CN217257941U

CN217257941U - Downward bending processing die for plug

Info

Publication number: CN217257941U
Application number: CN202122941548.4U
Authority: CN
Inventors: 王荣启
Original assignee: Dongguan Dahui Precision Plastic Cement Technology Co ltd
Current assignee: Dongguan Dahui Precision Plastic Cement Technology Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-08-23
Anticipated expiration: 2031-11-26

Abstract

The utility model relates to the technical field of injection molding, in particular to a plug downward bending processing die, which comprises an upper die base, a lower die base and a bending part, wherein the lower die base is provided with a lower die set, a lower die core is arranged in the lower die set, the upper die base is provided with an upper die set, an upper die core is arranged in the upper die set, the upper die core is connected with the lower die core in a closing way, a forming cavity is formed by enclosing the upper die core and the lower die core, one side of the forming cavity is provided with a movable groove, the bending part is provided with a push block and a forming plate, the forming plate is positioned in the forming cavity and is positioned at two opposite sides of the forming cavity with the movable groove, the push block is connected with the movable groove in a sliding way, the structure is simple, the design is reasonable, the downward bending and the injection molding of a plug can be realized with high precision through the matching of the forming cavity, the forming plate and the push block moves towards the forming plate when in processing, the plug terminal is bent to a preset angle, and the terminal is fixed in the molding cavity, so that the terminal is prevented from rebounding, and the terminal is molded by injection once again, so that the processing precision is high.

Description

Downward bending processing die for plug

Technical Field

The utility model relates to an injection moulding technology especially relates to a plug mold processing that bends down.

Background

At present, in the plug actual production process, all adopt the mould that can mould plastics in batches to carry out machine-shaping, and some have the kink in the plug, it needs buckle the back with metal terminal wherein, process again, but current mould, in the course of working, can't provide accurate bending process, perhaps the fixed effect after buckling is poor, the plug finished product yield that leads to processing out is low, consequently, it is necessary to improve the plug mold processing among the prior art, in order to satisfy the processing demand better.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a plug recurvation mold processing, its simple structure, reasonable in design, the recurvation injection molding of the plug of being convenient for.

The utility model adopts the technical proposal that:

the utility model provides a plug mold processing that bends down, includes upper die base, die holder and the portion of bending, the die holder is equipped with down the module, be provided with down the mold core down in the module, the upper die base is equipped with the module, be provided with the mold core in the upper die set, go up the mold core with the mold core is closed to being connected down, just go up the mold core with the mold core encloses to establish down and is formed with the one-tenth die cavity, one side of one-tenth die cavity is equipped with the movable groove, the portion of bending is equipped with ejector pad and profiled sheeting, the profiled sheeting is located the one-tenth die cavity, and with the movable groove is located the both sides that become the die cavity is relative, the ejector pad with the movable groove slidingtype is connected.

The further improvement of the technical scheme is that the forming plate is provided with a plurality of vertical grooves for fixing the terminals, the upper mold core is provided with a first positioning groove, and the upper mold base is provided with a first positioning slide block matched with the first positioning groove.

The further improvement of the technical scheme is that the lower die base is provided with a first positioning rod for limiting the first positioning slide block.

The technical scheme is further improved in that the push block is provided with a shaping part, a positioning part and a pushing part, the positioning part is in contact with the outer side of the movable groove, the shaping part is located in the shaping cavity, the positioning part is provided with a through hole, the pushing part is provided with a push rod, and the push rod can stretch into the through hole and is connected with the shaping part.

The technical scheme is further improved in that the pushing block is further provided with a group of guide portions, and the group of guide portions are arranged at two ends of the positioning portion.

The further improvement of the technical scheme is that the push block is also provided with a second positioning groove, and the upper die base is provided with a second positioning rod matched with the second positioning groove.

The technical proposal is further improved in that the push rod is provided with a buffer spring.

The technical scheme is further improved in that the lower die holder is further provided with a base plate, a die foot block and an ejector plate, the die foot block is mounted on the base plate, the ejector plate is located in the middle of the die foot block, and the lower die set is located at the top end of the die foot block.

The technical scheme is further improved in that an ejector pin is arranged on the ejector plate and is located right below the forming cavity.

The technical proposal is further improved that an injection molding flow passage and a squirt nozzle are arranged in the upper die base, and the injection molding flow passage is respectively communicated with the molding cavity and the squirt nozzle.

The beneficial effects of the utility model are as follows:

the utility model comprises an upper die base, a lower die base and a bending part, wherein the lower die base is provided with a lower die core, the lower die core is arranged in the lower die base, the upper die base is provided with an upper die core, the upper die core is arranged in the upper die base and is connected with the lower die core in a folding way, a forming cavity is formed by the upper die core and the lower die core, one side of the forming cavity is provided with a movable groove, the bending part is provided with a push block and a forming plate, the forming plate is positioned in the forming cavity and is positioned at two opposite sides of the forming cavity together with the movable groove, the push block is connected with the movable groove in a sliding way, the structure is simple, the design is reasonable, the downward bending and the injection molding of a plug can be realized with high precision through the matching of the forming cavity, the forming plate and the push block, when in processing, the push block moves towards the forming plate, bends a plug terminal to a preset angle and fixes the terminal in the forming cavity, the terminal is prevented from rebounding, and the terminal is formed through injection molding once again, so that the machining precision is high.

Drawings

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

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

fig. 3 is a schematic structural view of the push block of the present invention;

fig. 4 is a schematic structural view of the forming plate of the present invention;

description of reference numerals: 1. the injection molding device comprises an upper die holder, 11 parts of an upper die set, 111 parts of an upper die core, 1111 parts of a first positioning groove, 12 parts of a first positioning slide block, 13 parts of an injection molding runner, 14 parts of a squirt nozzle, 2 parts of a lower die holder, 211 parts of a lower die core, 22 parts of a first positioning rod, 23 parts of a base plate, 24 parts of a die foot block, 25 parts of an ejector pin plate, 3 parts of a bending part, 31 parts of a push block, 311 parts of a shaping part, 312 parts of a positioning part, 313 parts of a pushing part, 3131 parts of a push rod, 314 parts of a guide part, 315 parts of a second positioning groove, 32 parts of a forming plate, 321 parts of a vertical groove, 4 parts of a forming cavity and 41 parts of a movable groove.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to 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", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but 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 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

As shown in fig. 1 to 4, the plug downward-bending processing mold of this embodiment includes an upper mold base 1, a lower mold base 2, and a bending portion 3, the lower mold base 2 has a lower mold 21, a lower mold core 211 is disposed in the lower mold 21, the upper mold base 1 has an upper mold 11, an upper mold core 111 is disposed in the upper mold 11, the upper mold core 111 is connected to the lower mold core 211 in an involutive manner, a forming cavity 4 is defined by the upper mold core 111 and the lower mold core 211, a movable groove 41 is disposed on one side of the forming cavity 4, the bending portion 3 has a push block 31 and a forming plate 32, the forming plate 32 is disposed in the forming cavity 4 and is disposed on two opposite sides of the forming cavity 4 with the movable groove 41, the push block 31 is slidably connected to the movable groove 41, the structure is simple, the design is reasonable, and by matching the forming cavity 4, the forming plate 32, and the push block 31, the downward bending and injection molding of the plug can be realized with high precision, during processing, the push block 31 moves towards the molding plate 32 to bend the plug terminal to a preset angle, and the terminal is fixed in the molding cavity 4, so that the terminal is prevented from rebounding, and the processing precision is high after one-time injection molding. 321

Specifically, wherein, be equipped with a plurality of vertical recesses that are used for fixed terminal on the shaped plate 32, it is equipped with first locating slot 1111 to go up mold core 111, first locating slot 322, upper die base 1 be equipped with first locating slider 12 of first locating slot 322 assorted, lower die base 2 is equipped with and is used for injecing first locating rod 22 of first locating slider 12, such setting of this embodiment, accomplish the terminal and buckle the back of pushing down, upper die base 1 and 2 compound dies of lower die base, first locating slider 12 can block between first locating slot 322 and the first locating rod 22, and the position of shaped plate 32 is fixed to can guarantee that the terminal pushes down to predetermineeing the angle after, can not remove the position again, with the injection-molded processing of realization high accuracy.

On the basis of the above embodiment, the push block 31 is provided with a shaping portion 311, a positioning portion 312 and a pushing portion 313, the positioning portion 311 contacts with the outer side of the movable slot 41, the shaping portion 311 is located in the shaping cavity 4, the positioning portion 312 is provided with a through hole, the pushing portion 313 is provided with a push rod 3131, the push rod 3131 can extend into the through hole and is connected with the shaping portion 311, specifically, the push block 31 is further provided with a guide portion 314, the guide portion 314 is provided with a set, the set of guide portions 314 is installed at two ends of the positioning portion 312, the push block 31 is further provided with a second positioning slot 315, the upper die holder 1 is provided with a second positioning rod matched with the second positioning slot 315, the push rod 3131 is provided with a buffer spring, in this embodiment, by providing the guide portion 314, it is ensured that no direction deviation occurs in the process of pushing the shaping portion 311, thereby ensuring the accuracy of the machining.

Lower bolster 2 still is equipped with base plate 23, mould foot piece 24 and thimble board 25, mould foot piece 24 install in base plate 23, thimble board 25 is located in the middle of mould foot piece 24, lower module 21 is located mould foot piece 24 top, be equipped with the thimble on the thimble board 25, the thimble is located under the die cavity 4, simple structure in this embodiment, reasonable in design, processing and drawing of patterns are convenient.

The injection molding device is characterized in that an injection molding flow passage 13 and a sprue bushing 14 are arranged in the upper die base 1, the injection molding flow passage 13 is respectively communicated with the molding cavity 4 and the sprue bushing 14, and the pressure of injection molding materials entering the molding cavity 4 can be effectively adjusted through the arrangement of the injection molding flow passage 13 and the sprue bushing 14 in the embodiment, so that a better injection molding effect is realized.

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

Claims

1. The utility model provides a plug mold processing that bends down, its characterized in that, includes upper die base, die holder and the portion of bending, the die holder is equipped with down the module, be provided with down the mold core down in the module, the upper die base is equipped with the module, be provided with the mold core in the last module, go up the mold core with the lower mold core is to closing the connection, just go up the mold core with the lower mold core encloses to establish and is formed with into the die cavity, become die cavity one side and be equipped with the movable groove, the portion of bending is equipped with ejector pad and profiled sheeting, the profiled sheeting is located the shaping intracavity, and with the movable groove is located the both sides that become the die cavity is relative, the ejector pad with the movable groove slidingtype is connected.

2. The plug downward-bending processing die according to claim 1, wherein a plurality of vertical grooves for fixing terminals are formed in the forming plate, a first positioning groove is formed in the upper die core, and a first positioning slide block matched with the first positioning groove is arranged on the upper die base.

3. The plug downbend machining die of claim 2, wherein the lower die holder is provided with a first positioning rod for limiting the first positioning slider.

4. The downward bending processing die for the plug according to claim 1, wherein the push block is provided with a shaping portion, a positioning portion and a pushing portion, the positioning portion is in contact with the outer side of the movable groove, the shaping portion is located in the shaping cavity, the positioning portion is provided with a through hole, the pushing portion is provided with a push rod, and the push rod can extend into the through hole and is connected with the shaping portion.

5. The downward bending processing die for the plug according to claim 4, wherein the pushing block is further provided with a group of guiding parts, and the group of guiding parts are arranged at two ends of the positioning part.

6. The downward bending processing die for the plug according to claim 4, wherein the pushing block is further provided with a second positioning groove, and the upper die base is provided with a second positioning rod matched with the second positioning groove.

7. The plug downward bending processing die according to claim 4, wherein a buffer spring is arranged on the push rod.

8. The plug downwarping processing die of claim 1, wherein the lower die holder is further provided with a base plate, a die leg block and an ejector plate, the die leg block is mounted on the base plate, the ejector plate is located in the middle of the die leg block, and the lower die set is located at the top end of the die leg block.

9. The mold for downward bending of plugs according to claim 8, wherein said ejector plate is provided with ejector pins, and said ejector pins are located right below said molding cavities.

10. The mold of claim 1, wherein the upper mold base has an injection runner and a sprue, and the injection runner is connected to the molding cavity and the sprue respectively.