CN211279532U - Plane cover plate forming die with axial ejector rod mechanism - Google Patents

Abstract

The utility model provides a plane apron forming die with axial ejector pin mechanism belongs to the mould and makes technical field. It has solved the poor problem of the ejecting effect of current plane apron forming die. This plane apron forming die with axial ejector pin mechanism, including the movable mould and with movable mould matched with cover half, have on the movable mould and stretch into the inside shaping piece of cover half, be formed with the shaping chamber that is used for the shaping of plane apron between shaping piece and the cover half, the edge of shaping piece has a plurality of undercut and is used for the fashioned inside groove of product edge, be equipped with in every inside groove and be used for the fashioned shaping pole of product recess fashioned shaping insert and be used for the fashioned shaping of product hole, but the cover is equipped with axial motion and with the ejecting ejector pin of product on every shaping pole, when the ejector pin is in the initial condition of not working, ejector pin head end portion is parallel and level mutually with the bottom face of inside groove. The utility model has the advantages of it is ejecting effectual.

Description

Plane cover plate forming die with axial ejector rod mechanism

Technical Field

The utility model belongs to the technical field of the mould is made, a plane apron forming die with axial ejector pin mechanism is related to.

Background

The injection mould is a tool for producing plastic products, and is also a tool for endowing the plastic products with complete structures and accurate sizes, the injection moulding is a processing method used when producing some parts with complex shapes in batches, and specifically, the injection mould is used for injecting heated and melted plastics into a mould cavity by an injection moulding machine at high pressure, and obtaining a formed product after cooling and solidification.

Although the plane apron structure is not complicated, the apron body directly moulds plastics and can the shaping, the often unable direct forming in edge department of apron body, need realize the processing in groove and hole through abaculus or ejector pin, the plane apron forming die on the existing market usually can be provided with the ejector pin in abaculus and shaping pole department, realize the drawing of patterns of this department structure through the ejector pin, nevertheless shaping pole is the disconnect-type design with the ejector pin usually, the occupation space of the body of rod in the mould has been increased, simultaneously, the ejecting probably can't cooperate with the position of shaping pole of ejector pin, lead to ejecting effect variation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, a plane apron forming die who has axial ejector pin mechanism that ejecting effectual is provided.

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

the utility model provides a plane apron forming die with axial ejector pin mechanism, includes the movable mould and with movable mould matched with cover half, the movable mould on have and stretch into the inside shaping piece of cover half, shaping piece and cover half between be formed with and be used for the fashioned shaping chamber of plane apron, its characterized in that, the edge of shaping piece has a plurality of undercut and is used for the fashioned inside groove of product edge, every the inside groove in be equipped with and be used for the fashioned shaping pole of product recess insert and be used for the fashioned shaping of product hole, every the shaping pole on the cover be equipped with but axial motion with the ejecting ejector pin of product, when the ejector pin is in the initial condition of not working, ejector pin head end portion is parallel and level mutually with the bottom face of inside groove.

In the above plane cover plate forming die with the axial ejector rod mechanism, the movable die is provided with a movable plate which simultaneously drives the ejector rods to move together, the movable plate is movably connected in the movable die, and the lower ends of the ejector rods penetrate through the inside of the movable die and extend and are fixed on the movable plate.

In the above plane cover plate forming die with the axial ejector rod mechanism, the top end of the movable die is provided with the top die block, and the top die block is covered on the movable die to form a stroke cavity for the movable plate to axially slide.

In the plane cover plate forming die with the axial push rod mechanism, a plurality of guide columns matched with the moving plate are further arranged in the stroke cavity, one ends of the guide columns are fixed on the movable die, the other ends of the guide columns are fixed on the inner surface of the top die block, and the moving plate is movably connected to the guide columns and can slide relative to the guide columns.

In the above-described flat cover plate molding die having the axial ejector mechanism, the lower end of the molding rod is fixed to the inner surface of the ejector block through the moving plate.

In foretell plane apron forming die who has axial ejector pin mechanism, movable mould and cover half matched with are provided with the bellied locating piece towards cover half one side on the surface, the locating piece set up in four extreme angle departments of movable mould, cover half and the corresponding position department of locating piece are provided with the constant head tank that supplies the locating piece embedding.

In the above-mentioned planar cover plate forming die with axial ejector rod mechanism, each locating piece and locating slot are provided with a wear-resistant piece, the wear-resistant pieces are distributed on the surfaces of the inner sides of the locating piece and the locating slot, and when the locating piece is matched and positioned in the locating slot, the wear-resistant pieces on the locating piece and the wear-resistant pieces on the locating slot are mutually friction-fitted.

In the above plane cover plate forming die with the axial ejector rod mechanism, the spacer is arranged on the upper surface of the movable die, which is used for being in contact with the fixed die, when the fixed die is completely matched with the movable die, the lower surface of the fixed die can be abutted against the spacer, and a die block gap is formed between the fixed die and the movable die.

In the above plane cover plate forming die with the axial push rod mechanism, the spacers are arranged on the movable die in a rectangular shape, and each row of spacers is located on the outer side of the forming block.

In the plane cover plate forming die with the axial ejector rod mechanism, each spacer is provided with a matching rod protruding towards one side of the fixed die, and the inner end face of the fixed die is provided with a matching hole for the matching rod to be inserted into.

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

1. the utility model discloses be equipped with in the inside groove of shaping piece and be used for the fashioned shaping pole of product recess to insert and be used for the fashioned shaping pole of product hole, but the cover is equipped with axial motion with the ejecting ejector pin of product on the shaping pole, and when needs product drawing of patterns, but the ejector pin direct motion upwards ejecting to shaping pole shaping position along the direction of shaping pole, help promotes holistic ejecting effect.

2. The utility model discloses a stroke intracavity is provided with the guide post, and movable plate swing joint just can slide relative guide post on the guide post, and the movable plate slides through the guide post and can improve the precision of movable plate motion for the ejector pin can be better carry out ejecting motion, improve the accuracy of ejecting position.

3. The utility model discloses a locating piece all is provided with the wear pad on locating piece and the constant head tank, and when the locating piece was in constant head tank cooperation location, the wear pad on the locating piece and the wear pad on the constant head tank were the laminating of rubbing each other, and direct friction caused when can help reducing cover half and movable mould contact was worn and torn.

4. The utility model discloses a movable mould be used for with the cover half between be equipped with the shock insulator, when the cover half matches with the movable mould completely, the lower surface of cover half can support to lean on the shock insulator, is formed with the module clearance between cover half and the movable mould, and incomplete closure between cover half and the movable mould can improve die sinking efficiency.

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 cross-sectional view of the overall structure of the present invention.

Fig. 2 is a cross-sectional view of the overall structure of the present invention.

Fig. 3 is a sectional view of the connection structure of the middle moving mold of the present invention.

Fig. 4 is a schematic view of the overall structure of the middle moving mold of the present invention.

Fig. 5 is a schematic structural diagram of the middle fixed mold of the present invention.

In the figure, 1, a moving die; 2. fixing a mold; 3. forming a block; 4. a molding cavity; 5. an inner tank; 6. forming an insert; 7. forming a rod; 8. a top rod; 9. moving the plate; 10. a top module; 11. a stroke chamber; 12. a guide post; 13. positioning blocks; 14. positioning a groove; 15. a wear resistant sheet; 16. a spacer; 17. a mating rod; 18. a mating hole.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in figure 1, a plane cover plate forming die with an axial ejector rod 8 mechanism comprises a movable die 1 and a fixed die 2 matched with the movable die 1, a forming block 3 extending into the fixed die 2 is arranged on the movable die 1, a forming cavity 4 for forming a plane cover plate is formed between the forming block 3 and the fixed die 2, a plurality of inner grooves 5 which are recessed downwards and used for forming the edges of products are formed in the edges of the forming block 3, a forming insert 6 for forming a product groove and a forming rod 7 for forming an inner hole of the product are arranged in each inner groove 5, an ejector rod 8 capable of axially moving to eject the product is sleeved on each forming rod 7, and when the ejector rod 8 is in a non-working state, the head end part of the ejector rod 8 is flush with the bottom end surface of each inner groove 5.

In this embodiment, be equipped with in movable mould 1 shaping piece 3's the inside groove 5 and be used for the fashioned shaping pole 7 of product recess 6 and be used for the fashioned shaping pole of product hole, but the cover is equipped with axial motion ejecting ejector pin 8 with the product on the shaping pole 7, ejector pin 8 and the coaxial setting of shaping pole 7, when needs are demolded to the product, ejector pin 8 can direct movement upwards ejecting to shaping pole 7 shaping position along the direction of shaping pole 7, the ejecting position of ejector pin 8 is exactly the fashioned position in shaping pole 7 holes, can help promoting holistic ejecting effect.

Referring to fig. 1 and 2, the movable mold 1 is provided with a moving plate 9 for simultaneously driving the plurality of push rods 8 to move together, the moving plate 9 is movably connected in the movable mold 1, and the lower ends of the push rods 8 penetrate through the movable mold 1 and extend and are fixed on the moving plate 9. The moving plate 9 can move relative to the moving die 1, and a driving motor or an air cylinder can be connected to the moving plate 9 to realize the movement of the moving plate 9, and as the driving motor and the air cylinder are common driving mechanisms on the market and belong to the common knowledge of the technical personnel in the field, the description is omitted.

Referring to fig. 1 and 3, in this embodiment, a top mold block 10 is disposed at a top end of the movable mold 1, the top mold block 10 is covered on the movable mold 1, so that a stroke cavity 11 for sliding the movable plate 9 in the axial direction is formed in the movable mold 1, a plurality of guide pillars 12 matched with the movable plate 9 are disposed in the stroke cavity 11, one end of each guide pillar 12 is fixed on the movable mold 1, the other end of each guide pillar 12 is fixed on an inner surface of the top mold block 10, and the movable plate 9 is movably connected to the guide pillars 12 and can slide relative to the guide pillars 12.

As shown in fig. 2 and 3, the lower end of the forming rod 7 is fixed to the inner surface of the top block 10 through the moving plate 9. The molding rod 7 can be directly fixed on the top module 10 or hinged on the top module 10, the upper end of the molding rod 7 is accommodated in the inner groove 5 and extends upwards through the inner groove 5, and during injection molding, injection molding liquid can surround the molding rod 7 for hole molding.

Referring to fig. 1, 4 and 5, positioning blocks 13 protruding towards one side of the fixed mold 2 are arranged on the surfaces of the movable mold 1 and the fixed mold 2, the positioning blocks 13 are arranged at four corners of the movable mold 1, and positioning grooves 14 for embedding the positioning blocks 13 are arranged at positions of the fixed mold 2 corresponding to the positioning blocks 13. Locating piece 13 sets up four extreme angle departments that can be better at movable mould 1 and fixes a position, locating piece 13 is fixing a position, can disect insertion in constant head tank 14, as preferred, all be provided with wear pad 15 on every locating piece 13 and the constant head tank 14, wear pad 15 distributes on locating piece 13 and the inboard surface of constant head tank 14, when locating piece 13 cooperatees the location in constant head tank 14, wear pad 15 on the locating piece 13 and the wear pad 15 on the constant head tank 14 mutually rub the laminating, can help reducing the wearing and tearing that the direct friction caused when cover half 2 contacts with movable mould 1.

In this embodiment, the wear-resistant piece 15, the positioning slot 14 and the positioning block 13 may be detachably connected, and the specific connection member may be a screw or a pin.

In this embodiment, preferably, a spacer 16 is arranged on the upper surface of the movable mold 1 for contacting the fixed mold 2, when the fixed mold 2 is completely matched with the movable mold 1, the lower surface of the fixed mold 2 abuts against the spacer 16, a module gap is formed between the fixed mold 2 and the movable mold 1, the spacer 16 is arranged on the movable mold 1 in a rectangular shape, each row of spacers 16 is located on the outer side of the forming block 3, when the fixed mold 2 is completely matched with the movable mold 1, the lower surface of the fixed mold 2 abuts against the spacer 16, a module gap is formed between the fixed mold 2 and the movable mold 1, the fixed mold 2 and the movable mold 1 are not completely closed, and the mold opening efficiency can be improved.

Referring to fig. 4 and 5, each spacer 16 is provided with a fitting rod 17 projecting toward one side of the fixed mold 2, and a fitting hole 18 into which the fitting rod 17 is inserted is formed in an inner end surface of the fixed mold 2. When the movable mold 1 and the fixed mold 2 are matched with each other for injection molding, the edge of the fixed mold 2 abuts against the spacer 16, and meanwhile, the matching plate on the spacer 16 is inserted into the matching hole 18 for matching, so that the working stability of the spacer 16 is ensured.

The utility model discloses a theory of operation does: when the mold is used for producing a product, injected injection liquid can form a plane cover plate body in the forming cavity 4 and then flows into the inner groove 5 for forming grooves and holes, the ejector rod 8 is arranged outside the forming rod 7 in the inner groove 5, the ejector rod 8 and the forming rod 7 are coaxially arranged, the ejector rod 8 is wrapped on the outer surface of the forming rod 7, after the groove part and the hole part of the product are formed, the movable plate 9 can move towards one side of the forming cavity 4 under the driving of an external driver, the movable plate 9 can drive the ejector rod 8 to perform ejection movement, and as the ejector rod 8 is sleeved on the outer surface of the forming rod 7, when the ejection movement is performed, the top end part of the ejector rod 8 can act on the hole edge of the forming hole, so that the demolding is more convenient.

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.

Although the terms moving die 1, fixed die 2, forming block 3, forming cavity 4, inner groove 5, forming insert 6, forming rod 7, ejector rod 8, moving plate 9, top die 10, stroke cavity 11, guide post 12, positioning block 13, positioning groove 14, wear-resistant piece 15, spacer 16, matching rod 17, matching hole 18, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.

Claims (10)

1. A plane cover plate forming die with an axial push rod mechanism comprises a movable die (1) and a fixed die (2) matched with the movable die (1), the movable mold (1) is provided with a molding block (3) extending into the fixed mold (2), a molding cavity (4) for molding the plane cover plate is formed between the molding block (3) and the fixed mold (2), the forming device is characterized in that a plurality of downward-recessed inner grooves (5) used for forming the edges of products are formed in the edges of the forming blocks (3), each inner groove (5) is internally provided with a forming insert (6) used for forming a product groove and a forming rod (7) used for forming an inner hole of the product, each forming rod (7) is sleeved with a push rod (8) capable of axially moving to push out the product, and when the push rod (8) is in an initial state of non-work, the head end part of the push rod (8) is parallel and level with the bottom end face of the inner groove (5).

2. The flat cover plate forming die with the axial ejector rod mechanism is characterized in that a moving plate (9) which drives a plurality of ejector rods (8) to move together simultaneously is arranged on the movable die (1), the moving plate (9) is movably connected into the movable die (1), and the lower ends of the ejector rods (8) penetrate through the interior of the movable die (1) to extend and be fixed on the moving plate (9).

3. The flat cover plate molding die with the axial ejector mechanism as claimed in claim 2, wherein the top end of the movable die (1) is provided with an ejector die block (10), and the ejector die block (10) is covered on the movable die (1) so that the movable die (1) is formed with a stroke cavity (11) for the movable plate (9) to axially slide.

4. The forming die of the plane cover plate with the axial ejector rod mechanism is characterized in that a plurality of guide columns (12) matched with the moving plate (9) are further arranged in the stroke cavity (11), one ends of the guide columns (12) are fixed on the movable die (1), the other ends of the guide columns (12) are fixed on the inner surface of the top die block (10), and the moving plate (9) is movably connected to the guide columns (12) and can slide relative to the guide columns (12).

5. The flat cover plate molding die with axial ejector mechanism of claim 3, characterized in that the lower end of the molding rod (7) is fixed on the inner surface of the top mold block (10) through the moving plate (9).

6. The flat cover plate forming die with the axial ejector rod mechanism is characterized in that positioning blocks (13) protruding towards one side of the fixed die (2) are arranged on the surfaces of the movable die (1) and the fixed die (2) in a matched mode, the positioning blocks (13) are arranged at the four corners of the movable die (1), and positioning grooves (14) for the positioning blocks (13) to be embedded are arranged at the positions, corresponding to the positioning blocks (13), of the fixed die (2).

7. The flat cover plate forming die with the axial ejector mechanism as in claim 6, wherein each of the positioning block (13) and the positioning slot (14) is provided with a wear-resistant sheet (15), the wear-resistant sheets (15) are distributed on the inner surfaces of the positioning block (13) and the positioning slot (14), and when the positioning block (13) is positioned in the positioning slot (14), the wear-resistant sheets (15) on the positioning block (13) and the wear-resistant sheets (15) on the positioning slot (14) are in friction fit with each other.

8. The plane cover plate forming die with the axial ejector mechanism is characterized in that a spacer (16) is arranged on the upper surface of the movable die (1) for contacting the fixed die (2), when the fixed die (2) is completely matched with the movable die (1), the lower surface of the fixed die (2) is abutted against the spacer (16), and a die block gap (19) is formed between the fixed die (2) and the movable die (1).

9. The flat cover plate molding die with the axial ejector mechanism of claim 8, wherein the spacers (16) are arranged on the movable die (1) in a rectangular shape, and each row of spacers (16) is located outside the molding block (3).

10. The flat cover plate molding die with the axial mandril mechanism as claimed in claim 8, characterized in that each spacer (16) is provided with a matching rod (17) protruding towards one side of the fixed die (2), and the inner end surface of the fixed die (2) is provided with a matching hole (18) for inserting the matching rod (17).

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