CN216658691U

CN216658691U - Multiple forming die

Info

Publication number: CN216658691U
Application number: CN202122999479.2U
Authority: CN
Inventors: 胡普度
Original assignee: Dongguan Dawang Precision Mould Co ltd
Current assignee: Dongguan Dawang Precision Mould Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-06-03
Anticipated expiration: 2031-11-30

Abstract

The utility model relates to the technical field of injection molding processing, in particular to a multi-forming die, which comprises an upper die holder and a lower die holder, wherein the upper die holder is provided with a plurality of upper die cores, the lower die holder is provided with a lower die core, the upper die cores are provided with upper forming grooves, the upper forming grooves of the upper die cores are different, the lower die core is provided with a lower forming groove, the upper forming grooves can be respectively connected with the lower forming grooves in an involutive way and enclose different forming cavities, the utility model has simple structure and reasonable design, when in injection molding processing, different upper die cores are respectively placed in the upper die holder according to a forming sequence, so that the upper die and the lower die cores are matched for forming, after forming, the upper die core is replaced to complete a one-step forming process, the process is repeated, after the forming processing of the whole product is completed, the product can be taken out, and the multi-forming can be completed only by one set of dies, effectively avoids the problem that the product shrinks and the appearance of the product is influenced due to the molding of a plurality of sets of dies.

Description

Multiple forming die

Technical Field

The utility model relates to the technical field of injection molding processing, in particular to a multi-time forming die.

Background

The double-color injection molding is an operation method for performing injection molding simultaneously or sequentially through the same nozzle after plasticizing the same plastic with two different colors through two charging barrels. The product with various mixed color patterns and obvious color separation can be prepared by using two injection molding machines or a double-color injection molding machine for molding.

Because the double-color injection molding die in the prior art is only limited to a double-color die, double-color molding equipment and two sets of dies are needed, the cost is high, the difficulty is high, and the double-color injection molding die is not suitable for products in verification stages and small batches.

In view of the above, it is necessary to provide a new multi-forming mold to better solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a multi-time forming die which is simple in structure, reasonable in design and convenient to form and process.

The technical scheme adopted by the utility model is as follows:

the utility model provides a multiple molding die, includes upper die base and die holder, the upper die base is equipped with a plurality of upper die cores, the die holder is equipped with down the mold core, upper die core is equipped with the shaping groove, and is a plurality of the last shaping groove of upper die core establishes to different, lower mold core is equipped with down the shaping groove, and is a plurality of the upper shaping groove can respectively with the shaping groove is to closing the connection down to enclose and establish and form different shaping chambeies.

The further improvement of the technical proposal is that handles are arranged on two sides of the upper mold core.

The further improvement on the technical scheme is that the handle is arranged to be cylindrical, and a circular mounting groove is formed in one end, far away from the upper mold core, of the handle.

The technical scheme is further improved in that a groove for allowing the material to be processed to pass through is formed in the position, close to the lower forming groove, of the lower mold core.

The technical scheme is further improved that the lower die base is further provided with a base plate, die feet, an ejection assembly and a base plate, the die feet are mounted on the base plate, the base plate is mounted at the top ends of the die feet and connected with the lower die core, and the ejection assembly is located at the bottom end of the base plate and can extend to the forming cavity.

The technical scheme is further improved in that the ejection assembly comprises an ejection plate and an ejector pin which are connected with each other, the base plate is provided with a through hole for the ejector pin to pass through, and the top end of the ejector pin penetrates through the through hole and extends to the forming cavity.

The technical scheme is further improved in that the base plate is provided with a guide post, and the upper die core is provided with a matching hole matched with the guide post.

The technical scheme is further improved in that the upper die base is further provided with an injection molding channel and a sprue bushing, and the injection molding channel is communicated with the sprue bushing and the forming cavity respectively.

The utility model has the following beneficial effects:

the utility model comprises an upper die holder and a lower die holder, wherein the upper die holder is provided with a plurality of upper die cores, the lower die holder is provided with a lower die core, the upper die core is provided with an upper forming groove, the upper molding grooves of the upper mold cores are different, the lower mold core is provided with a lower molding groove, the upper molding grooves can be respectively connected with the lower molding grooves in an involutory manner, and enclose and form different shaping cavities, the utility model is simple in construction, reasonable in design, while moulding plastics and processing, according to the forming sequence, respectively placing different upper mould cores in the upper mould base, making them and lower mould core combined together, forming, the upper mold core is replaced to complete the one-step forming process, the steps are repeated, the product is taken out after the forming processing of the whole product is completed, the multi-time forming can be completed by only one set of die, so that the problem that the appearance of a product is influenced by shrinkage of the product caused by forming of multiple sets of dies is effectively avoided.

Drawings

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

FIG. 2 is a schematic structural diagram of an upper die holder according to the present invention;

FIG. 3 is a schematic structural view of the lower die holder of the present invention;

description of reference numerals: 1. the injection molding device comprises an upper die holder, 11 parts of an upper die core, 111 parts of an upper forming groove, 112 parts of a handle, 113 parts of a matching hole, 114 parts of an injection molding runner, 115 parts of a sprue bush, 2 parts of a lower die holder, 21 parts of a lower die core, 211 parts of a lower forming groove, 212 parts of a groove, 23 parts of a base plate, 24 parts of an ejection assembly, 241 parts of an ejection plate, 242 parts of an ejector pin, 25 parts of a backing plate and 251 parts of guide posts.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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 invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 3, the multiple molding die of this embodiment includes an upper die holder 1 and a lower die holder 2, the upper die holder 1 has a plurality of upper die cores 11, the lower die holder 2 has a lower die core 21, the upper die core 11 has an upper molding groove 111, the upper molding grooves 111 of the upper die cores 11 are different, the lower die core 21 has a lower molding groove 211, the upper molding grooves 111 can be respectively connected to the lower molding groove 211 in an involutive manner and enclose different molding cavities, the multiple molding die of the present invention has a simple structure and a reasonable design, when performing injection molding, according to a molding sequence, the different upper die cores 11 are respectively placed in the upper die holder 1 to be matched with the lower die core 21 for molding, after molding, the upper die core 11 is replaced to complete a molding process, and the process is repeated, after completing the molding process of the whole product, the product can be taken out, and the multiple molding can be completed by only one set of die, effectively avoids the problem that the product shrinks and the appearance of the product is influenced due to the molding of a plurality of sets of dies.

Specifically, wherein, it is equipped with handle 112 to go up mold core 11 both sides, more specifically, handle 112 sets up to the cylinder type, handle 112 keeps away from go up the one end of mold core 11, be equipped with circular mounting groove, through setting up handle 112 in this embodiment, the change of going up mold core 11 of being convenient for is used, its simple structure, and the practicality is strong.

The lower mold core 21 is close to the position of the lower forming groove 211 and is provided with a groove 212 for the material to be processed to pass through.

The lower die holder 2 is further provided with a base plate 22, a die leg 23, an ejection assembly 24 and a backing plate 25, the die leg 23 is mounted on the base plate 22, the backing plate 25 is mounted on the top end of the die leg 23 and connected with the lower die core 21, the ejection assembly 24 is located at the bottom end of the backing plate 25 and can extend to the forming cavity, the ejection assembly 24 comprises an ejection plate 241 and an ejector pin 242 which are connected with each other, the backing plate 25 is provided with a through hole for the ejector pin 242 to pass through, the top end of the ejector pin 242 penetrates through the through hole and extends to the forming cavity, the backing plate 25 is provided with a guide column 251, the upper die core 11 is provided with a matching hole 113 matched with the guide column 251, the structural arrangement of the lower die holder 2 is specifically shown in this embodiment, the structural design is simple and reasonable, the matching connection with the upper die holder 1 is facilitated, and the ejection of the processed product is facilitated, the processing and the use are very convenient.

The upper die holder 1 is also provided with an injection molding channel 114 and a sprue pump 115, the injection molding channel 114 is respectively communicated with the sprue pump 115 and the forming cavity, the structural design is simple, and the arrangement of the sprue pump 115 can effectively adjust the pressure of injection molding materials, so that the precision of injection molding is ensured

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The multiple molding die is characterized by comprising an upper die base and a lower die base, wherein the upper die base is provided with a plurality of upper die cores, the lower die base is provided with a lower die core, the upper die core is provided with upper molding grooves, the upper molding grooves of the upper die cores are different in arrangement, the lower die core is provided with a lower molding groove, and the upper molding grooves can be respectively connected with the lower molding grooves in an involutory mode and enclose different molding cavities.

2. The multiple-shot molding system of claim 1, wherein handles are provided on both sides of the upper core.

3. The multiple-pass molding apparatus according to claim 2, wherein the handle is cylindrical, and a circular mounting groove is formed at an end of the handle away from the upper core.

4. The multiple-pass molding apparatus according to claim 1, wherein the lower core has a groove for passing the material to be processed, at a position close to the lower molding groove.

5. The multiple-forming die of claim 1, wherein the lower die base further comprises a base plate, a die leg, an ejection assembly and a backing plate, the die leg is mounted on the base plate, the backing plate is mounted on the top end of the die leg and connected with the lower die core, and the ejection assembly is located at the bottom end of the backing plate and can extend to the forming cavity.

6. A multiple-pass forming die as claimed in claim 5, wherein said ejection assembly comprises an ejector plate and an ejector pin connected to each other, said base plate is provided with a through hole for said ejector pin to pass through, and the top end of said ejector pin penetrates through said through hole and extends to said forming cavity.

7. The multiple-forming die of claim 5, wherein the base plate is provided with guide posts, and the upper die core is provided with matching holes matched with the guide posts.

8. A multiple-shot forming die according to claim 1, wherein said upper die base further defines an injection channel and a sprue, said injection channel communicating with said sprue and said forming cavity, respectively.