JP2019202530A - Device capable of stirring plastic injection molding raw material - Google Patents

Abstract

To disclose a precise device for mold for injection molding.SOLUTION: A precise device for mold for injection molding includes a machine body attached to a housing, a mixing body is arranged in the machine body, a discharge groove communicating with outside is arranged on a bottom wall of the mixing body, a first transmission body is arranged on the radical sign body, a second transmission body is arranged on the first transmission body, a rotation body is communicated with and arranged between the first transmission body and the second transmission body, a first slide groove extending vertically is arranged on an inner wall of the rotation body, a second slide groove is arranged on right and left end walls of the first slide groove, a first slide block sliding vertically is attached to the first slide groove, a second slide block connected to the fist slide block with fixation to the second slide groove with sliding, a screw thread lever extending vertically is engaged and attached to the second slide block, and a lower end of the screw thread lever is attached to a bottom wall of the second slide groove with rotation.SELECTED DRAWING: Figure 1

Description

  The present invention relates to the field of injection molding, and more specifically, to an apparatus for precision injection molding.

  A plastic product is a generic name for daily life and industrial products made by processing plastic as a main raw material. All craft products such as injection molding and vacuum molding using plastic as a raw material. Rubber is a synthetic polymer material with plasticity and is said to be one of the three major synthetic materials that are lacking in current daily life together with synthetic rubber and synthetic fibers. Specifically, plastic is a material whose main component is natural or synthetic resin, with various additives added, molded into a certain shape under certain conditions such as temperature and pressure, and the shape does not change at room temperature. .

In the injection molding process, the additive is added to the plastic parent granule, and after stirring and mixing, it is put into an extruder, heated and solubilized, and then an injection molding operation is performed. The stirring direction of a traditional stirrer is single, the mixing of plastic parent particles and additives is uneven, the mixing efficiency is lowered, and there is a risk of producing defective products.

Chinese Patent Application No. 102990865 Specification

  It is an object of the present invention to provide a precise injection mold apparatus for solving the problems submitted to the background art described above.

The precision injection molding die apparatus of the present invention includes an airframe attached to a housing, a mixing housing is installed in the airframe, and a discharge groove communicating with the outside is installed in the bottom wall of the mixing housing, A first transmission housing is installed on the root housing, a second transmission housing is installed on the first transmission housing, and between the first transmission housing and the second transmission housing. A rotating housing is connected to the inner wall of the rotating housing, a first slide groove extending vertically is installed on the inner wall of the rotating housing, a second slide groove is installed on the left and right end walls of the first sliding groove, A first slide block that slides up and down is attached to the slide groove, and a second slide block that is fixedly connected to the first slide block is slid and attached to the second slide groove. Threaded lever that extends into engagement And the lower end of the thread lever is rotated and attached to the bottom wall of the second slide groove, and the upper end is rotated and attached to the first electric machine on the top wall of the second slide groove. A first through-all that is connected to the first slide block and is connected to the first slide block, and a rotary block that is in the rotary casing and extends vertically is attached to the first through hole through a bearing. A first friction plate is fixedly attached to the upper end surface of the rotating block, and a second through hole is provided in the rotating block so as to communicate with the upper and lower sides and penetrate the first friction plate. A first rotating disk connected to the block and fixedly installed; an outer ring gear is installed on an outer periphery of the first rotating disk; and the outer ring gear is mounted on the first transmission housing. A main driving gear meshing with a gear is installed, and the main driving gear is connected by power to a second electric machine fixedly attached to the top wall of the first transmission housing through the main driving shaft, and is below the lower end surface of the first rotating disk. An extending ring-shaped convex part is installed, an inner cone tooth is installed on the inner side surface of the ring-shaped convex part, an outer cone tooth is installed on the outer side surface of the ring-shaped convex part, and a large number of the inner cones are provided in the first transmission housing. A first bevel gear meshing with teeth and a second bevel gear meshing with many of the outer cone teeth are installed, and extend vertically on the bottom wall of the first transmission housing, and the first bevel gear and the second bevel gear respectively. A first rotating shaft and a second rotating shaft fixedly connected to each other and rotated and attached, and the lower ends of the first rotating shaft and the second rotating shaft are inserted into the mixing housing and the first stirring arm and the second rotating shaft, respectively. Agitating arm and fixedly attached, between the first transmission housing and the mixing housing A central shaft extending upward is rotated and attached, and the central shaft is inserted into the second transmission housing through the second through hole, and is fixedly connected to the central shaft to the second transmission housing. A second rotating plate is installed, a second friction plate is fixedly attached to the lower end surface of the second rotating plate, a third friction plate is fixedly attached to the upper end surface of the second rotating plate, and the second transmission housing A third slide groove that communicates with the second transmission housing is installed on the top wall of the body, a third slide block is slid and attached to the third slide groove, and the third slide block is attached to the second transmission housing. A third rotating block connected to the lower end of the third rotating block is installed, a fourth friction plate is fixedly attached to the lower end surface of the third rotating block, and a supply screw bolt extending vertically is installed on the mixing housing. Insert the lower end the discharge groove of the feed screw bolt, the upper end is connected to the fixed to the central axis.

As a further technical plan, a fourth slide groove extending vertically and penetrating the second friction plate and the third friction plate is installed on the second rotating disk, and a push rod slides in the fourth slide groove. The ball is rotated and mounted on the upper end surface of the push rod, the first stop groove is symmetrically installed on the left and right end walls of the fourth slide groove, and the push rod is fixedly connected to the first stop groove. The first stop block is slid and attached, the first compression spring is fixedly attached to the upper end surface of the first stop block, and the upper end of the first compression spring is fixedly connected to the top wall of the fourth slide groove. When the first compression spring presses the first stop block downward, the lower end of the push rod protrudes from the fourth slide groove and the ball slides to the fourth slide. Contracts in the groove.

As a further technical plan, second stop grooves are symmetrically installed on the left and right end walls of the third slide groove, and the second stop block fixedly connected to the third slide block slides into the second stop groove. The second compression spring is fixedly attached to the upper end surface of the third slide block, the upper end of the second compression spring is fixedly connected to the top wall of the slide groove, and the second compression spring is The fourth friction plate contacts the third friction plate by pressing down the three slide blocks.

As a further technical plan, an import groove is installed on the top wall of the mixing casing, which is in communication with the outside and installed at an inclination.

As a further technical plan, the tooth thickness of the main driving gear is larger than the tooth thickness of the outer ring gear, so that the main driving gear and the outer ring gear mesh when sliding up and down on the rotating disk.

As a further technical plan, crossings are distributed between the second stirring arm and the first stirring arm.

The beneficial effect of the present invention is: When the device of the present invention is in the initial state, the first slide block and the bottom wall of the first slide groove meet, the first friction plate contracts to the rotating housing, Inner cone teeth and outer cone teeth respectively mesh with the first bevel gear and the second bevel gear, and under the action of the first compression spring, the first stop block is pressed downward, and the lower end of the push rod Squeezed out from the fourth slide groove, the ball contracted into the fourth slide groove, the third slide block was pressed downward under the action of the second compression spring, and the fourth friction plate Hits the third friction plate, so that it does not rotate when the supply screw bolt is in the initial state, and further does not rotate when it rotates to the first turntable, so that the material falls from the discharge groove. It can be prevented.

  When used, plastic parent particles and additives are put into the mixing housing from the import groove, the second electric machine rotates with the main driving gear through the main driving shaft, and the main driving gear rotates the first rotating disk. The first rotating disc rotates with the ring-shaped convex part, and thereby the ring-shaped convex part drives the first bevel gear and rotates in the same direction, while simultaneously rotating the second bevel gear. Drives and rotates in opposite directions, thereby rotating in the opposite direction with the first and second stirring arms through the first and second rotating shafts, respectively, and stirring the plastic parent particles and additives Mix.

  After mixing evenly, the first electric machine is started, the first electric machine moves up by driving the second slide block through the thread lever, and the second slide block passes through the first slide block. In the process of moving up with the rotating block, moving up the rotating block with the first friction, and moving the first friction up, the first friction presses the push rod up. The third rotating plate is pressed by the push rod and slides upward, whereby the fourth friction plate is separated from the third friction plate, and the first friction plate and the second friction plate are brought into contact with each other. Thereafter, the first electric machine is stopped, and at that time, the inner cone teeth and the outer cone teeth are engaged with the first bevel gear and the second bevel gear, respectively. When the second electric machine operates, the second rotating disk is driven to rotate, the second rotating disk rotates with the central axis, and the central axis with the supply screw bolt. And the plastic in the mixing casing is discharged to the extruder, thereby completing a precise plastic injection process.

  In the apparatus of the present invention, since the first stirring arm and the second stirring arm rotate in opposite directions, the stirring and mixing efficiency and quality can be improved, the quality of plastic products can be improved, and the ratio of defective products can be reduced.

In order to more clearly explain the technical solutions in the embodiments of the present invention and in the existing technology, the following is a brief introduction to the accompanying drawings that need to be used in the description of the embodiments and the existing technology. It should be understood that the accompanying drawings in the following description are only some embodiments of the present invention, and that other engineers based on these appended drawings are assumed based on the assumption that creative labor is not paid to ordinary engineers in this field. Attached figure can be obtained.

FIG. 1 is a schematic structural view of a precise injection molding die apparatus according to the present invention. FIG. 2 is an enlarged schematic view of the relevant part of FIG. FIG. 3 is a structural schematic diagram in the direction of the arrow in FIG.

All features disclosed in the present invention or all disclosed methods and steps in the process may be combined in any manner other than features or steps that are mutually exclusive.

All features disclosed in the present invention may be replaced with other equivalent features having equivalent or similar purposes unless otherwise specified. That is, unless otherwise stated, all features are just one example in a series of equivalent or similar features.

As shown in FIGS. 1 to 3, the precision injection mold apparatus of the apparatus of the present invention includes a machine body 11 attached to a housing 10, and a mixing housing 12 is installed in the machine body, and the mixing housing 12 A discharge groove 30 communicating with the outside is installed in the bottom wall of the first transmission housing 111, the first transmission housing 111 is installed on the root housing, and the second transmission housing 23 is installed on the first transmission housing 111. Installed, a rotating housing is communicated and installed between the first transmission housing 111 and the second transmission housing 23, and a first slide groove 51 extending vertically is installed on the inner wall of the rotating housing, Second slide grooves 35 are installed on the left and right end walls of the first slide groove 51, and a first slide block 32 that slides up and down is attached to the first slide groove 51. A second slide block 33 fixedly connected to one slide block 32 is slid and attached, and the second slide block 33 is attached. A thread lever 34 extending vertically is engaged with and attached to the id block 33, the lower end of the thread lever 34 is rotated and attached to the bottom wall of the second slide groove 35, and the upper end is the second slide groove 35. A first through-all that is rotated and attached to the first electric machine 36 on the top wall of the first wall 36 and is connected to the first electric machine 36 by power and communicates with the first slide block 32 in the vertical direction is installed in the first through hole. A rotary block 24 which is in the rotary casing and extends vertically is attached by rotating through a bearing, a first friction plate is fixedly attached to an upper end surface of the rotary block 24, and the upper and lower sides communicate with the rotary block 24 and A second through hole 31 penetrating the first friction plate is installed, and a first rotating disk 25 fixedly connected to the rotating block 24 is installed in the first transmission housing 111, and the first An outer ring gear 26 is installed on the outer periphery of the turntable 25, a main driving gear 19 that meshes with the outer ring gear 26 is installed in the first transmission casing 111, and the main driving gear 19 is connected to the first transmission casing 111 through the main driving shaft 20. A ring-shaped convex part 27 that is connected to a second electric machine 21 fixedly attached to the top wall of the first rotary plate 25 and that extends downward is installed on the lower end surface of the first rotating disk 25, and an inner cone is formed on the inner side surface of the ring-shaped convex part 27. Teeth are installed, outer cone teeth are installed on the outer surface of the annular convex portion 27, the first bevel gear 18 meshing with the many inner cone teeth in the first transmission housing 111, and many outer cone teeth A meshing second bevel gear 17 is installed, extends vertically on the bottom wall of the first transmission housing 111, and is fixedly connected to the first bevel gear 18 and the second bevel gear 17, respectively. And the second rotary shaft 13 are rotated and attached, and the lower ends of the first rotary shaft 15 and the second rotary shaft 13 are inserted into the mixing housing 12. And fixedly attached to the first stirring arm 16 and the second stirring arm 14, respectively, and a central shaft 28 extending upwardly between the first transmission housing 111 and the mixing housing 28 is rotated and attached to the center. The shaft 28 is inserted into the second transmission housing 23 through the second through-hole 31, and the second transmission housing 23 is provided with a second rotating disk 49 fixedly connected to the central shaft 28, A second friction plate 50 is fixedly attached to the lower end surface of the second rotary plate 49, and a third friction plate 48 is fixedly attached to the upper end surface of the second rotary plate 49. A third slide groove 45 communicating with the second transmission housing 23 is installed on the top wall, and a third slide block 42 is slid and attached to the third slide groove 45, and the second transmission housing 23 is attached with the first slide groove 45. There is a third rotating block 22 fixedly connected to the lower end of the three slide block 42. A fourth friction plate 47 is fixedly attached to the lower end surface of the third rotating block 22, and a supply screw bolt 29 extending vertically is installed in the mixing housing 12. The lower end of the supply screw bolt 29 is Inserted into the discharge groove 30, the upper end is fixedly connected to the central shaft 28.

As shown in a useful example, a fourth slide groove extending vertically and penetrating through the second friction plate 50 and the third friction plate 47 is symmetrically installed in the second rotating disk 49. The push rod 37 is slid and attached to the fourth slide groove, the ball 41 is rotated and attached to the upper end surface of the push rod 37, and the first stop groove 39 is symmetrically installed on the left and right end walls of the fourth slide groove. The first stop block 38 fixedly connected to the push bar 37 is slid and attached to the first stop groove 39, and the first compression spring 40 is fixedly attached to the upper end surface of the first stop block 38. The upper end of the first compression spring 40 is fixedly connected to the top wall of the fourth slide groove, and the first compression spring 40 presses the first stop block 38 downward, whereby the lower end of the push rod 37 is Four slide grooves Et Sashideru and the ball 41 is contracted in the fourth sliding groove.

As shown in a useful example, a second stop groove 44 is symmetrically installed in the left and right end walls of the third slide groove 45, and the third slide block 42 is fixed to the second stop groove 44. A second stop block 43 connected to the upper end surface of the third slide block 42 is fixedly attached to the upper end surface of the third slide block 42, and the upper end of the second compression spring 46 is connected to the slide groove 45. The fourth friction plate 47 is in contact with the third friction plate 48 by being fixedly connected to the top wall and the second compression spring 46 pressing the third slide block 42 downward.

As shown in a useful example, an import groove 110 is installed in the top wall of the mixing housing 12 and communicates with the outside and is inclined.

As a useful example, the tooth thickness of the main driving gear 19 is larger than the tooth thickness of the outer ring gear 26, so that the main driving gear 19 and the outer gear 19 are slid up and down on the turntable 25. Ring gear 26 meshes.

As a useful example, the crossing of the second stirring arm 14 and the first stirring arm 16 is distributed therein.

  When the device according to the present invention is in the initial state, the first slide block 32 and the bottom wall of the first slide groove 51 come into contact with each other, the first friction plate contracts to the rotating housing, and the inner cone teeth and the outer teeth Cone teeth mesh with the first bevel gear and the second bevel gear 17, respectively, and under the action of the first compression spring 40, the first stop block 38 is pressed downward, and the lower end of the push rod 37 is Out of the fourth slide groove, the ball 41 contracts into the fourth slide groove, and under the action of the second compression spring 46, the third slide block 42 is pressed downward, and the fourth slide groove The friction plate 47 contacts the third friction plate 48.

  When used, plastic parent particles and additives are put into the mixing casing 12 from the import groove, the second electric machine 21 rotates with the main driving gear 19 through the main driving shaft 20, and the main driving gear 19 is The first rotary disk 25 is driven to rotate, and the first rotary disk 25 rotates with the annular convex part 27, whereby the annular convex part 27 drives the first bevel gear 18 in the same direction. At the same time, the second bevel gear 17 is driven to rotate in the opposite direction, thereby bringing the first stirring arm 16 and the second stirring arm 14 through the first rotating shaft 15 and the second rotating shaft 13, respectively. Rotate in the opposite direction and stir and mix the plastic parent granules and additives.

  After mixing evenly, the first electric machine 36 is started, the first electric machine 36 drives the second slide block 33 through the thread lever 34, and the second slide block 33 moves to the upper side. In the process of moving up with the rotary block 24 through the first slide block 32, the rotary block 24 moves up with the first friction, and the first friction moves up, Friction presses the push rod 37 upward, and the third rotating disk 22 is pressed by the push rod 37 and slides upward, whereby the fourth friction plate 47 separates from the third friction plate 48, and the first After the first friction plate and the second friction plate have come into contact with each other, the first electric machine 36 is stopped, and at that time, the inner conical teeth and the outer conical teeth are the first bevel gear 18 and the The second rotating disk 49 is driven to rotate when the second electric machine operates, the second rotating disk 49 rotates with the central shaft 28, away from the state of meshing with the double bevel gear 17. The central shaft 28 rotates with the supply screw bolt 29, thereby discharging the mixture in the mixing housing 12 to the extruder, thereby completing a precise plastic injection process, improving the quality of the plastic product, The ratio of good products can be reduced.

The present invention relates to the field of injection molding, and more specifically to an apparatus capable of stirring plastic injection molding raw materials .

A plastic product is a generic name for daily life and industrial products made by processing plastic as a main raw material. All craft products such as injection molding and vacuum molding using plastic as a raw material. Rubber is a synthetic polymer material with plasticity and is said to be one of the three major synthetic materials that are lacking in current daily life together with synthetic rubber and synthetic fibers. Specifically, plastic is a material whose main component is natural or synthetic resin, with various additives added, molded into a certain shape under certain conditions such as temperature and pressure, and the shape does not change at room temperature. .

In the injection molding process, the additive is added to the plastic parent granule, and after stirring and mixing, it is put into an extruder, heated and solubilized, and then an injection molding operation is performed. The stirring direction of a traditional stirrer is single, the mixing of plastic parent particles and additives is uneven, the mixing efficiency is lowered, and there is a risk of producing defective products.

Chinese Patent Application No. 102990865 Specification

An object of the present invention is to provide an apparatus capable of stirring a plastic injection molding raw material for solving the problems submitted to the background art described above.

The apparatus capable of stirring the plastic injection molding raw material of the present invention includes a machine body attached to a support bracket , a mixing cavity is installed in the machine body, and a discharge groove communicating with the outside is installed in the bottom wall of the mixing cavity , the mixture is first transmission cavity is placed over the cavity, the second transmission cavity is installed on the first transmission cavity, between the first transmission cavity and said second transmission cavity A rotating cavity is provided in communication, a first slide groove extending vertically is provided on the inner wall of the rotating cavity , a second slide groove is provided on the left and right end walls of the first slide groove, and the first slide is provided. A first slide block that slides up and down is attached to the groove, and a second slide block is fixedly connected to the first slide block in the second slide groove. A ride block is slid and attached, and a thread lever that extends vertically is engaged and attached to the second slide block, and a lower end of the thread lever is rotated and attached to a bottom wall of the second slide groove. Is rotated and attached to the first electric machine on the top wall of the second slide groove and is connected to the first electric machine by power, and the first slide block is provided with a first through hole that communicates with the upper and lower sides. A rotating block that is in the rotating cavity and extends vertically is attached to the through hole through a bearing, a first friction plate is fixedly attached to an upper end surface of the rotating block, and the rotating block is vertically communicated with the rotating block. second through hole is disposed passing through the first friction plate, the rotary block to said first transmission cavity The first rotating disk is disposed which is connected to a fixed, the first rotating disk outer peripheral outer ring gear is installed in the said outer driving gear meshing with a ring gear on the first transmission cavity is installed, the driving gear is the main driving A ring-shaped convex portion that is connected by power to a second electric machine fixedly attached to the top wall of the first transmission cavity through a shaft and extends downward is provided on the lower end surface of the first rotating disk. Inner cone teeth are installed on the side surface, outer cone teeth are installed on the outer surface of the ring-shaped convex portion, and a first bevel gear meshing with the inner cone teeth in the first transmission cavity and a number of the outer cone teeth A second bevel gear that meshes with the first rotating shaft that extends vertically on the bottom wall of the first transmission cavity and that is fixedly connected to the first bevel gear and the second bevel gear, respectively. The shaft is rotated and attached, the first A rotating shaft and a lower end of the second rotating shaft are inserted into the mixing cavity and fixedly attached to the first stirring arm and the second stirring arm, respectively, and between the first transmission cavity and the mixing cavity. A second rotation, wherein the extending central shaft is rotated and attached, the central shaft is inserted into the second transmission cavity through the second through hole, and is fixedly connected to the second transmission cavity. A second friction plate is fixedly attached to the lower end surface of the second rotary disc, a third friction plate is fixedly attached to the upper end surface of the second rotary disc, and the second transmission cavity said second transmission cavity and the phase Tsusuru third slide groove is disposed in the top wall, the third slide block is mounted to slide on the third slide groove, said second transmission cavity Third rotating block is disposed to be connected to a fixed and a lower end of the third slide block I over, the fourth friction plates mounted to the fixed to the lower end surface of the third rotating block, vertically to the mixing cavity An extending supply screw bolt is installed, a lower end of the supply screw bolt is inserted into the discharge groove, and an upper end is fixedly connected to the central shaft.

As a further technical plan, a fourth slide groove extending vertically and penetrating the second friction plate and the third friction plate is installed on the second rotating disk, and a push rod slides in the fourth slide groove. The ball is rotated and mounted on the upper end surface of the push rod, the first stop groove is symmetrically installed on the left and right end walls of the fourth slide groove, and the push rod is fixedly connected to the first stop groove. The first stop block is slid and attached, the first compression spring is fixedly attached to the upper end surface of the first stop block, and the upper end of the first compression spring is fixedly connected to the top wall of the fourth slide groove. When the first compression spring presses the first stop block downward, the lower end of the push rod protrudes from the fourth slide groove and the ball slides to the fourth slide. Contracts in the groove.

As a further technical plan, second stop grooves are symmetrically installed on the left and right end walls of the third slide groove, and the second stop block fixedly connected to the third slide block slides into the second stop groove. The second compression spring is fixedly attached to the upper end surface of the third slide block, the upper end of the second compression spring is fixedly connected to the top wall of the third slide groove, and the second compression spring is By pressing the third slide block downward, the fourth friction plate comes into contact with the third friction plate.

As a further technical plan, an import groove is installed in the top wall of the mixing cavity , which communicates with the outside and is inclined.

As a further technical plan, the tooth thickness of the driving gear is larger than the tooth thickness of the outer ring gear, thereby intends the outer ring gear intermesh with said driving gear when sliding up and down the first rotating disk.

As a further technical plan, crossings are distributed between the second stirring arm and the first stirring arm.

The beneficial effect of the present invention is: When the apparatus of the present invention is in the initial state, the first slide block and the bottom wall of the first slide groove meet, the first friction plate contracts to the rotating cavity , Inner cone teeth and outer cone teeth respectively mesh with the first bevel gear and the second bevel gear, and under the action of the first compression spring, the first stop block is pressed downward, and the lower end of the push rod Squeezed out from the fourth slide groove, the ball contracted into the fourth slide groove, the third slide block was pressed downward under the action of the second compression spring, and the fourth friction plate Hits the third friction plate, so that it does not rotate when the supply screw bolt is in the initial state, and further does not rotate when it rotates to the first turntable, so that the material is transferred from the discharge groove. That it can be prevented.

When used, plastic parent particles and additives are put into the mixing cavity from the import groove, the second electric machine rotates with the main gear through the main shaft, and the main gear rotates the first rotating disk. The first rotating disc rotates with the ring-shaped convex part, and thereby the ring-shaped convex part drives the first bevel gear and rotates in the same direction, while simultaneously rotating the second bevel gear. Drives and rotates in opposite directions, thereby rotating in the opposite direction with the first and second stirring arms through the first and second rotating shafts, respectively, and stirring the plastic parent particles and additives Mix.

After mixing evenly, the first electric machine is started, the first electric machine moves up by driving the second slide block through the thread lever, and the second slide block passes through the first slide block. In the process of moving up with the rotating block, moving up the rotating block with the first friction, and moving the first friction up, the first friction presses the push rod up. The third rotating plate is pressed by the push rod and slides upward, whereby the fourth friction plate is separated from the third friction plate, and the first friction plate and the second friction plate are brought into contact with each other. Thereafter, the first electric machine is stopped, and at that time, the inner cone teeth and the outer cone teeth are engaged with the first bevel gear and the second bevel gear, respectively. When the second electric machine operates, the second rotating disk is driven to rotate, the second rotating disk rotates with the central axis, and the central axis with the supply screw bolt. And then the mixture in the mixing cavity is discharged into the extruder to complete a precision plastic injection process.

In the apparatus of the present invention, since the first stirring arm and the second stirring arm rotate in opposite directions, the stirring and mixing efficiency and quality can be improved, the quality of plastic products can be improved, and the ratio of defective products can be reduced.

In order to more clearly explain the technical solutions in the embodiments of the present invention and in the existing technology, the following is a brief introduction to the accompanying drawings that need to be used in the description of the embodiments and the existing technology. It should be understood that the accompanying drawings in the following description are only some embodiments of the present invention, and that other engineers based on these appended drawings are assumed based on the assumption that creative labor is not paid to ordinary engineers in this field. Attached figure can be obtained.

FIG. 1 is a schematic structural view of an apparatus capable of stirring the plastic injection molding raw material of the present invention. FIG. 2 is an enlarged schematic view of the relevant part of FIG. FIG. 3 is a structural schematic diagram in the direction of the arrow in FIG.

All features disclosed in the present invention or all disclosed methods and steps in the process may be combined in any manner other than features or steps that are mutually exclusive.

All features disclosed in the present invention may be replaced with other equivalent features having equivalent or similar purposes unless otherwise specified. That is, unless otherwise stated, all features are just one example in a series of equivalent or similar features.

In order to explain the present invention in detail with reference to FIGS. 1 to 3 below, and to describe it conveniently, the orientation that appears in the latter sentence is now defined as follows: This corresponds to the up / down / left / right front / rear direction of the projection relationship. As shown in FIGS. 1-3, plastic injection molding material can stir the apparatus of the present invention device comprises a body 11 mounted to the support bracket 10, the mixing cavity 12 is installed in the machine body, said mixing cavity 12 A discharge groove 30 communicating with the outside is installed in the bottom wall of the first transmission cavity 111, the first transmission cavity 111 is installed on the mixing cavity , and the second transmission cavity 23 is installed on the first transmission cavity 111. A rotating cavity is communicated between the first transmission cavity 111 and the second transmission cavity 23, and a first slide groove 51 extending vertically is installed on the inner wall of the rotating cavity. A second slide groove 35 is installed on the left and right end walls of the first slide groove 51, and a first slide block 32 that slides up and down is attached to the first slide groove 51. A second slide block 33 fixedly connected to the first slide block 32 is slid and attached, and a thread lever 34 extending vertically is engaged and attached to the second slide block 33. The lower end of the second slide groove 35 is rotated and attached to the bottom wall of the second slide groove 35, and the upper end is rotated and attached to the first electric machine 36 on the top wall of the second slide groove 35 and connected to the first electric machine 36 by power. The first slide block 32 is provided with a first through hole that communicates with the upper and lower sides, and the rotary block 24 that is in the rotary cavity and extends up and down is attached to the first through hole through a bearing. A first friction plate is fixedly attached to the upper end surface of the block 24, and a second through which passes through the first friction plate and communicates with the rotary block 24 vertically. Hole 31 is installed, the first rotating disk 25 which is connected to the fixed and the rotating block 24 to the first transmission cavity 111 is installed, the outer ring gear 26 is installed on the outer periphery of the first rotating disk 25, the The first transmission cavity 111 is provided with a main driving gear 19 that meshes with the outer ring gear 26, and the main driving gear 19 is fixed to the top wall of the first transmission cavity 111 through the main driving shaft 20 and the power. Is connected to the lower end surface of the first turntable 25, and is provided with an annular convex portion 27 extending downward, an inner conical tooth is disposed on the inner surface of the annular convex portion 27, and an outer surface of the annular convex portion 27. Outer cone teeth are installed, a first bevel gear 18 meshing with many of the inner cone teeth and a second bevel gear 17 meshing with many of the outer cone teeth are installed in the first transmission cavity 111, and the first transmission extending vertically in the bottom wall of the cavity 111 and the respective One bevel gear 18 and the first rotary shaft 15 connected to a fixed second bevel gear 17 second rotation shaft 13 is attached to rotate, the lower end of the first rotary shaft 15 and the second rotary shaft 13 is the mixing A central shaft 28 is inserted into the cavity 12 and fixedly attached to the first stirring arm 16 and the second stirring arm 14, respectively, and extends upward between the first transmission cavity 111 and the mixing cavity 28. The second rotary disk is mounted, and the central shaft 28 is inserted into the second transmission cavity 23 through the second through hole 31 and fixedly connected to the central shaft 28 to the second transmission cavity 23. 49 is installed, a second friction plate 50 is fixedly attached to the lower end surface of the second rotary plate 49, and a third friction plate 48 is fixedly attached to the upper end surface of the second rotary plate 49, The second transmission cabinet is formed on the top wall of the transmission cavity 23. A third slide groove 45 communicating with the tee 23 is installed, and a third slide block 42 is slid and attached to the third slide groove 45, and fixed to the second transmission cavity 23 with the lower end of the third slide block 42. A third rotating block 22 connected to the third rotating block 22, a fourth friction plate 47 is fixedly attached to the lower end surface of the third rotating block 22, and a supply screw bolt 29 extending vertically is installed in the mixing cavity 12. The lower end of the supply screw bolt 29 is inserted into the discharge groove 30, and the upper end is fixedly connected to the central shaft 28.

As shown in a useful example, a fourth slide groove extending vertically and penetrating through the second friction plate 50 and the third friction plate 47 is symmetrically installed in the second rotating disk 49. The push rod 37 is slid and attached to the fourth slide groove, the ball 41 is rotated and attached to the upper end surface of the push rod 37, and the first stop groove 39 is symmetrically installed on the left and right end walls of the fourth slide groove. The first stop block 38 fixedly connected to the push bar 37 is slid and attached to the first stop groove 39, and the first compression spring 40 is fixedly attached to the upper end surface of the first stop block 38. The upper end of the first compression spring 40 is fixedly connected to the top wall of the fourth slide groove, and the first compression spring 40 presses the first stop block 38 downward, whereby the lower end of the push rod 37 is Four slide grooves Et Sashideru and the ball 41 is contracted in the fourth sliding groove.

As shown in a useful example, a second stop groove 44 is symmetrically installed in the left and right end walls of the third slide groove 45, and the third slide block 42 is fixed to the second stop groove 44. A second stop block 43 is slid and attached, and a second compression spring 46 is fixedly attached to an upper end surface of the third slide block 42, and an upper end of the second compression spring 46 is attached to the third slide groove The fourth compression plate 47 contacts the third friction plate 48 by being fixedly connected to the top wall of 45 and the second compression spring 46 pressing the third slide block 42 downward.

As an example, which is useful, an import groove 110 is installed in the top wall of the mixing cavity 12 that communicates with the outside and is inclined.

As a useful example, the tooth thickness of the main drive gear 19 is larger than the tooth thickness of the outer ring gear 26, thereby the main drive gear 19 and the main gear 19 when sliding up and down on the first turntable 25. It said outer ring gear 26 intends intermesh.

As a useful example, the crossing of the second stirring arm 14 and the first stirring arm 16 is distributed therein.

When the device of the present invention is in the initial state, the first slide block 32 and the bottom wall of the first slide groove 51 come into contact with each other, the first friction plate contracts into the rotating cavity , and the inner cone teeth and the outer cone teeth Cone teeth mesh with the first bevel gear and the second bevel gear 17, respectively, and under the action of the first compression spring 40, the first stop block 38 is pressed downward, and the lower end of the push rod 37 is Out of the fourth slide groove, the ball 41 contracts into the fourth slide groove, and under the action of the second compression spring 46, the third slide block 42 is pressed downward, and the fourth slide groove The friction plate 47 contacts the third friction plate 48.

When used, plastic parent particles and additives are put into the mixing cavity 12 from the import groove, the second electric machine 21 rotates with the main driving gear 19 through the main driving shaft 20, and the main driving gear 19 is The first rotary disk 25 is driven to rotate, and the first rotary disk 25 rotates with the annular convex part 27, whereby the annular convex part 27 drives the first bevel gear 18 in the same direction. At the same time, the second bevel gear 17 is driven to rotate in the opposite direction, thereby bringing the first stirring arm 16 and the second stirring arm 14 through the first rotating shaft 15 and the second rotating shaft 13, respectively. Rotate in the opposite direction and stir and mix the plastic parent granules and additives.

After mixing evenly, the first electric machine 36 is started, the first electric machine 36 drives the second slide block 33 through the thread lever 34, and the second slide block 33 moves to the upper side. In the process of moving up with the rotary block 24 through the first slide block 32, the rotary block 24 moves up with the first friction, and the first friction moves up, Friction presses the push rod 37 upward, and the third rotating disk 22 is pressed by the push rod 37 and slides upward, whereby the fourth friction plate 47 separates from the third friction plate 48, and the first After the first friction plate and the second friction plate have come into contact with each other, the first electric machine 36 is stopped, and at that time, the inner conical teeth and the outer conical teeth are the first bevel gear 18 and the The second rotating disk 49 is driven to rotate when the second electric machine operates, the second rotating disk 49 rotates with the central shaft 28, away from the state of meshing with the double bevel gear 17. The central shaft 28 rotates with the supply screw bolt 29, thereby discharging the mixture in the mixing cavity 12 to the extruder, thereby completing a precise plastic injection process, improving the quality of the plastic product, The ratio of good products can be reduced.

Claims (1)

  The precision injection mold apparatus includes a fuselage attached to a housing, the feature of which includes a fuselage attached to the housing, a mixing casing is installed on the fuselage, and the bottom wall of the mixing casing is in communication with the outside. A discharge groove is installed, a first transmission housing is installed on the root housing, a second transmission housing is installed on the first transmission housing, and the first transmission housing and the A rotary casing is communicated and installed between the second transmission casings, a first slide groove extending vertically is provided on the inner wall of the rotary casing, and second slide grooves are provided on the left and right end walls of the first slide groove. Is installed, a first slide block that slides up and down is attached to the first slide groove, and a second slide block that is fixedly connected to the first slide block is slid and attached to the second slide groove, Said second slide block A first electric machine in which a thread lever extending vertically is engaged and attached, a lower end of the thread lever is rotated and attached to a bottom wall of the second slide groove, and an upper end is located on a top wall of the second slide groove The first through-all, which is attached to the first electric machine and is connected to the first electric machine by power, is installed in the first through-hole and extends in the vertical direction. A rotating block is rotated and attached through a bearing, a first friction plate is fixedly attached to an upper end surface of the rotating block, and a second through hole is provided in the upper and lower sides of the rotating block and penetrating the first friction plate. A first rotating disk fixedly connected to the rotating block is installed in the first transmission housing, and an outer ring gear is installed on the outer periphery of the first rotating disk A main driving gear meshing with the outer ring gear is installed in the first transmission housing, and the main driving gear is connected by power with a second electric machine fixedly attached to the top wall of the first transmission housing through the main driving shaft; An annular convex portion extending downward is installed on the lower end surface of the first rotating disk, inner cone teeth are installed on the inner surface of the annular projection portion, and outer cone teeth are installed on the outer surface of the annular projection portion, A first bevel gear that meshes with many of the inner cone teeth and a second bevel gear that meshes with many of the outer cone teeth are installed in the first transmission housing, and extends vertically on the bottom wall of the first transmission housing; A first rotating shaft and a second rotating shaft, which are fixedly connected to the first bevel gear and the second bevel gear, respectively, are rotated and attached, and the lower ends of the first rotating shaft and the second rotating shaft are attached to the mixing housing. Inserted and fixedly attached to the first stirring arm and the second stirring arm respectively, the front A central axis extending upward between the first transmission housing and the mixing housing is rotated and attached, and the central shaft is inserted into the second transmission housing through the second through hole, and the second transmission housing A second turntable fixedly connected to the central shaft is installed in the transmission housing, a second friction plate is fixedly attached to the lower end surface of the second turntable, and the second turntable is attached to the upper end surface of the second turntable. Three friction plates are fixedly attached, and a third slide groove communicating with the second transmission housing is installed on the top wall of the second transmission housing, and a third slide block slides and attaches to the third slide groove. The third transmission block is fixedly connected to the lower end of the third slide block, and a fourth friction plate is fixedly attached to the lower end surface of the third rotation block. Up and down on mixed enclosure An extending supply screw bolt is installed, a lower end of the supply screw bolt is inserted into the discharge groove, an upper end is fixedly connected to the central shaft, and extends vertically to the second rotating disk and the second friction plate And a fourth slide groove penetrating the third friction plate is installed symmetrically, a push rod is slid and attached to the fourth slide groove, and a ball is attached to the upper end surface of the push rod by rotation. The first stop groove is symmetrically installed in the left and right end walls of the first stop block, and a first stop block fixedly connected to the push bar is slid and attached to the first stop groove. A compression spring is fixedly attached, and an upper end of the first compression spring is fixedly connected to a top wall of the fourth slide groove, and the first compression spring connects the first stop block. The lower end of the push rod protrudes from the fourth slide groove and the ball contracts into the fourth slide groove, and second stop grooves are symmetrically installed on the left and right end walls of the third slide groove. A second stop block fixedly connected to the third slide block is slid and attached to the second stop groove, and a second compression spring is fixedly attached to an upper end surface of the third slide block; The upper end of the compression spring is fixedly connected to the top wall of the slide groove, and the second compression spring presses the third slide block downward, so that the fourth friction plate meets the third friction plate, The top wall of the mixing housing is provided with an import groove that communicates with the outside and is inclined, and the tooth thickness of the main gear is greater than the tooth thickness of the outer ring gear. As a result, the main drive gear and the outer ring gear mesh with each other when sliding up and down on the rotating disk, and the crossing of the second stirring arm and the first stirring arm is distributed.

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