CN210702109U

CN210702109U - Mechanical die with guide pillar self-lubricating structure

Info

Publication number: CN210702109U
Application number: CN201921082910.3U
Authority: CN
Inventors: 胡美君
Original assignee: Hangzhou Vocational and Technical College
Current assignee: Hangzhou Vocational and Technical College
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-06-09
Anticipated expiration: 2029-07-11

Abstract

The utility model discloses a mechanical die with guide pillar self-lubricating structure, including lower mould and the last mould that is located the lower mould top, all be fixed with the guide pillar on the up end of four edges of lower mould, be provided with the through-hole that can supply one of them guide pillar to pass respectively in the last mould, all install linear bearing in each through-hole, all be fixed with the retaining ring on the lower terminal surface of last mould that is located the position department of every through-hole, every retaining ring all the suit is in the outside of corresponding guide pillar, all be provided with first seal structure between the lower terminal surface of every retaining ring and last mould, all be provided with the second seal structure between every retaining ring and the corresponding guide pillar; an annular boss is integrally formed on the upper end face of the upper die positioned outside each linear bearing, the upper end of the annular boss is in threaded connection with a sealing cover, and a channel through which the guide pillar can movably penetrate is formed in the sealing cover; the utility model discloses can realize the lubrication to linear bearing and guide pillar, can effectively avoid linear bearing and guide pillar phenomenon that wearing and tearing appear.

Description

Mechanical die with guide pillar self-lubricating structure

Technical Field

The utility model relates to the technical field of mold, concretely relates to mechanical die with guide pillar self-lubricating structure.

Background

The existing mechanical die generally comprises a lower die and an upper die positioned above the lower die, guide pillars are fixed on the upper end surfaces of four corners of the lower die, each guide pillar is movably arranged in the upper die in a penetrating manner, through holes for one guide pillar to pass through are formed in the upper die, a linear bearing is arranged in each through hole, the linear bearing in each through hole is sleeved outside the corresponding guide pillar and is in sliding connection with the guide pillar, and the upper end of each linear bearing is fixed with the upper end surface of the upper die; when the mechanical die works, the upper die is driven to move downwards by the press, and when the upper die is contacted with the lower die, the upper die and the lower die press a product positioned on the lower die; in the process of moving the upper die up and down, because a lubricating structure is not arranged between the linear bearing and the guide pillar, the linear bearing and the guide pillar are abraded, and the service life of the linear bearing and the service life of the guide pillar are influenced.

Disclosure of Invention

The utility model provides a not enough to prior art, the utility model provides a mechanical die with guide pillar self-lubricating structure, it is when using, through the inboard at annular boss pour into lubricating oil after, in lubricating oil can enter into the clearance between linear bearing and the guide pillar, can realize the lubrication to linear bearing and guide pillar promptly, so, when linear bearing reciprocates along the guide pillar, can effectively avoid linear bearing and guide pillar phenomenon that wearing and tearing appear to can improve the life of linear bearing and guide pillar.

The utility model discloses a mechanical die with guide pillar self-lubricating structure, including lower mould and the last mould that is located the lower mould top, all be fixed with the guide pillar on the up end of four edges of lower mould, every guide pillar all moves about and wears to establish in the last mould, be provided with the through-hole that can supply one of them guide pillar to pass respectively in the last mould, all install linear bearing in every through-hole, linear bearing in every through-hole all the suit is in the outside of corresponding guide pillar and with guide pillar sliding connection, the upper end of every linear bearing all is fixed with the up end of last mould, all be fixed with the retaining ring on the lower terminal surface of last mould that is located the position department of every through-hole, every retaining ring all the suit is in the outside of corresponding guide pillar, all be provided with first seal structure between the lower terminal surface of every retaining ring and last mould; an annular boss is integrally formed on the upper end face of the upper die positioned on the outer side of each linear bearing and extends along the vertical direction, a sealing cover is connected to the upper end of the annular boss in a threaded manner, and a channel for the guide pillar to penetrate out movably is formed in the sealing cover.

The utility model discloses a mechanical die with guide pillar self-lubricating structure, wherein, first seal structure is including inlaying the first sealing washer of establishing between the lower terminal surface of retaining ring and last mould, be provided with the annular step that can supply the embedding of first sealing washer part on the up end of retaining ring, the up end of first sealing washer is supported tightly with the lower terminal surface of lower mould, the lower terminal surface of first sealing washer is supported tightly with the bottom of annular step, a plurality of that the retaining ring was worn to establish in the retaining ring through the activity is circumference evenly distributed's bolt fastening on the lower terminal surface of last mould.

The utility model discloses a mechanical die with guide pillar self-lubricating structure, wherein, second seal structure inlays in the annular caulking groove and is equipped with the second sealing washer including setting up the annular caulking groove on retaining ring internal perisporium, and the internal perisporium of second sealing washer is hugged closely with the internal perisporium of annular caulking groove, and the internal perisporium of second sealing washer is pasted with the external peripheral wall of guide pillar mutually.

The utility model discloses a mechanical die with guide pillar self-lubricating structure, wherein, the top of closing cap is provided with the tank filler sleeve, inlays in the tank filler sleeve and is equipped with the plug, and the upper end of plug is provided with the annular chimb of outside extension.

The utility model discloses a mechanical die with guide pillar self-lubricating structure, wherein, the periphery wall of closing cap is regular hexagon shape structure.

The utility model discloses when using, through the inboard at annular boss pour into lubricating oil after, lubricating oil can enter into the clearance between linear bearing and the guide pillar, can realize the lubrication to linear bearing and guide pillar promptly, so, when linear bearing reciprocates along the guide pillar, can effectively avoid linear bearing and guide pillar phenomenon that wearing and tearing appear to can improve the life of linear bearing and guide pillar.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of the structure at B in FIG. 2;

fig. 4 is an enlarged schematic structural view of C in fig. 2.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model discloses a mechanical die with a guide post self-lubricating structure, which comprises a lower die 1 and an upper die 2 positioned above the lower die 1, guide posts 3 are fixed on the upper end surfaces of four corners of the lower die 1, each guide post 3 is movably arranged in the upper die 2, the upper die 2 is provided with through holes 21 through which one guide post 3 can pass respectively, each through hole 21 is internally provided with a linear bearing 4, each linear bearing 4 in each through hole 21 is sleeved outside the corresponding guide post 3 and is in sliding connection with the guide post 3, the upper end of each linear bearing 4 is fixed with the upper end surface of the upper die 2, a check ring 5 is fixed on the lower end surface of the upper die 2 at the position of each through hole 21, each check ring 5 is sleeved outside the corresponding guide post 3, a first sealing structure is arranged between each check ring 5 and the lower end surface of the upper die 2, and a second sealing structure is arranged between each check ring 5 and the corresponding guide post 3; an annular boss 22 is integrally formed on the upper end face of the upper die 2 positioned outside each linear bearing 4, the annular boss 22 extends along the vertical direction, the upper end of the annular boss 22 is in threaded connection with a sealing cover 6, and a channel 61 through which the guide pillar 3 can movably penetrate is arranged in the sealing cover 6; the utility model discloses when using, through the inboard at annular boss pour into lubricating oil after, lubricating oil can enter into the clearance between linear bearing and the guide pillar, can realize the lubrication to linear bearing and guide pillar promptly, so, when linear bearing reciprocates along the guide pillar, can effectively avoid linear bearing and guide pillar phenomenon that wearing and tearing appear to can improve the life of linear bearing and guide pillar.

The first sealing structure comprises a first sealing ring 7 embedded between a retaining ring 5 and the lower end face of the upper die 2, an annular step 51 for partially embedding the first sealing ring 7 is arranged on the upper end face of the retaining ring 5, the upper end face of the first sealing ring 7 is abutted against the lower end face of the lower die 1, the lower end face of the first sealing ring 7 is abutted against the bottom of the annular step 51, and the retaining ring 5 is fixed on the lower end face of the upper die 2 through a plurality of bolts 52 which are movably arranged in the retaining ring 5 in a penetrating manner and are uniformly distributed in the circumferential direction; after adopting this kind of structure, the retaining ring can be fixed reliably on the lower terminal surface of last mould, and the retaining ring can compress tightly first sealing washer, so, can realize reliably sealing between retaining ring and the last mould.

The second sealing structure comprises an annular caulking groove 53 arranged on the inner peripheral wall of the retainer ring 5, a second sealing ring 8 is embedded in the annular caulking groove 53, the outer peripheral wall of the second sealing ring 8 is attached to the inner peripheral wall of the annular caulking groove 53, and the inner peripheral wall of the second sealing ring 8 is attached to the outer peripheral wall of the guide post 3; by adopting the structure, reliable sealing between the retainer ring and the guide post can be realized.

The top of the sealing cover 6 is provided with an oil filling hole 62, a rubber plug 9 is embedded in the oil filling hole 62, and the upper end of the rubber plug 9 is provided with an annular convex edge 91 extending outwards; through the setting of tank filler hole, can conveniently add lubricating oil toward the inboard of annular boss, and after lubricating oil addition completion, only need can realize the sealed to the tank filler hole with the plug dress back to in the tank filler hole.

The peripheral wall of the sealing cover 6 is of a regular hexagonal structure; after the peripheral wall of closing cap sets up to the structure of regular hexagon shape, at the in-process of assembling the closing cap on annular boss, make things convenient for the spanner to twist the closing cap to can bring the convenience for the assembly of closing cap.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a mechanical die with guide pillar is from lubricating structure, includes lower mould (1) and last mould (2) that are located lower mould (1) top, all be fixed with guide pillar (3) on the up end of four edges of lower mould (1), every guide pillar (3) all activity is worn to establish in last mould (2), go up and be provided with through-hole (21) that can supply one of them guide pillar (3) to pass respectively in mould (2), all install linear bearing (4) in every through-hole (21), linear bearing (4) in every through-hole (21) all suit in the outside of the guide pillar (3) that corresponds and with guide pillar (3) sliding connection, the upper end of every linear bearing (4) all with the up end of last mould (2) fixed, its characterized in that: the lower end face of the upper die (2) at the position of each through hole (21) is fixed with a check ring (5), each check ring (5) is sleeved outside the corresponding guide post (3), a first sealing structure is arranged between each check ring (5) and the lower end face of the upper die (2), and a second sealing structure is arranged between each check ring (5) and the corresponding guide post (3); an annular boss (22) is integrally formed on the upper end face of the upper die (2) located on the outer side of each linear bearing (4), the annular boss (22) extends along the vertical direction, the upper end of the annular boss (22) is in threaded connection with a sealing cover (6), and a channel (61) through which the guide pillar (3) can movably penetrate is arranged in the sealing cover (6).

2. The mechanical die with the guide post self-lubricating structure as set forth in claim 1, wherein the first sealing structure comprises a first sealing ring (7) embedded between the retainer ring (5) and the lower end surface of the upper die (2), an annular step (51) for partially embedding the first sealing ring (7) is arranged on the upper end surface of the retainer ring (5), the upper end surface of the first sealing ring (7) abuts against the lower end surface of the lower die (1), the lower end surface of the first sealing ring (7) abuts against the bottom of the annular step (51), and the retainer ring (5) is fixed on the lower end surface of the upper die (2) through a plurality of bolts (52) which are movably arranged in the retainer ring (5) and are uniformly distributed in the circumferential direction.

3. The mechanical die with the guide post self-lubricating structure as set forth in claim 1, characterized in that the second sealing structure comprises an annular caulking groove (53) arranged on the inner peripheral wall of the retainer ring (5), a second sealing ring (8) is embedded in the annular caulking groove (53), the outer peripheral wall of the second sealing ring (8) is attached to the inner peripheral wall of the annular caulking groove (53), and the inner peripheral wall of the second sealing ring (8) is attached to the outer peripheral wall of the guide post (3).

4. The mechanical die with the guide post self-lubricating structure as claimed in claim 1, wherein the top of the sealing cover (6) is provided with an oil filling hole (62), a rubber plug (9) is embedded in the oil filling hole (62), and the upper end of the rubber plug (9) is provided with an annular convex edge (91) extending outwards.

5. The mechanical die with guide post self-lubricating structure according to claim 1, characterized in that the peripheral wall of the cover (6) is of regular hexagonal shape.