A double-row or multi-row "Z"-shaped terminal cutting mechanism for a connector

Abstract

The present invention provides a double-row or multi-row "Z"-shaped terminal cutting mechanism for a connector, comprising an upper die and a lower die, wherein the upper die comprises an upper die top plate, an upper die plate, an upper cutter driving device and an upper cutter, wherein the upper die top plate is mounted on the upper die plate, the cutter driving device is mounted in the upper die plate and the upper die plate, the upper cutter is arranged on one side of the upper die plate, the lower die comprises a lower die plate, a lower cutter and a lower die bottom plate, the lower die plate is mounted on the lower die bottom plate, the lower cutter is mounted on the lower die plate, the upper cutter and the lower cutter are arranged opposite to each other up and down, and the cutter driving device can drive the upper cutter and the lower cutter to cooperate to cut off the double-row or multi-row "Z"-shaped terminals of the connector. The advantages of the present invention are: simple and convenient use, high cutting efficiency, and good size consistency of the double-row or multi-row terminals after cutting.

Description

Technical Field

[0001] The invention relates to the field of terminal cutting equipment, and in particular to a double-row or multi-row "Z"-shaped terminal cutting mechanism for a connector. Background Art

[0002] Terminal cutting equipment is the foundation of connector processing technology. Most connector assembly processes require cutting equipment, so the production efficiency of cutting equipment will directly affect the reliability and efficiency of connector assembly. In the production process of connectors, many steps are required for hardware cutting, such as the cutting of terminal strips, the cutting of hardware bridges, and the cutting of hardware protective feet. Due to the large number of cutting items and the different cutting mechanisms for different product structures, the cutting of double-row or multi-row connector terminal structures with "Z" shapes is often done in multiple times. After cutting one part, another part can be cut. The cutting cannot be completed at the same time. Not only is the cutting efficiency low, but the consistency of the terminal cutting size cannot be guaranteed. Summary of the invention

[0003] The present invention provides a double-row or multi-row "Z"-shaped terminal cutting mechanism which can complete the cutting of double-row connector terminals with "Z" shape at one time, not only with high cutting efficiency, but also capable of ensuring the consistency of terminal cutting size.

[0004] In order to achieve the above object, the present invention provides the following technical solutions:

[0005] A double-row or multi-row "Z"-shaped terminal cutting mechanism for a connector comprises an upper die and a lower die, wherein the upper die comprises an upper die top plate, an upper die plate, an upper cutter driving device and an upper cutter, wherein the upper die top plate is mounted on the upper die plate, the cutter driving device is mounted in the upper die plate and the upper die plate, the upper cutter is arranged on one side of the upper die plate, the lower die comprises a lower die plate, a lower cutter and a lower die bottom plate, the lower die plate is mounted on the lower die bottom plate, the lower cutter is mounted on the lower die plate, the upper cutter and the lower cutter are arranged opposite to each other up and down, and the cutter driving device can drive the upper cutter and the lower cutter to cooperate in cutting off the double-row or multi-row "Z"-shaped terminals of the connector.

[0006] Furthermore, a raised upper cutter portion is provided at the lower end of the upper cutter, a plurality of upper cutter teeth are provided on the upper cutter portion, an upper cutting edge is formed between every two of the upper cutter teeth, a lower cutter portion is provided corresponding to the upper cutter portion on one side of the lower cutter, a plurality of lower cutter teeth are provided on the lower cutter portion, a lower cutting edge is formed between every two of the lower cutter teeth, the upper cutter teeth cooperate with the lower cutter edge for cutting the first row of terminals of the double-row terminals, and the lower cutter teeth cooperate with the upper cutter edge for cutting the second row of terminals of the double-row terminals.

[0007] Furthermore, a space-avoiding portion is provided at the bottom of the upper cutting knife.

[0008] Furthermore, the upper cutter driving device includes a driving block and a driving plate, the driving plate is installed in the slide groove of the upper template, the driving block is installed in the first through groove of the upper template top plate, the second through groove of the driving plate and the third through groove of the upper template from top to bottom, and the driving block can be lifted and slid in the first through groove, the second through groove and the third through groove, an elongated arc hole is provided on the driving block, a driving rod is provided in the elongated arc hole, both ends of the driving rod are respectively fixedly mounted on the driving plate, when the driving block moves up and down, the driving plate can be driven to slide relatively in the slide groove by the cooperation between the elongated arc hole and the driving rod, the upper cutter is installed on one side of the driving plate, and when the driving plate slides relatively in the slide groove, it can drive the upper cutter to make relative cutting movement.

[0009] Furthermore, the upper end of the long arc hole is a first arc, the lower end of the long arc hole is a second arc, the diameter of the driving rod is a clearance fit with the long arc hole, and when the driving rod is located in the first arc, the double-row terminal is in a state before cutting, and when the driving rod is located in the second arc, the double-row terminal is in a state after cutting.

[0010] Furthermore, it also includes a first return spring, a first spring mounting groove is arranged on the slide groove of the upper template, a second spring mounting groove is arranged on the bottom surface of the driving plate, the first return spring is located in the first spring mounting groove and the second spring mounting groove, and the first return spring can drive the driving plate to drive the upper cutter to perform a return movement.

[0011] Furthermore, a side surface of the driving plate is provided with an assembly groove, and the side surface of the upper cutter is installed in the assembly groove by means of screws.

[0012] Furthermore, a space-avoiding limiting groove is provided on one side of the upper template, and the space-avoiding limiting groove is used for installing an upper cutting knife.

[0013] Furthermore, a first limiting groove is provided on the top of the upper mold top plate, and a first limiting block is provided on the top of the upper cutter. The first limiting block and the first limiting groove cooperate with each other to limit the descending height of the upper cutter.

[0014] Furthermore, the lower cutter is installed in the cutter installation groove of the lower template, a product positioning groove is arranged on one side of the cutter installation groove, a first material cutting groove is arranged on the rear side of the lower cutter part of the lower cutter, a material cutting through groove is arranged on the lower template corresponding to the first material cutting groove, a second material cutting groove is arranged on the lower mold bottom plate corresponding to the material cutting through groove, and the first material cutting groove, the material cutting through groove and the second material cutting groove are sequentially connected to each other.

[0015] The beneficial effects of the present invention are:

[0016] When the present invention is working, the product to be cut is placed on the lower template, and then the cutter driving device drives the upper cutter to cooperate with the lower cutter to simultaneously cut off the double-row or multiple-row "Z"-shaped terminals of the connector. The present invention is simple and convenient to use, has high cutting efficiency, and the size consistency of the double-row or multiple-row terminals after cutting is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention 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 only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the structure of the double-row "Z"-shaped terminals of the connector before and after cutting;

[0019] Figure 2 It is a schematic structural diagram of the upper die and the lower die of the double-row or multi-row "Z"-shaped terminal cutting mechanism of the connector of the present invention after being separated;

[0020] Figure 3 It is a cross-sectional view of the upper die and the lower die of the double-row or multi-row "Z"-shaped terminal cutting mechanism of the connector of the present invention after being separated;

[0021] Figure 4 It is a three-dimensional structural schematic diagram of the upper cutter and the lower cutter of the present invention;

[0022] Figure 5 yes Figure 4 A local enlarged view of point A;

[0023] Figure 6 is a cross-sectional view of an upper cutter and a lower cutter of the present invention;

[0024] Figure 7 yes Figure 6 A local enlarged view of point C;

[0025] Figure 8 It is a schematic diagram of the partial three-dimensional structure of the upper cutter installed on the upper cutter driving device and the lower cutter of the present invention;

[0026] Fig. 9 It is a schematic diagram of the exploded structure of the upper mold of the present invention;

[0027] Fig.10 It is a schematic diagram of the exploded structure of the lower mold of the present invention;

[0028] Fig.11 It is a structural schematic diagram of the driving rod of the present invention;

[0029] Fig.12 is a top view of the present invention;

[0030] Fig.13 yes Fig.12 Sectional view at AA;

[0031] Fig.14 yes Fig.12 The cross-sectional view at AA is used to show the schematic diagram after the upper cutter moves to the left to cut off the double-row terminals of the connector.

[0032] Description of the accompanying drawings:

[0033] 1. Upper mold;

[0034] 11. upper die top plate; 111. first through groove; 112. first limiting groove;

[0035] 12. upper template; 121. slide slot; 122. third through slot; 123. space-avoiding limit slot;

[0036] 13. driving block; 131. long arc-shaped hole; 1311. first arc; 1312. second arc;

[0037] 14. driving plate; 141. second through slot; 142. assembly slot;

[0038] 15. Driving rod;

[0039] 16. upper cutting knife; 161. air-avoiding portion; 162. upper cutting knife portion; 163. upper cutting knife teeth; 164. upper cutting knife edge;

[0040] 17. Screws;

[0041] 18, first return spring; 181, first spring mounting groove; 182, second spring mounting groove;

[0042] 2. Lower mold;

[0043] 21. Lower template; 211. Cutter installation slot; 212. Product positioning slot; 213. Material cutting slot;

[0044] 22. lower cutting knife; 221. lower cutting knife portion; 222. lower cutting knife teeth; 223. lower cutting knife edge; 224. first material discharging chute;

[0045] 23. lower die bottom plate; 231. second material discharging chute; DETAILED DESCRIPTION

[0046] In order to enable those skilled in the art to better understand the technical solution of the present invention, the double-row or multi-row "Z"-shaped terminal cutting mechanism of the connector of the present invention will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0047] like Figure 1 As shown, the cutting of double-row "Z"-shaped terminals is taken as an example for explanation, and the terminals in the first row and the second row on the connector need to be cut off at the same time.

[0048] like Figure 2 and Figure 3 As shown, a double-row or multi-row "Z"-shaped terminal cutting mechanism for a connector comprises an upper die 1 and a lower die 2. After the upper die 1 and the lower die are clamped, they are guided and connected through guide pins and guide sleeves. The upper die 1 comprises an upper die top plate 11, an upper die plate 12, an upper cutter driving device and an upper cutter 16. The upper die top plate 11 is mounted on the upper die plate 12. The cutter driving device is mounted in the upper die plate 12 and the upper die plate 12. The upper cutter 16 is arranged on one side of the upper die plate 12. The lower die 2 comprises a lower die plate 21, a lower cutter 22 and a lower die bottom plate 23. The lower die plate 21 is mounted on the lower die bottom plate 23. The lower cutter 22 is mounted on the lower die plate 21. The upper cutter 16 and the lower cutter 22 are arranged opposite to each other up and down. The cutter driving device can drive the upper cutter 16 to cooperate with the lower cutter 22 to cut off the double-row or multi-row "Z"-shaped terminals of the connector.

[0049] like Figure 4 As shown, in the preferred embodiment, a clearance portion 161 is provided at the bottom of the upper cutter 16, and the clearance portion 161 can avoid the top portion to be cut, thereby preventing the bottom of the upper cutter 16 from touching the top of the connector.

[0050] like Figures 4 to 7As shown, the lower end of the upper cutter 16 is provided with a raised upper cutter portion 162, and a plurality of upper cutter teeth 163 are provided on the upper cutter portion 162, and an upper cutter edge 164 is formed between every two upper cutter teeth 163. A lower cutter portion 221 is provided on one side of the lower cutter 22 corresponding to the upper cutter portion, and a plurality of lower cutter teeth 222 are provided on the lower cutter portion 221, and a lower cutter edge 223 is formed between every two lower cutter teeth 222. The upper cutter teeth 163 cooperate with the lower cutter edge 223 to cut the first row of terminals of the double-row terminals, and the lower cutter teeth 222 cooperate with the upper cutter edge 164 to cut the second row of terminals of the double-row terminals. When cutting, the upper cutter teeth 163 and the upper cutter edge 164 are firstly The upper cutter driving device moves downward until the bottom surface of the upper cutter tooth 163 and the upper surface of the lower cutter tooth 222 are located at a suitable gap, and then the lower cutter 22 moves leftward under the drive of the upper cutter driving device. The first row of terminals of the connector are located in the lower cutting edge 223 before cutting, and the second row of terminals are located on the right side of the lower cutting tooth 222. Therefore, when the upper cutter 16 moves leftward, it will drive the upper cutter teeth 163 and the lower cutting edge 223 to cooperate to cut the first row of terminals, and at the same time, the upper cutting edge 164 and the lower cutting tooth 222 cooperate to cut the second row of terminals, so that two rows of terminals can be cut at one time, which greatly improves the cutting efficiency of the terminals and has good size consistency after cutting.

[0051] The tooth width L of the upper cutting teeth 163 and the lower cutting teeth 222 is 0.4 mm to 0.6 mm.

[0052] The tooth width L of the upper cutting blade teeth 163 and the lower cutting blade teeth 222 is set to 0.4 mm to 0.6 mm, so as to ensure the strength of the upper cutting blade teeth 163 and the lower cutting blade teeth 222 during cutting and prevent the teeth from breaking.

[0053] In the most preferred embodiment, the tooth width L of the upper cutting teeth 163 and the lower cutting teeth 222 is 0.55 mm.

[0054] The tooth width S of the upper cutting edge 164 and the lower cutting edge 223 is 0.4 mm to 0.5 mm.

[0055] In the optimal embodiment, the tooth width S of the upper cutting edge 164 and the lower cutting edge 223 is 0.45 mm.

[0056] Preferred embodiments, such as Figure 8 and Fig. 9As shown, the upper cutter driving device includes a driving block 13 and a driving plate 14. The driving block 13 is driven to move up and down by a cylinder, a motor or other driving structure. The driving plate 14 is installed in the slide groove 121 of the upper template 12. The driving block 13 is installed in the first through groove 111 of the upper mold top plate 11, the second through groove 141 of the driving plate 14 and the third through groove 122 of the upper template 12 from top to bottom, wherein the first through groove 111 and the third through groove 122 can limit the driving block 13, and the driving block 13 can move up and down and slide in the first through groove 111, the second through groove 141 and the third through groove 122. The cross section of the driving block 13 is The shape of the first through slot 111, the second through slot 141 and the third through slot 122 is adapted to the shape of the driving block 13. The driving block 13 is provided with an oblong hole 131, and a driving rod 15 is provided in the oblong hole 131. The two ends of the driving rod 15 are respectively fixedly mounted on the driving plate 14. When the driving block 13 moves up and down, the driving plate 14 can be driven to slide relatively in the slide groove 121 through the cooperation between the oblong hole 131 and the driving rod 15. The upper cutter 16 is mounted on one side of the driving plate 14. When the driving plate 14 slides relatively in the slide groove 121, the upper cutter 16 can be driven to perform relative cutting movement. In this embodiment, the vertical direction movement is converted into the horizontal direction through the oblong hole 131, so that the cutting accuracy of the embodiment can be improved. The horizontal movement distance of the upper cutter 16 can be accurately converted through the vertical direction movement, so as to ensure the cutting accuracy of the terminal.

[0057] Furthermore, if Fig. 9 As shown, a side surface of the driving plate 14 is provided with an assembly groove 142, and the side surface of the upper cutter is installed in the assembly groove 142 by means of a screw 17; a side surface of the upper template 12 is provided with an air avoidance limit groove 123, and the air avoidance limit groove 123 is used to install the upper cutter 16; a first limit groove 112 is provided on the top of the upper template top plate 11, and a first limit block is provided on the top of the upper cutter 16, and the first limit block and the first limit groove 112 cooperate with each other to limit the descending height of the upper cutter 16.

[0058] Furthermore, if Fig.10 As shown, the lower cutter 22 is installed in the cutter mounting groove of the lower template 21, and a product positioning groove 211 and a cutter mounting groove 212 are provided on one side of the cutter mounting groove; a first material discharge chute 224 is provided on the rear side of the lower cutter portion 221 of the lower cutter 22, a material discharge through groove 213 is provided on the lower template 21 corresponding to the first material discharge chute 224, and a second material discharge chute 231 is provided on the lower mold bottom plate 23 corresponding to the material discharge through groove 213, and the first material discharge chute 224, the material discharge through groove 213 and the second material discharge chute 231 are sequentially connected to each other.

[0059] Furthermore, if Fig.11In the driving block 13 shown, the upper end of the long arc hole 131 is the first arc 1311, and the lower end of the long arc hole 131 is the second arc 1312. The diameter of the driving rod 15 is clearance-matched with the long arc hole 131. When the driving rod 15 is located in the first arc 1311, it is the state before the double-row terminals of the connector are cut. When the driving rod 15 is located in the second arc 1312, it is the state after the double-row terminals of the connector are cut, that is, the state after the upper cutter 16 is displaced to the left.

[0060] Furthermore, if Figure 12 to Figure 14 As shown, it also includes a first return spring 18. A first spring mounting groove 181 is provided on the slide groove 121 of the upper template 12, and a second spring mounting groove 182 is provided on the bottom surface of the driving plate 14. The first return spring 18 is located in the first spring mounting groove 181 and the second spring mounting groove 182. The first return spring 18 can drive the driving plate 14 to drive the upper cutter 16 to perform a return movement.

[0061] The working principle of the present invention is:

[0062] When the present invention is working, the connector is first placed in the connector limiting groove at the bottom of the lower mold, and then the upper mold descends under the drive of the punching machine, so that the upper mold and the lower mold are in a mold-closing state, and then the punching machine continues to drive the driving block 13 of the cutter driving device to descend. While the driving block 13 descends, it will drive the driving plate 14 to move left in the slide groove 121 through the driving rod 15, thereby driving the upper cutter 16 installed on the right side of the driving plate 14 to move left. While the upper cutter 16 moves to the left, it cooperates with the lower cutter 22 to cut off the double-row or multiple-row "Z"-shaped terminals of the connector at the same time. The present invention is not only simple and convenient to use, but also has high cutting efficiency, and the size consistency of the double-row or multiple-row terminals after cutting is good.

[0063] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A double-row or multi-row "Z"-shaped terminal cutting mechanism for a connector, characterized in that: The upper mold comprises an upper mold and a lower mold, wherein the upper mold comprises an upper mold top plate, an upper mold plate, an upper cutter driving device and an upper cutter, wherein the upper mold top plate is mounted on the upper mold plate, the cutter driving device is mounted in the upper mold plate and the upper mold plate, the upper cutter is arranged on one side of the upper mold plate, the lower mold comprises a lower mold plate, a lower cutter and a lower mold bottom plate, the lower mold plate is mounted on the lower mold bottom plate, the lower cutter is mounted on the lower mold plate, the upper cutter and the lower cutter are arranged opposite to each other up and down, and the cutter driving device can drive the upper cutter and the lower cutter to cooperate with each other to cut off the double-row or multi-row "Z"-shaped terminals of the connector; A raised upper cutter portion is provided at the lower end of the upper cutter, a plurality of upper cutter teeth are provided on the upper cutter portion, an upper cutter edge is formed between every two of the upper cutter teeth, a lower cutter portion is provided corresponding to the upper cutter portion on one side of the lower cutter, a plurality of lower cutter teeth are provided on the lower cutter portion, a lower cutter edge is formed between every two of the lower cutter teeth, the upper cutter teeth cooperate with the lower cutter edge to cut the first row of terminals of the double-row terminals, the lower cutter teeth cooperate with the upper cutter edge to cut the second row of terminals of the double-row terminals, and a gap avoidance portion is provided at the bottom of the upper cutter.

2. A double-row or multi-row "Z"-shaped terminal cutting mechanism for a connector according to claim 1, characterized in that: The upper cutter driving device includes a driving block and a driving plate, the driving plate is installed in the slide groove of the upper template, the driving block is installed in the first through groove of the upper template top plate, the second through groove of the driving plate and the third through groove of the upper template from top to bottom, and the driving block can be lifted and slid in the first through groove, the second through groove and the third through groove, an elongated arc hole is provided on the driving block, a driving rod is provided in the elongated arc hole, both ends of the driving rod are fixedly mounted on the driving plate respectively, when the driving block moves up and down, the driving plate can be driven to slide relatively in the slide groove by the cooperation between the elongated arc hole and the driving rod, the upper cutter is installed on one side of the driving plate, when the driving plate slides relatively in the slide groove, the upper cutter can be driven to perform relative cutting movement.

3. A double-row or multi-row "Z"-shaped terminal cutting mechanism for a connector according to claim 2, characterized in that: The upper end of the long arc hole is a first arc, the lower end of the long arc hole is a second arc, the diameter of the driving rod is clearance-matched with the long arc hole, when the driving rod is located in the first arc, it is the state before the double-row terminal is cut, and when the driving rod is located in the second arc, it is the state after the double-row terminal is cut.

4. The double-row or multi-row "Z"-shaped terminal cutting mechanism of a connector according to claim 2, characterized in that: It also includes a first return spring, a first spring mounting groove is arranged on the slide groove of the upper template, a second spring mounting groove is arranged on the bottom surface of the driving plate, the first return spring is located in the first spring mounting groove and the second spring mounting groove, and the first return spring can drive the driving plate to drive the upper cutter to perform a return movement.

5. The double-row or multi-row "Z"-shaped terminal cutting mechanism of a connector according to claim 2, characterized in that: A mounting groove is provided on one side of the driving plate, and the side of the upper cutter is mounted in the mounting groove by means of screws.

6. The double-row or multi-row "Z"-shaped terminal cutting mechanism of a connector according to claim 1, characterized in that: A space-avoiding limiting groove is arranged on one side of the upper template, and the space-avoiding limiting groove is used for installing the upper cutting knife.

7. The double-row or multi-row "Z"-shaped terminal cutting mechanism of a connector according to claim 1, characterized in that: A first limiting groove is arranged on the top of the upper die top plate, and a first limiting block is arranged on the top of the upper cutter. The first limiting block and the first limiting groove cooperate with each other to limit the descending height of the upper cutter.

8. The double-row or multi-row "Z"-shaped terminal cutting mechanism of a connector according to claim 1, characterized in that: The lower cutter is installed in the cutter installation groove of the lower template, a product positioning groove is arranged on one side of the cutter installation groove, a first material cutting chute is arranged on the rear side of the lower cutter part of the lower cutter, a material cutting through groove is arranged on the lower template corresponding to the first material cutting chute, a second material cutting chute is arranged on the lower mold bottom plate corresponding to the material cutting through groove, and the first material cutting chute, the material cutting through groove and the second material cutting chute are sequentially connected to each other.

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