CN216297802U - Forming structure of line ball terminal - Google Patents

Abstract

The utility model provides a forming structure of a wire pressing terminal, which is simple in structure and convenient to unload, and can effectively prevent the wire pressing terminal from deforming, stacking and damaging a surface coating, thereby ensuring the forming effect of a female end of the wire pressing terminal, and improving the production efficiency and the product quality; the forming clamp comprises an upper die for mounting a male die and a lower die for mounting a female die, wherein the female die is provided with a positioning seat, the male die comprises a male die which is obliquely carved and a forming clamp, the forming clamp is rotatably mounted on the upper die, the inner side of the forming clamp is provided with an elastic element, the outer side of the forming clamp is provided with a limiting block, and the male die is obliquely carved to enable a clamping opening of the forming clamp to be closed through the limiting block.

Description

Forming structure of line ball terminal

Technical Field

The utility model relates to the technical field of electronic component processing, in particular to a forming structure of a wire pressing terminal.

Background

The wire pressing terminal belongs to one type of connector and is used for connecting two isolated circuits so as to transmit current and signals and realize electrical connection; the wire pressing terminal is widely applied to the wiring process of wires and cables in various fields and environments, and the female end of the wire pressing terminal adopted by an ECU (electronic control unit) electric control system in an electric vehicle, such as an electric automobile and a motorcycle is mostly in a square box shape of a closed cylinder, so that the female end of the wire pressing terminal needs to be changed into the square box shape from a plane through a stamping and bending process during processing.

At present, the female end of the wire pressing terminal is molded as shown in fig. 1-4, a molding knife edge 5 matched with the molding shape of the female end 3 of the wire pressing terminal is arranged at the bottom end of a molding cutter 1 of a male die, the female end 3 of the wire pressing terminal subjected to the previous bending procedure is placed on a positioning seat 4 of a female die 2 and then is subjected to die assembly, the molding cutter 1 moves downwards to extrude the female end 3 of the wire pressing terminal, and the female end 3 is bent into a closed square box along with the molding knife edge 5 of the molding cutter 1; because the female end 3 of the wire pressing terminal is usually internally provided with the elastic tongue structures 301 and 302, a strip is usually required to be electroplated first, and then a single piece is punched and bent for forming, so that in the bending and forming process shown in fig. 3 and 4, surface coatings on two sides of the female end 3 of the wire pressing terminal are easily damaged, after forming is completed, the female end 3 of the wire pressing terminal is also easily adhered to a forming knife edge 5 and is difficult to normally unload, the wire pressing terminal is deformed or stacked, the product quality is low, and the production efficiency of processing is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a forming structure of a wire pressing terminal, which is simple in structure, convenient to unload and capable of effectively preventing the deformation and stacking of the wire pressing terminal and the damage of the surface plating layer, thereby ensuring the forming effect of the female end of the wire pressing terminal and improving the production efficiency and the product quality.

The utility model adopts the following technical scheme: the forming clamp comprises an upper die for mounting a male die and a lower die for mounting the female die, wherein the female die is provided with a positioning seat, and the forming clamp is characterized in that the male die comprises a male die and is obliquely wedged and a forming clamp, the forming clamp is rotatably mounted on the upper die, the inner side of the forming clamp is provided with an elastic element, the outer side of the forming clamp is provided with a limiting block, and the male die is obliquely wedged to enable a clamping opening of the forming clamp to be closed through the limiting block.

It is further characterized in that:

the male die wedges comprise a first wedge and a second wedge;

the forming clamp is positioned between the first inclined wedge and the second inclined wedge;

the first inclined wedge and the second inclined wedge are respectively tangent with the outer side of the forming clamp;

the forming clamp comprises a first swing block and a second swing block, and the upper ends of the first swing block and the second swing block are respectively rotatably installed on the upper die through a mandrel;

the first swing block and the second swing block are connected through the elastic element.

After the structure is adopted, the male die inclined wedge arranged on the upper die moves up and down, when the male die inclined wedge moves downwards, the male die inclined wedge enables the forming clamp to rotate inwards by taking the rotating end as a fulcrum through the limiting block, the clamp opening of the forming clamp is closed, and the female end of the line pressing terminal is subjected to inclusion punch forming from two sides, so that the mode of directly punch forming from the upper side in the prior art is replaced, and the scratch or scratch of a surface coating caused by the punching force from top to bottom on the female end of the line pressing terminal is avoided; when the terrace die carves the upward movement to one side, release the effort to the stopper, the shaping presss from both sides and uses the rotation end to outwards take place to rotate as the fulcrum under inboard elastic element's deformation restoring force effect, the mouth that presss from both sides of shaping is opened, can take out female fashioned line ball terminal, moreover, the steam generator is simple in structure, it is convenient to unload, thereby prevent that line ball terminal from adhering to in the mouth that presss from both sides of shaping clamp, cause line ball terminal to warp or fold the material, the shaping effect of line ball terminal female end has effectively been guaranteed, and the production efficiency and the product quality are improved.

Drawings

FIG. 1 is a schematic view of a prior art wire pressing terminal molding structure before mold assembly;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

FIG. 3 is a schematic view of a prior art press line terminal forming structure during mold closing;

fig. 4 is an enlarged schematic structural view at B in fig. 3.

FIG. 5 is a schematic view of an application of the present invention before clamping;

fig. 6 is an enlarged schematic view of the structure at C in fig. 5.

FIG. 7 is a schematic view showing the closing of the mold according to the application example of the present invention (upper and lower molds are omitted);

fig. 8 is an enlarged schematic view of the structure at D in fig. 7.

FIG. 9 is a schematic view of the application example of the present invention after the mold is opened (the upper mold and the lower mold are omitted);

fig. 10 is an enlarged schematic view of the structure at E in fig. 9.

Detailed Description

The utility model is further described with reference to the following application examples and drawings:

as shown in fig. 5 to 10, the utility model provides a forming structure of a line ball terminal, which comprises an upper die 12 for mounting a male die and a lower die 13 for mounting the female die 2, wherein the female die 2 is provided with a positioning seat 4, the male die comprises a male die inclined wedge 6 and a forming clamp 7, the forming clamp 7 is rotatably mounted on the upper die 12, the inner side of the forming clamp 7 is provided with an elastic element 10, and the outer side of the forming clamp 7 is provided with a limiting block 9, as shown in fig. 7 and 8, the male die inclined wedge 6 enables a clamping opening 11 of the forming clamp 7 to be closed through the limiting block 9, so that the forming clamp 7 performs inclusion punching on a female end 3 of the line ball terminal from two sides to form a square box of a closed cylinder, and the limiting block is convenient for controlling and adjusting the pressing height of the male die inclined wedge, thereby ensuring the forming effect.

As shown in fig. 5-10, the male die wedge 6 comprises a first wedge 6a and a second wedge 6b, the forming clamp 7 is located between the first wedge 6a and the second wedge 6b, and the first wedge 6a and the second wedge 6b are respectively tangent to the outer side of the forming clamp 7, so that the compactness of the structure is improved, the space is saved, the acting force of the male die wedge on a limiting block is conveniently controlled, the acting force is balanced and stable, and the forming accuracy of the female end of the line pressing terminal is improved.

As shown in fig. 5 to 10, the forming clamp 7 includes a first swing block 7a and a second swing block 7b, and upper ends of the first swing block 7a and the second swing block 7b are respectively rotatably mounted on the upper die 12 through a mandrel 8; the first swing block 7a and the second swing block 7b are connected through an elastic element 10, preferably, the elastic element 10 is a telescopic spring, the elastic restoring force performance is good, and the cost is low; first pendulum piece 7a and second pendulum piece 7b set up not only conveniently to adjust and control the shaping and press from both sides 7 and press from both sides the dynamics and the angle of folding of mouthful 11, make things convenient for the shaping to press from both sides the maintenance and the dismouting of 7 moreover, improve the female 3 shaping effects of line ball terminal.

The working principle is as follows: as shown in fig. 5 and 6, before the mold closing, the clamping opening 11 of the forming clamp 7 is opened, the female end 3 of the line pressing terminal which is subjected to the previous bending process is placed on the positioning seat 4 of the female mold 2, then the mold closing is carried out as shown in fig. 7 and 8, the male mold wedges 6 arranged on the male mold move downwards and enable the first swing block 7a and the second swing block 7b of the forming clamp 7 to rotate inwards with the mandrel 8 as a fulcrum through the limiting block 9, the clamping opening 11 of the forming clamp 7 is closed, so that the forming clamp 7 carries out the inclusion punch forming on the female end 3 of the line pressing terminal from two sides, then as shown in fig. 9 and 10, the mold opening is carried out after the forming is completed, the male mold wedges 6 move upwards to release the acting force on the limiting block 9, the forming clamp 7 rotates outwards with the mandrel 8 as a fulcrum under the deformation restoring force of the inner elastic element 10, the first swing block 7a and the second swing block 7b rotate outwards with the mandrel 8 as a fulcrum, and the clamping opening 11 of the forming clamp 7, the clamp on the wire pressing terminal is removed, the molded wire pressing terminal of the female end 3 can be taken out, the structure is simple, and the discharging is convenient.

As shown in fig. 1 to 4, in the conventional molding of the female end 3 of the wire pressing terminal, a molding tool 1 of a male die directly punches the female end 3 of the wire pressing terminal from above, and the female end 3 of the wire pressing terminal is extruded from top to bottom by the limitation of the top end and the two side walls of a molding knife edge 5 at the bottom end of the molding tool 1 to be molded, on one hand, the female end 3 of the wire pressing terminal is transversely tightened into a square box shape of a closed cylinder, and the extrusion molding acting force of the molding tool 1 is longitudinal, so that the molding knife edge 5 is easy to scratch or scratch the surface coatings on the two sides of the female end 3 of the wire pressing terminal; on the other hand, as the forming cutter 1 punches the wire pressing terminal from top to bottom, the wire pressing terminal is limited by the forming precision of the wire pressing terminal, the size of the forming knife edge 5 and the influence of the punching force and the surface coating, after the die is opened, the wire pressing terminal is easily adhered to the forming knife edge 5 of the forming cutter 1, so that the material is difficult to unload, the wire pressing terminal is deformed or stacked, and the quality of the wire pressing terminal is influenced; in addition, if the pressing height is improperly controlled, the lower end of the forming knife edge 5 of the forming cutter 1 is easy to collide with the female die 2, so that equipment is damaged, and production safety is affected.

According to the utility model, the male die inclined wedges 6 move downwards to apply acting force to the limiting blocks 9 on the forming clamps 7, so that the forming clamps are folded inwards, namely towards the female ends of the line pressing terminals, and the female ends 3 of the line pressing terminals are subjected to inclusion punch forming from two sides, so that the forming mode from top to bottom in the prior art is replaced, and the forming direction of the female ends of the line pressing terminals is consistent with that of the female ends of the line pressing terminals, and therefore, the surface coating of the female ends of the line pressing terminals can be effectively prevented from being scratched or scratched; after punch forming is completed, when the die is opened, the male die is obliquely wedged to move upwards, the forming clamp is opened outwards to remove the clamping of the line pressing terminal, so that the line pressing terminal can be prevented from being adhered to a clamping opening of the forming clamp, the line pressing terminal is prevented from being deformed or stacked, the forming effect of the female end of the line pressing terminal is ensured, the production efficiency and the product quality are improved, and the line pressing terminal is formed, taken and placed by changing the closing state and the opening state through rotation of the forming clamp, so that the position of the clamping opening of the forming clamp 7 is relatively determined, equipment damage caused by improper control of the pressing height is effectively avoided, and the production safety is high.

Claims (6)

1. The utility model provides a forming structure of line ball terminal, its lower mould including the last mould of installation terrace die and installation die, the die is equipped with positioning seat, its characterized in that: the male die comprises a male die inclined wedge and a forming clamp, the forming clamp is rotatably arranged on the upper die, an elastic element is arranged on the inner side of the forming clamp, a limiting block is arranged on the outer side of the forming clamp, and the male die inclined wedge enables a clamping opening of the forming clamp to be closed through the limiting block.

2. The structure of claim 1, wherein: the male die wedges comprise a first wedge and a second wedge.

3. The structure of claim 2, wherein: the forming clamp is positioned between the first inclined wedge and the second inclined wedge.

4. The structure of claim 2, wherein: the first inclined wedge and the second inclined wedge are respectively tangent with the outer side of the forming clamp.

5. The structure of claim 1, wherein: the forming clamp comprises a first swing block and a second swing block, and the upper ends of the first swing block and the second swing block are respectively rotatably installed on the upper die through a mandrel.

6. The structure of claim 5, wherein: the first swing block and the second swing block are connected through the elastic element.

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