CN216648832U

CN216648832U - Puncture type terminal crimping mold

Info

Publication number: CN216648832U
Application number: CN202220103728.7U
Authority: CN
Inventors: 司向良
Original assignee: Jiangsu Bozhiwang Automation Equipment Co ltd
Current assignee: Jiangsu Bozhiwang Automation Equipment Co ltd
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-05-31
Anticipated expiration: 2032-01-14

Abstract

The utility model relates to the technical field of terminal crimping dies, in particular to a puncture type terminal crimping die, which comprises a base, a feeding unit, an upper die unit and a lower die unit, wherein the feeding unit and the lower die unit are sequentially arranged on the base along the transfer direction of a connecting terminal, and the upper die unit and the lower die unit are correspondingly arranged and slide up and down relative to the base; the lower die unit comprises a lower crimping die and a force unloading groove, the force unloading groove is arranged in a downward inclined mode from inside to outside in the transfer direction of the feeding unit, the starting end of the force unloading groove is located on one side, far away from the base, of the lower crimping die, and the side wall of the force unloading groove is an arc-shaped face. According to the utility model, the force unloading groove is arranged on the lower crimping cutter die, so that a gap exists between the tail end of the crimping terminal and the cable after the cable is crimped with the wiring terminal.

Description

Puncture type terminal crimping mold

Technical Field

The utility model relates to the technical field of terminal crimping dies, in particular to a puncture type terminal crimping die.

Background

The puncture type terminal is also called a stripping-free paint connector and a puncture type wiring terminal, is used for connecting copper-aluminum enameled wires, does not need to strip off the outer paint of the enameled wires, is directly in conductive connection, can be in five-tooth, seven-tooth and nine-tooth shapes, and is suitable for parallel connection of double-strand or multi-strand enameled wires and power supply outgoing lines. When the puncture type terminal wire is produced, the sheath of the lead can be punctured only by applying relatively small pressure, so that the lead is communicated with the insertion thorn, the production efficiency is high, and the application is very wide.

Among the correlation technique, crimping terminal can receive exogenic action when using for the juncture of terminal and cable takes place to bend, because the terminal is thinner metal material, can make the crust of cable take place wearing and tearing so that the rupture, influences crimping terminal's life.

The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the utility model provides a puncture type terminal crimping mould, realize enameled wire cable and binding post's crimping, enlarge the home range of crimping terminal afterbody cable, prolong the life of crimping terminal.

In order to achieve the purpose, the utility model adopts the technical scheme that: a puncture type terminal crimping die is used for crimping an enameled wire cable and a wiring terminal and comprises a base, a feeding unit, an upper die unit and a lower die unit, wherein the upper die unit and the lower die unit are arranged on the base, and the lower die unit is arranged on the base

The feeding unit and the lower die unit are sequentially arranged on the base along the transferring direction of the wiring terminal, and the upper die unit and the lower die unit are correspondingly arranged and slide up and down relative to the base;

lower die unit includes crimping cutting die down and unloads the power groove, treats the crimping terminal and places on the crimping cutting die down, it is in to unload the power groove the downward sloping setting from inside to outside in the transfer direction of pay-off unit, the initiating terminal is located the crimping cutting die is kept away from down one side of base, end setting is in the crimping cutting die is kept away from down one side of pay-off unit, the lateral wall that unloads the power groove is the arcwall face.

Furthermore, the upper die unit comprises a crimping slide block, a trimming knife and an upper crimping knife die, the crimping slide block slides up and down relative to the base, and the trimming knife and the upper crimping knife die are arranged on one side of the crimping slide block and move synchronously with the crimping slide block; go up the crimping cutting die with the crimping cutting die corresponds the setting down, repair neat sword with the crimping cutting die keeps away from down unload the cooperation of force groove's one end antetheca upper portion for cut the cable.

Further, the upper crimping cutting die comprises an open slot for accommodating a terminal to be crimped, the inner wall of the slot bottom of the open slot is provided with two adjacent cambered surfaces which are a first cambered surface and a second cambered surface respectively, and the joint of the first cambered surface and the second cambered surface is protruded; the lateral wall of open slot is the arcwall face, the longitudinal section of open slot is loudspeaker form.

Furthermore, the upper die unit further comprises a crimping guide thimble, the crimping guide thimble is arranged on the other side of the trimming knife, is matched with an adjacent terminal of the terminal to be crimped and protrudes out of the upper crimping cutting die for guiding the upper crimping cutting die.

Furthermore, a height adjusting wheel is further arranged above the crimping sliding block and used for controlling the crimping speed.

Furthermore, the feeding unit comprises a bottom plate, a material placing groove, a driving assembly and an arc-shaped feeding claw, the material placing groove is arranged on the bottom plate, the wiring terminal is arranged in the material placing groove, the driving assembly is arranged on one side, far away from the material placing groove, of the bottom plate and comprises a feeding cylinder and a push rod, and the push rod is connected with the arc-shaped feeding claw through a rotating shaft.

Furthermore, the feeding unit further comprises a pressing plate, wherein the pressing plate is arranged at the upper end of the material placing groove and is fixed on the bottom plate through an adjusting nut.

Further, still include the unit of blowing, the unit of blowing includes external air feed subassembly and blows the waste material pipe, it fixes to blow the waste material pipe on the clamp plate, and the orientation crimping cutting die direction sets up down, carries out pneumatic rejection to the waste material of trimming the sword and cutting.

Further, still include the safety shield plate, the safety shield plate includes first cover plate, second cover plate and third cover plate, first cover plate is L type structure, including first connecting portion and second connecting portion, first connecting portion set up perpendicularly on the clamp plate, the second connecting portion are followed binding post's direction of transfer sets up, the second cover plate sets up the below certain distance department of second connecting portion, and with the base is perpendicular, the third cover plate sets up unload the output in power groove.

Further, be provided with the guide way that is used for sending the enameled wire cable on the third cover plate, the guide way is including running through import portion and the extension that sets up, the up end of import portion with the bottom of second connecting portion flushes, the lower terminal surface of import portion with the up end of second cover plate flushes, import portion downward sloping sets up, the extension sets up unload the output in power groove, the longitudinal section of extension is U type structure.

The utility model has the beneficial effects that: according to the utility model, the force unloading groove is arranged on the lower crimping cutting die, so that after the enameled wire cable is crimped with the wiring terminal, a gap exists between the tail end of the crimping terminal and the enameled wire cable, namely the tail part of the crimping terminal is movable and not easy to damage.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of a piercing terminal crimping mold according to an embodiment of the utility model;

FIG. 2 is a schematic view of another embodiment of the piercing die for crimping a terminal of the present invention;

FIG. 3 is an enlarged view of a portion of the utility model at A in FIG. 2;

FIG. 4 is a schematic structural diagram of an upper mold unit in an embodiment of the present invention;

FIG. 5 is an enlarged view of a portion of the utility model at B in FIG. 4;

FIG. 6 is a side view of the upper mold unit in an embodiment of the present invention;

FIG. 7 is a schematic structural view of a feeding unit and a lower mold unit in the embodiment of the present invention;

fig. 8 is an enlarged view of a portion of the utility model at C in fig. 7.

Reference numerals: 01. a wiring terminal; 02. a terminal to be crimped; 10. a base; 20. a feeding unit; 21. a base plate; 22. a material placing groove; 23. a drive assembly; 231. a feeding cylinder; 232. a push rod; 24. an arc-shaped feeding claw; 25. pressing a plate; 30. an upper mold unit; 31. pressing a sliding block; 32. trimming the cutter; 33. pressing a cutting die; 34. an open slot; 341. a first arc surface; 342. a second arc surface; 35. crimping a guide thimble; 36. a height adjustment wheel; 40. a lower mold unit; 41. pressing a cutting die downwards; 42. a force unloading groove; 50. a blowing unit; 51. blowing a waste pipe; 60. a safety shield plate; 61. a first cover plate; 611. a first connection portion; 612. a second connecting portion; 62. a second cover plate; 63. a third cover plate; 64. a guide groove; 641. an inlet section; 642. an extension portion.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

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

A piercing type terminal crimping mold for crimping an enameled wire cable and a connection terminal 01 as shown in fig. 1 to 8, comprising a base 10, a feeding unit 20, an upper mold unit 30 and a lower mold unit 40, wherein

The feeding unit 20 and the lower die unit 40 are sequentially arranged on the base 10 along the transferring direction of the wiring terminal 01, and the upper die unit 30 and the lower die unit 40 are correspondingly arranged and slide up and down relative to the base 10; specifically, the feeding unit 20 sequentially delivers the connection terminals 01 to the lower die unit 40, the enameled wire cable enters from the side surfaces of the upper die unit 30 and the lower die unit 40, and the upper die unit 30 is pressed down to wrap the enameled wire cable in the connection terminals 01.

The lower die unit 40 includes a lower crimping die 41 and a force releasing groove 42, the terminal 02 to be crimped is placed on the lower crimping die 41, the force releasing groove 42 is arranged in a downward inclination from inside to outside in the transfer direction of the feeding unit 20, the starting end is located on one side of the lower crimping die 41 away from the base 10, the tail end is located on one side of the lower crimping die 41 away from the feeding unit 20, and the side wall of the force releasing groove 42 is an arc-shaped surface. Preferably, the cross section of the force-discharging groove 42 is a trumpet-shaped structure.

According to the utility model, the force-releasing groove 42 is arranged on the lower crimping cutting die 41, so that after the enameled wire cable is crimped with the wiring terminal 01, a gap exists between the tail end of the crimping terminal and the enameled wire cable, namely, the tail part of the crimping terminal is movable and is not easy to damage.

As shown in fig. 4, the upper die unit 30 includes a press slider 31, a trimming knife 32 and an upper press knife die 33, the press slider 31 slides up and down relative to the base 10, and the trimming knife 32 and the upper press knife die 33 are disposed at one side of the press slider 31 and move synchronously with the press slider 31; the upper crimping cutter die 33 and the lower crimping cutter die 41 are correspondingly arranged, and the trimming cutter 32 is matched with the upper portion of the front wall of one end, far away from the force unloading groove 42, of the lower crimping cutter die 41 and used for cutting the cable. Specifically, the trimming knife 32 is disposed between the crimping slider 31 and the upper crimping die 33 to trim the excess cable at the front end of the terminal 02 to be crimped, thereby improving the practicability of the piercing terminal crimping die.

As shown in fig. 5, the upper crimping cutter die 33 includes an open groove 34 for accommodating the terminal 02 to be crimped, the inner wall of the groove bottom of the open groove 34 is two adjacent arc surfaces, namely a first arc surface 341 and a second arc surface 342, and the joint of the first arc surface 341 and the second arc surface 342 protrudes; the side wall of the open slot 34 is an arc-shaped surface, and the longitudinal section of the open slot 34 is in a trumpet shape.

As a preference of this embodiment, the first arc surface 341 and the second arc surface 342 are symmetrically arranged, and the first arc surface 341 and the second arc surface 342 act on the terminal 02 to be crimped at the same time, and those skilled in the art may set according to actual situations, where the height of the first arc surface 341 may also be higher than that of the second arc surface 342, and the height of the second arc surface 342 may also be higher than that of the first arc surface 341, so that one end may be crimped first, and then the other end may be crimped, thereby improving the order of crimping the terminal.

Specifically, in order to improve the crimping effect, the upper die unit 30 further includes a crimping guide pin 35, and the crimping guide pin 35 is disposed on the other side of the trimming blade 32, is engaged with the adjacent terminal of the terminal 02 to be crimped, and protrudes from the upper crimping blade 33 to guide the upper crimping blade 33. Specifically, before the upper crimping cutting die 33 moves down for crimping, the crimping guide ejector pin 35 falls down in one step and is fixed on the adjacent terminal of the terminal 02 to be crimped, so that the position of the terminal 02 to be crimped is fixed during crimping, and the crimping accuracy is ensured.

As shown in fig. 6, a height adjusting wheel 36 is also disposed above the crimping slider 31 for controlling the crimping rate. Specifically, the higher the height, the longer the time required for the fall, and the slower the crimping rate.

As shown in fig. 7, the feeding unit 20 includes a bottom plate 21, a material placing groove 22, a driving assembly 23 and an arc-shaped feeding claw 24, the material placing groove 22 is disposed on the bottom plate 21, the connection terminal 01 is disposed in the material placing groove 22, the driving assembly 23 is disposed on one side of the bottom plate 21 far away from the material placing groove 22, and includes a feeding cylinder 231 and a push rod 232, and the push rod 232 is connected with the arc-shaped feeding claw 24 through a rotating shaft. It should be noted here that an arc-shaped opening is arranged above the arc-shaped feeding claw 24, the arc-shaped opening is movably connected with a wiring terminal 01, and the wiring terminal 01 is placed in the material guide chute; the below of arc pay-off claw 24 is equipped with perforation and oblique angle, and the perforation passes through the rotation axis with push rod 232 to be connected, and the oblique angle department of arc pay-off claw 24 is equipped with the spring, and the spring mounting promotes arc pay-off claw 24 through elasticity in the inner chamber of bottom plate 21 for arc pay-off claw 24 can reciprocating transport binding post 01.

Specifically, the feeding unit 20 further includes a pressing plate 25, and the pressing plate 25 is disposed on the material placing groove 22 and fixed on the bottom plate 21 through an adjusting nut. The pressing plate 25 has one function of fixing the scrap blowing pipe 51 and the first cover plate 61 and the other function of limiting the position of the terminal 01 during the transfer.

In order to guarantee the production safety and improve the production quality, the automatic trimming device further comprises a blowing unit 50, wherein the blowing unit 50 comprises an external air supply assembly and a waste blowing pipe 51, the waste blowing pipe 51 is fixed on the pressing plate 25 and arranged towards the direction of the downward pressing and connecting cutter die 41, and the waste materials cut by the trimming cutter 32 are subjected to pneumatic removal.

With continued reference to fig. 1 to 2, the safety shield plate 60 further includes a first shield plate 61, a second shield plate 62 and a third shield plate 63, the first shield plate 61 is an L-shaped structure and includes a first connecting portion 611 and a second connecting portion 612, the first connecting portion 611 is vertically disposed on the pressing plate 25, the second connecting portion 612 is disposed along the moving direction of the wiring terminal 01, the second shield plate 62 is disposed at a certain distance below the second connecting portion 612 and is vertical to the base 10, and the third shield plate 63 is disposed at the output end of the force-releasing slot 42. Specifically, safety shield plate 60 sets up respectively around crimping cutting die 41 under, guarantees to blow waste pipe 51 with the orderly rejection of waste material, and the three makes the enameled wire cable can deliver from the side in coordination simultaneously, can place the coil of wire in the mould side in actual production, and the side is delivered and can be improved space utilization.

As shown in fig. 3, the third cover plate 63 is provided with a guide groove 64 for delivering the enameled wire cable, the guide groove 64 includes an inlet 641 and an extension 642 penetrating therethrough, an upper end surface of the inlet 641 is flush with a bottom end of the second connecting portion 612, a lower end surface of the inlet 641 is flush with an upper end surface of the second cover plate 62, the inlet 641 is disposed in a downward inclined manner, the extension 642 is disposed at an output end of the force-releasing groove 42, and a longitudinal section of the extension 642 is U-shaped. Specifically, the lower end surface of the extending portion 642 is flush with the lower end surface of the force unloading groove 42, so that the crimping process is not blocked, and meanwhile, in the automatic production process, the coil enters from the guide groove 64, and the guide effect is improved.

It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A puncture type terminal crimping die is used for crimping an enameled wire cable and a wiring terminal and is characterized by comprising a base, a feeding unit, an upper die unit and a lower die unit, wherein the upper die unit and the lower die unit are arranged on the base, and the piercing type terminal crimping die is used for crimping an enameled wire cable and a wiring terminal and is characterized in that the piercing type terminal crimping die comprises a base, a feeding unit, an upper die unit and a lower die unit

2. The pierce-type terminal crimping die of claim 1, wherein the upper die unit includes a crimping slider, an aligning cutter and an upper crimping cutter die, the crimping slider slides up and down relative to the base, the aligning cutter and the upper crimping cutter die are disposed on one side of the crimping slider and move synchronously with the crimping slider; go up the crimping cutting die with the crimping cutting die corresponds the setting down, repair neat sword with the crimping cutting die keeps away from down unload the cooperation of force groove's one end antetheca upper portion for cut the cable.

3. The puncture type terminal crimping die of claim 2, wherein the upper crimping cutter die comprises an open slot for accommodating the terminal to be crimped, the inner wall of the slot bottom of the open slot is two adjacent cambered surfaces, namely a first cambered surface and a second cambered surface, and the joint of the first cambered surface and the second cambered surface is convex; the lateral wall of open slot is the arcwall face, the longitudinal section of open slot is loudspeaker form.

4. The pierce-type terminal crimping die of claim 2, wherein the upper die unit further includes a crimping guide pin disposed on the other side of the trimming blade, cooperating with the adjacent terminal of the terminal to be crimped, and protruding from the upper crimping blade to guide the upper crimping blade.

5. The pierce-type terminal crimping die of claim 4, wherein a height adjustment wheel is further provided above the crimping slider for controlling the crimping rate.

6. The puncture type terminal crimping die according to any one of claims 1 to 5, wherein the feeding unit comprises a bottom plate, a material placing groove, a driving assembly and an arc-shaped feeding claw, the material placing groove is arranged on the bottom plate, the wiring terminal is arranged in the material placing groove, the driving assembly is arranged on one side of the bottom plate away from the material placing groove and comprises a feeding cylinder and a push rod, and the push rod is connected with the arc-shaped feeding claw through a rotating shaft.

7. The pierce-type terminal crimping die of claim 6, wherein the feeding unit further comprises a pressing plate, the pressing plate is disposed at an upper end of the material placing groove and fixed on the bottom plate through an adjusting nut.

8. The pierce-type terminal crimping die of claim 7, further comprising an air blowing unit, wherein the air blowing unit comprises an external air supply assembly and a waste blowing pipe, the waste blowing pipe is fixed on the pressing plate and is arranged towards the lower crimping cutter die, and the waste cut by the trimming cutter is pneumatically removed.

9. The puncture type terminal crimping die according to claim 7, further comprising a safety shield plate, wherein the safety shield plate comprises a first shield plate, a second shield plate and a third shield plate, the first shield plate is of an L-shaped structure and comprises a first connecting portion and a second connecting portion, the first connecting portion is vertically arranged on the pressing plate, the second connecting portion is arranged along a moving direction of the wiring terminal, the second shield plate is arranged at a position below the second connecting portion at a certain distance and is vertical to the base, and the third shield plate is arranged at an output end of the force unloading groove.

10. The pierce-type terminal crimping die of claim 9, wherein the third cover plate is provided with a guide groove for delivering the enameled wire cable, the guide groove comprises an inlet portion and an extension portion, the inlet portion is disposed through the guide groove, an upper end surface of the inlet portion is flush with a bottom end of the second connecting portion, a lower end surface of the inlet portion is flush with an upper end surface of the second cover plate, the inlet portion is disposed in a downward inclined manner, the extension portion is disposed at an output end of the force-releasing groove, and a longitudinal section of the extension portion is of a U-shaped structure.