CN217258654U

CN217258654U - Core quick replacement mechanism of mould

Info

Publication number: CN217258654U
Application number: CN202123197684.3U
Authority: CN
Inventors: 林海
Original assignee: Suzhou Houchengpin Precision Mould Co ltd
Current assignee: Suzhou Houchengpin Precision Mould Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-08-23
Anticipated expiration: 2031-12-17

Abstract

The utility model discloses a core quick replacement mechanism of mould, including setting element, driving piece, the setting element sets up in the mounting hole of the top lateral wall of last mould, the structure of setting element includes location lid and positioning disk, the positioning disk is the ring type structure, and the core inserts in the central through-hole of positioning disk, and the head of upper portion is taken in the upside of positioning disk, the stalk portion at middle part inserts in the bottom through-hole of mounting hole, the shaping portion of lower part inserts in the die cavity of lower mould, the positioning cover covers the head of core, and fixes with the positioning disk spiro union; the structure of the driving piece comprises a screw rod and a knob, the screw rod is arranged in a groove in the left side wall of the mounting hole, a moving block of a threaded sleeve on the screw rod is fixedly connected with a positioning disc, and the knob is arranged on the left side wall of the upper die and is connected with the screw rod through a gear set. The utility model discloses be convenient for change the core.

Description

Core quick replacement mechanism of mould

Technical Field

The utility model relates to the technical field of mold, concretely relates to core quick replacement mechanism of mould.

Background

The die is various dies and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. The mold core is a part forming the product space and is called a molding part, and a part forming the inner surface of the product is called a core, which is also called a sub mold or a rear mold.

In order to ensure the quality of products, the core needs to be periodically checked, when the core in the mold is replaced, parts in the mold need to be disassembled, and the core needs to be taken out, so that the replacement process is complex and low in efficiency. Accordingly, those skilled in the art have provided a rapid core exchange mechanism for a mold that solves the above-mentioned problems of the background art.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a core quick replacement mechanism of mould, including setting element, driving piece, the setting element sets up in the mounting hole of the top lateral wall of last mould, the structure of setting element includes location lid and positioning disk, the positioning disk is the ring type structure, and the core inserts in the central through-hole of positioning disk, and the head of upper portion is taken in the upside of positioning disk, the stalk portion in the middle part inserts in the bottom through-hole of mounting hole, the shaping portion of lower part inserts in the die cavity of lower mould, the head of core is covered to the positioning lid, and is fixed with the positioning disk spiro union; the driving piece structurally comprises a screw rod and a knob, the screw rod is arranged in a groove in the left side wall of the mounting hole, a moving block of a threaded sleeve on the screw rod is fixedly connected with a positioning disc, and the knob is arranged on the left side wall of the upper die and is connected with the screw rod through a gear set.

Preferably: the structure of gear train includes conical gear and No. two conical gear, No. one conical gear fixes the bottom position at the lead screw, No. two conical gear fixes the right-hand member at the rotor of knob, No. one conical gear's left end and No. two conical gear's lower extreme meshing.

Preferably: and a sealing cover is arranged at the top port of the mounting hole, the sealing cover is of a plate-shaped structure, and the right end of the sealing cover is hinged with the upper die through a pin shaft with a torsional spring.

Preferably: the fixing part is arranged in the sealing cover and connected with the hook groove in the top side wall of the upper die, so that the sealing cover is fixed at the top end of the mounting hole.

Preferably: the structure of the fixing part comprises two moving rods and two abutting blocks, the two moving rods are respectively arranged on the left side and the right side of the middle-layer cavity of the sealing cover, the inner side end of each moving rod is an inclined surface, a plurality of positioning hooks are respectively fixed on the bottom side wall, and each positioning hook penetrates out of the bottom side wall of the sealing cover and is hooked in a hook groove; the supporting block is arranged in the middle of the middle-layer cavity of the sealing cover, the inclined planes of the left upper end and the right upper end are respectively attached to the inclined planes of the two moving rods, and the bottom of the supporting block penetrates out of the bottom side wall of the sealing cover.

Preferably, the following components: the outer end of each moving rod is connected with the sealing cover through a spring.

The utility model discloses a technological effect and advantage:

1. the utility model discloses set up the setting element, through the spiral shell between location lid and the positioning disk tightly or the spiral shell is opened, conveniently takes out or installs the core.

2. The utility model discloses set up the driving piece, rotate through knob control lead screw for the movable block drives the core and reciprocates, conveniently takes out core or core drawing of patterns.

3. The utility model discloses set up sealed lid, make sealed lid fix on the top of mounting hole through the location hook, play the effect of sealed mounting hole, upwards support the piece when covering to shift up through the location for the location hook leaves the hook groove, and sealed lid is opened automatically under the torsional spring effect.

Drawings

FIG. 1 is a schematic structural view of a core quick-change mechanism of a mold provided in an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a positioning member of a core quick-change mechanism of a mold according to an embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of a sealing cover of a core quick-change mechanism of a mold according to an embodiment of the present application.

In the figure: the mold comprises an upper mold 10, a lower mold 11, a mold core 12, a mounting hole 13, a positioning disc 14, a positioning cover 15, a threaded column 16, a first conical gear 17, a second conical gear 18, a knob 19, a sealing cover 20, a resisting block 21, a moving rod 22, a positioning hook 23, a spring 24 and a pin shaft 25.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Example 1

Referring to fig. 1 to 3, in the present embodiment, a core quick replacement mechanism for a mold is provided, including a positioning element and a driving element, where the positioning element is disposed in a mounting hole 13 of a top side wall of an upper mold 10, the positioning element includes a positioning cover 15 and a positioning plate 14, the positioning plate 14 is in a circular ring structure, a core 12 is inserted into a central through hole of the positioning plate 14, a head portion of an upper portion of the core is lapped on an upper side of the positioning plate 14, a handle portion of a middle portion of the core is inserted into a bottom end through hole of the mounting hole 13, a forming portion of a lower portion of the core is inserted into a cavity of a lower mold 11, and the positioning cover 15 covers the head portion of the core 12 and is fixed to the positioning plate 14 by screwing; the driving part structurally comprises a screw rod 16 and a knob 19, the screw rod 16 is arranged in a groove in the left side wall of the mounting hole 13, a moving block of a threaded sleeve on the screw rod 16 is fixedly connected with a positioning disc 14, and the knob 19 is arranged on the left side wall of the upper die 10 and is connected with the screw rod 16 through a gear set; the structure of the gear set comprises a first conical gear 17 and a second conical gear 18, the first conical gear 17 is fixed at the bottom end of the screw rod 16, the second conical gear 18 is fixed at the right end of a rotor of the knob 19, and the left end of the first conical gear 17 is meshed with the lower end of the second conical gear 18;

when the mold core 12 is demolded, the knob 19 is rotated, the second bevel gear 18 rotates to drive the first bevel gear 17 to rotate, the lead screw 16 rotates, the moving block on the lead screw 16 is screwed upwards to drive the positioning piece to move upwards, and the mold core 12 is drawn out of the mold cavity after moving upwards to demold with a molded product; when the core 12 is replaced, the positioning piece is continuously moved upwards until the positioning piece protrudes out of the mounting hole 13, after the positioning cover 15 is unscrewed, the head of the core 12 is held, the core 12 is drawn out of the positioning plate 14, the core 12 which is replaced by a new core is inserted into the positioning plate 14, then the positioning cover 15 is screwed on the positioning plate 14, and the positioning cover 15 covers the core 12, so that the core 12 is positioned.

The sealing structure further comprises a sealing cover 20, the sealing cover 20 is of a plate-shaped structure, the right end of the sealing cover is hinged to the upper die 10 through a pin shaft 25 with a torsion spring, a fixing part is arranged in the sealing cover 20, and the fixing part is connected with a hook groove in the top side wall of the upper die 10, so that the sealing cover 20 is fixed to the top end of the mounting hole 13; the fixing part structurally comprises two moving rods 22 and two abutting blocks 21, the two moving rods 22 are respectively arranged on the left side and the right side of a middle-layer cavity of the sealing cover 20, the inner side end of each moving rod 22 is an inclined surface, a plurality of positioning hooks 23 are respectively fixed on the bottom side wall, and each positioning hook 23 penetrates out of the bottom side wall of the sealing cover 20 and is hooked in a hook groove; the supporting block 21 is arranged in the middle of the middle-layer cavity of the sealing cover 20, the inclined planes of the left upper end and the right upper end are respectively attached to the inclined planes of the two moving rods 22, and the bottom of the supporting block 21 penetrates out of the bottom side wall of the sealing cover 20; the outer end of each moving rod 22 is connected with the sealing cover 20 through a spring 24;

after the mold core 12 is replaced, rotating the sealing cover 20 to the left, and after the arc surface of the positioning hook 23 contacts the top side wall of the upper mold 10, pushing the positioning block 23 to the outside until the positioning hook 23 is aligned with the hook groove and then hooked into the hook groove, so that the sealing cover 20 is fixed at the top end of the mounting hole 13 in a sealing manner; when the driving part controls the positioning part to move upwards to the top of the mounting hole 13, the positioning cover 15 upwards supports the supporting block 21, the supporting block 21 pushes the two moving rods 22 towards two sides, so that the positioning hooks 23 do not hook the hook grooves, the sealing cover 20 is turned over under the action of the torsion spring to expose the positioning part, and the core 12 is convenient to replace.

It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present disclosure. The structures, devices, and methods of operation of the present invention, not specifically described and illustrated, are generally practiced by those of ordinary skill in the art without specific recitation or limitation.

Claims

1. The core quick replacement mechanism of the die is characterized by comprising a positioning piece and a driving piece, wherein the positioning piece is arranged in a mounting hole (13) of the top side wall of an upper die (10), the positioning piece comprises a positioning cover (15) and a positioning disc (14), the positioning disc (14) is of a circular ring structure, a core (12) is inserted into a central through hole of the positioning disc (14), the head of the upper part is lapped on the upper side of the positioning disc (14), the handle of the middle part is inserted into a bottom end through hole of the mounting hole (13), the forming part of the lower part is inserted into a cavity of a lower die (11), and the positioning cover (15) covers the head of the core (12) and is fixedly connected with the positioning disc (14) in a threaded manner; the driving piece structurally comprises a screw rod (16) and a knob (19), the screw rod (16) is arranged in a groove in the left side wall of the mounting hole (13), a moving block of a threaded sleeve on the screw rod (16) is fixedly connected with a positioning disc (14), and the knob (19) is arranged on the left side wall of the upper die (10) and is connected with the screw rod (16) through a gear set.

2. The core quick-changing mechanism of a mold according to claim 1, characterized in that the structure of the gear set comprises a first conical gear (17) and a second conical gear (18), the first conical gear (17) is fixed at the bottom end part of the screw rod (16), the second conical gear (18) is fixed at the right end of the rotor of the knob (19), and the left end of the first conical gear (17) is meshed with the lower end of the second conical gear (18).

3. The core quick-changing mechanism of the mold is characterized in that a sealing cover (20) is arranged at the top port of the mounting hole (13), the sealing cover (20) is of a plate-shaped structure, and the right end of the sealing cover is hinged with the upper mold (10) through a pin shaft (25) with a torsion spring.

4. The mechanism for rapidly replacing the core of the mold as set forth in claim 3, wherein the sealing cover (20) is provided therein with a fixing member which is coupled with a hooking groove on the top sidewall of the upper mold (10) so that the sealing cover (20) is fixed on the top end of the mounting hole (13).

5. The core quick-changing mechanism of a mold according to claim 4, characterized in that the structure of the fixing member comprises two moving rods (22) and two abutting blocks (21), the two moving rods (22) are respectively arranged at the left and right sides of the middle-layer cavity of the sealing cover (20), the inner side end of each moving rod (22) is inclined, a plurality of positioning hooks (23) are respectively fixed on the bottom side wall, and each positioning hook (23) penetrates out of the bottom side wall of the sealing cover (20) and hooks in a hook groove; the supporting block (21) is arranged in the middle of the middle-layer cavity of the sealing cover (20), the inclined planes of the left upper end and the right upper end are respectively attached to the inclined planes of the two moving rods (22), and the bottom of the supporting block (21) penetrates out of the bottom side wall of the sealing cover (20).

6. A mechanism for rapid replacement of cores in a mould according to claim 5, characterised in that the outer end of each moving rod (22) is connected to the sealing cap (20) by a spring (24).