CN218342685U

CN218342685U - Forming die for preventing wire from being crushed

Info

Publication number: CN218342685U
Application number: CN202222526710.0U
Authority: CN
Inventors: 胡亚利
Original assignee: Huizhou Hehong Wire & Cable Co ltd
Current assignee: Huizhou Hehong Wire & Cable Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-01-20
Anticipated expiration: 2032-09-23

Abstract

The utility model relates to a prevention wire rod crush forming die, including last mould and lower mould, go up the die cavity between mould and the lower mould, die cavity one side is equipped with the wire casing and prevents pressing the structure, and the wire casing is prevented pressing the structure including fixing at last anti-compression strip of last mould downside, fixes the lower anti-compression strip of lower mould upside, prevents down that the compression strip is equipped with the appearance wire casing with the die cavity intercommunication, the appearance wire casing is tubaeform, on prevent that the compression strip is equipped with the wire casing with appearance wire casing adaptation, when going up mould and lower mould and folding, form the through-hole between compression wire casing and the appearance wire casing, the wire rod is located the through-hole position, at the in-process of production, put into the tubaeform appearance wire casing with the product wire rod, at the in-process of last mould pushing down, through the effect of the wire casing of last mould, certain wire rod guide effect has, the condition that the wire rod crushed can not appear like this, simultaneously, after setting up wire casing and wire casing, certain prevention slow-moving action of staff has, make things convenient for production operation, to new staff, can directly put on duty operation to reduce the training cost, improve production efficiency.

Description

Forming die for preventing wire from being crushed

Technical Field

The utility model relates to a wire rod production mould especially relates to a prevention wire rod crushing forming die.

Background

The wire rod reaches certain requirement of swaing test and electric property, need set up the sheath at the wire rod both ends, in process of production, at first be connected the both ends sinle silk and the terminal of wire rod, then mould plastics terminal and wire rod junction and form the sheath, at the in-process of moulding plastics, in order to avoid the sizing material to overflow to the wire rod surface, need form through mould with wire rod and mould mold core department and seal, however, when setting up sealedly, cause the crushing of wire rod again easily, thereby influence the quality of product.

Among the prior art, generally set up to circular or oval in mould wire rod position, mainly be in order to form sealedly this moment, at the in-process of production, do not have the prevention and crush the wire rod function, also lead to the wire rod easily to be crushed by the mould and hurt bad problems such as broken skin, dew copper wire, deckle edge, broken string, at the in-process of operation, need have certain operation experience just can guarantee the quality of product, new staff's training on duty is difficult, inefficiency.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a wire rod crush-prevention forming die for solving the problems in the prior art.

The utility model provides a prevention wire rod crush forming die, a serial communication port, includes mould and lower mould, go up the die cavity between mould and the lower mould, die cavity one side is equipped with the wire casing and prevents pressing the structure, the wire casing is prevented pressing the structure and is fixed the lower anti-pressing strip at the lower mould upside including fixing at last anti-pressing strip of last mould downside, prevent pressing the strip down and be equipped with the appearance line groove that communicates with the die cavity, the appearance line groove is tubaeform, on prevent pressing the strip be equipped with the line groove of appearance line groove adaptation, when going up mould and lower mould and folding, form the through-hole between line groove and the line groove, the wire rod is located the through-hole position.

In one embodiment, the lower pressure-proof strip is provided with a protrusion, the line accommodating groove is arranged at the position of the protrusion, and the upper pressure-proof strip is provided with a groove corresponding to the protrusion.

In one embodiment, the wire accommodating groove comprises a groove bottom, the groove bottom is an arc surface matched with the wire, the upper side of the groove bottom is an arc surface extending to the upper side of the protrusion, and the opening of the arc surface faces the direction of the lower die.

In one embodiment, a feeding structure is arranged in the cavity and comprises an upper feeding strip fixed to the lower side of an upper die, a lower feeding strip fixed to the upper side of a lower die, the upper feeding strip and the lower feeding strip are abutted after the upper die and the lower die are closed, a material channel is formed in the abutting surface of the upper feeding strip and the lower feeding strip, an SR cavity used for forming a wire material SR through injection molding is further formed in the upper feeding strip and the lower feeding strip, and the SR cavity is communicated with the material channel.

In one embodiment, the feeding structure is abutted against and arranged in parallel with the line groove pressure-proof structure, and the SR cavity is arranged opposite to the line accommodating groove.

In one embodiment, the wire groove pressure-proof structure and the feeding structure can be detachably connected with the upper die and the lower die.

In one embodiment, the lower die is provided with a terminal die strip, the terminal die strip is provided with a terminal positioning hole, and the terminal of the wire is inserted into the terminal positioning hole during injection molding.

In one embodiment, the contact surface of the upper die and the lower die is provided with a wire groove through which a wire penetrates, and the wire groove is used for communicating the wire containing groove with the outside of the die.

Above-mentioned prevention wire rod crush injury forming die, adopt tubaeform open-ended appearance wire casing, in-process at production, put into tubaeform appearance wire casing with the product wire rod, at the in-process that the mould pushed down, effect through the line groove of pressing of last mould, certain wire rod is led just effect has, the condition that the wire rod crushed injury can not appear like this, and simultaneously, after setting up appearance wire casing and line groove, certain fool-proofing effect has, make things convenient for staff's production operation, to new staff, can directly go on duty the operation, thereby reduce the training cost, and the production efficiency is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the forming mold for preventing the wire from being crushed;

FIG. 2 is a schematic view of the lower die structure of the forming die for preventing the wire from being crushed;

FIG. 3 is a structural diagram of the wire groove pressure-proof structure of the wire rod pressure-proof forming die of the present invention;

fig. 4 is a schematic view of the structure of the lower anti-crush bar of the wire rod crush-prevention forming die of the present invention;

FIG. 5 is a schematic view of the structure of the press bar of the wire rod damage prevention forming mold of the present invention;

fig. 6 is a schematic view of the structure of the lower feeding strip of the forming die for preventing the wire from being crushed;

wherein, 1, an upper die; 2. a lower die; 3. a wire groove pressure-proof structure; 31. an upper waterproof strip; 32. a lower waterproof batten; 33. a wire accommodating groove; 331. the bottom of the wire slot; 332. a cambered surface; 34. pressing a wire groove; 35. a through hole; 36. a protrusion; 4. a feed structure; 41. an upper feeding bar; 42. feeding strips downwards; 43. a material channel; 44. an SR cavity; 5. a terminal mold strip; 6. wire groove.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 6, a prevention wire rod crush forming die, includes mould 1 and lower mould 2, go up the die cavity between mould 1 and the lower mould 2, die cavity one side is equipped with wire casing pressure-proof structure 3, wire casing pressure-proof structure 3 is including fixing on the last pressure bar 31 of last mould 1 downside, fixes the lower pressure bar 32 at lower mould 2 upside, lower pressure bar 32 is equipped with the wire holding groove 33 with the die cavity intercommunication, wire holding groove 33 is tubaeform, it is equipped with the pressure wire casing 34 with wire holding groove 33 adaptation to go up pressure bar 31, when going up mould 1 and lower mould 2 and folding, form through-hole 35 between pressure wire casing 34 and the wire holding groove 33, the wire rod is located through-hole 35 position.

Adopt tubaeform open-ended appearance wire casing 33, in the in-process of production, put into tubaeform appearance wire casing 33 with the product wire rod, in-process going down last mould 1, effect through last mould 1's wire casing 34, certain wire rod is led and is just acted on, the condition that the wire rod pressed wound can not appear like this, and simultaneously, after setting up appearance wire casing 33 and wire casing 34, certain fool-proofing effect has, make things convenient for staff production operation, to new staff, can directly go on duty the operation, thereby reduce the training cost, and the production efficiency is improved.

In the production process, the wire is placed in the position of the wire accommodating groove 33 of the lower compression-preventing strip 32, so that in order to facilitate the placement process, in the embodiment, the lower compression-preventing strip 32 is provided with a protrusion 36, the wire accommodating groove 33 is arranged at the position of the protrusion 36, and the upper compression-preventing strip 31 is provided with a groove corresponding to the protrusion 36. The arch 36 of this moment is higher than the side on the lower mould 2, and at the in-process of moulding plastics like this, the wire rod is placed at the in-process of holding wire casing 33 more convenient, and simultaneously, the wire casing 33 that holds of arch 36 also has certain fool-proofing effect, at the in-process of use, guarantees the security of production operation.

Hold wire casing 33 and be tubaeform, specifically be the trumpet-shaped that the opening faces up, after placing the wire rod in holding wire casing 33 like this, the holding wire casing 33 of loudspeaker shape can be so that the wire rod can be smooth remove to holding wire casing 33 bottom, specific, it includes wire casing bottom 331 to hold wire casing 33, wire casing bottom 331 is the cambered surface 332 with the wire rod adaptation, the cambered surface 332 of wire casing bottom 331 upside for extending to protruding 36 upper flank, cambered surface 332 opening is towards 2 directions of lower mould. Wire containing groove 33 is mainly used for placing the wire rod, set up wire containing groove 33 into the tubaeform that the upside opening is big, the downside opening is little this moment, after placing the wire rod in wire containing groove 33, because wire containing groove 33's both sides are cambered surface 332, in the in-process that goes up mould 1 and push down, if the wire rod does not place the wire rod bottom position of wire containing groove 33 bottommost, under the effect of going up mould 1, the wire rod can move down to the position of wire bottom portion 331 along cambered surface 332, presss from both sides tightly between last mould 1 and lower mould 2 at last.

In order to guarantee the pleasing to the eye of the back product of moulding plastics, in this embodiment, be equipped with feed structure 4 in the die cavity, feed structure 4 include with last mould 1 downside rigidity last feeding strip 41, 2 upside rigidity of lower mould have lower feeding strip 42, go up after mould 1 and lower mould 2 fold, go up feeding strip 41 and lower feeding strip 42 butt, it is equipped with material way 43 to go up feeding strip 41 and lower feeding strip 42 butt face, it still is equipped with the SR die cavity 44 that is used for moulding plastics to form the wire rod SR to go up feeding strip 41 and lower feeding strip 42, SR die cavity 44 and material way 43 intercommunication. At this moment, SR die cavity 44 and the die cavity intercommunication between last mould 1 and the lower mould 2, that is to say, set up the feed inlet of die cavity in wire rod SR position, therefore, after the completion of moulding plastics, the feed point that the wire rod surface formed and material says the intercommunication between 43 also is located wire rod SR department position, can avoid influencing the holistic pleasing to the eye of wire rod at the feed point that the wire rod terminal surface formed, and simultaneously, because wire rod SR department is equipped with a plurality of intervals parallel bending prevention portion, when keeping away from wire rod SR position with the feed inlet setting, cause easily that the wire rod SR position is not filled with, the condition of scarce glue, in this embodiment, set up the feed inlet in wire rod SR position, then can avoid appearing this kind of condition.

At this time, since the material channel 43 entering the cavity is disposed at the position of the feeding structure 4, in order to ensure the overall aesthetic appearance of the mold design, in this embodiment, the feeding structure 4 is abutted against the line slot pressure-preventing structure 3 and arranged in parallel, and the SR cavity 44 is disposed opposite to the line receiving slot 33. Furthermore, the wire groove pressure-proof structure 3 and the feeding structure 4 can be detachably connected with the upper die 1 and the lower die 2. At this moment, the wire groove pressure-proof structure 3 and the feeding structure 4 are detachably connected with the upper die 1 and the lower die 2, and when products of different models are produced, the wire groove pressure-proof structure 3 and the feeding structure 4 are arranged or changed according to actual needs, other structures of the die are not needed, and only the wire groove pressure-proof structure 3 and the feeding structure 4 need to be changed.

In the process of moulding plastics, it needs to expose some of the terminal, can not be wrapped up by the injection molding material, consequently, in this embodiment, lower mould 2 is equipped with terminal mould strip 5, terminal mould strip 5 is equipped with the terminal locating hole, when moulding plastics, the terminal of wire rod is inserted in the terminal locating hole. Before injection molding, the terminal is inserted into the terminal positioning hole, then the wire is placed in the wire accommodating groove 33, the upper die 1 is moved downwards to be folded with the lower die 2, and injection molding is carried out, so that injection molding is completed.

In the process that mould 1 and lower mould 2 foldd, in order to avoid last mould 1 and lower mould 2 to crush the wire rod, in this embodiment, it is equipped with wire rod groove 6 that the wire rod wore out to go up mould 1 and lower mould 2 contact surface, wire rod groove 6 will hold line groove 33 and the outside intercommunication of mould. After the wire is placed in the wire accommodating groove 33, the outer side of the wire extends to the outer side of the die from the position of the wire groove 6, and the height of the wire groove 6 at the moment is larger than the diameter of the wire, so that the surface of the wire is prevented from being crushed.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the 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 prevention wire rod crush forming die, a serial communication port, includes mould and lower mould, go up the die cavity between mould and the lower mould, die cavity one side is equipped with the wire casing and prevents pressing the structure, the wire casing is prevented pressing the structure and is fixed the lower anti-pressing strip at the lower mould upside including fixing at last anti-pressing strip of last mould downside, prevent pressing the strip down and be equipped with the appearance line groove that communicates with the die cavity, the appearance line groove is tubaeform, on prevent pressing the strip be equipped with the line groove of appearance line groove adaptation, when going up mould and lower mould and folding, form the through-hole between line groove and the line groove, the wire rod is located the through-hole position.

2. The wire crush injury prevention forming die as claimed in claim 1, wherein the lower crush prevention bar is provided with a protrusion, the wire accommodating groove is provided at a position of the protrusion, and the upper crush prevention bar is provided with a groove corresponding to the protrusion.

3. The wire crush-prevention forming die as claimed in claim 2, wherein the wire accommodating groove comprises a groove bottom, the groove bottom is an arc surface adapted to the wire, the upper side of the groove bottom is an arc surface extending to the upper side of the protrusion, and the opening of the arc surface faces the lower die.

4. The wire crush prevention forming die as claimed in claim 3, wherein a feeding structure is arranged in the cavity, the feeding structure includes an upper feeding bar fixed to a lower side of the upper die, a lower feeding bar fixed to an upper side of the lower die, the upper feeding bar and the lower feeding bar abut against each other after the upper die and the lower die are closed, a feeding channel is arranged on an abutting surface of the upper feeding bar and the lower feeding bar, the upper feeding bar and the lower feeding bar are further provided with an SR cavity for injection molding to form a wire SR, and the SR cavity is communicated with the feeding channel.

5. The wire crush prevention forming die of claim 4, wherein the feeding structure is abutted against and arranged side by side with a wire groove crush prevention structure, and the SR cavity is arranged opposite to the wire accommodating groove.

6. The wire crush-prevention forming die for the wire of claim 5, wherein the wire groove crush-prevention structure and the feeding structure are detachably connected with the upper die and the lower die.

7. The wire crush prevention mold according to claim 5, wherein the lower mold is provided with a terminal mold strip, the terminal mold strip is provided with terminal positioning holes, and terminals of the wire are inserted into the terminal positioning holes when the terminals are injection molded.

8. The wire crush injury prevention forming die as claimed in claim 5, wherein a wire groove through which the wire passes is formed in a contact surface of the upper die and the lower die, and the wire groove communicates the wire accommodating groove with the outside of the die.