CN103545696B - A kind of crimping fixture being applicable to electric connector needle body - Google Patents

Abstract

The invention discloses a crimping fixture suitable for a needle body of an electric connector, which comprises a matching cover plate and a base, a mounting seat fixed in the middle of the base, and a positioning core arranged in the center of the mounting seat; There is a rotating platen with a handle. There are several arc-shaped grooves uniformly opened in the rotating platen. The inner wall of the arc-shaped groove is in the shape of an Archimedes spiral; The slider is radially arranged with the positioning core as the center and its end is placed in an arc-shaped groove. There is a cavity below the slider, and a spring is arranged in the cavity. There is a chute above the slider, and a There is a pin shaft, and one end of the spring near the arc groove is fitted with the pin shaft. The jig can effectively improve the efficiency and precision of crimping, thereby improving the pass rate and production rate of finished needles, ensuring the quality of finished products while saving manpower, greatly reducing the number of defective products, and saving production costs.

Description

A crimping fixture suitable for the needle body of an electrical connector

technical field

The invention relates to the technical field of production and manufacture of modern microelectronic industrial products, in particular to a crimping fixture suitable for a needle body of an electrical connector.

Background technique

The needle body of electrical connector is an indispensable circuit connection part in modern microelectronics industrial products. The needle body of traditional electrical connector is generally processed by metal parts, that is, the rod-shaped conductive metal strip is processed by turning, grinding and other processes. , however, the overall manufacturing efficiency is low and the difficulty is high, which makes the quality of the processed finished products vary, and there are many defective products that do not meet the pass rate, thereby increasing the production cost. In order to ensure the quality and pass rate of the needle body and control the cost, the needle body of the electrical connector has now been changed to a combined structure, that is, the needle body is divided into upper and lower parts, and the two parts are processed separately to effectively improve the processing accuracy. , to ensure the pass rate, after the processing is completed, the two parts are crimped to get the finished needle body. However, the traditional needle body crimping is generally manual operation. The two parts of the needle body to be crimped are spliced together by hand, and then the crimping is completed by using needle-nose pliers and other similar tools. However, manual operation has large errors, low precision, and The problems of low efficiency and high labor intensity are not conducive to the low-cost and rapid production of electrical connector needle bodies.

Contents of the invention

In order to solve the above-mentioned technical problems, the present invention aims to provide a crimping jig suitable for electrical connector needle bodies with simple structure, convenient operation, high processing efficiency, stable product quality and high precision.

The present invention is achieved through the following technical solutions:

A crimping fixture suitable for the needle body of an electrical connector, including a matching cover plate and a base, a mounting seat fixed in the middle of the base, and a positioning core arranged in the center of the mounting seat; The rotating pressure plate of the handle has a number of arc-shaped grooves uniformly opened in the rotating pressure plate, and the inner wall of the arc-shaped groove is in the shape of an Archimedes spiral; a slider is embedded in the mounting seat corresponding to each arc-shaped groove, The slider is radially arranged with the positioning core as the center and its end is placed in an arc-shaped groove. There is a cavity below the slider, and a spring is arranged in the cavity. There is a chute above the slider, and a pin is arranged in the chute. shaft, and the end of the spring near the arc groove fits with the pin shaft.

A baffle is arranged on the rotation path of the handle, and the baffle is fixedly connected to the base.

A limit screw perpendicular to the baffle is provided in the middle of the baffle.

One end of the slider placed in the arc groove is arc-shaped.

An adjusting screw is installed at the bottom of the center of the positioning core.

The mounting base is mounted on the base through fastening screws.

The fastening screws are hexagon socket head screws.

The chute is a waist hole.

There are four arc grooves.

The beneficial effects of the present invention are:

Compared with the prior art, the present invention provides a crimping fixture suitable for the needle body of the electrical connector. The crimping process of the needle body is completed through the mold, and only need to rotate the rotary pressure plate in the mold to push the slider to compress The needle body can complete the crimping process of the needle body, which can effectively improve the efficiency and precision of the crimping, thereby improving the pass rate and production rate of the finished needle body, ensuring the quality of the finished product while saving manpower, and greatly reducing defective products quantity, saving production cost.

Description of drawings

Fig. 1 is a top view of the present invention;

Fig. 2 is A-A sectional view of Fig. 1;

Fig. 3 is an enlarged view of the dotted line part B in Fig. 1;

In the figure: 1-handle, 2-baffle plate, 3-limit bolt, 4-base, 5-rotary platen, 6-top cover, 7-pin shaft, 8-slider, 9-spring, 10-positioning Core, 11-adjusting screw, 12-mounting seat, 13-fastening screw, 14-chute.

Detailed ways

The technical solution of the present invention will be further described below in conjunction with the accompanying drawings and embodiments, but the required protection scope is not limited to the description;

As shown in Figures 1, 2 and 3, the crimping fixture suitable for the needle body of the electrical connector provided by the present invention includes a matching cover plate 6 and a base 4, a mounting seat 12 fixed in the middle of the base 4, and an arrangement The positioning core 10 in the center of the mounting seat 12; the external mounting seat 12 is sleeved with a rotating platen 5 with a handle 1, and a number of arc-shaped grooves 15 are evenly opened in the rotating platen 5, and the inner walls of the arc-shaped grooves 15 are in the shape of a Mead spiral shape; a slider 8 is embedded in the mounting seat 12 corresponding to each arc-shaped groove 15, and the slider 8 is radially arranged with the positioning core 10 as the center and its end is placed in the arc-shaped groove 15 Inside, there is a cavity below the slide block 8, a spring 9 is arranged in the cavity, a chute 14 is opened above the slide block 8, a pin shaft 7 is arranged in the chute 14, and one end of the spring 9 near the arc groove 15 is connected with the pin Axis 7 fits.

In order to prevent the slider 8 from breaking away from the arc groove 15 due to excessive rotation of the rotary platen 5, and to prevent the excessive compression distance of the slider 8 from damaging the needle body due to excessive rotation, a baffle is provided on the rotation path of the handle 1 2. The baffle plate 2 is fixedly connected to the base 4 .

In order to meet the crimping requirements of needle bodies with different size requirements, a limit screw 3 perpendicular to the baffle 2 is provided in the middle of the baffle 2, and the limit screw 3 passes through the baffle 2 and is limited by the limit screw 3. Rotation arc of handle 1.

In order to ensure the smoothness of the rotation process and prevent the slider 8 from scratching the inner wall of the arc-shaped groove 15, one end of the slider 8 placed in the arc-shaped groove 15 is arc-shaped.

In order to meet the crimping process of needle bodies of different sizes, an adjusting screw 11 is installed at the bottom of the center of the positioning core 10, which can be adjusted according to different size requirements.

In order to prevent the mounting base 12 from rotating together with the rotating platen 5 , the mounting base 12 is mounted on the base 4 through fastening screws 13 .

The fastening screw 13 is a hexagon socket countersunk head screw, which can prevent the screw from being exposed, which is convenient for placement and can also prevent the screw from scratching the working surface.

In order to meet the sliding requirements of the pin shaft 7 and ensure the position limit, and prevent the pin shaft 7 from falling off, the chute 14 is a waist-shaped hole.

In order to save cost while ensuring the processing quality, there are four arc-shaped grooves 15 .

Embodiment: Before use, place the parts to be crimped with the needle body on the center of the top plate 6 of the present invention, slide the needle body into the positioning core 10, turn the handle 1 clockwise, and drive the rotating pressure plate 5 to rotate clockwise, forming an arc The distance between the inner wall of the groove 15 and the positioning core 10 gradually decreases, and the four sliders 8 embedded in the mounting seat 12 shrink to the middle under the action of the arc groove 15 on the rotating platen 5, pushing the four sliders 8 toward the needle body. movement, so that the needle body is crimped and fastened into an assembly. When the handle 1 rotates to the baffle 2, that is, the crimping and tightening of the needle body is completed, the handle 1 turns counterclockwise to reset, the spring 9 reversely pushes the pin shaft 7 to move outwards, and then pushes the slider 8 to open outwards, remove Crimp the fastened needle body to get the finished needle body.

Claims (1)

1. one kind is applicable to the crimping fixture of electric connector needle body, comprise the cover plate (6) that matches and base (4), be fixed in the mount pad (12) at base (4) middle part, be arranged in the locating core (10) at mount pad (12) center, it is characterized in that: described mount pad (12) outer cover is connected to the rotary platen (5) of band handle (1), evenly offer some deep-slotted chip breakers (15) in rotary platen (5), deep-slotted chip breaker (15) inwall is spiral of Archimedes shape; One piece of slide block (8) is embedded with in the mount pad (12) of each deep-slotted chip breaker (15) opposite position, slide block (8) arranges in radiation centered by locating core (10) and its end is placed in deep-slotted chip breaker (15), slide block (8) below has cavity, spring (9) is provided with in cavity, slide block (8) top has chute (14), be provided with bearing pin (7) in chute (14), spring (9) is fitted near one end of deep-slotted chip breaker (15) and bearing pin (7);

The rotate path of described handle (1) is provided with baffle plate (2), and this baffle plate (2) is fixed on base (4); Described baffle plate (2) middle part is provided with the stop screw (3) perpendicular to baffle plate (2); Described slide block (8) one end be placed in deep-slotted chip breaker (15) is circular arc; Described locating core (10) centre bottom is provided with adjustment screw (11); Described mount pad (12) is arranged on base (4) by trip bolt (13); Described trip bolt (13) is hexagon socket countersunk flat cap head screw; Described chute (14) is waist-shaped hole; Described deep-slotted chip breaker (15) has four;

The described using method being applicable to the crimping fixture of electric connector needle body is: before use, first needle body is positioned over cover plate (6) center, slide in locating core (10) under needle body, rotate clockwise handle (1), driven rotary platen (5) rotates clockwise, the distance of deep-slotted chip breaker (15) inwall and locating core (10) reduces gradually, four slide blocks (8) of mount pad (12) interior setting-in are shunk to middle part under the effect of the upper deep-slotted chip breaker (15) of rotary platen (5), promote four slide blocks (8) to move to needle body, needle body is crimped and is tightened to assembly, when handle (1) turns to baffle plate (2), namely needle body crimps fastening end, handle (1) turning anticlockwise resets, spring (9) reverse push untie-sell axle (7) is outwards moved, then promote slide block (8) outwards to open, take off the fastening good needle body of crimping, get product needle body.