CN220499745U - Inside and outside integrated into one piece mould of wire rod charges - Google Patents

Abstract

The inner and outer integrated forming die comprises an upper die, a lower die and a positioning piece, wherein a lower outer forming cavity and a lower inner forming cavity are arranged on the lower die, the lower inner forming cavity forms an inner layer, and the lower outer forming cavity forms an outer layer outside the inner layer; the upper die is provided with a corresponding upper inner forming cavity and a corresponding upper outer forming cavity; the lower die is characterized in that a limiting groove is formed in the top surface of the lower die, the lower portion of the locating piece is embedded in the limiting groove, the upper portion of the locating piece is embedded in the bottom surface of the upper die, and a locating groove is formed in the inner side surface of the locating piece corresponding to the forming cavity. According to the utility model, the inner layer forming die and the outer layer forming die are integrated on the same die, so that the equipment cost and occupied space are reduced, and the labor cost and the material transferring time are reduced. Greatly improves the production efficiency, reduces the production cost, has strong practicability and has stronger popularization significance.

Description

Inside and outside integrated into one piece mould of wire rod charges

Technical Field

The utility model relates to the field of injection molds, in particular to an inner and outer integrated forming mold for a charging wire.

Background

With the continuous improvement of the international status of the manufacturing industry in China, the mold industry is rapidly developed, the demand of the mold is multiplied, the production period is shorter and shorter, and the mold production is changed from multi-variety small-batch production to single-piece production into variety diversity, production process diversity and production capacity complexity. The injection mold is generally suitable for thermoplastic plastic heating molding, and utilizes the hot melting principle of thermoplastic plastic to inject molten plastic into a cavity of the mold through an injection molding machine, then cooling and shaping, and opening the mold to take out a plastic product.

The mobile phone data line and the computer data line are used for connecting mobile equipment and a computer to achieve the aim of data transmission or charging, so that the precision requirement on the data line joint is very high; transferring to another outer layer forming mold, and forming an outer layer outside the inner layer to form the final product.

However, in the processing mode, two processing equipment/dies are needed, so that the equipment cost is high, and a large space is occupied; meanwhile, two staff are needed to operate respectively, and the labor cost is high. After the inner layer is formed, transferring the semi-finished product to another device to form the outer layer; the transfer time is increased and a special transfer tool is required. For some products produced in small batches, the preparation method has the problems of low production efficiency and high production cost; is disadvantageous to the beneficial development of the company.

Disclosure of Invention

Based on the above, it is necessary to provide an inner and outer integrated molding die for a charging wire rod, which aims at the defects in the prior art.

An inner and outer integrated forming die of a charging wire is used for forming an inner layer on the outer side of a product and forming an outer layer on the outer side of the inner layer; the positioning piece is detachably arranged on the lower die, and the upper die is covered on the lower die and the positioning piece; the lower die is provided with a lower outer forming cavity and a lower inner forming cavity which are arranged side by side and are positioned on the same side of the positioning piece, and the arrangement direction of the lower outer forming cavity and the lower inner forming cavity is consistent with the extension direction of the positioning piece; the lower inner forming cavity forms the inner layer, and the lower outer forming cavity forms the outer layer outside the inner layer; the upper die is provided with an upper inner forming cavity and an upper outer forming cavity which correspond to the lower inner forming cavity and the lower outer forming cavity; the lower die is characterized in that a limiting groove is formed in the top surface of the lower die, the lower portion of the locating piece is embedded in the limiting groove, the upper portion of the locating piece is embedded in the bottom surface of the upper die, and a locating groove is formed in the inner side surface of the locating piece corresponding to the forming cavity.

Further, the lower die is further provided with an insert group, the insert group comprises an outer side insert and a middle side insert, the top surface of the lower die plate is provided with an insert wide groove and an insert long groove, the outer side insert is embedded in the insert wide groove, the middle side insert is embedded in the insert long groove, and the middle side insert is located between the positioning piece and the outer side insert.

Further, the insert set further comprises a first insert and a second insert, the first insert is embedded in the outer insert, an insert inner groove is further formed in the lower inner molding area, the insert inner groove is arranged between the insert long groove and the limiting groove, and the second insert is embedded in the insert inner groove.

Further, a notch is further formed on one side of the lower inner molding area of the insert wide groove, and the first insert is arranged in the notch.

Further, the insert set further comprises a first outer insert, an insert outer groove is formed in the lower outer molding area, the insert outer groove is arranged between the insert wide groove and the insert long groove, and the first outer insert is embedded in the insert outer groove.

Further, the cross section of the locating piece is arranged in a five-sided meter mode, the inner side of the locating piece is arranged vertically, the outer side of the locating piece corresponding to the locating piece is arranged in a convex sharp corner mode, and a corner structure is formed by combining two inclined faces.

Further, the insert wide groove is provided with a positioning hole and a positioning groove which are communicated, the positioning insert is arranged in the positioning hole, and the positioning groove is arranged in the insert block.

Further, the middle part of the upper die is provided with a glue injection port, two groups of runners extend from two sides of the upper die, and the two groups of runners respectively correspond to the lower inner molding cavity and the lower outer molding cavity; and one side of the glue injection port is also provided with a main runner, and the main runner is connected with two groups of sub-runners.

Further, a separation sheet is further arranged at the joint of the main runner and the two sub-runners, the top end of the separation sheet extends outside the upper template, a driving device is arranged at the separation side of the separation sheet, and the driving device can drive the separation sheet to move up and down.

Further, the device also comprises a main control device, wherein two separation sheets are arranged, and the two separation sheets are respectively arranged at the joint of the main runner and the left side sub-runner and the joint of the main runner and the right side sub-runner; the main control device is in signal communication with the driving device of the separation sheet.

In summary, the inner layer forming die and the outer layer forming die are integrated on the same die, so that the equipment cost and occupied space are reduced, and the labor cost and the material transferring time are reduced. Greatly improves the production efficiency and reduces the production cost, is particularly suitable for the production of small-batch products, has strong practicability and has stronger popularization significance.

Drawings

FIG. 1 is a schematic diagram of a process variation of a charging wire;

FIG. 2 is a schematic diagram showing an exploded structure of an inner and outer integrated molding die for a charging wire according to the present utility model;

FIG. 3 is an exploded view of the lower mold of FIG. 2;

FIG. 4 is a schematic view of the upper die of FIG. 2;

fig. 5 is a schematic view of a runner structure of the mold of fig. 1.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

As shown in fig. 1 to 5, the present utility model provides an inner and outer integrated forming die for a charging wire, which is used for processing the charging wire. It will be appreciated that in other embodiments it may also be used to shape other products, not limited to processing wire.

As shown in fig. 1, the charging wire is one of the processed charging wires, and the charging wire includes a main terminal 10a and a plurality of wires 20a welded to one side of the main terminal 10a, a sub-terminal 30a is welded to the other end of the wires 20a, and the plurality of sub-terminals 30a may be the same type or different types, and the charging wire is not limited herein. The welding positions of the main connector end 10a, the sub-connectors 30a and the wires 20a are sequentially provided with an inner injection molding inner layer 40a and an injection molding outer layer 50a from inside to outside, and the injection molding inner layer 40a is wrapped at the joint 31a of the connector and the wires 20 a. In this embodiment, the connection portion 31a includes a soldering position and a wire extending from the lead 20a to be connected to the soldering position. The injection molding outer layer 50a is wrapped around the injection molding inner layer 40a and the inner side end portions of the main joint end 10a and the sub-joint 30 a.

The inside and outside integrated forming die of a charging wire rod comprises an upper die 10, a lower die 20 and a positioning piece 30, wherein the positioning piece 30 is detachably arranged on the lower die 20, and the upper die 10 is covered on the lower die 20 and the positioning piece 30. The lower die 20 comprises a lower die plate 21, a limiting groove 24 and a lower forming area, wherein the lower forming area is arranged on the inner side of the limiting groove 24. The positioning piece 30 is detachably embedded in the limiting groove 24, the cross section of the positioning piece 30 is in a five-sided arrangement, the inner side surface 31 of the positioning piece is in a vertical arrangement, the outer side surface 32 corresponding to the positioning piece is in an outwards convex pointed arrangement, and the positioning piece is combined by two inclined surfaces to form an angle structure. The shape of the outer side 32 is designed to be convenient for being arranged in the limit groove 24 and the upper die 10 to be smoothly guided into and covered on the lower die 20.

The lower molding zone comprises a lower inner molding zone 22 and a lower outer molding zone 23 which are arranged on the top surface of the lower die plate 21, wherein the lower inner molding zone 22 and the lower outer molding zone 23 are arranged side by side. The lower inner molding region 22 is provided with one or more lower inner molding cavities 221, and the lower outer molding region 23 is provided with one or more lower outer molding cavities 231. In this embodiment, two sets of the lower inner molding cavity 221 and the lower inner molding cavity 221 are provided, and the lower inner molding cavity 221 are arranged at one side, and the extending direction of the lower inner molding cavity 221 is identical to the extending direction of the positioning member 30. In this embodiment, the lower inner molding cavity 221 and the lower outer molding cavity 231 each occupy half of the top surface of the lower mold, and it is understood that in other embodiments, the lower inner molding cavity 221 and the lower outer molding cavity 231 may be disposed at a crossing interval.

An insert set is further provided on the molding area of the top surface of the lower mold 20, and the insert set includes an outer insert 251, a middle insert 252, a first inner insert 253, a second inner insert 254, a first outer insert 255, a positioning insert 256, and an insert 257. The top surface of the lower die plate 21 is provided with an insert wide groove 211, an insert long groove 212, an insert outer groove 213 and an insert inner groove 214 in a lower molding area, the insert outer groove 213 is arranged between the insert wide groove 211 and the insert long groove 212, and the insert inner groove 214 is arranged between the insert long groove 212 and the limit groove 24. The insert wide groove 211 and the insert long groove 212 transversely penetrate through the lower inner molding region 22 and the lower outer molding region 23, the insert outer groove 213 is provided in the lower outer molding region 23, and the insert inner groove 214 is provided in the lower inner molding region 22. The outer insert 251 is embedded in the insert wide groove 211, the middle insert 252 is embedded in the insert long groove 212, the first outer insert 255 is embedded in the insert outer groove 213, the second inner insert 254 is embedded in the insert outer groove 213, in this embodiment, two insert outer grooves 213 are provided, and two corresponding second inner inserts 254 are provided.

The wide insert slot 211 is provided with a plurality of positioning holes 215 and positioning slots 246 which are communicated, the positioning insert 256 is arranged in the positioning holes 215 in a penetrating way, the positioning insert 256 is arranged in a shape, the middle part of the positioning insert 256 is provided with an embedded slot, and the insert 257 is arranged in the positioning slots 246. The width of the insert groove is identical to the width of the main joint 10a, and the thickness of the insert 257 is set according to the thickness to be formed below the main joint 10 a. The positioning insert 256 and the insert block 257 can be replaced according to the shape and size of the product, so that the application range of the die is wider. In addition, the insert wide groove 211 is further provided with a notch portion at the side of the lower inner molding region 23, and the first insert 253 is installed in the notch portion.

Clamping grooves are formed in the top surfaces of the middle insert 252, the first inner insert 253, the second inner insert 254 and the first outer insert 255, the depth of each clamping groove is larger than the thickness of the corresponding wire 20a, and therefore wires can be well positioned, and the situation that the wires deviate from the clamping grooves in a deviated mode and are separated from the follow-up forming is avoided. In addition, the first insert 253 corresponds to the connection 31a on one side of the main joint 10a, the second insert 254 corresponds to the connection of the sub-joint 30a, and the first insert 253, the second insert 254 and the middle insert 252 limit the welding position and the middle of the wire, respectively, so as to facilitate injection molding of the inner layer 40a. While the first outer insert 255 and the middle insert 252 are limited corresponding to the semi-finished wire to form the injection molded outer layer 50a.

The upper die 10 comprises an upper die plate 11, an upper inner forming area and an upper outer forming area, wherein the upper inner forming area and the upper outer forming area are arranged on the bottom surface of the upper die plate 11, an upper inner forming cavity is arranged in the upper inner forming area, an upper outer forming cavity is arranged in the upper outer forming area, the upper outer forming cavity and the lower outer forming cavity are correspondingly combined up and down to form an outer forming cavity, and the upper inner forming cavity and the lower inner forming cavity are combined to form an inner forming cavity; the upper outer molding cavity and the lower outer molding cavity and the upper inner molding cavity and the lower inner molding cavity have basically the same structure. In addition, the lower outer forming die cavity and the lower inner forming die cavity are symmetrically arranged on the product structure.

The middle part of the upper die 10 is provided with a glue injection port 12, two groups of runner channels 13 extend from two sides, and the two groups of runner channels 13 respectively correspond to an inner molding cavity and an outer molding cavity. A main runner 121 is further arranged on one side of the glue injection port 12, and the main runner 121 is connected with two groups of sub-runners 13. A separation sheet (not shown) is further disposed at the connection position between the main flow channel 121 and the two sub-flow channels 13, the top end of the separation sheet extends outside the upper mold plate 11, and a driving device is disposed at the separation side of the separation sheet, and the driving device can drive the separation sheet to move up and down. The number of the separation sheets is two, and the two separation sheets are respectively arranged at the joint of the main runner 121 and the left side diversion runner 13 and the joint of the main runner 121 and the right side diversion runner 13. Which is used to separate the left or right side runners so that the main runner 121 enters only the right side runner 13 or the left side runner 13, thereby allowing the mold to operate in a single molding zone while no glue is flowed into the other molding zone.

The mold is also provided with a main control device, and the main control device is provided with three working modes, namely normal circulation of two side flow channels and right side flow channel. When the inner molding area and the outer molding area are required to work normally, a normal circulation mode is started. If only one side is required to circulate and work and the other side is not required to enter the glue, the corresponding mode is started. It can be understood that if the different modes are different in time length, the system can be designed according to the requirements, and when the modes are switched, the data of the feeding time length and the pressure maintaining time length are automatically called. The driving device of the separation sheets is connected with the main control device in a signal mode, and when the normal mode is started, the two separation sheets move upwards simultaneously to open the two side sub-runners. When only one side is needed to work, the separation sheet drives the side separation sheet to move upwards to open the sub-runner. When only one inner layer or one outer layer is required to be processed (reworked, or maintained, or tested in small batch products), the structure can reduce the waste of materials to a large extent.

In operation, the upper die 10 and the lower die 20 are opened, the positioning piece 30 is taken out, and the sub-joint 30a end of the welded wire product is inserted into the positioning groove 246 corresponding to the inner layer forming region 23 on the positioning piece 30; while the positioning groove 246 corresponding to the outer layer forming region 22 is left empty. Then, inserting the positioning piece 30 back into the limiting groove 24, and sequentially embedding the lead wire of the welding wire and the main joint 10a into the second inner insert 254, the middle insert 252, the first inner insert 253 and the positioning insert 256; after positioning, the semi-finished wire is molded by die assembly and injection molding.

After the die is opened, the positioning piece 30 is inserted into the empty positioning groove 246 according to the previous method; turning over the positioning piece 30 to enable the semi-finished product of the formed inner layer to correspond to one side of the forming area of the outer layer, and enabling the non-formed welding wire to correspond to one side of the forming area of the inner layer; the wire-filled retainer 30 is inserted back into the limit groove 24. The semifinished product is embedded in the lower outer shaping zone 23, while the weld wire is embedded in the lower inner shaping zone 22; and (5) die assembly and injection molding.

After the die is opened, taking out the finished product of the lower outer molding area 23, and then inserting a new welding wire; turning over the positioning member 30 again to place a new wire on one side of the lower inner forming zone 22; while the semifinished product is placed on the side of the lower outer shaping zone 23. The process is repeated.

In summary, the inner layer forming die and the outer layer forming die are integrated on the same die, so that the equipment cost and occupied space are reduced, and the labor cost and the material transferring time are reduced. Greatly improves the production efficiency and reduces the production cost, and is especially suitable for the production of small-batch products. In addition, locating pieces and inserts on the forming die can be detached and replaced according to actual products, so that the application range and the utilization rate of the die can be improved, the practicability is high, and the die has a strong popularization meaning.

The above examples illustrate only one embodiment of the utility model, which is described in more detail and is not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. An inner and outer integrated forming die of a charging wire is used for forming an inner layer on the outer side of a product and forming an outer layer on the outer side of the inner layer; the method is characterized in that: the positioning piece is detachably arranged on the lower die, and the upper die is covered on the lower die and the positioning piece; the lower die is provided with a lower outer forming cavity and a lower inner forming cavity which are arranged side by side and are positioned on the same side of the positioning piece, and the arrangement direction of the lower outer forming cavity and the lower inner forming cavity is consistent with the extension direction of the positioning piece; the lower inner forming cavity forms the inner layer, and the lower outer forming cavity forms the outer layer outside the inner layer; the upper die is provided with an upper inner forming cavity and an upper outer forming cavity which correspond to the lower inner forming cavity and the lower outer forming cavity; the lower die is characterized in that a limiting groove is formed in the top surface of the lower die, the lower portion of the locating piece is embedded in the limiting groove, the upper portion of the locating piece is embedded in the bottom surface of the upper die, and a locating groove is formed in the inner side surface of the locating piece corresponding to the forming cavity.

2. The charging wire inner and outer integrated molding die as claimed in claim 1, wherein: the lower die is characterized in that an insert group is further arranged on the lower die and comprises an outer side insert and a middle insert, an insert wide groove and an insert long groove are formed in the top surface of the lower die plate, the outer side insert is embedded in the insert wide groove, the middle insert is embedded in the insert long groove, and the middle insert is located between the positioning piece and the outer side insert.

3. The charging wire inner and outer integrated molding die as claimed in claim 2, wherein: the insert set further comprises a first inner insert and a second inner insert, the first inner insert is embedded in the outer insert, an insert inner groove is further formed in the lower inner molding area, the insert inner groove is arranged between the insert long groove and the limiting groove, and the second inner insert is embedded in the insert inner groove.

4. A charging wire inner and outer integrated molding die as claimed in claim 3, wherein: the insert wide groove is further provided with a notch part at one side of the lower side inner molding area, and the first insert is arranged in the notch part.

5. The charging wire inner and outer integrated molding die as claimed in claim 2, wherein: the insert set further comprises a first outer insert, an insert outer groove is formed in the lower outer molding area, the insert outer groove is arranged between the insert wide groove and the insert long groove, and the first outer insert is embedded in the insert outer groove.

6. The charging wire inner and outer integrated molding die as claimed in claim 1, wherein: the cross section of the locating piece is in a five-side surface arrangement, the inner side surface of the locating piece is in a vertical arrangement, the outer side surface corresponding to the locating piece is in an outwards convex sharp corner arrangement, and a corner structure is formed by combining two inclined surfaces.

7. The charging wire inner and outer integrated molding die as claimed in claim 2, wherein: the wide groove of the insert is provided with a positioning hole and a positioning groove which are communicated, the positioning hole is internally provided with a positioning insert, and the positioning groove is arranged on the insert block.

8. The charging wire inner and outer integrated molding die as claimed in claim 1, wherein: the middle part of the upper die is provided with a glue injection port, two groups of runners extend from two sides of the upper die, and the two groups of runners respectively correspond to the lower inner molding cavity and the lower outer molding cavity; and one side of the glue injection port is also provided with a main runner, and the main runner is connected with two groups of sub-runners.

9. The charging wire inner and outer integrated molding die as claimed in claim 8, wherein: the junction of sprue and two sub-runners still is provided with the separator, the top of separator extends in the cope match-plate pattern outside to be provided with drive arrangement in this separator branch side, this drive arrangement can drive the separator and reciprocate.

10. The charging wire inner and outer integrated molding die as claimed in claim 9, wherein: the device also comprises a main control device, wherein two separation sheets are arranged, and the two separation sheets are respectively arranged at the joint of the main runner and the left side sub-runner and the joint of the main runner and the right side sub-runner; the main control device is in signal communication with the driving device of the separation sheet.