CN212472241U

CN212472241U - Lipstick abnormal shape curved surface mould structure

Info

Publication number: CN212472241U
Application number: CN202020805079.6U
Authority: CN
Inventors: 宋忠民
Original assignee: Zhongshan Xinjia Mould Co ltd
Current assignee: Zhongshan Xinjia Mould Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2021-02-05
Anticipated expiration: 2030-05-14

Abstract

The utility model discloses a lipstick special-shaped curved surface mold structure, which comprises an upper mold, a lower mold, a driving mechanism and a sliding block component, wherein the driving mechanism is used for driving the upper mold to move close to or far away from the lower mold so as to mold closing or opening; the sliding block assembly comprises a first sliding block and a second sliding block, and the first sliding block and the second sliding block are close to each other when the mold is closed and far away from each other when the mold is opened; the first sliding block and the second sliding block are used for forming a cavity after being mutually close; a positioning lug is arranged on the side surface of the first sliding block close to the second sliding block; and a positioning groove for embedding the positioning lug is arranged on the side surface of the second sliding block close to the first sliding block. The utility model discloses a lipstick abnormal shape curved surface mould structure, the die cavity that forms after its accessible locating lug and positioning groove's cooperation messenger first slider and second slider compound die does not have the skew, improves the shaping precision.

Description

Lipstick abnormal shape curved surface mould structure

Technical Field

The utility model relates to a mould equipment, concretely relates to lipstick abnormal shape curved surface mould structure.

Background

At present, when the heterotypic curved surface structure of one-tenth lipstick shell, because the product above with following size is equally big, there is not the demolding angle, for preventing the product spark when the demolding, product demolding direction is with two slider demolding, parting line appears easily in the position of the product of so shaping after the die sinking between two sliders, if the skew appears in two sliders, the parting line of production is comparatively obvious, so, can appear the slider when the drawing of patterns and press from both sides the mouth problem, and press from both sides the mouth and divide the poor easy hand of scraping of type section.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model aims to provide a lipstick abnormal shape curved surface mould structure, the die cavity that its accessible locating lug and positioning groove's cooperation made formation behind first slider and the second slider compound die does not have the skew, improves the shaping precision.

The purpose of the utility model is realized by adopting the following technical scheme:

the lipstick special-shaped curved surface mold structure comprises an upper mold, a lower mold, a driving mechanism and a sliding block assembly, wherein the driving mechanism is used for driving the upper mold to move close to or away from the lower mold so as to mold closing or opening; the sliding block assembly comprises a first sliding block and a second sliding block, and the first sliding block and the second sliding block are close to each other when the mold is closed and far away from each other when the mold is opened; the first sliding block and the second sliding block are used for forming a cavity after being mutually close; a positioning lug is arranged on the side surface of the first sliding block close to the second sliding block; and a positioning groove for embedding the positioning lug is arranged on the side surface of the second sliding block close to the first sliding block.

Preferably, at least four forming half cavities are arranged on the side surfaces of the first sliding block and the second sliding block, which are close to each other; the at least four molding half cavities of the first sliding block are used for being correspondingly matched with the at least four molding half cavities of the second sliding block one by one to form at least four cavities when the mold is closed, and the positioning lug is arranged between every two adjacent molding half cavities on the first sliding block; and the positioning groove is arranged between two adjacent forming half cavities on the second sliding block.

Preferably, the outer diameter of the positioning lug is gradually increased from one end close to the second sliding block to one end far away from the second sliding block; the inner diameter of the positioning groove is matched with the outer diameter structure of the positioning lug.

Preferably, both sides of the upper die are provided with jacking blocks, and each jacking block is provided with a jacking inclined surface; the side surfaces of the first sliding block and the second sliding block, which are far away from each other, are provided with guide inclined surfaces; the two pressing blocks are respectively used for pressing the first sliding block and the second sliding block during die assembly so as to enable the pressing inclined plane to be in sliding fit with the guide inclined plane and guide the first sliding block and the second sliding block to approach each other.

Preferably, the upper die is provided with a positioning insert, positioning holes are formed in the outer sides of the first sliding block and the second sliding block, the positioning insert is detachably connected with the upper die, and the positioning insert is inserted into the positioning holes when die assembly is carried out.

Preferably, the positioning insert is gradually inclined inwards from top to bottom, and the structure of the positioning hole is matched with that of the positioning insert.

Preferably, the slide block assemblies are provided with at least two groups.

Compared with the prior art, the beneficial effects of the utility model reside in that: when the die is closed, the positioning convex blocks on the first sliding block and the second sliding block are embedded with the positioning grooves, so that the first sliding block and the second sliding block can be guided to be close to each other, the offset condition of the first sliding block and the second sliding block is reduced, the precision of a formed product is higher, the parting line condition is reduced, and the phenomenon of die release and clamping is reduced.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a partial structure of the present invention;

fig. 3 is a schematic view of an assembly structure of the sliding block assembly and the top pressing block of the present invention;

fig. 4 is a schematic view of a partial structure of the sliding block assembly of the present invention.

In the figure: 10. an upper die; 11. pressing the block; 20. a lower die; 31. a first slider; 311. positioning the bump; 312. a guide ramp; 313. positioning holes; 32. a second slider; 40. a cavity; 50. and (5) positioning the insert.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict. Except as specifically noted, the materials and equipment used in this example are commercially available. Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. In the description of the present application, "a plurality" means two or more unless specifically stated otherwise.

In the description of the present application, it should be noted that unless otherwise specifically stated or limited, the terms "connected," "communicating," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a connection through an intervening medium, a connection between two elements, or an interaction between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

The terms "first," "second," and the like in the description and in the claims of the present application and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The special-shaped curved surface die structure for lipstick as shown in fig. 1-4 comprises an upper die 10, a lower die 20, a driving mechanism and a slide block assembly, wherein the upper die 10 can move close to or away from the lower die 20 under the driving of the driving mechanism so as to close or open the die.

Specifically, the slide assembly includes a first slide 31 and a second slide 32, and the first slide 31 and the second slide 32 can be close to each other when the mold is closed and away from each other when the mold is opened. The first slider 31 and the second slider 32 may form the cavity 40 after being brought close to each other. In addition, a positioning bump 311 is arranged on the side surface of the first slide block 31 close to the second slide block 32; the side surface of the second slide block 32 close to the first slide block 31 is provided with a positioning groove for embedding the positioning lug 311.

On the basis of the structure, use the utility model discloses a lipstick heterotypic curved surface mould structure during, actuating mechanism on the accessible mould drives and goes up mould 10 and be close to the motion of lower mould 20, start the compound die action promptly, when the compound die, first slider 31 and second slider 32 can be close to each other, and the location lug 311 on first slider 31 and the second slider 32 and the mutual gomphosis of positioning groove, after the compound die is accomplished, first slider 31 and second slider 32 cooperation form die cavity 40, go up the mold insert on the mould 10 and all stretch into in the die cavity 40 with the mold insert on the lower mould 20, afterwards, go up the mouth of moulding plastics on the mould 10 and can guide the glue solution and get into in the die cavity 40, the heterotypic curved surface of shaping lipstick under the mold insert combined action on the mold insert on last mould 10 and the.

It should be noted that the positioning protrusions 311 and the positioning grooves on the first slider 31 and the second slider 32 are engaged with each other to guide the first slider 31 and the second slider 32 to approach each other, so as to reduce the offset of the first slider 31 and the second slider 32, improve the precision of the molded product, reduce the occurrence of parting lines, and reduce the phenomenon of mold-releasing and clipping.

In addition, the driving mechanism can be realized by an oil cylinder or an air cylinder arranged on the die.

Preferably, in this embodiment, at least four molding half cavities are arranged on the side surfaces of the first slider 31 and the second slider 32, which are close to each other, and at least four molding half cavities of the first slider 31 and at least four molding half cavities of the second slider 32 are matched in a one-to-one correspondence manner to form at least four cavities 40 during mold closing, so that at least four cavities 40 formed between the first slider 31 and the second slider 32 can mold at least four products at one time when the first slider 31 and the second slider 32 are close to each other, thereby improving the production efficiency.

On the basis of the structure, a positioning bump 311 can be arranged between two adjacent molding half cavities on the first slider 31; corresponding to the positioning groove arranged between two adjacent molding half cavities on the second slide block 32. Therefore, the guiding structure formed by the positioning convex block 311 and the positioning groove is located between the first slider 31 and the second slider 32, but not at the edge, so that the first slider 31 and the second slider 32 can be effectively guided to approach each other to have a trend of approaching to the middle, and the anti-deviation effect is better.

Further, the outer diameter of the positioning protrusion 311 gradually increases from the end close to the second slider 32 to the end far from the second slider 32, and correspondingly, the inner diameter of the positioning groove is structurally matched with the outer diameter of the positioning protrusion 311. That is, when the positioning protrusion 311 is gradually inserted into the positioning groove, the inner wall of the positioning groove can be gradually pressed against the surface of the positioning protrusion 311, so as to guide the first slider 31 and the second slider 32 to gradually approach each other, thereby reducing the two-side deviation.

Preferably, both sides of the upper die 10 are provided with top pressing blocks 11, and the top pressing blocks 11 are provided with top pressing inclined planes; correspondingly, the guide slopes 312 are disposed on the sides of the first slider 31 and the second slider 32 away from each other. Specifically, when the mold is closed, the two pressing blocks 11 respectively press the first slide block 31 and the second slide block 32, so that the pressing inclined surfaces are in sliding fit with the guide inclined surfaces 312, and the first slide block 31 and the second slide block 32 are guided to approach each other. Thus, when the pressing blocks 11 move downward, the pressing blocks 11 on two sides of the mold can respectively press on the first slider 31 and the second slider 32, the corresponding guide inclined surfaces 312 can be in sliding fit with the guide inclined surfaces 312, the guide inclined surfaces 312 can be pressed by the pressing inclined surfaces, the guide inclined surfaces 312 can decompose the downward pressure into a transverse force to guide the first slider 31 and the second slider 32 to approach each other, and the cavity 40 can be formed.

The return operation of the first slider 31 and the second slider 32 at the time of opening the mold may be realized by an elastic member on the mold or other structures such as a lifter on the mold.

More specifically, a positioning insert 50 may be disposed on the upper die 10, positioning holes 313 are disposed on outer sides of the first slider 31 and the second slider 32, the positioning insert 50 is detachably connected to the upper die 10, and the positioning insert 50 is inserted into the positioning holes 313 during die assembly, so that the positioning insert 50 may be inserted into the positioning holes 313 during die assembly to perform positioning and accurate die assembly. It should be noted that, the positioning insert 50 is adopted for positioning and guiding, the positioning insert 50 is detachable, the size is adjusted conveniently during die matching, the size of the positioning insert 50 can be adjusted according to the size of the die, and the application range is wider.

Further, the positioning insert 50 is gradually inclined inward from top to bottom, and the structure of the positioning hole 313 matches the structure of the positioning insert 50, so that the positioning insert 50 can also guide the first slide block 31 and the second slide block 32 to gradually approach each other when gradually penetrating into the positioning hole 313, and the positioning insert 50 gradually exits from the positioning hole 313 to guide the first slide block 31 and the second slide block 32 to move away from each other when the mold is opened.

Preferably, the slide block assemblies are provided with at least two groups, four cavities 40 are formed after the first slide block 31 and the second slide block 32 are close to each other, the slide block assemblies are provided with two groups for example, the mold can mold eight products at one time, every four cavities are guided by every two slide blocks, every two slide blocks are guided by the corresponding positioning convex blocks 311 and the corresponding positioning grooves, the molding precision is high, and the mutual influence is avoided.

While only certain features and embodiments of the application have been illustrated and described, many modifications and changes may occur to those skilled in the art (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the scope and spirit of the invention in the claims.

Finally, it should be noted that: the above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The lipstick special-shaped curved surface mold structure comprises an upper mold, a lower mold, a driving mechanism and a sliding block assembly, wherein the driving mechanism is used for driving the upper mold to move close to or away from the lower mold so as to mold closing or opening; the mold clamping device is characterized in that the sliding block assembly comprises a first sliding block and a second sliding block, and the first sliding block and the second sliding block are used for being close to each other in the mold clamping process and being far away from each other in the mold opening process; the first sliding block and the second sliding block are used for forming a cavity after being mutually close; a positioning lug is arranged on the side surface of the first sliding block close to the second sliding block; and a positioning groove for embedding the positioning lug is arranged on the side surface of the second sliding block close to the first sliding block.

2. The lipstick irregular shaped curved surface mold structure as set forth in claim 1, wherein at least four molding half cavities are provided on the side surfaces of the first slider and the second slider which are close to each other; the at least four molding half cavities of the first sliding block are used for being correspondingly matched with the at least four molding half cavities of the second sliding block one by one to form at least four cavities when the mold is closed, and the positioning lug is arranged between every two adjacent molding half cavities on the first sliding block; and the positioning groove is arranged between two adjacent forming half cavities on the second sliding block.

3. The lipstick irregular shaped curved surface mold structure as set forth in claim 1, wherein the outer diameter of the positioning projection is gradually increased from an end close to the second slider to an end far from the second slider; the inner diameter of the positioning groove is matched with the outer diameter structure of the positioning lug.

4. The lipstick irregular-shaped curved surface mold structure as defined in claim 1, wherein both sides of the upper mold are provided with top pressing blocks, and the top pressing blocks are provided with top pressing slopes; the side surfaces of the first sliding block and the second sliding block, which are far away from each other, are provided with guide inclined surfaces; the two pressing blocks are respectively used for pressing the first sliding block and the second sliding block during die assembly so as to enable the pressing inclined plane to be in sliding fit with the guide inclined plane and guide the first sliding block and the second sliding block to approach each other.

5. The lipstick irregular shaped curved surface mold structure as claimed in claim 4, wherein the upper mold is provided with a positioning insert, the outer sides of the first slider and the second slider are provided with positioning holes, the positioning insert is detachably connected with the upper mold, and the positioning insert is inserted into the positioning holes when the molds are closed.

6. The lipstick curved surface mold structure as claimed in claim 5, wherein said positioning insert is gradually inclined inward from top to bottom, and the structure of said positioning hole matches the structure of said positioning insert.

7. The lipstick curved mold structure as claimed in any one of claims 1-4, wherein said slider assemblies are provided in at least two sets.