Compact type in-mold rotary double-color injection mold
Technical Field
The utility model belongs to the technical field of double-shot injection molding, and particularly relates to a compact type rotary double-shot injection mold.
Background
In recent years, with the development of science and technology, there are more and more places where mechanical automation is adopted to rotate a bicolor connector in a mold, and how to manufacture the rotating bicolor connector in the mold on a large scale to meet the requirement of more quantity becomes a problem to be solved, and the injection molding design of the traditional mold manufacturing industry is single, so that the injection molding cannot be performed on a large scale to a required product, which is not beneficial to improving the manufacturing efficiency of the product.
At present, most of double-shot injection molds are driven to rotate by a motor, but the double-shot injection molds consume a large amount of power resources in a motor mode, and cannot be driven to rotate by the linkage of the existing structure, so that the practicability is low, and the compact type in-mold rotary double-shot injection mold is provided for solving the problems.
Disclosure of Invention
The utility model aims to make up the defects of the prior art and provides a compact in-mold rotary double-color injection mold.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a rotatory double-shot injection mold in compact section mould, includes the bottom plate, the four corners on bottom plate top all is rigid coupling has the connecting plate, the top of connecting plate all is rigid coupling has the roof, the top rigid coupling of roof has the cylinder, the bottom rigid coupling of the flexible end of cylinder has the upper die, the bottom of upper die is equipped with the bed die, first die cavity and second die cavity have been seted up respectively to the both sides on bed die top, the both sides on upper die top all are rigid coupling has the injection pipe, the bottom of bed die is equipped with rotary mechanism;
the rotary mechanism comprises a cavity formed in the lower die, the top end of the cavity is rotationally connected with a rotary rod, the top end of the rotary rod is fixedly connected with the lower die, a first bevel gear is fixedly connected with the bottom end of the rotary rod, a second bevel gear is connected with the first bevel gear in a meshed mode, and a rod body at the other end of the second bevel gear extends to the outside of the lower die.
As the preferable scheme of this embodiment, the tip rigid coupling of the body of rod of the second bevel gear other end has the gear, the side rigid coupling of last mould has the L shaped plate.
As the preferred scheme of this embodiment, a set of spacing groove has been seted up on the surface of L shaped plate, all sliding connection has the magnetism tooth piece in the spacing groove, the side of bottom plate is held and is fixed with magnet piece and magnet respectively.
As the preferred scheme of this embodiment, the top of bottom plate is equipped with demoulding mechanism, demoulding mechanism is including seting up the drawing of patterns groove in No. two mould grooves, the drawing of patterns piece has been setted up to the bottom of drawing of patterns groove, the bottom rigid coupling of drawing of patterns piece has the ejector pin.
As the preferred scheme of this embodiment, the bottom rigid coupling of ejector pin has the ring, and the ejector pin rigid coupling is in one side on ring top, L shaped plate is close to one side of cylinder and articulates there is the swivel plate.
As the preferred scheme of this embodiment, half arc groove has been seted up at the top that the bevel gear of two numbers kept away from the one end body of rod of bevel gear, one side rigid coupling that the bottom plate is close to the gear has L shape pole, and the tip of L shape pole is located half arc inslot.
As a preferable scheme of the embodiment, the top end of the bottom plate is fixedly connected with a magnet, and the material of the rotating plate is composed of iron.
As a preferable scheme of the embodiment, the top end of the bottom plate is fixedly connected with a limiting plate.
As a preferable scheme of the embodiment, a group of support columns are fixedly connected to the top end of the bottom plate.
As the preferable scheme of this embodiment, the top of support column all rotates and is connected with the swivel ball.
Compared with the prior art, the utility model has the following beneficial effects:
(1) According to the utility model, the L-shaped plate is driven to move upwards by the extension and retraction of the extension and retraction end of the air cylinder, the L-shaped plate drives the magnetic tooth block to move upwards, the magnetic tooth block drives the gear to rotate 180 degrees, the gear drives the lower die to rotate 180 degrees, and the attraction and repulsion between the magnet and the magnetic tooth block are utilized to control the rotation of the gear, so that double-color injection molding is realized.
(2) According to the utility model, the end part of the rotating plate is rotated to the bottom of the circular ring, the telescopic end of the cylinder drives the L-shaped plate to move upwards, so that the lower die rotates, the L-shaped plate drives the rotating plate to move upwards, the rotating plate moves upwards to be in contact with the circular ring, the circular ring is driven to move upwards, the circular ring drives the ejector rod to move upwards, and the ejector rod drives the stripping module to move upwards, so that the injection molding piece is ejected out, and the injection molding piece stripping is facilitated.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a schematic view of a rotary mechanism according to the present utility model;
FIG. 4 is a schematic view of a demolding mechanism according to the present utility model;
FIG. 5 is a top view of the lower mold of the present utility model;
FIG. 6 is a diagram showing the connection between a support column and a rotatable ball according to the present utility model;
FIG. 7 is a diagram showing the connection relationship between a half arc groove and an L-shaped rod in the present utility model.
The figure shows: 1. bottom plate, 2, connecting plate, 3, roof, 31, cylinder, 4, last mould, 5, lower mould, 6, mould groove No. 7, no. two mould grooves, 8, injection molding pipe, 9, rotary mechanism, 90, cavity, 91, bull stick, 92, no. one bevel gear, 93, two bevel gears, 94, gear, 95, L shaped plate, 96, spacing groove, 97, magnetism tooth piece, 98, magnet, 99, magnet, 10, demoulding mechanism, 101, demoulding groove, 102, demoulding block, 103, ejector pin, 104, rotating plate, 105, ring, 11, half arc groove, 12, L shaped rod, 13, magnet stone, 14, spacing plate, 15, support column, 16, rotating ball.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 7, an embodiment of the present utility model provides a compact in-mold rotary dual-color injection mold, which includes a bottom plate 1, four corners at the top end of the bottom plate 1 are fixedly connected with a connecting plate 2, the top end of the connecting plate 2 is fixedly connected with a top plate 3, the top end of the top plate 3 is fixedly connected with a cylinder 31, the bottom of the telescopic end of the cylinder 31 is fixedly connected with an upper mold 4, the bottom of the upper mold 4 is provided with a lower mold 5, the top end of the bottom plate 1 is fixedly connected with a group of support columns 15, the support columns 15 are designed to support the lower mold 5, the top ends of the support columns 15 are rotatably connected with turning balls 16, the turning balls 16 are beneficial to reducing friction with the lower mold 5, two sides at the top end of the lower mold 5 are respectively provided with a first mold groove 6 and a second mold groove 7, and two sides at the top end of the upper mold 4 are fixedly connected with an injection molding pipe 8.
Referring to fig. 2 and 3, a rotation mechanism 9 is disposed at the bottom of the lower mold 5, the rotation mechanism 9 includes a cavity 90 formed inside the lower mold 5, a rotating rod 91 is rotatably connected to the top end of the cavity 90, the top end of the rotating rod 91 is fixedly connected to the lower mold 5, a first bevel gear 92 is fixedly connected to the bottom end of the rotating rod 91, a second bevel gear 93 is engaged and connected to the first bevel gear 92, a rod body at the other end of the second bevel gear 93 extends to the outside of the lower mold 5, a half arc groove 11 is formed at the top of the rod body at one end of the second bevel gear 93, an L-shaped rod 12 is fixedly connected to one side of the bottom plate 1, close to the gear 94, the end of the L-shaped rod 12 is located in the half arc groove 11, the half arc groove 11 and the L-shaped rod 12 are designed, so that the gear 94 can only rotate 180 °, the end of the rod body at the other end of the second bevel gear 93 is fixedly connected with a gear 94, an L-shaped plate 95 is fixedly connected to the side of the upper mold 4, a set of limiting grooves 96 are formed on the surface of the L-shaped plate 95, magnetic tooth blocks 97 are slidingly connected in the limiting grooves 96, and the side ends of the bottom plate 1 are fixedly connected with iron absorbing blocks 98 and magnets 99 respectively.
In this embodiment, injection molding is performed to the inside of the second mold cavity 7 through the injection molding pipe 8, then the telescopic end of the air cylinder 31 is controlled to move upwards, the telescopic end of the air cylinder 31 drives the upper mold 4 to move upwards, the upper mold 4 drives the L-shaped plate 95 to move upwards, the L-shaped plate 95 drives the magnetic tooth block 97 to move upwards, the magnetic tooth block 97 starts to mesh with the gear 94, the gear 94 is driven to rotate, the gear 94 drives the second bevel gear 93 to rotate, the first bevel gear 92 rotates 180 degrees, the first bevel gear 92 drives the rotating rod 91 to rotate 180 degrees, the rotating rod 91 drives the lower mold 5 to rotate, the positions of the first mold cavity 6 and the second mold cavity 7 are reversed, the magnetic tooth block 97 slides into the limiting groove 96 under the suction force of the magnet block 98 in the process of moving upwards, at this moment, the telescopic end of the air cylinder 31 moves downwards, the L-shaped plate 95 does not drive the gear 94 to rotate, at this time, the lower die 5 can be guaranteed to be unchanged after rotating, the magnetic tooth block 97 gradually moves to the lower part of the gear 94, the magnet 99 and the magnetic tooth block 97 repel each other, the magnetic tooth block 97 slides out of the limiting groove 96, and then injection molding is carried out on the magnetic tooth block through the injection molding pipe 8, so that double-color injection molding is achieved, the L-shaped plate 95 is driven to move upwards by means of extension and contraction of the telescopic end of the air cylinder 31, the L-shaped plate 95 drives the magnetic tooth block 97 to move upwards, the magnetic tooth block 97 drives the gear 94 to rotate 180 degrees, the gear 94 drives the lower die 5 to rotate 180 degrees, and the magnet 99 and the magnetic tooth block 97 attract and repel each other to control rotation of the gear 94, so that double-color injection molding is achieved.
Referring to fig. 4 and 7, the top end of the bottom plate 1 is provided with a demolding mechanism 10, the demolding mechanism 10 comprises a demolding groove 101 formed in the second mold groove 7, a demolding module 102 is formed at the bottom end of the demolding groove 101, a push rod 103 is fixedly connected to the bottom end of the demolding block 102, a circular ring 105 is fixedly connected to the bottom end of the push rod 103, the push rod 103 is fixedly connected to one side of the top end of the circular ring 105, a rotating plate 104 is hinged to one side of the L-shaped plate 95, which is close to the cylinder 31, a magnet 13 is fixedly connected to the top end of the bottom plate 1, the rotating plate 104 is made of iron, the magnet 13 is attracted with the rotating plate 104 during injection molding, rotation of the rotating plate 104 is avoided, the demolding module 102 is prevented from entering the material in a molten state, a limiting plate 14 is fixedly connected to the top end of the bottom plate 1, and the limiting plate 14 is designed, and limiting on the rotation angle of the rotating plate 104 is achieved.
In this embodiment, after the injection molding is performed, the end of the rotating plate 104 is rotated to the bottom of the circular ring 105, the telescopic end of the control cylinder 31 moves upwards, the cylinder 31 drives the L-shaped plate 95 to move upwards, the L-shaped plate 95 drives the magnetic tooth block 97 to move upwards, the magnetic tooth block 97 drives the gear 94 to rotate, the gear 94 drives the lower mold 5 to rotate, simultaneously, the L-shaped plate 95 drives the rotating plate 104 to move upwards in the upward moving process, the rotating plate 104 gradually contacts with the circular ring 105, then drives the circular ring 105 to move upwards, the circular ring 105 drives the ejector rod 103 to move upwards, and the circular ring 105 rotates around the rotating rod 91, so that the rotating plate 104 always contacts with the circular ring 105 and extrudes upwards the circular ring 105, the injection molding is ejected in the rotating process, the structure drives the L-shaped plate 95 to move upwards through the end of the rotating plate 104, simultaneously, the L-shaped plate 95 drives the rotating plate 104 to move upwards, the rotating plate 104 moves upwards with the circular ring 105, then drives the circular ring 105 to move upwards, and the circular ring 105 drives the circular ring 103 to move upwards, and the ejector rod 103 drives the ejector rod 102 to move upwards, thereby facilitating the injection molding.
The working principle of the utility model is as follows: during operation, injection molding is performed to the inside of the second die cavity 7 through the injection molding pipe 8, then the telescopic end of the air cylinder 31 is controlled to move upwards, the telescopic end of the air cylinder 31 drives the upper die 4 to move upwards, the upper die 4 drives the L-shaped plate 95 to move upwards, the L-shaped plate 95 drives the magnetic tooth block 97 to move upwards, the magnetic tooth block 97 starts to mesh with the gear 94, the gear 94 is driven to rotate, the gear 94 drives the second bevel gear 93 to rotate, the first bevel gear 93 drives the first bevel gear 92 to rotate 180 degrees, the first bevel gear 92 drives the rotating rod 91 to rotate 180 degrees, the rotating rod 91 drives the lower die 5 to rotate, the positions of the first die cavity 6 and the second die cavity 7 are reversed, the magnetic tooth block 97 slides into the limiting groove 96 under the suction force of the magnet block 98 in the process of moving upwards of the L-shaped plate 95, at this moment, the telescopic end of the air cylinder 31 moves downwards, the L-shaped plate 95 moves downwards and does not drive the gear 94 to rotate, at this time, the lower die 5 can be guaranteed to be unchanged after rotating, the magnetic tooth block 97 gradually moves to the lower part of the gear 94, the magnet 99 and the magnetic tooth block 97 repel each other, the magnetic tooth block 97 slides out of the limiting groove 96, and then injection molding is carried out on the magnetic tooth block through the injection molding pipe 8, so that double-color injection molding is achieved, the L-shaped plate 95 is driven to move upwards by means of extension and contraction of the telescopic end of the air cylinder 31, the L-shaped plate 95 drives the magnetic tooth block 97 to move upwards, the magnetic tooth block 97 drives the gear 94 to rotate 180 degrees, the gear 94 drives the lower die 5 to rotate 180 degrees, and the magnet 99 and the magnetic tooth block 97 attract and repel each other to control rotation of the gear 94, so that double-color injection molding is achieved.
After injection molding, the end of the rotating plate 104 is rotated to the bottom of the circular ring 105, the telescopic end of the cylinder 31 is controlled to move upwards, the cylinder 31 drives the L-shaped plate 95 to move upwards, the L-shaped plate 95 drives the magnetic tooth block 97 to move upwards, the magnetic tooth block 97 drives the gear 94 to rotate, the gear 94 drives the lower die 5 to rotate, simultaneously, the L-shaped plate 95 drives the rotating plate 104 to move upwards in the upward moving process, the rotating plate 104 is gradually contacted with the circular ring 105, then the circular ring 105 is driven to move upwards, the ejector rod 103 is driven to move upwards, and the circular ring 105 rotates around the rotating rod 91, so that the rotating plate 104 always contacts with the circular ring 105 and extrudes upwards, in the rotating process, the lower die 5 is ejected, the structure drives the L-shaped plate 95 to move upwards, the lower die 5 rotates, simultaneously, the L-shaped plate 95 drives the rotating plate 104 to move upwards, the circular ring 105 is driven to move upwards, and the ejector rod 103 drives the ejector rod 103 to move upwards, so that the injection molding is facilitated.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.