CN213107988U

CN213107988U - Plastic casing four sides loose core mould

Info

Publication number: CN213107988U
Application number: CN202021311580.3U
Authority: CN
Inventors: 庄志南
Original assignee: Quanzhou Shangjia Mould Co ltd
Current assignee: Quanzhou Shangjia Mould Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-05-04
Anticipated expiration: 2030-07-07

Abstract

The utility model discloses a plastic casing four sides loose core mould, which belongs to the technical field of plastic part production, and comprises a fixed mould and a movable mould, wherein the movable mould is provided with a first side pulling mechanism and a second side pulling mechanism which are opposite to pull core, the fixed mould comprises a panel, a water gap plate, an upper mould blank and an upper mould core, the fixed mould is internally provided with an inclined pulling mechanism, the inclined pulling mechanism comprises an inclined slider and a driving piece, the inclined slider is provided with a double inclined pulling structure and is connected with the upper mould core through a T-shaped groove in a sliding way, the driving piece is an L-shaped pulling block with one end arranged on the panel and the other end extending into the inclined slider, a mould opening mechanism is arranged between the panel, the water gap plate and the upper mould blank, the movable mould comprises a bottom plate, square iron, a lower mould blank, a lower mould core and an ejection device, the lower mould core is internally provided with an inner core pulling mechanism and an inclined top, the inner core pulling mechanism, can ensure smooth demoulding of the buckling position in the plastic shell.

Description

Plastic casing four sides loose core mould

Technical Field

The utility model discloses a plastic casing four sides loose core mould belongs to plastic part production technical field.

Background

With the continuous development of economy and the continuous progress of society, various material consumer goods are provided for the life of people so as to meet the individual pursuit of people, and a plastic product is one of the material consumer goods. As is known, plastic products are formed by plastic molds. Because the plastic product formed by the plastic mold has the advantages of good quality, high efficiency, low cost and the like, the plastic mold is widely popularized and applied in various industries, and the plastic mold is more and more favored by the manufacturing industry.

When the plastic casing has four sides and detains the position, just need to use the four sides structure of loosing core, as shown in fig. 1, it has two-way first side to take out (A) and second side to take out (B), and this type of demoulding structure is all more ordinary, in case involve upwards loose core (C) and interior loose core, and whole mould just becomes complicated, and especially when two structures of loosing core have the difference in height (including D, E, E's horizontal distance is big), rely on traditional four sides to loose core and can not realize the drawing of patterns smoothly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a plastic casing four sides loose core mould in order to solve the problem among the prior art.

The utility model achieves the purpose through the following technical scheme, a plastic casing four sides loose core mould comprises a fixed mould and a movable mould, wherein the movable mould is provided with a first side pulling mechanism and a second side pulling mechanism which are used for pulling cores in opposite directions, the fixed mould comprises a panel, a water gap plate, an upper mould blank and an upper mould core, the fixed mould is internally provided with an inclined pulling mechanism, the inclined pulling mechanism comprises an inclined slider and a driving piece, the inclined slider is provided with a double inclined pulling structure and is connected with the upper mould core in a sliding way through a T-shaped groove, the driving piece is an L-shaped pulling block with one end installed on the panel and the other end extending into the inclined slider, a mould opening mechanism is arranged among the panel, the water gap plate and the upper mould blank, the movable mould comprises a bottom plate, square iron, a lower mould blank, a lower mould core and an ejection device, the lower mould core is internally provided with an inner core pulling mechanism and an inclined top, the inner core pulling, the inclined top penetrates through the inner core-pulling mechanism and extends into the lower die core.

Through adopting above-mentioned technical scheme, set up the driving piece, after panel and mouth of a river board die sinking, can stimulate oblique slider to slide along last mould benevolence and accomplish to take out the action to one side, the plastic casing four sides are loosed core and are taken out mechanism and second side and take out the mechanism and realize, interior mechanism of loosing core is taken out core in the drive of linkage and first side mechanism of taking out realization, and can not influence ejecting device and drive the oblique top and carry out the secondary drawing of patterns to the inside knot position of plastic casing, thereby accomplish the demolding of plastic casing, guarantee the smooth shaping of product, drawing of patterns and ejecting action, compact structure, therefore, the clothes hanger is strong in practicability.

Preferably, the inner core-pulling mechanism comprises an inner core-pulling sliding block, the inner core-pulling sliding block is provided with a first cavity used for inclined ejection, and the linkage device comprises a linkage rod with a T-shaped draw hook at one end.

By adopting the technical scheme, when the first side pulling mechanism moves, the inner core pulling sliding block is driven to move through the linkage rod, so that the inner core pulling action is completed, the size of the inclined top can be reduced, and the core pulling structure is simplified.

Preferably, a second cavity used for delaying and driving the linkage device to move is arranged in the first side pumping mechanism.

By adopting the technical scheme, when the first side core pulling mechanism is laterally pulled, the linkage device and the inner core pulling mechanism are not moved, and after the first side core pulling mechanism moves for a certain distance, the inner core pulling action is carried out, so that the phenomenon that the product is damaged due to overlarge pulling force caused by synchronous movement of the linkage device and the inner core pulling mechanism is avoided.

Preferably, the first side pulling mechanism comprises a first side pulling block, the second side pulling mechanism comprises a second side pulling block, the upper mold blank is provided with an inclined guide post for driving the first side pulling block and the second side pulling block to move, and the lower mold blank is provided with a pressing strip and a guide block.

By adopting the technical scheme, after the upper die blank and the lower die blank are opened, the inclined guide post can drive the first side core pulling block and the second side core pulling block to move, so that the four-side core pulling action is completed, and the pressing strip and the guide block can keep the two to directionally slide.

Preferably, a nozzle insert is arranged on the nozzle plate, an injection flow channel is arranged on one side, close to the panel, of the nozzle insert and the nozzle plate, and a crochet needle extending into the injection flow channel is arranged on the panel.

Through adopting above-mentioned technical scheme, set up the mouth of a river mold insert, it can make things convenient for the installation of oblique slider to it is spacing to better oblique slider, and the crochet hook can be pulled out the injection runner of glue dispensing mouth from the mouth of a river board, realizes the automatic discharge of mouth of a river material.

Preferably, the die sinking mechanism comprises a small pull rod and a first spring, and a nylon plug is arranged between the upper die blank and the lower die blank.

Through adopting above-mentioned technical scheme, set up the nylon stopper for have certain tensioning force of giving between last mould embryo and the lower mould embryo, guarantee panel and the first die sinking of mouth of a river board, little pull rod can make mouth of a river board and last mould embryo die sinking after certain distance open mould embryo and lower mould embryo afterwards.

Preferably, the upper die core is provided with a second spring for boosting the movement of the inclined slide block.

Through adopting above-mentioned technical scheme, after panel and nozzle plate die sinking, can exert thrust to oblique slider through the second spring to realize the slant and loose core in advance.

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

Drawings

FIG. 1 is a block diagram of a plastic housing;

FIG. 2 is a schematic structural view of the fixed mold of the present invention;

FIG. 3 is a schematic structural view of the middle moving mold of the present invention;

FIG. 4 is a mounting structure diagram of the mold opening mechanism of the present invention;

FIG. 5 is a view showing the structure of the upper mold core and the inclined drawing mechanism of the present invention;

fig. 6 is a schematic structural view of the inclined drawing mechanism of the present invention;

fig. 7 is a schematic structural diagram of the inner core-pulling mechanism of the present invention.

Reference numerals: 1. an upper die core; 2. a small pull rod; 3. feeding the mold blank; 4. an inclined guide post; 5. an inclined pumping mechanism; 6. a panel; 7. a water gap plate; 8. blanking the mold blank; 9. a first side pumping mechanism; 10. a second side pumping mechanism; 11. a nylon plug; 12. square iron; 13. an ejection device; 14. a base plate; 15. a guide block; 16. layering; 17. a first spring; 18. an injection flow channel; 19. a water gap insert; 20. a linkage rod; 21. hooking a needle; 22. an inclined slide block; 23. a drive member; 24. a second spring; 25. the first side drawing slide block; 26. a lower die core; 27. an inner core-pulling slider; 28. obliquely ejecting; 29. a first cavity; 30. a second cavity; 31. t groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 2-7, a four-side core pulling mold for plastic shells comprises a fixed mold and a movable mold, wherein the fixed mold mainly comprises a panel 6, a nozzle plate 7, an upper mold blank 3 and an upper mold core 1, the movable mold mainly comprises a lower mold blank 8, a square iron 12, an ejection device 13, a bottom plate 14 and a lower mold core 26, an inclined pulling mechanism 5 is arranged in the upper mold core 1 and comprises an inclined slider 22 and a driving member 23, the inclined slider 22 has a double inclined pulling structure and is slidably connected with the upper mold core 1 through a T-shaped slot 31, the driving member 23 is an L-shaped pulling block, one end of the inclined slider 22 penetrates through the nozzle plate 7 and is horizontally slidably connected with the driving member 23, the driving member 23 is fixed on the panel 6 through bolts, a mold opening mechanism is arranged between the panel 6, the nozzle plate 7 and the upper mold blank 3, the mold opening mechanism mainly comprises a small pull rod 2 and a first spring 17, wherein the first spring 17 is arranged between the panel 6 and the, a nylon plug 11 is arranged between the upper mold blank 3 and the lower mold blank 8 and is used for increasing the tension between the upper mold blank 3 and the lower mold blank 8, after the injection molding is finished, the mold is firstly opened between the face plate 6 and the nozzle plate 7, so that the driving piece 23 pulls the inclined slide block 22 to slide along the upper mold core 1, thereby completing the inclined drawing and demoulding action, and the second spring 24 arranged in the upper mould core 1 can complete the thrust applied to the inclined slide block 22 before the inclined drawing, so as to realize the pre-demoulding effect, and a water gap insert 19 is arranged between the two driving pieces 23, the installation of slider 22 to one side can be conveniently leaned on to it, and better slider 22 is spacing to one side that mouth of a river mold insert 19 and nozzle plate 7 are close to panel 6 is provided with injection runner 18, is provided with the crochet hook 21 that stretches into in the injection runner 18 on the panel 6, and the crochet hook 21 can be pulled out the injection runner 18 of some jiao kou from nozzle plate 7, realizes the automatic discharge of mouth of a river material.

A first side pulling mechanism 9 and a second side pulling mechanism 10 which are pulled towards the opposite sides are arranged on a lower die core 26, the first side pulling mechanism 9 comprises a first side pulling block 25, the second side pulling mechanism 10 comprises a second side pulling block, a plurality of inclined guide posts 4 are fixedly arranged on an upper die blank 3, one ends of the inclined guide posts 4 extend into the first side pulling block 25 and the second side pulling block, a pressing strip 16 and a guide block 15 are arranged on the lower die blank 8, the first side pulling block 25 and the second side pulling block play a role in guiding when sliding, an inner core pulling mechanism and an inclined top 28 are arranged in the lower die core 26, a linkage device is arranged between the inner core pulling mechanism and the first side pulling mechanism 9, the inner core pulling mechanism is an inner core pulling block 27, the linkage device is a linkage rod 20, one end of the linkage rod is provided with a T-shaped drag hook and is in sliding clamping connection with the inner core pulling block 27, and the other end of the linkage rod extends into the first side pulling block 25, meanwhile, the second cavity 30 is arranged in the first side drawing slider 25, when the first side drawing slider 25 just starts to slide and side draw, the linkage rod 20 is firstly fixed, and after the first side drawing slider moves for a certain distance, the inner core drawing action is carried out, so that the phenomenon that the product is damaged due to overlarge tension caused by the synchronous movement of the first side drawing slider and the inner core drawing is avoided.

In this embodiment, there are other locking positions in the plastic housing, although the direction of the mold release is consistent with the direction of the inner core-pulling slide block 27, however, the two have a height difference in the vertical direction, so that the inclined top 28 is required to be used for demoulding, one end of the inclined top 28 is installed on the ejection device 13, the other end of the inclined top 28 penetrates through the inner core-pulling slide block 27 and extends into the lower mold core 26, the movement of the ejection device 13 is used for driving the inclined top 28 to move obliquely, thereby completing the integral demoulding of the plastic shell and effectively ensuring the production quality of the product, and the inner core-pulling slide block 27 is internally provided with a first cavity 29, the movement of the inclined top 28 is not interfered, and the inclined top 28 and the inner core pulling slide block 27 respectively act, instead of simply adopting the inclined top 28 demoulding two-position buckling structure (the plastic shell is provided with a plurality of horizontal inner mounting holes), thereby effectively simplifying the demoulding structure of the mould and having strong practicability.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a plastic casing four sides loose core mould, includes cover half and movable mould, be provided with first side that the subtend was loosed core on the movable mould and take out mechanism (9) and second side and take out mechanism (10), a serial communication port, the cover half includes panel (6), water gap board (7), goes up mould embryo (3) and last mould benevolence (1), be provided with in the cover half and take out mechanism (5) to one side, take out mechanism (5) to one side including oblique slider (22), driving piece (23), slider (22) have two oblique structures of taking out to pass through T groove (31) sliding connection with last mould benevolence (1), driving piece (23) are installed on panel (6) for one end, and the other end stretches into the L shape in oblique slider (22) and draws the piece, be provided with die sinking mechanism between panel (6), water gap board (7), the last mould embryo (3), the movable mould includes bottom plate (14), square iron (12), The lower die comprises a lower die blank (8), a lower die core (26) and an ejection device (13), wherein an inner core pulling mechanism and an inclined ejector (28) are arranged in the lower die core (26), the inner core pulling mechanism and a first side core pulling mechanism (9) are provided with a linkage device, and the inclined ejector (28) penetrates through the inner core pulling mechanism and extends into the lower die core (26).

2. The four-sided core pulling mold for the plastic shells as claimed in claim 1, wherein the inner core pulling mechanism comprises an inner core pulling slider (27), the inner core pulling slider (27) is provided with a first cavity (29) for the movement of an inclined top (28), and the linkage device comprises a linkage rod (20) with a T-shaped pulling hook at one end.

3. The four-sided core pulling mold for the plastic shells as claimed in claim 2, wherein a second cavity (30) for delaying the movement of the driving linkage device is arranged in the first side pulling mechanism (9).

4. The four-sided core pulling mold for the plastic shell as claimed in claim 3, wherein the first side pulling mechanism (9) comprises a first side pulling block (25), the second side pulling mechanism (10) comprises a second side pulling block, the upper mold blank (3) is provided with an inclined guide post (4) for driving the first side pulling block (25) and the second side pulling block to move, and the lower mold blank (8) is provided with a pressing strip (16) and a guide block (15).

5. The four-sided core pulling mold for the plastic shells as claimed in claim 4, wherein the nozzle plate (7) is provided with a nozzle insert (19), one side of the nozzle insert (19) and the nozzle plate (7) close to the face plate (6) is provided with an injection runner (18), and the face plate (6) is provided with a crochet hook (21) extending into the injection runner (18).

6. The four-side loose core die for the plastic shell is characterized in that the die opening mechanism comprises a small pull rod (2) and a first spring (17), and a nylon plug (11) is arranged between the upper die blank (3) and the lower die blank (8).

7. The four-sided core pulling mold for the plastic shell as claimed in claim 6, wherein the upper mold core (1) is provided with a second spring (24) for assisting the movement of the inclined slide block (22).