CN213704389U

CN213704389U - Mold ejection structure

Info

Publication number: CN213704389U
Application number: CN202021778483.5U
Authority: CN
Inventors: 袁万永
Original assignee: Suzhou Wanzhifang Precision Mould Manufacturing Co ltd
Current assignee: Huizhou Youwei Hardware And Plastic Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-07-16
Anticipated expiration: 2030-08-24

Abstract

The utility model discloses an ejecting structure of mould, including the cover half, open at the top of cover half connects the chamber, connect the inner wall joint movable mould board all around in chamber, the bottom surface middle part of connecting the chamber is equipped with the liftout plate, liftout plate and the closely die cavity of laminating of movable mould board, open the bottom of cover half has the cross recess, cross recess middle part joint ejector pin, the bottom surface of liftout plate is connected at the top of ejector pin, the both sides outer wall of cover half all laminates the arm-tie, connect the compression rod between the both ends of arm-tie and ejector pin, install demoulding mechanism between the middle part of arm-tie and movable mould board. When the die is closed, the compression rod firstly takes the ejector plate in and is attached to the bottom of the connecting cavity, then the movable die plate is close to and is attached to the ejector plate-shaped forming cavity, so that the injection molding processing is facilitated, when the die is opened, the demolding mechanism firstly drives the movable die plate to be separated from the product, the demolding is realized, then the ejector plate ejects the product out of the connecting cavity, the product is convenient to take out, the linkage of the demolding and ejecting steps is orderly carried out, and the product processing and production are facilitated.

Description

Mold ejection structure

Technical Field

The utility model relates to the technical field of mold, specifically be an ejecting structure of mould.

Background

The injection molding type mold is used for shaping the shape of an injection molding material through a cavity in a fixed mold, the surface of some processed products is provided with irregular shapes, such as a concave-convex structure, the formed products are mutually clamped with the inner wall of the cavity through irregular patterns, so that the products are difficult to demould and eject out of the mold, and production is not facilitated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ejecting structure of mould to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an ejecting structure of mould, includes the die holder, it has the connection chamber to open at the top of die holder, connect the chamber inner wall slip joint movable mould board all around, the bottom surface middle part of connecting the chamber is equipped with the liftout plate, liftout plate and movable mould board die cavity of closely laminating, open the bottom of die holder has the cross recess, cross recess middle part slip joint ejector rod, the bottom surface of the top fixed connection ejector plate of ejector rod, the both sides outer wall of die holder is the arm-tie of all laminating, be connected the compression rod between the both ends of arm-tie and ejector rod, installation demoulding mechanism between the middle part of arm-tie and movable mould board.

Preferably, the bottom plate of movable mould board is isosceles trapezoid structure, the bottom surface all around of connecting the chamber is opened there is the spout, the equal fixed mounting slider in bottom surface of movable mould board, slider slip joint spout, and slider and spout are matched with T type structure.

Preferably, the compression pole includes the guide way, the guide way has all been opened to the both sides of die holder, slide joint sliding sleeve in the guide way, the both ends of sliding sleeve fixed connection arm-tie, the clamp plate is cup jointed in the sliding sleeve slides, install the pressure spring between the top of clamp plate and the inner chamber top of sliding sleeve, the one end of the bottom fixed connection slide bar of clamp plate, the one end of cross recess and fixed connection connecting rod is run through to the bottom of slide bar, the connecting rod slip joint is in the cross recess, and the bottom surface of the other end fixed connection ejector pin of connecting rod.

Preferably, the plurality of connecting rods and the cross grooves are of a cross structure matched with each other, the pressure spring is always in a compressed state, and the depth of each cross groove is larger than the height of each connecting cavity.

Preferably, demoulding mechanism includes the pivot, connect all to rotate in the chamber die holder all around and cup joint the pivot, the middle part of pivot is all fixed cup joints the gear post, the one end bottom meshing horizontal rack of gear post, horizontal rack sliding clamping connects in the die holder and fixed connection movable mould board's outer wall, it is adjacent installation matched with bevel gear group between the terminal surface of pivot, the middle part lateral wall fixed connection depression bar of arm-tie, the equal slip joint in both sides of die holder erects the rack, the depression bar closely presses on erecting the rack, install the spring between the bottom of erecting the rack and the die holder.

Preferably, the spring is in compression state all the time, it has the spacing groove to open in the cover half seat, erect rack slip joint at the spacing inslot, just the cross sectional area of depression bar is less than the cross sectional area of erecting rack and spacing groove, install the magnet piece of adsorbing mutually between the bottom of depression bar and the top of erecting the rack.

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

1. when the die is assembled, the compression rod firstly takes the ejector plate in and is attached to the bottom of the connecting cavity, and then the movable template is close to and attached to the ejector plate, so that the movable template and the ejector plate are completely closed to form a cavity, and the injection molding is convenient;

2. when the mold is opened, the demolding mechanism drives the movable mold plate to be separated from the product to realize demolding, then the ejection plate ejects the product out of the connecting cavity, the product is convenient to take out, the demolding and ejection steps are orderly linked, and the product processing and production are convenient.

Drawings

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

FIG. 2 is an exploded view of the movable form of the present invention;

fig. 3 is a schematic view of the main-view section structure of the demolding mechanism of the present invention.

In the figure: 1. fixing a die holder; 2. a connecting cavity; 3. a movable template; 4. ejecting the plate; 5. pulling a plate; 6. a cross groove; 7. ejecting the rod; 8. a compression rod; 81. a pressure spring; 82. pressing a plate; 83. a sliding sleeve; 84. a guide groove; 85. a slide bar; 86. a connecting rod; 9. a demolding mechanism; 91. a rotating shaft; 92. a gear post; 93. a horizontal rack; 94. a vertical rack; 95. a spring; 96. a pressure lever; 97. a bevel gear set; 10. a slider; 11. a chute; 12. A limiting 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.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an ejecting structure of mould, including the cover half 1, open at the top of cover half 1 has connection chamber 2, connect inner wall slip joint movable mould board 3 all around of chamber 2, the bottom surface middle part of connecting chamber 2 is equipped with liftout plate 4, liftout plate 4 and the die cavity of closely laminating of movable mould board 3, open the bottom of cover half 1 has cross recess 6, cross recess 6 middle part slip joint ejector rod 7, the bottom surface of the top fixed connection ejector plate 4 of ejector rod 7, the both sides outer wall of cover half 1 all laminates arm-tie 5, compression rod 8 is connected between the both ends of arm-tie 5 and ejector rod 7, install demoulding mechanism 9 between the middle part of arm-tie 5 and movable mould board 3. The fixed die holder 1 is fixedly arranged on the injection molding machine, the pulling plate 5 is connected with the injection molding machine and moves synchronously with the movable die, when the die is assembled, the pulling plate 5 moves downwards, the compression rod 8 presses the ejector rod 7 downwards, so that the ejector plate 4 is attached to the bottom of the connecting cavity 2, meanwhile, the demoulding mechanism 9 enables the movable die plates 3 to approach each other, thereby leading the movable mould plate 3 and the ejector plate 4 to be tightly attached to form a cavity, being convenient for injection moulding, leading the product to be formed, the outer wall of the product is clamped with the irregular shape of the inner wall of the movable template 3, at the moment, the movable mould is lifted up and opened, the pulling plate 5 moves upwards, at the moment, the pulling plate 5 drives the movable template 3 to move away from the movable template 3 through the demoulding mechanism 9, the inner wall of the movable template 3 is separated from the outer wall of the product, and then the ejector rod 7 is lifted on the belt compression rod 8, the ejector plate 4 moves upwards to completely eject the product out of the connecting cavity 2, and the product is demolded and ejected to be linked, so that the production is facilitated.

The bottom plate of movable mould board 3 is isosceles trapezoid structure, and the movable mould board 3 of being convenient for is laminated closely with knock-out plate 4 completely, connects the bottom surface all around of chamber 2 and opens there is spout 11, the equal fixed mounting slider 10 in bottom surface of movable mould board 3, and slider 10 slip joint spout 11, and slider 10 and spout 11 are matched with T type structure, and it is spacing to lead movable mould board 3.

The compression rod 8 comprises a guide groove 84, the guide groove 84 is formed in each of two sides of the fixed die holder 1, a sliding sleeve 83 is slidably clamped in the guide groove 84, the sliding sleeve 83 is fixedly connected with two ends of the pulling plate 5, a pressing plate 82 is slidably sleeved in the sliding sleeve 83, a pressure spring 81 is installed between the top of the pressing plate 82 and the top of an inner cavity of the sliding sleeve 83, the bottom of the pressing plate 82 is fixedly connected with one end of the sliding rod 85, the bottom of the sliding rod 85 penetrates through the cross groove 6 and is fixedly connected with one end of a connecting rod 86, the connecting rod 86 is slidably clamped in the cross groove 6, the other end of the connecting rod 86 is fixedly connected with the bottom surface of the ejector rod 7, the connecting rods 86 and the cross groove 6 are of a matched cross structure, the pressure spring 81 is always in a compression state, the depth of the cross groove 6 is larger than the height of the connecting cavity 2, when the pulling plate 5 moves downwards, the pulling plate, the connecting rod 86 directly pulls down the ejector rod 7, so that the ejector plate 4 is firstly attached to the bottom of the connecting cavity 2, when the pulling plate 5 continuously moves downwards and drives the demolding mechanism 9, the sliding sleeve 83 slides along the guide groove 84 at the moment, the sliding rod 85 keeps still, the pressure spring 81 is compressed, when the mold is opened, the pulling plate 5 directly drives the demolding mechanism 9 to move, the sliding sleeve 83 moves upwards at the moment, the pressure of the pressure spring 81 enables the pressing plate 82 to continuously press the sliding rod 85, the sliding rod 85 still keeps still, the ejector plate 4 keeps still, the movable mold plate 3 is conveniently separated from a product, when the bottom of the inner cavity of the sliding sleeve 83 is in contact with the pressing plate 82, the sliding sleeve 83 pulls the sliding rod 85 through the pressing plate 82, the sliding rod 85 moves upwards at the moment, so that the ejector plate 4 is lifted, and.

The demoulding mechanism 9 comprises a rotating shaft 91, the rotating shaft 91 is rotatably sleeved in the fixed die base 1 around the connecting cavity 2, the middle part of the rotating shaft 91 is fixedly sleeved with a gear column 92, the bottom of one end of the gear column 92 is meshed with a transverse rack 93, the transverse rack 93 is slidably clamped in the fixed die base 1 and is fixedly connected with the outer wall of the movable die plate 3, a bevel gear group 97 matched with the end surface of the adjacent rotating shaft 91 is arranged between the end surfaces of the adjacent rotating shaft 91, the side wall of the middle part of the pulling plate 5 is fixedly connected with a pressing rod 96, two sides of the fixed die base 1 are slidably clamped with vertical racks 94, the pressing rod 96 is tightly pressed on the vertical racks 94, a spring 95 is arranged between the bottom of the vertical rack 94 and the fixed die base 1, the spring 95 is always in a compression state, a limiting groove 12 is arranged in the fixed die base 1, the vertical racks 94 are slidably clamped in the limiting groove 12, the cross sectional area of the pressing rod 96 is smaller than that of, when the die is closed, the pull plate 5 firstly presses the compression rod 8, at the same time, the compression rod 96 is not contacted with the vertical rack 94, the vertical rack 94 is positioned at the top of the limit groove 12 under the elasticity of the spring 95, the movable die plate 3 keeps a separation state, so that the ejection plate 4 firstly slides to the bottom of the connecting cavity 2, then the compression rod 96 slides into the limit groove 12 to be contacted with and press the vertical rack 94, the vertical rack 94 moves downwards to drive the gear post 92 to rotate, the plurality of rotating shafts 91 synchronously rotate through the bevel gear set 97, so that the gear post 92 synchronously drives the horizontal rack 93 to move, so that the movable die plate 3 is closed, so that the injection molding is facilitated, after the product is molded, the compression rod 96 moves upwards, at the moment, the compression rod 96 drives the vertical rack 94 to move upwards through the magnet piece, meanwhile, the spring 95 pushes the vertical rack 94, the vertical rack 94 drives the gear post 92 to rotate reversely, so that the, when the vertical rack 94 moves to the top of the stopper groove 12, the pressing rod 96 continues to move upward to be separated from the vertical rack 94.

The working principle is as follows: when the utility model is used, the fixed die holder 1 is fixedly arranged on the injection molding machine, the pull plate 5 is connected with the injection molding machine and moves synchronously with the movable die, when the die assembly is carried out, the pull plate 5 moves downwards, the pull plate 5 presses the sliding sleeve 83 downwards, at the moment, the pressure spring 81 presses the pressure plate 82 downwards, the pressure plate 82 directly presses the sliding rod 85 downwards, the connecting rod 86 directly pulls the ejector rod 7 downwards, so that the ejector plate 4 is firstly attached to the bottom of the connecting cavity 2, at the moment, the pressure rod 96 is in contact with the vertical rack 94, the vertical rack 94 is positioned at the top of the limiting groove 12 under the elasticity of the spring 95, the movable die plate 3 keeps a separated state, when the ejector plate 4 is attached to the bottom of the connecting cavity 2, the pull plate 5 continues to move downwards, at the moment, the sliding sleeve 83 slides along the guide groove 84, the sliding rod 85 keeps motionless, the pressure spring 81 compresses, the ejector plate 4 keeps motionless, at the same time, the pressure rod 96 slides into the, the rotating shafts 91 synchronously rotate through the bevel gear group 97, so that the gear posts 92 synchronously drive the transverse racks 93 to move, thereby closing the movable template 3, the movable template 3 is tightly attached to the ejection plate 4 to form a cavity, thereby facilitating injection molding, when a product is molded, the pulling plate 5 moves upwards, the pressing rod 96 drives the vertical rack 94 to move upwards through a magnet sheet, meanwhile, the vertical rack 94 is pushed by the pressure of the spring 95, the vertical rack 94 drives the gear posts 92 to rotate reversely, so that the movable templates 3 are synchronously far away, thereby realizing the quick separation of the product and the movable template 3, meanwhile, the pulling plate 5 drives the sliding sleeve 83 to move upwards, but the pressure of the pressure spring 81 enables the pressure plate 82 to continuously press the sliding rod 85, the sliding rod 85 still keeps still, the ejection plate 4 keeps still, the movable template 3 is conveniently separated from the product, when the bottom of the inner cavity of the sliding sleeve 83 is contacted with the pressure plate 82, the sliding sleeve 83, at the moment, the sliding rod 85 moves upwards, so that the ejection plate 4 is lifted upwards, and the product is ejected out of the die, so that the steps of demoulding and ejecting are carried out in sequence, and the processing and production of the product are facilitated.

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

Claims

1. The utility model provides an ejecting structure of mould, includes die holder (1), its characterized in that: open at the top of die holder (1) has connection chamber (2), connect inner wall slip joint movable mould board (3) all around of chamber (2), the bottom surface middle part of connecting chamber (2) is equipped with liftout plate (4), the die cavity that closely laminates in liftout plate (4) and movable mould board (3), open the bottom of die holder (1) has cross recess (6), cross recess (6) middle part slip joint ejector rod (7), the bottom surface of top fixed connection ejector plate (4) of ejector rod (7), the both sides outer wall of die holder (1) all laminates arm-tie (5), be connected between the both ends of arm-tie (5) and ejector rod (7) pole (8), install demoulding mechanism (9) between the middle part of arm-tie (5) and movable mould board (3).

2. The mold ejection structure according to claim 1, wherein: the bottom plate of movable mould board (3) is isosceles trapezoid structure, connect the bottom surface all around of chamber (2) and open there are spout (11), the equal fixed mounting slider (10) in bottom surface of movable mould board (3), slider (10) slip joint spout (11), and slider (10) and spout (11) are matched with T type structure.

3. The mold ejection structure according to claim 1, wherein: compression pole (8) include guide way (84), guide way (84) have all been opened to the both sides of die holder (1), joint sliding sleeve (83) slides in guide way (84), the both ends of sliding sleeve (83) fixed connection arm-tie (5), sliding sleeve connects clamp plate (82) in sliding sleeve (83), install pressure spring (81) between the top of clamp plate (82) and the inner chamber top of sliding sleeve (83), the one end of the bottom fixed connection slide bar (85) of clamp plate (82), the one end of cross recess (6) and fixed connection connecting rod (86) is run through to the bottom of slide bar (85), connecting rod (86) slide joint is in cross recess (6), and the bottom surface of the other end fixed connection ejector pin (7) of connecting rod (86).

4. A mold ejection structure according to claim 3, wherein: the connecting rods (86) and the cross grooves (6) are of a cross structure matched with each other, the pressure spring (81) is always in a compressed state, and the depth of each cross groove (6) is larger than the height of each connecting cavity (2).

5. The mold ejection structure according to claim 1, wherein: demoulding mechanism (9) is including pivot (91), all rotate in connection chamber (2) surrounding die holder (1) and cup joint pivot (91), the equal fixed gear post (92) that cup joints in middle part of pivot (91), the one end bottom meshing horizontal rack (93) of gear post (92), horizontal rack (93) sliding clamping connects the outer wall of fixed connection movable mould board (3) in die holder (1), and is adjacent installation matched with bevel gear group (97) between the terminal surface of pivot (91), the middle part lateral wall fixed connection depression bar (96) of arm-tie (5), rack (94) are erected to the equal slip joint in both sides of die holder (1), depression bar (96) closely press on erecting rack (94), install spring (95) between the bottom of erecting rack (94) and die holder (1).

6. The mold ejection structure according to claim 5, wherein: the spring (95) is always in a compression state, a limiting groove (12) is formed in the fixed die holder (1), the vertical rack (94) is connected in the limiting groove (12) in a sliding mode, the cross section area of the pressing rod (96) is smaller than that of the vertical rack (94) and the limiting groove (12), and the bottom of the pressing rod (96) and the top of the vertical rack (94) are provided with the magnet pieces which are adsorbed mutually.