CN214111254U

CN214111254U - Split stacking demoulding mechanism of light truck rubber-coated plate injection mould

Info

Publication number: CN214111254U
Application number: CN202022277569.6U
Authority: CN
Inventors: 郑敏军
Original assignee: Zhejiang Yixiang Plastic Mould Co ltd
Current assignee: Zhejiang Yixiang Plastic Mould Co ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-09-03
Anticipated expiration: 2030-10-14

Abstract

The utility model provides a light-duty truck package offset plate injection mold components of a whole that can function independently stack demoulding mechanism belongs to mould technical field. The forming die comprises an upper die and a lower die, wherein two forming cavities symmetrically arranged along the central line of the lower die are arranged between the upper die and the lower die, a bottom plate is further arranged at the bottom of the lower die, a thimble fixing plate is movably connected between the bottom plate and the lower die, and a straight ejection assembly and an inclined ejection assembly which are connected with the forming cavities are arranged on the thimble fixing plate. Two molding cavities formed by combining the upper die and the lower die can simultaneously perform injection molding on two symmetrical rubber coating plates on two sides of the light truck, the injection molding efficiency can be improved, the rubber coating plates of the light truck are externally connected with a driving mechanism, the driving mechanism can drive a thimble fixing plate to move along the vertical direction, the thimble fixing plate can drive a straight ejection assembly and an inclined ejection assembly to move along the vertical direction, and the straight ejection assembly and the inclined ejection assembly can be matched to eject the inverted buckle part of a product without damage, so that the qualified rate of finished products is improved.

Description

Split stacking demoulding mechanism of light truck rubber-coated plate injection mould

Technical Field

The utility model belongs to the technical field of the mould, a light truck rubber coating board injection mold components of a whole that can function independently stack demoulding mechanism is related to.

Background

A plastic mold is a tool for producing plastic articles and is formed from several component parts, the combination of which has a molding cavity. During injection molding, a mold is clamped on an injection molding machine, molten plastic is injected into a forming mold cavity and is cooled and shaped in the cavity, then an upper mold and a lower mold are separated, a product is ejected out of the mold from the mold cavity through an ejection system, and finally the mold is closed again for next injection molding, wherein the whole injection molding process is performed in a circulating manner; at present, a light truck rubber coating plate is generally formed by injection molding, when the rubber coating plate is demoulded after being formed, because a product has more inversed buckles embedded into a lower die, a demoulding mechanism in the prior art easily causes damage to the inversed buckle part of the product during ejection of the product, and thus the quality of the product is influenced.

In order to overcome the defects of the prior art, people continuously explore and propose various solutions, for example, a mold and an ejection mechanism are disclosed in the chinese patent application No.: 202010202731.X ], comprising a fixing plate, a thimble assembly, a push plate, a fastener assembly, a first insert, a second insert, and a mold core. Be equipped with the ejector pin on the thimble assembly, the ejector pin movably wears to establish the fixed plate and with the product butt, the thimble assembly can be done and be close to or keep away from the motion of fixed plate. The push plate sets up and keeps away from thimble assembly one side at the fixed plate to the push plate is through first locating part and fixed plate swing joint. One end of the button machine component is fixedly connected with the thimble component, and the other end of the button machine component is connected with or separated from the push plate. The first insert is fixedly connected with the fixing plate. The second insert is movably arranged on the push plate and movably connected with the fixing plate through a second limiting part. The mold core is fixedly arranged on the push plate. The ejection mechanism simplifies the structure, so that the ejection mechanism is simpler to process, more convenient to assemble, low in cost and reliable to use, but the problems also exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, a light-duty truck package offset plate injection mold components of a whole that can function independently stack demoulding mechanism is provided.

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

the utility model provides a light truck rubber coating board injection mold components of a whole that can function independently stack demoulding mechanism, includes mould and lower mould, last mould and lower mould between be equipped with two shaping chambeies that set up along the central line symmetry of lower mould, lower mould bottom still be equipped with the bottom plate, bottom plate and lower mould between swing joint have a thimble fixed plate, thimble fixed plate on be equipped with and become the straight subassembly and the oblique subassembly that push up that the chamber links to each other.

In the split stacking demoulding mechanism of the light truck rubber-coated plate injection mould, the lower mould is further provided with two lower core moulds which are symmetrically arranged along the central line of the lower mould, the tops of the two lower core moulds are further provided with the upper core mould, and the lower core mould and the upper core mould are both detachably arranged.

In foretell light-duty truck package offset plate injection mold components of a whole that can function independently stack demoulding mechanism, the oblique ejector pin subassembly include two central line symmetries along the lower mould and the oblique ejector pin that sets up that inclines, an oblique ejector pin can follow horizontal circumferential direction and rotate, an oblique ejector pin tip run through lower mould, lower mandrel and last mandrel in proper order, an oblique ejector pin tip even have an oblique kicking block.

In foretell light-duty truck package offset plate injection mold components of a whole that can function independently stack demoulding mechanism, the oblique ejector pin subassembly still include two along the central line symmetry of lower mould and No. two oblique ejector pins that the slope set up, No. two oblique ejector pins can follow vertical circumferential direction and rotate, No. two oblique ejector pin tip run through lower mould and last core mould in proper order, No. two oblique ejector pin tip even have No. two oblique kicking blocks.

In foretell light-duty truck package offset plate injection mold components of a whole that can function independently stack demoulding mechanism, the lower mould on be equipped with respectively with a spacing groove of an oblique ejector pin and No. two oblique ejector pin looks adaptations, No. two oblique ejector pins pass a spacing groove and link to each other with No. two oblique kicking blocks, the lower mandrel on still be equipped with No. two spacing grooves of horizontal setting, the cross-section of No. two spacing grooves be the strip and with a spacing groove looks adaptation, an oblique ejector pin pass a spacing groove and No. two spacing grooves and link to each other with an oblique kicking block.

In the split stacking demoulding mechanism of the light truck rubber-covered plate injection mould, the first inclined ejector rod and the second inclined ejector rod are hinged with the ejector pin fixing plate, and the tops of the first inclined ejector block and the second inclined ejector block are flush with the top of the lower core mould.

In the split stacking demoulding mechanism of the light truck rubber-covered plate injection mould, the straight ejection component comprises a plurality of straight ejection pins which are fixed on the ejection pin fixing plate and are vertically arranged, and the tops of the straight ejection pins are connected with the forming cavity.

In the split overlapping demoulding mechanism of the light truck rubber-covered plate injection mould, the end part of a part of the straight thimble is also connected with the straight ejector block, and the top of the straight ejector block is connected with the forming cavity.

In the split stacking demoulding mechanism of the light truck rubber-coated plate injection mould, the lower mould is also provided with a plurality of pouring runners, the end parts of the pouring runners are connected with the forming cavity, and the pouring runners are arranged along the circumferential direction of the forming cavity.

In the split superposition demolding mechanism for the light truck rubber-coated plate injection mold, the upper mold is also provided with a plurality of injection molding pipes which correspond to the pouring runners one by one.

Compared with the prior art, the utility model has the advantages of:

1. two molding cavities formed by combining the upper die and the lower die can simultaneously perform injection molding on two symmetrical rubber coating plates on two sides of the light truck, the injection molding efficiency can be improved, the rubber coating plates of the light truck are externally connected with a driving mechanism, the driving mechanism can drive a thimble fixing plate to move along the vertical direction, the thimble fixing plate can drive a straight ejection assembly and an inclined ejection assembly to move along the vertical direction, and the straight ejection assembly and the inclined ejection assembly can be matched to eject the inverted buckle part of a product without damage, so that the qualified rate of finished products is improved.

2. The lower core die and the upper core die which are detachably arranged can be conveniently detached and cleaned, and the maintenance and replacement cost of the lower die in the damage process can be reduced.

3. When the thimble fixing plate vertically moves upwards, the oblique ejector rod can rotate transversely along the junction of the oblique ejector rod and the thimble fixing plate by a small range so as to eject the back-off of the position without damage, and the oblique ejector block can increase the contact area between the oblique ejector rod and a product, thereby preventing the product from being damaged by jacking and influencing the product quality.

4. When the vertical upward movement of thimble fixed plate, thereby No. two oblique ejector pins can carry out longitudinal rotation of small range along No. two oblique ejector pins and thimble fixed plate's junction and can hinder ejecting with the back-off at this position, and No. two oblique kicking blocks can increase the area of contact between No. two oblique ejector pins and the product, prevent to prop up the product and hinder, influence product quality.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic cross-sectional view provided by the present invention;

FIG. 2 is a schematic view of the structure of the lower mold;

fig. 3 is a schematic structural view of the straight roof assembly and the pitched roof assembly.

Detailed Description

As shown in fig. 1-3, the split-type superposed demolding mechanism for the light truck rubber-coated plate injection mold comprises an upper mold 1 and a lower mold 2, wherein two molding cavities 3 symmetrically arranged along the central line of the lower mold 2 are arranged between the upper mold 1 and the lower mold 2, a bottom plate 4 is further arranged at the bottom of the lower mold 2, a thimble fixing plate 5 is movably connected between the bottom plate 4 and the lower mold 2, and a straight ejection assembly 6 and an inclined ejection assembly 7 connected with the molding cavities 3 are arranged on the thimble fixing plate 5.

In this embodiment, go up two shaping chambeies 3 that mould 1 and lower mould 2 combination formed and can injection moulding light truck's both sides two symmetrical rubber coating boards simultaneously, can improve the efficiency of moulding plastics, light truck rubber coating board external actuating mechanism, actuating mechanism can drive thimble fixed plate 5 and move along vertical direction, thimble fixed plate 5 can drive straight subassembly 6 and the motion of oblique top subassembly 7 along vertical direction motion, straight subassembly 6 and the cooperation of oblique top subassembly 7 can be with the back-off part of product not hinder ejecting, thereby improve off-the-shelf qualification rate.

Preferably, as shown in fig. 1-3, two lower core molds 8 symmetrically arranged along the center line of the lower mold 2 are further provided on the lower mold 2, an upper core mold 9 is further provided on the top of the two lower core molds 8, and both the lower core mold 8 and the upper core mold 9 can be detachably arranged. The lower core die 8 and the upper core die 9 which are detachably arranged can be conveniently detached and cleaned, and the maintenance and replacement cost of the lower die in damage can be reduced.

Preferably, as shown in fig. 1-3, the lifter assembly 7 includes two first lifter rods 10 that are symmetrically and obliquely arranged along a center line of the lower die 2, the first lifter rods 10 can rotate along a transverse circumferential direction, an end of the first lifter rods 10 sequentially penetrates through the lower die 2, the lower core die 8 and the upper core die 9, and an end of the first lifter rods 10 is connected with a first lifter block 11. When the thimble fixing plate vertically moves upwards, the first oblique ejector rod 10 can transversely rotate along the joint of the first oblique ejector rod 10 and the thimble fixing plate by a small amplitude, so that the back-off of the position can be ejected without damage, and the first oblique ejector block 11 can increase the contact area between the first oblique ejector rod 10 and a product, so that the product is prevented from being damaged by being ejected and the product quality is prevented from being influenced.

Preferably, as shown in fig. 1 to 3, the lifter assembly 7 further includes two second lifter rods 12 which are symmetrically and obliquely arranged along the center line of the lower die 2, the second lifter rods 12 can rotate along the longitudinal circumferential direction, the end portions of the second lifter rods 12 sequentially penetrate through the lower die 2 and the upper core die 9, and the end portions of the second lifter rods 12 are connected with second lifter blocks 13. When the thimble fixing plate moves vertically upwards, the second oblique ejector rod 12 can rotate longitudinally along the joint of the second oblique ejector rod 12 and the thimble fixing plate by a small amplitude, so that the reverse buckle at the position can be ejected without damage, and the second oblique ejector block 13 can increase the contact area between the second oblique ejector rod 12 and a product, so that the product is prevented from being damaged by being pushed and the product quality is prevented from being influenced.

Preferably, as shown in fig. 1-3, a first limit groove adapted to a first inclined mandril 10 and a second inclined mandril 12 are respectively arranged on the lower die 2, the second inclined mandril 12 passes through the first limit groove to be connected with a second inclined mandril 13, a second limit groove 14 transversely arranged is further arranged on the lower core die 8, the cross section of the second limit groove 14 is strip-shaped and adapted to the first limit groove, and the first inclined mandril 10 passes through the first limit groove and the second limit groove 14 to be connected with the first inclined mandril 11. The first limiting groove can limit the second oblique ejector rod 12 to prevent the product from being damaged due to the fact that the rotation angle of the first limiting groove is too large, the first limiting groove is matched with the second limiting groove 14 to limit the first oblique ejector rod 10 to prevent the product from being damaged due to the fact that the rotation angle of the first limiting groove is too large.

Preferably, as shown in fig. 1-3, the first inclined ejector rod 10 and the second inclined ejector rod 12 are both hinged to the ejector fixing plate 5, so that the first inclined ejector rod 10 and the second inclined ejector rod 12 can rotate when ejecting a product, and the tops of the first inclined ejector block 11 and the second inclined ejector block 13 are both flush with the top of the lower core mold 8.

Preferably, as shown in fig. 1-3, the straight-ejecting assembly 6 includes a plurality of straight ejecting pins 15 fixed on the pin fixing plate 5 and vertically arranged, and the tops of the straight ejecting pins 15 are connected with the molding cavity 3. When the thimble fixing plate vertically moves upwards, the straight thimble 15 can apply a vertically upward thrust to the product, and can be matched with the inclined ejection assembly to eject the product without damage.

Preferably, as shown in fig. 1-3, a straight top block 16 is further connected to the end of the partial straight top needle 15, and the top of the straight top block 16 is connected to the molding cavity 3. The straight ejector block 16 can increase the contact area between the straight ejector pin 15 and the product, and prevent the straight ejector pin from ejecting damage to the easily damaged part of the product to influence the product quality.

Preferably, as shown in fig. 1 to 3, the lower mold 2 is further provided with a plurality of pouring runners 17, ends of the pouring runners 17 are connected with the molding cavity 3, and the pouring runners 17 are arranged along the circumferential direction of the molding cavity 3. The upper die 1 is also provided with a plurality of injection molding pipes 18 which are in one-to-one correspondence with the pouring runners 17. A plurality of injection molding pipes 18 are matched with the pouring runner 17, injection molding can be carried out from all parts of the molding cavity, the injection molding efficiency can be effectively improved, and the production efficiency of products is improved.

The utility model discloses a theory of operation is: the upper die 1 and the lower die 2 are combined to form two forming cavities 3 which can simultaneously perform injection molding on two symmetrical rubber-coated plates on two sides of a light truck, the injection molding efficiency can be improved, the rubber-coated plates of the light truck are externally connected with a driving mechanism, the driving mechanism can drive the thimble fixing plate 5 to move along the vertical direction, the thimble fixing plate 5 can drive the straight ejection assembly 6 and the inclined ejection assembly 7 to move along the vertical direction, the straight ejection assembly 6 and the inclined ejection assembly 7 can be matched to eject the back-off part of a product without damage, so that the qualification rate of a finished product is improved, the lower core die 8 and the upper core die 9 which are detachably arranged can be conveniently detached and cleaned, the maintenance and replacement cost of the lower die during damage can be reduced, when the thimble fixing plate vertically moves upwards, the first inclined ejector rod 10 can perform small-amplitude transverse rotation along the joint of the first inclined ejector rod 10 and the thimble fixing plate so as to eject the back-off part without damage, and the first inclined ejector block 11 can increase the contact area between the first inclined ejector rod 10 and the product, the product is prevented from being damaged by being pushed, the product quality is prevented from being influenced, when the thimble fixing plate vertically moves upwards, the second oblique ejector rod 12 can longitudinally rotate along the connection part of the second oblique ejector rod 12 and the thimble fixing plate in a small amplitude, so that the back-off of the part can be ejected without damage, the second oblique ejector block 13 can increase the contact area between the second oblique ejector rod 12 and the product, and the product is prevented from being damaged by being pushed and the product quality is prevented from being influenced;

a spacing groove can carry on spacingly to No. two oblique ejector pins 12, prevent that its turned angle is too big and lead to the product impaired, No. one spacing groove cooperation No. two spacing grooves 14 can carry on spacingly to an oblique ejector pin 10, prevent that its turned angle is too big and lead to the product impaired, when the vertical upward motion of thimble fixed plate, vertical ascending thrust can be applyed to the product to straight thimble 15, can cooperate the subassembly of pushing up to one side not to hinder ejecting with the product, straight kicking block 16 can increase the area of contact between straight thimble 15 and the product, prevent that straight thimble from damaging the position top with the product easily, influence product quality, a plurality of injection molding pipes 18 cooperate to advance to water runner 17 and can mould plastics from each position of shaping chamber, can effectively improve the efficiency of moulding plastics, the production efficiency of improvement product.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a light truck rubber coating board injection mold components of a whole that can function independently stacks demoulding mechanism, includes mould (1) and lower mould (2), its characterized in that, last mould (1) and lower mould (2) between be equipped with two molding cavity (3) that set up along the central line symmetry of lower mould (2), lower mould (2) bottom still be equipped with bottom plate (4), bottom plate (4) and lower mould (2) between swing joint have thimble fixed plate (5), thimble fixed plate (5) on be equipped with straight top subassembly (6) and oblique top subassembly (7) that link to each other with molding cavity (3).

2. The split-type overlapped demoulding mechanism of the injection mould of the light truck rubber-covered plate according to claim 1, characterized in that two lower core moulds (8) symmetrically arranged along the central line of the lower mould (2) are further arranged on the lower mould (2), an upper core mould (9) is further arranged on the top of the two lower core moulds (8), and the lower core mould (8) and the upper core mould (9) can be detachably arranged.

3. The split-type overlapping demolding mechanism for the light truck rubber-covered plate injection mold as claimed in claim 2, wherein the inclined ejection assembly (7) comprises two inclined ejection rods (10) which are symmetrically and obliquely arranged along the center line of the lower mold (2), the inclined ejection rods (10) can rotate along the transverse circumferential direction, the end parts of the inclined ejection rods (10) sequentially penetrate through the lower mold (2), the lower core mold (8) and the upper core mold (9), and the end parts of the inclined ejection rods (10) are connected with inclined ejection blocks (11).

4. The split-type overlapping demolding mechanism for the light truck rubber-covered plate injection mold as claimed in claim 3, wherein the inclined ejector assembly (7) further comprises two second inclined ejector rods (12) which are symmetrically and obliquely arranged along the center line of the lower mold (2), the second inclined ejector rods (12) can rotate in the longitudinal circumferential direction, the end portions of the second inclined ejector rods (12) sequentially penetrate through the lower mold (2) and the upper core mold (9), and the end portions of the second inclined ejector rods (12) are connected with second inclined ejector blocks (13).

5. The split-type overlapping demolding mechanism for the light truck-covered rubber plate injection mold as recited in claim 4, wherein the lower mold (2) is respectively provided with a first limiting groove matched with the first oblique ejector rod (10) and the second oblique ejector rod (12), the second oblique ejector rod (12) passes through the first limiting groove and is connected with the second oblique ejector block (13), the lower core mold (8) is further provided with a second limiting groove (14) which is transversely arranged, the cross section of the second limiting groove (14) is in a strip shape and is matched with the first limiting groove, and the first oblique ejector rod (10) passes through the first limiting groove and the second limiting groove (14) and is connected with the first oblique ejector block (11).

6. The split-type overlapping and demolding mechanism for the light truck rubber-covered plate injection mold as recited in claim 5, wherein the first inclined ejector rod (10) and the second inclined ejector rod (12) are both hinged with the ejector pin fixing plate (5), and the tops of the first inclined ejector block (11) and the second inclined ejector block (13) are both flush with the top of the lower core mold (8).

7. The split-type overlapping and demolding mechanism for the light truck rubber-covered plate injection mold as recited in claim 6, wherein the straight ejector assembly (6) comprises a plurality of straight ejector pins (15) which are fixed on the ejector pin fixing plate (5) and are vertically arranged, and the tops of the straight ejector pins (15) are connected with the molding cavity (3).

8. The split-type superposition demolding mechanism for the light truck encapsulated plate injection mold as recited in claim 7, characterized in that a straight ejector block (16) is further connected to the end of a part of the straight ejector pins (15), and the top of the straight ejector block (16) is connected with the molding cavity (3).

9. The split superposition demolding mechanism for the light truck encapsulated plate injection mold according to claim 7, characterized in that a plurality of pouring runners (17) are further arranged on the lower mold (2), the end parts of the pouring runners (17) are connected with the molding cavity (3), and the pouring runners (17) are circumferentially arranged along the molding cavity (3).

10. The split-type overlapping and demolding mechanism for the light truck rubber-covered plate injection mold as recited in claim 9, characterized in that a plurality of injection molding pipes (18) corresponding to the pouring runners (17) in a one-to-one manner are further arranged on the upper mold (1).