CN113246393A

CN113246393A - Injection molding mold

Info

Publication number: CN113246393A
Application number: CN202110503082.1A
Authority: CN
Inventors: 冉东旭; 王树
Original assignee: Individual
Current assignee: Zhuzhou Xuhui Technology Co ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2021-08-13
Anticipated expiration: 2041-05-10
Also published as: CN113246393B

Abstract

The invention discloses an injection molding mold which comprises an upper mold, a telescopic column, a top plate, a lower mold, a mold groove and a positioning mechanism, wherein the telescopic column is fixedly connected to the top of the upper mold, one end, far away from the upper mold, of the telescopic column is fixedly connected with the top plate, one surface, far away from the telescopic column, of the upper mold is fixedly connected with a convex mold block, the outer surface of the convex mold block is movably connected with the lower mold, and the outer surface of the lower mold is provided with the mold groove. According to the invention, the surface of the male die block can be scraped by the scraper in the process that the upper die moves up and down along with the telescopic column, so that the smoothness of the surface of the male die block is ensured, the waste rate of the die is reduced, meanwhile, the first tooth is arranged on the outer surface of the positioning plate, and when the die is opened, the impact ball impacts the inner surface of the mounting groove by the extrusion of the first tooth on the second tooth, so that the probability of the die-carrying condition of the upper die is reduced, and the production quality and the yield are improved.

Description

Injection molding mold

Technical Field

The invention relates to the technical field of injection molding dies, in particular to an injection molding die.

Background

Injection molding is a tool for producing plastic products and also for giving the plastic products complete structure and precise dimensions, and injection molding is a processing method used for mass production of parts with complex shapes. The plastic is injected into a mold cavity under high pressure by an injection molding machine, and a molded product is obtained after cooling and solidification.

In the existing patent (publication number: CN210590371U), an integrated lamp body shell injection molding mold capable of being cooled rapidly comprises an upper mold, wherein a telescopic column is fixedly connected to the top of the upper mold, a top plate is fixedly connected to one end, away from the upper mold, of the telescopic column, an upper mold block is fixedly connected to one surface, away from the telescopic column, of the upper mold, a lower mold is movably connected to the outer surface of the upper mold block, and a mold groove is formed in the outer surface of the lower mold. This quick refrigerated integral type lamp body shell injection moulding mould cools down through the model cooling chamber of seting up in the lower mould is inside, during the use, goes up mould and lower mould and closely laminates, and inside plastics entered into the mould recess through the mouth of moulding plastics, goes up mould main part and lower mould main part and constitutes lamp shell shape, and plastics form lamp shell shape after pouring into, and at this moment, inside cooling water entered into model cooling chamber and condenser tube through the cooling water inlet tube.

In the process of implementing the invention, the inventor finds that at least the following problems in the prior art are not solved: the utility model provides a to injection moulding mould, the workshop can produce a large amount of dusts when processing of moulding plastics, the dust can be wafted and fall in each corner, cause dust pollution, especially the miniature workshop of part, dustproof condition is relatively poor, consequently, lead to easily adhering to foreign matter and dust at the in-process convex module surface of compound die easily, influence the effect of moulding plastics, the product that makes to produce even becomes the waste material, the waste rate has been increased, simultaneously in the die sinking in-process, go up the mould and appear the area mould phenomenon easily, consequently, lead to the mould damaged easily, the fracture of falling even.

To this end, an injection molding die is proposed.

Disclosure of Invention

The invention aims to provide an injection molding mold, which can scrape the surface of a male mold block by using a scraper in the process that an upper mold moves up and down along with a telescopic column, so that the smoothness of the surface of the male mold block is ensured, the waste rate of the mold is reduced, meanwhile, a top plate is fixed with the outside by arranging a first tooth on the outer surface of a positioning plate, the upper mold is driven to move upwards under the action of the telescopic column, and an impact ball impacts the inner surface of an installation groove by the extrusion of the first tooth on a second tooth, so that the probability of producing a mold-carrying condition of the upper mold is reduced, the production quality and the yield are improved, and the problems in the background technology are solved.

In order to achieve the purpose, the invention provides the following technical scheme: an injection molding mold comprises an upper mold, a telescopic column, a top plate, a lower mold, a mold groove and a positioning mechanism, wherein the telescopic column is fixedly connected to the top of the upper mold, one end, far away from the upper mold, of the telescopic column is fixedly connected with the top plate, one surface, far away from the telescopic column, of the upper mold is fixedly connected with a convex mold block, the outer surface of the convex mold block is movably connected with the lower mold, the outer surface of the lower mold is provided with the mold groove, and an injection molding opening is formed in the position, corresponding to the mold groove, of the outer surface of the front end of the lower mold;

the quantity of positioning mechanism is two sets of, and is two sets of positioning mechanism sets up in the position that the lower extreme surface of last mould is close to the mould both sides, the constant head tank has all been seted up with the position that two sets of positioning mechanism correspond to the upper end surface of bed die, and constant head tank and positioning mechanism coincide each other.

Through adopting above-mentioned technical scheme, at last mould along with the process that flexible post reciprocated, can utilize the scraper blade to scrape the surface of terrace die utensil piece, guarantee the planarization on terrace die utensil piece surface to reduce the extravagant rate of mould, simultaneously through setting up positioning mechanism, reduce the probability that the mould piece produced the area mould situation, thereby improve production quality and yield.

Preferably, the positioning mechanism comprises a positioning plate, a first fixing rod, a movable plate, a torsion spring, a first tooth, a second tooth and a second fixing rod, the positioning plate is fixedly connected to the position of the outer surface of the lower end of the upper die, which is close to one side of the convex die block, a movable groove is formed in one side of the outer surface of the positioning plate, which is close to one side of the convex die block, first sliding grooves are formed in the positions, which are close to the bottom end, of the two sides of the inner surface of each movable groove, a limiting rod is fixedly connected to the inner part of each first sliding groove, a first sliding block is slidably connected to the outer surface of each limiting rod, a first spring is arranged at the position, which is close to one end, of the outer surface of each limiting rod, one end of each first spring is fixedly connected with the inner surface of each first sliding groove, the other end of each first sliding block is, the surface of first dead lever is located the position of fly leaf both sides and all is provided with torsion spring, and torsion spring's one end and fly leaf fixed connection, the other end and first slider fixed connection, the one end fixedly connected with scraper blade of first dead lever is kept away from to the surface of fly leaf, and the transversal triangle-shaped of personally submitting of scraper blade, and is two sets of the protruding end that the scraper blade corresponds with the terrace die utensil piece all is the arc, the surface of scraper blade is kept away from one side of fly leaf and is closely laminated with the surface of terrace die utensil piece.

In the process of die assembly, foreign matters and dust are easily adhered to the surface of the convex die block, particularly when the die assembly is produced in a factory with large dust particles, the foreign matters and dust are easily adhered to the surface of the convex die block in the process of up-and-down movement of the upper die, so that the injection molding effect is influenced, even the produced product becomes waste, the waste rate is increased, in the work, the upper die and the convex die block are pushed to be combined with the die groove by controlling the telescopic column, then the plastic is guided into the die groove through the injection molding opening, in the process, when the positioning plate is contacted with the positioning groove, the movable plate rotates around the first fixed rod in the direction close to the movable groove under the extrusion of the positioning groove, the first spring is extruded, the scraper is always attached to the convex die block and scrapes the convex die block, the surface tidiness of the convex die block is ensured, and protruding ends corresponding to the scraper and the convex die block are all in an arc shape by arranging the scraper, the probability that the male die block is scratched by the scraper in the process of cleaning the male die block is avoided.

Preferably, form between scraper blade and the fly leaf and store the chamber, and store one side surface in chamber and seted up the water injection hole, the inside in water injection hole is provided with the piston, one side fixed surface of scraper blade is connected with the arc elastic plate, and the arc elastic plate surface is close to the thermal-insulated cotton of one side fixedly connected with of convex mould piece, a plurality of water conservancy diversion holes of group have all been seted up with the inside of storing the chamber to the surface of arc elastic plate, and form sealed chamber between arc elastic plate and the scraper blade.

During operation, foreign matters adhered to the surface of the male die block can be scraped by the scraper, and meanwhile, the male die block extrudes the arc-shaped elastic plate by setting the arc-shaped elastic plate in the rotating process of the scraper, so that water flow in the storage cavity is enabled to dip heat insulation cotton through the flow guide hole to wipe dust on the surface of the male die block, and therefore the cleanness and tidiness of the surface of the male die block are guaranteed.

Preferably, the internal surface fixed connection of arc elastic plate has the gasbag, and the both ends of gasbag all correspond with arc elastic plate and the inside water conservancy diversion hole of storage chamber, are located the inside water conservancy diversion hole fixed connection hose of storage chamber, and the hose is located the inside of storage chamber.

In the process that the convex die block repeatedly extrudes the arc-shaped elastic plate, the arc-shaped elastic plate repeatedly extrudes the air bag, so that water in the storage cavity is extracted by the hose, the water flow speed can be effectively controlled, the wiping effect of the heat insulation cotton is guaranteed, and the positioning plate is completely coincided with the positioning groove.

Preferably, the front end and the rear end of the inner surface of the positioning groove are both provided with a second sliding groove, the inner surface of the second sliding groove is fixedly connected with a second fixing rod, the outer surface of the second fixing rod is movably connected with a second sliding block, a mounting plate is fixedly connected between two groups of second sliding blocks corresponding to the same positioning groove, a mounting groove is arranged at the joint of the positioning groove and the mounting plate, the inner surface of the mounting groove is communicated with the inner surface of the second sliding groove, a compression spring is arranged at the position of the outer surface of the second fixing rod close to one end, one end of the compression spring is fixedly connected with the inner surface of the second sliding groove, the other end of the compression spring is fixedly connected with the second sliding block, a second tooth is fixedly connected at the position of one side of the outer surface of the mounting plate far from the mounting groove close to the top end, and a plurality of groups of the first teeth are fixedly connected to one side of the outer surface of the movable plate far from the movable groove at equal distances, and the cross sections of the first teeth and the second teeth are arc-shaped, and a plurality of groups of balls are movably connected to the outer surfaces of one sides of the first teeth and the second teeth in an embedded mode.

At the during operation, promote the mould and the protruding mould piece combines together with the mould recess through the flexible post of control, at the in-process that the locating plate removed to the constant head tank inside, the locating plate drives the fly leaf and the first tooth on its surface extrudees the second tooth repeatedly, make it promote the mounting panel and drive the second slider extrusion compression spring at its both ends, realize the removal of locating plate in the constant head tank inside, thereby improve the stability of the last mould of in-process of moulding plastics, simultaneously at this in-process, through setting up the ball, the effectual wearing and tearing that have reduced first tooth and second tooth, thereby the life of device has been improved.

Preferably, the one end fixedly connected with a plurality of groups spliced poles of second tooth are kept away from to the surface of mounting panel, and the one end fixedly connected with striking ball of mounting panel is kept away from to the spliced pole, striking groove has been seted up to the inside of convex mould piece, and the inside in striking groove is provided with a plurality of groups striking block, striking block transversal personally submits triangle-shaped.

When the die is opened, the top plate is fixed with the outside, the upper die is driven to move upwards under the action of the telescopic column, the positioning plate moves upwards along the positioning groove under the drive of the upper die, and the first tooth extrusion and the second tooth are mutually meshed, so that in the process, when the first tooth corresponds to the second tooth, the first tooth repeatedly extrudes the second tooth to push the mounting plate to drive the second sliding blocks at two ends of the mounting plate to extrude the compression spring, and then the impact ball impacts the surface of the mounting groove to generate vibration, thereby improving the probability of separation of the die groove and the die and avoiding the occurrence of the condition of the die with the die, meanwhile, in the process that the impact ball repeatedly impacts the mounting groove to generate slight vibration, the impact blocks inside the impact groove are influenced by the vibration to mutually impact the impact and are mutually matched with the impact ball, and the probability of adhesion between the die and the die groove and the convex die block and the rejection rate of the die, when the location board and the constant head tank completely break away from, the fly leaf rotates again under torsion spring's effect and clears up the protruding mould piece.

Compared with the prior art, the invention has the beneficial effects that:

the device can utilize the scraper blade to scrape the surface of terrace die utensil piece along with the process that flexible post reciprocated at last mould, guarantee the planarization on terrace die utensil piece surface, thereby reduce the unrestrained rate of mould, simultaneously through setting up first tooth at the locating plate surface, when the die sinking, the roof is fixed with the outside, the mould rebound in the effect pull-down of flexible post, first tooth makes the internal surface of striking ball striking mounting groove to the extrusion of second tooth, the probability of mould production area mould situation on the reduction, thereby improve production quality and yield.

Drawings

FIG. 1 is a schematic structural view of the present invention;

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

FIG. 3 is an enlarged view of A of FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of B of FIG. 2 according to the present invention;

FIG. 5 is an enlarged view of C of FIG. 4 in accordance with the present invention;

FIG. 6 is an enlarged view of D of FIG. 2 of the present invention;

FIG. 7 is a combination view of the mounting plate of the present invention and an impact ball;

fig. 8 is an enlarged view of E of fig. 7 according to the present invention.

In the figure: 1. an upper die; 11. a convex mold block; 2. a telescopic column; 3. a top plate; 4. a lower die; 41. a mold recess; 42. an injection molding port; 43. positioning a groove; 431. a second chute; 432. a second slider; 433. mounting a plate; 434. mounting grooves; 435. connecting columns; 436. striking a ball; 437. an impact groove; 438. an impact block; 5. a positioning mechanism; 51. positioning a plate; 52. a first fixing lever; 53. a movable plate; 54. a torsion spring; 55. a first tooth; 56. a movable groove; 561. a first chute; 562. a limiting rod; 563. a first slider; 564. a first spring; 57. a squeegee; 571. a storage chamber; 572. a water injection hole; 573. an arc-shaped elastic plate; 574. heat insulation cotton; 575. a flow guide hole; 576. an air bag; 58. a second tooth; 59. a second fixing bar; 591. compressing the spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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.

Referring to fig. 1 to 8, the present invention provides a technical solution:

an injection molding mold is shown in fig. 1 and 2 and comprises an upper mold 1, a telescopic column 2, a top plate 3, a lower mold 4, a mold groove 41 and a positioning mechanism 5, wherein the telescopic column 2 is fixedly connected to the top of the upper mold 1, one end, far away from the upper mold 1, of the telescopic column 2 is fixedly connected with the top plate 3, one surface, far away from the telescopic column 2, of the upper mold 1 is fixedly connected with a convex mold block 11, the outer surface of the convex mold block 11 is movably connected with the lower mold 4, the outer surface of the lower mold 4 is provided with the mold groove 41, and an injection port 42 is formed in the outer surface of the front end of the lower mold 4 and corresponds to the mold groove 41;

the number of the positioning mechanisms 5 is two, two sets of the positioning mechanisms 5 are arranged at the positions, close to the two sides of the upper mold 1, of the outer surface of the lower end of the upper mold 1, positioning grooves 43 are formed in the positions, corresponding to the two sets of the positioning mechanisms 5, of the outer surface of the upper end of the lower mold 4, and the positioning grooves 43 are matched with the positioning mechanisms 5.

Through adopting above-mentioned technical scheme, at last mould 1 along with the process that flexible post 2 reciprocated, can utilize scraper blade 57 to scrape the surface of terrace die piece 11, guarantee the planarization on terrace die piece 11 surface to reduce the extravagant rate of mould, simultaneously through setting up positioning mechanism 5, reduce the probability that mould 1 piece produced the area mould situation, thereby improve production quality and yield.

As an embodiment of the present invention, as shown in fig. 2 to 8, the positioning mechanism 5 includes a positioning plate 51, a first fixing rod 52, a movable plate 53, a torsion spring 54, a first tooth 55, a second tooth 58 and a second fixing rod 59, the positioning plate 51 is fixedly connected to the outer surface of the lower end of the upper mold 1 at a position close to one side of the male mold block 11, a movable groove 56 is formed at one side of the outer surface of the positioning plate 51 close to the male mold block 11, first sliding grooves 561 are formed at two sides of the inner surface of the movable groove 56 close to the bottom end, a limiting rod 562 is fixedly connected inside the first sliding grooves 561, a first slider 563 is slidably connected to the outer surface of the limiting rod 562, a first spring 564 is disposed at a position close to one end of the outer surface of the limiting rod 562, one end of the first spring 564 is fixedly connected to the inner surface of the first sliding grooves 561, and the other end is fixedly connected to the first slider 563, two sets of first dead lever 52 of fixedly connected with between the first slider 563 that corresponds with same movable slot 56, and the surface swing joint of first dead lever 52 has fly leaf 53, the position that the surface of first dead lever 52 is located fly leaf 53 both sides all is provided with torsion spring 54, and torsion spring 54's one end and fly leaf 53 fixed connection, the other end and first slider 563 fixed connection, the one end fixedly connected with scraper blade 57 of first dead lever 52 is kept away from to fly leaf 53's surface, and scraper blade 57's transversal triangle-shaped that personally submits, and two sets of scraper blade 57 all is the arc with the protruding end that the terrace die block 11 corresponds, one side that fly leaf 53 was kept away from to scraper blade 57's surface closely laminates with the surface of terrace die block 11.

In the process of closing the dies, foreign matters and dust are easily attached to the surface of the male die block 11, particularly, when the male die block is produced in a factory with large dust particles, the foreign matters and dust are easily attached to the surface of the male die block 1 in the process of moving the upper die 1 up and down, so that the injection molding effect is influenced, even the produced product becomes waste, the waste rate is increased, in the process of working, the upper die 1 and the male die block 11 are pushed to be combined with the die groove 41 by controlling the telescopic column 2, then the plastic is guided into the die groove 41 through the injection port 42, in the process, when the positioning plate 51 is contacted with the positioning groove 43, the movable plate 53 rotates around the first fixed rod 52 in the direction close to the movable groove 56 under the extrusion of the positioning groove 43, and extrudes the first spring 564, so that the scraper 57 is always attached to the male die block 11 and scrapes the male die block 11, thereby ensuring the neatness of the surface of the male die block 11, and the protruding ends of the scraper 57 corresponding to the convex die block 11 are arc-shaped, so that the probability that the convex die block 11 is scratched by the scraper 57 in the process of cleaning the convex die block 11 is avoided.

As an embodiment of the present invention, as shown in fig. 4 and 5, a storage cavity 571 is formed between the scraper 57 and the movable plate 53, a water injection hole 572 is formed in an outer surface of one side of the storage cavity 571, a piston is disposed inside the water injection hole 572, an arc-shaped elastic plate 573 is fixedly connected to the outer surface of one side of the scraper 57, a heat insulation cotton 574 is fixedly connected to a side of the outer surface of the arc-shaped elastic plate 573, which is close to the convex mold block 11, a plurality of sets of flow guide holes 575 are formed in the outer surface of the arc-shaped elastic plate 573 and the interior of the storage cavity 571, and a sealed cavity is formed between the arc-shaped elastic plate 573 and the scraper 57.

During operation, foreign matters adhered to the surface of the male die block 11 can be scraped by the scraper 57, and meanwhile, in the rotating process of the scraper 57, the male die block 11 extrudes the arc elastic plate 573 by arranging the arc elastic plate, so that water flow in the storage cavity 571 is enabled to dip into the heat insulation cotton 574 through the flow guide hole 575 to wipe dust on the surface of the male die block 11, and therefore the cleanness of the surface of the male die block 11 is guaranteed.

As an embodiment of the present invention, as shown in fig. 5, an air bag 576 is fixedly connected to an inner surface of the arc-shaped elastic plate 573, two ends of the air bag 576 correspond to the arc-shaped elastic plate 573 and the flow guide holes 575 in the storage cavity 571, a hose is fixedly connected to the flow guide holes 575 in the storage cavity 571, and the hose is located in the storage cavity 571.

In the process that the convex mold block 11 repeatedly presses the arc-shaped elastic plate 573, the arc-shaped elastic plate 573 repeatedly presses the air bag 576, so that water in the storage cavity 571 is extracted by the hose, the water flow speed can be effectively controlled, and the wiping effect of the thermal insulation cotton 574 is ensured until the positioning plate 51 is completely matched with the positioning groove 43.

As an embodiment of the present invention, as shown in fig. 7 and 8, the front end and the rear end of the inner surface of the positioning groove 43 are both provided with a second sliding groove 431, the inner surface of the second sliding groove 431 is fixedly connected with a second fixing rod 59, the outer surface of the second fixing rod 59 is movably connected with a second slider 432, a mounting plate 433 is fixedly connected between two sets of second sliders 432 corresponding to the same positioning groove 43, the joint of the positioning groove 43 and the mounting plate 433 is provided with a mounting groove 434, the inner surface of the mounting groove 434 is communicated with the inner surface of the second sliding groove 431, a compression spring 591 is arranged at a position of the outer surface of the second fixing rod 59 close to one end, one end of the compression spring 591 is fixedly connected with the inner surface of the second sliding groove 431, the other end of the compression spring is fixedly connected with the second slider 432, a position of the outer surface of the mounting plate 433 close to the top end of the mounting groove 434 is fixedly connected with a second tooth 58, the first teeth 55 are fixedly connected to one side of the outer surface of the movable plate 53, which is far away from the movable groove 56, at equal distances, the cross sections of the first teeth 55 and the second teeth 58 are arc-shaped, and a plurality of groups of balls are movably connected to the outer surfaces of one sides of the first teeth 55 and the second teeth 58 in an embedded manner.

During operation, the upper die 1 and the convex die block 11 are pushed to be combined with the die groove 41 by controlling the telescopic column 2, and in the process that the positioning plate 51 moves towards the inside of the positioning groove 43, the positioning plate 51 drives the movable plate 53 and the first teeth 55 on the surface of the movable plate to repeatedly press the second teeth 58, so that the positioning plate 51 pushes the mounting plate 433 to drive the second sliding blocks 432 at the two ends of the mounting plate to press the compression springs 591, and the positioning plate 51 moves in the positioning groove 43, so that the stability of the upper die 1 in the injection molding process is improved, meanwhile, in the process, through arrangement of the balls, the abrasion of the first teeth 55 and the second teeth 58 is effectively reduced, and the service life of the device is prolonged.

As an embodiment of the present invention, as shown in fig. 2 and 7, a plurality of sets of connection columns 435 are fixedly connected to one end of the outer surface of the mounting plate 433, which is away from the second tooth 58, and an impact ball 436 is fixedly connected to one end of the connection columns 435, which is away from the mounting plate 433, an impact groove 437 is formed in the interior of the male mold block 11, a plurality of sets of impact blocks 438 are arranged in the impact groove 437, and the cross section of the impact blocks 438 is triangular.

When the mold is opened, the top plate 3 is fixed with the outside, the upper mold 1 is pulled to move upwards under the action of the telescopic column 2, the positioning plate 51 is driven by the upper mold 1 to move upwards along the positioning groove 43, because the first tooth 55 is extruded to be meshed with the second tooth 58, in the process, when the first tooth 55 corresponds to the second tooth 58, the first tooth 55 repeatedly extrudes the second tooth 58 to push the mounting plate 433 to drive the second sliding blocks 432 at the two ends to extrude the compression spring 591, and then the impact ball 436 impacts the surface of the mounting groove 434 to generate vibration, so that the probability of the separation of the mold groove 41 and the mold is improved, the occurrence of the mold-carrying condition is avoided, meanwhile, in the process of generating slight vibration by repeated impact of the impact ball 436 and the mounting groove 434, the impact block 438 in the impact groove 437 is impacted by the vibration to be matched with the impact ball 436, the probability of the adhesion of the mold and the mold groove 41 and the mold block 11 and the rejection rate of the mold are reduced, when the positioning plate 51 is completely disengaged from the positioning slot 43, the movable plate 53 rotates again under the action of the torsion spring 54 to clean the male mold block 11.

The working principle is as follows: during operation, the upper die 1 and the male die block 11 are pushed to be combined with the die groove 41 by controlling the telescopic column 2, then plastic is guided into the die groove 41 through the injection port 42, in the process, when the positioning plate 51 is in contact with the positioning groove 43, the movable plate 53 rotates around the first fixed rod 52 in the direction close to the movable groove 56 under the extrusion of the positioning groove 43, and extrudes the first spring 564, so that the scraper 57 is always attached to the male die block 11, and the male die block 11 is scraped, thereby ensuring the neatness of the surface of the male die block 11, and the protruding ends corresponding to the scraper 57 and the male die block 11 are all arc-shaped by arranging the scraper 57, so that the probability that the male die block 11 generates scratches during the process of cleaning the male die block 11 is avoided, and simultaneously, the male die block 11 extrudes the male die elastic plate 573 during the rotation of the scraper 57, so that water flow in the storage cavity 571 is immersed in heat insulation cotton through the flow guide holes 575 to wipe dust on the surface of the male die block 11 And in the process, the arc-shaped elastic plate 573 repeatedly extrudes the air bag 576, so that the water in the storage cavity 571 is extracted by the hose, the water flow speed can be effectively controlled, and the wiping effect of the heat insulation cotton 574 is ensured until the positioning plate 51 is completely matched with the positioning groove 43;

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an injection moulding mould, includes upper die (1), flexible post (2), roof (3), bed die (4), mould recess (41) and positioning mechanism (5), its characterized in that: the top of the upper die (1) is fixedly connected with a telescopic column (2), one end, far away from the upper die (1), of the telescopic column (2) is fixedly connected with the top plate (3), one side, far away from the telescopic column (2), of the upper die (1) is fixedly connected with a convex die block (11), the outer surface of the convex die block (11) is movably connected with a lower die (4), a die groove (41) is formed in the outer surface of the lower die (4), and an injection molding opening (42) is formed in the position, corresponding to the die groove (41), of the outer surface of the front end of the lower die (4);

the quantity of positioning mechanism (5) is two sets of, two sets of positioning mechanism (5) set up in the position that the lower extreme surface of last mould (1) is close to last mould (1) both sides, constant head tank (43) have all been seted up with the position that two sets of positioning mechanism (5) correspond to the upper end surface of bed die (4), and constant head tank (43) coincide each other with positioning mechanism (5).

2. An injection molding mold as claimed in claim 1, wherein: the positioning mechanism (5) comprises a positioning plate (51), a first fixing rod (52), a movable plate (53), a torsion spring (54), a first tooth (55), a second tooth (58) and a second fixing rod (59), the positioning plate (51) is fixedly connected to the position, close to one side of the convex mold block (11), of the outer surface of the lower end of the upper mold (1), a movable groove (56) is formed in one side, close to the convex mold block (11), of the outer surface of the positioning plate (51), first sliding grooves (561) are formed in the positions, close to the bottom ends, of the two sides of the inner surface of the movable groove (56), a limiting rod (562) is fixedly connected to the inside of the first sliding grooves (561), a first sliding block (563) is slidably connected to the outer surface of the limiting rod (562), a first spring (564) is arranged in the position, close to one end, of the outer surface of the limiting rod (562), one end of the first spring (564) is fixedly connected to the inner surface of the first sliding grooves (561), the other end is fixedly connected with a first slide block (563), a first fixed rod (52) is fixedly connected between two groups of first slide blocks (563) corresponding to the same movable groove (56), and the outer surface of the first fixed rod (52) is movably connected with a movable plate (53), the outer surface of the first fixed rod (52) is provided with torsion springs (54) at the positions at the two sides of the movable plate (53), one end of the torsion spring (54) is fixedly connected with the movable plate (53), the other end is fixedly connected with the first sliding block (563), one end of the outer surface of the movable plate (53) far away from the first fixed rod (52) is fixedly connected with a scraping plate (57), the cross section of the scrapers (57) is triangular, the protruding ends of the two groups of scrapers (57) corresponding to the male die block (11) are arc-shaped, one side of the outer surface of the scraper (57) far away from the movable plate (53) is tightly attached to the outer surface of the male die block (11).

3. An injection molding mold as claimed in claim 2, wherein: a storage cavity (571) is formed between the scraper (57) and the movable plate (53), a water injection hole (572) is formed in the outer surface of one side of the storage cavity (571), a piston is arranged in the water injection hole (572), an arc-shaped elastic plate (573) is fixedly connected to the outer surface of one side of the scraper (57), heat insulation cotton (574) is fixedly connected to one side of the outer surface of the arc-shaped elastic plate (573) close to the convex die block (11), a plurality of groups of flow guide holes (575) are formed in the outer surface of the arc-shaped elastic plate (573) and the inner portion of the storage cavity (571), and a sealing cavity is formed between the arc-shaped elastic plate (573) and the scraper (57).

4. An injection molding mold as claimed in claim 3, wherein: the inner surface of the arc-shaped elastic plate (573) is fixedly connected with an air bag (576), two ends of the air bag (576) correspond to the arc-shaped elastic plate (573) and the flow guide holes (575) in the storage cavity (571), the flow guide holes (575) in the storage cavity (571) are fixedly connected with a hose, and the hose is located in the storage cavity (571).

5. An injection molding mold as claimed in claim 4, wherein: the front end and the rear end of the inner surface of the positioning groove (43) are respectively provided with a second sliding groove (431), a second fixing rod (59) is fixedly connected to the inner surface of the second sliding groove (431), a second sliding block (432) is movably connected to the outer surface of the second fixing rod (59), a mounting plate (433) is fixedly connected between two groups of second sliding blocks (432) corresponding to the same positioning groove (43), a mounting groove (434) is formed at the joint of the positioning groove (43) and the mounting plate (433), the inner surface of the mounting groove (434) is communicated with the inner surface of the second sliding groove (431), a compression spring (591) is arranged at the position, close to one end, of the outer surface of the second fixing rod (59), one end of the compression spring (591) is fixedly connected with the inner surface of the second sliding groove (431), the other end of the compression spring is fixedly connected with the second sliding block (432), and a second tooth (58) is fixedly connected to the position, close to the top end, far away from the side of the mounting groove (434) of the outer surface of the mounting plate (433) ) The first teeth (55) are fixedly connected to one side, away from the movable groove (56), of the outer surface of the movable plate (53) at equal distances, the cross sections of the first teeth (55) and the second teeth (58) are arc-shaped, and a plurality of groups of balls are movably connected to the outer surfaces of one sides of the first teeth (55) and the second teeth (58) in an embedded mode.

6. An injection molding mold as claimed in claim 5, wherein: the one end fixedly connected with a plurality of groups spliced pole (435) of second tooth (58) are kept away from to the surface of mounting panel (433), and spliced pole (435) keep away from the one end fixedly connected with striking ball (436) of mounting panel (433), striking groove (437) have been seted up to the inside of convex mould piece (11), and the inside in striking groove (437) is provided with a plurality of groups striking block (438), the cross-section of striking block (438) is personally submitted the triangle-shaped.