CN220297691U - Forming die for camera shell - Google Patents

Abstract

The utility model relates to the technical field of camera injection molding production, in particular to a molding die for a camera shell, which comprises a bottom plate, a top plate, an upper die holder, a lower die holder, an upper die core and a lower die core, wherein the surface of the upper die core is inwards sunken to form a plurality of molding cavities, a first cambered surface molding area is arranged at the bottom of each molding cavity, a second cambered surface molding area is formed on the side wall of each molding cavity, a first molding table and a second molding table are arranged on each first cambered surface molding area, the first molding table is higher than the first cambered surface molding area, and a first molding groove is formed between each second molding table and each first cambered surface molding area. The inside of the molding cavity is reasonably designed with each molding area and the molding table, and the molding areas matched with the upper mold core and arranged by the molding blocks of the lower mold core are combined, so that the whole molding area can be well covered and filled with injection molding materials, the molding effect of the camera shell is ensured, the precision of products is ensured, the problems of dimensional deviation or deformation and the like are avoided, and the product quality is ensured.

Description

Forming die for camera shell

Technical Field

The utility model relates to the technical field of injection molding production of cameras, in particular to a forming die for a camera shell.

Background

The injection molding method is a method for producing and modeling industrial products, and is characterized in that molten materials are injected into a mold by pressure, products with specific shapes are obtained by cooling molding, the production speed is high, the efficiency is high, and products with complex shapes can be formed, so that the injection molding method is suitable for the molding processing fields of mass production, products with complex shapes and the like. The injection mold is a special tool for injection molding, and is usually made of metal, after molten material is injected into the mold, the molten material enters a molding area in the mold due to certain fluidity, the molding area in the mold is filled, and after the molding area is filled with the molten material, the mold can be opened to obtain a product after pressure maintaining, cooling and solidifying. Traditional camera product is comparatively simple, rule, and along with the development of technique, the function of camera is richer, and the functional area distribution of different function cameras is also different, and user's demand, aesthetic improvement in addition, the outward appearance shape etc. of camera also can carry out specific design, therefore the shell of camera has face and the opening etc. of different shapes, and traditional mould can't deal with the production of this kind of product, need develop the mould to specific camera product to carry out efficient production.

Disclosure of Invention

In order to solve the problems, the utility model provides a forming die for a camera housing.

The utility model is realized by the following scheme:

the forming die for the camera shell comprises a bottom plate and a top plate, and further comprises an upper die holder and a lower die holder which are correspondingly arranged, wherein an upper die core and a lower die core which are matched with each other are arranged on the side, facing the lower die holder, of the upper die holder, and the lower die core is connected on the side, facing the upper die holder, of the lower die holder; the surface of the upper die core is inwards concave to form a plurality of forming cavities, a first cambered surface forming area is formed at the bottom of each forming cavity, a second cambered surface forming area is formed on the side wall of each forming cavity, a first forming table and a second forming table are arranged on each first cambered surface forming area, the first forming tables are higher than the first cambered surface forming area, and a first forming groove is formed between each second forming table and each first cambered surface forming area.

Further, the second cambered surface forming area is provided with two first forming concave stations, and the two first forming concave stations are oppositely arranged. The two first forming concave tables enable the second cambered surface forming zone to form a flat surface at the two positions.

Further, a forming opening is formed in the second cambered surface forming area, close to the second forming table, and penetrates through the side face of the upper die core.

Further, the forming die for the camera housing further comprises a side forming assembly, wherein the side forming assembly comprises a fixing column connected with the top plate, and a forming insert block arranged below the fixing column, and the forming insert block is inserted into the forming opening. The molding assembly is matched with the molding opening, so that the opening at the bottom of the product can be molded.

Further, a first boss is arranged at the position, corresponding to the forming port, of one face, facing the lower die core, of the upper die core, and a first groove matched with the boss is arranged at the position, corresponding to the boss, of the lower die core. The arrangement of the first boss and the first groove is not only convenient for forming the opening at the bottom, but also plays a role in die assembly and positioning.

Further, two molding cavities are arranged, and the two molding cavities are arranged in a central symmetry mode.

Further, forming blocks matched with the forming cavities are arranged on the surface of the lower die core, and the number of the forming blocks corresponds to the number of the forming cavities; the forming block is provided with a third cambered surface forming area and a fourth cambered surface forming area, the third cambered surface forming area corresponds to the first cambered surface forming area, and the fourth cambered surface forming area corresponds to the second cambered surface forming area.

Further, a second forming concave table is arranged at the position of the third cambered surface forming area corresponding to the first forming table, a third forming table is arranged at the position of the third cambered surface forming area corresponding to the second forming table, a second forming groove is arranged between the third forming table and the third cambered surface forming area, and the position of the second forming groove corresponds to the first forming groove.

Further, the forming die for the camera shell further comprises two die legs arranged on the bottom plate, a thimble assembly is arranged between the two die legs, and the lower die holder is connected to the top of the die legs.

Further, the forming die for the camera shell further comprises a cooling assembly, wherein the cooling assembly comprises a first cooling water channel, a second cooling water channel and a third cooling water channel, the first cooling water channel and the second cooling water channel are arranged in the upper die core, and the third cooling water channel is arranged in the lower die core. The arrangement of the three cooling water channels can shorten the cooling time and make the injection molding process more efficient.

Compared with the prior art, the utility model has the following beneficial effects:

the inside of the molding cavity is reasonably designed with each molding area and the molding table, and the molding areas matched with the upper mold core and arranged by the molding blocks of the lower mold core are combined, so that the injection molding material can well cover and fill the whole molding area, the injection molding efficiency is improved, the molding effect of the camera shell is ensured, the precision of a product is ensured, the problems of dimensional deviation or deformation and the like are avoided, and the product quality is ensured. The smooth transition between each molding area makes the overall stress of the mold reasonable, reduces friction and vibration in the injection molding process, and prolongs the service life of the mold. Meanwhile, the upper die core is provided with two molding cavities, so that injection molding of two products can be performed at one time, and the production efficiency is improved. On the other hand, the upper die core and the lower die core are provided with cooling components, so that the integral cooling effect is ensured, and the single injection molding time is further shortened.

Drawings

Fig. 1 is a schematic diagram of a molding die for a camera housing according to the present utility model.

Fig. 2 is a schematic diagram of the overall structure of the present utility model.

FIG. 3 is a diagram showing the combination of the upper and lower mold cores according to the present utility model.

FIG. 4 is a schematic view of the upper mold core of the present utility model.

FIG. 5 is a schematic view of a lower mold insert of the present utility model.

Fig. 6 is a schematic diagram showing the distribution of the first waterway and the second waterway according to the present utility model.

The figure comprises the following components:

the bottom plate 1, the top plate 2, the upper die holder 3, the lower die holder 4, the upper die core 5, the forming cavity 51, the first cambered surface forming area 511, the first cambered surface forming area 512, the first forming table 513, the second forming table 514, the first forming groove 515, the first forming concave table 516, the forming port 517, the first boss 52, the lower die core 6, the first groove 61, the forming block 62, the third cambered surface forming area 621, the fourth cambered surface forming area 622, the second forming concave table 623, the third forming table 624, the second forming groove 625, the side forming assembly 7, the fixing post 71, the forming insert 72, the die foot 8, the ejector pin assembly 9, the cooling assembly 10, the first cooling water channel 101, the second cooling water channel 102 and the third cooling water channel 103.

Detailed Description

In order to facilitate an understanding of the present utility model by those skilled in the art, the present utility model will be described in further detail with reference to specific examples and drawings.

Referring to fig. 1-6, the utility model provides a forming die for a camera housing, which comprises a bottom plate 1, a top plate 2, an upper die holder 3 and a lower die holder 4 which are correspondingly arranged, and an upper die core 5 and a lower die core 6 which are matched, wherein the upper die core 5 is connected with one side of the upper die holder 3 facing the lower die holder 4, and the lower die core 6 is connected with one side of the lower die holder 4 facing the upper die holder 3; the surface of the upper mold core 5 is recessed inwards to form a plurality of molding cavities 51, a first cambered surface molding area 512511 is formed at the bottom of the molding cavities 51, a second cambered surface molding area is formed at the side wall of the molding cavities 51, a first molding table 513 and a second molding table 514 are arranged on the first cambered surface molding area 512511, the first molding table 513 is higher than the first cambered surface molding area 512511, and a first molding groove 515 is formed between the second molding table 514 and the first cambered surface molding area 512511. The first contoured region 512511 and the second contoured region have a relatively smooth transition therebetween such that the transition between the two contoured surfaces of the product is also smoother.

The second cambered surface forming zone is provided with two first forming concave tables 516, and the two first forming concave tables 516 are oppositely arranged. The two first molding concave tables 516 enable the second cambered surface molding area to form a flat surface at the two positions, and the positions of the lower die core 6 corresponding to the first molding concave tables 516 are provided with corresponding molding surfaces.

The second cambered surface forming region is provided with a forming opening 517 near the second forming table 514, and the forming opening 517 penetrates through the side surface of the upper die core 5.

The forming die for the camera housing further comprises a side forming assembly 7, the side forming assembly 7 comprises a fixing column 71 connected with the top plate 2, and a forming insert 72 arranged below the fixing column 71, and the forming insert 72 is inserted into the forming opening 517. The molding assembly cooperates with the molding opening 517 to mold the opening in the bottom of the product. The upper die holder 3 is also provided with a through hole corresponding to the forming hole 517 for inserting the forming insert 72.

The position that one side of going up mould benevolence 5 towards lower mould benevolence 6 corresponds shaping mouth 517 is provided with first boss 52, the position that lower mould benevolence 6 corresponds the boss is provided with first recess 61 that matches with the boss, the position that one side of going up mould benevolence 5 towards lower mould benevolence 6 corresponds first shaping concave station 516 is provided with the second recess, the position that lower mould benevolence 6 corresponds the boss is provided with the second boss that matches with the boss, and the second boss is provided with three, is located lower mould benevolence 6 both ends respectively to and the position between two shaping pieces 62, the second boss is the arc boss. The arrangement of the first boss 52 and the first groove 61 not only facilitates the forming of the opening at the bottom, but also plays a role in die assembly and positioning, and the second boss and the second groove are similar.

Two molding cavities 51 are arranged, and the two molding cavities 51 are arranged in a central symmetry manner. In this embodiment, two products can be injection molded simultaneously by one mold, so that injection molding efficiency is improved.

The surface of the lower die core 6 is provided with forming blocks 62 matched with the forming cavities 51, and the number of the forming blocks 62 corresponds to the number of the forming cavities 51; the forming block 62 is provided with a third cambered surface forming region 621 and a fourth cambered surface forming region 622, the third cambered surface forming region 621 corresponds to the first cambered surface forming region 512511, and the fourth cambered surface forming region 622 corresponds to the second cambered surface forming region. In addition, the molding block 62 is further provided with a plurality of round holes to form screw connection posts inside the product during the molding process.

A second molding concave station 623 is disposed at a position of the third cambered surface molding area 621 corresponding to the first molding station 513, a third molding table 624 is disposed at a position of the third cambered surface molding area 621 corresponding to the second molding station 514, a second molding groove 625 is disposed between the third molding table 624 and the third cambered surface molding area 621, and the second molding groove 625 corresponds to the first molding groove 515. The first molding table 513 and the second molding table 514 of the upper mold core 5 specifically correspond to two openings on the front side of the product, and can be matched with the second molding concave table 623 and the third molding table 624 of the lower mold core 6 to realize the molding of the structure of the two openings on the front side of the product.

The forming die for the camera shell further comprises two die legs 8 arranged on the bottom plate 1, a thimble assembly 9 is arranged between the two die legs 8, and the lower die holder 4 is connected to the top of the die legs 8.

The molding die for the camera housing further comprises a cooling assembly 10, wherein the cooling assembly 10 comprises a first cooling water channel 101, a second cooling water channel 102 and a third cooling water channel 103, wherein the first cooling water channel 101 and the second cooling water channel 102 are arranged in the upper die core 5, and the third cooling water channel 103 is arranged in the lower die core 6. In this embodiment, the main molding area is located in the upper mold core 5, so two cooling channels are provided in the upper mold core 5. The arrangement of the three cooling water channels can shorten the cooling time and make the injection molding process more efficient. As shown in fig. 6, the distribution mode of the first cooling water channel 101 and the second cooling water channel 102 is that the product pieces (i.e. the molding areas corresponding to the mold closing areas of the upper mold core 5 and the lower mold core 6) are used as references, wherein the first cooling water channel 101 is provided with two groups corresponding to the molding areas of two product pieces, and the first cooling water channel 101 and the second cooling water channel 102 form an upper layer and a lower layer, so as to achieve better cooling effect.

In addition, other structures such as the guide post of the mold are more conventional structures, and are not described in detail herein. The inside of the molding cavity 51 of the utility model is reasonably designed with each molding area and molding table, and the molding area matched with the upper mold core 5 and arranged by combining the molding block 62 of the lower mold core 6 ensures that the injection molding material can well cover and fill the whole molding area, ensures the molding effect of the camera shell, ensures the precision of the product, avoids the problems of dimensional deviation or deformation, and the like, and ensures the quality of the product. The smooth transition between each molding area makes the overall stress of the mold reasonable, reduces friction and vibration in the injection molding process, and prolongs the service life of the mold. Meanwhile, the upper die core 5 is provided with two forming cavities 51, so that injection molding of two products can be performed at one time, and the production efficiency is improved. On the other hand, the upper die core 5 and the lower die core 6 are provided with the cooling assembly 10, so that the integral cooling effect is ensured, and the single injection molding time is further shortened.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is merely for convenience in describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "connected," "fixed" and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

While the utility model has been described in conjunction with the specific embodiments above, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, all such alternatives, modifications, and variations are included within the scope of the appended claims.

Claims (10)

1. The forming die for the camera shell comprises a bottom plate and a top plate, and is characterized by further comprising an upper die holder and a lower die holder which are correspondingly arranged, wherein an upper die core and a lower die core are matched, the upper die core is connected to one side of the upper die holder facing the lower die holder, and the lower die core is connected to one side of the lower die holder facing the upper die holder; the surface of the upper die core is inwards concave to form a plurality of forming cavities, a first cambered surface forming area is formed at the bottom of each forming cavity, a second cambered surface forming area is formed on the side wall of each forming cavity, a first forming table and a second forming table are arranged on each first cambered surface forming area, the first forming tables are higher than the first cambered surface forming area, and a first forming groove is formed between each second forming table and each first cambered surface forming area.

2. The molding die for a camera housing according to claim 1, wherein the second cambered surface molding zone is provided with two first molding concave tables, and the two first molding concave tables are oppositely arranged.

3. The molding die for the camera housing according to claim 2, wherein a molding opening is provided at a position of the second cambered surface molding zone close to the second molding table, and the molding opening penetrates through a side surface of the upper die core.

4. The molding die for a camera housing of claim 1, further comprising a side molding assembly including a fixed post connected to the top plate, and a molding insert disposed below the fixed post, the molding insert being inserted into a molding opening.

5. The molding die for the camera housing according to claim 2, wherein a first boss is provided at a position of the upper die core facing the lower die core corresponding to the molding opening, and a first groove matching the boss is provided at a position of the lower die core corresponding to the boss.

6. The molding die for a camera housing according to claim 2, wherein two molding cavities are provided, and the two molding cavities are arranged in a center-symmetrical manner.

7. The molding die for the camera housing according to claim 2, wherein the surface of the lower die core is provided with molding blocks matched with the molding cavities, and the number of the molding blocks corresponds to the number of the molding cavities; the forming block is provided with a third cambered surface forming area and a fourth cambered surface forming area, the third cambered surface forming area corresponds to the first cambered surface forming area, and the fourth cambered surface forming area corresponds to the second cambered surface forming area.

8. The molding die for a camera housing according to claim 7, wherein a second molding concave table is provided at a position of the third cambered surface molding zone corresponding to the first molding table, a third molding table is provided at a position of the third cambered surface molding zone corresponding to the second molding table, a second molding groove is provided between the third molding table and the third cambered surface molding zone, and a second molding groove position corresponds to the first molding groove.

9. The molding die for a camera housing according to claim 1, further comprising two die legs disposed on the bottom plate, a thimble assembly disposed between the two die legs, and the lower die holder being connected to the top of the die legs.

10. The mold for a camera housing of claim 1, further comprising a cooling assembly comprising a first cooling water channel disposed in the upper mold core, a second cooling water channel, and a third cooling water channel disposed in the lower mold core.