Safety box surface injection mold

Abstract

The utility model provides a safety box surface injection mold which comprises a convex mold, a concave cavity is formed in one end face of the convex mold, a through hole and two second through holes are formed in the concave cavity of the convex mold, and the two second through holes are evenly distributed in the two sides of the through hole; an electric push rod is fixedly mounted in the through hole, the output end of the electric push rod slidably extends out of the through hole, and a top plate is fixedly mounted at the output end of the electric push rod; the top plate is mounted in the concave cavity in a sliding manner; by means of the overall arrangement, the weight of the demolding mechanism can be reduced, the mold can be replaced conveniently, the male mold can be prevented from being abraded in the demolding process, and therefore the forming quality of the safety box in the injection molding process is improved.

Description

Technical Field

[0001] The utility model belongs to the field of safety box production and manufacturing, and in particular relates to a safety box surface injection mold. Background Art

[0002] A safety box is a box used to store and protect important items or equipment. Its design and manufacture mainly focus on providing a high degree of security and protection. In the production process of rubber and plastic safety boxes, corresponding injection molds are usually required.

[0003] However, the existing injection mold for the surface of the safety box has a mold ejection mechanism installed on the punch. In this way, during each mold ejection process, it is not only easy to cause friction between the punch and the punch, causing the punch to wear and affecting the molding quality of the safety box product, but also easy to increase the weight of the entire mold, making it inconvenient to replace.

[0004] Therefore, it is very necessary to invent a kind of safety box case surface injection mold. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a technical solution adopted by an injection mold for the surface of a safety box: a safety box surface injection mold, comprising a punch, wherein: a concave cavity is opened on one end face of the punch, and a through hole and two through holes 2 are opened in the concave cavity of the punch, and the two through holes 2 are evenly distributed on both sides of the through hole; an electric push rod is fixedly installed in the through hole, and the output end of the electric push rod slides out from the through hole, and a top plate is fixedly installed on the output end of the electric push rod; the top plate is slidably installed in the concave cavity.

[0006] Preferably, a punch fixing plate is fixedly mounted on one end of the punch, and corresponding mold grooves are respectively formed on the end of the punch with the concave cavity and the outer surface of the top plate.

[0007] Preferably, guide pillars are fixedly mounted on the four corners of the punch fixing plate, and the guide pillars are on the same side as the punch.

[0008] Preferably, a coolant inlet pipe and a coolant outlet pipe are slidably installed in the two through holes respectively, and one end of the coolant inlet pipe and the coolant outlet pipe are fixedly connected to the top plate, and a spiral elastic tube is fixedly installed on the other end of the coolant inlet pipe and the coolant outlet pipe; the spiral elastic tube is fixedly installed in the corresponding through hole two, and the liquid inlet and liquid outlet of the spiral elastic tube are respectively arranged on one side of the outside of the punch fixing plate.

[0009] Preferably, a cooling channel is separately opened inside the top plate; the cooling liquid inlet pipe and the cooling liquid outlet pipe are connected to the cooling channel.

[0010] Compared with the prior art, the advantages of the utility model are:

[0011] The overall arrangement of the utility model can not only reduce the weight of the mold withdrawal mechanism and facilitate the replacement of the mold, but also avoid the wear of the punch during the mold withdrawal process, thereby improving the molding quality during the injection molding of the safety box. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall expanded structure of the utility model.

[0013] Figure 2 It is a schematic diagram of the overall closed structure of the utility model.

[0014] Figure 3 It is a partial enlarged structural schematic diagram of point A of the utility model.

[0015] In the figure:

[0016] A punch fixing plate 1, a punch 2, a guide column 3, a cavity 4, a through hole 5, a second through hole 6, an electric push rod 7, a coolant inlet pipe 8, a coolant outlet pipe 9, a top plate 10, and a die groove 11, wherein: a cavity 4 is provided on one end surface of the punch 2, and a through hole 5 and two second through holes 6 are provided in the cavity 4 of the punch 2. DETAILED DESCRIPTION

[0017] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be described clearly and completely below. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0018] In the description of the embodiments, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0019] The utility model is further described below in conjunction with the accompanying drawings:

[0020] Example

[0021] Reference Figure 1-3 A safety box surface injection mold, including a male mold 2, wherein: a concave cavity 4 is opened on one end surface of the male mold 2, so that during the injection molding process, the top plate 10 and the male mold 2 can be integrated, and a through hole 5 and two through holes 6 are opened in the concave cavity 4 of the male mold 2, so as to provide installation space and hidden space for the corresponding electric push rod 7, coolant inlet pipe 8 and coolant outlet pipe 9, and the two through holes 6 are evenly distributed on both sides of the through hole 5; an electric push rod 7 is fixedly installed in the through hole 5, and it can also be a cylinder, which can be adjusted according to the production time. The specific selection is to drive the top plate 10 to demold the safety box surface injection molded on the punch 2, and the output end of the electric push rod 7 slides out from the through hole 5, and the output end of the electric push rod 7 is fixedly installed with the top plate 10. Through the setting of the top plate 10, during the injection molding process, it can be integrated with the punch 2 and will not affect the injection molding of the safety box surface. At the same time, during the demolding process, due to the large contact area between the safety box surface and the safety box surface, the safety box surface will not be damaged; the top plate 10 is slidably installed in the concave cavity 4.

[0022] A punch fixing plate 1 is fixedly mounted on one end of the punch 2, and corresponding mold grooves 11 are respectively formed on the end of the punch 2 with the cavity 4 and the outer surface of the top plate 10. The mold grooves 11 can be specifically designed according to the internal structure of the safety box surface during actual production.

[0023] A coolant inlet pipe 8 and a coolant outlet pipe 9 are respectively slidably installed in the two through holes 6 so as to transport coolant into the top plate 10 and cool down the top plate 10 area separately, and one end of the coolant inlet pipe 8 and the coolant outlet pipe 9 are fixedly connected to the top plate 10, and a spiral elastic tube is fixedly installed at the other end of the coolant inlet pipe 8 and the coolant outlet pipe 9 so that the coolant inlet pipe 8 and the coolant outlet pipe 9 slide in the corresponding through hole 6 following the top plate 10; the spiral elastic tube is fixedly installed in the corresponding through hole 6, and the liquid inlet and liquid outlet of the spiral elastic tube are respectively arranged on one side of the outside of the punch fixing plate 1; it should be noted that one end of the coolant inlet pipe 8 and the coolant outlet pipe 9 are always in the corresponding through hole 6 and will not move out of the corresponding through hole 6.

[0024] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. A safety box surface injection mold, characterized in that: The invention comprises a male mold (2), wherein: a concave cavity (4) is provided on one end surface of the male mold (2), and a through hole (5) and two through holes (6) are provided in the concave cavity (4) of the male mold (2), and the two through holes (6) are evenly distributed on both sides of the through hole (5); an electric push rod (7) is fixedly installed in the through hole (5), and the output end of the electric push rod (7) slides out from the through hole (5), and a top plate (10) is fixedly installed at the output end of the electric push rod (7); and the top plate (10) is slidably installed in the concave cavity (4).

2. The safety box surface injection mold according to claim 1, characterized in that: A punch fixing plate (1) is fixedly mounted on one end of the punch (2), and corresponding mold grooves (11) are respectively formed on the end of the punch (2) with the concave cavity (4) and the outer surface of the top plate (10).

3. A safety box surface injection mold according to claim 2, characterized in that: A guide column (3) is fixedly mounted on each of the four corners of the punch fixing plate (1), and the guide column (3) and the punch (2) are on the same side.

4. The safety box surface injection mold according to claim 1, characterized in that: A coolant inlet pipe (8) and a coolant outlet pipe (9) are slidably mounted in the two through holes (6) respectively, and one end of the coolant inlet pipe (8) and the coolant outlet pipe (9) are fixedly connected to the top plate (10), and a spiral elastic tube is fixedly mounted on the other end of the coolant inlet pipe (8) and the coolant outlet pipe (9); the spiral elastic tube is fixedly mounted in the corresponding through hole (6); the coolant inlet pipe (8) and the coolant outlet pipe (9) are connected to the cooling channel inside the top plate (10).

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