CN214867157U

CN214867157U - Core quick replacement mechanism of mould

Info

Publication number: CN214867157U
Application number: CN202122269477.8U
Authority: CN
Inventors: 林奇
Original assignee: Ningbo Shengwei Mould Manufacturing Co ltd
Current assignee: Ningbo Shengwei Mould Manufacturing Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2021-11-26
Anticipated expiration: 2031-09-18

Abstract

The utility model discloses a core quick replacement mechanism of mould, include: the bevel gear shaft is arranged in the die, and the tail end of the bevel gear shaft extends to the outer side of the die; the driving bevel gear is meshed with a bevel gear head at the front end of a bevel gear shaft and is driven by the bevel gear shaft to rotate, and a threaded hole is formed in the center of the driving bevel gear; and one end of the mold core is a threaded part, the other end of the mold core is a mold core forming part inserted into the mold cavity, and the threaded part is inserted into a threaded hole of the driving bevel gear to be matched. The utility model provides a current mould core change time long, dismouting mould work load is big, can produce the problem of production goods loss.

Description

Core quick replacement mechanism of mould

Technical Field

The utility model relates to a mould field specifically is a core quick replacement mechanism of mould.

Background

The die casting mold is various in types and different in structure, for example, a mold for producing aluminum steel tube radiating fins has different requirements on the structure of a core on the mold due to different types of produced products, and when the same pair of molds are used for producing products with different structures, the production can be realized only by replacing the core.

However, when the conventional mold needs to be completely cooled when the core is replaced, the whole set of mold is disassembled to replace the core, and then the mold is assembled on a die casting machine for production. Thus, there are the following disadvantages: 1. the work efficiency is influenced by long time for waiting for the complete cooling of the die; 2. the whole die is disassembled with large workload, and the disassembling efficiency is low; 3. and the fully cooled die is put on a die casting machine again to work, and the loss of the products produced in the early stage is large because the die is already cold. There is a need for a structure that can accommodate rapid replacement of mold cores without disassembling the entire mold to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a core quick replacement mechanism of mould has solved the problem of long, the dismouting mould work load of current mould core change time, production goods loss.

In order to achieve the above object, the utility model provides a following technical scheme: a core quick change mechanism for a mold comprising:

the bevel gear shaft is arranged in the die, and the tail end of the bevel gear shaft extends to the outer side of the die;

the driving bevel gear is meshed with a bevel gear head at the front end of a bevel gear shaft and is driven by the bevel gear shaft to rotate, and a threaded hole is formed in the center of the driving bevel gear;

and one end of the mold core is a threaded part, the other end of the mold core is a mold core forming part inserted into the mold cavity, and the threaded part is inserted into a threaded hole of the driving bevel gear to be matched.

And the fixing column is arranged in the die and is arranged along the axial direction of the driving bevel gear, and one end of the fixing column is abutted against the driving bevel gear.

Preferably, the bevel gear shaft and the fixing column are both located in a mold frame of the mold, and a first fixing plate for limiting the bevel gear shaft and a second fixing plate for limiting the fixing column are embedded in the side wall of the mold frame.

Preferably, the bevel gear shaft and the fixing column are both positioned in a die frame of the die, the driving bevel gear is installed in a die core on one side of the die frame, and one end of the driving bevel gear extends into the die frame to be meshed with the bevel gear shaft.

Preferably, the core is located in an insert on the core.

Preferably, a first bearing and a second bearing are respectively mounted at two axial ends of the driving bevel gear, wherein the first bearing is abutted against the end part of the fixed column.

Preferably, the outer side of the middle part of the mold core is provided with an anti-rotation limiting step.

Preferably, at least two circles of guide bosses are arranged on the bevel gear shaft along the axial direction of the bevel gear shaft.

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

simple structure can install in current mould, utilizes bevel gear transmission's principle, has realized the drive to driving bevel gear, and driving bevel gear's rotation realizes that the core is dismantled and the installation, and easy operation need not to unpack apart whole mould, need not to wait for the mould to cool off completely, has solved that current mould core change time is long, dismouting mould work load is big, can produce the problem of production goods loss.

Drawings

FIG. 1 is a schematic cross-sectional view of an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of another embodiment of the present invention;

FIG. 3 is a schematic view of the transmission relationship of the present invention;

fig. 4 is a schematic structural diagram of the core of the present invention.

Reference numerals:

1. the mold comprises a mold frame, 11, a second bearing, 2, a mold core, 3, a bevel gear shaft, 31, a guide boss, 32, a bevel gear head, 4, a first fixing plate, 5, a second fixing plate, 6, a fixing column, 7, a driving bevel gear, 71, a threaded hole, 8, a mold core, 81, a threaded portion, 82, a mold core forming portion, 83, an anti-rotation limiting step, 9, an insert, 10 and a first bearing.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-4, the present invention provides a solution to achieve the above object, which comprises: a core quick replacement mechanism of a mould comprises a bevel gear shaft 3, wherein the bevel gear shaft 3 is arranged in the mould, the tail end of the bevel gear shaft 3 extends to the outer side of the mould, the bevel gear shaft 3 is transversely arranged in the mould, a pore channel matched with the outer diameter of the bevel gear shaft 3 can be formed in the mould, the bevel gear shaft 3 is arranged in the pore channel, a bevel gear head 32 is arranged at the front end of the bevel gear shaft 3, the tail end of the bevel gear shaft extends out of the mould, a tool can be used for rotating the bevel gear shaft 3 through the tail end of the bevel gear shaft 3 during operation, at least two circles of guide bosses 31 are arranged on the bevel gear shaft 3 along the axial direction of the bevel gear shaft 3, and the guide bosses 31 can guide the rotation of the bevel gear shaft 3;

the bevel gear mechanism is characterized by further comprising a driving bevel gear 7, wherein the driving bevel gear 7 is meshed with a bevel gear head 32 at the front end of the bevel gear shaft 3, so that the axis of the driving bevel gear 7 is perpendicular to the axial direction of the bevel gear shaft 3, the bevel gear shaft 3 is transversely arranged, the driving bevel gear 7 is vertically arranged, the driving bevel gear 7 is driven by the bevel gear shaft 3 to rotate, and a threaded hole 71 is formed in the center of the driving bevel gear 7;

the mold core comprises a mold core 8, one end of the mold core 8 is a thread part 81, the other end of the mold core 8 is a mold core forming part 82 inserted into a mold cavity, the mold core forming part 82 is vertically arranged and used for forming a product in the mold cavity, the thread part 81 is inserted into a thread hole 71 of a driving bevel gear 7 to be matched, the mold core 8 can be lifted through the rotation of the driving bevel gear 7, and when the thread part 81 of the mold core 8 is separated from the thread hole 71, the mold core 8 is detached.

In this embodiment, as shown in fig. 1-2, the scheme of the present application further includes a fixing column 6, where the fixing column 6 is installed in the mold and arranged along the axial direction of the driving bevel gear 7, and one end of the fixing column 6 abuts against the driving bevel gear 7, the fixing column 6 is used for axially limiting the driving bevel gear 7, the driving bevel gear 7 can only rotate but cannot axially move, so as to ensure the stability of transmission, and the fixing column 6 can also be detached from the mold, so that the driving bevel gear 7 can also be detached after the fixing column 6 is detached, and this structure facilitates the detachment and installation of the driving bevel gear 7.

In this embodiment, as shown in fig. 1-2, the bevel gear shaft 3 and the fixing post 6 are both located in a mold frame 1 of the mold, a first fixing plate 4 for limiting the bevel gear shaft 3 and a second fixing plate 5 for limiting the fixing post 6 are embedded in a side wall of the mold frame 1, the mold frame 1 has a relatively large volume, so as to facilitate installation of the bevel gear shaft 3 and the fixing post 6, the first fixing plate 4 and the second fixing plate 5 are both detachable structures, the bevel gear shaft 3 and the fixing post 6 can be detached after detachment, and the bevel gear shaft 3 and the fixing post 6 can be limited after installation, specifically, a guide hole can be opened in the first fixing plate 4, the tail end of the bevel gear shaft 3 passes through the guide hole, so that guiding and limiting of the bevel gear shaft 3 can be achieved, and a limiting groove can be formed in an inner side surface of the second fixing plate 5, one end of the fixing column 6 is embedded into the limiting groove, so that the fixing column 6 is limited conveniently.

As a supplement to the above embodiment, the bevel gear shaft 3 and the fixing column 6 are both located in the mold frame 1 of the mold, the driving bevel gear 7 is installed in the mold core 2 on one side of the mold frame 1, and one end of the driving bevel gear 7 extends into the mold frame 1 to be meshed with the bevel gear shaft 3, so that the structure is more convenient for dismounting the driving bevel gear 7, and is also more convenient for installing and connecting the driving bevel gear 7 and the mold core 8.

In practical application, the core 9 is often installed on the mold core 2, the core 8 is located in the core 9 on the mold core 2, the core 8 can be used as a part of the core 9, meanwhile, as shown in fig. 1-2, a forming groove is formed in the core 9, the core 8 is located in the forming groove, and after the core 8 is fixed, not only the product forming function but also the fixing function of the core 9 can be achieved.

In the present embodiment, as shown in fig. 2, in order to make the rotation of the driving bevel gear 7 smoother, a first bearing 10 and a second bearing 11 are respectively installed at two axial ends of the driving bevel gear 7, wherein the first bearing 10 abuts against an end of the fixed column 6, the first bearing 10 and the second bearing 11 can strongly support the rotation of the driving bevel gear 7, and the first bearing 10 and the second bearing 11 mainly bear axial force, preferably a thrust ball bearing.

In this embodiment, the middle part outside of core 8 be provided with and prevent changeing spacing step 83, prevent changeing spacing step 83 not only can carry out one-way axial spacing to core 8, can also prevent that core 8 from rotating, specifically prevent changeing the both sides of spacing step 83 and can set up the tangent plane, with the inside structure laminating of mould, just can prevent that core 8 from rotating.

The technical scheme of this application simple structure can install in current mould, utilizes bevel gear transmission's principle, has realized the drive to driving bevel gear, and the rotation of driving bevel gear realizes that the core is dismantled and the installation, and easy operation need not to unpack apart whole mould, need not to wait for the mould to cool off completely, has solved that current mould core change time is long, dismouting mould work load is big, can produce the problem of production goods loss.

It should be noted that all directional indicators (such as up, down, left, right, front, and back) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to 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 the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless expressly specified otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

Claims

1. A core quick change mechanism for a mold, comprising:

the bevel gear shaft (3) is arranged in the die, and the tail end of the bevel gear shaft (3) extends to the outer side of the die;

the driving bevel gear (7) is meshed with a bevel gear head (32) at the front end of the bevel gear shaft (3) and is driven by the bevel gear shaft (3) to rotate, and a threaded hole (71) is formed in the center of the driving bevel gear (7);

the mold core (8) is provided with a threaded part (81) at one end and a mold core forming part (82) inserted into the mold cavity at the other end, and the threaded part (81) is inserted into a threaded hole (71) of the driving bevel gear (7) to be matched with the threaded part;

and the fixing column (6) is installed in the die and is arranged along the axial direction of the driving bevel gear (7), and one end of the fixing column (6) is abutted against the driving bevel gear (7).

2. The core quick change mechanism for a mold according to claim 1, wherein: bevel gear axle (3) and fixed column (6) all be located die frame (1) of mould, the lateral wall of die frame (1) on the embedding install carry out spacing first fixed plate (4) to bevel gear axle (3) to carry out spacing second fixed plate (5) to fixed column (6).

3. The core quick change mechanism for a mold according to claim 1, wherein: the bevel gear shaft (3) and the fixing column (6) are both positioned in a die frame (1) of the die, the driving bevel gear (7) is installed in a die core (2) on one side of the die frame (1), and one end of the driving bevel gear (7) extends into the die frame (1) to be meshed with the bevel gear shaft (3).

4. The core quick change mechanism for a mold according to claim 3, wherein: the core (8) is positioned in an insert (9) on the core (2).

5. The core quick change mechanism for a mold according to claim 1, wherein: and a first bearing (10) and a second bearing (11) are respectively installed at two axial ends of the driving bevel gear (7), wherein the first bearing (10) is abutted to the end part of the fixing column (6).

6. The core quick change mechanism for a mold according to claim 1, wherein: and an anti-rotation limiting step (83) is arranged on the outer side of the middle part of the mold core (8).

7. The core quick change mechanism for a mold according to claim 1, wherein: at least two circles of guide bosses (31) are arranged on the bevel gear shaft (3) along the axial direction of the bevel gear shaft.