Large mold cavity structure

Abstract

The utility model discloses a large mold cavity structure. The large mold cavity structure comprises a mold body, and the parting surface is arranged on the mold body, a plurality of oil grooves are formed in the parting surface, and the oil grooves are arranged in a crossed mode and communicate with one another. The oil grooves are formed in the mold parting surfaces, when the mold works, lubricating oil is smeared on the parting surfaces of the fixed mold and the movable mold, the lubricating oil can be squeezed into the oil grooves in the friction process of the parting surfaces so that the lubricating oil can continuously act, and therefore the situation that the fixed mold and the movable mold are stuck or stuck under the condition that no lubrication exists is avoided; and the problem that iron powder is generated due to overlarge friction force between the fixed mold and the movable mold is avoided, and the problems of mold scratch and product defects caused by the iron powder generated by the mold are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to large -scale mould technical field, especially a large -scale mould cavity structure. BACKGROUND

[0002] With the rapid development of the automobile industry, the design of the car lamp modeling has gradually tended to pursue longer and larger size, and at the same time, due to the super large size of the mold, the sliding structure (such as the mold inside the slider, the inner pulling piece, the fixed mold and the movable mold) inside the mold is also large size, and the default machining of the machining industry has tolerance, and the accumulated tolerance of the large size sliding structure is more prone to cause the structure to be stuck or even stuck during production.

[0003] Among them, when the fixed mold and the movable mold of the mold are opened and closed, if the situation of being stuck or even being stuck occurs, the friction between the fixed mold and the movable mold is extremely easy to produce iron powder, if the generated iron powder falls on the product, the product will form a product dot, such product has defects, belongs to defective product, if the iron powder falls on the product surface of the mold cavity, the mold will be scratched, at this time, unless the production is stopped for mold repair, otherwise every mold product produced has defects, such product is defective product, such problem needs to be solved, for this, the application provides a large -scale mold cavity structure. UTILITY MODEL CONTENT

[0004] Therefore, in order to solve the problems in the prior art, the application provides a large -scale mold cavity structure, which comprises a mold body;

[0005] The parting surface is provided on the mold body, and a plurality of oil grooves are formed in the parting surface.

[0006] Further, the plurality of intersecting oil grooves form a mesh.

[0007] Further, the mesh oil groove has a grid, and the grid shape is a square or a rhombus.

[0008] Further, the included angle between every two intersecting oil grooves is 30°-150°.

[0009] Further, the distance between every two parallel oil grooves is 20mm-40mm.

[0010] Further, the depth of the oil groove is 0.5mm-1.5mm.

[0011] Further, the two ends of each oil groove do not exceed the edge of the parting surface.

[0012] Further, the mesh oil groove is provided with a plurality of groups and is uniformly distributed on the parting surface.

[0013] Beneficial effects: the application sets the oil groove on the mold parting surface, and the mold works to smear lubricating oil on the parting surface of the fixed mold and the movable mold, the process of mutual friction of the parting surface will squeeze the lubricating oil into the oil groove to make the lubricating oil continuously produce effects, thereby avoiding the situation that the fixed mold and the movable mold are stuck or dead without lubrication, and the situation that iron powder is generated between the fixed mold and the movable mold due to excessive friction, and avoiding the problem that the mold is scratched and product defects are caused by the generation of iron powder in the mold. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application 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 only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of the structure shown in the drawings.

[0015] Figure 1 The large mold cavity structure schematic diagram of the present application;

[0016] In the figure: 1, mold body; 2, parting surface; 3, oil groove.

[0017] The implementation, functional characteristics and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0019] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications will also change accordingly.

[0020] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the technical features or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, "and / or" in the full text includes three schemes, taking A and / or B as an example, including A technical scheme, B technical scheme, and A and B technical scheme that meet at the same time. In addition, the technical schemes of each embodiment can be combined with each other, but it must be based on the realization of ordinary technical personnel in the art, when the combination of technical schemes appears contradictory or unachievable, it should be considered that the combination of technical schemes does not exist, nor in the protection scope required by the present application.

[0021] As shown in Figure 1 The present application embodiment provides a large mold cavity structure, comprising: a mold body 1;

[0022] A parting surface 2 is arranged on the mold body 1, and a plurality of oil grooves 3 are arranged on the parting surface 2.

[0023] In the embodiment, the mold body 1 can be a movable mold of the mold, or a fixed mold of the mold, and the oil groove 3 is arranged at the parting surface 2 of the movable mold and / or the fixed mold.

[0024] The depth of the oil groove 3 is 0.5mm-1.5mm, which can be selected according to the production needs and the size of the mold. The depth of the oil groove 3 in the embodiment is 1mm.

[0025] Through the arrangement of the oil groove 3, when the mold works, the lubricating oil used for lubrication will be applied on the parting surface 2 of the fixed mold and the movable mold. The process of mutual friction of the parting surface 2 will squeeze the lubricating oil into the oil groove 3 to make the lubricating oil continuously act, thereby avoiding the situation that the fixed mold and the movable mold are stuck or dead without lubrication, and the situation that iron powder is generated between the fixed mold and the movable mold due to excessive friction force, and avoiding the problem that the mold is scratched and the product is defective due to the generation of iron powder.

[0026] In one embodiment, the plurality of intersecting oil grooves 3 form a mesh shape.

[0027] In the embodiment, the oil groove 3 is arranged in a mesh structure, which can accommodate more lubricating oil while making the lubricating oil uniformly distributed, thereby improving the lubricating effect.

[0028] Optionally, the mesh shape of the mesh oil groove 3 is a regular quadrilateral or a rhombus.

[0029] Optionally, the included angle between every two intersecting oil grooves 3 is 30°-150°.

[0030] Optionally, the distance between each two parallel oil grooves 3 is 20-40mm, which can be selected according to the size of the mold.

[0031] In one embodiment, the two ends of each oil groove 3 do not exceed the edge of the parting surface 2.

[0032] In the present embodiment, by setting the two ends of the oil groove 3 not to communicate with the outside of the oil groove 3, the purpose is to make the lubricating oil entering the inside of the oil groove 3 during sliding can be kept in the inside of the oil groove 3, and will not leak out to affect the injection molding of the product, and at the same time can continuously provide lubricating effect for the parting surface 2.

[0033] In one embodiment, the mesh oil groove 3 is provided with several groups, which are uniformly distributed on the parting surface 2.

[0034] In the present embodiment, several groups of mesh oil grooves 3 are provided, which are uniformly distributed on the parting surface 2, so as to further improve the lubricating effect and greatly reduce the friction between the fixed mold and the movable mold.

[0035] The above only describes the preferred embodiments of the present application, and does not limit the patent range of the present application, and any equivalent structural transformation, direct / indirect application in other related technical fields under the utility model concept of the present application, and the contents of the present application specification and drawings are included in the patent protection range of the present application.

Claims

1. A large mold cavity structure, characterized by, The application relates to a mold body and a parting surface provided on the mold body, wherein the parting surface is provided with a plurality of oil grooves which are crosswise arranged and interconnected. The plurality of crosswise arranged oil grooves form a mesh shape. The mesh-shaped oil grooves have a grid shape which is a square or a rhombus.

2. The large mold cavity structure of claim 1, wherein, The included angle between every two crosswise arranged oil grooves is 30-150 degrees.

3. The large mold cavity structure of claim 2, wherein, The distance between every two parallel oil grooves is 20-40 mm.

4. The large mold cavity structure of claim 3, wherein, The depth of the oil grooves is 0.5-1.5 mm.

5. The large mold cavity structure of claim 3, wherein, The two ends of every oil groove do not exceed the edge of the parting surface.

6. The large mold cavity structure of claim 1, wherein, The mesh-shaped oil grooves are arranged in a plurality of groups which are uniformly and spacedly distributed on the parting surface.

7. The large mold cavity structure of claim 1, wherein, ​ 8. The large mold cavity structure of claim 2, wherein, ​

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