Silica gel watchband production mold

Abstract

The utility model discloses a silica gel watchband production mold in the field of molds, which comprises an upper mold and a lower mold located below the upper mold, one end of the upper mold and one end of the lower mold can be attached to be used for watchband liquid injection molding, the middle of the lower mold is sunken downwards to form a mounting groove, and the lower mold is provided with a lower mold core arranged in the mounting groove. The lower mold core can move in the direction of the mounting groove and be ejected upwards, a first groove is formed in the side face of the lower mold core, a second groove communicated with the first groove is formed in the inner wall of the mounting groove, and when the lower mold core is ejected upwards, the interior of the mounting groove is communicated with the outer side of the end, ejected upwards, of the lower mold core through the first groove and the second groove. An air channel communicating with the bottom of the mounting groove is formed in the outer side of the lower mold, and a water channel for water injection and heat absorption is formed in the lower mold. In order to accelerate the cooling speed of the mold, a first groove and a second groove which are internally and externally communicated are additionally formed in the lower mold and the lower mold core to accelerate heat emission, and flowing water is injected into the lower mold to absorb heat to accelerate cooling.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a production mold for a silicone watch strap. Background Art

[0002] Silicone watch straps, a type of watch accessory primarily made of silicone, possess numerous excellent properties. In recent years, they have gained popularity due to their unique performance and diverse designs, making them suitable not only for sports watches but also for casual and business occasions. Silicone watch straps are typically produced through mold injection molding, which significantly enhances their quality.

[0003] However, after the strap is injected and formed, the current mold basically uses free heat dissipation or blowing to reduce the temperature of the mold to cool the silicone strap. However, this method can only cool the outer surface of the mold. The heat inside the mold cannot be fully discharged or absorbed, resulting in poor cooling effect and affecting the cooling speed of the silicone strap. Utility Model Content

[0004] In order to overcome the shortcomings of the existing technical solutions, the utility model provides a silicone watch strap production mold, which can effectively solve the technical problem of poor cooling effect of the current mold.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A silicone watchband production mold comprises an upper mold and a lower mold located below the upper mold. One end of the upper mold and the lower mold can be fitted together for liquid injection molding of the watchband.

[0007] The middle part of the lower mold is recessed downward to form a mounting groove, and the lower mold is installed with a lower mold core arranged in the mounting groove. The lower mold core can move along the direction of the mounting groove and be ejected upward. A first groove is provided on the side of the lower mold core, and a second groove is provided on the inner wall of the mounting groove to communicate with the first groove. When the lower mold core is ejected upward, the inside of the mounting groove and the outer side of the upwardly ejected end of the lower mold core are connected through the first groove and the second groove to discharge the heat in the mounting groove. An air duct is provided on the outer side of the lower mold to communicate with the bottom of the mounting groove.

[0008] A water channel for injecting water and absorbing heat is also provided inside the lower mold, and a water injection interface and a drainage interface connected to both ends of the water channel are installed on the outside of the lower mold.

[0009] A lower mold core is provided at the top of the lower mold core, and an upper mold core is installed on the upper mold. The upper mold core is synchronously fitted with the lower mold core when the upper mold and the lower mold are fitted together. An upper mold cavity is provided at the bottom of the upper mold core for combining with the lower mold cavity for liquid injection molding of the watch strap, and an injection port is provided at the top of the upper mold for injecting liquid into the upper mold cavity.

[0010] Furthermore, the lower mold is installed with an electric telescopic rod arranged in the installation groove, and one telescopic end of the electric telescopic rod is connected to the bottom of the lower mold core and controls the lower mold core to move along the direction of the installation groove.

[0011] Furthermore, the water injection interface and the drainage interface are installed on the same side of the lower mold, and the water channel is distributed on the periphery of the installation groove.

[0012] Furthermore, a sub-cavity communicating with the lower mold cavity is formed on the top of the lower mold core, and an upward inclined surface is formed at one end of the sub-cavity away from the lower mold cavity, and the top of the inclined surface is aligned with the lower mold core.

[0013] Furthermore, a slot is provided on the top of the lower mold, and an insertion rod for inserting into the slot for positioning is integrally connected to the bottom of the upper mold, so that the upper mold moves toward the lower mold along the direction in which the insertion rod is inserted into the slot.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] After the watch strap is injected and formed, in order to speed up the cooling speed of the mold, as the lower mold core is ejected, a first groove and a second groove that are connected inside and outside are added to the lower mold and the lower mold core, so that the heat accumulated inside can be discharged smoothly to achieve the cooling effect. At the same time, flowing water is injected into the lower mold to absorb the heat inside the lower mold and speed up the cooling speed, thereby improving the overall heat dissipation effect of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the lower mold connected to the lower mold core in an embodiment of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the upper mold connected to the upper mold core in an embodiment of the utility model;

[0019] Figure 4 This is a schematic diagram of the mold structure in an embodiment of the present utility model;

[0020] Figure 5 This is a schematic diagram of the lower mold core structure of an embodiment of the present utility model;

[0021] Figure 6 This is a schematic diagram of the internal water channel structure of the mold according to an embodiment of the present utility model;

[0022] Numbers in the figure:

[0023] 1-upper mold, 2-lower mold, 3-mounting groove, 4-lower mold core, 5-first groove, 6-second groove, 7-air channel, 8-water channel, 9-water injection interface, 10-drainage interface, 11-lower cavity, 12-upper mold core, 13-upper cavity, 14-liquid injection port, 15-electric telescopic rod, 16-auxiliary cavity, 17-inclined surface, 18-slot, 19-insertion rod. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] like Figure 1-6 As shown, this technical solution provides a silicone watchband production mold, which is mainly used for silicone watchband production and is formed by injecting liquid into the mold. Its structure mainly includes an upper mold 1 and a lower mold 2 located below the upper mold 1. The upper mold 1 and the lower mold 2 can be fitted together at one end by moving the upper mold 1. Then, liquid is injected into the internal cavity to form the watchband.

[0026] Regarding the structure of the lower mold 2, a downwardly recessed mounting groove 3 is provided in the middle of the lower mold 2. The lower mold 2 is equipped with a lower mold core 4 arranged in the mounting groove 3. The lower mold core 4 can move along the direction of the mounting groove 3 and be ejected upward. Since the temperature is high during injection molding when the lower mold 2 is used in combination with the upper mold 1, the lower mold 2 will generate a large amount of heat. The heat is not only absorbed by itself but also released into the mounting groove 3. Therefore, the ejection structure can facilitate users to remove the injection-molded watch strap on the one hand, and on the other hand, it is also for the convenience of heat dissipation inside the lower mold 2.

[0027] In order to better eject the lower mold core 4 installed in the installation groove 3, an electric telescopic rod 15 is installed in the installation groove 3 on the lower mold 2. One end of the electric telescopic rod 15 is connected to the bottom of the lower mold core 4 and controls the movement of the lower mold core 4 along the direction of the installation groove 3. The lower mold core 4 can be ejected upward after the injection molding is completed, and needs to be reset to its original position before the injection molding process.

[0028] A first groove 5 is provided on the side of the lower mold core 4, and a second groove 6 is provided on the inner wall of the mounting groove 3 that is in communication with the first groove 5. When the lower mold core 4 is not ejected, that is, it is in the state of liquid injection molding processing, and the first groove 5 is hidden inside. When the liquid injection molding is completed, the upper mold 1 is also reset away from the lower mold 2, and then the lower mold core 4 is ejected upward, and synchronously, the first groove 5 is also exposed. At this time, the inside of the mounting groove 3 and the outside of the upwardly ejected end of the lower mold core 4 are connected through the first groove 5 and the second groove 6, which can effectively discharge the heat accumulated in the mounting groove 3 to reduce the temperature of the lower mold 2. On the outside of the lower mold 2, there is also an air duct 7 that is in communication with the bottom of the mounting groove 3, which can speed up the air circulation speed, and also help to cool down the lower mold 2, and also speed up the cooling speed of the silicone watchband.

[0029] In addition to dissipating heat through the internal conductive structure, the lower mold 2 can also absorb heat inside the lower mold 2 through the flow of cold water, achieving a cooling effect. A water channel 8 for injecting water to absorb heat is opened inside the lower mold 2. The water channel 8 is located on the periphery of the mounting groove 3. At the same time, a water injection interface 9 and a drainage interface 10 connected to the two ends of the water channel 8 are installed on the outside of the lower mold 2. In order to lengthen the path of the water channel 8, the water injection interface 9 and the drainage interface 10 connected to the two ends of the water channel 8 are set on the same side of the lower mold 2 and are close to each other, lengthening the path of the cold water flow, improving the efficiency of heat absorption, and achieving a rapid cooling effect.

[0030] The top of the lower mold core 4 defines a lower cavity 11, while the upper mold core 12 is mounted on the upper mold 1. The bottom of the upper mold core 12 defines an upper cavity 13, which is combined with the lower cavity 11 for injection molding of the watchband. Before injection, when the upper mold 1 moves and fits with the lower mold 2, the upper mold core 12 simultaneously fits with the lower mold core 4 as the upper and lower molds 1 and 2 fit together. At this point, the upper cavity 13 and the lower cavity 11 form a space in the shape of the watchband, and the product is produced by injection molding. During injection, a liquid injection port 14 is opened at the top of the upper mold 1, connected to the upper cavity 13, for injecting liquid into the upper cavity 13. The injected liquid flows through the upper cavity 13 to the lower cavity 11.

[0031] To facilitate removal of the molded silicone watchband from the mold, the top of the lower mold core 4 is provided with a sub-cavity 16 that communicates with the lower mold cavity 11. The end of the sub-cavity 16, away from the lower mold cavity 11, is provided with an upwardly inclined surface 17. The top of the inclined surface 17 is aligned with the lower mold core 4. During liquid injection, the liquid flows not only into the lower mold cavity 11 but also into the sub-cavity 16 that communicates with the lower mold cavity 11. The inclined surface 17 in the sub-cavity 16 causes the silicone in the sub-cavity 16 to become thinner toward the end away from the lower mold cavity 11, making it easier for the user to remove the silicone watchband from the thinner end.

[0032] In addition, it should be noted that in order to allow the upper mold 1 and the lower mold 2 to fit smoothly, and to allow the upper cavity 13 on the upper mold core 12 to be combined with the lower cavity 11 on the lower mold core 4, a slot 18 is provided on the top of the lower mold 2, and the bottom of the upper mold 1 is integrally connected with an insert rod 19 for inserting into the slot 18 for positioning, so that the upper mold 1 moves toward the lower mold 2 along the direction in which the insert rod 19 is inserted into the slot 18. The insertion of the insert rod 19 into the slot 18 determines the direction in which the upper mold 1 moves, thereby improving the accuracy of the position when the upper mold 1 and the lower mold 2 are combined.

[0033] Compared with traditional technology, after the strap is injected and formed, in order to speed up the cooling speed of the mold, after the lower mold core 4 is ejected, a first groove 5 and a second groove 6 that are connected inside and outside are added to the lower mold 2 and the lower mold core 4, so that the heat accumulated inside can be discharged smoothly to achieve the cooling effect. At the same time, flowing water is injected into the lower mold 2 to absorb the heat inside the lower mold 2 and speed up the cooling speed, thereby improving the overall heat dissipation effect of the mold.

[0034] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description. It is intended that all variations within the meaning and range of equivalents of the claims be encompassed within the present invention, and any reference numerals in the claims should not be construed as limiting the claims to which they relate.

Claims

1. A mold for producing a silicone watch strap, comprising an upper mold and a lower mold located below the upper mold, wherein one end of the upper mold and the lower mold can be fitted together for injection molding of the watch strap, characterized in that: The middle portion of the lower mold is recessed downward to form a mounting groove, and the lower mold is equipped with a lower mold core arranged in the mounting groove. The lower mold core can move along the direction of the mounting groove and be ejected upward. A first groove is provided on the side of the lower mold core, and a second groove is provided on the inner wall of the mounting groove to communicate with the first groove. When the lower mold core is ejected upward, the interior of the mounting groove and the outer side of the upwardly ejected end of the lower mold core are connected through the first groove and the second groove to discharge heat in the mounting groove. An air duct is provided on the outer side of the lower mold to communicate with the bottom of the mounting groove. A water channel for injecting water and absorbing heat is also provided inside the lower mold, and a water injection interface and a drainage interface connected to both ends of the water channel are installed on the outside of the lower mold; A lower mold core is provided at the top of the lower mold core, and an upper mold core is installed on the upper mold. The upper mold core is synchronously fitted with the lower mold core when the upper mold and the lower mold are fitted together. An upper mold cavity is provided at the bottom of the upper mold core for combining with the lower mold cavity for liquid injection molding of the watch strap, and an injection port is provided at the top of the upper mold for injecting liquid into the upper mold cavity.

2. A silicone watchband production mold according to claim 1, characterized in that: The lower mold is installed with an electric telescopic rod arranged in the installation groove. One telescopic end of the electric telescopic rod is connected to the bottom of the lower mold core and controls the lower mold core to move along the direction of the installation groove.

3. A silicone watchband production mold according to claim 1, characterized in that: The water injection interface and the drainage interface are installed on the same side of the lower mold, and the water channels are distributed around the periphery of the installation groove.

4. A silicone watchband production mold according to claim 1, characterized in that: The top of the lower mold core is further provided with a sub-cavity communicated with the lower mold cavity. An end of the sub-cavity away from the lower mold cavity is provided with an upward inclined surface, and the top of the inclined surface is aligned with the lower mold core.

5. A silicone watchband production mold according to any one of claims 1 to 4, characterized in that: A slot is provided on the top of the lower mold, and an insertion rod for inserting into the slot for positioning is integrally connected to the bottom of the upper mold, so that the upper mold moves toward the lower mold along the direction in which the insertion rod is inserted into the slot.

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