Hot runner shoe sole forming mold

Abstract

The utility model discloses a hot runner shoe sole forming mold which comprises a forming mold, at least two mold cavities, a hot runner, a hot runner, a hot runner and a hot runner, and is characterized in that the forming mold is provided with at least two mold cavities for forming shoe soles; the heating plate is attached to the forming die and is used for heating the forming die; the runner plate is provided with a feeding channel and a flow adjusting groove; the feeding channel is used for conveying forming raw materials and communicates with the flow adjusting groove. The groove bottom of the flow adjusting groove is communicated with each mold cavity; and the adjusting seat is matched with the flow adjusting groove in shape, is suitable for being embedded into the flow adjusting groove, and is configured to adjust the flow of the molding raw materials conveyed to the mold cavity by changing the distance between the bottom surface of the adjusting seat and the groove bottom of the flow adjusting groove. According to the hot runner shoe sole forming mold, the problem that the feeding amount of each mold cavity is inconsistent can be solved.

Description

Technical Field

[0001] The utility model relates to the technical field of sole moulds, in particular to a hot runner sole forming mould. Background Art

[0002] Hot runner forming mold is a commonly used forming mold, which can be used in the sole forming process. The corresponding fluid raw material is supplied to the hot nozzle of the hot runner, and then the corresponding sole is obtained through hot pressing. The existing hot runner forming mold generally includes a lower hot plate, an upper hot plate, a lower mold and an upper mold. A mold cavity is formed between the lower mold and the upper mold. After the fluid raw material enters the mold cavity through high pressure injection of the runner, the fluid raw material is heated by the lower hot plate and the upper hot plate to form the sole.

[0003] Existing hot runner molding molds are generally single-cavity, that is, only one sole can be molded in one feeding process. In order to improve production efficiency, it is obviously necessary to increase the number of cavities in the mold so that multiple soles can be molded at one time. However, during the use of such multi-cavity molds, the feed amount of each cavity will be inconsistent, resulting in inconsistent quality of the products molded in each cavity during production. Utility Model Content

[0004] The purpose of the utility model is to overcome the above-mentioned defects or problems existing in the background technology and to provide a hot runner sole forming mold, which can improve the problem of inconsistent feed amount in each mold cavity.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A hot runner sole molding mold, comprising: a molding mold, which is provided with at least two molding cavities for sole molding; a heating plate, which is arranged close to the molding mold for heating the molding mold; a runner plate, which is provided with a feed channel and a flow regulating groove; the feed channel is used to convey molding raw materials, and is connected with the flow regulating groove; the bottom of the flow regulating groove is connected with each of the molding cavities; and an adjustment seat, which is adapted to the shape of the flow regulating groove and is suitable for being embedded in the flow regulating groove, and is configured to adjust the flow rate of the molding raw material conveyed to the mold cavity by changing the distance between its bottom surface and the bottom of the flow regulating groove.

[0007] Furthermore, the adjustment seat is connected to the flow channel plate through a screw, and the distance between the bottom surface of the adjustment seat and the bottom of the flow adjustment groove is changed by rotating the screw.

[0008] Furthermore, the outlet of the feed channel is located at the bottom of the flow regulating tank.

[0009] Furthermore, a heating channel is provided in the flow channel plate, and the heating channel is suitable for connecting a heating fluid to heat the molding material in the flow channel plate and keep the molding material in a flowing state.

[0010] Furthermore, it also includes a hot nozzle corresponding to the number and position of the mold cavities, which is fixedly installed on the runner plate, and one end of which is connected to the flow regulating groove, and the other end is connected to each of the mold cavities; the hot nozzle keeps the molding material in a flowing state by electric heating.

[0011] Furthermore, the outlet of the hot nozzle is located at a position in the mold cavity corresponding to the heel of the sole.

[0012] Furthermore, the molding die comprises a disengageable upper die and a lower die, the upper die is formed with a sole mold core, the lower die is formed with a sole mold seat, and the sole mold core and the sole mold seat cooperate to form the mold cavity.

[0013] Furthermore, the heating plate includes an upper heating plate and a lower heating plate, the upper heating plate is arranged close to the upper mold to heat the upper mold, and the lower heating plate is arranged close to the lower mold to heat the lower mold.

[0014] From the above description of the utility model, it can be seen that compared with the prior art, the utility model has the following beneficial effects:

[0015] The hot runner sole molding mold provided by the utility model is provided with a flow regulating groove on the flow channel plate, and an adjusting seat adapted to the shape of the flow regulating groove is provided at the same time, the adjusting seat can be embedded in the flow regulating groove, and the distance between the bottom surface of the adjusting seat and the groove bottom of the flow regulating groove can be changed; when adjusting the flow rate of the molding raw material delivered to the mold cavity, the height position of the adjusting seat relative to the flow regulating groove is adjusted, and at this time, the distance of the gap between the bottom surface of the adjusting seat and the groove bottom of the flow regulating groove is also changed accordingly, and after the molding raw material flows from the feed channel to the flow regulating groove, when the distance of this gap increases, the molding raw material is delivered to the mold cavity. The flow rate of the molding material in the mold cavity increases accordingly. When the distance of the gap decreases, the flow rate of the molding material delivered to the mold cavity decreases accordingly, thereby achieving the purpose of regulating the delivery flow rate. At the same time, since the flow regulating groove has a larger flow area than the feed channel, the molding material can spread along the flow regulating groove when reaching the flow regulating groove from the feed channel, and become a thin layer with a larger flow area, so that the flow rate of the molding material entering each mold cavity can be kept consistent, thereby ensuring the consistency of the quality of the soles of each mold cavity, and the flow rate regulation of the molding material in this state is more precise.

[0016] The adjustment seat can be connected to the flow channel plate through a screw. By rotating the screw, the position of the adjustment seat relative to the flow adjustment groove can be adjusted, which is convenient to operate and has high adjustment accuracy.

[0017] The outlet of the feed channel is located at the bottom of the flow regulating groove, ensuring that the molding material can smoothly enter the gap between the flow regulating groove and the regulating seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 A schematic structural diagram of a hot runner sole forming mold provided in an embodiment of the utility model.

[0020] Description of main reference numerals:

[0021] Mould cavity 101; upper mould 11; sole mould core 111; lower mould 12; sole mould base 121; upper hot plate 21; lower hot plate 22; flow channel plate 30; feed channel 31; flow regulating groove 32; regulating base 40; screw 50; hot nozzle 60. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are preferred embodiments of the utility model and should not be regarded as excluding other embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0023] In the claims, specification and the above-mentioned drawings of the utility model, unless otherwise clearly defined, the use of terms such as "first", "second" or "third" etc. is to distinguish different objects rather than to describe a specific order.

[0024] In the claims, specification and the above-mentioned drawings of the utility model, unless otherwise explicitly defined, directional words, such as the terms "center", "lateral", "longitudinal", "horizontal", "vertical", "top", "bottom", "inside", "outside", "up", "down", "front", "back", "left", "right", "clockwise", "counterclockwise", etc., indicating directions or positional relationships are based on the directions and positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the specific protection scope of the utility model.

[0025] In the claims, specification and the above drawings of the utility model, unless otherwise clearly defined, if the term "fixed connection" or "fixed connection" is used, it should be understood in a broad sense, that is, any connection method without a displacement relationship and relative rotation relationship between the two, that is to say, including non-detachable fixed connection, detachable fixed connection, integrated connection and fixed connection through other devices or elements.

[0026] In the claims, specification and drawings of the present utility model, if the terms "include", "have" and their variations are used, they are intended to mean "including but not limited to".

[0027] Example

[0028] The utility model embodiment provides a heat-recorded sole forming mold, referring to Figure 1 , which includes a forming mold, a heating plate, a flow channel plate 30 , an adjustment seat 40 and a hot nozzle 60 .

[0029] Among them, the molding mold is provided with at least two mold cavities 101 for sole molding, and the molding mold includes a detachable upper mold 11 and a lower mold 12, the upper mold 11 forms a sole mold core 111, and the lower mold 12 forms a sole mold seat 121, and the sole mold core 111 and the sole mold seat 121 cooperate to form the mold cavity 101.

[0030] The heating plate is arranged close to the forming mold for heating the forming mold, and the heating plate includes an upper heating plate 21 and a lower heating plate 22 . The upper heating plate 21 is arranged close to the upper mold 11 for heating the upper mold 11 , and the lower heating plate 22 is arranged close to the lower mold 12 for heating the lower mold 12 .

[0031] Specifically, refer to Figure 1 , with the lower mold 12 located at the bottom and the upper mold 11 located at the top as a normal working posture, a sole mold seat 121 is formed on the upper surface of the lower mold 12, and the sole mold seat 121 refers to a groove-shaped structure recessed relative to the upper surface of the lower mold 12, which is used to form the bottom surface of the sole, and a lower hot plate 22 is installed on the lower surface of the lower mold 12, and the lower hot plate 22 is completely attached to the lower mold 12 to heat the lower mold 12. The lower hot plate 22 can be heated by electric heating wires or the like, and its heating method belongs to conventional technology. Usually, in order to enable the lower mold 12 to be molded with the upper mold 11, the upper mold 11 needs to be able to move in the vertical direction when the lower mold 12 is fixed. Therefore, a sliding rod is usually provided on the upper mold 11 to limit the sliding direction of the upper mold 11, and then the lower mold 12 is driven downward and upward by a driving mechanism such as a cylinder or an electric cylinder. When the upper mold 11 moves downward, the lower mold 12 can be molded with the upper mold 11 to form a mold cavity 101. When the upper mold 11 moves upward, the mold cavity 101 opens, and the sole formed in the mold cavity 101 can be taken out.

[0032] The upper mold 11 is located above the lower mold 12, and a sole mold core 111 is provided on its lower surface. The sole mold core 111 can cooperate with the sole mold base 121 to form a mold cavity 101 when the upper mold 11 and the lower mold 12 are molded together. In this embodiment, each group of sole mold cores 111 includes a left mold core and a right mold core, and the left mold core and the right mold core are arranged along the left-right direction. Correspondingly, each group of sole mold bases 121 includes a left mold base and a right mold base, and the left mold base corresponds to the left mold core, and the right mold base corresponds to the right mold core, so that two mold cavities 101 can be formed at the same time when the upper mold 11 and the lower mold 12 are molded together. These two mold cavities 101 are used to form the left sole and the right sole, respectively. The figure shows the front-to-back direction and the up-down direction. The direction perpendicular to the front-to-back direction and the up-down direction is the left-to-right direction, that is, the direction perpendicular to the paper surface is the left-to-right direction. Meanwhile, in this embodiment, referring to the figure, two groups of sole mold cores 111 arranged in the front-to-back direction are formed on the upper mold 11, and two groups of sole mold seats 121 arranged in the front-to-back direction are correspondingly formed on the lower mold 12, and the two groups of sole mold cores 111 are oriented in opposite directions, and naturally, the two groups of sole mold seats 121 are oriented in opposite directions. The orientation referred to here refers to the direction of the sole corresponding to the formed mold cavity 101 from the heel to the forefoot, which is equivalent to that in the four formed mold cavities 101, the heels of the two left sole mold cavities 101 are close to each other, the heels of the two right sole mold cavities 101 are close to each other, and the forefoots are far away from each other.

[0033] The upper surface of the upper mold 11 is attached with an upper heating plate 21, which is equipped with a heating wire. The heating wire can heat the upper heating plate 21, and the upper heating plate 21 transfers the heat to the upper mold 11. When the upper mold 11 and the lower mold 12 are closed, both the upper mold 11 and the lower mold 12 have a high temperature. At this time, the fluid raw material injected into the mold cavity 101 can be quickly denatured and reacted under high temperature and high pressure to form a sole. For example, the material to be foamed is a fluid raw material, which can be quickly foamed and formed at high temperature.

[0034] Reference Figure 1 The flow channel plate 30 is provided with a feed channel 31 and a flow regulating groove 32. The feed channel 31 is used to convey the molding material and is connected to the flow regulating groove 32; the bottom of the flow regulating groove 32 is connected to each of the mold cavities 101; the adjustment seat 40 is adapted to the shape of the flow regulating groove 32 and is suitable for being embedded in the flow regulating groove 32, and is configured to adjust the flow rate of the molding material conveyed to the mold cavity 101 by changing the distance between its bottom surface and the bottom of the flow regulating groove 32.

[0035] Specifically, refer to Figure 1The adjusting seat 40 is connected to the flow channel plate 30 through a screw 50, and the distance between the bottom surface of the adjusting seat 40 and the bottom of the flow regulating groove 32 is changed by rotating the screw 50. The outlet of the feed channel 31 is located at the bottom of the flow regulating groove 32. A heating flow channel is provided in the flow channel plate 30, and the heating flow channel is suitable for connecting a heating fluid to heat the molding material in the flow channel plate 30 and keep the molding material in a flowing state.

[0036] The flow channel plate 30 is a rectangular metal component, and a plurality of heating channels are arranged inside the flow channel. The heating channels form a circulation channel. The heating fluid enters the heating channel from the inlet, circulates until the temperature of the entire flow channel plate 30 is constant, and then flows out from the outlet. In the working process of the molding mold, the heating fluid always keeps circulating in the flow channel plate 30 to keep the flow channel plate 30 at a constant temperature. Specifically, the heating fluid can be pure water with a relatively high temperature. The temperature range of the flow channel plate 30 maintained by the heating fluid should keep the molding raw material in a flowing state without condensation.

[0037] A flow regulating groove 32 is provided at the middle position of the upper side of the flow channel plate 30. The flow regulating groove 32 is a square trough with an opening at the bottom thereof, which forms the outlet of the feed channel 31. The inlet of the feed channel 31 is provided on the outer side of the flow channel plate 30. The molding raw material can be fed into the flow channel plate 30 through the inlet of the feed channel 31, and then transported to the flow regulating groove 32 through the feed channel 31. At the same time, the bottom of the flow regulating groove 32 is provided with an opening for discharging the material. A plurality of hot nozzles 60 corresponding to the number and position of the mold cavities 101 are installed on the flow channel plate 30, and the upper end of each hot nozzle 60 is connected to the opening for discharging the material on the flow regulating groove 32, and the other end is connected to each mold cavity 101; the hot nozzle 60 can keep the molding raw material in a flowing state by electric heating. In this embodiment, the outlet of the hot nozzle 60 is located at the position corresponding to the heel of the sole in the mold cavity 101. The thickness of the sole here is relatively thick. When the hot nozzle 60 injects the molding raw material, a water outlet will be formed here. The thicker sole thickness can avoid the impact on the performance of the sole when the water outlet is cut off.

[0038] The shape of the adjustment seat 40 is adapted to the flow adjustment groove 32, and it can just be embedded in the flow adjustment groove 32. At the same time, the screw 50 passes through the adjustment seat 40 up and down and is screwed to the bottom of the flow adjustment groove 32. By rotating the screw 50, the height position of the adjustment seat 40 relative to the flow adjustment groove 32 can be changed, thereby changing the distance between the bottom surface of the adjustment seat 40 and the bottom of the flow adjustment groove 32. In the sole molding production process, the fluid molding material reaches the flow adjustment groove 32 through the feed channel 31, and enters the gap between the adjustment seat 40 and the bottom of the flow adjustment groove 32. After that, the molding material is squeezed to form a thin layer of fluid filling the gap between the adjustment seat 40 and the flow adjustment groove 32, and then flows to each hot nozzle 60, and the molding material is transported to the corresponding mold cavity 101 through the hot nozzle 60.

[0039] The hot runner sole molding mold provided by the utility model is provided with a flow regulating groove 32 on the flow channel plate 30, and an adjusting seat 40 adapted to the shape of the flow regulating groove 32 is provided at the same time, the adjusting seat 40 can be embedded in the flow regulating groove 32, and the distance between the bottom surface of the adjusting seat 40 and the bottom of the flow regulating groove 32 can be changed; when adjusting the flow rate of the molding raw material delivered to the mold cavity 101, the height position of the adjusting seat 40 relative to the flow regulating groove 32 is adjusted, and at this time, the distance between the bottom surface of the adjusting seat 40 and the bottom of the flow regulating groove 32 is also changed accordingly, and after the molding raw material flows from the feed channel 31 to the flow regulating groove 32, when the distance of this gap increases When the gap is small, the flow rate of the molding material delivered to the mold cavity 101 increases accordingly. When the gap distance decreases, the flow rate of the molding material delivered to the mold cavity 101 decreases accordingly, thereby achieving the purpose of regulating the delivery flow rate. At the same time, since the flow regulating groove 32 has a larger flow area than the feed channel 31, when the molding material reaches the flow regulating groove 32 from the feed channel 31, it can spread along the flow regulating groove 32 and become a thin layer with a larger flow area, so that the flow rate of the molding material entering each mold cavity 101 can be kept consistent, thereby ensuring the consistency of the quality of the soles of each mold cavity 101, and the flow rate regulation of the molding material in this state is more precise.

[0040] The description of the above specification and embodiments is used to explain the protection scope of the utility model, but does not constitute a limitation on the protection scope of the utility model. Through the enlightenment of the utility model or the above embodiments, ordinary technicians in this field can obtain modifications, equivalent replacements or other improvements to the embodiments of the utility model or part of the technical features thereof through logical analysis, reasoning or limited experiments, which should be included in the protection scope of the utility model.

Claims

1. A hot runner sole forming mold, characterized in that it includes: A molding die, which is provided with at least two molding cavities (101) for molding the sole; A heating plate, which is disposed close to the forming die and is used for heating the forming die; A flow channel plate (30) is provided with a feed channel (31) and a flow regulating groove (32); the feed channel (31) is used to convey molding raw materials and is in communication with the flow regulating groove (32); the bottom of the flow regulating groove (32) is in communication with each of the mold cavities (101); and An adjustment seat (40) is adapted to the shape of the flow adjustment groove (32) and is suitable for being embedded in the flow adjustment groove (32), and is configured to adjust the flow rate of the molding material delivered to the mold cavity (101) by changing the distance between its bottom surface and the bottom of the flow adjustment groove (32).

2. A hot runner sole forming mold as claimed in claim 1, characterized in that: The adjustment seat (40) is connected to the flow channel plate (30) via a screw rod (50), and the distance between the bottom surface of the adjustment seat (40) and the bottom of the flow adjustment groove (32) is changed by rotating the screw rod (50).

3. A hot runner sole forming mold as claimed in claim 2, characterized in that: The outlet of the feed channel (31) is located at the bottom of the flow regulating groove (32).

4. A hot runner sole forming mold as claimed in claim 3, characterized in that: A heating flow channel is provided in the flow channel plate (30), and the heating flow channel is suitable for connecting a heating fluid to heat the molding material in the flow channel plate (30) and keep the molding material in a flowing state.

5. A hot runner sole forming mold as claimed in claim 4, characterized in that: It also includes a hot nozzle (60) corresponding to the number and position of the mold cavities (101), which is fixedly installed on the flow channel plate (30), and one end of which is connected to the flow regulating groove (32) and the other end is connected to each of the mold cavities (101); the hot nozzle (60) keeps the molding material in a flowing state by means of electric heating.

6. A hot runner sole forming mold as claimed in claim 5, characterized in that: The outlet of the hot nozzle (60) is located at a position in the mold cavity (101) corresponding to the heel of the sole.

7. A hot runner sole forming mold as claimed in claim 6, characterized in that: The molding die comprises an upper die (11) and a lower die (12) which are detachable, the upper die (11) forming a sole die core (111), the lower die (12) forming a sole die seat (121), the sole die core (111) and the sole die seat (121) cooperating to form the die cavity (101).

8. A hot runner sole forming mold as claimed in claim 7, characterized in that: The heating plate comprises an upper heating plate (21) and a lower heating plate (22); the upper heating plate (21) is arranged close to the upper mold (11) to heat the upper mold (11); and the lower heating plate (22) is arranged close to the lower mold (12) to heat the lower mold (12).

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