Integrated toy wheel and mold for manufacturing integrated toy wheel

Abstract

The utility model discloses an integrated toy wheel and a mould for manufacturing the integrated toy wheel, the integrated toy wheel comprises a wheel body, the wheel body comprises an internal wheel arranged inside and an external wheel arranged outside, one end of the internal wheel extends to the external wheel, and the other end of the internal wheel extends to the external wheel. One end of the internal wheel is connected with an external wheel into a whole, the other end of the internal wheel is connected with the external wheel through connecting scrolls, an inner cavity is formed between the connecting scrolls, a connecting through hole is formed in the internal wheel, and the wheel body is connected with an axle through the connecting through hole; the utility model further provides a mold for manufacturing the integrated toy wheel, a plurality of integrated toy wheels can be formed at a time, the problem that the wheels are prone to degumming and separation is solved, the strength and durability of the wheels are improved, the manufacturing efficiency is improved, and the manufacturing cost of the toy wheels is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a toy car wheel technical field, especially to an integrated toy car wheel and the mould of manufacturing integrated toy car wheel. BACKGROUND

[0002] Toy, refers to the article that can be used to play, playing toys in human society often be used as a kind of way of teaching through play, with the development of now science and technology, children's toys also become more and more, toy car is especially liked by children.

[0003] As shown in Figure 1 And Figure 2 The existing toy car wheel adopts split type manufacturing, including first half wheel 11 and second half wheel 12, the first half wheel 11 and the second half wheel 12 are inserted by the inside bolt 13, then the first half wheel 11 and the second half wheel 12 are fixed together by adhesive, to form a complete toy car wheel;The toy car wheel manufactured by the above split type is not only easy to separate, but also has low strength;The utility model proposes the technical target of manufacturing integrated forming wheel, overcomes the problem that the split type combination wheel is easy to separate, improves the strength and durability of the wheel, and also improves the manufacturing efficiency and reduces the manufacturing cost of the toy car wheel. UTILITY MODEL CONTENTS

[0004] The utility model is to overcome the defect that easy to separate in the prior art, provide a kind of integrated toy car wheel and the mould of manufacturing integrated toy car wheel, can form multiple integrated toy car wheels once, overcome the problem that wheel is easy to separate, improve the strength and durability of the wheel, also improve the manufacturing efficiency, reduce the manufacturing cost of the toy car wheel.

[0005] To achieve the above object, the utility model provides an integrated toy car wheel, including wheel body, the wheel body includes the inside wheel of being equipped in inside and the outside wheel of being equipped in outside, one end of the inside wheel extends to the outside wheel, and is connected as a whole with the outside wheel, the other end of the inside wheel is connected with the outside wheel by connecting strip, inner cavity is formed between the connecting strip, the inside wheel is equipped with connecting through hole, and the wheel body is connected with axle through connecting through hole.

[0006] As preferred, the outside wheel includes the connecting protrusion of middle part and the arc protrusion equipped in the connecting protrusion both sides;The arc protrusion gradually increases from the outside wheel side surface connecting place to connecting protrusion.

[0007] As preferred, the connecting through hole is provided with a plurality of connecting grooves, one side of the connecting strip is equipped with ejection groove, and the ejection groove is arranged in the middle part of connecting strip.

[0008] The utility model also provides a kind of mould of manufacturing integral toy car wheel, including mould body, the mould body includes the upper die of being equipped in upper portion and the lower die of being equipped in lower portion;Several upper die cavities are equipped on the upper die, and the upper die cavity is used to manufacture the side of wheel body;Several lower die cavities are equipped on the lower die, and the lower die cavity is used to manufacture the other side of wheel body;Several injection ports are equipped on the upper die cavity, the upper die and lower die are mutually moulded, and the injection port is fed to the inside of upper die cavity and lower die cavity, to form wheel body.

[0009] As preferred, the first shaft core is arranged circumferentially in the upper die cavity, and the first shaft core is used for forming the inner cavity.

[0010] As preferred, the second shaft core is arranged in the middle of the upper die cavity, and the third shaft core is arranged in the middle of the lower die cavity, and the end of the second shaft core and the third shaft core are mutually moulded to form the connecting through hole.

[0011] As preferred, the arc-shaped recess is arranged in the inside of the upper die cavity and the lower die cavity, and the arc-shaped recess is used for forming the arc-shaped protrusion.

[0012] As preferred, the upper die cavity is embedded in the inside of the upper die, the lower die cavity is embedded in the inside of the lower die, the first positioning protrusion is arranged on the circumference of the upper die cavity, and the first recess corresponding to the first positioning protrusion is arranged on the circumference of the lower die cavity; the second positioning protrusion is arranged around the upper die cavity, and the second recess corresponding to the second positioning protrusion is arranged around the lower die cavity.

[0013] As preferred, the plurality of insertion holes are arranged around the upper die, the plurality of insertion columns corresponding to the insertion holes are arranged around the lower die, the insertion column is inserted into the inside of the insertion hole and is slidably connected with the insertion hole; the plurality of extension rods are arranged on the upper die, the linear driving device is drivingly connected with the extension rod, the linear driving device drives the linear movement of the extension rod, the end of the extension rod is driven into the inside of the upper die cavity, the extension rod is in contact with the connecting strip, and the wheel body is ejected.

[0014] As preferred, the first supporting rod is arranged on the upper die, the first mounting plate is arranged on the upper portion of the first supporting rod, the first supporting plate is arranged between the upper die and the first mounting plate, and the first cooling water pipe is arranged between the upper die and the first mounting plate; the second supporting rod is arranged on the lower die, the second mounting plate is arranged on the upper portion of the second supporting rod, the second supporting plate is arranged between the lower die and the second mounting plate, and the second cooling water pipe is arranged between the lower die and the second mounting plate.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1. The utility model discloses an inside wheel and outside wheel, one end of the inside wheel extends to the outside wheel, and is connected as a whole with the outside wheel, the other end of the inside wheel is connected with the outside wheel through the connecting banner, the inner cavity is formed between the connecting banner, realizes the inner cavity setting at one side, and demoulds at the inner cavity one side, does not need to carry out the split body production, simultaneously the other side inside wheel and outside wheel are connected as a whole with each other, form a complete toy wheel, realize integral type manufacturing simultaneously, overcome the problem that the wheel is easy to separate from the adhesive, improve the strength and durability of the wheel, reduce the manufacturing step, improve the manufacturing efficiency, reduce the manufacturing cost of the toy wheel.

[0017] 2. The utility model discloses a plurality of upper die cavities are equipped on the upper die, a plurality of lower die cavities are also correspondingly equipped on the lower die, the upper die and the lower die are mutually combined, the upper die cavity and the lower die cavity are mutually matched, form a combined cavity, and the material is fed from the injection port to the inside of the upper die cavity and the lower die cavity, thereby forming the wheel body; The wheel body is integrally manufactured, which overcomes the problem that the combined wheel is easy to separate from the adhesive. Furthermore, the mold provided by the utility model can form a plurality of integral toy wheels at one time, improves the manufacturing efficiency, and reduces the manufacturing cost of the toy wheel. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0019] Figure 1 It is the front view of the existing toy wheel;

[0020] Figure 2 It is the exploded view of the existing toy wheel;

[0021] Figure 3 It is the side view of the integral toy wheel provided by the utility model;

[0022] Figure 4 It is the back view of the integral toy wheel provided by the utility model;

[0023] Figure 5 It is the front view of the mold for manufacturing the integral toy wheel provided by the utility model;

[0024] Figure 6 It is the back exploded view of the mold for manufacturing the integral toy wheel provided by the utility model;

[0025] Figure 7 is a schematic view of the upper die cavity provided by the utility model;

[0026] Figure 8 is a schematic view of the lower die cavity provided by the utility model;

[0027] Figure 9 is a structural schematic view of the upper die cavity, the first core shaft and the second shaft core being installed together provided by the utility model.

[0028] In the drawing, there are:

[0029] 2, wheel body; 21, inner wheel; 22, outer wheel; 23, connecting strip; 24, inner cavity; 211, connecting through hole; 221, connecting protrusion; 222, arc-shaped protrusion; 212, connecting groove; 231, ejection groove; 4, mold body; 41, upper die; 42, lower die; 43, upper die cavity; 44, lower die cavity; 45, injection port; 431, first core shaft; 432, second shaft core; 441, third shaft core; 443, arc-shaped groove; 442, first positioning protrusion; 444, first groove; 433, second positioning protrusion; 446, second groove; 62, insertion hole; 61, insertion column; 71, extension rod; 81, first support rod; 82, first mounting plate; 83, first support plate; 84, first cooling water pipe; 87, second support plate; 88, second cooling water pipe. DETAILED DESCRIPTION

[0030] The technical scheme in the embodiment of the utility model will be clearly and completely described below in combination with the drawings in the embodiment of the utility model. Obviously, the described embodiment is one embodiment of the utility model, rather than all the embodiments of the utility model. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] Embodiment one

[0032] Please refer to Figure 3 and Figure 4 The utility model provides a kind of integral toy wheel.

[0033] As shown in Figure 3 , the integral toy wheel includes wheel body 2, and the wheel body 2 is formed by EPP foamed bead moulding; as shown in Figure 3 , one side of the wheel body 2 is open, and the wheel body 2 includes inner wheel 21 installed inside and outer wheel 22 installed outside; as shown in Figure 4As shown, the other side of the wheel body 2 is closed, and one end of the inner wheel 21 extends to the outer wheel 22 and is connected to the outer wheel 22 as a whole.

[0034] Further, in order to ensure the strength of the wheel body 2, the other end of the inner wheel 21 is connected to the outer wheel 22 through the connecting strip 23, and the inner cavity 24 is formed between the connecting strips 23, which is arranged on one side and demoulded on one side of the inner cavity 24, without being made in two parts; meanwhile, the other side of the inner wheel 21 and the outer wheel 22 are connected to each other as a whole, forming a complete toy wheel, and realizing integrated manufacturing, overcoming the problem of easy separation of the wheel, improving the strength and durability of the wheel, reducing the manufacturing steps, improving the manufacturing efficiency, and reducing the manufacturing cost of the toy wheel.

[0035] In actual application, the connecting strip 23 can be strengthened and thickened according to the strength required by the wheel body 2; at the same time, the volume of the inner cavity 24 can be correspondingly reduced.

[0036] Further, in order to be connected with the axle for easy installation on the toy car, the inner wheel 21 is provided with a connecting through hole 211, and the wheel body 2 is connected with the axle through the connecting through hole 211.

[0037] As shown in Figure 4 In order to increase the friction between the wheel body 2 and the ground, the outer wheel 22 includes a connecting protrusion 221 in the middle and arc-shaped protrusions 222 arranged on both sides of the connecting protrusion 221; the arc-shaped protrusions 222 gradually increase from the side connection of the outer wheel 22 to the connecting protrusion 221.

[0038] As shown in Figure 3 In order to facilitate transmission connection with the axle, a plurality of connecting grooves 212 are arranged on the connecting through hole 211.

[0039] As shown in Figure 3 In order to facilitate the ejection of the integrated toy wheel from the mold, an ejection groove 231 is arranged on one side of the connecting strip 23, and the ejection groove 231 is arranged in the middle of the connecting strip 23.

[0040] Example two

[0041] Please refer to Figure 5 and Figure 9 The utility model provides a kind of mold for manufacturing integrated toy wheel.

[0042] As shown in Figure 5As shown, the mold includes a mold body 4, which includes an upper mold 41 mounted on the upper part and a lower mold 42 mounted on the lower part. The upper mold 41 and the lower mold 42 correspond to and interlock with each other. Furthermore, the upper mold 41 is equipped with twelve upper mold cavities 43, such as... Figure 3 As shown, the upper mold cavity 43 is used to manufacture the left side of the wheel body 2; the lower mold 42 is equipped with twelve lower mold cavities 44, as shown in the figure. Figure 3 As shown, the lower mold cavity 44 is used to manufacture the right side of the wheel body 2.

[0043] like Figure 5 As shown, the upper mold cavity 43 is equipped with three injection ports 45. The upper mold 41 and the lower mold 42 are molded together, and the upper mold cavity 43 and the lower mold cavity 44 cooperate to form a mold cavity. Material is fed into the upper mold cavity 43 and the lower mold cavity 44 through the injection ports 45 to form the wheel body 2. The wheel body 2 is manufactured as a single piece, which overcomes the problem of easy delamination and separation of assembled wheels. Furthermore, the mold body 4 can mold multiple single-piece toy wheels at one time, which improves manufacturing efficiency and reduces the manufacturing cost of toy wheels.

[0044] like Figure 9 As shown, in order to form the inner cavity 24 and the connecting strip 23, five first mandrels 431 are fixedly installed inside the upper mold cavity 43. The first mandrels 431 are pulled out along with the upper mold cavity 43. The first mandrels 431 are arranged in a circle. The first mandrels 431 are used to form the inner cavity 24, and the first mandrels 431 are used to form the connecting strip 23.

[0045] like Figure 9 As shown, in order to form the connecting through hole 211, a second shaft core 432 is fixedly installed in the middle of the upper mold cavity 43, as follows: Figure 6 As shown, a third shaft core 441 is fixedly installed in the middle of the lower mold cavity 44. When the upper mold cavity 43 and the lower mold cavity 44 close together, the ends of the second shaft core 432 and the third shaft core 441 also close together to form the connecting through hole 211. When withdrawing, the second shaft core 432 follows the upper mold cavity 43 to be withdrawn, and the third shaft core 441 follows the lower mold cavity 44 to be withdrawn.

[0046] like Figure 7 and Figure 8 As shown, both the upper mold cavity 43 and the lower mold cavity 44 are provided with arc-shaped grooves 443; the arc-shaped grooves 443 are used to form arc-shaped protrusions 222.

[0047] like Figure 6 As shown, the upper mold cavity 43 is embedded inside the upper mold 41, and the lower mold cavity 44 is embedded inside the lower mold 42, as... Figure 7 As shown, a first positioning protrusion 442 is provided on the circumference of the upper mold cavity 43, such as...Figure 8 As shown in the figure, the lower die cavity 44 is provided with a first recess 444 corresponding to the first positioning protrusion 442 on the circumference. Figure 7 As shown in the figure, the upper die cavity 43 is provided with a second positioning protrusion 433 on the circumference. Figure 8 As shown in the figure, the lower die cavity 44 is provided with a second recess 446 corresponding to the second positioning protrusion 433 on the circumference.

[0048] When the upper die cavity 43 and the lower die cavity 44 are buckled to each other, the first positioning protrusion 442 is inserted into the first recess 444, and the second positioning protrusion 433 is inserted into the second recess 446, so as to realize the cooperation of the two and form a cavity inside.

[0049] As shown in the figure, the upper die 41 is provided with four insertion holes 62 on the circumference, and the lower die 42 is provided with four insertion columns 61 corresponding to the insertion holes 62 on the circumference. Figure 5 As shown in the figure, the upper die 41 is provided with four insertion holes 62 on the circumference, and the lower die 42 is provided with four insertion columns 61 corresponding to the insertion holes 62 on the circumference.

[0050] As shown in the figure, the upper die 41 is provided with four insertion holes 62 on the circumference, and the lower die 42 is provided with four insertion columns 61 corresponding to the insertion holes 62 on the circumference. Figure 5 As shown in the figure, the upper die 41 is provided with three extension rods 71, which are drivingly connected with a linear driving device.

[0051] As shown in the figure, the upper die 41 and the lower die 42 have similar structures and can be referred to each other. Figure 5 As shown in the figure, the upper die 41 and the lower die 42 have similar structures and can be referred to each other. Figure 6 As shown in the figure, the upper die 41 and the lower die 42 have similar structures and can be referred to each other.

[0052] As shown in the figure, the upper die 41 is provided with a plurality of first supporting rods 81, and the upper part of the first supporting rod 81 is provided with a first mounting plate 82. Figure 5 As shown in the figure, the upper die 41 is provided with a plurality of first supporting rods 81, and the upper part of the first supporting rod 81 is provided with a first mounting plate 82.

[0053] Similarly, as shown in the figure, the lower die 42 is provided with a plurality of second supporting rods, and the upper part of the second supporting rod is provided with a second mounting plate. Figure 5 As shown in the figure, the lower die 42 is provided with a plurality of second supporting rods, and the upper part of the second supporting rod is provided with a second mounting plate. Figure 6 As shown in the figure, the lower die 42 is provided with a plurality of second supporting rods, and the upper part of the second supporting rod is provided with a second mounting plate.

[0054] The use steps of the mold are as follows:

[0055] Step S1: the upper mold 41 and the lower mold 42 are closed, and the insertion column 61 is inserted into the insertion hole 62;

[0056] Step S2: the upper mold cavity 43 and the lower mold cavity 44 are buckled to each other, the first positioning protrusion 442 is inserted into the first recess 444, the second positioning protrusion 433 is inserted into the second recess 446, the cooperation of the two is realized, and the cavity is formed inside; at the same time, the five first core shafts 431 are inserted into the cavity, and the end portions of the second shaft core 432 and the third shaft core 441 are also buckled to each other;

[0057] Step S3: the injection port 45 feeds into the inside of the upper mold cavity 43 and the lower mold cavity 44, so as to form the wheel body 2;

[0058] Step S4: the first cooling water pipe 84 cools the upper mold 41, and the second cooling water pipe 88 cools the lower mold 42;

[0059] Step S5: the upper mold 41 and the lower mold 42 are opened, the first core shaft 431 and the second shaft core 432 are separated from the upper mold 41, and the third shaft core 441 is separated from the lower mold 42;

[0060] Step S6: the linear driving device drives the linear motion of the extension rod 71, drives the end portion of the extension rod 71 into the inside of the upper mold cavity 43, contacts with the connecting strip 23, forms the ejection recess 231, and ejects the formed wheel body 2.

[0061] The above embodiment is a preferred embodiment of the utility model, but the embodiment of the utility model is not limited by the above embodiment, and any change, modification, replacement, combination, simplification made without departing from the spirit and principle of the utility model should be an equivalent replacement mode, which is all included in the protection scope of the utility model.

Claims

1. A one-piece toy wheel, characterized in that: The wheel body (2) includes an inner wheel (21) installed inside and an outer wheel (22) installed outside. One end of the inner wheel (21) extends to the outer wheel (22) and is connected to the outer wheel (22) as a whole. The other end of the inner wheel (21) is connected to the outer wheel (22) through a connecting strip (23). An inner cavity (24) is formed between the connecting strips (23). A connecting through hole (211) is provided inside the inner wheel (21). The wheel body (2) is connected to the axle through the connecting through hole (211).

2. The one-piece toy wheel according to claim 1, characterized in that: The outer wheel (22) includes a connecting protrusion (221) in the middle and arc-shaped protrusions (222) installed on both sides of the connecting protrusion (221); the arc-shaped protrusions (222) gradually increase in size from the side connection of the outer wheel (22) to the connecting protrusion (221).

3. The one-piece toy wheel according to claim 1, characterized in that: The connecting through hole (211) is provided with a plurality of connecting grooves (212), and the connecting strip (23) is provided with a push-out groove (231) on one side, and the push-out groove (231) is located in the middle of the connecting strip (23).

4. A mold for manufacturing one-piece toy wheels, characterized in that: The mold body (4) includes an upper mold (41) mounted on the upper part and a lower mold (42) mounted on the lower part. The upper mold (41) is provided with a plurality of upper mold cavities (43), which are used to manufacture one side of the wheel body (2). The lower mold (42) is provided with a plurality of lower mold cavities (44), which are used to manufacture the other side of the wheel body (2). The upper mold cavity (43) is provided with a plurality of injection ports (45). The upper mold (41) and the lower mold (42) are closed together, and the injection ports (45) feed material into the upper mold cavity (43) and the lower mold cavity (44) to form the wheel body (2).

5. The mold for manufacturing an integrated toy wheel according to claim 4, characterized in that: The upper mold cavity (43) is equipped with a plurality of first mandrels (431), which are arranged circumferentially. The first mandrels (431) are used to form the inner cavity (24), and the first mandrels (431) are used to form connecting strips (23).

6. The mold for manufacturing an integrated toy wheel according to claim 4, characterized in that: The upper mold cavity (43) is equipped with a second shaft core (432) in the middle, and the lower mold cavity (44) is equipped with a third shaft core (441) in the middle. The ends of the second shaft core (432) and the third shaft core (441) are molded together to form a connecting through hole (211).

7. A mold for manufacturing an integrated toy wheel according to claim 4, characterized in that: Both the upper mold cavity (43) and the lower mold cavity (44) are provided with arc-shaped grooves (443); the arc-shaped grooves (443) are used to form arc-shaped protrusions (222).

8. A mold for manufacturing an integrated toy wheel according to claim 4, characterized in that: The upper mold cavity (43) is embedded inside the upper mold (41), and the lower mold cavity (44) is embedded inside the lower mold (42). The upper mold cavity (43) has a first positioning protrusion (442) on its circumference, and the lower mold cavity (44) has a first groove (444) on its circumference corresponding to the first positioning protrusion (442). The upper mold cavity (43) has a second positioning protrusion (433) around its perimeter, and the lower mold cavity (44) has a second groove (446) corresponding to the second positioning protrusion (433) around its perimeter.

9. A mold for manufacturing an integrated toy wheel according to claim 4, characterized in that: The upper mold (41) is provided with a plurality of insertion holes (62) around its perimeter, and the lower mold (42) is provided with a plurality of insertion posts (61) corresponding to the insertion holes (62) around its perimeter. The insertion posts (61) are inserted into the insertion holes (62) and are slidably connected to the insertion holes (62). The upper mold (41) is provided with a plurality of extension rods (71). The extension rods (71) are connected to a linear drive device. The linear drive device drives the extension rods (71) to move linearly, driving the ends of the extension rods (71) into the upper mold cavity (43) to contact the connecting strip (23) and push out the wheel body (2).

10. A mold for manufacturing an integrated toy wheel according to claim 4, characterized in that: The upper mold (41) is equipped with a plurality of first support rods (81), and a first mounting plate (82) is mounted on the upper part of the first support rods (81). A plurality of first support plates (83) are installed between the upper mold (41) and the first mounting plate (82). A first cooling water pipe (84) is also installed between the upper mold (41) and the first mounting plate (82). The lower mold (42) is equipped with a plurality of second support rods, and a second mounting plate is mounted on the upper part of the second support rods. A plurality of second support plates (87) are installed between the lower mold (42) and the second mounting plate. A second cooling water pipe (88) is also installed between the lower mold (42) and the second mounting plate.

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