the acquisition module acquires information detected by the detection unit and sends the information to the judgment module;
s13: the judging module is used for sending information to the control module when judging that the expansion degree of the first movable part meets the set requirement;
s14: the control module controls the first power piece so that the first power piece controls the first movable piece to stop expanding and fixing.
Preferably, the carcass fixing mechanism includes a second expanding and contracting unit for fixing the carcass, the second expanding and contracting unit includes a second movable member, and a second power member for controlling the second movable member, the second power member is electrically connected with the control unit, the step S2 further includes:
S21: the control module controls the second power piece to enable the second power piece to control the second movable piece to expand so as to fix the carcass;
s22: the detection unit detects the expansion degree of the second movable piece, and the acquisition module acquires the information detected by the detection unit and sends the information to the judgment module;
s23: the judging module is used for sending information to the control module when judging that the expansion degree of the second movable part meets the set requirement;
s24: the control module controls the second power piece so that the second power piece controls the second movable piece to stop expanding and fixing.
Preferably, the composite forming mechanism includes a pressing unit, the pressing unit includes a third movable member, and a third power member for controlling the third movable member, the carcass fixing mechanism further includes a fourth power member for rotating the second expanding and contracting unit, the third power member and the fourth power member are respectively electrically connected with the control unit, and the step S4 further includes:
s41: the control module controls the third power member so that the third power member controls the third movable member to press the tread against the carcass;
S42: the detection unit detects the holding degree of the third movable piece, and the acquisition module acquires the information detected by the detection unit and sends the information to the judgment module;
s43: the judging module judges that the pressing degree of the third movable piece meets the set requirement and sends information to the control module;
s44: the control module controls the third power piece so that the third power piece controls the third movable piece to stop pressing and fixing;
s45: the control module controls the fourth power piece to enable the second expansion mechanism to rotate, so that the pressing unit presses the whole tread;
s46: the detection unit detects the rotation time of the second expansion mechanism, and the acquisition module acquires the information detected by the detection unit and sends the information to the judgment module;
s47: the judging module is used for sending information to the control module when judging that the rotation time of the second expansion mechanism reaches the set requirement;
s45: the control module controls the fourth power piece to enable the fourth power piece to control the second expansion mechanism to stop rotating, and controls the third power piece to enable the third power piece to control the third movable piece to move in a direction far away from the tread, and pressing is stopped.
Preferably, the tread expanding and contracting mechanism comprises a first expanding and contracting unit for controlling the tread to expand and contract, the first expanding and contracting unit comprises a first movable part and a first power part for controlling the first movable part to move, the first power part is electrically connected with the control unit, the composite forming mechanism further comprises a bonding unit for bonding the carcass and the tread so as to separate the tread expanding and contracting mechanism from the tread, the bonding unit comprises a fourth movable part and a fifth power part for controlling the fourth movable part, and the fifth power part is electrically connected with the control unit;
the step S3 further includes:
s31: the control module controls the movement mechanism to enable the tread expanding mechanism and the composite forming mechanism to move towards the carcass fixing mechanism, the detection unit detects the positions of the tread expanding mechanism and the composite forming mechanism, and the acquisition module acquires information detected by the detection unit and sends the information to the judging module;
s32: when the judging module judges that the positions of the tread expanding mechanism and the composite forming mechanism meet the design requirement, the information is sent to the control module even if the equatorial lines of the tread, the carcass and the composite forming mechanism are positioned on the same vertical plane;
S33: the control module controls the first power piece so that the first power piece controls the first movable piece to move towards the direction approaching the carcass;
s34: the detection unit detects the position of the first movable part, and the acquisition module acquires information detected by the detection unit and sends the information to the judgment module;
s35: the judging module judges that the first movable piece touches the tire body and sends information to the control module;
s36: the control module controls the first power piece to stop the first movable piece, and controls the fifth power piece to enable the fourth movable piece to move towards the direction approaching to the carcass, so that the tread is attached to the carcass;
s37: the detection unit detects the position of the fourth movable part, and the acquisition module acquires information detected by the detection unit and sends the information to the judgment module;
s38: the judging module judges that when the fourth movable piece attaches the tread to the tire body, information is sent to the control module;
s39: the control module controls the fifth power piece to enable the fourth movable piece to stop moving, and controls the tread expanding mechanism to move in a direction away from the composite forming mechanism until reaching a home position;
The step S44 further includes:
s441: the control module controls the third power piece to enable the third movable piece to stop moving;
s442: the control module controls the fifth power piece so that the fifth power piece controls the fourth movable piece to move in a direction away from the tread;
s443: the detection unit detects the position of the fourth movable part, and the acquisition module acquires information detected by the detection unit and sends the information to the judgment module;
s444: after the judging module judges that the fourth movable part is reset, information is sent to the control module;
s445: step S45 is performed.
Compared with the prior art, the invention has the beneficial effects that:
the tire body and the tread of the split type inflation-free tire are compounded, one-time composite molding is completed, the process is simple, the damage to the tire body and the tread is reduced, the tire body fixing mechanism is fixed by adopting the expansion unit, the application range is wider, and the inflation-free tire molding device is controlled automatically and is high in efficiency.
Drawings
FIG. 1 is a schematic view of a tire building apparatus without inflation according to the present invention;
FIG. 2 is a schematic diagram illustrating the connection of a non-pneumatic tire building apparatus according to the present invention;
FIG. 3 is a schematic view of a tread expanding mechanism of a non-pneumatic tire building device according to the present invention;
FIG. 4 is a left side view of a tread expanding mechanism of the inflation free tire building apparatus of the present invention;
FIG. 5 is a schematic structural view of a carcass securing mechanism of a inflation-free tire building apparatus according to the present invention;
FIG. 6 is a front view of a carcass securing mechanism of the inflation free tire building apparatus of the present invention;
FIG. 7 is a schematic view of a second expansion and contraction unit of the inflation-free tire building apparatus according to the present invention;
FIG. 8 is a schematic diagram of a composite molding mechanism of the inflation-free tire molding apparatus of the present invention;
FIG. 9 is a flow chart of a method for building a inflation-free tire according to the present invention;
FIG. 10 is a flowchart of step S1 of the method for building a non-pneumatic tire according to the present invention;
FIG. 11 is a flowchart of step S2 of the method for building a non-pneumatic tire according to the present invention;
FIG. 12 is a flowchart of step S3 of the method for building a non-pneumatic tire according to the present invention;
FIG. 13 is a flowchart of step S4 of the method for building a non-pneumatic tire according to the present invention;
in the figure: 1. a tread expanding mechanism; 11. a first expansion unit; 111. a first movable member; 112. a first power member; 12. A swelling and shrinking disc; 13. a guide groove; 2. a carcass fixing mechanism; 21. a second expansion unit; 211. a second movable member; 212. a second power member; 213. a rotating disc; 22. a fourth power member; 23. a slewing bearing; 24. a base; 25. a housing; 3. a composite forming mechanism; 31. a pressing unit; 311. a third movable member; 312. a third power member; 32. a bonding unit; 321. a fourth movable member; 322. a fifth power member; 33. an annular base; 4. a movement mechanism; 41. a sixth power element; 42. a chain; 43. a guide rail; 5. a control unit; 51. an acquisition module; 32. a judging module; 53. a control module; 6. a detection unit; 7. and a tyre mounting robot.
Detailed Description
The present invention will be specifically described below by way of exemplary embodiments. It is to be understood that elements, structures, and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", "lower", "front", "rear", "left", "right", etc. are based on the positional relationships shown in fig. 1, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements to be referred to must have a specific orientation, be constructed and operated in a specific 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.
Referring to fig. 1 and 2, a inflation-free tire forming device for composite forming of a tire body and a tire tread, comprising a tread expanding mechanism 1 for expanding the tire tread, a tire body fixing mechanism 2 for fixing the tire body, a composite forming mechanism 3 for composite forming of the tire body and the tire tread, a moving mechanism 4 capable of enabling the tread expanding mechanism and the composite forming mechanism to move along a certain track, a detecting unit 6 for detecting positions and states of the tread expanding mechanism 1, the tire body fixing mechanism 2 and the composite forming mechanism 3, and a control unit 5 capable of controlling the tread expanding mechanism 1, the tire body fixing mechanism 2, the composite forming mechanism 3 and the moving mechanism 4, wherein the control unit 5 is electrically connected with the detecting unit 6 and the moving mechanism 4 respectively, and the control unit 5 comprises:
The acquisition module 51 is electrically connected with the detection unit 6, and is used for acquiring the states and positions of the tread expanding mechanism 1, the carcass fixing mechanism 2 and the composite forming mechanism 3 detected by the detection unit 6 and sending information to the control unit 5;
the judging module 52 is electrically connected with the collecting module 51, receives the information sent by the collecting module 51, judges the operation to be performed next according to the received information, and sends the information to the control unit 5;
the control module 53 is electrically connected with the judging module 53, receives the information sent by the judging module 53, and controls the tread expanding mechanism 1 and the moving mechanism 4 according to the received information, so that the tread expanding mechanism 1 expands the tread and moves according to a designed track, controls the carcass fixing mechanism 2, so that the carcass fixing mechanism 2 fixes or loosens the carcass, and controls the composite forming mechanism 3 and the moving mechanism 4, so that the composite forming mechanism 3 moves according to the designed track and composites the carcass and the tread.
Referring to fig. 3 and 4, the tread expanding mechanism 1 comprises a first expanding unit 11, an expanding disc 12 and a plurality of guide grooves 13 positioned on the expanding disc 12, wherein the expanding disc 12 is preferably a circular disc, the guide grooves 13 are linear or arc-shaped hole grooves positioned on the expanding disc 12 and penetrating the expanding disc 12 in the axial direction of the expanding disc 12, and are preferably linear, the first expanding unit 11 comprises a plurality of first movable pieces 111 penetrating the guide grooves 13 in the axial direction of the expanding disc 12, and a first power piece 112 connected with the first movable pieces 111 for controlling the first movable pieces 111, the number of the first movable pieces 111 corresponds to the number of the guide grooves 13, the first movable pieces 111 are hard support rods, and the support rods are provided with guide balls (not labeled in the figure). Here, the first power member 112 is connected to the first movable member 111 through a gear and a chain so as to better achieve force transmission, and here, the first power member 112 is preferably a variable frequency motor so as to control the expansion speed of the first movable member 111.
Referring to fig. 5-7, the carcass fixing mechanism 2 comprises a base 24, a casing 25 sleeved on the base, a fourth power member 22 and a slewing bearing 23 arranged in a cavity formed by the base 24 and the casing 25, and a second expanding and contracting mechanism 21 connected with the fourth power member 22 and positioned outside the cavity. The second expanding and contracting mechanism 21 comprises a second movable member 211, a second power member 212 and a rotating disc 213, wherein the second movable member 211 is hinged with the rotating disc 213, the second power member 212 pushes the rotating disc 213 so as to enable the second movable member 211 to be far away from or close to the center of the rotating disc 213, and therefore expanding or contracting of the second expanding and contracting unit 21 is achieved, and the second power member 212 is preferably an air cylinder so as to control expanding and contracting force through controlling air pressure. The fourth power member 22 is connected to the second expansion unit 21 so as to drive the second expansion unit 21 to rotate, where the fourth power member 22 is preferably a variable frequency motor so as to control the rotation speed and the rotation time. The carcass fixing mechanism 2 has two stations, namely, two second expansion units 21 are positioned at two sides of the carcass fixing mechanism 2, and the slewing bearing 23 can enable the carcass fixing mechanism 2 to rotate around the slewing bearing 23 as an axis, so that working stations are switched. The fourth power elements 22 are arranged in correspondence with the second expansion unit 21, i.e. here preferably two fourth power elements 22.
Referring to fig. 8, the composite forming mechanism 3 includes an annular base 33, and a pressing unit 31 and a bonding unit 32 disposed on the annular base 33. The annular base 33 is provided with a plurality of annular base through holes, and the pressing unit 31 and the attaching unit 32 pass through the through holes, are fixed on the annular base 33, and are correspondingly arranged with the annular base through holes. The pressing unit 31 includes a third movable member 311 and a third power member 312 for controlling the movement of the third movable member 311, where the third power member 312 may control the third movable member 311 to enable the third movable member 311 to move in a direction of approaching or separating from the center of the circle in the annular base 33, and one end of the third movable member 311, approaching to the center of the annular base 33, is provided with a pressing wheel capable of rolling, and the third power member 312 is preferably an air cylinder, and can control pressing force through air pressure. The pressing unit 31 is matched with the second expanding and contracting mechanism 21, when the pressing unit 31 presses the tread onto the tire body, the fourth power piece 22 controls the second expanding and contracting mechanism 21 to rotate and is matched with the pressing unit 31, so that the pressing unit 31 presses the tread onto the tire body on the whole circumference of the tread. Here, the number of the pressing units 31 is preferably 1, and the pressing units are disposed in the through holes right above the annular base 33. The sum of the number of the laminating units 32 and the number of the pressing units 31 is identical to the number of the through holes of the annular base. The attaching unit 32 includes a fourth movable member 321 and a fifth power member 322 for controlling the fourth movable member 321 to move, where the fifth power member 322 may control the fourth movable member 321 to make the fourth movable member 321 move in a direction of approaching or separating from the center of the circle in the annular base 33, and one end of the fourth movable member 321 approaching the center of the annular base 33 is a plane, and the fifth power member 322 is preferably an air cylinder, and may control the pressing force by air pressure.
Referring to fig. 1, the movement mechanism 4 is connected with the tread expanding mechanism 1 and the composite forming mechanism 3 so as to drive the tread expanding mechanism 1 and the composite forming mechanism 3 to move. The motion mechanism 4 includes a sixth power member 41, a chain 42 and a guide rail 43, the sixth power member 41 is preferably two motors, and controls the tread expanding mechanism 1 and the composite forming mechanism 3 to move respectively, the chain 42 corresponds to the sixth power member 41, preferably two gear chains connected with the two motors respectively, the tread expanding mechanism 1 and the composite forming mechanism 3 are arranged on the guide rail 43, rollers (not shown in the figure) are arranged between the tread expanding mechanism 1, the composite forming mechanism 3 and the guide rail 43, and the sixth power member 41 drives the chain, so that the tread expanding mechanism 1 and the composite forming mechanism 3 move in a direction away from or approaching to the carcass fixing mechanism 2.
Referring to fig. 2, the control unit 5 is electrically connected to the tread expanding mechanism 1, the carcass fixing mechanism 2, the composite forming mechanism 3 and the moving mechanism 4, so as to control the tread expanding mechanism 1, the carcass fixing mechanism 2, the composite forming mechanism 3 and the moving mechanism 4. The control unit 5 includes a collection module 51, a judgment module 52 and a control module 53, where the collection module 51 is used to collect the states and positions of the tread expanding mechanism 1, the carcass fixing mechanism 2 and the composite forming mechanism 3, and send information, the judgment module 51 is electrically connected with the collection module 51, receives the information sent by the collection module 51, judges the next steps required by the tread expanding mechanism 1, the carcass fixing mechanism 2, the composite forming mechanism 3 and the moving mechanism 4, and sends information, and the control module 53 is electrically connected with the judgment module 52, receives the information of the judgment module 52, and controls the tread expanding mechanism 1, the carcass fixing mechanism 2, the composite forming mechanism 3 and the moving mechanism 4 according to the information. The control module 51 is electrically connected to the first, second, third, fourth, fifth and sixth power elements, and controls the first power element 112 to control the expansion or contraction of the first movable element 111, the second power element 212 to control the expansion or contraction of the second movable element 211, the third power element 312 to control the holding or loosening of the tread by the third movable element 312, the fourth power element 22 to control the rotation or stopping of the second expansion unit 21, the fifth power element 322 to control the fitting or loosening of the tread by the fourth movable element 321, and the sixth power element 41 to control the movement of the tread expansion mechanism 1 and the composite forming mechanism 3. The first, fourth and sixth power parts are preferably controlled by a PLC compiler, and the second, third and fifth power parts are preferably controlled by magnetic switches arranged on the corresponding power parts.
The detection unit 6 is used for detecting positions and states of the tread expanding mechanism 1, the carcass fixing mechanism 2 and the composite forming mechanism 3, and sending information to the control unit 5. The detecting unit 6 includes sensors for detecting PLC signals of the first, fourth and sixth power members, sensors for detecting magnetic switching states of the second, third and fifth power members, and a timer (not shown) for calculating an on time of the fourth power member 321. The detection unit 6 sends the detected signal to the control unit 5 so that the control unit 5 makes a judgment and controls the corresponding element.
The tyre loading robot 7 loads the tyre tread on the tyre tread expanding mechanism 1 according to a set program, loads the tyre carcass on the tyre carcass fixing mechanism 2, the detecting unit 6 detects a signal sent by the tyre loading robot 7 after finishing the set program and sends the signal to the control unit 5, and the control unit 5 starts the execution of the tyre forming program after receiving the signal.
According to the invention, through the tread expanding mechanism 1, the carcass fixing mechanism 2, the composite forming mechanism 3 and the movement mechanism 4, the one-time composite forming of the split type non-pneumatic tire is realized under the cooperation of the control unit 5 and the detection unit 6, the flow is simple, the structures of the first expanding and contracting unit 11 and the second expanding and contracting unit 21 are suitable for tires with various specifications, the application range is wide, and the inflation-free tire forming device adopts automatic control and has high efficiency.
Referring to fig. 9-13, a method for composite forming of a non-pneumatic tire based on the non-pneumatic tire forming apparatus includes the steps of:
s1: the tread expanding mechanism expands the tread, the detecting unit detects the state of the tread expanding mechanism, the collecting module collects information detected by the detecting unit and sends the information to the judging module, and when the judging module judges that the expanding degree of the tread expanding mechanism is proper, the information is sent to the control module, and the control module controls the tread expanding mechanism to stop expanding;
s2: the carcass fixing mechanism is used for fixing the carcass, the detection unit is used for detecting the state of the carcass fixing mechanism, the acquisition module is used for acquiring information detected by the detection unit and sending the information to the judgment module, and when the judgment module judges that the carcass fixing mechanism is fixed, the judgment module is used for sending information to the control module, and the control module is used for controlling the carcass fixing mechanism to be kept fixed;
s3: the control module controls the movement mechanism to enable the tread expanding mechanism and the composite forming mechanism to move towards the carcass fixing mechanism, the detection unit detects the positions of the tread expanding mechanism and the composite forming mechanism, the acquisition module acquires information of the detection unit and sends the information to the judgment module, the judgment module judges that the positions of the tread expanding mechanism and the composite forming mechanism are proper and sends the information to the control module, the control module controls the movement mechanism to enable the tread expanding mechanism and the composite forming mechanism to stop moving, controls the tread expanding mechanism to reduce the expanding degree, the detection unit detects the state of the tread expanding mechanism, the acquisition module acquires the information detected by the detection unit and sends the information to the judgment module, the judgment module judges that the expanding degree of the tread expanding mechanism is reduced to a proper degree and sends the information to the control module, and the control module controls the movement mechanism to enable the tread expanding mechanism to move in a direction far away from the composite forming mechanism;
S4: the composite forming mechanism is used for pressing and forming the tire body and the tire tread;
the step S1 further includes:
s11: the control module controls the first power piece to enable the first power piece to control the first movable piece to expand so as to enable the tread to expand;
s12: the detection unit detects the expansion degree of the first movable piece, and the acquisition module acquires information detected by the detection unit and sends the information to the judgment module;
s13: the judging module is used for sending information to the control module when judging that the expansion degree of the first movable part meets the set requirement;
s14: the control module controls the first power piece so that the first power piece controls the first movable piece to stop expanding and fixing.
The step S2 further includes:
s21: the control module controls the second power piece to enable the second power piece to control the second movable piece to expand so as to fix the carcass;
s22: the detection unit detects the expansion degree of the second movable piece, and the acquisition module acquires the information detected by the detection unit and sends the information to the judgment module;
s23: the judging module is used for sending information to the control module when judging that the expansion degree of the second movable part meets the set requirement;
S24: the control module controls the second power piece so that the second power piece controls the second movable piece to stop expanding and fixing.
The step S3 further includes:
s31: the control module controls the movement mechanism to enable the tread expanding mechanism and the composite forming mechanism to move towards the carcass fixing mechanism, the detection unit detects the positions of the tread expanding mechanism and the composite forming mechanism, and the acquisition module acquires information detected by the detection unit and sends the information to the judging module;
s32: when the judging module judges that the positions of the tread expanding mechanism and the composite forming mechanism meet the design requirement, the information is sent to the control module even if the equatorial lines of the tread, the carcass and the composite forming mechanism are positioned on the same vertical plane;
s33: the control module controls the first power piece so that the first power piece controls the first movable piece to move towards the direction approaching the carcass;
s34: the detection unit detects the position of the first movable part, and the acquisition module acquires information detected by the detection unit and sends the information to the judgment module;
S35: the judging module judges that the first movable piece touches the tire body and sends information to the control module;
s36: the control module controls the first power piece to stop the first movable piece, and controls the fifth power piece to enable the fourth movable piece to move towards the direction approaching to the carcass, so that the tread is attached to the carcass;
s37: the detection unit detects the position of the fourth movable part, and the acquisition module acquires information detected by the detection unit and sends the information to the judgment module;
s38: the judging module judges that when the fourth movable piece attaches the tread to the tire body, information is sent to the control module;
s39: the control module controls the fifth power piece to enable the fourth movable piece to stop moving, and controls the tread expanding mechanism to move in a direction away from the composite forming mechanism until reaching a home position;
the step S4 further includes:
s41: the control module controls the third power member so that the third power member controls the third movable member to press the tread against the carcass;
S42: the detection unit detects the holding degree of the third movable piece, and the acquisition module acquires the information detected by the detection unit and sends the information to the judgment module;
s43: the judging module judges that the pressing degree of the third movable piece meets the set requirement and sends information to the control module;
S44：
s441: the control module controls the third power piece to enable the third movable piece to stop moving;
s442: the control module controls the fifth power piece so that the fifth power piece controls the fourth movable piece to move in a direction away from the tread;
s443: the detection unit detects the position of the fourth movable part, and the acquisition module acquires information detected by the detection unit and sends the information to the judgment module;
s444: after the judging module judges that the fourth movable part is reset, information is sent to the control module;
s445: step S45 is performed.
S45: the control module controls the fourth power piece to enable the second expansion mechanism to rotate, so that the pressing unit presses the whole tread;
s46: the detection unit detects the rotation time of the second expansion mechanism, and the acquisition module acquires the information detected by the detection unit and sends the information to the judgment module;
S47: the judging module is used for sending information to the control module when judging that the rotation time of the second expansion mechanism reaches the set requirement;
s45: the control module controls the fourth power piece to enable the fourth power piece to control the second expansion mechanism to stop rotating, and controls the third power piece to enable the third power piece to control the third movable piece to move in a direction far away from the tread, and pressing is stopped.
The invention realizes the one-time composite molding of the split non-pneumatic tire, reduces the auxiliary time, greatly improves the working efficiency and realizes complete intellectualization.
Claims (1)
1. A composite molding method of a inflation-free tire molding device comprises the following steps:
s1: the tread expanding mechanism expands the tread, the detecting unit detects the state of the tread expanding mechanism, the collecting module collects information detected by the detecting unit and sends the information to the judging module, and when the judging module judges that the expanding degree of the tread expanding mechanism is proper, the information is sent to the control module, and the control module controls the tread expanding mechanism to stop expanding;
s2: the carcass fixing mechanism is used for fixing the carcass, the detecting unit is used for detecting the state of the carcass fixing mechanism, the acquisition module is used for acquiring information detected by the detecting unit and sending the information to the judging module, and when the judging module judges that the carcass fixing mechanism is fixed, the information is sent to the control module which controls the carcass fixing mechanism to be kept fixed;
S3: the control module controls the movement mechanism to enable the tread expanding mechanism and the composite forming mechanism to move towards the carcass fixing mechanism, the detection unit detects the positions of the tread expanding mechanism and the composite forming mechanism, the acquisition module acquires information of the detection unit and sends the information to the judgment module, when the judgment module judges that the positions of the tread expanding mechanism and the composite forming mechanism are proper, the information is sent to the control module, the control module controls the movement mechanism to enable the tread expanding mechanism and the composite forming mechanism to stop moving, the tread expanding mechanism is controlled to reduce the expanding degree, the detection unit detects the state of the tread expanding mechanism, the acquisition module acquires information detected by the detection unit and sends the information to the judgment module, the judgment module judges that the expanding degree of the tread expanding mechanism is reduced to a proper degree, and the control module controls the movement mechanism to enable the tread expanding mechanism to move in a direction far away from the composite forming mechanism;
s4: the composite forming mechanism is used for laminating and forming the tire body and the tire tread;
the tread expanding mechanism comprises a first expanding unit for controlling the expansion of the tread, the first expanding unit comprises a first movable piece and a first power piece for controlling the movement of the first movable piece, the first power piece is electrically connected with the control unit, and the step S1 further comprises:
S11: the control module controls the first power piece to enable the first power piece to control the first movable piece to expand so as to enable the tread to expand;
s12: the detection unit detects the expansion degree of the first movable piece, and the acquisition module acquires information detected by the detection unit and sends the information to the judgment module;
s13: when the judging module judges that the expansion degree of the first movable part meets the set requirement, the judging module sends information to the control module;
s14: the control module controls the first power piece so that the first power piece controls the first movable piece to stop expanding and fixing;
the carcass fixing mechanism comprises a second expanding and contracting unit for fixing a carcass, the second expanding and contracting unit comprises a second movable piece and a second power piece for controlling the second movable piece, the second power piece is electrically connected with the control unit, and the step S2 further comprises:
s21: the control module controls the second power piece so that the second power piece controls the second movable piece to expand to fix the carcass;
s22: the detection unit detects the expansion degree of the second movable piece, and the acquisition module acquires information detected by the detection unit and sends the information to the judgment module;
s23: when the judging module judges that the expansion degree of the second movable piece meets the set requirement, the judging module sends information to the control module;
S24: the control module controls the second power piece so that the second power piece controls the second movable piece to stop expanding and fixing;
the compound forming mechanism comprises a pressing unit, the pressing unit comprises a third movable part and a third power part for controlling the third movable part, the carcass fixing mechanism further comprises a fourth power part for enabling the second expansion and contraction unit to rotate, the third power part and the fourth power part are respectively and electrically connected with the control unit, and the step S4 further comprises:
s41: the control module controls the third power piece so that the third power piece controls the third movable piece to press the tread on the carcass;
s42: the detection unit detects the holding degree of the third movable piece, and the acquisition module acquires information detected by the detection unit and sends the information to the judgment module;
s43: when the judging module judges that the pressing degree of the third movable piece meets the set requirement, the judging module sends information to the control module;
s44: the control module controls the third power piece so that the third power piece controls the third movable piece to stop pressing and fixing;
s45: the control module controls the fourth power piece to enable the second expansion mechanism to rotate, so that the pressing unit presses the whole tread;
s46: the detection unit detects the rotation time of the second expansion mechanism, and the acquisition module acquires the information detected by the detection unit and sends the information to the judgment module;
S47: when the judging module judges that the rotation time of the second expansion mechanism reaches the set requirement, the judging module sends information to the control module;
s48: the control module controls the fourth power piece to enable the fourth power piece to control the second expansion mechanism to stop rotating, and controls the third power piece to enable the third power piece to control the third movable piece to move in a direction away from the tread, and pressing is stopped;
the tread expanding and starting mechanism comprises a first expanding and starting unit for controlling the expansion and starting of the tread, the first expanding and starting unit comprises a first movable part and a first power part for controlling the movement of the first movable part, the first power part is electrically connected with the control unit, the composite forming mechanism further comprises a laminating unit for laminating the tire body and the tread, so that the tread expanding and starting mechanism is separated from the tread, the laminating unit comprises a fourth movable part and a fifth power part for controlling the fourth movable part, and the fifth power part is electrically connected with the control unit;
step S3 further comprises:
s31: the control module controls the movement mechanism to enable the tread expanding mechanism and the composite forming mechanism to move towards the carcass fixing mechanism, the detection unit detects the positions of the tread expanding mechanism and the composite forming mechanism, and the acquisition module acquires information detected by the detection unit and sends the information to the judging module;
S32: when the judging module judges that the positions of the tread expanding mechanism and the composite forming mechanism meet the design requirement, the information is sent to the control module even if the equatorial lines of the tread, the carcass and the composite forming mechanism are positioned on the same vertical plane;
s33: the control module controls the first power piece so that the first power piece controls the first movable piece to move towards the direction approaching the carcass;
s34: the detection unit detects the position of the first movable piece, and the acquisition module acquires information detected by the detection unit and sends the information to the judgment module;
s35: the judging module judges that the first movable piece touches the tire body and sends information to the control module;
s36: the control module controls the first power piece to stop the first movable piece, controls the fifth power piece to enable the fourth movable piece to move towards the direction approaching the carcass, and accordingly fits the tread on the carcass;
s37: the detection unit detects the position of the fourth movable piece, and the acquisition module acquires information detected by the detection unit and sends the information to the judgment module;
s38: the judging module judges that the fourth movable piece is attached to the tire body, and sends information to the control module;
s39: the control module controls the fifth power piece to stop the fourth movable piece from moving, and controls the tread expanding mechanism to move in a direction away from the composite forming mechanism until reaching the original position;
Step S44 further includes:
s441: the control module controls the third movable piece to stop moving;
s442: the control module controls the fifth power piece so that the fifth power piece controls the fourth movable piece to move in a direction away from the tread;
s443: the detection unit detects the position of the fourth movable piece, and the acquisition module acquires information detected by the detection unit and sends the information to the judgment module;
s444: after the judging module judges that the fourth movable piece is reset, the judging module sends information to the control module;
s445: step S45 is performed.
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| CN201711128512.6A CN107718616B (en) | 2017-11-15 | 2017-11-15 | Inflation-free tire forming device and method thereof |
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| CN201711128512.6A CN107718616B (en) | 2017-11-15 | 2017-11-15 | Inflation-free tire forming device and method thereof |
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| CN107718616B true CN107718616B (en) | 2023-06-20 |
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| US4366019A (en) * | 1980-09-02 | 1982-12-28 | The B. F. Goodrich Company | Belt application roller |
| US4392899A (en) * | 1980-10-15 | 1983-07-12 | Societa Pneumatici Pirelli S.P.A. | Process and apparatus for manufacturing vehicle tires |
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| CN107718616A (en) | 2018-02-23 |
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