CN214441940U - Heat pipe extrusion die mold core prevents changeing assembly structure and mold core assembly - Google Patents

Abstract

The utility model provides a heat pipe extrusion die mold core prevents changeing assembly structure and mold core assembly relates to the mold core and prevents changeing technical field, heat pipe extrusion die mold core prevents changeing assembly structure and includes boss and the spacing subassembly of boss, and the boss is suitable for to set up on the mold core, and the spacing subassembly of boss is suitable for the dismantlement formula to set up on the mold core, be equipped with the spacing groove with boss looks adaptation on the spacing subassembly of boss, and the boss inserts the spacing groove, and the boss is suitable for with the spacing subassembly of the relative boss of restriction mold core with the spacing groove and rotates, and the periphery wall of the spacing subassembly of boss is suitable for to rotate with the relative mould of the spacing subassembly of restriction boss with the mould butt. The utility model discloses a heat pipe extrusion die mold core prevents changeing assembly structure, the mold core passes through the boss and can dismantle with the spacing subassembly of boss and be connected, can realize that the axial of mold core is spacing and prevent rotating, when the mold core dress inserts extrusion die moreover, and it is little, compact structure to occupy the mould space.

Description

Heat pipe extrusion die mold core prevents changeing assembly structure and mold core assembly

Technical Field

The utility model relates to a mold core prevents changeing technical field particularly, relates to a heat pipe extrusion die mold core prevents changeing assembly structure and mold core assembly.

Background

In the existing shunting extrusion die of the miniature heat pipe, a boss limiting component and a die core part (a cavity and a groove for forming the heat pipe) are integrally formed at two ends of a die core, and the die core realizes rotation prevention through the boss limiting component at the tail end of the die core. As shown in fig. 2, the cross-sectional dimension of the boss limiter assembly > the cross-sectional dimension of the core portion > the cross-sectional dimension of the core, when assembled, the core can only be assembled in the assembly direction as indicated by the arrow: the mold core part at the front end of the mold core is inserted into the rear mold through the front mold, and the boss limiting structure at the tail end of the mold core can realize axial limiting and rotation prevention of the mold core. However, the anti-rotation structure of the mold core is not compact in design, and the assembly requires that the mounting hole of the mold core on the mold is larger than or equal to the maximum external dimension of the core part at the head part of the mold core. When the size of the head of the mold core is large, the mold core mounting holes on the mold are too large, too much space of the mold is occupied, the strength design of the mold is not facilitated, when a plurality of mold cores are mounted on the extrusion mold, and the distance between the adjacent mold cores is small, thin-wall features can be formed among the mold core mounting holes, and the deformation and the damage of the mold are easy to occur.

SUMMERY OF THE UTILITY MODEL

The utility model discloses it is big to aim at solving current mold core and occupying the mould space, and the structure is not compact, the technical problem of fragile mould.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a heat pipe extrusion die mold core prevents changeing assembly structure, includes boss and the spacing subassembly of boss, the boss is suitable for to set up on the mold core, the spacing subassembly of boss be suitable for the dismantlement formula set up in on the mold core, be equipped with on the spacing subassembly of boss with the spacing groove of boss looks adaptation, the boss inserts the spacing groove, just the boss with spacing groove adaptation is in order to restrict the mold core is relative the spacing subassembly of boss rotates, the periphery wall of the spacing subassembly of boss is suitable for with the restriction of mould butt the spacing subassembly of boss is relative the mould rotates.

Heat pipe extrusion die mold core prevent changeing assembly structure, the mold core realizes preventing changeing of the spacing subassembly of the relative boss of mold core through the spacing groove adaptation on boss and the spacing subassembly of boss on it, and the periphery and the restriction of mould butt of the spacing subassembly of boss is relative the mould rotates, and then can reach the relative mould of mold core and prevent changeing. The spacing subassembly of boss is installed on the mold core detachablely, and spacing subassembly of boss, mold core detachable assemble to extrusion die in: and the section size of the core part at the head part of the mold core is larger than that of the mold core, when the mold core is assembled on the mold, the mold core is inserted into the front mold from the rear mold, then the boss limiting component is arranged at the corresponding position on the mold, and the size of a mold core mounting hole on the mold is larger than or equal to that of the mold core. Compare in the anti-rotating structure of current mold core and the design of the spacing subassembly integral type of boss, the mold core mounting hole must the size of more than or equal to mold core front end mold core part on the mould, the mold core adopts the utility model discloses an anti-rotating structure can show the occupation space who reduces the mold core to the mould when preventing changeing, compact structure easily assembles.

Optionally, the boss limiting component is a symmetrical structure, and the axis of the limiting groove is collinear with the axis of the mold core.

Optionally, the boss limiting component comprises two half-closed bosses which are opened in opposite directions, each half-closed boss is provided with a clamping groove, and the two clamping grooves form the limiting groove.

Optionally, the boss is of a stepped boss structure, the boss includes a first boss and a second boss which are sequentially connected, the first boss is connected with the mold core, and the second boss is connected with the first boss;

the spacing groove is including the first spacing groove and the second spacing groove that connect gradually, first boss is suitable for to insert first spacing groove just first boss with the shape adaptation of first spacing groove, the second boss is suitable for to insert the second spacing groove just the second boss with the shape adaptation of second spacing groove.

Optionally, the first boss and/or the second boss are polygonal or oblong in cross-section.

Optionally, the cross-sectional dimensions of the first boss and the second boss are less than or equal to the cross-sectional dimensions of the mold core.

Optionally, the outer periphery of the cross section of the boss limiting assembly is oblong, and the outer peripheral wall of the boss limiting assembly is suitable for being abutted with a front die to prevent the boss limiting assembly from rotating.

Optionally, the cross section of the mold core is polygonal or oblong.

Another object of the utility model is to provide a mold core assembly, including at least two heat pipe extrusion die mold core prevent changeing assembly structure and two at least mold cores, each heat pipe extrusion die mold core prevents changeing the spacing subassembly of boss of assembly structure and connects gradually, every heat pipe extrusion die mold core prevents changeing assembly structure's boss and one the mold core is connected, be equipped with the spacing groove on the spacing subassembly of boss, the boss with correspond the spacing groove adaptation is equipped with the restriction the mold core is relative the spacing subassembly of boss rotates.

Optionally, each boss limiting component is integrally formed, and each limiting groove is arranged at intervals along the length direction of the boss limiting component.

Drawings

FIG. 1 is a schematic structural view of a conventional anti-rotation assembly structure for a mold core of a heat pipe extrusion mold in use;

FIG. 2 is a schematic view of the structure in the direction A-A in FIG. 1;

fig. 3 is an exploded perspective view of the core assembly according to the embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of an extruded profile of a micro heat pipe according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of a mold core assembly according to an embodiment of the present invention in use;

fig. 6 is a schematic view of the structure in the direction B-B in fig. 5.

Description of reference numerals:

1-a mold core; 2-boss limit component; 21-half-closed boss; 22-a limiting groove; 221-a first limiting groove; 222-a second restraint slot; 3-boss; 31-a first boss; 32-a second boss; 4-a core portion; 5-front mould; 6-back mould; 7-extruding the section by using the miniature heat pipe.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

In the description of the present invention, it should be noted that terms such as "upper", "lower", "front", "rear", and the like in the embodiments indicate terms of orientation, and are only used for simplifying the description of positional relationships based on the drawings of the specification, and do not represent that the elements, devices, and the like indicated in the description must be operated according to specific orientations and defined operations and methods, configurations, and such terms of orientation do not constitute limitations of the present invention.

In addition, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "coupled" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Herein, a coordinate system XYZ is provided, wherein a forward direction of the X-axis represents a right direction, a backward direction of the X-axis represents a left direction, a forward direction of the Y-axis represents a front direction, a backward direction of the Y-axis represents a rear direction, a forward direction of the Z-axis represents an upper direction, and a backward direction of the Z-axis represents a lower direction.

As shown in figure 3, the utility model discloses a heat pipe extrusion die mold core prevents changeing assembly structure, including boss 3 and the spacing subassembly 2 of boss, boss 3 is suitable for to set up on mold core 1, the spacing subassembly 2 of boss be suitable for the dismantlement formula set up in on the mold core 1, be equipped with on the spacing subassembly 2 of boss with the spacing groove 22 of 3 looks adaptations of boss, boss 3 inserts spacing groove 22, just boss 3 with spacing groove 22 adaptations are with the restriction the mold core 1 is relative the spacing subassembly 2 of boss rotates, the periphery wall of the spacing subassembly 2 of boss is suitable for with the restriction of mould butt the spacing subassembly 2 of boss is relative the mould rotates.

The existing mold core 1 and the boss limiting component 2 are designed in an integrated mode, in order to guarantee that the mold core can be smoothly installed in an extrusion mold, the minimum cross section size of a mold installation hole is certainly the maximum size of a mold core part 4 at the front end of the mold core, the front end of the mold core 1 is inserted into a rear mold 6 along a front mold 5, the front end of the mold core 1 is pushed until the mold core is assembled in place, the boss limiting component 2 at the tail end of the mold core 1 is clamped in the front mold 5 as shown in figures 1-2 (the direction shown by an arrow in figure 2 is the direction in which the existing mold core 1 is inserted into the front mold 5), when the distance between two adjacent mold cores 1 is small, a thin-wall characteristic is easily generated between the two mold cores 1 on the front mold 5, and the mold strength is low.

In this embodiment, the one end of mold core 1 is equipped with boss 3, mold core 1 passes through boss 3 with the detachable installation of the spacing subassembly 2 of boss, specifically, boss 3 inserts in spacing groove 22 on the spacing subassembly 2 of boss, through boss 3 with spacing groove 22's cooperation installation is in order to realize mold core 1 is relative the spacing subassembly 2 of boss prevents changeing, and the spacing subassembly 2 of boss is relative the mould prevents changeing, also realizes that mold core 1 is relative the spacing subassembly 2 of boss prevents changeing.

The other end of the mold core 1 is provided with a core part 4, the core part 4 is used for forming an inner cavity of a micro heat pipe extrusion profile 7 (as shown in fig. 4), the shape and the size of the core part 4 can be flexibly designed according to the forming requirement of the micro heat pipe extrusion profile 7, and generally, the length of the core part 4 does not exceed the length of the mold core 1.

When will the mold core is packed into extrusion die, generally will be earlier with 1 tail end of mold core from the 6 front forms 5 of inserting of back mould, promote 1 tail end of mold core until it can't continue to slide the back, the tail end of mold core 1 falls into in the corresponding pit of front forms 5, will again the spacing subassembly 2 of boss clamps into in the pit, as shown in fig. 5-6 (the shown direction of arrow mark in fig. 6 is promptly the utility model discloses the direction that the mold core 1 of embodiment inserted front forms 5), the interval between two mold cores 1 is great on the front forms 5, can guarantee the support intensity of mould, prolongs the life of mould.

The tail end of the mold core 1 is provided with a boss 3, and the boss 3 and/or the mold core 1 have directionality.

When the mold core 1 has directionality (for example, the cross section of the mold core 1 is oblong or polygonal), and the boss 3 has no directionality (for example, cylindrical), the mold core 1 does not rotate relative to the mold, and the boss limiting component 2 having directionality does not rotate relative to the mold, so that the rotation of the whole mold core relative to the mold is realized;

when the mold core 1 has no directionality and the boss 3 has directionality, the boss 3 does not rotate relative to the boss limiting component 2, that is, the mold core 1 does not rotate relative to the boss limiting component 2, and the boss limiting component 2 having directionality does not rotate relative to the mold, so that the whole mold core does not rotate relative to the mold;

when the mold core 1 has the directionality when the boss 3 also has the directionality, the mold core 1 is relative the mould does not rotate, the boss 3 is relative the spacing subassembly 2 of boss does not rotate, the spacing subassembly 2 of boss that has the directionality is relative the mould does not rotate, realizes that whole mold core is relative the preventing of mould is changeed.

Optionally, the boss limiting component 2 includes two half-closed bosses 21 which are opened in opposite directions, each half-closed boss 21 is provided with a clamping groove, and the two clamping grooves form the limiting groove 22.

In this embodiment, in order to facilitate the disassembly and assembly of the boss limiting assembly 2, the boss limiting assembly 2 is designed in a manner that two half-closed bosses 21 are opened in half; and due to the economical efficiency and feasibility of processing and the requirement of assembling fool-proof design, the boss limiting component 2 is generally designed into a symmetrical shape, the axis of the limiting groove 22 is collinear with the axis of the mold core 1, the structures of the two half-combined bosses 21 are ensured to be the same, and the processing process cost is reduced.

Optionally, the boss 3 is of a stepped boss structure, the boss 3 includes a first boss 31 and a second boss 32 connected in sequence, the first boss 31 is connected with the mold core 1, and the second boss 32 is connected with the first boss 31;

the limiting groove 22 comprises a first limiting groove 221 and a second limiting groove 222 which are connected in sequence, the first boss 31 is suitable for being inserted into the first limiting groove 221, the first boss 31 is matched with the first limiting groove 221 in shape, and the second boss 32 is suitable for being inserted into the second limiting groove 222, and the second boss 32 is matched with the second limiting groove 222 in shape.

In this embodiment, the boss 3 may include a first boss 31, a second boss 32 and more than one, wherein at least one of the first boss and the second boss is directional, and the directional structure in this embodiment generally means a non-cylindrical structure; for example, the mold comprises a first boss 31 and a second boss 32 which are connected in sequence, the first boss 31 has directionality, the first boss 31 with directionality can limit the boss 3 to rotate relative to the first limiting groove 221 of the boss limiting component 2, that is, the rotation of the mold core 1 relative to the boss limiting component 2 is realized, and then the boss limiting component 2 has directionality and can rotate relative to the mold, so that the purpose that the whole mold core rotates relative to the mold is achieved. When the second boss 32 has directionality, the rotation prevention principle is substantially the same.

Optionally, the cross-section of the first boss 31 and/or the second boss 32 is polygonal or oblong.

In this embodiment, the first boss 31 and/or the second boss 32 have directionality, that is, the cross section of the first boss 31 and/or the second boss 32 has a shape having directionality, wherein the shape having directionality may be a polygon, an oval, an ellipse, or the like.

In this embodiment, first boss 31 is the square boss, has the directionality, second boss 32 is cylindrical, does not have the directionality, mold core 1 passes through first boss 31 is relative the spacing subassembly 2 of boss does not rotate, and the spacing subassembly 2 of boss is relative the mould does not also rotate, can realize the mold core is relative the preventing of mould is changeed.

Optionally, the cross-sectional dimensions of the first boss 31 and the second boss 32 are smaller than or equal to the cross-sectional dimension of the mold core 1.

In the embodiment, the boss 3 at the tail end of the mold core 1 is smaller than the cross-sectional size of the mold core 1, when the mold core is inserted into the mold, the tail end of the mold core 1 is inserted into the mold, then the tail end of the mold core 1 is pushed until the mold core is inserted in place, and the size of a mold core mounting hole on the mold is small; on the contrary, if the size of the boss 3 at the tail end of the mold core 1 is larger, the front end of the mold core 1 is inserted into the mold first, in this assembly mode, when the two cavities of the extruded profile part are relatively close to each other, a thin-wall feature is generated between the two mold cores on the front mold, and the mold is easy to deform or even damage, similar to the situation shown in fig. 1-2.

Optionally, the outer periphery of the cross section of the boss limiting assembly 2 is oblong, and the outer peripheral wall of the boss limiting assembly 2 is suitable for being abutted with the front die 5 to prevent the boss limiting assembly 2 from rotating.

In this embodiment, the peripheral wall of the boss limiting component 2 is designed to be an oblong with directionality, a concave pit matched with the peripheral wall of the boss limiting component 2 is formed in the front die 5, and the boss limiting component 2 with an oblong cross section is placed in the corresponding concave pit in the front die 5 to limit the boss limiting component 2 to rotate relative to the front die 5.

Optionally, the cross section of the mold core 1 is polygonal or oblong.

In the present embodiment, the core 1 is inserted into the corresponding positions of the front mold 5 and the rear mold 6, and the core 1 is restricted from rotating by the polygonal or oblong circumferential cross section thereof. Of course, in this design, the peripheral wall of the boss limiter 2 may not have directionality, and the boss limiter 2 only serves to limit the position of the mold core 1.

Optionally, the mold comprises a core part 4, and the front end of the mold core 1 is provided with the core part 4.

In the present embodiment, the core part 4 is used to form the inner cavity of the micro heat pipe extrusion profile 7 (as shown in fig. 4), the shape and size of the core part 4 can be flexibly designed according to the forming requirement of the micro heat pipe extrusion profile 7, and generally, the length of the core part 4 does not exceed the length of the mold core 1.

On the basis of the embodiment, the utility model discloses another embodiment mold core assembly, including at least two heat pipe extrusion die mold core prevent changeing assembly structure and two at least mold cores 1, each heat pipe extrusion die mold core prevents changeing assembly structure's spacing subassembly 2 of boss and connects gradually, every heat pipe extrusion die mold core prevents changeing assembly structure's boss 3 and one mold core 1 is connected, be equipped with spacing groove 22 on the spacing subassembly 2 of boss, boss 3 and corresponding spacing groove 22 adaptation is in order to restrict mold core 1 is relative spacing subassembly 2 of boss rotates.

In this embodiment, each mold core 1 corresponds to one heat pipe extrusion mold core anti-rotation assembly structure, when two or more mold cores 1 installed on the mold are provided, the boss limiting components 2 of each heat pipe extrusion mold core anti-rotation assembly structure are connected into a whole, and each mold core 1 is inserted into the corresponding limiting groove 22 through the boss 3 at the end part of the mold core 1, so as to realize the anti-rotation of the mold core 1 relative to the boss limiting components 2.

When two mold cores 1 are assembled on the mold and the distance between two adjacent mold cores 1 is small, the tail end of the mold core 1 is inserted into the front mold 5 from the rear mold 6, the tail end of the mold core 1 is pushed until the mold core cannot slide continuously, the tail end of the mold core 1 falls into a corresponding pit of the front mold 5, and then the boss limiting component 2 is clamped into the pit, as shown in fig. 5-6, the distance between two mold cores 1 on the front mold 5 is large, the supporting strength of the mold can be ensured, and the service life of the mold can be prolonged.

Optionally, each boss limiting component 2 is integrally formed, and each limiting groove 22 is arranged at intervals along the length direction of the boss limiting component 2.

In this embodiment, when the micro heat pipe extrusion profile has a plurality of cavities, a plurality of mold cores 1 are correspondingly arranged on the extrusion mold, the plurality of mold cores 1 are respectively installed on the limiting grooves 22 of the boss limiting component 2 corresponding to the anti-rotation assembly structure of the mold core of the heat pipe extrusion mold, and the positions of the mold cores 1 installed on the mold can be flexibly designed according to the cavities of the micro heat pipe extrusion profile.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to fall within the scope of the present disclosure.

Claims (10)

1. The utility model provides a heat pipe extrusion die mold core prevents changeing assembly structure, a serial communication port, including boss (3) and the spacing subassembly of boss (2), boss (3) are suitable for to set up on mold core (1), the spacing subassembly of boss (2) be suitable for the dismantlement formula set up in on mold core (1), be equipped with on the spacing subassembly of boss (2) with spacing groove (22) of boss (3) looks adaptation, boss (3) insert spacing groove (22), just boss (3) with spacing groove (22) adaptation is in order to restrict mold core (1) is relative the spacing subassembly of boss (2) rotates, the periphery wall of the spacing subassembly of boss (2) is suitable for with the restriction with the mould butt the spacing subassembly of boss (2) is relative the mould rotates.

2. The heat pipe extrusion die core anti-rotation assembly structure according to claim 1, wherein the boss limiting component (2) is a symmetrical structure, and the axis of the limiting groove (22) is collinear with the axis of the core (1).

3. The heat pipe extrusion die core anti-rotation assembly structure according to claim 2, wherein the boss limiting component (2) comprises two half-closed bosses (21) which are split in half, each half-closed boss (21) is provided with a clamping groove, and the two clamping grooves form the limiting groove (22).

4. The heat pipe extrusion die core anti-rotation assembly structure according to claim 1, wherein the boss (3) is a stepped boss structure, the boss (3) comprises a first boss (31) and a second boss (32) which are sequentially connected, the first boss (31) is connected with the die core (1), and the second boss (32) is connected with the first boss (31);

the limiting groove (22) comprises a first limiting groove (221) and a second limiting groove (222) which are sequentially connected, the first boss (31) is suitable for being inserted into the first limiting groove (221), the first boss (31) is matched with the first limiting groove (221) in shape, and the second boss (32) is suitable for being inserted into the second limiting groove (222), the second boss (32) is matched with the second limiting groove (222) in shape.

5. The heat pipe extrusion die core anti-rotation assembly structure according to claim 4, wherein the first boss (31) and/or the second boss (32) has a polygonal or oblong cross section.

6. The heat pipe extrusion die core anti-rotation fitting structure according to claim 4, wherein the cross-sectional dimensions of the first boss (31) and the second boss (32) are smaller than or equal to the cross-sectional dimension of the core (1).

7. The heat pipe extrusion die core anti-rotation assembly structure according to claim 1, wherein the boss limiting component (2) is oblong in cross-sectional periphery, and the peripheral wall of the boss limiting component (2) is adapted to abut against a front die (5) to prevent the boss limiting component (2) from rotating.

8. The heat pipe extrusion die core anti-rotation assembly structure according to claim 1, wherein the cross section of the core (1) is polygonal or oblong.

9. A mold core assembly, characterized by comprising at least two heat pipe extrusion mold core anti-rotation assembly structures and at least two mold cores (1) according to any one of claims 1 to 8, wherein boss limiting assemblies (2) of the heat pipe extrusion mold core anti-rotation assembly structures are sequentially connected, a boss (3) of each heat pipe extrusion mold core anti-rotation assembly structure is connected with one of the mold cores (1), a limiting groove (22) is arranged on each boss limiting assembly (2), and the boss (3) is matched with the corresponding limiting groove (22) to limit the rotation of the mold core (1) relative to the boss limiting assemblies (2).

10. The core assembly of claim 9, wherein each boss limiter assembly (2) is integrally formed, and each limiter groove (22) is spaced apart along the length of the boss limiter assembly (2).

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