Connector terminal material strap riveting structure and material strap stamping die

Abstract

The utility model discloses a connector terminal material belt riveting structure and a material belt stamping die, the connector terminal material belt riveting structure comprises a first material belt and a second material belt, the edge of one end of a first material belt part of the first material belt is provided with a first connection part; a first connecting part is arranged on the edge of one end of a first material belt part of the first material belt, a second connecting part is arranged on the edge of one end of a second material belt part of the first material belt, the shapes of the first connecting part and the second connecting part are complementary, and the material belt stamping die comprises an upper die, a lower die, a first punch, a second punch, a first punching seat and a second punching seat. The shape of the first punch and the shape of the first connection part are arranged in a complementary mode, and the shape of the second punch and the shape of the second connection part are arranged in a complementary mode. The connector terminal material belt riveting structure is simple in structure, the two material belts can be rapidly spliced through mutual cooperation of the respective connection portions, one short material belt can be connected to the other material belt for continuous rolling operation, and therefore waste of materials is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of connectors, and more specifically to a connector terminal strip riveting structure and a strip stamping die. Background Art

[0002] In the production process of the terminal strip of the connector, the processed terminal strip needs to be rolled up. After completing one rolling work, the excess terminal strip needs to be cut off. The length of the cut terminal strip is short, and the short section of the terminal strip cannot be rolled up. Since there is no riveting structure on the two terminal strips, most of the short sections of the terminal strips are discarded, resulting in material waste. Therefore, it is necessary to provide a connector terminal strip riveting structure and a strip stamping die that can rivet two terminal strips. Utility Model Content

[0003] The purpose of the utility model is to overcome the above-mentioned defects in the prior art and provide a connector terminal strip riveting structure and a strip stamping die that can allow a short strip to be connected to another strip for continuous winding, thereby avoiding material waste.

[0004] To achieve the above-mentioned purpose, the first aspect of the utility model provides a connector terminal strip riveting structure, including a first strip and a second strip, the first strip including a first product portion and a first strip portion, the first strip portion is connected to the top of the first product portion, the second strip includes a second product portion and a second strip portion, the second strip portion is connected to the top of the second product portion, one end edge of the first strip portion is provided with a first docking portion, one end edge of the second strip portion is provided with a second docking portion, the shapes of the first docking portion and the second docking portion are respectively complementary, the first docking portion includes a first splicing groove, a second splicing groove, a third splicing joint and a fourth splicing joint which are arranged in sequence from left to right, and the second docking portion The part includes a first splicing joint, a second splicing joint, a third splicing groove and a fourth splicing groove which are arranged in sequence from left to right. The shapes of the first splicing joint and the second splicing joint are respectively adapted to the shapes of the corresponding first splicing groove and the second splicing groove, and the shapes of the third splicing joint and the fourth splicing joint are respectively adapted to the shapes of the corresponding third splicing groove and the fourth splicing groove. When the first splicing joint and the second splicing joint are respectively spliced ​​with the corresponding first splicing groove and the second splicing groove, and the third splicing joint and the fourth splicing joint are respectively spliced ​​with the corresponding third splicing groove and the fourth splicing groove, the first connecting part and the second connecting part can be spliced ​​together, thereby realizing the splicing of the first material strip and the second material strip into one material strip.

[0005] Preferably, the first connecting portion is inclined from the bottom to the top of the first material strip portion and from the inside to the outside, and the second connecting portion is inclined from the bottom to the top of the second material strip portion and from the outside to the inside.

[0006] Preferably, the shapes of the first splicing groove, the second splicing groove, the third splicing groove and the fourth splicing groove are respectively set to be round-headed grooves, each of which is extended inwardly from the opening edges of the first material strip portion and the second material strip portion respectively corresponding to the first splicing groove, the first splicing groove is located on the inner side of the first material strip, and the inward extension length of the first splicing groove is greater than the inward extension length of the second splicing groove, the fourth splicing groove is located on the inner side of the second material strip portion, and the inward extension length of the fourth splicing groove is greater than the inward extension length of the third splicing groove.

[0007] Preferably, the shapes of the first splicing joint, the second splicing joint, the third splicing joint and the fourth splicing joint are respectively set to be round heads adapted to the shapes of their corresponding round head grooves, the third splicing joint and the fourth splicing joint respectively extend downward from the edge of the first material strip portion, the fourth splicing groove is located at the outermost side of the first material strip portion, the extending length of the fourth splicing joint is greater than the extending length of the third splicing joint, the first splicing joint and the second splicing joint respectively extend upward from the edge of the second material strip portion, the first splicing joint is located at the outermost side of the second material strip portion, and the extending length of the first splicing joint is greater than the extending length of the second splicing joint.

[0008] Preferably, the first material strip portion is provided with a plurality of first material strip holes evenly spaced apart along its length direction, and the first splicing groove and the second splicing groove are respectively spaced apart on both sides of an outermost first material strip hole.

[0009] Preferably, the second material strip portion is provided with a plurality of second material strip holes evenly spaced apart along its length direction, and the second splicing joint, the third splicing groove and the fourth splicing groove are respectively spaced apart on both outer sides and in the middle of two adjacent outermost second material strip holes.

[0010] The second aspect of the utility model provides a material strip stamping die, including an upper die, a lower die, a first punch, a second punch, a first punching seat and a second punching seat, the shape of the first punch is complementary to the shape of the first connecting portion described in the above technical solution, the shape of the second punch is complementary to the shape of the second connecting portion described in the above technical solution, the lower die is located directly below the upper die, the first punch and the second punch are respectively fixed on the upper die and extend out of the bottom of the upper die, the first punching seat and the second punching seat are respectively fixed on the lower die and correspond to the positions of the first punch and the second punch respectively, and the opening shape of the first punching seat and the opening shape of the second punching seat are respectively adapted to the shapes of the corresponding first punch and the second punch.

[0011] Preferably, the upper die comprises an upper pad, an upper clamping plate and a stripping plate, which are sequentially connected from top to bottom, and the first punch and the second punch respectively pass downward through the upper clamping plate and then extend out of the stripping plate.

[0012] Preferably, the upper die includes a lower die base, a lower pad and a lower mold plate, and the lower die base, lower pad and lower mold plate are connected in sequence from bottom to top, and the first punching seat and the second punching seat respectively pass through the lower pad upward and remain flush with the top surface of the lower mold plate.

[0013] Preferably, a plurality of material strip positioning columns are further included, which respectively pass through the lower pad upwards and then extend from the top surface of the lower template and are evenly spaced along the length direction of the lower template, and a positioning hole corresponding to each material strip positioning column is opened on the bottom surface of the stripping plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The connector terminal strip riveting structure of the utility model is simple in structure, novel and reasonably designed. The two strips can be quickly spliced ​​together through the cooperation of their respective connecting parts, and a short strip can be connected to another strip for continuous winding operation, thereby avoiding material waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is a schematic diagram of the structure of the first material belt and the second material belt provided in the first embodiment of the present utility model;

[0018] Figure 2 It is an enlarged schematic diagram of the first connecting portion provided in the first embodiment of the utility model;

[0019] Figure 3 It is an enlarged schematic diagram of the second connecting portion provided in the first embodiment of the utility model;

[0020] Figure 4 It is a schematic diagram of the splicing of the first material belt and the second material belt provided in the first embodiment of the utility model;

[0021] Figure 5 It is an enlarged schematic diagram of the splicing of the first material belt and the second material belt provided in an embodiment of the utility model;

[0022] Figure 6 It is a structural schematic diagram of the lower mold provided by the second embodiment of the utility model;

[0023] Figure 7 It is a structural schematic diagram of the upper mold provided by the second embodiment of the utility model;

[0024] Figure 8 This is an exploded schematic diagram of the lower mold provided in the second embodiment of the utility model;

[0025] Fig. 9 It is a partially enlarged schematic diagram of the lower mold provided in the second embodiment of the utility model;

[0026] Fig.10 This is an exploded schematic diagram of the upper die provided in the second embodiment of the utility model;

[0027] Fig.11 It is a partially enlarged schematic diagram of the upper mold provided in the second embodiment of the utility model;

[0028] Fig.12 It is a cross-sectional schematic diagram of the second embodiment of the present invention in a stamping state. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Embodiment 1

[0031] Please refer to Figure 1 Embodiment 1 of the present invention provides a connector terminal strip riveting structure, including a first strip 1 and a second strip 2. The components of the embodiment are described in detail below with reference to the accompanying drawings.

[0032] like Figure 1 As shown, the first material strip 1 may include a first product portion 11 and a first material strip portion 12, the first material strip portion 12 being connected to the top of the first product portion 11, and the second material strip 2 may include a second product portion 21 and a second material strip portion 22, the second material strip portion 22 being connected to the top of the second product portion 21.

[0033] Specifically, a first connecting portion 13 may be provided at one side edge of the first material strip portion 12, and a second connecting portion 23 may be provided at one end edge of the second material strip portion 22. The shapes of the first connecting portion 13 and the second connecting portion 23 are respectively complementary.

[0034] like Figure 2 and Figure 3 As shown, the first connecting part 13 may include a first splicing groove 131, a second splicing groove 132, a third splicing joint 133 and a fourth splicing joint 134 arranged in sequence from left to right, and the second connecting part 23 includes a first splicing joint 231, a second splicing joint 232, a third splicing groove 233 and a fourth splicing groove 234 arranged in sequence from left to right, and the shapes of the first splicing joint 231 and the second splicing joint 232 are respectively adapted to the shapes of the corresponding first splicing groove 131 and the second splicing groove 132, and the shapes of the third splicing joint 133 and the fourth splicing joint 134 are respectively adapted to the shapes of the corresponding third splicing groove 233 and the fourth splicing groove 234.

[0035] Preferably, the first connecting portion 13 may be inclined from inside to outside from the bottom to the top of the first material strip portion 12 , and the second connecting portion 23 may be inclined from outside to inside from the bottom to the top of the second material strip portion 22 .

[0036] In this embodiment, the shapes of the first splicing groove 131, the second splicing groove 132, the third splicing groove 233 and the fourth splicing groove 234 can be respectively set to round-headed grooves, each of which is extended inward from the opening edge of the corresponding first material strip portion 12 and the second material strip portion 22. The first splicing groove 131 is located on the inner side of the first material strip portion 12, and the inward extension length of the first splicing groove 131 is greater than the inward extension length of the second splicing groove 132. The fourth splicing groove 234 is located on the inner side of the second material strip portion 22, and the inward extension length of the fourth splicing groove 234 is greater than the inward extension length of the third splicing groove 233.

[0037] Furthermore, the shapes of the first splicing joint 231, the second splicing joint 232, the third splicing joint 133 and the fourth splicing joint 134 can be respectively set to round heads that are compatible with the shapes of their corresponding round head grooves, the third splicing joint 133 and the fourth splicing joint 134 respectively extend downward from the edge of the first material strip portion 12, the fourth splicing joint 134 is located at the outermost side of the first material strip portion 12, the extending length of the fourth splicing joint 134 is greater than the extending length of the third splicing joint 133, the first splicing joint 231 and the second splicing joint 232 extend upward from the edge of the second material strip portion 22, the first splicing joint 231 is located at the outermost side of the second material strip portion 22, and the extending length of the first splicing joint 231 is greater than the extending length of the second splicing joint 232.

[0038] Among them, the first connecting part 13 and the second connecting part 23 are both arranged obliquely. Compared with the traditional parallel docking method, the length of the joint between the first connecting part 13 and the second connecting part 23 is extended, the contact area of ​​the two terminal strips is increased, and the connection strength between the two is higher, thereby ensuring the stability of the connection between the two.

[0039] Preferably, the first material strip portion 12 may be provided with a plurality of first material strip holes 14 evenly spaced apart along its length direction, and the first splicing groove 131 and the second splicing groove 132 are respectively spaced apart on both sides of an outermost first material strip hole 14 .

[0040] Furthermore, the second material strip portion 22 may be provided with a plurality of second material strip holes 24 evenly spaced along its length direction, and the second splicing joint 232, the third splicing groove 233 and the fourth splicing groove 234 are respectively spaced apart on both outer sides and in the middle of the two outermost adjacent second material strip holes 24.

[0041] like Figure 4 and Figure 5 As shown, in a specific implementation, when the first splicing joint 231 and the second splicing joint 232 can be spliced ​​with the corresponding first splicing groove 131 and the second splicing groove 132 respectively, and the third splicing joint 133 and the fourth splicing joint 134 are spliced ​​with the corresponding third splicing groove 233 and the fourth splicing groove 234 respectively, the first connecting part 13 and the second connecting part 23 can be spliced ​​together, thereby realizing the splicing of the first material strip 1 and the second material strip 2 into one material strip.

[0042] Embodiment 2

[0043] like Figure 6 and Figure 7 As shown, embodiment 2 of the utility model provides a material strip stamping die, including an upper die 3, a lower die 4, a first punch 5, a second punch 6, a first punching seat 7 and a second punching seat 8. The shape of the first punch 5 is complementary to the shape of the first connecting part 13, and the shape of the second punch 6 is complementary to the shape of the second connecting part 23.

[0044] Among them, the lower die 4 is located directly below the upper die 3, the first punch 5 and the second punch 6 can be fixedly set on the upper die 3 and extend out of the bottom of the upper die 3, the first punching seat 7 and the second punching seat 8 are fixedly set on the lower die 4 and correspond to the positions of the first punch 5 and the second punch 6 respectively, and the opening shape of the first punching seat 7 and the opening shape of the second punching seat 8 are respectively adapted to the shapes of the corresponding first punch 5 and the second punch 6.

[0045] like Figure 8 and Fig. 9 As shown, the upper mold 3 may include an upper pad 31, an upper clamping plate 32 and a stripping plate 33, which are sequentially connected from top to bottom, and the first punch 5 and the second punch 6 respectively pass downward through the upper clamping plate 32 and then extend from the stripping plate 33.

[0046] like Fig.10 and Fig.11As shown, the lower die 4 may include a lower die base 41, a lower pad 42 and a lower mold plate 43, which are connected in sequence from bottom to top, and the first punching seat 7 and the second punching seat 8 respectively pass through the lower pad 42 upward and remain flush with the top surface of the lower mold plate 43.

[0047] In order to position the two terminal strips during stamping to prevent them from shifting, a number of strip positioning columns 9 may also be included. The strip positioning columns 9 respectively pass upward through the lower pad 42 and then extend from the top surface of the lower template 43 and are evenly spaced along the length direction of the lower template 43. A positioning hole 34 corresponding to each strip positioning column 9 is provided on the bottom surface of the stripping plate 33, which can improve the positioning accuracy of the terminal strip and the stamping efficiency.

[0048] The working principle of the utility model is as follows:

[0049] like Fig.12 As shown, during operation, one side of the first material strip 1 and one side of the second material strip 2 are aligned and placed on the first punching seat 7 and the second punching seat 8, respectively, and part of the first material strip holes 14 and part of the second material strip holes 24 are respectively sleeved on each material strip positioning column 9, so as to achieve positioning and placement, and the upper mold 3 can be driven down to close the mold with the lower mold 4 through an external driving device, and the first punch 5 and the second punch 6 can be inserted into the opening of the first punching seat 7 and the second punch 8 respectively corresponding to each other during the closing of the mold. In this process, the first punch 5 can punch the shape of one end of the first material strip 1 to be consistent with the shape of the first connecting portion 13, and the second punch 6 can punch the shape of one end of the second material strip 2 to be consistent with the shape of the second connecting portion 23. After the stamping is completed, the first material strip 1 and the second material strip 2 are spliced ​​together to form a material strip, which is convenient for the subsequent continuous winding operation of the material strip and avoids material waste.

[0050] To sum up, the riveting structure of the connector terminal strip of the utility model is simple, novel and reasonably designed. The two strips can be quickly spliced ​​together through the cooperation of their respective connecting parts, and a short strip can be connected to another strip for continuous winding operation, thus avoiding material waste.

[0051] The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited by the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principle of the present invention should be equivalent replacement methods and are included in the protection scope of the present invention.

Claims

1. A connector terminal strip riveting structure, characterized in that: The invention comprises a first material strip (1) and a second material strip (2), wherein the first material strip (1) comprises a first product portion (11) and a first material strip portion (12), wherein the first material strip portion (12) is connected to the top of the first product portion (11), and the second material strip (22) comprises a second product portion (21) and a second material strip portion (22), wherein the second material strip portion (22) is connected to the top of the second product portion (21), a first connecting portion (13) is arranged at one end edge of the first material strip portion (12), and a second connecting portion (23) is arranged at one end edge of the second material strip portion (22), wherein the shapes of the first connecting portion (13) and the second connecting portion (23) are respectively complementary, wherein the first connecting portion (13) comprises a first splicing groove (131), a second splicing groove (132), a third splicing joint (133) and a fourth splicing joint (134) which are arranged in sequence from left to right, and wherein the second connecting portion (23) comprises a first splicing joint (231), a second splicing groove (132), a third splicing joint (133) and a fourth splicing joint (134) which are arranged in sequence from left to right. The first splicing joint (231) and the second splicing joint (232) are respectively adapted to the shapes of the first splicing groove (131) and the second splicing groove (132) respectively, and the shapes of the third splicing joint (133) and the fourth splicing joint (134) are respectively adapted to the shapes of the third splicing groove (233) and the fourth splicing groove (234) respectively. When the first splicing joint (231) ) and the second splicing joint (232) are respectively spliced ​​with the corresponding first splicing groove (131) and the second splicing groove (132), and the third splicing joint (133) and the fourth splicing joint (134) are respectively spliced ​​with the corresponding third splicing groove (233) and the fourth splicing groove (234), so that the first connecting part (13) and the second connecting part (23) can be spliced ​​together, thereby realizing the splicing of the first material strip (1) and the second material strip (2) into one material strip.

2. A connector terminal strip riveting structure according to claim 1, characterized in that: The first connecting portion (13) is arranged to be inclined from the bottom to the top of the first material strip portion (12) from the inside to the outside, and the second connecting portion (23) is arranged to be inclined from the bottom to the top of the second material strip portion (22) from the outside to the inside.

3. A connector terminal strip riveting structure according to claim 1, characterized in that: The shapes of the first splicing groove (131), the second splicing groove (132), the third splicing groove (233) and the fourth splicing groove (234) are respectively set to be round-headed grooves, and each round-headed groove is extended inward from the opening edge of the first material strip portion (12) and the second material strip portion (22) respectively corresponding to the first splicing groove (131). The first splicing groove (131) is located on the inner side of the first material strip portion (12), and the inward extension length of the first splicing groove (131) is greater than the inward extension length of the second splicing groove (132). The fourth splicing groove (234) is located on the inner side of the second material strip portion (22), and the inward extension length of the fourth splicing groove (234) is greater than the inward extension length of the third splicing groove (233).

4. A connector terminal strip riveting structure according to claim 1, characterized in that: The shapes of the first splicing joint (231), the second splicing joint (232), the third splicing joint (133) and the fourth splicing joint (134) are respectively set to be round heads that are compatible with the shapes of the corresponding round head grooves. The third splicing joint (133) and the fourth splicing joint (134) respectively extend downward from the edge of the first material strip portion (12). The fourth splicing joint (134) is located at the outermost side of the first material strip portion (12). The extension length of the fourth splicing joint (134) is greater than the extension length of the third splicing joint (133). The first splicing joint (231) and the second splicing joint (232) respectively extend upward from the edge of the second material strip portion (22). The first splicing joint (231) is located at the outermost side of the second material strip portion (22). The extension length of the first splicing joint (231) is greater than the extension length of the second splicing joint (232).

5. The connector terminal strip riveting structure according to claim 1, characterized in that: The first material belt portion (12) is provided with a plurality of first material belt holes (14) evenly spaced apart along its length direction, and the first splicing groove (131) and the second splicing groove (132) are respectively spaced apart on both sides of the outermost first material belt hole (14).

6. A connector terminal strip riveting structure according to claim 1, characterized in that: The second material strip portion (22) is provided with a plurality of second material strip holes (24) evenly spaced apart along its length direction, and the second splicing joint (232), the third splicing groove (233) and the fourth splicing groove (234) are respectively spaced apart on both outer sides and in the middle of two adjacent outermost second material strip holes (24).

7. A strip stamping die, characterized in that: The invention comprises an upper die (3), a lower die (4), a first punch (5), a second punch (6), a first punching seat (7) and a second punching seat (8), wherein the shape of the first punch (5) is complementary to the shape of the first connecting portion (13) of the riveting structure of the connector terminal strip as described in any one of claims 1 to 6, and the shape of the second punch (6) is complementary to the shape of the second connecting portion (23) of the riveting structure of the connector terminal strip as described in any one of claims 1 to 6, the lower die (4) is located directly below the upper die (3), the first punch (5) and the second punch (6) are respectively fixedly arranged on the upper die (3) and extend out of the bottom of the upper die (3), the first punching seat (7) and the second punching seat (8) are respectively fixedly arranged on the lower die (4) and correspond to the positions of the first punch (5) and the second punch (6), respectively, and the opening shape of the first punching seat (7) and the opening shape of the second punching seat (8) are respectively adapted to the shapes of the first punch (5) and the second punch (6) corresponding to the respective ones.

8. The strip stamping die according to claim 7, characterized in that: The upper die (3) comprises an upper pad (31), an upper clamping plate (32) and a stripping plate (33), wherein the upper pad (31), the upper clamping plate (32) and the stripping plate (33) are sequentially connected from top to bottom, and the first punch (5) and the second punch (6) respectively pass downward through the upper clamping plate (32) and then extend out of the stripping plate (33).

9. The strip stamping die according to claim 8, characterized in that: The lower die (4) comprises a lower die base (41), a lower pad (42) and a lower mold plate (43); the lower die base (41), the lower pad (42) and the lower mold plate (43) are connected in sequence from bottom to top; the first punching seat (7) and the second punching seat (8) respectively pass through the lower pad (42) upwards and remain flush with the top surface of the lower mold plate (43).

10. A strip stamping die according to claim 9, characterized in that: It also includes a plurality of material strip positioning columns (9), which respectively pass through the lower pad (42) upwards and then extend from the top surface of the lower template (43) and are evenly spaced along the length direction of the lower template (43). A positioning hole (34) corresponding to each material strip positioning column (9) is opened on the bottom surface of the stripping plate (33).

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