CN111545655A

CN111545655A - Opening expanding die for heat treatment of electronic connector contact

Info

Publication number: CN111545655A
Application number: CN202010590664.3A
Authority: CN
Inventors: 张军; 郭黄生
Original assignee: Shenzhen Guoxiangxin Precision Mould Co ltd
Current assignee: Shenzhen Guoxiangxin Precision Mould Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2020-08-18
Anticipated expiration: 2040-06-24
Also published as: CN111545655B

Abstract

The invention discloses an expansion die for heat treatment of an electronic connector contact head, which comprises a bottom plate, wherein one side of the bottom plate is connected with square iron, the other side of the bottom plate is connected with a mounting seat, two sides of the bottom plate are connected with guide blocks, the bottom plate is connected with a bottom wear-resistant block, the surface of the bottom wear-resistant block is connected with a sliding block seat in a sliding manner, the left side of the sliding block seat is provided with a clamping groove, the right side of the sliding block seat is provided with two mounting grooves, the center of each mounting groove is provided with a T-shaped hole, a T-shaped connecting rod is mounted in each T-shaped hole, each mounting groove is connected with a limiting block, each T-shaped connecting rod at two sides is connected with a pulling plate, each pulling plate is connected with a core rod, each core rod is connected with a guide seat, each guide seat is connected with an expansion die, the panel is connected with the cylinder, and the power take off end of cylinder is connected with the connector, and the connector is connected with the shovel base.

Description

Opening expanding die for heat treatment of electronic connector contact

Technical Field

The invention belongs to the technical field of expansion dies, and particularly relates to an expansion die for heat treatment of an electronic connector contact.

Background

The electronic connector contact is a shaft part with a central hole, and the electronic connector contact and other parts are mutually inserted for use, so that an expansion opening is needed, and the expansion opening is a stamping method for forcing the thickness of a blank to be reduced and the surface area to be increased under the action of a die so as to obtain the geometric shape of the part. The bulging process is different from the deep drawing process, the plastic deformation area of the blank is limited in the range of the deformation area, the material does not transfer outside the deformation area, and does not enter the deformation area from the outside, and the partial thinning of the blank is used for realizing the bulging process.

Disclosure of Invention

In view of the problems raised by the above background art, the present invention is directed to: aims to provide an expansion die for heat treatment of an electronic connector contact.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:

an opening expanding die for heat treatment of an electronic connector contact head comprises a bottom plate, wherein one side of the bottom plate is connected with square iron, the other side of the bottom plate is connected with a mounting seat, the mounting seat is arranged in an L-shaped structure, guide blocks are connected to the two sides of the square iron and the mounting seat on the bottom plate, a bottom wear-resisting block is connected between the square iron and the mounting seat on the bottom plate, a slider seat is connected to the surface of the bottom wear-resisting block in a sliding manner, an elastic pad is connected between the slider seat and the square iron, a clamping groove is formed in the left side of the slider seat, a clamping block is connected in the clamping groove, the clamping block is connected with a back wear-resisting block, two mounting grooves are formed in the right side of the slider seat, a T-shaped hole is formed in the center of the mounting grooves, a T-shaped connecting rod is mounted in, the T-shaped connecting rods on two sides are connected with pull plates, the pull plates are connected with mandrils, the mandrils penetrate through the mounting seat and extend to the left side of the mounting seat, the mandrils are connected with guide seats, the guide seats are obliquely arranged and connected with expansion die cores, the guide seats are mounted in the expansion die cores, inclined planes matched with the guide seats are arranged in the expansion die cores, the left sides of the expansion die cores are slidably connected with cover plates, the cover plates are connected with the mandrils, the right sides of the expansion die cores are slidably connected with press blocks, the press blocks are connected with compression springs, the mounting seat is provided with annular mounting grooves, the press blocks and the compression springs are mounted in the annular mounting grooves, the mounting seat is connected with limiting sleeves on the outer sides of the mandrils, the square irons and the top of the mounting seat are connected with supporting blocks, the top, the connector is connected with a shovel base, and the shovel base is located on the upper side of the back wear-resistant block.

Further inject, the square iron is equipped with a plurality of counter bores, the counter bore is connected with locking screw, the square iron passes through locking screw and bottom plate locking connection. The square iron is fixedly connected through the structural design, and the square iron is convenient to disassemble.

Further inject, square iron surface both sides are equipped with the round hole, the round hole in-connection has the locating pin, square iron passes through the locating pin and is connected with the bottom plate location. Such structural design makes the square iron fix a position through locating pin and bottom plate, prevents that the square iron from appearing the tilt state.

Further limiting, the bottom wear-resistant block is a bronze bottom wear-resistant block, a plurality of grooves are formed in the surface of the bottom wear-resistant block, and graphite particles are connected in the grooves. The wear-resisting piece in bottom is better durable by the structural design, and the service life of the wear-resisting piece in bottom is prolonged.

Further limiting, the left side of the back wear-resistant block is obliquely arranged, and the inclination angle is 15-50 degrees. The structural design is convenient to use in cooperation with the shovel base.

Further inject, both sides all are connected with the crew cut screw about the stopper, the stopper passes through the crew cut screw and is connected with slider seat locking. Such a structural design makes the connection more stable.

Further limit, the back wear-resistant block and the fixture block are arranged in an integrally formed structure. The structural design is convenient for processing and forming.

Further inject, the mould core that expands is equipped with the recess, the recess in-connection has the elasticity to enclose the muscle. The structural design prevents the phenomenon of deviation of the expansion die core during displacement.

Further limit, the bottom of the right side of the shovel base is provided with a round angle. The structural design increases the service life of the shovel base.

Further inject, the both sides of slider seat are connected with the side ear, the side ear surface is connected with the briquetting, the briquetting is installed on the guide block. The sliding effect is better due to the structural design.

The invention has the following advantages:

1. the limiting sleeve is arranged, and the workpiece needing to be subjected to opening expansion is fixed and limited by the limiting sleeve, so that the phenomenon of deviation in machining is prevented;

2. according to the invention, the elastic pad is arranged, after the opening expansion operation is finished, the cylinder drives the shovel base to recover, the sliding block seat is pushed back by the rebound force of the elastic pad, and the core rod is reset;

3. the invention has compact and simple structure, small volume, even bulging and less auxiliary procedures, thereby having low production cost and high production efficiency.

Drawings

The invention is further illustrated by the non-limiting examples given in the accompanying drawings;

FIG. 1 is a schematic structural diagram of an expansion die for heat treatment of an electronic connector contact according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of an expansion die for heat treatment of an electronic connector contact according to an embodiment of the present invention;

fig. 3 is an enlarged schematic structural view of an expansion die for heat treatment of an electronic connector contact according to an embodiment of the present invention at a position a;

the main element symbols are as follows:

the device comprises a bottom plate 1, square iron 2, a mounting seat 3, a guide block 4, a bottom wear-resistant block 5, a slider seat 6, an elastic pad 7, a clamping block 8, a back wear-resistant block 9, a T-shaped connecting rod 10, a limiting block 11, a pulling plate 12, a core rod 13, a guide seat 14, an expansion die core 15, a cover plate 16, a pressing block 17, a compression spring 18, an annular mounting groove 19, a limiting sleeve 20, a supporting block 21, a panel 22, an air cylinder 23, a connecting head 24, a shovel base 25, a flat head screw 26, a groove 27, an elastic ring rib 28, a fillet 29 and a pressing block 30.

Detailed Description

In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.

As shown in fig. 1-3, the invention relates to an expansion die for heat treatment of an electronic connector contact head, one side of a bottom plate 1 is connected with a square iron 2, the other side of the bottom plate 1 is connected with a mounting seat 3, the mounting seat 3 is arranged in an L-shaped structure, the bottom plate 1 is connected with guide blocks 4 at two sides of the square iron 2 and the mounting seat 3, the bottom plate 1 is connected with a bottom wear-resistant block 5 between the square iron 2 and the mounting seat 3, the surface of the bottom wear-resistant block 5 is slidably connected with a sliding block seat 6, an elastic pad 7 is connected between the sliding block seat 6 and the square iron 2, the left side of the sliding block seat 6 is provided with a clamping groove, a clamping block 8 is connected in the clamping groove, the clamping block is connected with a back wear-resistant block 9, the right side of the sliding block seat 6 is provided with two mounting grooves, the center of the mounting groove is provided with a T-shaped, the T-shaped connecting rods 10 on two sides are connected with pull plates 12, the pull plates 12 are connected with core rods 13, the core rods 13 penetrate through the mounting seat 3 and extend to the left side of the mounting seat, the core rods 13 are connected with guide seats 14, the guide seats 14 are obliquely arranged, the guide seats 14 are connected with expansion mold cores 15, the guide seats 14 are mounted in the expansion mold cores 15, inclined planes matched with the guide seats 14 are arranged in the expansion mold cores 15, the left sides of the expansion mold cores 15 are slidably connected with cover plates 16, the cover plates 16 are connected with the core rods 13, the right sides of the expansion mold cores 15 are slidably connected with press blocks 17, the press blocks 17 are connected with compression springs 18, the mounting seat 3 is provided with an annular mounting groove 19, the press blocks 17 and the compression springs 18 are mounted in the annular mounting groove 19, the mounting seat 3 is connected with a limiting sleeve 20 on the outer side of the core rods 13, the square iron 2 and the top of, the connecting head 24 is connected with a shovel base 25, and the shovel base 25 is positioned on the upper side of the back wear-resisting block 9.

When the electronic connector expansion device is used, an electronic connector contact head needing to be expanded is placed on the limiting sleeve 20, limiting and fixing are carried out by means of the limiting sleeve 20, the air cylinder 23 is made to push the connecting head 24 by controlling the air cylinder 23, the connecting head 24 pushes the shovel base 25, the shovel base 25 descends and pushes the back wear-resistant block 9, the back wear-resistant block 9 pushes the slider seat 6, the slider seat 6 drives the T-shaped connecting rod 10 to move towards the right side, the elastic cushion 7 is compressed, the pull plate 12 is pulled by the T-shaped connecting rod 10 while the slider seat 6 drives the T-shaped connecting rod 10 to move towards the right side, the pull plate 12 pulls the cover plate 16, the cover plate 16 moves towards the right side while pushing the expansion die core 15, the expansion die core 15 expands along the guide seat 14, meanwhile, the expansion die core 15 pushes the press block 17, the press block 17 pushes the compression spring 18 to compress, and expansion operation is carried out.

The device comprises a bottom plate 1, square iron 2, a mounting seat 3, a guide block 4, a bottom wear-resistant block 5, a slider seat 6, an elastic pad 7, a clamping block 8, a back wear-resistant block 9, a T-shaped connecting rod 10, a limiting block 11, a pulling plate 12, a core rod 13, a guide seat 14, an expansion die core 15, a cover plate 16, a pressing block 17, a compression spring 18, an annular mounting groove 19, a limiting sleeve 20, a supporting block 21, a panel 22, an air cylinder 23, a connecting head 24, a shovel base 25, a flat head screw 26, a groove 27, an elastic ring rib 28, a fillet 29 and a pressing block 30

The optimized square iron 2 is provided with a plurality of countersunk holes, the countersunk holes are connected with locking screws, and the square iron 2 is in locking connection with the bottom plate 1 through the locking screws. The square iron 2 is fixedly connected and is convenient to detach due to the structural design. In fact, other structural shapes of the square iron 2 may be considered as the case may be.

The two sides of the surface of the optimized square iron 2 are provided with round holes, the round holes are connected with positioning pins, and the square iron 2 is connected with the bottom plate 1 through the positioning pins in a positioning mode. Such structural design makes square iron 2 fix a position through locating pin and bottom plate 1, prevents that the square iron 2 from appearing the tilt state. In fact, other positioning structure shapes of the square iron 2 can be considered according to specific situations.

Preferably, the bottom wear-resistant block 5 is a bronze bottom wear-resistant block 5, a plurality of grooves are formed in the surface of the bottom wear-resistant block 5, and graphite particles are connected in the grooves. The structural design enables the bottom wear-resisting block 5 to be better durable, and the service life of the bottom wear-resisting block 5 is prolonged. In fact, other structural shapes of the bottom wear block 5 may also be considered as the case may be.

Preferably, the left side of the back wear-resistant block 9 is obliquely arranged, and the inclination angle is 15-50 degrees. Such a configuration is convenient for use with scoop base 25. In fact, other structural shapes of the back wear block 9 may be considered as the case may be.

Preferably, both the upper side and the lower side of the limiting block 11 are connected with flat head screws 26, and the limiting block 11 is connected with the sliding block seat 6 in a locking manner through the flat head screws 26. Such a structural design makes the connection more stable. In fact, other configurations of the stop block 11 may be considered as appropriate.

Preferably, the back wear-resistant block 9 and the fixture block 8 are integrally formed. The structural design is convenient for processing and forming. In fact, other structural shapes of the back wear-resistant block 9 and the clamping block 8 can be considered according to specific situations.

Preferably, the expansion die core 15 is provided with a groove 27, and an elastic ring rib 28 is connected in the groove 27. The structural design prevents the expansion die core 15 from deviating during displacement. In fact, other structural shapes of the expansion core 15 may be considered as the case may be.

Preferably, the bottom of the right side of shovel base 25 is provided with a rounded corner 29. Such a structural design increases the useful life of bucket foundation 25. In fact, other configurations of blade base 25 may be considered as appropriate.

Preferably, the two sides of the slider seat 6 are connected with side lugs, the surfaces of the side lugs are connected with pressing blocks 30, and the pressing blocks 30 are installed on the guide block 4. The sliding effect is better due to the structural design. In fact, other configurations of the slider holder 6 may be considered as appropriate.

The foregoing embodiments are merely illustrative of the principles of the present invention and its efficacy, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides an electronic connector contact heat treatment is with mouthful mould that expands, includes bottom plate (1), its characterized in that: one side of the bottom plate (1) is connected with square iron (2), the other side of the bottom plate (1) is connected with a mounting seat (3), the mounting seat (3) is arranged in an L-shaped structure, the bottom plate (1) is connected with guide blocks (4) on two sides of the square iron (2) and the mounting seat (3), a bottom wear-resistant block (5) is connected between the square iron (2) and the mounting seat (3) of the bottom plate (1), a sliding block seat (6) is connected on the surface of the bottom wear-resistant block (5) in a sliding manner, an elastic pad (7) is connected between the sliding block seat (6) and the square iron (2), a clamping groove is formed in the left side of the sliding block seat (6), a clamping block (8) is connected in the clamping groove, the clamping block is connected with a back wear-resistant block (9), two mounting grooves are formed in the right side of the sliding block seat (6), a T-shaped hole, the mounting groove is connected with a limiting block (11), the T-shaped connecting rod (10) penetrates through the clamping block (8) and the back wear-resistant block (9) and extends to the left side of the clamping block, the T-shaped connecting rod (10) on two sides is connected with a pulling plate (12), the pulling plate (12) is connected with a core rod (13), the core rod (13) penetrates through the mounting seat (3) and extends to the left side of the mounting seat, the core rod (13) is connected with a guide seat (14), the guide seat (14) is obliquely arranged, the guide seat (14) is connected with an expansion mold core (15), the guide seat (14) is mounted in the expansion mold core (15), an inclined surface matched with the guide seat (14) is arranged in the expansion mold core (15), the left side of the expansion mold core (15) is slidably connected with a cover plate (16), the cover plate (16) is connected with the core rod (13), and the, briquetting (17) are connected with compression spring (18), mount pad (3) are equipped with annular mounting groove (19), briquetting (17) are installed in annular mounting groove (19) with compression spring (18), mount pad (3) are connected with stop collar (20) in the outside of plug (13), square bar (2) are connected with bracer (21) with mount pad (3) top, bracer (21) top is connected with panel (22), panel (22) are connected with cylinder (23), the power take off of cylinder (23) is connected with connector (24), connector (24) are connected with shovel base (25), shovel base (25) are located the upside of back wear-resisting piece (9).

2. The expanding die for heat treatment of the contact of the electronic connector according to claim 1, wherein: the square iron (2) is provided with a plurality of countersunk holes, the countersunk holes are connected with locking screws, and the square iron (2) is in locking connection with the bottom plate (1) through the locking screws.

3. The expanding die for heat treatment of the contact of the electronic connector according to claim 2, wherein: the square iron (2) is characterized in that round holes are formed in two sides of the surface of the square iron (2), locating pins are connected in the round holes, and the square iron (2) is connected with the bottom plate (1) in a locating mode through the locating pins.

4. The expanding die for heat treatment of the contact of the electronic connector according to claim 3, wherein: the bottom wear-resistant block (5) is a bronze bottom wear-resistant block (5), a plurality of grooves are formed in the surface of the bottom wear-resistant block (5), and graphite particles are connected in the grooves.

5. The expanding die for heat treatment of the contact of the electronic connector according to claim 4, wherein: the left side of the back wear-resistant block (9) is obliquely arranged, and the inclination angle is 15-50 degrees.

6. The expanding die for heat treatment of the contact of the electronic connector according to claim 5, wherein: the upper side and the lower side of the limiting block (11) are both connected with flat head screws (26), and the limiting block (11) is connected with the sliding block seat (6) in a locking mode through the flat head screws (26).

7. The expanding die for heat treatment of the contact of the electronic connector according to claim 6, wherein: the back wear-resistant block (9) and the clamping block (8) are arranged in an integrated structure.

8. The expanding die for heat treatment of the contact of the electronic connector according to claim 7, wherein: the expansion die core (15) is provided with a groove (27), and an elastic ring rib (28) is connected in the groove (27).

9. The expanding die for heat treatment of the contact of the electronic connector according to claim 8, wherein: and a round corner (29) is arranged at the bottom of the right side of the shovel base (25).

10. The expanding die for heat treatment of the contact of the electronic connector according to claim 9, wherein: the two sides of the sliding block seat (6) are connected with side lugs, the surfaces of the side lugs are connected with pressing blocks (30), and the pressing blocks (30) are installed on the guide blocks (4).