CN111037958A - Production process of anti-slip polyurethane solid tire - Google Patents
Production process of anti-slip polyurethane solid tire Download PDFInfo
- Publication number
- CN111037958A CN111037958A CN201911212598.XA CN201911212598A CN111037958A CN 111037958 A CN111037958 A CN 111037958A CN 201911212598 A CN201911212598 A CN 201911212598A CN 111037958 A CN111037958 A CN 111037958A
- Authority
- CN
- China
- Prior art keywords
- press
- rim
- tire
- slip
- cylindrical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- B29D30/02—Solid tyres ; Moulds therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
- B29C65/64—Joining a non-plastics element to a plastics element, e.g. by force
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/74—Joining plastics material to non-plastics material
- B29C66/742—Joining plastics material to non-plastics material to metals or their alloys
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/832—Reciprocating joining or pressing tools
- B29C66/8322—Joining or pressing tools reciprocating along one axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B21/00—Rims
- B60B21/10—Rims characterised by the form of tyre-seat or flange, e.g. corrugated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C13/00—Tyre sidewalls; Protecting, decorating, marking, or the like, thereof
- B60C13/02—Arrangement of grooves or ribs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C25/00—Apparatus or tools adapted for mounting, removing or inspecting tyres
- B60C25/01—Apparatus or tools adapted for mounting, removing or inspecting tyres for removing tyres from or mounting tyres on wheels
- B60C25/05—Machines
- B60C25/12—Machines for only seating the beads
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4266—Polycondensates having carboxylic or carbonic ester groups in the main chain prepared from hydroxycarboxylic acids and/or lactones
- C08G18/4269—Lactones
- C08G18/4277—Caprolactone and/or substituted caprolactone
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C13/00—Tyre sidewalls; Protecting, decorating, marking, or the like, thereof
- B60C13/02—Arrangement of grooves or ribs
- B60C2013/026—Arrangement of grooves or ribs provided at the interior side only
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2101/00—Manufacture of cellular products
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Tires In General (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a production process of an anti-slip polyurethane solid tire, which comprises the following steps: s1, pouring a polyurethane foaming material into the mold, and foaming and molding to obtain an anti-slip polyurethane solid tire body; s2, fixing the rim on a press-mounting machine; s3, placing the press-fitting guide device on a rim; s4, placing the tire body sleeve on the press-fitting guide device, and clamping the anti-skid grooves of the tire body with the guide protrusions on the press-fitting guide device; and S5, starting the press-mounting machine, and press-mounting the tire body and the rim. The production process of the anti-slip polyurethane solid tire provided by the invention is simple in process and high in efficiency; the anti-slip groove is arranged on the side wall of the inner ring of the prepared solid tire body, and the anti-slip bulge matched with the anti-slip groove is arranged on the rim, so that the problem of slip between the tire body and the rim is effectively solved; and a press-fitting guide device is arranged in the press-fitting process, so that the press-fitting efficiency is improved.
Description
Technical Field
The invention relates to the technical field of tire production, in particular to a production process of an anti-slip polyurethane solid tire.
Background
Solid tires are commonly used for industrial vehicles and are widely applied to places with severe road conditions, such as mines, factories, quarries and the like. The carcass of a solid tire is generally made of rubber or polyurethane. Rubber is the preferred material for manufacturing tires, but has the disadvantages of short service life, poor abrasion resistance and tear strength, and the like. The polyurethane solid tire overcomes the defects of a rubber solid tire, greatly improves the oil resistance, acid resistance, wear resistance and tear resistance, and prolongs the service life of the tire.
Solid tires are mainly classified into bonded solid tires and non-bonded solid tires. The solid tyre is made up by fixing the tyre body on the metal wheel hub, i.e. the ring-shaped tyre body is placed in the wheel hub with two combined half-pieces, then the two half-pieces of wheel hub are locked by means of mechanical fastening method, and the slip-rotation between tyre body and wheel hub can be prevented by means of mechanical fastening force. The non-adhesive solid tyre mainly comprises a solid tyre body and a steel rim, wherein the tyre body is pressed on the steel rim by special mechanical equipment; the rim is chemically treated in order to remove dirt and oxide layers on the metal surface bonded with the carcass and to give a fresh surface to the metal; when installed, the solid carcass is pressed onto the rim, preventing slippage by interference fit of the rim surface and carcass.
The bonding type solid tire has the problem of insufficient connection force between the tire body and the wheel hub; the non-adhesive solid tyre is easy to slip between the tyre body and the wheel rim, the wheel rim and the tyre body are not firmly jointed, and the slip can bring a series of serious consequences: the solid tire has the problems of increased wear, loud noise, poor running stability and the like, so that the problem of slippage of the non-bonded solid tire is very important to solve.
Disclosure of Invention
In order to solve the problems, the invention provides a production process of an anti-skid polyurethane solid tire, which comprises the following steps:
s1, pouring a polyurethane foaming material into the mold, and foaming and molding to obtain an anti-slip polyurethane solid tire body; the polyurethane foaming material is an AB two-component material, the A component comprises polyether polyol, an organic tin catalyst, a cross-linking agent and color paste, and the B component is polyisocyanate; uniformly mixing the component A and the component B according to the proportion, pouring the mixture into a mould for foaming and molding, and curing after molding to obtain a matrix;
the tyre body comprises a circular body A, the center of the body A is a tyre hole, and the side wall of the inner ring of the body A is provided with a semi-cylindrical anti-skid groove parallel to the central shaft of the body A;
s2, fixing the rim on a press-mounting machine; the rim comprises a hollow cylindrical body B, and the diameter of the outer wall of the body B is larger than that of the tire hole; the upper end and the lower end of the body B are respectively provided with a circular edge, a semi-cylindrical antiskid bulge corresponding to the antiskid groove of the tire body is arranged between the upper edge and the lower edge of the outer wall of the body B, and the antiskid bulge is parallel to the central shaft of the body B; a spoke is arranged at the center of the inner side wall of the body B along the height direction and is connected with the hub;
s3, placing the press-fitting guide device on a rim; the press-fitting guide device comprises a circular truncated cone body C and a semi-cylindrical guide bulge arranged on the side wall of the body C; the upper end surface and the lower end surface of the guide bulge are respectively positioned on the same plane with the bottom surfaces of the upper round table and the lower round table of the body C; placing the press-fitting guide device on a rim, wherein the guide protrusions are aligned with the anti-skid protrusions on the rim; the diameter of the upper bottom surface of the body C is smaller than that of the tire hole; the diameter of the lower bottom surface of the body C is equal to the outer diameter of the rim edge;
s4, placing the tire body sleeve on the press-fitting guide device, and clamping the anti-skid grooves of the tire body with the guide protrusions on the press-fitting guide device;
and S5, starting the press-mounting machine, and press-mounting the tire body and the rim.
Preferably, the a component in step S1 includes: 80 parts of polyether polyol, 20 parts of polyester polyol, 0.2 part of organic tin catalyst, 2 parts of cross-linking agent, 1 part of color paste and 1 part of silicone oil; the component B comprises PM-200; the component A and the component B are evenly mixed according to the weight ratio of 100/50, poured into a mould for foaming and molding, and cured to obtain the tire body.
Preferably, the polyether polyol is a mixture of polyether 330N and polyether 2000, and the mixing weight ratio is 50/30; the polyester polyol is polycaprolactone polyol; the organic tin catalyst is dibutyltin dilaurate.
Preferably, in the step S1, the inner side of the carcass is provided with four semi-cylindrical anti-skid grooves which are equidistantly distributed along the circumference of the central shaft of the body a; four semi-cylindrical anti-skid bulges corresponding to the anti-skid grooves of the tire body are arranged between the upper edge and the lower edge of the outer wall of the rim body B; and four semi-cylindrical guide bulges corresponding to the anti-skid grooves of the tire body are arranged on the press-fitting guide device body C.
Preferably, in step S2, the anti-skid protrusions are provided with anti-skid patterns.
Preferably, in step S2, the spoke is circular, the ring is distributed with reinforcing ribs arranged at equal intervals, the center hole of the ring is connected with the hub, the hub is a hollow cylinder with one end sealed, and the sealed end is provided with a screw hole.
Preferably, the press-mounting machine in step S2 includes a base, a cylindrical lower press plate is disposed at the center of the base, a cylindrical rim placing groove is disposed on the upper surface of the lower press plate, the height of the placing groove is equal to the thickness of the rim edge, and the diameter of the placing groove is equal to the outer diameter of the rim edge; a cylindrical positioning bulge is arranged at the center of the placing groove, the diameter of the positioning bulge is smaller than the inner diameter of the rim body B, and the height of the positioning bulge is smaller than the distance from the edge of the rim to the adjacent hub; the left side and the right side of the base are respectively provided with two brackets, and the top ends of the two brackets are connected with a fixed seat with a central opening; a piston rod of the hydraulic cylinder penetrates through a hole of the fixed seat, and the lower end of the hydraulic cylinder is connected with a pressure head; the joint of the pressure head and the piston rod is a cylindrical upper pressure plate; a connecting rod is arranged below the upper pressure plate, and the tail end of the connecting rod is connected with the pressure ring; the other end of the hydraulic cylinder is connected with a hydraulic tank, and a controller is arranged on the hydraulic tank.
Preferably, the height of the press-fitting guide device body C is equal to the height of the carcass when the carcass is horizontally placed.
Compared with the prior art, the invention has the following advantages:
1. the solid tire body is prepared by adopting the polyurethane foaming material, the process is simple, and the efficiency is high;
2. the anti-slip groove is arranged on the side wall of the inner ring of the prepared solid tire body, the anti-slip protrusion matched with the anti-slip groove is arranged on the rim, the anti-slip solid tire is obtained after the tire body and the rim are pressed, the protrusion on the rim is embedded into the groove of the tire body, the binding force of the solid tire body and the rim is increased, the connection between the tire body and the rim is tighter, and the problem of slip between the tire body and the rim is effectively solved;
3. the rim, the spoke and the hub are of an integrated structure, and the solid tire can be fixed on an axle through bolts, so that the structure is compact;
4. a press-fitting guide device is arranged in the press-fitting process, so that the groove in the sidewall of the inner ring of the tire body and the protrusion on the surface of the rim can be accurately positioned; meanwhile, due to the design of the circular truncated cone-shaped structure, the tire body can be quickly pressed into the rim.
In conclusion, the production process is simple and efficient, and the obtained polyurethane solid tire has a good anti-slip effect.
Drawings
FIG. 1 is a schematic view of press-fitting and molding a solid tire;
FIG. 2 is a schematic view of a polyurethane solid carcass;
FIG. 3 is a view of a rim structure;
FIG. 4 is a front view of the rim;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;
FIG. 6 is a structural view of the press-fitting machine;
FIG. 7 is a view showing a press-fitting guide;
FIG. 8 is a view showing the construction of a polyurethane tire for preventing slipping;
fig. 9 is a view showing a structure of a mold.
Reference numerals:
1. the tire body, 2, the rim, 3, the press-mounting machine, 4 and the press-mounting guide device;
11. the tyre comprises a body A, 12, anti-skid grooves, 13 and tyre holes;
21. body B, 22, spoke, 23, hub;
211. a rim 212, a non-slip protrusion;
31. the device comprises a base, 32, a lower pressure plate, 33, a support, 34, a fixed seat, 35, a pressure head, 36, a hydraulic cylinder, 37, a hydraulic tank, 38 and a controller;
321. a placing groove 322 and a positioning bulge;
41. body C, 42, guide protrusion.
Detailed Description
The following description of the embodiments of the present invention refers to the accompanying drawings and examples:
it should be noted that the structures, proportions, sizes, and other dimensions shown in the drawings and described in the specification are only for the purpose of understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined by the following claims, and all modifications of the structures, changes in the proportions and adjustments of the sizes and other dimensions which are within the scope of the disclosure should be understood and encompassed by the present disclosure without affecting the efficacy and attainment of the same.
In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Example (b):
with reference to the attached drawings 1-9, the production process of the anti-skid polyurethane solid tire comprises the following steps:
s1, pouring a polyurethane foaming material into the mold, and obtaining the anti-slip polyurethane solid tire body 1 after foaming and molding; the polyurethane foaming material is an AB two-component material, the A component comprises polyether polyol, an organic tin catalyst, a cross-linking agent and color paste, and the B component is polyisocyanate; uniformly mixing the component A and the component B according to the proportion, pouring the mixture into a mould for foaming and molding, and curing after molding to obtain a matrix 1;
the tyre body 1 comprises a circular body A11, the center of the body A11 is a tyre hole 13, and the side wall of the inner ring of the body A11 is provided with a semi-cylindrical anti-skid groove 12 parallel to the central shaft of the body A11;
s2, fixing the rim 2 on the press-mounting machine 3; the rim 2 comprises a hollow cylindrical body B21, the outer wall diameter of the body B21 is larger than that of the tyre hole 13; the upper end and the lower end of the body B21 are respectively provided with a circular edge 211, a semi-cylindrical antiskid projection 212 corresponding to the antiskid groove 12 of the tire body 1 is arranged between the upper edge 211 and the lower edge of the outer wall of the body B21, and the antiskid projection 212 is parallel to the central shaft of the body B21; the spoke 22 is arranged at the center of the inner side wall of the body B21 along the height direction, and the spoke 22 is connected with the hub 23;
s3, placing the press-fitting guide device 4 on the rim 2; the press-fitting guide device 4 comprises a circular truncated cone body C41 and a semi-cylindrical guide bulge 42 arranged on the side wall of the body C41; the upper end surface and the lower end surface of the guide bulge 42 are respectively positioned on the same plane with the bottom surfaces of the upper circular table and the lower circular table of the body C41; placing the press-fitting guide 4 on the rim 2 with the guide projections 42 aligned with the stud bumps 212 on the rim 2; the diameter of the upper bottom surface of the body C41 is smaller than that of the tire hole 13; the diameter of the lower bottom surface of body C41 is equal to the outer diameter of rim 2 rim 211;
s4, placing the tire body 1 on the press-fitting guide device 4 in a sleeving manner, and clamping the anti-skidding grooves 12 of the tire body 1 with the guide protrusions 42 on the press-fitting guide device 4;
and S5, starting the press-mounting machine 3, and press-mounting the tire body 1 and the rim 2.
Preferably, the a component in step S1 includes: 80 parts of polyether polyol, 20 parts of polyester polyol, 0.2 part of organic tin catalyst, 2 parts of cross-linking agent, 1 part of color paste and 1 part of silicone oil; the component B comprises PM-200; the component A and the component B are evenly mixed according to the weight ratio of 100/50, poured into a mould for foaming and molding, and cured to obtain the tire body 1.
Preferably, the polyether polyol is a mixture of polyether 330N and polyether 2000, and the mixing weight ratio is 50/30; the polyester polyol is polycaprolactone polyol; the organic tin catalyst is dibutyltin dilaurate.
Preferably, the inner side of the tire body 1 in the step S1 is provided with four semi-cylindrical anti-skid grooves 12 equally distributed along the circumference of the central shaft of the body a 11; four semi-cylindrical anti-skid protrusions 212 corresponding to the anti-skid grooves 12 of the tire body 1 are arranged between the upper edge 211 and the lower edge 211 of the outer wall of the body B21 of the rim 2; the body C41 of the press fitting guide device 4 is provided with four semi-cylindrical guide protrusions 42 corresponding to the anti-skid grooves 12 of the tire body 1.
Preferably, in step S2, the anti-slip protrusions 212 are provided with anti-slip patterns (not shown).
Preferably, in step S2, the spoke 22 is circular, the circular ring is distributed with reinforcing ribs arranged at equal intervals, the central hole of the circular ring is connected with the hub 23, the hub 23 is a hollow cylinder with one sealed end, and the sealed end is provided with a screw hole.
Preferably, in step S2, the press-mounting machine 3 includes a base 31, a cylindrical lower platen 32 is provided at the center of the base 31, a cylindrical rim placing groove 321 is provided on the upper surface of the lower platen 32, the height of the placing groove 321 is equal to the thickness of the rim 211 of the rim 2, and the diameter of the placing groove 321 is equal to the outer diameter of the rim 211; a cylindrical positioning bulge 322 is arranged at the center of the placing groove 321, the diameter of the positioning bulge 322 is smaller than the inner diameter of the body B21 of the rim 2, and the height of the positioning bulge is smaller than the distance between the edge 211 of the rim 2 and the adjacent hub 23; two brackets 33 are respectively arranged at the left side and the right side of the base 31, and the top ends of the two brackets 33 are connected with a fixed seat 34 with a central opening; a hydraulic cylinder 36 is arranged on the fixed seat 34, a piston rod of the hydraulic cylinder 36 penetrates through a hole of the fixed seat 34, and the lower end of the hydraulic cylinder is connected with a pressure head 35; the joint of the pressure head 35 and the piston rod is a cylindrical upper pressure plate; a connecting rod is arranged below the upper pressure plate, and the tail end of the connecting rod is connected with the pressure ring; the other end of the hydraulic cylinder is connected with a hydraulic tank 37, and a controller 38 is arranged on the hydraulic tank 37.
Preferably, the height of the body C41 of the press-fitting guide 4 is equal to the height of the carcass 1 when it is horizontally placed.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents and are included in the scope of the present invention.
Claims (8)
1. The production process of the anti-skid polyurethane solid tire is characterized by comprising the following steps of:
s1, pouring a polyurethane foaming material into a mold, and foaming and molding to obtain an anti-slip polyurethane solid tire body (1); the polyurethane foaming material is an AB two-component material, the A component comprises polyether polyol, an organic tin catalyst, a cross-linking agent and color paste, and the B component is polyisocyanate; uniformly mixing the component A and the component B according to the proportion, pouring the mixture into a mould for foaming and molding, and curing after molding to obtain a matrix (1);
the tyre body (1) comprises a circular body A (11), the center of the body A (11) is a tyre hole (13), and the inner ring side wall of the body A (11) is provided with a semi-cylindrical anti-skid groove (12) parallel to the central shaft of the body A (11);
s2, fixing the rim (2) on the press-mounting machine (3); the wheel rim (2) comprises a hollow cylindrical body B (21), and the diameter of the outer wall of the body B (21) is larger than that of the tire hole (13); the upper end and the lower end of the body B (21) are respectively provided with a circular edge (211), a semi-cylindrical antiskid bulge (212) corresponding to the antiskid groove (12) of the tire body (1) is arranged between the upper edge and the lower edge (211) of the outer wall of the body B (21), and the antiskid bulge (212) is parallel to the central shaft of the body B (21); a spoke (22) is arranged at the center of the inner side wall of the body B (21) along the height direction, and the spoke (22) is connected with a hub (23);
s3, placing the press-fitting guide device (4) on the rim (2); the press-fitting guide device (4) comprises a circular truncated cone body C (41) and a semi-cylindrical guide bulge (42) arranged on the side wall of the circular truncated cone body C (41); the upper end surface and the lower end surface of the guide bulge (42) are respectively positioned on the same plane with the bottom surfaces of the upper circular table and the lower circular table of the body C (41); placing the press-fitting guide device (4) on the rim (2), the guide projections (42) being aligned with the anti-skid projections (212) on the rim (2); the diameter of the upper bottom surface of the body C (41) is smaller than that of the tire hole (13); the diameter of the lower bottom surface of the body C (41) is equal to the outer diameter of the edge (211) of the rim (2);
s4, placing the tire body (1) on the press-fitting guide device (4) in a sleeving manner, and clamping the anti-skidding grooves (12) of the tire body (1) with the guide bulges (42) of the press-fitting guide device (4);
s5, starting the press-fitting machine (3), and press-fitting the tire body (1) and the rim (2).
2. The process for producing the anti-slip polyurethane solid tire as claimed in claim 1, wherein the component A in the step S1 comprises: 80 parts of polyether polyol, 20 parts of polyester polyol, 0.2 part of organic tin catalyst, 2 parts of cross-linking agent, 1 part of color paste and 1 part of silicone oil; the component B comprises PM-200; the component A and the component B are evenly mixed according to the weight ratio of 100/50, poured into a mould for foaming and molding, and cured to obtain the tire body (1).
3. The process for producing the anti-slip polyurethane solid tire as claimed in claim 2, wherein the polyether polyol is a mixture of polyether 330N and polyether 2000, and the mixing weight ratio is 50/30; the polyester polyol is polycaprolactone polyol; the organic tin catalyst is dibutyltin dilaurate.
4. The production process of the anti-slip polyurethane solid tire according to the claim 1, wherein in the step S1, the inner side of the tire body (1) is provided with four semi-cylindrical anti-slip grooves (12) which are equidistantly distributed along the circumference of the central shaft of the body A (11); four semi-cylindrical anti-skid protrusions (212) corresponding to the anti-skid grooves (12) of the tire body (1) are arranged between the upper edge and the lower edge (211) of the outer wall of the body B (21) of the rim (2); and four semi-cylindrical guide bulges (42) corresponding to the antiskid grooves (12) of the tire body (1) are arranged on the body C (41) of the press-fitting guide device (4).
5. The process for producing the anti-slip polyurethane solid tire according to claim 1, wherein the anti-slip protrusions (212) are provided with anti-slip patterns in step S2.
6. The production process of the anti-slip polyurethane solid tire as claimed in claim 1, wherein the spokes (22) in step S2 are circular rings, reinforcing ribs are distributed on the circular rings at equal intervals, the central hole of the circular ring is connected with the hub (23), the hub (23) is a hollow cylinder with one end sealed, and the sealed end is provided with a screw hole.
7. The production process of the anti-slip polyurethane solid tire according to claim 1, wherein in the step S2, the press-fitting machine (3) comprises a base (31), a cylindrical lower press plate (32) is arranged at the center of the base (31), a cylindrical rim placing groove (321) is arranged on the upper surface of the lower press plate (32), the height of the placing groove (321) is equal to the thickness of the edge (211) of the rim (2), and the diameter of the placing groove (321) is equal to the outer diameter of the edge (211); a cylindrical positioning bulge (322) is arranged at the center of the placing groove (321), the diameter of the positioning bulge (322) is smaller than the inner diameter of the body B (21) of the rim (2), and the height of the positioning bulge is smaller than the distance between the edge (211) of the rim (2) and the adjacent hub (23); the left side and the right side of the base (31) are respectively provided with two brackets (33), and the top ends of the two brackets (33) are connected with a fixed seat (34) with a central hole; a hydraulic cylinder (36) is arranged on the fixed seat (34), a piston rod of the hydraulic cylinder (36) penetrates through a hole of the fixed seat (34), and the lower end of the hydraulic cylinder is connected with a pressure head (35); the joint of the pressure head (35) and the piston rod is a cylindrical upper pressure plate; a connecting rod is arranged below the upper pressure plate, and the tail end of the connecting rod is connected with the pressure ring; the other end of the hydraulic cylinder is connected with a hydraulic tank (37), and a controller (38) is arranged on the hydraulic tank (37).
8. The production process of the anti-slip polyurethane solid tire as claimed in claim 1, wherein the height of the body C (41) of the press-fitting guide device (4) is equal to the height of the tire body (1) when the tire body is horizontally placed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911212598.XA CN111037958A (en) | 2019-12-02 | 2019-12-02 | Production process of anti-slip polyurethane solid tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911212598.XA CN111037958A (en) | 2019-12-02 | 2019-12-02 | Production process of anti-slip polyurethane solid tire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111037958A true CN111037958A (en) | 2020-04-21 |
Family
ID=70233272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911212598.XA Pending CN111037958A (en) | 2019-12-02 | 2019-12-02 | Production process of anti-slip polyurethane solid tire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111037958A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112622537A (en) * | 2021-01-28 | 2021-04-09 | 厦门丰力机械有限公司 | Solid tire mounting machine and method |
| CN112676789A (en) * | 2020-12-11 | 2021-04-20 | 芜湖集拓实心胎有限公司 | Novel jaw type solid tire assembling press machine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1079745C (en) * | 1995-10-02 | 2002-02-27 | 西坎姆有限公司 | Burst protection device for tire removing machines |
| CN2561617Y (en) * | 2002-07-21 | 2003-07-23 | 李秋贵 | Tyre disassembling devices |
| CN101856951A (en) * | 2009-04-08 | 2010-10-13 | 王翠荣 | Novel hub and tyre assembling mechanism |
| CN202608480U (en) * | 2012-06-11 | 2012-12-19 | 广州市晨旭科技发展有限公司 | Device for mounting non-pneumatic tire in rim |
| CN104228493A (en) * | 2014-09-29 | 2014-12-24 | 中煤能源黑龙江煤化工有限公司 | Tire mounting tool |
| CN106866925A (en) * | 2017-02-24 | 2017-06-20 | 耿佃勇 | Polyurethane solid tyre and preparation method thereof |
| CN208515290U (en) * | 2018-06-25 | 2019-02-19 | 比亚迪股份有限公司 | A kind of tyre assembly and bogie and train with it |
| CN209305259U (en) * | 2018-12-29 | 2019-08-27 | 山东毅狮迈特种轮胎股份有限公司 | A kind of novel Hubei Province formula solid tyre assembling pressure machine |
-
2019
- 2019-12-02 CN CN201911212598.XA patent/CN111037958A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1079745C (en) * | 1995-10-02 | 2002-02-27 | 西坎姆有限公司 | Burst protection device for tire removing machines |
| CN2561617Y (en) * | 2002-07-21 | 2003-07-23 | 李秋贵 | Tyre disassembling devices |
| CN101856951A (en) * | 2009-04-08 | 2010-10-13 | 王翠荣 | Novel hub and tyre assembling mechanism |
| CN202608480U (en) * | 2012-06-11 | 2012-12-19 | 广州市晨旭科技发展有限公司 | Device for mounting non-pneumatic tire in rim |
| CN104228493A (en) * | 2014-09-29 | 2014-12-24 | 中煤能源黑龙江煤化工有限公司 | Tire mounting tool |
| CN106866925A (en) * | 2017-02-24 | 2017-06-20 | 耿佃勇 | Polyurethane solid tyre and preparation method thereof |
| CN208515290U (en) * | 2018-06-25 | 2019-02-19 | 比亚迪股份有限公司 | A kind of tyre assembly and bogie and train with it |
| CN209305259U (en) * | 2018-12-29 | 2019-08-27 | 山东毅狮迈特种轮胎股份有限公司 | A kind of novel Hubei Province formula solid tyre assembling pressure machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112676789A (en) * | 2020-12-11 | 2021-04-20 | 芜湖集拓实心胎有限公司 | Novel jaw type solid tire assembling press machine |
| CN112622537A (en) * | 2021-01-28 | 2021-04-09 | 厦门丰力机械有限公司 | Solid tire mounting machine and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110573353B (en) | Tyre with spoke ring | |
| US10112442B2 (en) | Non-pneumatic tire | |
| US20150013863A1 (en) | Tire With Pre-Formed Tread And Method Of Making Same | |
| AU2005202095B2 (en) | Solid rubber tire with flexible hub and replaceable tire tread | |
| WO2016100017A1 (en) | Tire with arched spokes | |
| CN111037958A (en) | Production process of anti-slip polyurethane solid tire | |
| WO2018115939A1 (en) | Method of mounting a non-pneumatic tire onto a hub | |
| US11904561B2 (en) | Tire with shaped tread | |
| WO2015036815A1 (en) | Unitary wheel for ground service supporting equipment | |
| CN211251396U (en) | Production device for anti-skid polyurethane solid tire | |
| RU2577271C1 (en) | Device for production of polyurethane tire with filler of foamed polyurethane | |
| CA2968822C (en) | Method of applying a post cure laminate to a tire | |
| TW201604045A (en) | Wheel | |
| US20240326366A1 (en) | Segmented curing ring for npt elastomer bands | |
| JP7398568B2 (en) | Non-pneumatic tires with molded sidewall covers | |
| CN118524940A (en) | System and method for manufacturing a belt and tread assembly for a non-pneumatic tire | |
| WO2024191578A1 (en) | System and method for building a band assembly for a tire | |
| EP0332288A2 (en) | Tyre construction | |
| WO2024167597A1 (en) | System and method for making a non-pneumatic tire | |
| JP2023056127A (en) | Airless tire and method for manufacturing the same | |
| WO2024191554A1 (en) | System and method for curing a tread band assembly for a non-pneumatic tire | |
| JP2016049626A (en) | Retreaded tire production method and retreaded tire |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200421 |
|
| RJ01 | Rejection of invention patent application after publication |