CN107379883B - Bassinet package injection wheel and manufacturing method - Google Patents
Bassinet package injection wheel and manufacturing method Download PDFInfo
- Publication number
- CN107379883B CN107379883B CN201710549360.0A CN201710549360A CN107379883B CN 107379883 B CN107379883 B CN 107379883B CN 201710549360 A CN201710549360 A CN 201710549360A CN 107379883 B CN107379883 B CN 107379883B
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- tire
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- rim
- main body
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 50
- 238000002347 injection Methods 0.000 title claims abstract description 16
- 239000007924 injection Substances 0.000 title claims abstract description 16
- 230000008093 supporting effect Effects 0.000 claims description 29
- 238000001746 injection moulding Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 5
- 230000007547 defect Effects 0.000 abstract 1
- 238000000465 moulding Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000005187 foaming Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B1/00—Spoked wheels; Spokes thereof
- B60B1/02—Wheels with wire or other tension spokes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1676—Making multilayered or multicoloured articles using a soft material and a rigid material, e.g. making articles with a sealing part
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B21/00—Rims
- B60B21/06—Rims characterised by means for attaching spokes, i.e. spoke seats
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/02—Hubs adapted to be rotatably arranged on axle
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- 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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
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- 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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/32—Wheels, pinions, pulleys, castors or rollers, Rims
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Tires In General (AREA)
Abstract
The invention discloses a manufacturing method capable of integrally forming a wheel main body of a baby carrier and a wheel cover sleeved on the surface of the wheel main body, wherein the wheel cover is directly formed on the surface of a tire by the manufacturing method without sleeving, so that the production process is simplified, the production efficiency is improved, and the production cost is reduced; the invention also provides a bassinet package injection wheel, the wheel skin is tightly combined with the wheel main body, the appearance is attractive, the quality is stable, and the defect that the wheel skin of the common bassinet wheel is easy to fall off and loose is avoided.
Description
Technical Field
The invention relates to a baby carrier, in particular to a manufacturing method of a baby carrier package injection wheel and a manufactured wheel.
Background
At present, the wheels of the children's vehicles on the market generally consist of a hard hub and a soft hub, wherein the hard hub is used for forming and supporting the whole shape of the wheels, and the soft hub is used for enhancing friction and reducing the whole vibration of the children's vehicle. Most wheel hubs and wheel skins are formed separately, the wheel hubs are formed by injection molding, the wheel skins are formed by a foaming process, and the wheel skins are connected with the wheel hubs by screws.
The wheel manufactured with this structure has several drawbacks:
(1) The processing and manufacturing are troublesome, the assembly procedures are more, and the time cost and the labor cost are wasted;
(2) The wheel skin and the wheel hub which are separately processed are easy to cause too tight fit or too loose, the too tight wheel skin is difficult to assemble, and the too loose wheel skin is easy to fall off and bulge in the use process;
(3) The wheel skin of the foaming process is easy to generate irrecoverable deformation when being extruded by external force for a long time, so that the wheel skin is wrinkled, the anti-slip coefficient is reduced, the appearance is influenced, and the low-grade product impression is caused for consumption.
Disclosure of Invention
The invention aims to provide a manufacturing method capable of integrally forming a wheel main body and a wheel cover sleeved on the surface of the wheel main body, which simplifies and improves the production process and improves the product quality.
Another object of the present invention is to provide a stroller wheel manufactured by the above manufacturing method.
The invention comprises the following technical characteristics:
the manufacturing method of the bassinet package injection wheel comprises the steps of manufacturing a main body die of a wheel main body for forming a wheel shaft, a spoke, a rim and a tire, manufacturing a wheel skin die by injection molding the main body die for forming the wheel shaft, the spoke, the rim and the tire, and forming a wheel skin by injection molding the wheel skin die, and comprises the following steps:
(1) And (3) manufacturing a main body mold: manufacturing a main body mold according to the shape of the wheel except the wheel skin, and dividing the main body mold into a first mold and a second mold in the thickness direction of the wheel;
(2) Respectively forming the wheel main bodies: respectively injection molding a first part and a second part of the wheel in a first mold and a second mold, wherein the central axes of the two parts are consistent;
(3) The main body of the wheel is spliced: the first part and the second part of the wheel main body are spliced together according to the shape, the position and the like of each part to form a complete wheel main body, the wheel axle can be directly used for mounting, and an annular groove is formed on the outer surface of a tire of the wheel main body;
(4) Wheel skin die combination: sleeving another sleeving mold on the wheel main body manufactured in the previous step, wrapping the groove on the outer surface of the tire, and combining the sleeving mold with the wheel to form a wheel skin mold;
(5) Forming a wheel cover: and (3) injection molding the wheel skin in the wheel skin mold manufactured in the last step to form the wheel skin.
The inventor has observed and developed for a long time, and found that the wheel skin of many wheels of the baby carriage is easy to wrinkle, loose and other conditions in the use process, and the improvement space is not large in material direction analysis. Then, starting from the manufacturing method, the traditional manufacturing method of the wheel of the baby carrier is to separately manufacture a wheel main body and a wheel skin, wherein the wheel main body is formed by injection molding, the wheel skin is foamed or injection molded, and the wheel skin is sleeved on the wheel main body after the wheel main body and the wheel skin are respectively manufactured, and the wheel skin is assembled in a matched mode, so that the assembling difficulty is high when the wheel skin is overtightened, and the production efficiency is low; when the wheel skin is too loose, the wheel skin is easy to loose when in use, and the product quality can not be ensured.
Based on the prior art, the inventor directly changes the original annular groove on the tire into a part of the cavity of the wheel skin injection mold through the steps (4) and (5), and then makes another mold to be matched with the groove on the original tire, so as to form a new mold, namely the wheel skin mold. The arrangement can directly mold the wheel skin on the surface of the tire, and the wheel skin can be well connected with the surface of the tire.
For consumers, the wheel skin is not easy to cause wrinkling and falling off in the use process, and each part of the wheel is formed into a whole, so that the wheel is attractive in appearance and high in end atmosphere.
For manufacturers, from the aspect of die design analysis, the die is divided into almost symmetrical two parts when the wheel main body is molded, the two parts can be molded simultaneously, the molding time is saved by nearly half compared with the integral one-time molding, the die design difficulty of the two halves is greatly smaller than that of the integral molding, and the product is easier to be demolded after being molded; the original product is used as a part of a forming die in the next working procedure, so that the difficulty in manufacturing a second set of die can be reduced, and the cost for manufacturing the die is reduced; from the analysis of the connection mode, the process of sleeving the wheel skin on the tire in the manufacturing process is reduced by directly forming the wheel skin on the surface of the tire, the difficulty caused by the fact that the wheel skin is matched with the main body of the wheel due to different tightness degree in the process is avoided, screws and the like are not required to be added on the surface of the wheel skin to prevent falling, and the quality is more stable and reliable.
Preferably, the first mold and the second mold adopt positioning pins to enable the center lines of the first mold and the second mold to be on the same straight line. The molding size is fixed by the die size, so that the center lines of the two parts of wheels are mainly only required to be ensured to be on the same straight line. The two sets of die center lines of the wheel main body are positioned at the same position by adopting the locating pin, so that the center lines of wheel shafts of two formed wheels can be ensured to be consistent even in the process of separate forming, and therefore, the wheels can not be misplaced when being spliced into the whole of the wheel main body, and can completely rotate by taking the axis of the center of a circle as the center when rolling.
Preferably, a plurality of connecting holes corresponding to each other are respectively arranged on the first part and the second part of the injection molded wheel, and the first part and the second part are connected together through the connecting holes by adopting bolt connection. The formed wheel main body is formed by two parts, the two parts are connected in various modes, as a preferred scheme, the connecting holes are formed in the two parts of the wheel directly, the first part and the second part are connected together through the bolt connection, the bolt structure is good in fixing effect, large pressure can be borne, the processing and manufacturing are simple, and the function of the wheel main body can be well completed.
The invention also provides a wheel manufactured by the method.
Such wheels include axles, spokes, rims, tires, and wheel covers, the spokes being disposed around the axles; the rim is annular, surrounds the spokes, and the inner surface of the rim is connected with the spokes; the outer surface of the tire ring rim is provided with a wheel skin which is arranged on the outer surface of the tire,
the wheel shaft is cylindrical, and protruding parts are arranged on two circular end surfaces of the cylindrical wheel shaft;
the spoke consists of a plurality of supporting rods which are uniformly distributed between the wheel shaft and the wheel rim;
the tire is integrally formed with the rim, the spoke and the wheel shaft, and an annular groove is formed in the outer surface of the tire;
the wheel skin is elastic and is arranged in an annular groove on the outer surface of the tire.
The whole structure of the wheel of the baby carrier is provided with the simulated wheel, and comprises a wheel shaft, a spoke, a rim and a tire, so that the whole simulation of the baby carrier is enhanced, and the baby carrier is high-grade and attractive in appearance; the main function of the wheel axle is that the wheel is integrally arranged on the baby carrier, the cylindrical wheel axle is convenient for the wheel to rotate under the support of the wheel axle, and the protruding part is arranged at the end part of the wheel axle, so that the wheel can be more conveniently arranged on the structure of the baby carrier for supporting the wheel, and other structures arranged on the wheel axle can not be influenced; the support rods are mainly used for supporting the rim and the tire, and the plurality of support rods which are uniformly distributed can ensure that the rim is uniformly stressed when the wheel rolls, so that the wheel is not easy to deform; the special annular groove of the tire is used for arranging the wheel skin, the wheel skin is better in fixing effect in the groove, slipping is not easy to occur, and the stability of the wheel is improved; the elastic wheel skin can absorb shock, improve riding comfort and safety of a user, and protect a hard tire.
The protruding part is cylindrical, the cross-sectional diameter of the protruding part is smaller than that of the wheel axle, the axis of the cylindrical protruding part and the axis of the cylindrical wheel axle are on the same straight line, one end face of the cylindrical protruding part is connected with the end face of the wheel axle, and the other end face of the cylindrical protruding part is provided with an assembly hole. The convex part is required to be arranged at the corresponding supporting part of the baby carrier during the installation, and the axis of the convex part and the axis of the cylindrical wheel shaft are on the same straight line, so that the stability of the wheel during the rotation can be ensured; the assembly hole that the bulge terminal surface set up can further fix the bulge on the bassinet, can not drop in the use, causes the bassinet out of control.
Each supporting rod is a total rod connected with two supporting rods, the supporting rods are in a Y shape, the total rod of each supporting rod is connected with a wheel shaft, the supporting rods of each supporting rod are connected with the inner surface of the wheel rim, and the straight line of the total rod passes through the axis of the wheel shaft. The inventor considers that the two ends connected with the support rod are respectively connected with the wheel axle and the wheel rim, and the surface area of the wheel axle is far smaller than the surface area of the wheel rim, in order to utilize the wheel rim to the greatest extent to achieve the best supporting effect, the support rod is specially designed into a Y shape, wherein the lower part of the Y shape is connected with the wheel axle with small surface area, and the upper part with more branches is connected with the inner surface of the wheel rim with large surface area, so that the purpose of fully supporting the wheel rim is achieved.
The annular periphery of rim is equipped with a plurality of echelonment annular that the diameter increases gradually, and every echelonment annular end to end. The stepped annular shape arranged on the rim makes the rim structure complex, highly simulates the real vehicle rim, makes the wheel side combined with the support rod more attractive and elegant in shape, and can improve the pleasure of children when using the whole vehicle.
The tire is characterized in that three-dimensional lines are arranged on the outer surface of the tire, the annular groove is arranged in the middle of the outer surface of the tire, and the width of the groove is smaller than that of the outer surface of the tire.
The tire, the rim, the spoke and the wheel shaft are made of hard plastic, and the wheel cover is made of soft elastic plastic.
The three-dimensional lines arranged on the outer surface of the tire can enhance the friction of the outer surface of the tire, prevent the wheel from slipping and enhance the ground grabbing force of the wheel; when the wheel is used, the place with the largest contact frequency with the ground is the middle of the wheel, so that the elastic wheel skin which can resist friction is arranged at the place, the width of the wheel skin is smaller than that of the outer surface, so that the hard tire can also contact the ground, and the hard tire, the rim, the spoke and the wheel axle can provide a powerful supporting effect for the wheel, thereby achieving the maximum utilization rate of soft and hard combination; the tire, the rim, the spoke and the wheel shaft all use hard plastic materials, so that the tire, the rim, the spoke and the wheel shaft can be conveniently formed by one-time injection molding and form a hard main body of the wheel, and the plastic wheel skin is conveniently formed by two-time injection molding by adopting plastic.
The wheel skin is annular, the inner surface is connected with the outer surface of the tire, the outer surface of the wheel skin is provided with three-dimensional lines, and the thickness of the wheel skin is larger than the depth of the groove. The concave or convex three-dimensional lines can be formed on the wheel skin, the skid resistance of the wheel can be further enhanced, the thickness of the three-dimensional lines is larger than that of the groove, the wheel skin can be integrally protruded, the wheel skin is the skid-proof core of the wheel, and the skid resistance effect can be maximized due to the protruding arrangement.
Drawings
FIG. 1 is a perspective view of the one stroller wheel;
fig. 2 is an exploded view of the wheel of the stroller.
Detailed Description
The invention aims to provide a manufacturing method capable of integrally forming a wheel main body and a wheel cover sleeved on the surface of the wheel main body. The manufacturing method simplifies the production process and reduces the difficulty in manufacturing the wheels of the baby carriage.
Referring to fig. 1 and 2, a bassinet package injection wheel obtained by the manufacturing method comprises a wheel axle 1, a wheel disc 2, a wheel rim 3, a tire 4 and a wheel cover 5, wherein the wheel disc 2 is arranged around the wheel axle 1; the rim 3 is annular, surrounds the spoke 2, and the inner surface of the rim 3 is connected with the spoke 2; the tyre 4 is arranged around the outer surface of the rim 3, the wheel cover 5 is arranged on the outer surface of the tyre 4,
the wheel axle 2 is cylindrical, and protruding parts 11 are arranged on two circular end surfaces of the cylindrical wheel axle 2;
the spoke 2 consists of a plurality of supporting rods 21, and the supporting rods 21 are uniformly distributed between the wheel axle 1 and the wheel rim 3;
the tire 4 is integrally formed with the rim 3, the spoke 2 and the wheel shaft 1, and an annular groove 41 is formed in the outer surface of the tire 4;
the wheel cover 4 is elastic and is arranged in an annular groove 41 on the outer surface of the tyre 4.
The wheel of the baby carrier is provided with the simulated wheel, and comprises the wheel shaft 1, the wheel disc 2, the wheel rim 3 and the tyre 4, so that the whole simulation of the baby carrier is enhanced, and the baby carrier is high-grade and attractive in appearance; the main function of the wheel axle 1 is that the wheel is integrally arranged on the baby carrier, the cylindrical wheel axle 1 is convenient for the wheel to rotate under the support of the wheel axle 1, and the protruding part 11 is arranged at the end part of the wheel axle 1, so that the wheel can be more conveniently arranged on the structure of the baby carrier for supporting the wheel, and other structures arranged on the wheel axle 1 can not be influenced; the support rods 2 are mainly used for supporting the rim 3 and the tire 4, and the plurality of uniformly distributed support rods 2 can ensure that the rim 3 is uniformly stressed when the wheel rolls, so that the wheel is not easy to deform; the tire 4 is specially provided with the annular groove 41 for arranging the wheel skin 5, the wheel skin 5 is better in fixing effect in the groove 41 and is not easy to slip, and the stability of the wheel is improved; the elastic wheel cover 5 can absorb shock, improve riding comfort and safety of a user, and protect a hard tire.
The protruding part 11 is cylindrical, the cross-section diameter of the protruding part 11 is smaller than that of the wheel axle 1, the axis of the cylindrical protruding part 11 and the axis of the cylindrical wheel axle 1 are on the same straight line, one end face of the cylindrical protruding part 11 is connected with the end face of the wheel axle 1, and the other end face of the cylindrical protruding part is provided with an assembly hole 12. The convex part 11 is required to be arranged at the corresponding supporting part of the baby carrier during installation, and the axis of the convex part 11 and the axis of the cylindrical wheel shaft 1 are on the same straight line, so that the stability of the wheels during rotation can be ensured; the mounting hole 12 that bulge 11 terminal surface set up can further fix bulge 11 on the bassinet, can not drop in the use, causes the bassinet out of control.
Each supporting rod 21 is a total rod connected with two supporting rods, the supporting rods are Y-shaped, the total rod of each supporting rod 21 is connected with the wheel axle 1, the supporting rods are connected with the inner surface of the wheel rim 3, and the straight line of the total rod passes through the axis of the wheel axle 1. Considering that the two ends connected by the support rod 21 are respectively connected with the wheel axle 1 and the wheel rim 3, the surface area of the wheel axle 1 is far smaller than that of the wheel rim 3, in order to utilize the wheel rim 3 to the greatest extent to achieve the best supporting effect, the inventor designs the support rod 21 in a Y shape, wherein the lower part of the Y shape is connected with the wheel axle 1 with small surface area, and the upper part of the Y shape is connected with the inner surface of the wheel rim 3 with large surface area, so that the purpose of fully supporting the wheel rim 3 is achieved.
The annular periphery of the rim 3 is provided with a plurality of stepped annular shapes with gradually increased diameters, and each stepped annular shape is connected end to end. The stepped annular shape arranged on the rim 3 makes the rim structure complex, highly simulates the real vehicle rim, makes the wheel side combined with the support rod 2 more attractive and elegant in shape, and can improve the pleasure of children when using the whole vehicle.
The outer surface of the tire 4 is provided with three-dimensional lines, the annular groove 41 is arranged in the middle of the outer surface of the tire 4, and the width of the groove 41 is smaller than that of the outer surface of the tire 4.
The tire 4, the rim 3, the spoke 2 and the wheel shaft 1 are all made of hard plastic, and the wheel cover 5 is made of soft elastic plastic.
The three-dimensional lines arranged on the outer surface of the tire 4 can enhance the friction of the outer surface of the tire 4, prevent the wheel from slipping and enhance the ground grabbing force of the wheel; when the wheel is used, the place with the largest contact frequency with the ground is the middle of the wheel, so that the elastic wheel skin 5 which can resist friction is arranged at the place, the width of the wheel skin 5 is smaller than that of the outer surface, so that the hard tire can also contact the ground, and the hard tire 4, the rim 3, the spoke 2 and the wheel axle 1 can provide a powerful supporting effect for the wheel, thereby achieving the maximum utilization rate of soft-hard combination; the tire 4, the rim 3, the spoke 2 and the wheel shaft 1 all use the same hard plastic material, so that the tire can be conveniently formed by one-time injection molding and form a hard main body of the wheel, and the plastic wheel cover 5 is conveniently formed by two-time injection molding by adopting plastic.
The wheel cover 5 is annular, the inner surface is connected with the outer surface of the tire, the outer surface of the wheel cover is provided with three-dimensional lines, and the thickness of the wheel cover 5 is larger than the depth of the groove 41. The concave or convex three-dimensional lines can be formed on the wheel skin 5, the skid resistance of the wheel can be further enhanced, the thickness of the three-dimensional lines is larger than that of the groove 41, the wheel skin 5 can be integrally protruded, the wheel skin 5 is an anti-skid core of the wheel, and the protruding arrangement can enable the anti-skid effect to be maximum.
The manufacturing method of the bassinet package injection wheel comprises the steps of manufacturing a main body die of a wheel main body for forming a wheel shaft 1, a wheel spoke 2, a wheel rim 3 and a tire 4, manufacturing a wheel skin die by injection molding the wheel shaft 1, the wheel spoke 2, the wheel rim 3 and the tire 4 into the main body die, and forming a wheel skin by injection molding the wheel skin die, and comprises the following steps:
(1) And (3) manufacturing a main body mold: manufacturing a main body mold according to the shape of the wheel except the wheel skin, and dividing the main body mold into a first mold and a second mold in the thickness direction of the wheel;
(2) Respectively forming the wheel main bodies: respectively injection molding a first part and a second part of the wheel in a first mold and a second mold, wherein the central axes of the two parts are consistent;
(3) The main body of the wheel is spliced: the first part and the second part of the wheel body are spliced together according to the shape, the position and the like of each part to form a complete wheel body, the wheel shaft 1 can be directly used for mounting, and an annular groove 41 is formed on the outer surface of the tyre 4 of the wheel body;
(4) Wheel skin die combination: sleeving another sleeving mold on the wheel main body manufactured in the previous step, wrapping the groove on the outer surface of the tire 4, and combining the sleeving mold and the wheel to form a wheel skin 41 mold;
(5) And (3) forming a wheel cover 5: the wheel skin 5 is formed by injection molding in the wheel skin mold manufactured in the last step.
The inventor has observed and developed for a long time, and found that the wheel skin 5 of many wheels of the baby carriage is easy to wrinkle, loose and the like in the use process, and the improvement space is not large from the material direction analysis. Then, starting from the manufacturing method, the traditional manufacturing method of the wheels of the baby carrier is to separately manufacture a wheel main body and a wheel cover 5, wherein the wheel main body is formed by injection molding, the wheel cover 5 is foamed or injection molded, and the wheel cover 5 is sleeved on the wheel main body after the wheel main body and the wheel cover 5 are respectively manufactured, and the wheel cover 5 is assembled in a matched mode, so that the assembling difficulty is high when the wheel cover 5 is overtightened, and the production efficiency is low; when the wheel skin 5 is too loose, the wheel skin is easy to loose when in use, and the product quality can not be ensured.
Based on the prior art, the inventor directly changes the original annular groove 41 on the tire 4 into a part of the cavity of the wheel skin injection mold through the steps (3) and (4), and then makes another mold to be matched with the groove 41 on the original tire, so as to form a new set of mold, namely the wheel skin mold. The arrangement can directly mold the wheel cover 5 on the surface of the tire, and the wheel cover 5 can be well connected with the surface of the tire 4.
For consumers, the wheel skin 5 is not easy to cause wrinkling and falling off in the use process, and each part of the wheel is formed into a whole, so that the wheel is attractive in appearance and high in end atmosphere.
For manufacturers, from the aspect of die design analysis, the die is divided into almost symmetrical two parts when the wheel main body is molded, the two parts can be molded simultaneously, the molding time is saved by nearly half compared with the integral one-time molding, the die design difficulty of the two halves is greatly smaller than that of the integral molding, and the product is easier to be demolded after being molded; the original product is used as a part of a forming die in the next working procedure, so that the difficulty in manufacturing a second set of die can be reduced, and the cost for manufacturing the die is reduced; from the aspect of the connection mode, the process of sleeving the wheel skin 5 on the tire 4 in the manufacturing process is reduced by analyzing the wheel skin 5 directly formed on the surface of the tire 4, the difficulty caused by the fact that the wheel skin is matched with the wheel main body due to different tightness degrees in the process can be avoided, screws and the like are not required to be added on the surface of the wheel skin 5 to prevent falling, and the quality is more stable and reliable.
Preferably, the first mold and the second mold adopt positioning pins to enable the center lines of the first mold and the second mold to be on the same straight line. The molding size is fixed by the die size, so that the center lines of the two parts of wheels are mainly only required to be ensured to be on the same straight line. The two sets of die center lines of the wheel main body are positioned at the same position by adopting the locating pin, so that the center lines of wheel shafts of two formed wheels can be ensured to be consistent even in the process of separate forming, and therefore, the wheels can not be misplaced when being spliced into the whole of the wheel main body, and can completely rotate by taking the axis of the center of a circle as the center when rolling.
Preferably, a plurality of connecting holes corresponding to each other are respectively arranged on the first part and the second part of the injection molded wheel, and the first part and the second part are connected together through the connecting holes by adopting bolt connection. The formed wheel main body is formed by two parts, the two parts are connected in various modes, as a preferred scheme, the connecting holes are formed in the two parts of the wheel directly, the first part and the second part are connected together through the bolt connection, the bolt structure is good in fixing effect, large pressure can be borne, the processing and manufacturing are simple, and the function of the wheel main body can be well completed.
Variations and modifications to the above would be obvious to persons skilled in the art to which the invention pertains from the foregoing description and teachings. Therefore, the invention is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the invention should be also included in the scope of the claims of the invention. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present invention in any way.
Claims (7)
1. The manufacturing method of the bassinet package injection wheel comprises the steps of manufacturing a main body die of a wheel main body for forming a wheel shaft, a spoke, a rim and a tire, manufacturing a wheel skin die by injection molding the main body die for forming the wheel shaft, the spoke, the rim and the tire, and injection molding the wheel skin die for forming the wheel skin, and is characterized by comprising the following steps of:
(1) And (3) manufacturing a main body mold: manufacturing a main body mold according to the shape of the wheel except the wheel skin, and dividing the main body mold into a first mold and a second mold in the thickness direction of the wheel;
(2) Respectively forming the wheel main bodies: respectively injection molding a first part and a second part of the wheel in a first mold and a second mold, wherein the central axes of the two parts are consistent;
(3) The main body of the wheel is spliced: the first part and the second part of the wheel main body are spliced together according to the shape, the position and the like of each part to form a complete wheel main body, the wheel axle can be directly used for mounting, and an annular groove is formed on the outer surface of a tire of the wheel main body;
(4) Wheel skin die combination: sleeving another sleeving mold on the wheel main body manufactured in the previous step, wrapping the groove on the outer surface of the tire, and combining the sleeving mold with the wheel to form a wheel skin mold;
(5) Forming a wheel cover: the wheel skin is formed by injection molding in the wheel skin mould manufactured in the last step;
the tire, rim, spoke and shaft material all adopt the stereoplasm plastic, the wheel skin adopts soft elasticity plastic, and the wheel is in the middle of the wheel when using, and the biggest department of ground contact frequency is the wheel, sets up elasticity and antifriction's wheel skin here, and the wheel skin width is less than the width of surface makes stereoplasm tire contact ground too, and stereoplasm tire, rim, spoke and shaft provide powerful supporting effect for the wheel to reach the biggest utilization ratio of softness and hardness combination.
2. The method for manufacturing a wheel for a child car according to claim 1, wherein the first mold and the second mold are aligned with each other by using a positioning pin.
3. The manufacturing method of the bassinet package injection wheel of claim 1, wherein a plurality of connecting holes which are in one-to-one correspondence are respectively arranged on the first part and the second part of the injection molded wheel, and the first part and the second part are connected together through the connecting holes by adopting bolt connection.
4. A stroller pack wheel made according to the method of any one of claims 1 to 3, comprising an axle, a spoke, a rim, a tire and a wheel skin, the spoke being disposed around the axle; the rim is annular, surrounds the spokes, and the inner surface of the rim is connected with the spokes; the outer surface of the tire ring rim is provided with a wheel cover which is arranged on the outer surface of the tire, and the tire ring rim is characterized in that,
the wheel shaft is cylindrical, and protruding parts are arranged on two circular end surfaces of the cylindrical wheel shaft;
the spoke consists of a plurality of supporting rods which are uniformly distributed between the wheel shaft and the wheel rim;
the tire is integrally formed with the rim, the spoke and the wheel shaft, and an annular groove is formed in the outer surface of the tire;
the wheel skin is elastic and is arranged in an annular groove on the outer surface of the tire; the outer surface of the tire is provided with three-dimensional lines, the annular groove is arranged in the middle of the outer surface of the tire, and the width of the groove is smaller than that of the outer surface of the tire; the wheel skin is annular, the inner surface is connected with the outer surface of the tire, the outer surface of the wheel skin is provided with three-dimensional lines, and the thickness of the wheel skin is larger than the depth of the groove.
5. The wheel of claim 4, wherein the protruding portion is cylindrical, the cross-sectional diameter of the protruding portion is smaller than the cross-sectional diameter of the wheel axle, the axis of the cylindrical protruding portion is on the same straight line with the axis of the cylindrical wheel axle, one end face of the protruding portion is connected with the end face of the wheel axle, and the other end face of the protruding portion is provided with an assembly hole.
6. The wheel of claim 4, wherein each support bar is a total bar connected with two support bars, the support bar is generally Y-shaped, the total bar of the support bar is connected with the wheel axle, the support bars are connected with the inner surface of the wheel rim, and the straight line of the total bar passes through the axis of the wheel axle.
7. A stroller pack wheel according to claim 4, wherein the annular periphery of the rim is provided with a plurality of stepped annular shapes of progressively increasing diameter, each stepped annular shape being joined end to end.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710549360.0A CN107379883B (en) | 2017-07-07 | 2017-07-07 | Bassinet package injection wheel and manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710549360.0A CN107379883B (en) | 2017-07-07 | 2017-07-07 | Bassinet package injection wheel and manufacturing method |
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| CN107379883A CN107379883A (en) | 2017-11-24 |
| CN107379883B true CN107379883B (en) | 2023-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710549360.0A Active CN107379883B (en) | 2017-07-07 | 2017-07-07 | Bassinet package injection wheel and manufacturing method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110435356A (en) * | 2019-08-23 | 2019-11-12 | 嘉兴水石箱包有限公司 | A kind of Universal wheel for luggage |
Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1386593A (en) * | 1971-02-19 | 1975-03-12 | Revvo Castor Co Ltd | Production of rotary elements |
| CN2422159Y (en) * | 2000-03-28 | 2001-03-07 | 刘金成 | Castor with hollow hub |
| KR20080048679A (en) * | 2006-11-29 | 2008-06-03 | 황건이 | Emitting light wheel |
| CN201472062U (en) * | 2009-08-07 | 2010-05-19 | 华尔达（厦门）塑胶有限公司 | Wheel hub being manufactured by injection molding method |
| CN201520160U (en) * | 2009-11-02 | 2010-07-07 | 蒋忠明 | Lift caster with high-strength structure |
| CN102228951A (en) * | 2011-04-26 | 2011-11-02 | 哈尔滨哈飞工业有限责任公司 | Chambering-forging forming method for aluminum alloy hub with complex structure and die thereof |
| CN202200773U (en) * | 2011-08-16 | 2012-04-25 | 怡人工艺品（宁波）有限公司 | Perambulator wheel |
| CN202727884U (en) * | 2012-08-13 | 2013-02-13 | 宁波舒博曼斯体育健身器材有限公司 | Rubber coating tire for perambulator |
| CN202986660U (en) * | 2013-01-19 | 2013-06-12 | 平湖市飞龙童车有限公司 | Wheel used for baby carrier |
| CN203006480U (en) * | 2012-12-20 | 2013-06-19 | 深圳市华星光电技术有限公司 | Roller and conveying device |
| CN203567475U (en) * | 2013-11-22 | 2014-04-30 | 戴亦飞 | Tyre for children bicycle |
| CN203793046U (en) * | 2014-03-31 | 2014-08-27 | 吴家明 | Non-inflatable wheel |
| CN104349880A (en) * | 2012-06-12 | 2015-02-11 | 三菱丽阳株式会社 | Molding method for fiber-reinforced plastic structure, and vehicle wheel |
| CN204236133U (en) * | 2014-10-01 | 2015-04-01 | 温州市红鹰箱包配件有限公司 | Roller wheel |
| CN204526671U (en) * | 2015-02-03 | 2015-08-05 | 好孩子儿童用品有限公司 | Pushchair |
| CN204605385U (en) * | 2015-05-04 | 2015-09-02 | 蔡红叨 | Trolley wheel wheel hub |
| CN105561593A (en) * | 2015-12-22 | 2016-05-11 | 广东信宇科技实业有限公司 | Amphibious toy car |
| CN106079276A (en) * | 2016-08-11 | 2016-11-09 | 广州市浩顺模具科技有限公司 | A kind of foaming with gas injection mold and injection moulding process |
| CN106696611A (en) * | 2016-12-19 | 2017-05-24 | 平湖市骑乐士童车有限公司 | Child vehicle light emitting wheel |
| CN106827941A (en) * | 2016-12-20 | 2017-06-13 | 平湖市飞驰童车有限公司 | A kind of wheel for perambulator |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8037911B2 (en) * | 2008-09-04 | 2011-10-18 | Geo Plastics | Wheel including tread coupled to rim |
| WO2014066925A1 (en) * | 2012-10-30 | 2014-05-08 | Inautec Pty Limited | Castor wheel assembly |
-
2017
- 2017-07-07 CN CN201710549360.0A patent/CN107379883B/en active Active
Patent Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1386593A (en) * | 1971-02-19 | 1975-03-12 | Revvo Castor Co Ltd | Production of rotary elements |
| CN2422159Y (en) * | 2000-03-28 | 2001-03-07 | 刘金成 | Castor with hollow hub |
| KR20080048679A (en) * | 2006-11-29 | 2008-06-03 | 황건이 | Emitting light wheel |
| CN201472062U (en) * | 2009-08-07 | 2010-05-19 | 华尔达（厦门）塑胶有限公司 | Wheel hub being manufactured by injection molding method |
| CN201520160U (en) * | 2009-11-02 | 2010-07-07 | 蒋忠明 | Lift caster with high-strength structure |
| CN102228951A (en) * | 2011-04-26 | 2011-11-02 | 哈尔滨哈飞工业有限责任公司 | Chambering-forging forming method for aluminum alloy hub with complex structure and die thereof |
| CN202200773U (en) * | 2011-08-16 | 2012-04-25 | 怡人工艺品（宁波）有限公司 | Perambulator wheel |
| CN104349880A (en) * | 2012-06-12 | 2015-02-11 | 三菱丽阳株式会社 | Molding method for fiber-reinforced plastic structure, and vehicle wheel |
| CN202727884U (en) * | 2012-08-13 | 2013-02-13 | 宁波舒博曼斯体育健身器材有限公司 | Rubber coating tire for perambulator |
| CN203006480U (en) * | 2012-12-20 | 2013-06-19 | 深圳市华星光电技术有限公司 | Roller and conveying device |
| CN202986660U (en) * | 2013-01-19 | 2013-06-12 | 平湖市飞龙童车有限公司 | Wheel used for baby carrier |
| CN203567475U (en) * | 2013-11-22 | 2014-04-30 | 戴亦飞 | Tyre for children bicycle |
| CN203793046U (en) * | 2014-03-31 | 2014-08-27 | 吴家明 | Non-inflatable wheel |
| CN204236133U (en) * | 2014-10-01 | 2015-04-01 | 温州市红鹰箱包配件有限公司 | Roller wheel |
| CN204526671U (en) * | 2015-02-03 | 2015-08-05 | 好孩子儿童用品有限公司 | Pushchair |
| CN204605385U (en) * | 2015-05-04 | 2015-09-02 | 蔡红叨 | Trolley wheel wheel hub |
| CN105561593A (en) * | 2015-12-22 | 2016-05-11 | 广东信宇科技实业有限公司 | Amphibious toy car |
| CN106079276A (en) * | 2016-08-11 | 2016-11-09 | 广州市浩顺模具科技有限公司 | A kind of foaming with gas injection mold and injection moulding process |
| CN106696611A (en) * | 2016-12-19 | 2017-05-24 | 平湖市骑乐士童车有限公司 | Child vehicle light emitting wheel |
| CN106827941A (en) * | 2016-12-20 | 2017-06-13 | 平湖市飞驰童车有限公司 | A kind of wheel for perambulator |
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|---|---|
| CN107379883A (en) | 2017-11-24 |
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Address after: 363500 North District of Zhaoan County Industrial Park, Zhangzhou, Fujian Applicant after: FUJIAN XINGHUI TOYS Co.,Ltd. Address before: 363500 North District of Zhaoan County Industrial Park, Zhangzhou, Fujian Applicant before: FUJIAN XINGHUI BABY PRODUCTS CO.,LTD. |
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Effective date of registration: 20231221 Address after: 515000 Xinghui Industrial Park, Chenghai District, Shantou City, Guangdong Province (north of Xiadao Road, Shanghua Town) Patentee after: RESTAR GROUP Co.,Ltd. Address before: 363500 North District of Zhaoan County Industrial Park, Zhangzhou, Fujian Patentee before: FUJIAN XINGHUI TOYS Co.,Ltd. |