A mold combination
Secondary injection molding is carried out through mold combination and combined with hot runner technology, the problems of waste of raw materials and unsmooth surface during the forming process of manual shaver movable buttons are solved, achieving a more efficient molding process and a better quality finished product.
Patent Information
- Application Number
- CN202421405534.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-19
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-06-19
AI Technical Summary
The existing manual shaver movable buttons waste raw materials during the molding process and the surface after molding is not smooth enough.
Secondary injection molding is performed using mold combination. By setting hot runners and interfaces in the mold, the hot runners are used to make the surface smoother during the molding process, and the waste of raw materials is reduced through mold design.
It effectively reduces waste of raw materials, improves the surface smoothness of the movable buttons, and improves product quality.
Smart Images

Figure CN222727240U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of mold technology, and in particular to a mold combination. Background Art
[0002] A razor is a common daily necessity and can be used for trimming beards, hair, etc. Existing manual razors include a movable button for adjusting the angle.
[0003] The movable button of the existing manual shaver is usually made by mold forming. However, due to the limitation of the forming process, the existing movable button will waste a lot of raw materials during the processing, and the outer surface of the molded product is not round and smooth enough. Utility Model Content
[0004] The main purpose of the present application is to provide a mold combination to solve the problems of waste of raw materials in the molding process of the movable button of a manual razor and the surface of the movable button after molding is not smooth enough in the prior art.
[0005] The present application provides a mold assembly for molding an active button of a razor, wherein the active button comprises a first part and a second part, and the mold assembly comprises:
[0006] a first mold, the first mold comprising a first front mold and a first rear mold, the first front mold and the first rear mold cooperate to form a first mold cavity, the first mold cavity is used to mold the first part, and a first hot runner is disposed in the first front mold, and the first hot runner is connected to a first interface; and
[0007] The second mold comprises a second front mold and a second rear mold, the second front mold and the second rear mold cooperate to form a second mold cavity, the second mold cavity is used to accommodate the first part and mold the second part based on the first part, and a second hot runner is provided in the second front mold, and the second hot runner is connected to a second interface.
[0008] Further, the first front mold has a first glue pouring port, a first main flow channel, a first branch flow channel and a first gate, the first main flow channel is connected between the first glue pouring port and a plurality of the first branch flow channels, and one end of each of the first branch flow channels away from the first main flow channel is connected to a first gate, wherein the first gate is a needle gate;
[0009] The second front mold has a second glue pouring port, a second main channel, a second branch channel and a second gate, the second main channel is connected between the second glue pouring port and multiple second branch channels, and each of the second branch channels is connected to a second gate at one end away from the second main channel, wherein the second gate is a needle gate.
[0010] Furthermore, the first main flow channel is connected to four first branch flow channels, each of the first branch flow channels is connected to one first gate, and the four first gates are arranged in a rectangular shape;
[0011] The second main flow channel is connected to four second branch flow channels, each of the second branch flow channels is connected to a second gate, and the four second gates are arranged in a rectangular shape.
[0012] Further, the first front mold includes a first upper front mold plate, a first middle front mold plate, a first lower front mold plate and a first front mold core, the first middle front mold plate is located between the first upper front mold plate and the first lower front mold plate, and the first front mold core is embedded in a side of the first lower front mold plate away from the first upper front mold plate;
[0013] The first rear mold includes a first rear mold base, a first rear mold plate and a first rear mold core. The first side of the first rear mold plate is arranged on the first rear mold base, the first rear mold core is embedded in the second side of the first rear mold plate, the first side and the second side of the first rear mold plate are opposite sides, and the first front mold core and the first rear mold core cooperate to form the first mold cavity.
[0014] Furthermore, the first middle front mold plate and the first front mold core are respectively provided with the first hot runner.
[0015] Further, the first front mold core is configured to form four first gates.
[0016] Further, the second front mold includes a second upper front mold, a second middle front mold, a second lower front mold and a second front mold core, the second middle front mold is located between the second upper front mold and the second lower front mold, and the first front mold core is embedded in a side of the second lower front mold away from the second upper front mold;
[0017] The second rear mold includes a second rear mold base, a second rear mold plate and a second rear mold core. The first side of the second rear mold plate is arranged on the second rear mold base, the second rear mold core is embedded in the second side of the second rear mold plate, the first side and the second side of the second rear mold plate are opposite sides, and the second front mold core and the second rear mold core cooperate to form the second mold cavity.
[0018] Furthermore, the second middle front mold plate and the second front mold core are respectively provided with a second hot runner.
[0019] Furthermore, the second front mold core structure is formed with the second gate.
[0020] Furthermore, the first mold and the second mold have the same structure except for the first front mold core and the second front mold core.
[0021] In the present application, the first mold is set to form the first part of the movable button, and the second mold is set to form the second part of the movable button, thereby completing the secondary injection molding of the movable button, and by setting the first hot runner in the first front mold, setting the second hot runner in the second front mold, and setting the first interface connected to the first hot runner, and setting the second interface connected to the second hot runner, so that when the first part and the second part are molded, under the action of the first hot runner and the second hot runner, the surfaces of the first part and the second part can be made smoother and rounder, and there will be basically no excess raw materials in the first front mold and the second front mold, thereby avoiding waste of raw materials. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:
[0023] Figure 1 This is a schematic diagram of a first mold in an embodiment disclosed in the present application.
[0024] Figure 2 It is a schematic diagram of a second mold in an embodiment disclosed in the present application.
[0025] Figure 3 for Figure 1 sectional view of .
[0026] Figure 4 for Figure 2 sectional view of .
[0027] Figure 5 It is a cross-sectional view of the cooperation between the first front mold core and the first rear mold core in one embodiment disclosed in the present application.
[0028] Figure 6 It is a cross-sectional view of the cooperation between the second front mold core and the second rear mold core in one embodiment disclosed in the present application.
[0029] Figure 7 Figure 2 is a schematic diagram of an activity button.
[0030] Figure 8 A cross-sectional view of an active button.
[0031] The above drawings include the following reference numerals:
[0032] First mold 100, first front mold 110, first glue injection port 111, first main runner 112, first branch runner 113, first gate 114, first upper front mold plate 115, first middle front mold plate 116, first lower front mold plate 117, first front mold core 118, first rear mold 120, first rear mold seat 121, first rear mold plate 122, first rear mold core 123, first mold cavity 130, first hot runner 140, first interface 150, second mold 200, second front mold 210, second glue filling port 211, second main channel 212, second branch channel 213, second gate 214, second upper front template 215, second middle front template 216, second lower front template 217, second front mold core 218, second rear mold 220, second rear mold base 221, second rear template 222, second rear mold core 223, second mold cavity 230, second hot runner 240, second interface 250, movable button 300, first part 310, second part 320. DETAILED DESCRIPTION
[0033] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.
[0034] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.
[0035] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values of the parts and steps set forth in these embodiments do not limit the scope of the present application. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be considered as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.
[0036] See also Figure 1-8As shown, the present application provides a mold combination for molding an active button 300 of a razor, wherein the active button 300 includes a first part 310 and a second part 320, and the mold combination includes a first mold 100 and a second mold 200. The first mold 100 and the second mold 200 cooperate and mold the active button 300 through secondary molding.
[0037] Furthermore, the first mold 100 includes a first front mold 110 and a first rear mold 120. The first front mold 110 and the first rear mold 120 cooperate to form a first mold cavity 130, and the first mold cavity 130 is used to mold the first part 310.
[0038] A first hot runner 140 is disposed in the first front mold 110 . The first hot runner 140 is connected to a first interface 150 . The first interface 150 is used to transport a heat source to the first hot runner 140 .
[0039] The second mold 200 includes a second front mold 210 and a second rear mold 220. The second front mold 210 and the second rear mold 220 cooperate to form a second mold cavity 230, and the second mold cavity 230 is used to receive the first part 310 and mold the second part 320 based on the first part 310.
[0040] A second hot runner 240 is disposed in the second front mold 210 . The second hot runner 240 is connected to a second interface 250 . The second interface 250 is used to transport heat source to the second hot runner 240 .
[0041] In this embodiment, the first mold 100 is provided to mold the first portion 310 of the movable button 300 , and the second mold 200 is provided to mold the second portion 320 of the movable button 300 , thereby completing the secondary injection molding of the movable button 300 .
[0042] By setting the first hot runner 140 in the first front mold 110, setting the second hot runner 240 in the second front mold 210, setting the first interface 150 connected to the first hot runner 140, and setting the second interface 250 connected to the second hot runner 240, when the first part 310 and the second part 320 are molded, under the action of the first hot runner 140 and the second hot runner 240, the surfaces of the first part 310 and the second part 320 can be made smoother and rounder, and there will be basically no excess raw materials in the first front mold 110 and the second front mold 210, thereby avoiding waste of raw materials.
[0043] Furthermore, by adding different masterbatches to the raw materials in the first mold 100 and the raw materials in the second mold 200 , the first part 310 and the second part 320 can be molded in different colors.
[0044] Furthermore, the first front mold 110 has a first glue pouring port 111, a first main channel 112, a first branch channel 113 and a first gate 114, the first main channel 112 is connected between the first glue pouring port 111 and multiple first branch channels 113, and each of the first branch channels 113 is connected to a first gate 114 at one end away from the first main channel 112.
[0045] The second front mold 210 has a second glue pouring port 211, a second main channel 212, a second branch channel 213 and a second gate 214. The second main channel 212 is connected between the second glue pouring port 211 and multiple second branch channels 213, and each second branch channel 213 is connected to a second gate 214 at one end away from the second main channel 212.
[0046] Furthermore, the first gate 114 and the second gate 214 are pin gates, so that the size of the gate burrs when molding the first part 310 and the second part 320 can be effectively reduced.
[0047] Furthermore, the first main channel 112 is connected to four first branch channels 113, each of the first branch channels 113 is connected to one first gate 114, and the four first gates 114 are arranged in a rectangular shape, so that the first mold 100 can mold the first parts 310 of four movable buttons 300 at one time.
[0048] The second main channel 212 is connected to four second branch channels 213, each second branch channel 213 is connected to a second gate 214, and the four second gates 214 are arranged in a rectangular shape, so that the second mold 200 can further form four second parts 320 based on the four first parts 310 at one time, and form four movable buttons 300 at one time.
[0049] By providing four first gates 114 to cooperate with the first mold cavity 130 , and four second gates 214 to cooperate with the second mold cavity 230 , the efficiency of molding the movable button 300 can be effectively improved.
[0050] Furthermore, the first front mold 110 includes a first upper front mold plate 115, a first middle front mold plate 116, a first lower front mold plate 117 and a first front mold core 118. The first middle front mold plate 116 is located between the first upper front mold plate 115 and the first lower front mold plate 117, and the first front mold core 118 is embedded in a side of the first lower front mold plate 117 away from the first upper front mold plate 115.
[0051] The first rear mold 120 includes a first rear mold base 121, a first rear mold plate 122, and a first rear mold core 123. The first side of the first rear mold plate 122 is disposed on the first rear mold base 121, the first rear mold core 123 is embedded in the second side of the first rear mold plate 122, the first side and the second side of the first rear mold plate 122 are opposite sides, and the first front mold core 118 cooperates with the first rear mold core 123 to form the first mold cavity 130.
[0052] Furthermore, the first middle front mold plate 116 and the first front mold core 118 are respectively provided with a first hot runner 140. The first middle front mold plate 116 is configured to form a portion of the first main flow channel 112 and a portion of the first branch flow channel 113, and the first front mold core 118 is configured to form a plurality of first gates 114. The provision of the two first hot runners 140 can effectively ensure that the raw materials in the first front mold 110 flow smoothly to the first mold cavity 130.
[0053] Furthermore, the second front mold 210 includes a second upper front mold plate 215, a second middle front mold plate 216, a second lower front mold plate 217, and a second front mold core 218. The second middle front mold plate 216 is located between the second upper front mold plate 215 and the second lower front mold plate 217, and the first front mold core 118 is embedded in a side of the second lower front mold plate 217 away from the second upper front mold plate 215.
[0054] The second rear mold 220 includes a second rear mold base 221, a second rear mold plate 222, and a second rear mold core 223. The first side of the second rear mold plate 222 is disposed on the second rear mold base 221, the second rear mold core 223 is embedded in the second side of the second rear mold plate 222, the first side and the second side of the second rear mold plate 222 are opposite sides, and the second front mold core 218 cooperates with the second rear mold core 223 to form the second mold cavity 230.
[0055] Furthermore, the second front middle mold plate 216 and the second front mold core 218 are respectively provided with a second hot runner 240. The second front middle mold plate 216 is structured to form part of the second main flow channel 212 and part of the second branch flow channel 213, and the second front mold core 218 is structured to form a plurality of second gates 214. The two second hot runners 240 can effectively ensure that the raw materials in the second front mold 210 flow smoothly to the second mold cavity 230.
[0056] Further, the first mold 100 and the second mold 200 have the same structure except the first front mold core 118 and the second front mold core 218 , so as to facilitate the manufacture of the first mold 100 and the second mold 200 .
[0057] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used herein to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" may include both "above" and "below". The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used herein are interpreted accordingly.
[0058] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.
[0059] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A mold assembly, characterized in that: An active button for molding a razor, the active button comprising a first part and a second part, the mold assembly comprising: a first mold, the first mold comprising a first front mold and a first rear mold, the first front mold and the first rear mold cooperate to form a first mold cavity, the first mold cavity is used to mold the first part, and a first hot runner is disposed in the first front mold, and the first hot runner is connected to a first interface; and The second mold comprises a second front mold and a second rear mold, the second front mold and the second rear mold cooperate to form a second mold cavity, the second mold cavity is used to accommodate the first part and mold the second part based on the first part, and a second hot runner is provided in the second front mold, and the second hot runner is connected to a second interface.
2. The mold assembly according to claim 1, characterized in that: The first front mold has a first glue injection port, a first main flow channel, a first branch flow channel and a first gate, the first main flow channel is connected between the first glue injection port and a plurality of the first branch flow channels, and one end of each of the first branch flow channels away from the first main flow channel is connected to a first gate, wherein the first gate is a needle gate; The second front mold has a second glue pouring port, a second main channel, a second branch channel and a second gate, the second main channel is connected between the second glue pouring port and multiple second branch channels, and each of the second branch channels is connected to a second gate at one end away from the second main channel, wherein the second gate is a needle gate.
3. The mold assembly according to claim 2, characterized in that: The first main flow channel is connected to four first branch flow channels, each of the first branch flow channels is connected to one first gate, and the four first gates are arranged in a rectangular shape; The second main flow channel is connected to four second branch flow channels, each of the second branch flow channels is connected to one second gate, and the four second gates are arranged in a rectangular shape.
4. The mold assembly according to claim 3, characterized in that: The first front mold comprises a first upper front mold plate, a first middle front mold plate, a first lower front mold plate and a first front mold core, the first middle front mold plate is located between the first upper front mold plate and the first lower front mold plate, and the first front mold core is embedded in a side of the first lower front mold plate away from the first upper front mold plate; The first rear mold includes a first rear mold base, a first rear mold plate and a first rear mold core. The first side of the first rear mold plate is arranged on the first rear mold base, the first rear mold core is embedded in the second side of the first rear mold plate, the first side and the second side of the first rear mold plate are opposite sides, and the first front mold core and the first rear mold core cooperate to form the first mold cavity.
5. The mold assembly according to claim 4, characterized in that: The first middle front mold plate and the first front mold core are respectively provided with a first hot runner.
6. The mold assembly according to claim 4, characterized in that: The first front mold core is configured to form four first gates.
7. The mold assembly according to claim 4, characterized in that: The second front mold comprises a second upper front mold, a second middle front mold, a second lower front mold and a second front mold core, the second middle front mold is located between the second upper front mold and the second lower front mold, and the first front mold core is embedded in a side of the second lower front mold away from the second upper front mold; The second rear mold includes a second rear mold base, a second rear mold plate and a second rear mold core. The first side of the second rear mold plate is arranged on the second rear mold base, the second rear mold core is embedded in the second side of the second rear mold plate, the first side and the second side of the second rear mold plate are opposite sides, and the second front mold core and the second rear mold core cooperate to form the second mold cavity.
8. The mold assembly according to claim 7, characterized in that: The second middle front mold plate and the second front mold core are respectively provided with a second hot runner.
9. The mold assembly according to claim 7, characterized in that: The second front mold core is structured to form the second gate.
10. The mold assembly according to claim 7, characterized in that: The first mold and the second mold have the same structure except for the first front mold core and the second front mold core.