CN220499755U - Mould convenient to dismouting mold core - Google Patents

Abstract

The utility model discloses a die convenient for disassembling and assembling a die core, which comprises an upper die and a lower die which are matched with each other, wherein the lower die comprises a lower die plate and a lower die core, the lower die plate is provided with a limiting block, the lower die core is provided with a limiting hole for accommodating a limiting block, and the limiting block is inserted into the limiting hole from bottom to top to limit and lock the lower die core. The die convenient for disassembling and assembling the die core is provided with the limiting block of the non-rotating body on the lower die plate, the lower die core is provided with the limiting hole matched with the limiting block, the accurate positioning of the lower die core is realized by the insertion and arrangement of the limiting block and the limiting hole, the mounting structure of the lower die core is simplified, the disassembly and the mounting of the lower die core are more convenient, the disassembly and assembly efficiency of the lower die core is improved, and the production efficiency is further improved.

Description

Mould convenient to dismouting mold core

Technical Field

The utility model relates to the technical field of dies, and particularly discloses a die convenient for disassembling and assembling a die core.

Background

With the development of society, the die is applied to various industries, and most of the current dies generally comprise an upper die base, a lower die base, a guide post, an equal-height sleeve, a spring and a dieCore, etc., wherein the inner mold structure and the mold frame form an integral mold structure. In general, the internal mold structure and the mold frame are fixed together, i.e. one set of internal mold structure corresponds to one set of mold frame, and when processing different products, the mold core and the mold frame usually need to be replaced together. However, the mold design and manufacturing cycle is long, costly, bulky and heavy, and the entire set of replacement wastes resources _， Thus, a mold with a replaceable mold core is designed. However, in order to ensure the precision of the mold, the replaceable mold core is installed in the mold frame and needs to be positioned and locked in multiple directions, so that the mold core is complex in installation structure, inconvenient to disassemble and install, and production efficiency is affected.

Disclosure of Invention

In order to overcome the defects and shortcomings in the prior art, the utility model aims to provide a die convenient for disassembling and assembling a die core, simplify the mounting structure of a lower die core and solve the problem of inconvenient disassembly and assembly of the lower die core.

In order to achieve the above purpose, the mold convenient for disassembling and assembling the mold core comprises an upper mold and a lower mold which are matched with each other, wherein the upper mold comprises a panel, a runner plate, an upper mold plate and an upper mold core, the runner plate and the upper mold plate are arranged on the panel through bolts, the runner plate is clamped between the panel and the upper mold plate, and the upper mold core is arranged in a cavity of the upper mold plate; the lower die comprises a bottom plate, die legs, an ejection mechanism, a lower die plate and a lower die core, wherein the die legs and the lower die plate are arranged on the bottom plate through bolts; the lower die plate is provided with a limiting block, the limiting block is a non-rotating body, the lower die core is provided with a limiting hole for accommodating the limiting block, the shape of the inner side hole wall of the limiting hole and the shape of the outer side face of the limiting block are matched with each other and are in close contact with each other, one end of the limiting block is connected to the lower die plate, and the other end of the limiting block is inserted into the limiting hole from bottom to top to achieve installation limiting of the lower die core.

Specifically, one end of the limiting block, which is close to the lower template, is provided with a first limiting step, and the first limiting step is outwards protruded from one side surface of the limiting block to form.

Specifically, the tip that the spacing hole of lower mold core is close to the lower bolster is provided with first spacing groove, and first spacing groove is outwards concavely established from the one side cell wall of spacing hole and is formed, and first spacing groove is used for holding first spacing step, and the step face of first spacing step supports the diapire of contact first spacing groove in order to carry out spacingly to lower mold core.

Specifically, the limiting block is also provided with a second limiting step, the second limiting step is positioned at one end close to the lower die plate, and the second limiting step is outwards protruded from the other side surface of the limiting block.

Specifically, the spacing hole of lower mold core still is provided with the second spacing groove, and the second spacing groove is located the tip that the spacing hole is close to the lower bolster, and the second spacing groove outwards concave from the opposite side cell wall of spacing hole establishes the formation, and the second spacing groove is used for holding to establish the spacing step of second, and the step face butt contact second spacing groove's of the spacing step diapire is spacing in order to carry out the lower mold core.

Specifically, the stopper is formed by a first block and two second blocks combination, and two second blocks set up respectively in the both sides of first block, first spacing step sets up in first block, the spacing step of second sets up in the second block, spacing hole be provided with one first spacing groove and two second spacing groove.

Specifically, the number of the upper mold cores and the number of the lower mold cores are two, the two upper mold cores and the two lower mold cores are arranged in a one-to-one fit manner, the lower mold plate is provided with four limiting blocks, and each lower mold core is provided with two limiting holes.

Specifically, the panel is provided with the runner, and the runner board is provided with sprue and two shunts, and sprue's upper end and runner intercommunication, sprue's lower extreme respectively with two shunts intercommunication, a shunt is used for corresponding intercommunication mould core.

Specifically, ejection mechanism includes thimble, goes up thimble board and lower thimble board, and the one end of thimble is installed in last thimble board, and the other end of thimble runs through in lower bolster and lower mold core and is used for ejecting the product on the lower mold core, goes up the thimble board and installs in lower thimble board, goes up the thimble board and is equipped with reset spring in the lower bolster through bolt swing joint, bolt overcoat.

Specifically, a guide post is fixedly arranged between the bottom plate and the lower template, the guide post penetrates through the upper ejector plate and the lower ejector plate, the upper ejector plate and the lower ejector plate are provided with guide sleeves used for being sleeved outside the guide post, and the upper ejector plate and the lower ejector plate can move up and down along the guide post.

The utility model has the beneficial effects that: the die convenient for disassembling and assembling the die core comprises an upper die and a lower die which are matched with each other, wherein the lower die comprises a lower die plate and a lower die core, the lower die plate is provided with a limiting block, the lower die core is provided with a limiting hole for accommodating a limiting block, and the limiting block is inserted into the limiting hole from bottom to top to limit and lock the lower die core. When the lower mold core is installed, the limiting hole of the lower mold core is only required to be aligned with the limiting block of the lower mold plate, then the limiting block moves downwards from top to bottom, the limiting block is inserted into the limiting hole, and then the lower mold core and the lower mold plate are locked by bolts; when the mold core is disassembled, the upper mold and the lower mold are separated, the bolts between the lower mold plate and the lower mold core are unscrewed, the locking of the lower mold core is released, and then the lower mold core is moved upwards to enable the limiting block to withdraw from the limiting hole, so that the disassembly can be completed. This mould convenient to dismouting mold core is through setting up the stopper of non-rotator on the lower bolster, sets up in stopper assorted spacing hole at the lower mold core, utilizes the cooperation of inserting of stopper and spacing hole to realize the accurate location to the lower mold core to this mounting structure of having simplified the lower mold core, thereby it is more convenient to make the dismantlement and the installation of lower mold core, improves the dismouting efficiency of lower mold core, and then improves production efficiency.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic perspective view of a lower mold core of the present utility model;

FIG. 4 is a schematic cross-sectional view of the structure of A-A in FIG. 3 according to the present utility model;

FIG. 5 is a schematic perspective view of a stopper according to the present utility model;

FIG. 6 is a schematic top view of the stopper of the present utility model;

FIG. 7 is a schematic view of the bottom view of the stopper of the present utility model;

fig. 8 is a schematic cross-sectional view of an ejection mechanism according to the present utility model.

The reference numerals include:

11-panel 12-runner plate 13-upper template

14-upper mould core 21-bottom plate 22-mould leg

23-lower template 24-lower mold core 25-limiting block

31-thimble 32-upper thimble plate 33-lower thimble plate

34-return spring 35-guide post 36-guide sleeve

111-gate 121-main flow channel 122-split flow channel

241-limiting hole 242-first limiting groove 243-second limiting groove

251-first limiting step 252-second limiting step 253-first block

254-second partition.

Detailed Description

The present utility model will be further described with reference to examples and drawings, which are not intended to be limiting, for the understanding of those skilled in the art.

Referring to fig. 1 to 8, the mold with a mold core convenient to disassemble and assemble of the present utility model includes an upper mold and a lower mold that are matched with each other, the upper mold includes a panel 11, a runner plate 12, an upper mold plate 13 and an upper mold core 14, the runner plate 12 and the upper mold plate 13 are mounted on the panel 11 via bolts, the runner plate 12 is clamped between the panel 11 and the upper mold plate 13, and the upper mold core 14 is disposed in a cavity of the upper mold plate 13; the lower die comprises a bottom plate 21, die legs 22, an ejection mechanism, a lower die plate 23 and a lower die core 24, wherein the die legs 22 and the lower die plate 23 are arranged on the bottom plate 21 through bolts, the die legs 22 are positioned between the bottom plate 21 and the lower die plate 23 and used for supporting the lower die plate 23, the ejection mechanism is movably arranged between the lower die plate 23 and the bottom plate 21 and used for ejecting a molded product, the lower die core 24 is arranged in a cavity of the lower die plate 23 through bolts, and the upper die core 14 is matched with the lower die core 24 and forms a cavity between the upper die core and the lower die core; the lower die plate 23 is provided with a limiting block 25, the limiting block 25 is a non-rotating body, the lower die core 24 is provided with a limiting hole 241 for accommodating the limiting block 25, the shape of the inner side hole wall of the limiting hole 241 and the shape of the outer side surface of the limiting block 25 are matched with each other and are in close contact with each other, one end of the limiting block 25 is connected to the lower die plate 23, and the other end of the limiting block 25 is inserted into the limiting hole 241 from bottom to top so as to realize the installation limiting of the lower die core 24. The stopper 25 may be fixed to the lower die plate 23 by screws, welding, or the like, or may be integrally formed with the lower die plate 23. In this embodiment, the top projection shape of the stopper 25 is close to a "dry" shape, and the bottom projection shape of the stopper 25 is close to a "soil" shape.

When the lower die core 24 is installed, the limiting hole 241 of the lower die core 24 is only required to be aligned with the limiting block 25 of the lower die plate 23, then the limiting block 25 is moved downwards from top to bottom, the limiting block 25 is inserted into the limiting hole 241, and then the lower die core 24 and the lower die plate 23 are locked by bolts; when the lower mold core 24 is disassembled, the upper mold and the lower mold are separated, bolts between the lower mold plate 23 and the lower mold core 24 are loosened, the locking of the lower mold core 24 is released, and then the lower mold core 24 is moved upwards to enable the limiting block 25 to exit the limiting hole 241, so that the disassembly can be completed. This mould convenient to dismouting mold core is through setting up the stopper 25 of non-rotator on lower bolster 23, sets up in stopper 25 assorted spacing hole 241 at lower mold core 24, utilizes the cooperation of inserting of stopper 25 and stopper 25 to realize the accurate location to lower mold core 24 to this mounting structure of lower mold core 24 has been simplified, thereby makes lower mold core 24 dismantle more convenient with the installation, and then improves production efficiency.

Referring to fig. 5, a first limiting step 251 is disposed at one end of the limiting block 25 near the lower die plate 23, and the first limiting step 251 is formed by protruding outwards from one side surface of the limiting block 25, so that the cross-sectional area of one end of the limiting block 25 near the lower die plate 23 is larger than that of one end of the limiting block far from the lower die plate 23, and the limiting block 25 is beneficial to entering the limiting hole 241.

Referring to fig. 4, a first limiting groove 242 is disposed at an end of the limiting hole 241 of the lower mold core 24, which is close to the lower mold plate 23, the first limiting groove 242 is concavely formed from a groove wall at one side of the limiting hole 241, the first limiting groove 242 is used for Rong She a first limiting step 251, and a step surface of the first limiting step 251 abuts against a bottom wall of the first limiting groove 242 to limit the lower mold core 24, so that the limiting block 25 can only enter from a lower end of the limiting hole 241, and the lower mold core 24 can only be installed downwards and detached upwards.

Referring to fig. 5, the limiting block 25 is further provided with a second limiting step 252, the second limiting step 252 is located at one end close to the lower die plate 23, the second limiting step 252 is formed by protruding outwards from the other side surface of the limiting block 25, the first limiting step 251 and the second limiting step 252 are respectively located at two opposite sides of the limiting block 25, and the heights and widths of the first limiting step 251 and the second limiting step 252 are different, so that the lower die core 24 can only have one installation position, and the positioning accuracy of the lower die core 24 is ensured.

Referring to fig. 4, the limiting hole 241 of the lower mold core 24 is further provided with a second limiting groove 243, the second limiting groove 243 is located at an end of the limiting hole 241 near the lower mold plate 23, the second limiting groove 243 is formed by recessing from the groove wall at the other side of the limiting hole 241, the second limiting groove 243 is used for Rong She a second limiting step 252, a step surface of the second limiting step 252 abuts against a bottom wall of the second limiting groove 243 to limit the lower mold core 24, and the second limiting groove 243 and the first limiting groove 242 are respectively located at two inner sides corresponding to the limiting hole 241.

Referring to fig. 5 to 7, the limiting block 25 is formed by combining a first block 253 and two second blocks 254, the two second blocks 254 are respectively disposed on two sides of the first block 253, the first limiting step 251 is disposed on the first block 253, the second limiting step 252 is disposed on the second block 254, and the limiting hole 241 is provided with one first limiting groove 242 and two second limiting grooves 243. The first block 253 is tightly attached to the two second blocks 254, the two second blocks 254 are axisymmetrically arranged by taking the first block 253 as an axis, and the two second limiting grooves 243 are on the same side. The side edges of the two second sub-blocks 254 far away from the first sub-blocks 253 are provided with leading-in parts, the leading-in parts are positioned at one ends of the limiting blocks 25 far away from the lower templates 23, and the end parts of the leading-in parts are provided with chamfers, so that the limiting blocks 25 can be conveniently inserted into the limiting holes 241.

Referring to fig. 2 to 3, the number of the upper mold cores 14 and the number of the lower mold cores 24 are two, and the two upper mold cores 14 and the two lower mold cores 24 are matched one by one, so that one mold can simultaneously produce two products; the lower die plate 23 is provided with four limiting blocks 25, each lower die core 24 is provided with two limiting holes 241, the centers of the lower die cores 24 of the two limiting holes 241 are symmetrically arranged in the length direction by taking the center of the lower die core 24 as an axis, and one lower die core 24 corresponds to the two limiting blocks 25, so that the positioning precision of the lower die core 24 can be enhanced.

Referring to fig. 2, a gate 111 is provided on a panel 11, a runner plate 12 is provided with a main runner 121 and two split runners 122, the upper end of the main runner 121 is communicated with the gate 111, the lower end of the main runner 121 is respectively communicated with the two split runners 122, one split runner 122 is used for correspondingly communicating with one upper mold core 14, and after casting liquid enters the main runner 121 from the gate 111, the casting liquid enters cavities formed by the two upper mold cores 14 and the lower mold cores 24 through the two split runners 122, so that two products are produced by one-step molding, and the production efficiency is improved.

Referring to fig. 8, the ejector mechanism includes an ejector pin 31, an upper ejector plate 32 and a lower ejector plate 33, wherein one end of the ejector pin 31 is mounted on the upper ejector plate 32, the other end of the ejector pin 31 penetrates through the lower die plate 23 and the lower die core 24 and is used for ejecting a product on the lower die core 24, the upper ejector plate 32 is mounted on the lower ejector plate 33, the upper ejector plate 32 is movably connected to the lower die plate 23 through a stud, and a reset spring 34 is sleeved outside the stud. The bottom of the lower die plate 23 is provided with a recess, one end of the return spring 34 is accommodated in the recess, and the other end abuts against the upper ejector plate 32. When the product in the cavity is molded and demolded, an external driving device drives the lower ejector plate 33 to move upwards, the lower ejector plate 33 pushes the upper ejector plate 32 and the ejector pins 31 to move upwards, the ejector pins 31 eject the product in the cavity out of the lower mold core 24, and the return spring 34 is compressed and deformed; when the demolding is completed, the external driving device removes the force pushing the lower ejector plate 33, and the reset spring 34 is restored to deform to push the upper ejector plate 32 to move downwards, so that the ejector pins 31 are reset.

Referring to fig. 8, a guide post 35 is fixedly disposed between the bottom plate 21 and the lower die plate 23, the guide post 35 penetrates through the upper ejector plate 32 and the lower ejector plate 33, the upper ejector plate 32 and the lower ejector plate 33 are provided with a guide sleeve 36 for sleeving the guide post 35, and the upper ejector plate 32 and the lower ejector plate 33 can move up and down along the guide post 35. The guide device formed by the cooperation of the guide post 35 and the guide sleeve 36 can ensure that the moving track of the thimble 31 is unchanged, and avoid the phenomenon that the thimble 31 inclines to movably collide with the lower die plate 23 and the lower die core 24 so as to break and damage.

The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.

Claims (10)

1. The utility model provides a mould convenient to dismouting mold core, includes upper mould and lower mould that mutually support, and the upper mould includes panel (11), runner board (12), cope match-plate pattern (13) and upper mould core (14), and runner board (12) and cope match-plate pattern (13) are installed on panel (11) through the bolt, and runner board (12) centre gripping is between panel (11) and cope match-plate pattern (13), and upper mould core (14) set up in the cavity of cope match-plate pattern (13); the lower die comprises a bottom plate (21), die legs (22), an ejection mechanism, a lower die plate (23) and a lower die core (24), wherein the die legs (22) and the lower die plate (23) are arranged on the bottom plate (21) through bolts, the die legs (22) are arranged between the bottom plate (21) and the lower die plate (23) and are used for supporting the lower die plate (23), the ejection mechanism is movably arranged between the lower die plate (23) and the bottom plate (21) and is used for ejecting a formed product, and the lower die core (24) is arranged in a cavity of the lower die plate (23) through bolts; the method is characterized in that: the lower die plate (23) is provided with a limiting block (25), the limiting block (25) is a non-rotating body, the lower die core (24) is provided with a limiting hole (241) for accommodating the limiting block (25), the shape of the inner side hole wall of the limiting hole (241) is matched with the shape of the outer side surface of the limiting block (25) and is in close contact with the shape of the outer side surface of the limiting block, one end of the limiting block (25) is connected to the lower die plate (23), and the other end of the limiting block (25) is inserted into the limiting hole (241) from bottom to top so as to realize the installation limiting of the lower die core (24).

2. The mold for facilitating disassembly and assembly of the mold core according to claim 1, wherein: one end of the limiting block (25) close to the lower die plate (23) is provided with a first limiting step (251), and the first limiting step (251) is outwards protruded from one side surface of the limiting block (25).

3. The mold for facilitating disassembly and assembly of the mold core according to claim 2, wherein: the end part of a limit hole (241) of the lower die core (24) close to the lower die plate (23) is provided with a first limit groove (242), the first limit groove (242) is formed by outwards concavely arranging one side groove wall of the limit hole (241), the first limit groove (242) is used for accommodating a first limit step (251), and a step surface of the first limit step (251) is abutted to contact with the bottom wall of the first limit groove (242) to limit the lower die core (24).

4. A mould for facilitating the disassembly and assembly of a mould core according to claim 3, wherein: the limiting block (25) is further provided with a second limiting step (252), the second limiting step (252) is located at one end close to the lower die plate (23), and the second limiting step (252) is formed by protruding outwards from the other side face of the limiting block (25).

5. The mold for facilitating disassembly and assembly of the mold core according to claim 4, wherein: the limiting hole (241) of the lower die core (24) is further provided with a second limiting groove (243), the second limiting groove (243) is located at the end part, close to the lower die plate (23), of the limiting hole (241), the second limiting groove (243) is formed by outwards concavely arranging the groove wall on the other side of the limiting hole (241), the second limiting groove (243) is used for accommodating a second limiting step (252), and the step surface of the second limiting step (252) is abutted against the bottom wall of the second limiting groove (243) to limit the lower die core (24).

6. The mold for facilitating disassembly and assembly of the mold core according to claim 5, wherein: the limiting block (25) is formed by combining a first sub-block (253) and two second sub-blocks (254), the two second sub-blocks (254) are respectively arranged on two sides of the first sub-block (253), the first limiting step (251) is arranged on the first sub-block (253), the second limiting step (252) is arranged on the second sub-block (254), and the limiting hole (241) is provided with a first limiting groove (242) and two second limiting grooves (243).

7. The mold for facilitating disassembly and assembly of the mold core according to claim 1, wherein: the number of the upper mold cores (14) and the number of the lower mold cores (24) are two, the two upper mold cores (14) are in one-to-one fit with the two lower mold cores (24), the lower mold plates (23) are provided with four limiting blocks (25), and each lower mold core (24) is provided with two limiting holes (241).

8. The mold for facilitating disassembly and assembly of the mold core according to claim 7, wherein: the panel (11) is provided with runner (111), and runner board (12) are provided with sprue (121) and two reposition of redundant personnel ways (122), and the upper end and the runner (111) of sprue (121) communicate, and the lower extreme of sprue (121) communicates with two reposition of redundant personnel ways (122) respectively, and one reposition of redundant personnel way (122) are used for corresponding intercommunication mould core (14).

9. The mold for facilitating disassembly and assembly of the mold core according to claim 1, wherein: the ejection mechanism comprises an ejector pin (31), an upper ejector pin plate (32) and a lower ejector pin plate (33), one end of the ejector pin (31) is arranged on the upper ejector pin plate (32), the other end of the ejector pin (31) penetrates through the lower die plate (23) and the lower die core (24) and is used for ejecting a product on the lower die core (24), the upper ejector pin plate (32) is arranged on the lower ejector pin plate (33), the upper ejector pin plate (32) is movably connected to the lower die plate (23) through a bolt, and a reset spring (34) is sleeved outside the bolt.

10. The mold for facilitating disassembly and assembly of the mold core according to claim 9, wherein: guide posts (35) are fixedly arranged between the bottom plate (21) and the lower template (23), the guide posts (35) penetrate through the upper ejector pin plate (32) and the lower ejector pin plate (33), guide sleeves (36) used for being sleeved outside the guide posts (35) are arranged on the upper ejector pin plate (32) and the lower ejector pin plate (33), and the upper ejector pin plate (32) and the lower ejector pin plate (33) can move up and down along the guide posts (35).