CN212397855U

CN212397855U - Elastic structure of hardware stamping die

Info

Publication number: CN212397855U
Application number: CN202020801663.4U
Authority: CN
Inventors: 张琪敏; 覃燊
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2021-01-26
Anticipated expiration: 2030-05-14

Abstract

The utility model discloses a five metals stamping die's elastic construction, include the lower mould and go up the mould. Has the advantages that: the utility model adopts the outer cylinder, the ejector rod and the spring, the ejector rod is drawn out and inserted in the outer cylinder, the spring is repeatedly compressed and restored, the lubricating oil is contained in the outer cylinder, when the spring is completely compressed, the lubricating oil reduces the friction among the spring rings, thereby reducing the damage of the spring surfaces caused by mutual friction, reducing the damage rate, thereby prolonging the service life of the spring, reducing the maintenance frequency, simultaneously, the mandril drives the movable wheels to roll in the track, the support rods are provided with a plurality of groups up and down to guide the mandril, the inclination of the mandril is avoided, the up-and-down motion of the mandril is more stable, the mandril is prevented from touching the top surface of the outer cylinder, the phenomenon that the spring is deflected under lateral pressure is avoided, the trouble of additionally arranging a guide structure is saved, because the lubricating oil is contained in the outer barrel, the moving wheel moves more smoothly, the wear is less, and the service life is longer than that of the traditional guide structure.

Description

Elastic structure of hardware stamping die

Technical Field

The utility model relates to a five metals stamping die technical field particularly, relates to a five metals stamping die's elastic construction.

Background

A stamping die is a special processing equipment for processing materials (metal or nonmetal) into parts (or semi-finished products) in cold stamping, called as a cold stamping die (commonly called as a cold stamping die), and stamping is a pressure processing method for applying pressure to the materials by using a die arranged on a press machine at room temperature to generate separation or plastic deformation so as to obtain required parts.

In stamping die, adopt elastic construction, the mould shifts up in the help, traditional elastic construction majority is the spring, the spring is when being compressed, can contact friction between the spring ring, under dry state, the frictional force is great between the ring, the surface can be impaired because of the friction sometimes, influence the life of spring, need often change the spring, it is more troublesome to maintain, simultaneously, in order to avoid the spring to take place the slope compression, be equipped with guide structure usually, guide structure includes guide cylinder and guide bar, at the in-process that the upper die reciprocated, the guide bar is at the inside friction of inserting of guide cylinder, cause irreversible wearing and tearing easily, thereby the mould damages with higher speed, seriously influence mould life.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a five metals stamping die's elastic construction possesses at the bottom of the spring spoilage, the longer advantage of life, and then solves the problem among the above-mentioned background art.

(II) technical scheme

For realizing the longer advantage of at the bottom of above-mentioned spring spoilage, life, the utility model discloses a concrete technical scheme as follows:

the utility model provides a five metals stamping die's elastic construction, includes the lower mould and goes up the mould, lower mould top surface fixed mounting has the urceolus, and urceolus top surface central point puts through connection and has the ejector pin to install the spring in ejector pin bottom surface and the urceolus between the bottom surface, the spring both ends respectively with ejector pin bottom surface and urceolus in bottom surface fixed connection, the inside lubricating oil that has held of urceolus, and the lubricating oil liquid level has not crossed the spring top surface, the lower mould top is provided with the mould, ejector pin top surface and last mould bottom surface fixed.

Further, the lantern ring is sleeved on the surface of the bottom of the ejector rod, a supporting rod is fixedly connected to the outer surface of the lantern ring, a wheel groove is formed in the other end of the supporting rod, a movable wheel is arranged inside the wheel groove, a rotating shaft is fixedly connected to the center of the surface of the two sides of the movable wheel and penetrates through the wheel groove and is connected with the wheel groove in a rotating mode, a track is formed in the inner wall of the outer barrel, and the movable wheel is in rolling butt joint with the inner wall of the track.

Furthermore, an oil injection port is formed in the top surface of the outer barrel, and an oil discharge port is connected to the surface of one side of the bottom of the outer barrel in a penetrating manner.

Furthermore, a round hole is formed in the center of the top surface of the outer barrel, the ejector rod penetrates through the round hole, and the diameter of the round hole is slightly larger than that of the ejector rod.

Further, the moving wheel is made of stainless steel, and the width of the track is slightly larger than that of the moving wheel.

Further, the lantern ring is provided with two, the branch is arranged with a plurality ofly to the equidistance.

(III) advantageous effects

Compared with the prior art, the utility model provides a five metals stamping die's elastic construction possesses following beneficial effect:

(1) the utility model discloses an urceolus, ejector pin and spring, along with the removal of last mould, the ejector pin is taken out at the urceolus and is inserted the removal, and the spring is compressed repeatedly and resumes, and the urceolus is inside to be held lubricating oil, and when the spring was compressed completely, lubricating oil has reduced the friction between the spring ring to reduced the damage that the spring surface produced because of the looks mutual friction, reduced the breakage rate, thereby prolonged the life of spring, reduced the maintenance frequency.

(2) The utility model discloses a branch and removal wheel, when the ejector pin reciprocated, the ejector pin drive removed the wheel and roll in the track, branch is provided with the multiunit from top to bottom, lead for the ejector pin, avoid the ejector pin slope, the up-and-down motion of ejector pin is more steady, avoid ejector pin touching urceolus top surface, because the ejector pin is vertical reciprocating, avoid the spring to take place the crooked phenomenon of side direction pressurized, the trouble of additionally setting up guide structure has been saved, and simultaneously, because the inside lubricating oil that has held of urceolus, it is more smooth and easy to remove the wheel removal, wear is littleer, long service life is longer for traditional guide structure.

Drawings

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

Fig. 1 is a schematic structural diagram of an elastic structure of a hardware stamping die provided by the present invention;

FIG. 2 is a sectional view A-A of the elastic structure of the hardware stamping die provided by the utility model;

fig. 3 is a B-B sectional view of the elastic structure of the hardware stamping die provided by the present invention.

In the figure:

1. a lower die; 2. an outer cylinder; 3. a spring; 4. a strut; 5. a collar; 6. a top rod; 7. a track; 8. an oil discharge port; 9. a moving wheel; 10. an oil filling port; 11. a wheel groove; 12. a rotating shaft; 13. and (5) an upper die.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a five metals stamping die's elastic construction.

Referring to the drawings and the detailed description, as shown in fig. 1-3, the elastic structure of a hardware stamping die according to an embodiment of the present invention comprises a lower die 1 and an upper die 13, wherein an outer cylinder 2 is fixedly installed on the top surface of the lower die 1, a top rod 6 is connected to the center of the top surface of the outer cylinder 2 in a penetrating manner, a spring 3 is installed between the bottom surface of the top rod 6 and the inner bottom surface of the outer cylinder 2, two ends of the spring 3 are respectively fixedly connected with the bottom surface of the top rod 6 and the inner bottom surface of the outer cylinder 2, lubricating oil is contained in the outer cylinder 2, the liquid level of the lubricating oil is over the top surface of the spring 3, the volume of the space between the upper side of the lubricating oil and the top surface of the outer cylinder 2 is larger than the volume of the top rod 6, so as to prevent the lubricating oil from overflowing after the top rod 6 completely enters the, not shown in detail in the figure, along with the movement of the upper die 13, the ejector rod 6 is drawn and inserted in the outer cylinder 2, the spring 3 is repeatedly compressed and restored, lubricating oil is contained in the outer cylinder 2, and when the spring 3 is completely compressed, the lubricating oil reduces the friction between the rings of the spring 3, so that the damage of the surfaces of the spring 3 caused by mutual friction is reduced, the damage rate is reduced, the service life of the spring 3 is prolonged, and the maintenance frequency is reduced.

In one embodiment, the bottom surface of the top rod 6 is fixedly sleeved with a sleeve ring 5, the outer surface of the sleeve ring 5 is fixedly connected with a supporting rod 4, the other end of the supporting rod 4 is provided with a wheel groove 11, a moving wheel 9 is arranged inside the wheel groove 11, a rotating shaft 12 is fixedly connected to the central position of the two side surfaces of the moving wheel 9, the rotating shaft 12 penetrates through the wheel groove 11 and is rotatably connected with the wheel groove 11, the structure of the common rotatable wheel is a common rotatable wheel structure, which is not described in detail herein, the inner wall of the outer barrel 2 is provided with a track 7, the moving wheel 9 is in rolling contact with the inner wall of the track 7, the track 7 guides the moving wheel 9, when the top rod 6 moves up and down, the top rod 6 drives the moving wheel 9 to roll in the track 7, the plurality of groups are arranged above and below the supporting rod 4 to guide the top rod 6, so, avoid spring 3 to take place the crooked phenomenon of side direction pressurized, saved the trouble of additionally addding guide structure, simultaneously, because the inside lubricating oil that has held of urceolus 2, it is more smooth and easy to remove wheel 9, and wear is littleer, and life is longer for traditional guide structure.

In one embodiment, the top surface of the outer cylinder 2 is provided with an oil filling opening 10, and one side surface of the bottom of the outer cylinder 2 is connected with an oil discharging opening 8 in a penetrating manner, so that lubricating oil can be added by opening the oil filling opening 10, and the lubricating oil can be discharged by opening the oil discharging opening 8, thereby facilitating the replacement of the lubricating oil.

In one embodiment, a circular hole is formed in the center of the top surface of the outer cylinder 2, the push rod 6 penetrates through the circular hole, the diameter of the circular hole is slightly larger than that of the push rod 6, the circular hole prevents the push rod 6 from contacting the outer cylinder 2, and meanwhile, internal and external air pressures are balanced.

In one embodiment, the moving wheel 9 is made of stainless steel, the width of the track 7 is slightly larger than that of the moving wheel 9, and the moving wheel 9 made of stainless steel has a smoother surface, low friction and is more wear-resistant.

In one embodiment, the lantern ring 5 is provided with two, and the branch 4 is arranged with a plurality of equidistance, provides multi-angle support for ejector pin 6, avoids ejector pin 6 crooked.

The working principle is as follows:

along with the movement of the upper die 13, the ejector rod 6 is inserted into the outer cylinder 2 to move, the spring 3 is repeatedly compressed and restored, lubricating oil is contained in the outer cylinder 2, when the spring 3 is completely compressed, the lubricating oil reduces the friction between the rings of the spring 3, thereby reducing the damage of the surface of the spring 3 caused by mutual friction, and reducing the damage rate, thereby prolonging the service life of the spring 3 and reducing the maintenance frequency, meanwhile, when the ejector rod 6 moves up and down, the ejector rod 6 drives the movable wheel 9 to roll in the track 7, a plurality of groups are arranged above and below the support rod 4 to guide the ejector rod 6, so as to avoid the inclination of the ejector rod 6, ensure that the ejector rod 6 moves up and down more stably, avoid the ejector rod 6 from touching the top surface of the outer cylinder 2, because the ejector rod 6 moves up and down vertically, avoid the phenomenon that the spring 3 is deflected under lateral pressure, and save the trouble of additionally arranging a guide structure, the moving wheel 9 moves more smoothly, the wear is less, and the service life is longer than that of the traditional guide structure.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a five metals stamping die's elastic construction, a serial communication port, include lower mould (1) and last mould (13), lower mould (1) top surface fixed mounting has urceolus (2), and urceolus (2) top surface central point puts through connection and has ejector pin (6) to install spring (3) between the bottom in ejector pin (6) bottom surface and urceolus (2), bottom fixed connection in spring (3) both ends respectively with ejector pin (6) bottom surface and urceolus (2), urceolus (2) inside has held lubricating oil, and the lubricating oil liquid level does not cross spring (3) top surface, lower mould (1) top is provided with mould (13), ejector pin (6) top surface with go up mould (13) bottom surface fixed connection.

2. The elastic structure of the hardware stamping die as claimed in claim 1, wherein the top rod (6) is sleeved with a lantern ring (5) at the bottom surface thereof, a supporting rod (4) is fixedly connected to the outer surface of the lantern ring (5), a wheel groove (11) is formed in the other end of the supporting rod (4), a moving wheel (9) is arranged inside the wheel groove (11), a rotating shaft (12) is fixedly connected to the center of the surface of each of two sides of the moving wheel (9), the rotating shaft (12) penetrates through the wheel groove (11) and is rotatably connected with the wheel groove (11), a track (7) is formed in the inner wall of the outer barrel (2), and the moving wheel (9) is in rolling abutting connection with the inner wall of the track (7).

3. The elastic structure of the hardware stamping die as claimed in claim 1, wherein an oil filling port (10) is formed in the top surface of the outer cylinder (2), and an oil discharging port (8) is connected to one side surface of the bottom of the outer cylinder (2) in a penetrating manner.

4. The elastic structure of the hardware stamping die as claimed in claim 1, wherein a round hole is formed in the center of the top surface of the outer cylinder (2), the ejector rod (6) penetrates through the round hole, and the diameter of the round hole is slightly larger than that of the ejector rod (6).

5. The elastic structure of a hardware stamping die according to claim 2, wherein the moving wheel (9) is made of stainless steel, and the width of the rail (7) is slightly larger than that of the moving wheel (9).

6. The elastic structure of a hardware stamping die as claimed in claim 2, wherein the number of the lantern rings (5) is two, and the number of the supporting rods (4) is equal.