CN216372967U

CN216372967U - Reinforcing ring shielding external force combined die

Info

Publication number: CN216372967U
Application number: CN202122994026.0U
Authority: CN
Inventors: 郭娜
Original assignee: Shenzhen Lisheng Metal Screws Mould Co ltd
Current assignee: Shenzhen Lisheng Metal Screws Mould Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-04-26
Anticipated expiration: 2031-12-01

Abstract

The utility model discloses a reinforcing ring shielding external force combination die, belongs to the field of dies, and solves the problems that in the prior die sheet group technology, the traditional die sheet is easily damaged by external force to influence the generation of the die sheet group, and the concentricity between the die sheet and a die core is easily changed by the influence of the external force to cause errors and to cause the unqualified produced workpieces; this scheme includes the mould shell, be provided with the die group in the mould shell, the die group is by the die of three coaxial arrangements of group, be provided with the concentric mechanism that is used for making three group's dies keep arranging with one heart on the mould shell, through the cooperation of concentric mechanism and end cover, make three group's dies keep concentricity and convenient to detach and equipment, in process of production, the die receives the damage, only need to change the damaged die can, need not whole changes, and the manufacturing cost is practiced thrift, make mould shell and three group's dies visible as an organic whole through concentric mechanism, and the steadiness is greatly improved, the concentricity between mould shell and the die has been guaranteed.

Description

Reinforcing ring shielding external force combined die

Technical Field

The utility model belongs to the field of dies, and particularly relates to a reinforcing ring external force shielding combined die.

Background

The die set is a tool for making a blank into a finished piece with a specific shape and size under the action of external force, and is widely used for blanking, die forging, cold heading, extrusion, powder metallurgy piece pressing, pressure casting and the forming processing of compression molding or injection molding of products such as engineering plastics, rubber, ceramics and the like, the die set generally comprises a movable die and a fixed die which can be combined, the finished piece is taken out when the movable die and the fixed die are separated, the blank is injected into a die set cavity for forming when the movable die and the fixed die are combined, the die is a part of the die set and has important significance in the die set, the traditional die is loose in structure and is easily damaged by the influence of the external force in the processes of blanking, die forging, cold heading, extrusion and the like, so that the generation of the die set is influenced, the influence on the production efficiency is great, the concentricity between the die and the die core is changed, errors are caused, the produced products are unqualified, and the waste of cost resources is caused, therefore, the utility model provides a reinforcing ring external force shielding combined die.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems mentioned in the background art, the utility model provides a reinforcing ring external force shielding combined die.

The purpose of the utility model can be realized by the following technical scheme:

a reinforcing ring shielding external force combined die comprises a die shell, wherein a die group is arranged in the die shell and consists of three groups of dies which are coaxially arranged, the three groups of dies are respectively a die a, a die b and a die c, and a concentric mechanism for keeping the three groups of dies concentrically arranged is arranged on the die shell.

Furthermore, the formwork is of a cylindrical shell structure with openings at two ends, one end of the formwork is an opening a, the opening a is coaxially provided with a built-in step, the other end of the formwork is an opening b, the template a is coaxially sleeved in the formwork, one end of the template a is coplanar with the opening b, the other end of the template a is in contact with the built-in step, the template b and the template c are coaxially sleeved in the built-in step, one end of the template b is connected with the template a, the other end of the template b is connected with the template c, and the other end of the template c is coplanar with the opening a.

Furthermore, the outer circle surface of the formwork is provided with a mounting hole, the mounting hole is of a step-shaped hole structure, and the mounting hole consists of a mounting section a arranged on the formwork and a mounting section b arranged on a built-in step;

the concentric mechanism comprises concentric members arranged in the mounting holes, at least three groups of concentric members are arranged in an array along the circumferential direction of the formwork, and a plurality of groups of mounting holes are arranged corresponding to the concentric members.

Further, the concentric member comprises a fixing plate and a concentric pressure rod, and the fixing plate is fixedly arranged at the position of the mounting hole, away from the orifice of the die set;

the concentric pressure lever is positioned in the mounting hole, the surface of the concentric pressure lever, which is far away from the fixing plate, is of an arc surface structure coaxially arranged with the die sheet group, the concentric pressure lever is divided into two sections, namely a limiting section a positioned in the mounting section a and a limiting section b positioned in the mounting section b, the arc surface of the limiting section a is attached to the outer circular surface of the die sheet a, and the arc surface of the limiting section b is attached to the die sheet b and the outer circular surface of the die sheet c;

the concentric pressure lever is connected with the fixed plate in a guiding way through a guiding connecting piece.

Furthermore, the guide connecting piece comprises a guide sleeve and a guide rod, the guide sleeve is vertically arranged on the surface of the fixed plate facing the concentric pressure rod, the guide rod is vertically arranged on the surface of the concentric pressure rod facing the fixed plate, the free end of the guide rod is coaxially and slidably positioned in the guide sleeve, and a spring with one end connected with the concentric pressure rod and the other end connected with the fixed plate is sleeved outside the guide connecting piece.

Furthermore, end covers in a ring shape are coaxially arranged at two opening ends of the formwork, a limiting baffle is arranged on the end face, away from the formwork, of each end cover, the limiting baffle is arranged in an inclined mode, and the distance between each limiting baffle and each end cover is gradually reduced along the radial direction of each end cover and from the inner ring of each end cover to the outer ring of each end cover;

the two ends of the concentric pressure rod are respectively extended with a convex block, when the end cover is arranged at the end part of the formwork, the convex blocks are contacted with the limiting baffle, and the end cover and the formwork are respectively provided with an avoiding opening for avoiding the convex blocks.

Furthermore, the end cover and the surface attached to the formwork are coaxially provided with a friction ring in a ring shape.

Compared with the prior art, the utility model has the beneficial effects that:

according to the scheme, the concentricity mechanism is matched with the end cover, so that the three groups of the matrixes are kept concentric and are convenient to disassemble and assemble, the matrixes are damaged in the production process, only the damaged matrixes need to be replaced, and the whole matrixes do not need to be replaced, so that the production cost is saved;

the mould shell and the three groups of mould sheets can be seen as a whole through the concentric mechanism, the stability is greatly improved, and the concentricity between the mould shell and the mould sheets is ensured.

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 of 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 structural view of the present invention;

FIG. 2 is a cross-sectional view of a set of modules of the present invention;

FIG. 3 is a schematic structural view of the end cap of the present invention;

FIG. 4 is a side view of the end cap of the present invention;

FIG. 5 is a schematic view of the combination of the formwork and the concentric mechanism of the present invention;

FIG. 6 is a cross-sectional view of a formwork of the present invention;

FIG. 7 is a schematic view of the structure of the concentric member of the present invention.

Reference numerals:

10. a formwork; 11. an end cap; 12. a friction ring; 13. mounting holes; 20. a module group; 21. a template a; 22. a template b; 23. a template c; 30. a concentric mechanism; 31. a limit baffle; 32. a fixing plate; 33. a concentric compression bar; 34. a guide connection member; 35. a spring; 36. and (4) a bump.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, a reinforcing ring external force shielding combined die includes a die shell 10, a die set 20 is arranged in the die shell 10, and the die set 20 is composed of three sets of coaxially arranged dies: die a21, die b22, and die c 23.

The mold shell 10 is a cylindrical shell structure with openings at two ends, one end of the mold shell 10 is an opening a, the opening a is coaxially provided with a built-in step, the other end of the mold shell 10 is an opening b, the mold sheet a21 is coaxially sleeved in the mold shell 10, one end of the mold sheet a21 is coplanar with the opening b, the other end of the mold sheet a21 is in contact with the built-in step, the mold sheet b22 and the mold sheet c23 are coaxially sleeved in the built-in step, one end of the mold sheet b22 is connected with the mold sheet a21, the other end of the mold sheet b 3883 is connected with the mold sheet c23, and the other end of the mold sheet c23 is coplanar with the opening a.

The mold shell 10 is provided with a concentric mechanism 30 for maintaining the three sets of mold sheets in a concentric arrangement.

As shown in fig. 5-6, the outer circumferential surface of the formwork 10 is provided with a mounting hole 13, the mounting hole 13 is a step-shaped hole structure, and the mounting hole 13 is composed of a mounting section a arranged on the formwork 10 and a mounting section b arranged on a built-in step.

The concentric mechanism 30 includes concentric members disposed in the mounting holes 13, at least three groups of the concentric members are disposed in an array along a circumferential direction of the formwork 10, and a plurality of groups of the mounting holes 13 are disposed corresponding to the concentric members.

As shown in fig. 5 and 7, the concentric member includes a fixing plate 32 and a concentric pressing rod 33, wherein the fixing plate 32 is fixedly disposed at an opening of the mounting hole 13 away from the module group 20.

The concentric pressure lever 33 is positioned in the mounting hole 13, and the surface of the concentric pressure lever 33 departing from the fixing plate 32 is an arc surface structure coaxially arranged with the die group 20, and the concentric pressure lever 33 is divided into two sections: the limiting section a is positioned in the mounting section a, and the limiting section b is positioned in the mounting section b, wherein the cambered surface of the limiting section a is attached to the outer circular surface of the die a21, and the cambered surface of the limiting section b is attached to the outer circular surfaces of the die b22 and the die c 23.

The concentric pressure bar 33 is connected with the fixed plate 32 in a guiding manner through a guiding connecting piece 34, specifically, the guiding connecting piece 34 comprises a guiding sleeve and a guiding rod, the guiding sleeve is vertically arranged on the surface of the fixed plate 32 facing the concentric pressure bar 33, the guiding rod is vertically arranged on the surface of the concentric pressure bar 33 facing the fixed plate 32, the free end of the guiding rod is coaxially and slidably located in the guiding sleeve, and a spring 35 with one end connected with the concentric pressure bar 33 and the other end connected with the fixed plate 32 is sleeved outside the guiding connecting piece 34.

As shown in fig. 3 and 7, two opening ends of the mold shell 10 are coaxially provided with end covers 11 in a circular ring shape, and an end surface of the end cover 11 departing from the mold shell 10 is provided with a limit baffle 31.

The limiting baffle 31 is obliquely arranged, and the distance between the limiting baffle 31 and the end cover 11 decreases progressively along the radial direction of the end cover 11 and the direction from the inner ring of the end cover 11 to the outer ring.

The two ends of the concentric compression bar 33 are extended with bumps 36, and when the end cover 11 is installed at the end of the formwork 10, the bumps 36 contact with the limiting baffle 31, and the end cover 11 and the formwork 10 are both provided with avoiding openings for avoiding the bumps 36.

The working principle of the utility model is as follows:

firstly, the mold sheet a21, the mold sheet b22 and the mold sheet c23 are coaxially installed in the mold shell 10 in sequence, then, the end cover 11 is installed at the opening of the mold shell 10, in the installation process of the end cover 11, the bump 36 can be contacted with the limit baffle 31, the inclined surface of the limit baffle 31 can drive the bump 36 and the concentric pressure rod 33 to move close to the axial core line of the mold shell 10 along with the continuous installation of the end cover 11 close to the mold shell 10, the distance of the circle is determined according to three points, the three groups of mold sheets are concentrically arranged through at least three groups of concentric components, namely, the mold shell 10 and the three groups of mold sheets can be viewed as a whole, and the three groups of mold sheets forming the mold sheet group are ensured to be still concentric under the influence of external force.

In the preferred embodiment, the friction rings 12 in the shape of circular rings are coaxially arranged on the surfaces of the end covers 11, which are attached to the formwork 10, and the significance is that the two ends of the die set 20 are located between the two sets of friction rings 12, the three sets of dies in the die set 20 are axially pressed by the friction rings 12, so that the three sets of dies are more attached to each other, and in addition, the influence of external force on the concentricity of the three sets of dies is overcome by the friction force between the friction rings 12 and the die set 20.

In the embodiments provided by the present invention, it should be understood that the disclosed apparatus, device and method can be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules is only one logical functional division, and there may be other divisions when the actual implementation is performed; the modules described as separate parts may or may not be physically separate, and parts displayed as modules may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the method of the embodiment.

It will also be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.

The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims shall not be construed as limiting the claim concerned.

Furthermore, it is obvious that the word "comprising" does not exclude other elements or steps, and the singular does not exclude the plural. A plurality of units or means recited in the system claims may also be implemented by one unit or means in software or hardware. The terms second, etc. are used to denote self-contained vehicular sound collection devices and do not denote any particular order.

Finally, it should be noted that the above examples are only intended to illustrate the technical process of the present invention and not to limit the same, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical process of the present invention without departing from the spirit and scope of the technical process of the present invention.

Claims

1. The utility model provides a reinforcing ring shielding external force combination die, includes mould shell (10), is provided with die group (20) in mould shell (10), its characterized in that, die group (20) comprise three sets of coaxial arrangement's diaphragm, and three sets of diaphragms are diaphragm a (21), diaphragm b (22), diaphragm c (23) respectively, are provided with on mould shell (10) to be used for making three sets of diaphragms keep concentric mechanism (30) of arranging.

2. The reinforcing ring external force shielding combination die as claimed in claim 1, wherein the die shell (10) is a cylindrical shell structure with two open ends, one end of the die shell (10) is an opening a, the opening a is coaxially provided with a built-in step, the other end of the die shell is an opening b, the die sheet a (21) is coaxially sleeved in the die shell (10), one end of the die sheet a (21) is coplanar with the opening b, the other end of the die sheet a (21) is in contact with the built-in step, the die sheet b (22) and the die sheet c (23) are coaxially sleeved in the built-in step, one end of the die sheet b (22) is connected with the die sheet a (21), the other end of the die sheet b (23) is connected with the die sheet c (23), and the other end of the die sheet c (23) is coplanar with the opening a.

3. The reinforcing ring external force shielding combination die as claimed in claim 2, wherein the outer circumferential surface of the die shell (10) is provided with a mounting hole (13), the mounting hole (13) is of a step-shaped hole structure, and the mounting hole (13) is composed of a mounting section a arranged on the die shell (10) and a mounting section b arranged on a built-in step;

the concentric mechanism (30) comprises concentric members arranged in the mounting holes (13), at least three groups of concentric members are arranged in an array along the circumferential direction of the formwork (10), and a plurality of groups of mounting holes (13) are arranged corresponding to the concentric members.

4. A reinforcing ring external shielding combination die as claimed in claim 3, wherein the concentric members comprise a fixing plate (32) and a concentric pressure rod (33), the fixing plate (32) is fixedly arranged at the hole of the mounting hole (13) which is far away from the die set (20);

the concentric pressure lever (33) is positioned in the mounting hole (13), the surface of the concentric pressure lever (33) departing from the fixing plate (32) is of an arc surface structure which is coaxially arranged with the die set (20), the concentric pressure lever (33) is divided into two sections which are respectively a limiting section a positioned in the mounting section a and a limiting section b positioned in the mounting section b, the arc surface of the limiting section a is attached to the outer circular surface of the die sheet a (21), and the arc surface of the limiting section b is attached to the outer circular surfaces of the die sheet b (22) and the die sheet c (23);

the concentric pressure lever (33) is connected with the fixed plate (32) in a guiding way through a guiding connecting piece (34).

5. A reinforcing ring external force shielding combination die as claimed in claim 4, wherein the guide connecting piece (34) comprises a guide sleeve and a guide rod, the guide sleeve is vertically arranged on the surface of the fixing plate (32) facing the concentric pressing rod (33), the guide rod is vertically arranged on the surface of the concentric pressing rod (33) facing the fixing plate (32), the free end of the guide rod is coaxially and slidably positioned in the guide sleeve, and a spring (35) with one end connected with the concentric pressing rod (33) and the other end connected with the fixing plate (32) is sleeved outside the guide connecting piece (34).

6. A reinforcing ring external force shielding combination die as claimed in claim 4 or 5, wherein the two open ends of the die shell (10) are coaxially provided with annular end covers (11), the end surfaces of the end covers (11) departing from the die shell (10) are provided with limit baffles (31), the limit baffles (31) are obliquely arranged, and the distance between the limit baffles (31) and the end covers (11) decreases gradually along the radial direction of the end covers (11) and from the inner rings of the end covers (11) to the outer rings;

the two ends of the concentric pressure lever (33) are respectively extended with a convex block (36), when the end cover (11) is arranged at the end part of the formwork (10), the convex blocks (36) are contacted with the limit baffle (31), and the end cover (11) and the formwork (10) are respectively provided with an avoiding opening for avoiding the convex blocks (36).

7. A reinforcing ring external force shielding combined die as claimed in claim 6, wherein the friction ring (12) in a circular ring shape is coaxially arranged on the surface of the end cover (11) attached to the die shell (10).