CN216032157U - Plastic table foot injection mold based on long sliding block parallel core pulling technology - Google Patents

Abstract

The utility model provides a plastic table leg injection mold based on a long slide block parallel core pulling technology, and belongs to the technical field of molds. The core pulling mechanism comprises an upper template and a lower template, wherein the lower template is provided with two lower forming grooves which are sunken inwards, the upper template is provided with two upper forming grooves which are sunken inwards, the two lower forming grooves and the two upper forming grooves are combined to form two table foot forming cavities, the two table foot forming cavities are arranged in parallel, and the lower template is provided with an ejection core pulling mechanism which can be used for demoulding products. The table leg product is separated from the lower forming groove by the aid of the ejection core pulling mechanism which can form a hollow groove body in the table leg, and the core is pulled after the table leg product is demoulded, so that the space requirement of a die in use can be effectively reduced without arranging the ejection mechanism below the lower die plate.

Description

Plastic table foot injection mold based on long sliding block parallel core pulling technology

Technical Field

The utility model belongs to the technical field of molds, and relates to a plastic table leg injection mold based on a long slide block parallel core pulling technology.

Background

The plastic table foot is generally through injection moulding, in order to reduce materials and reduce cost, thereby can set up the pellet in the die cavity and can pour into the injection moulding in the table foot and go out hollow groove, when the table foot is ejecting, mould among the prior art can set up ejection mechanism at the lower die plate downside, but sets up ejection mechanism and can increase the whole height of mould, has increased the space demand when the mould uses.

In order to overcome the defects of the prior art, people continuously explore and propose various solutions, for example, a Chinese patent discloses a bedside table foot mold [ application number: 202020399357.2], comprises an upper template and a lower template, wherein a punching needle mechanism for punching the flat plate and forming the triangular protrusion, an indentation mechanism for facilitating bending the triangular protrusion and a forming mechanism for punch forming the flat plate are respectively arranged between the upper template and the lower template, and the punching needle mechanism, the indentation mechanism and the forming mechanism are sequentially distributed from left to right, but the problems also exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provides a plastic table leg injection mold based on a long slide block parallel core pulling technology.

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

the utility model provides a plastics table foot injection mold based on long slider parallel technique of loosing core, includes cope match-plate pattern and lower bolster, the lower bolster on be equipped with two inside sunken lower shaping grooves, the cope match-plate pattern on be equipped with two inside sunken last shaping grooves, two lower shaping grooves and two last shaping groove combinations form two table foot molding chambers, two table foot molding chambers parallel arrangement, the lower bolster on be equipped with and be used for the ejecting mechanism of loosing core of product drawing of patterns.

In the plastic table foot injection mold based on the long sliding block parallel core pulling technology, the cross section of the table foot forming cavity is in a rhombic shape, and the cross sections of the lower forming groove and the upper forming groove are in an isosceles triangle shape.

In the plastic table foot injection mold based on the long slider parallel core pulling technology, the ejection core pulling mechanism comprises a core pulling seat arranged on the lower template, the lower template is further provided with a lifting driving assembly connected with the core pulling seat, and the core pulling seat is further provided with two core pulling sliders respectively inserted into the two table foot forming cavities and a translation driving assembly connected with the two core pulling sliders.

In foretell plastics table foot injection mold based on long slider parallel technique of loosing core, lift drive assembly include two and fix the lift driver in the seat both sides of loosing core respectively, lift driver have the output shaft that can follow vertical direction and go up and down, lift driver's output shaft tip links firmly with the lower bolster through the connecting block.

In foretell plastics table foot injection mold based on long slider parallel technique of loosing core, translation drive assembly including setting up the board of loosing core in the seat outside of loosing core, the slider outer end of loosing core run through the seat of loosing core and link firmly with the board of loosing core, the board outer end of loosing core still link firmly the translation driver that the level set up, the translation driver have can follow horizontal direction reciprocating motion's output shaft, the output shaft of translation driver run through the board of loosing core and link firmly with the seat of loosing core.

In the plastic table foot injection mold based on the long sliding block parallel core pulling technology, the core pulling seat is further provided with a limiting structure in sliding connection with the translation driver.

In the plastic table foot injection mold based on the long slider parallel core pulling technology, the limiting structure comprises a limiting plate, the limiting plate is vertically arranged, the limiting plate is fixedly connected with the core pulling seat through four horizontal fixing rods, and a limiting groove in sliding connection with the translation driver is formed in the limiting plate.

In the plastic table foot injection mold based on the long sliding block parallel core pulling technology, the cross section of the core pulling sliding block is in a diamond shape.

In foretell plastics table foot injection mold based on long slider parallel technique of loosing core, cope match-plate pattern middle part still be equipped with the mouth of moulding plastics, the cope match-plate pattern in still be equipped with the pipe groove of moulding plastics that is used for installing the pipe of moulding plastics, the vertical setting of pipe groove of moulding plastics, the pipe groove bottom of moulding plastics link to each other with two table foot shaping chambeies through the runner structure of moulding plastics.

In foretell plastics table foot injection mold based on long slider parallel technique of loosing core, the runner structure of moulding plastics including setting up the runner of moulding plastics No. one in cope match-plate pattern bottom, the lower bolster on be equipped with the table foot shaping intracavity outside through a plurality of runners of moulding plastics that advance the runner and link to each other, the runner of moulding plastics No. two link to each other with the runner of moulding plastics No. one.

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

1. two lower shaping grooves and two table foot shaping cavities that go up the shaping groove combination and form can mould plastics two table foot products simultaneously, thereby can form the material cost when can reduce table foot production in the hollow cell body in the table foot in ejecting core pulling structure, when the drawing of patterns, ejecting core pulling mechanism can forerunner's the vertical upward movement of table foot product make table foot product break away from with lower shaping groove, loose core again after the drawing of patterns of table foot product, thereby need not to set up ejection mechanism below the lower mould board, the space demand when can effectively reduce the mould and use.

2. Thereby the slider of loosing core inserts and can form the material cost when hollow cell body can reduce table foot production in the table foot, when the drawing of patterns, the vertical upward movement of seat of loosing core can be driven in the lift drive subassembly, thereby the seat of loosing core motion can drive the slider upward movement of loosing core and can drive the vertical upward movement of table foot product through the slider of loosing core and make table foot product break away from with lower shaping groove, the product breaks away from the back with lower shaping groove, translation drive subassembly can drive the slider of loosing core and break away from with the product, the completion is loosed core.

3. The output shafts of the lifting drivers are connected with the lower template through the connecting blocks, the output shafts of the two lifting drivers synchronously act to drive the core pulling plate to vertically move upwards, and the core pulling seat can drive the core pulling slide block to move upwards, so that the table leg products can be separated from the lower forming groove by driving the table leg products to vertically move upwards through the core pulling slide block.

4. The output shaft action of translation driver can drive translation driver and the outside horizontal motion of board of loosing core, and the outside horizontal motion of board of loosing core can drive two and loose core sliders and the table foot product of adhesion on the slider of loosing core outwards, and when the slider of loosing core moved to table foot product and the seat of loosing core and supported and lean on, the slider of loosing core continues outwards to move and can take out from table foot product, accomplishes and looses the core.

Additional advantages, objects, and features of the utility model 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 utility model.

Drawings

FIG. 1 is a schematic view of the overall structure provided by the present invention;

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

fig. 3 is a schematic structural view of the lower template.

In the figure: the injection molding machine comprises an upper template 1, a lower template 2, a lower molding groove 3, an upper molding groove 4, a table foot molding cavity 5, an ejection core pulling mechanism 6, a core pulling seat 7, a lifting driving component 8, a core pulling slide block 9, a translation driving component 10, a lifting driver 11, a connecting block 12, a core pulling plate 13, a translation driver 14, a limiting structure 15, a limiting plate 16, a horizontal fixing rod 17, a limiting groove 18, an injection molding opening 19, an injection molding pipe groove 20, an injection molding runner structure 21, a first injection molding runner 23, a sprue inlet 24 and a second injection molding runner 25.

Detailed Description

As shown in fig. 1-3, a plastic table foot injection mold based on a long slider parallel core pulling technology comprises an upper mold plate 1 and a lower mold plate 2, wherein the lower mold plate 2 is provided with two downward concave molding grooves 3, the upper mold plate 1 is provided with two upward concave molding grooves 4, the two downward concave molding grooves 3 and the two upward concave molding grooves 4 are combined to form two table foot molding cavities 5, the two table foot molding cavities 5 are arranged in parallel, and the lower mold plate 2 is provided with an ejection core pulling mechanism 6 which can be used for demolding products.

In this embodiment, two table foot shaping chambeies that two lower shaping groove 3 and two upper shaping groove 4 combinations formed can mould plastics two table foot products simultaneously, thereby can form the material cost when the table foot produces in the ejecting structure of loosing core in the table foot can be reduced, when the drawing of patterns, ejecting mechanism of loosing core can forerunner move the vertical upward movement of table foot product and make table foot product break away from with lower shaping groove, loose core again behind the drawing of patterns of table foot product, thereby need not to set up ejection mechanism below the lower bolster, the space demand when can effectively reduce the mould and use.

Specifically, as shown in fig. 1 to 3, the section of the table leg forming cavity 5 is a diamond shape, and the sections of the lower forming groove 3 and the upper forming groove 4 are isosceles triangles.

Specifically, as shown in fig. 1 to 3, the ejection core pulling mechanism 6 includes a core pulling seat 7 disposed on the lower mold plate 2, the lower mold plate 2 is further provided with a lifting driving assembly 8 connected to the core pulling seat 7, and the core pulling seat 7 is further provided with two core pulling sliders 9 respectively inserted into the two table leg forming cavities 5 and a translation driving assembly 10 connected to the two core pulling sliders 9. Thereby the slider of loosing core inserts and can form the material cost when hollow cell body can reduce table foot production in the table foot, when the drawing of patterns, lift drive assembly 8 can drive and take out the vertical upward movement of core seat, thereby it can drive the slider upward movement of loosing core to drive and to drive the vertical upward movement of table foot product through the slider of loosing core and make table foot product break away from with lower shaping groove, the product breaks away from the back with lower shaping groove, translation drive assembly 10 can drive the slider of loosing core and break away from with the product, accomplish and loose core.

Specifically, as shown in fig. 1 to fig. 3, the lifting driving assembly 8 includes two lifting drivers 11 respectively fixed on two sides of the core pulling seat 7, the lifting drivers 11 have output shafts that can be lifted in the vertical direction, and the end portions of the output shafts of the lifting drivers 11 are fixedly connected with the lower die plate 2 through connecting blocks 12. The output shafts of the lifting drivers 11 are connected with the lower template through connecting blocks, the output shafts of the two lifting drivers synchronously act to drive the core pulling plate to vertically move upwards, and the core pulling seat can drive the core pulling slide block to move upwards so as to drive the table leg products to vertically move upwards through the core pulling slide block to separate the table leg products from the lower forming groove.

It will be appreciated by those skilled in the art that the lift drive 11 may be a cylinder, linear motor, or the like.

Specifically, as shown in fig. 1 to fig. 3, the translational driving assembly 10 includes a core pulling plate 13 disposed outside the core pulling seat 7, an outer end of the core pulling slider 9 penetrates through the core pulling seat 7 and is fixedly connected to the core pulling plate 13, an outer end of the core pulling plate 13 is further fixedly connected to a horizontally disposed translational driver 14, the translational driver 14 has an output shaft capable of reciprocating along a horizontal direction, and the output shaft of the translational driver 14 penetrates through the core pulling plate 13 and is fixedly connected to the core pulling seat 7. The output shaft action of translation driver 14 can drive translation driver and the outside horizontal motion of board of loosing core, and the outside horizontal motion of board of loosing core can drive two and loose core sliders and the table foot product of adhesion on the slider of loosing core outwards, and when the slider of loosing core moved to table foot product and the seat of loosing core and supported and lean on, the slider of loosing core continues outwards to move and can be taken out from table foot product, accomplishes and looses the core.

It will be appreciated by those skilled in the art that the translation actuator may be a ram, cylinder, linear motor, or the like.

Specifically, as shown in fig. 1 to 3, the core pulling seat 7 is further provided with a limiting structure 15 slidably connected with the translation driver 14. The limiting structure 15 comprises a limiting plate 16, the limiting plate 16 is vertically arranged, the limiting plate 16 is fixedly connected with the core-pulling seat 7 through four horizontal fixing rods 17, and a limiting groove 18 in sliding connection with the translation driver 14 is formed in the limiting plate 16. The limiting groove on the limiting plate can limit the translation driver.

Specifically, as shown in fig. 1 to 3, the core back slider 9 has a diamond-shaped cross section.

Specifically, as shown in fig. 1 to 3, an injection molding opening 19 is further formed in the middle of the upper mold plate 1, an injection molding pipe groove 20 for installing an injection molding pipe is further formed in the upper mold plate 1, the injection molding pipe groove 20 is vertically arranged, and the bottom of the injection molding pipe groove 20 is connected with the two table leg forming cavities 5 through an injection molding flow channel structure 21. The injection molding runner structure 21 comprises a first injection molding runner 23 arranged at the bottom of the upper template 1, a second injection molding runner 25 connected with the inner side and the outer side of the table leg forming cavity 5 through a plurality of inlet gates 24 is arranged on the lower template 2, and the second injection molding runner 25 is connected with the first injection molding runner 23. The external compression molding machine of mouth of moulding plastics, the compression molding machine can be with the liquid of moulding plastics through the mouth of moulding plastics and pour into the pipe of moulding plastics of the pipe inslot of moulding plastics, and the rethread is moulded plastics in the pipe pours into the runner of moulding plastics into one number, and the liquid of moulding plastics in the runner of moulding plastics can flow into the runner of moulding plastics No. two numbers, and the rethread is a plurality of into runner and advances to water to two table foot shaping intracavity, can effectively improve the efficiency of moulding plastics.

The working principle of the utility model is as follows: two table foot forming cavities formed by combining the two lower forming grooves 3 and the two upper forming grooves 4 can simultaneously perform injection molding on two table foot products, hollow groove bodies can be formed in the table feet in the ejection core pulling structure, so that the material cost during table foot production can be reduced, the ejection core pulling mechanism can move the table foot products vertically upwards to separate the table foot products from the lower forming grooves during demolding, and core pulling is performed after the table foot products are demolded, so that the ejection mechanism does not need to be arranged below the lower template, and the space requirement during mold use can be effectively reduced;

when the table legs are demoulded, the lifting driving component 8 can drive the core pulling seat to vertically move upwards, the core pulling seat can drive the core pulling slide block to move upwards so as to drive the table leg products to vertically move upwards through the core pulling slide block to separate the table leg products from the lower forming groove, after the products are separated from the lower forming groove, the translation driving component 10 can drive the core pulling slide block to separate from the products to complete core pulling, an output shaft of the lifting driver 11 is connected with the lower template through a connecting block, the output shafts of the two lifting drivers synchronously act to drive the core pulling plate to vertically move upwards, the core pulling seat can drive the core pulling slide block to move upwards so as to drive the table leg products to vertically move upwards through the core pulling slide block to separate the table leg products from the lower forming groove, and the output shaft of the translation driver 14 acts to drive the translation driver and the core pulling plate to horizontally move outwards, when the core-pulling slide block moves until the table leg product abuts against the core-pulling seat, the core-pulling slide block continues to move outwards and can be pulled out from the table leg product, so that core pulling is completed;

the limiting groove on the limiting plate can limit the translation driver, the injection molding opening is externally connected with a compression molding machine, the compression molding machine can inject injection molding liquid into an injection molding pipe in the injection molding pipe groove through the injection molding opening, the injection molding pipe is injected into a first injection molding flow channel, the injection molding liquid in the first injection molding flow channel can flow into a second injection molding flow channel, and the injection molding efficiency can be effectively improved through a plurality of pouring gates which are arranged in the two table foot forming cavities.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Although the upper mold plate 1, the lower mold plate 2, the lower molding groove 3, the upper molding groove 4, the table foot molding cavity 5, the ejection core pulling mechanism 6, the core pulling seat 7, the lifting driving component 8, the core pulling slider 9, the translation driving component 10, the lifting driver 11, the connecting block 12, the core pulling plate 13, the translation driver 14, the limiting structure 15, the limiting plate 16, the horizontal fixing rod 17, the limiting groove 18, the injection molding opening 19, the injection molding pipe groove 20, the injection molding runner structure 21, the first injection runner 23, the sprue 24, the second injection runner 25, etc., are used more frequently, these terms are used only for more conveniently describing and explaining the essence of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims (10)

1. The utility model provides a plastics table foot injection mold based on long slider parallel technique of loosing core, includes cope match-plate pattern (1) and lower bolster (2), its characterized in that, lower bolster (2) on be equipped with two inside sunken lower molding groove (3), cope match-plate pattern (1) on be equipped with two inside sunken last molding groove (4), two lower molding groove (3) and two last molding groove (4) combinations form two table foot molding chamber (5), two table foot molding chamber (5) parallel arrangement, lower bolster (2) on be equipped with and be used to the ejecting mechanism of loosing core (6) of product drawing of patterns.

2. The plastic table leg injection mold based on the long sliding block parallel core pulling technology as claimed in claim 1, wherein the cross section of the table leg forming cavity (5) is in a diamond shape, and the cross sections of the lower forming groove (3) and the upper forming groove (4) are in an isosceles triangle shape.

3. The plastic table foot injection mold based on the long slider parallel core pulling technology as claimed in claim 1, wherein the ejection core pulling mechanism (6) comprises a core pulling seat (7) arranged on the lower mold plate (2), the lower mold plate (2) is further provided with a lifting driving assembly (8) connected with the core pulling seat (7), and the core pulling seat (7) is further provided with two core pulling sliders (9) respectively inserted into the two table foot forming cavities (5) and a translation driving assembly (10) connected with the two core pulling sliders (9).

4. The plastic table leg injection mold based on the long slider parallel core pulling technology is characterized in that the lifting driving assembly (8) comprises two lifting drivers (11) which are respectively fixed on two sides of the core pulling seat (7), each lifting driver (11) is provided with an output shaft which can lift along the vertical direction, and the end part of the output shaft of each lifting driver (11) is fixedly connected with the lower template (2) through a connecting block (12).

5. The plastic table leg injection mold based on the long slider parallel core pulling technology as claimed in claim 3, wherein the translation driving assembly (10) comprises a core pulling plate (13) arranged outside the core pulling seat (7), the outer end of the core pulling slider (9) penetrates through the core pulling seat (7) and is fixedly connected with the core pulling plate (13), the outer end of the core pulling plate (13) is further fixedly connected with a horizontally arranged translation driver (14), the translation driver (14) is provided with an output shaft capable of reciprocating in the horizontal direction, and the output shaft of the translation driver (14) penetrates through the core pulling plate (13) and is fixedly connected with the core pulling seat (7).

6. The plastic table leg injection mold based on the long slider parallel core pulling technology as claimed in claim 5, wherein a limiting structure (15) connected with the translation driver (14) in a sliding manner is further arranged on the core pulling seat (7).

7. The plastic table leg injection mold based on the long slider parallel core pulling technology as claimed in claim 6, wherein the limiting structure (15) comprises a limiting plate (16), the limiting plate (16) is vertically arranged, the limiting plate (16) is fixedly connected with the core pulling seat (7) through four horizontal fixing rods (17), and a limiting groove (18) in sliding connection with the translation driver (14) is formed in the limiting plate (16).

8. The plastic table leg injection mold based on the long slider parallel core pulling technology as claimed in claim 7, wherein the cross section of the core pulling slider (9) is diamond-shaped.

9. The plastic table foot injection mold based on the long sliding block parallel core pulling technology is characterized in that an injection molding opening (19) is further formed in the middle of the upper mold plate (1), an injection molding pipe groove (20) used for installing an injection molding pipe is further formed in the upper mold plate (1), the injection molding pipe groove (20) is vertically arranged, and the bottom of the injection molding pipe groove (20) is connected with two table foot forming cavities (5) through an injection molding flow channel structure (21).

10. The plastic table foot injection mold based on the long sliding block parallel core pulling technology as claimed in claim 9, wherein the injection molding runner structure (21) comprises a first injection molding runner (23) arranged at the bottom of the upper mold plate (1), a second injection molding runner (25) connected with the inner side and the outer side of the table foot forming cavity (5) through a plurality of inlet gates (24) is arranged on the lower mold plate (2), and the second injection molding runner (25) is connected with the first injection molding runner (23).

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