CN211151032U - Novel connector terminal composite forming structure - Google Patents

Abstract

The utility model relates to a novel connector terminal composite forming structure, including lower mould floating bottom, shaping slider and shaping public, lower mould floating bottom top one end is equipped with the product portion of placing that is used for placing the product, and the looks remote site of its top and product portion of placing is provided with the location slider, and the public upper portion of floating the bottom in the lower mould of setting in of shaping, one side that shaping is public is equipped with the punching press head, sets up the one side at the lower mould floating bottom in shaping slider slidable. The novel connector terminal composite forming structure provided by the technical scheme of the utility model is convenient for adjusting the bending forming angle of a product, is suitable for connectors with different bending angles of the formed terminal, has universality and further reduces the production cost; the surface scratch of the terminal is slight, and the surface quality of the connector is improved; and this shaping structure maintenance rate is low, can guarantee that production goes on in succession, and production efficiency is high.

Description

Novel connector terminal composite forming structure

Technical Field

The utility model discloses a novel connector terminal composite forming structure and forming method belongs to five metals stamping manufacturing technical field.

Background

In the production process of the connector, the terminal of the connector needs to be bent after electroplating to be finally formed. Because the metal terminal is a core part of the connector for completing the electric connection function, the precision requirement is extremely high, and correspondingly, the requirement on the dimensional tolerance of the terminal bending forming is extremely high. However, the existing terminal bending and forming structure has serious scratch on the surface coating of the terminal, and the surface quality of the terminal is seriously influenced. And the bending angle of the terminal is not easy to adjust by the existing bending forming structure, different forming structures are needed for processing different connectors, and the cost is high.

Disclosure of Invention

An object of the utility model is to provide a novel connector terminal composite forming structure to solve the difficult adjustment of the angle of bending of the current shaping structure of bending to the terminal among the above-mentioned background art, can not process the connector that the terminal angle of bending is different, it is with high costs.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a novel connector terminal composite forming structure, includes that the lower mould floats end, shaping slider and shaping is public, the lower mould floats end top one end and is equipped with the product that is used for placing the product and places the portion, its top with the looks remote site that the portion was placed to the product be provided with the lower mould floats end sliding connection's location slider, the public top of floating the end of setting in the lower mould of shaping, the public one side that corresponds the product portion of placing of shaping is equipped with the punching press head, shaping slider slidable ground sets up one side that the end was floated to the lower mould.

Preferably, the forming male is detachably connected with the punching head.

Preferably, a clamping groove is formed in the side face, connected with the stamping head, of the forming male, a clamping hook matched with the clamping groove is arranged on one side of the stamping head, and the forming male is clamped with the stamping head through the clamping groove and the clamping hook.

Preferably, the clamping groove is provided with a clamping portion and a limiting portion, the clamping portion is formed by obliquely extending the lower wall of the clamping groove towards the center of the clamping groove, and the limiting portion is formed by extending the upper wall of the clamping groove away from the direction of the bottom of the clamping groove.

Preferably, the punching press head include installation department and punching press portion set up on the installation department the trip, punching press portion is located one side relative with the trip, and this punching press portion bottom is stretched out the installation department bottom surface.

Preferably, the side surface of the stamping part away from the mounting part is an inclined surface formed by obliquely extending from the bottom end of the stamping part to the mounting part.

Preferably, the lower part of the forming slide block extends outwards to form a stepped non-working surface, the non-working surface comprises an upper vertical surface positioned at the upper part of the forming slide block and a lower vertical surface positioned at the lower part of the forming slide block, and the upper vertical surface and the lower vertical surface are connected through a transition surface which is obliquely arranged.

Preferably, the lower part of the working surface of the forming slide block is provided with a limiting boss.

Be applied to the technical scheme of the utility model novel connector terminal composite forming structure compares prior art and has following advantage: 1. the distance between the forming slide block and the floating bottom of the lower die is adjusted by arranging the slidable forming slide block, so that the size of a product forming angle is adjusted;

2. A limiting boss is arranged on the working surface of the forming sliding block to limit the distance between the forming sliding block and the lower die floating bottom, so that the product is prevented from being seriously scratched due to the too close distance between the forming sliding block and the lower die floating bottom;

3. The stamping head is designed into the mounting part and the stamping part, the thickness of the mounting part is far greater than that of the stamping part, the strength of the stamping head is integrally improved, the service life of the stamping head is prolonged, and the maintenance rate is reduced;

4. The forming male and the stamping head are designed into a detachable connecting structure, so that the forming male does not need to be integrally replaced when the stamping head is damaged, the maintenance and the replacement of the stamping head are convenient, the time for replacing the stamping head by stopping the machine is shortened, the influence of the replacement of the stamping head on the production speed is reduced, and the replacement cost is reduced;

5. The side surface of the stamping head is designed into an inclined plane with the upper end inclined inwards, so that the contact between the stamping head and a terminal to be bent is reduced in the production process, the scratch to the terminal is reduced, and the surface quality of a product is improved;

To sum up, the novel connector terminal composite molding structure provided by the technical scheme of the utility model is convenient for adjusting the bending molding angle of a product, is suitable for molding connectors with different bending angles of terminals, has universality and further reduces the production cost; the surface scratch of the terminal is slight, and the surface quality of the connector is improved; and this shaping structure maintenance rate is low, can guarantee that production goes on in succession, and then improves production efficiency, even if need maintain or when changing the punching press head, because punching press head and the public adoption of shaping can dismantle the connection, convenient to detach and installation punching press head shorten and change the punching press head time. And simultaneously, the utility model discloses connector terminal composite forming structure reasonable in design, simple structure, the manufacturing of being convenient for. And adopt the utility model provides a novel connector terminal composite forming structure carries out the shaping of bending of connector terminal, only needs just can accomplish the shaping of bending of connector terminal through a clamping, and can be greater than bending of 90 degrees by one shot forming, and simple process, and it is slight to the connector terminal scotch, the precision is high.

Drawings

Fig. 1 shows one schematic diagram of a working state of the novel composite molding structure for connector terminals to perform bending molding of the connector terminals provided by the present invention;

FIG. 2 shows a front view of the structural schematic of FIG. 1;

FIG. 3 is a schematic structural view of the floating bottom of the middle and lower molds of the present invention;

Fig. 4 shows a schematic structural diagram of the positioning slider in the present invention;

FIG. 5 is a schematic diagram showing the relative position relationship and connection relationship among the positioning slider slotting tool, the positioning slider, the lower die floating bottom and the connector after the product positioning is completed in the present invention;

Fig. 6 shows a schematic structural diagram of a forming pin of the present invention;

Fig. 7 shows a schematic structural diagram of a stamping head in the present invention;

Fig. 8 shows a schematic structural diagram of the forming slide block of the present invention;

FIG. 9 is a view showing the connection between the forming slide and the pressing block of the present invention;

Fig. 10 shows a schematic structural view of a forming slide slotting tool in the present invention;

Fig. 11 is a schematic view showing the working states of the forming slider slotting tool and the forming slider when the product is bent and formed according to the present invention;

Fig. 12 shows an enlarged schematic view of a in fig. 1.

Wherein the figures include the following reference numerals: 1. a compression spring; 2. the forming male part 210, the clamping groove 211, the limiting part 212 and the clamping part; 3. a positioning slide block slotting tool 310 arranged on the inclined plane at the bottom end of the positioning slide block slotting tool; 4. a forming slide block 410, a positioning part 420, a slide rail 430 and an inclined plane on the forming slide block; 5. the lower die comprises a lower die floating bottom 501, a base 502, a vertical plate 510, a product placing part 520, a base table top 530 and a cutter passing groove; 6. jacking up the spring; 7. 701, a terminal needing to be bent and molded; 8. an adjustment pin; 9. forming a slide block slotting tool, 9, avoiding grooves, 920 and forming an inclined plane at the bottom end of the slide block slotting tool; 10. the device comprises a forming sliding block, 101, a working surface, 102, a non-working surface, 103, a sliding table, 104, a limiting boss, 121, an upper vertical surface, 122, a transition surface, 123 and a lower vertical surface; 11. a circular spring; 12. a pull rod; 13. a pressing block 130 and a sliding block; 14 stamping heads, 141 clamping hooks, 142, mounting parts, 143 and stamping parts; 15. and (7) installing holes.

Detailed Description

Hereinafter, embodiments of the present invention will be described with reference to the drawings. However, the present invention is not limited to the following embodiments:

In the description of the present invention, it should be understood that the terms "upper" and "lower" are used to indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship that the product of the present invention is usually placed when in use, or the orientation or position relationship that the person skilled in the art usually understands, only for the convenience of describing the present invention and simplifying the description, but not to indicate or imply that the indicated component or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.

In addition, it should be noted that unless otherwise expressly stated or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly and may include, for example, a fixed connection, a removable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.

In order to clearly show the relative relationship between the components of the composite molding structure of the connector terminal of the present invention, the upper mold base and the lower mold base are not shown in fig. 1 and fig. 2.

As shown in fig. 1 and 2, the utility model provides a novel connector terminal composite forming structure, including lower mould floating bottom 5, shaping slider 10 and shaping public 2. As shown in fig. 3, a product placing portion 510 for placing a product 7 is disposed at one end of the top of the lower floating bottom 5, a positioning slider 4 slidably connected to the lower floating bottom 5 is disposed at the opposite end of the top of the lower floating bottom 5 and the product placing portion 510, and the positioning slider 4 of this embodiment slides to one side of the product 7 under the action of the positioning slider slotting tool 3, so as to clamp the product 7 and position the product 7. The male forming part 2 is arranged above the lower die floating bottom 5, a stamping head 14 is arranged on one side of the male forming part 2 corresponding to the product placing part 510, and the stamping head 14 is matched with the forming sliding block 10 to bend and form the terminal 701 of the product, which needs to be bent and formed. The forming slider 10 is slidably disposed on one side of the lower mold floating bottom 5, and in a non-working state, as shown in fig. 8 and 12, a space is provided between a working surface 101 of the forming slider 10 and the product 7, a pull rod 12 is disposed on a non-working surface 102 of the forming slider 10, by controlling a distance between the forming slider 10 and the lower mold floating bottom 5, a bending angle of the terminal 701 is controlled, a forming size can be adjusted quickly, and when bending forming is performed, a gap between the forming slider 10 and the product 7 is large, so that surface scratches of the product 7 are very slight, thereby improving surface quality of the product 7 and overall processing quality of the product 7.

The bottom of the lower die floating bottom 5 is arranged on a lower die base (not shown in the figure) through two symmetrically arranged jacking springs 6, and the lower die floating bottom 5 is higher than the forming slide block 10 under the action of the jacking springs 6 in the die opening state. As shown in fig. 9, the forming slide 10 is slidably disposed on the lower die base through pressing blocks 13 disposed on both sides, a sliding slot may be formed on the lower die base, the sliding slot is formed along a direction toward the product 7, the forming slide 10 is disposed in the sliding slot, and the pressing blocks 13 are disposed on both sides of the sliding slot to guide and support the forming slide 10. In other embodiments not shown in the drawings, no mounting groove may be provided, the forming slider 10 may be directly placed on the upper die base, and the two pressing blocks 13 form a sliding channel of the forming slider 10, so as to guide and limit the forming slider 10.

In this embodiment, the side surfaces of the forming slide 10 connected to the pressing block 13 are provided with sliding tables 103 (as shown in fig. 8), the sliding tables 103 are formed by outwardly protruding lower portions of the forming slide 10, the side surface of the pressing block 13 connected to the forming slide 10 is provided with a slide block 130, the slide block 130 is slidably connected to the sliding tables 103, and the slide block 130 and the sliding tables 103 guide the sliding of the forming slide 10.

As shown in fig. 8, the forming shoe 10 of the present invention has a working surface 101 and a non-working surface 102, and the side of the working surface 101 adjacent to the lower mold bottom 5 is defined as the working surface, and the side opposite to the working surface 101 is defined as the non-working surface 102. Be equipped with spacing boss 104 in working face 101 lower part and be used for restricting the minimum distance that working face 101 floated end 5 apart from the lower mould, prevent both apart from the undersize, seriously scotch connector need bend fashioned terminal 701, and then guarantee the utility model discloses a operational reliability, and then guarantee product 7's stability. When the product 7 is placed on the lower die floating bottom 5 and is not punched after positioning in a non-working punching state, the height of the top surface of the forming slide block 10 is lower than the height of the terminal 701 of the product 7, which needs to be bent, so that smooth development of pre-pressing forming work of the product 7 is ensured.

the non-working surface 102 is composed of an upper vertical surface 121 positioned at the upper part of the forming slider 10, a lower vertical surface 123 positioned at the lower part of the forming slider 10, and a transition surface 122 connecting the upper vertical surface 121 and the lower vertical surface 123, the obliquely arranged transition surface 122 is matched with an inclined surface 920 at the bottom end of the forming slider slotting tool 9 shown in fig. 10, so that the forming slider 10 is pushed to move in the direction of the product 7 along with the downward movement of the forming slider slotting tool 9, and further the terminal 701 to be bent is bent, the bending angle of the terminal 701 is controlled by controlling the downward height of the forming slider slotting tool 9, the forming slider slotting tool 9 is easy to adjust, the forming slider slotting tool 9 moves downward along with the downward movement of the upper die holder, the top end of the forming slider slotting tool 9 is provided with an adjusting pin 8, the adjusting pin 8 is embedded on the upper die holder, and both the adjusting pin 8 and the forming slider slotting tool 9 can slide on the upper die holder, the top end of the forming slider slotting tool 9 is provided with a channel through which the adjusting pin 8 passes, the adjusting pin 8 can move back and forth towards the direction of the product 7, the adjusting pin 8 is L-shaped, the adjusting pin 8, the adjusting surface (the lower surface) of the adjusting pin 8, the lower surface of the adjusting slider 8 is adjusted to be parallel to be adjusted to be equal to 0 mm, when the direction of the lower surface of the forming slider 7, the lower surface of the forming slider 9, the forming slider 7, the lower surface of the forming slider 9, the lower.

The transition surface 122 of the non-working surface 102 of the forming slider 10 is provided with a mounting hole 12 for mounting the drawing rod 12, and the mounting hole 12 is a threaded hole and is in threaded connection with the drawing rod 13. An avoidance groove 910 extending upwards is formed in the position, corresponding to the drawing rod 13, of the bottom end of the forming slider slotting tool 9, and the lower end of the avoidance groove 910 is open, so that interference with the drawing rod 13 in the descending process of the forming slider slotting tool 9 is prevented. The drawing rod 13 is sleeved with a round wire spring 12, and the round spring 12 has a resetting effect on the forming slide block 10.

The positioning slide block slotting tool 3 is arranged on an upper die base (not shown in the figure), a compression spring 1 is arranged at the top end of the forming male 2, the lower end of the compression spring 1 is pressed against the top surface of the forming male 2, and the upper end of the compression spring 1 is arranged on the upper die base.

The utility model discloses the shape of well product placing part 510 matches with the shape of product 7, in this embodiment, as fig. 3, product placing part 510 is the echelonment, total three ladder, by lower supreme lower ladder 513, middle ladder 512 and last ladder 511 respectively, middle ladder 512 is used for placing the main part of product 7, also is exactly the plastic part of connector, its width and length and 7 main part adaptations of product. As shown in fig. 12, the metal terminal of the connector, which does not need to be bent, is located in the gap between the lower step 513 and the positioning slider 4, and the positioning slider 7 is pressed against the main body of the product 7. The terminal 701 of the product 7 to be bent is protruded out of the upper step 511.

The utility model discloses an adopt between public 2 of shaping and the punching press head 14 and can dismantle the mode of being connected. The following structure is adopted in this embodiment to realize the detachable connection of male forming 2 and stamping head 14, specifically:

As shown in fig. 6 and 7, a clamping groove 510 is formed in a side surface of the forming male 2 connected to the punch head 14, a hook 141 adapted to the clamping groove 210 is disposed on a side surface of the punch head 14, and the forming male 2 and the punch head 14 are clamped by the matching of the clamping groove 210 and the hook 141. Draw-in groove 210 is the open-ended recess, the notch is located the public 2 one side of being connected with punching press head 14 of shaping, draw-in groove 210 has joint portion 212 and spacing portion 211, joint portion 212 is extended to draw-in groove 210 center slope by draw-in groove 212 lower wall and constitutes, joint portion 212 and trip 141 cooperation, the downside of trip 141 is offered the tilt up setting for the side that combines by trip 141 and draw-in groove 210 tank bottom, cooperation through joint portion 212 and trip downside, prevent to remove about punching press head 14, and when installation punching press head 14, joint portion 212 plays the effect of direction. Spacing portion 211 is draw-in groove 210 upper wall and keeps away from the tank bottom direction and extends the constitution, and spacing portion 14 prevents punching press head 14 rebound, and the straight portion in spacing position matches with punching press head 14's top surface for punching press head 14 installs back on the public 2 of shaping, and punching press head 14 side top flushes with the public corresponding side of shaping. The arrangement of the card slot 210 and the hook 141 facilitates the installation of the punch 14 and the card slot 210, and the connection is reliable.

As shown in fig. 7, the punching head 14 of the present embodiment includes a mounting portion 142 and a punching portion 143, the hook 141 is disposed on the mounting portion 142, the punching portion 143 is located on a side of the mounting portion 142 opposite to the hook 141, and a bottom end of the punching portion 143 protrudes from a bottom surface of the mounting portion 142. The thickness of the mounting portion 142 is greater than that of the punching portion 143, so that the strength of the punching head 14 is enhanced, the service life of the punching head 14 is prolonged, and the maintenance rate of the die is reduced. The side of the stamping portion 143 away from the mounting portion 142 is a slope extending from the bottom end thereof in a direction of the mounting portion 142. By providing the inclined surface, when the bending forming operation is performed, the end surface and the side surface of the bottom of the forming portion 143 are not in contact with the terminal 701 to be bent, and other portions are not in contact with the terminal 701, so that scratches of the terminal 701 to be bent by the press head 14 are reduced, the processing quality of the product 7 is improved, and the stability of the product quality is ensured. The width of the part (the part is the working head of the stamping part) of the stamping part 143 extending out of the lower end face of the mounting part 142 is smaller than the width of the mounting part 142 and the width of the upper part of the stamping part 143, so that the strength of the mounting part 142 is ensured, the contact of the working head of the stamping head 14 on the product 7 is reduced, and the scratch to the product 7 is further reduced.

as shown in fig. 3, the lower floating bottom 5 of the present embodiment is an L-shaped structure composed of a base 501 and a vertical plate 502, the base 501 and the vertical plate 502 are disposed perpendicularly, a product placing portion 510 is disposed at the top end of the vertical plate 502, a positioning slider 4 is disposed on the base 501, a through-knife slot 530 is disposed on an end surface of the base 501 opposite to the vertical plate 502, and the through-knife slot 530 penetrates through upper and lower surfaces of the base 501, so as to ensure smooth downward movement of the positioning slider slotting tool 3.

As shown in fig. 4, the upper portion of one end of the positioning slider 4 close to the product placing portion 510 extends outward to form a positioning portion 410, the thickness of the positioning portion 410 is matched with the main body of the product 7 for pressing the product 7, the length of the positioning portion 410 is smaller than the width of the lower step 513, and the positioning portion 410 is prevented from crushing the terminals of the product 7 which do not need to be bent. The top surface of one end of the positioning block 4 opposite to the positioning portion 410 is provided with an inclined surface 430, the inclined surface 430 is matched with the inclined surface 310 at the bottom end of the positioning slider slotting tool 3, so as to realize that the positioning slider 4 is pushed to move towards the product 7 along with the downward movement of the positioning slider slotting tool 3, and further realize the positioning of the product 7, and the working state of the positioning slider 4 for positioning the product 7 under the pushing of the positioning slider slotting tool 3 is as shown in fig. 5. The bottom of the two opposite sides of the positioning sliding block 4 is provided with a sliding rail 420 formed by a convex boss protruding outwards, the sliding rail 420 is matched with sliding blocks on pressing plates (not shown in the figure) positioned at two sides of the positioning sliding block 4, so that the sliding of the positioning sliding block 4 is guided, and meanwhile, the sliding blocks press the sliding rail 420 to play a role in limiting, so that the positioning sliding block 4 is prevented from shifting in the sliding process. The press plate is arranged on the base 501 of the lower die float bottom 5.

Utilize the utility model discloses a novel connector terminal composite forming structure carries out the fashioned process of connector terminal bending as follows:

(S1) firstly, placing a product 7 to be molded on the product placing part 510, and moving the positioning slide block slotting tool 3 downwards to push the positioning slide block 4 to slide towards the product 7, so that the positioning slide block 4 is pressed against the product 7 to complete the positioning of the product 7;

(S2) the upper die continues to punch downwards, the compression spring 1 props against the forming male die 2, the forming male die 2 presses the product 7, and the lower die floating bottom 5 moves downwards, at the moment, the product 7 is bent upwards under the action of the forming sliding block 10 to complete the pre-forming action.

(S3) bending and forming: after the forming male die 2 presses the product 7 and the lower die floating bottom 5 in place, the upper die continues to move downwards, and the forming sliding block 10 moves towards the product direction under the action of the forming sliding block slotting tool 9, so that the product 7 is bent and formed.

Adopt the utility model discloses a novel connector terminal composite forming structure carries out connector terminal bending shaping and only needs just can accomplish the connector terminal shaping of bending through a clamping, and can be greater than bending of 90 degrees by one shot forming, and simple process, and it is slight to the connector terminal scotch, improves the appearance quality and the stability of product.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (8)

1. The utility model provides a novel connector terminal composite forming structure, its characterized in that floats end, shaping slider and shaping public including the lower mould, the lower mould floats end top one end and is equipped with the product portion of placing that is used for placing the product, its top with the looks remote site setting of product portion of placing with the lower mould floats end sliding connection's location slider, the public upper portion of floating the end of lower mould of setting in of lower mould, the public one side of placing the portion corresponding with the product of shaping is equipped with the punching press head, shaping slider slidable ground sets up the lower mould floats one side at the end.

2. The composite molding structure of novel connector terminal as claimed in claim 1, wherein the molding male member is detachably connected to the stamping head.

3. The novel composite molding structure of the connector terminal as claimed in claim 1 or 2, wherein a side surface of the male molding member connected to the punch head is provided with a slot, a side surface of the punch head is provided with a hook adapted to the slot, and the male molding member and the punch head are clamped by the slot and the hook.

4. The composite molding structure of a novel connector terminal as claimed in claim 3, wherein the engaging groove has an engaging portion and a limiting portion, the engaging portion is formed by extending the lower wall of the engaging groove obliquely toward the center of the engaging groove, and the limiting portion is formed by extending the upper wall of the engaging groove away from the groove bottom.

5. The novel composite connector terminal molding structure as claimed in claim 3, wherein the stamping head includes a mounting portion and a stamping portion, the hook is disposed on the mounting portion, the stamping portion is located on a side opposite to the hook, and a bottom end of the stamping portion extends out of a bottom surface of the mounting portion.

6. The composite molding structure of a novel connector terminal as claimed in claim 5, wherein the side of the stamped part away from the mounting part is a slope extending from the bottom end thereof to the mounting part.

7. The novel composite molding structure of a connector terminal as claimed in claim 1, wherein the lower portion of the molding slider extends outward to form a step-shaped non-working surface, the non-working surface includes an upper vertical surface located at the upper portion of the molding slider and a lower vertical surface located at the lower portion of the molding slider, and the upper vertical surface and the lower vertical surface are connected by an obliquely disposed transition surface.

8. The novel composite molding structure of connector terminals as claimed in claim 1, wherein a lower portion of the working surface of the molding slider is provided with a limiting boss.

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