CN110625882A - A toy processing injection molding machine - Google Patents

Abstract

The invention discloses a toy processing injection molding machine which comprises a rotary table, wherein the middle part of the rotary table is fixed at the end part of a rotary shaft, the rotary shaft is installed on a rack through a bearing seat, the bottom of the rack is provided with a first motor through a support, the output end of the first motor is a worm and is meshed with a worm wheel fixed at the bottom end of the rotary shaft, a plurality of groups of mold assemblies are installed on the rotary table at equal intervals, a lifting guide rail is fixed on the surface of the rack, a screw injection molding machine is also installed on the rack through a support arm, an injection molding nozzle is movably installed at the bottom end part of the screw injection molding machine, and a transmission box used for driving the injection molding. According to the toy injection molding machine, the turntable is used for rotating to drive the mold assembly to rotate synchronously, and the lifting guide rail is used for automatically opening and closing the mold assembly in the rotating process of the mold assembly, so that a formed part can be taken out conveniently, continuous production can be realized, the cooling waiting time is shortened, and the toy injection molding production efficiency is improved.

Description

A toy processing injection molding machine

technical field

The invention belongs to the technical field of injection molding devices, and in particular relates to a toy processing injection molding machine.

Background technique

In the production process of plastic toys, injection molding is usually used for production. Since the precision of the finished product is not high, the existing injection molding equipment on the market can be used for the injection molding of plastic toys. For example, the patent application number CN201711186045.2 discloses a computer-controlled horizontal injection molding machine used in the production of plastic toys, including machine base, electric control box, control panel, electric push rod, collection port, collection box, pressure sensor, hydraulic pusher, limiter, PCT heating plate, temperature sensor, PLC controller, timer and storage battery, and an electric control box is arranged on one side of the machine base. The above-mentioned invention has a scientific and reasonable structure, is safe and convenient to use, and is equipped with a PCT heater, which can effectively heat the plastic raw materials in the storage tank, thereby keeping the plastic raw materials in a liquid state, so as not to affect the injection molding effect. The rod can effectively make the injection-molded plastic model fall from the post-molding mold, which reduces the labor intensity of the staff. A collection port and a collection box are set to effectively collect the molded plastic model, which is convenient for the staff The collection of molded models facilitates the operation of the machine.

However, the above-mentioned scheme has the following defects in use: the above-mentioned injection molding machine only has one group of mold components. For the next round of injection molding, it is necessary to wait for cooling time in the middle. Therefore, the time of injection molding production is increased, and the injection molding efficiency is low.

Contents of the invention

The object of the present invention is to provide a toy processing injection molding machine to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the present invention provides the following technical solutions: a toy processing injection molding machine, including a turntable, the middle part of the turntable is fixed on the end of the rotating shaft, and the rotating shaft is installed on the frame through a bearing seat, and the frame The bottom of the motor is installed with a first motor through a bracket. The output end of the first motor is a worm and meshes with a fixed worm wheel at the bottom of the rotating shaft. Several groups of mold components are installed at equal intervals on the turntable, and the surface of the frame is fixed. There are lifting guide rails, and a screw injection molding machine is installed on the frame through a support arm. The bottom end of the screw injection molding machine is movably installed with an injection nozzle, and the bottom of the screw injection molding machine is also installed with a transmission box for driving the injection nozzle. .

Preferably, the mold assembly includes an upper mold and a lower mold, the upper mold is fixed on the lower surface of the turntable, the lower mold is installed on the turntable through a guide rod, and the guide rod is movably connected with the turntable.

Preferably, a spring is sheathed on the guide rod, a base is fixed on the bottom of the lower mold, and a guide wheel is installed on the bottom of the base, and the guide wheel is rollingly arranged on the lifting guide rail.

Preferably, the lifting guide rails are distributed in an arc shape, and slopes are provided at both ends of the lifting guide rails.

Preferably, the turntable is provided with injection holes, and the injection holes communicate with the inner space of the upper mold.

Preferably, the transmission box includes a box body, a transmission shaft is installed in the box body through a bearing seat, one end of the transmission shaft is connected to the output end of the second motor installed on the box body, and the two ends of the transmission shaft are respectively Worm sleeves with opposite directions of rotation are fixed, and the worm sleeves are respectively connected to rotating shafts through worm gears, and gears are also installed on the rotating shafts.

Preferably, tooth plates are fixed on both sides of the injection nozzle, and the gears mesh with the tooth plates respectively.

Preferably, a graphite sealing ring is further provided between the injection nozzle and the screw injection molding machine.

The technical effects and advantages of the present invention: start the first motor, drive the turntable to rotate, thereby moving the mold assembly to the right below the injection nozzle of the screw injection molding machine, and keep the injection nozzle aligned with Zhu CNC, and then stop the first motor, because At this time, the mold assembly is under the action of the lifting guide rail, the lower mold moves down and closes with the upper mold, and injection molding can be carried out. The injection nozzle is driven by the transmission box and protrudes downwards, and closes the injection hole to inject the injection material The inside of the mold assembly is formed. After the injection is completed, the transmission box is used to reversely drive the injection nozzle to move up and separate from the turntable. At this time, the first motor is started again, and the subsequent mold assemblies are sequentially rotated to the bottom of the screw injection molding machine for injection molding. , the completed injection mold assembly moves along the slope at one end of the lifting guide rail with the movement of the turntable, and under the action of the spring, the lower mold is separated from the upper mold, and the mold that has been formed and cooled is taken out and placed on the other side The mold is automatically closed under the action of the inclined plane, waiting to be transferred to the bottom of the screw injection molding machine for reuse.

The invention utilizes the rotation of the turntable to drive the mold assembly to rotate synchronously. During the rotation of the mold assembly, the mold assembly is automatically opened and closed by using the lifting guide rail, which facilitates the removal of molded parts, enables continuous production, reduces the waiting time for cooling, and improves the injection molding efficiency of toys. Productivity.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a schematic diagram of the top view structure of the lifting guide rail of the present invention;

Fig. 3 is a top view structure schematic diagram of the turntable of the present invention;

Fig. 4 is a schematic diagram of the installation structure of the injection molding nozzle of the present invention;

Fig. 5 is a schematic diagram of the installation internal structure of the transmission box of the present invention.

In the figure: 1 screw injection molding machine, 101 injection nozzle, 102 tooth plate, 103 graphite sealing ring, 2 transmission box, 201 second motor, 202 box body, 203 gear, 204 rotating shaft, 205 transmission shaft, 206 worm sleeve, 3 support Arm, 4 guide rods, 5 turntables, 501 injection holes, 6 bases, 7 lifting guide rails, 701 slopes, 8 racks, 9 rotating shafts, 10 worm gears, 11 worms, 12 first motors, 13 upper dies, 14 springs, 15 lower Die, 16 guide wheels.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

As shown in Figures 1-5, a toy processing injection molding machine includes a turntable 5, the middle of the turntable 5 is fixed at the end of a rotating shaft 9, and the rotating shaft 9 is mounted on a frame 8 through a bearing seat. The bottom of the frame 8 is equipped with a first motor 12 through the bracket. The output end of the first motor 12 is a worm 11 and meshes with the worm wheel 10 fixed at the bottom of the rotating shaft 9. Several groups of mold components are installed at equal intervals on the turntable 5 , the surface of the frame 8 is fixed with a lifting guide rail 7, and the frame 8 is also equipped with a screw injection molding machine 1 through a support arm 3, and the bottom end of the screw injection molding machine 1 is movably installed with an injection nozzle 101, so A transmission box 2 for driving the injection molding nozzle 101 is also installed at the bottom of the screw injection molding machine 1 .

The mold assembly includes an upper mold 13 and a lower mold 15, the upper mold 13 is fixed on the lower surface of the turntable 5, the lower mold 15 is installed on the turntable 5 through the guide rod 4, and the guide rod 4 is movably connected with the turntable 5 . There are at least 2 groups of mold components, and in this embodiment, 4 groups are arranged, and they are distributed in a circle. Under the action of the stem 4, the lower mold 15 can move up and down to realize mold closing and parting.

A spring 14 is sleeved on the guide rod 4 , a base 6 is fixed on the bottom of the lower mold 15 , and a guide wheel 16 is installed on the bottom of the base 6 , and the guide wheel 16 is rollingly arranged on the lifting guide rail 7 . When the turntable 5 rotates, the mold assembly is driven to rotate at the same time, so that the guide wheel 16 on the base 6 can roll along the lifting guide rail 7, and the lifting movement of the lower mold 15 can be realized at the height of the lifting guide rail 7, and the mold can be opened and closed automatically. mold.

The lifting guide rail 7 is distributed in an arc shape, and both ends of the lifting guide rail 7 are provided with inclined surfaces 701 . The inclined plane 701 extends from the top of the lifting guide rail 7 to the surface of the frame 8. When the guide wheel 16 moves along the inclined plane 701 and is pushed by the spring 14, automatic mold opening and closing can be realized automatically.

The turntable 5 is provided with an injection hole 501 , and the injection hole 501 communicates with the inner space of the upper mold 13 . Align the injection nozzle 101 with the injection hole 501 , and the injection material can be injected into the mold through the injection hole 501 .

The transmission box 2 includes a box body 202, and a transmission shaft 205 is installed through a bearing seat in the box body 202, and one end of the transmission shaft 205 is connected with the output end of the second motor 201 installed on the box body 202, and the transmission Two ends of the shaft 205 are respectively fixed with oppositely rotating worm sleeves 206 , and the worm sleeves 206 are respectively connected to a rotating shaft 204 through a worm gear mechanism, and a gear 203 is also installed on the rotating shaft 204 . Driven by the second motor 201, the transmission shaft 205 drives the gears 203 on the left and right rotating shafts 204 at the same time, thereby simultaneously driving the gear plates 102 on both sides of the injection nozzle 101 to adjust the height of the injection nozzle 101 to realize injection molding. The mouth 101 and the injection hole 501 are automatically separated and closed.

Tooth plates 102 are fixed on both sides of the injection nozzle 101 , and the gears 203 mesh with the tooth plates 102 respectively.

A graphite sealing ring 103 is also provided between the injection nozzle 101 and the screw injection molding machine 1 . It can seal between the injection nozzle 101 and the inner wall of the barrel of the screw injection molding machine 1, and the graphite sealing ring 103 is resistant to high temperature and wear, and can meet the internal use environment of the barrel.

Both the first motor 12 and the second motor 201 are stepper motors, which can accurately control the rotation angle, thereby accurately controlling the rotation range of the turntable 5 and the lifting range of the injection nozzle 101 .

Specifically, when in use, the injection plastic used for producing toys is added to the screw injection molding machine 1 for pretreatment, and when injection molding starts, the first motor 12 is started to drive the turntable 5 to rotate, thereby moving the mold assembly to the screw injection molding machine 1 Directly below the injection nozzle 101, and keep the injection nozzle 101 aligned with Zhu CNC 501, then stop the first motor 12, because the mold assembly at this time is under the action of the lifting guide rail 7, the lower mold 15 moves down and closes with the upper mold 13, Injection molding can be carried out. The injection nozzle 101 protrudes downward under the drive of the transmission box 2, and closes the injection hole 501, so that the injection material is injected into the interior of the mold assembly for molding. After the injection is completed, the transmission box 2 is used to reverse Drive the injection molding nozzle 101 to move up and separate from the turntable 5. At this time, start the first motor 12 again, and then rotate the subsequent mold components to the bottom of the screw injection molding machine 1 for injection molding. The injection molded mold components follow the movement of the turntable 5. Move along the inclined surface 701 at one end of the lifting guide rail 7, and under the action of the spring 14, the lower mold 15 is separated from the upper mold 13, and the mold that has been formed and cooled is taken out, and automatically closed under the action of the inclined surface 701 on the other side. Die, waiting to be transferred to the bottom of the screw injection molding machine 1 for reuse.

Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still The technical solutions recorded in the foregoing embodiments may be modified, or some of the technical features may be replaced equivalently, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the within the protection scope of the present invention.

Claims (8)

1. The utility model provides a toy processing injection molding machine, includes carousel (5), its characterized in that: the tip in pivot (9) is fixed at the middle part of carousel (5), pivot (9) are installed on frame (8) through the bearing frame, there is first motor (12) bottom of frame (8) through the support mounting, the output of first motor (12) be worm (11) and with pivot (9) bottom mounting's worm wheel (10) meshing, a plurality of groups mould subassembly are installed to equidistance on carousel (5), the fixed surface of frame (8) has lifting guide rail (7), still install screw rod injection molding machine (1) through support arm (3) on frame (8), screw rod injection molding machine (1) bottom tip movable mounting has injection moulding mouth (101), transmission case (2) that are used for the drive injection moulding mouth (101) are still installed to screw rod injection molding machine (1) bottom.

2. The toy processing injection molding machine of claim 1, wherein: the die assembly comprises an upper die (13) and a lower die (15), wherein the upper die (13) is fixed on the lower surface of the rotary table (5), the lower die (15) is installed on the rotary table (5) through a guide rod (4), and the guide rod (4) is movably connected with the rotary table (5).

3. The toy processing injection molding machine of claim 2, wherein: the guide rod (4) is sleeved with a spring (14), the bottom of the lower die (15) is fixed with a base (6), a guide wheel (16) is installed at the bottom of the base (6), and the guide wheel (16) is arranged on the lifting guide rail (7) in a rolling mode.

4. The toy processing injection molding machine of claim 1, wherein: the lifting guide rail (7) is in circular arc distribution, and both ends of the lifting guide rail (7) are provided with inclined planes (701).

5. The toy processing injection molding machine of claim 2, wherein: and an injection molding hole (501) is formed in the turntable (5), and the injection molding hole (501) is communicated with the inner space of the upper mold (13).

6. The toy processing injection molding machine of claim 1, wherein: the transmission case (2) includes box (202), install transmission shaft (205) through the bearing frame in box (202), the one end of transmission shaft (205) is connected with second motor (201) output of installing on box (202), the both ends of transmission shaft (205) are fixed with respectively and revolve worm cover (206) to opposite, worm cover (206) are connected with pivot (204) through turbine mechanism respectively, still install gear (203) on pivot (204).

7. The toy processing injection molding machine of claim 6, wherein: toothed plates (102) are fixed on two sides of the injection molding nozzle (101), and the gears (203) are meshed with the toothed plates (102) respectively.

8. The toy processing injection molding machine of claim 1, wherein: and a graphite sealing ring (103) is also arranged between the injection molding nozzle (101) and the screw injection molding machine (1).