CN111300730A

CN111300730A - Toy injection molding machine and injection molding method

Info

Publication number: CN111300730A
Application number: CN202010134729.3A
Authority: CN
Inventors: 罗永莉
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-02
Filing date: 2020-03-02
Publication date: 2020-06-19

Abstract

The invention relates to the technical field of toy injection molding, in particular to a toy injection molding machine and an injection molding method.

Description

Toy injection molding machine and injection molding method

Technical Field

Background

For example, a plastic toy injection molding machine of publication No. CN208375853U, including box and base, the inside top of box is equipped with the base, the bottom of base runs through a part on box top, the bottom left and right sides of base all links to each other through compression spring and the inner wall bottom of box, install the ejector pin in the middle of the inside bottom of box, be equipped with the through-hole in the middle of the inside bottom of base. This plastic toy injection molding machine, through the cooperation of watering and exhaust hole, can pour the inside back of recess into with the raw materials at the staff, make the inside gas of recess discharge along the exhaust hole, avoid the raw materials inside to have the quality that is not influenced the product by the combustion gas, through the cooperation of ejector pin and piston, can solidify the shaping back at the raw materials, make the staff only need push down the base through the baffle, can make the finished product saved the operation that the staff took time and energy to scratch the recess with the finished product through the instrument by the inside of ejecting recess, customer's demand has been satisfied. The device adopts the substep operation when using, and every procedure of moulding plastics all needs the staff to adopt different operation methods, and the process is loaded down with trivial details troublesome, and adopts the mode of local mould pushing during the delivery, easily causes the damage to the mould of just forming, produces the vestige.

Disclosure of Invention

The invention aims to provide a toy injection molding machine and an injection molding method, which can directly present most of plastic toys outside after the plastic toys are injection molded, have simple and convenient operation, are convenient for workers to take the plastic toys after the plastic toys are pushed out,

the purpose of the invention is realized by the following technical scheme:

a toy injection molding machine comprises a barrel shell, a support frame, an upper template mechanism and a lower template mechanism, wherein the support frame is fixedly connected with the lower end of the barrel shell, the upper template mechanism is fixedly connected with the upper end of the barrel shell, the lower template mechanism is slidably connected with the lower end of the barrel shell, the lower surface of the upper template mechanism is tightly attached to the upper surface of the lower template mechanism, the toy injection molding machine further comprises motors, transmission mechanisms, transmission ring plates, connecting bent plates, transmission frames and heating water pipes, the two motors are arranged and are respectively arranged at the left end and the right end of the barrel shell, the two transmission mechanisms are respectively arranged at the left end and the right end of the two barrel shells and are respectively in transmission connection with the two transmission mechanisms, the transmission ring plates are slidably connected onto the barrel shell, and the left end and the right end of the transmission ring plates are respectively and fixedly connected with the inner ends of the two transmission mechanisms, connect the bent plate and be provided with two, two lower extremes of connecting the bent plate respectively fixed connection be in both ends around the transmission crown plate, its upside respectively with go up the template mechanism upper end both sides and connect, the transmission frame is provided with two, and the outer end of two transmission frames is connected with two drive mechanism's lower extreme transmission respectively, and its inner end is connected respectively lower template mechanism lower extreme both sides are connected, the heating water pipe is provided with two sets ofly, and two sets of heating water pipe symmetry sets up in the barrel casing.

As a further optimization of the technical scheme, the toy injection molding machine and the injection molding method provided by the invention have the advantages that the cylinder shell comprises a cylinder body, four sliding cavities, four water pipe placing cavities and guide plates, the sliding cavities penetrate through the middle part of the cylinder body, the four water pipe placing cavities are circumferentially and uniformly arranged in the cylinder body wall, the two guide plates are fixedly connected to the upper end of the cylinder body in a bilateral symmetry manner, the support frame is fixedly connected to the middle part of the cylinder body, the two groups of heating water pipes are respectively arranged in the four water pipe placing cavities, and the upper template mechanism and the lower template mechanism are respectively connected to the upper part and the lower part of the sliding cavities in a sliding manner.

As a further optimization of the technical scheme, the invention relates to a toy injection molding machine and an injection molding method, wherein a support frame comprises a connecting ring plate, a mounting plate, rotating holes, leg supporting plates, two sliding ways, an inner sliding way and a supporting bottom plate, the connecting ring plate is fixedly connected with the middle part of a cylinder body, the left side and the right side of the connecting ring plate are fixedly connected with the mounting plate, the rotating holes are respectively arranged at the two ends of the connecting ring plate, the rotating holes are respectively arranged at the front end and the rear end of the mounting plate, the circle centers of the three rotating holes at the same side are connected into an isosceles triangle, the two leg supporting plates are respectively and fixedly connected with the left end and the right end of the connecting ring plate, the supporting bottom plate is respectively and fixedly connected with the lower ends of the two leg supporting plates, the sliding ways are arranged at the middle parts of the leg supporting plates, the inner sliding ways, the middle part of the transmission mechanism is rotatably connected in the three rotating holes at the same side.

As a further optimization of the technical scheme, the invention relates to a toy injection molding machine and an injection molding method, wherein a transmission mechanism comprises a gear I, a gear II, a lower screw rod, an upper screw rod, two connecting plates and mounting grooves, the gear I is rotatably connected in a rotary hole corresponding to a connecting ring plate, the two gears II are respectively and rotatably connected in the other two rotary holes at the same side with the rotary hole, the upper end and the lower end of each gear II are fixedly connected with the upper screw rod and the lower screw rod, the two upper screw rods are connected with the connecting plates in a thread fit manner, the inner end of each connecting plate is provided with the mounting groove, the lower end of the gear I is fixedly connected with an output shaft of a motor, the gear I is in meshing transmission connection with the two gears II at the corresponding side, the left end and the right end of the driving ring plate are respectively and slidably connected, the outer ends of the two transmission frames are respectively in transmission connection with the lower screw rods on the two sides.

According to the toy injection molding machine and the injection molding method, four semicircular holes are uniformly formed in the circumferential direction of the inner wall of the transmission ring plate, connecting blocks are arranged at the front end and the rear end of the transmission ring plate, holes are formed in the left side and the right side of the transmission ring plate, the transmission ring plate is fixedly connected with the connecting plates through the holes by bolts, and the lower ends of the two connecting bent plates are fixedly connected to the two connecting blocks respectively.

As a further optimization of the technical scheme, the toy injection molding machine and the injection molding method provided by the invention comprise an upper plate, an upper template, an injection opening and two upper connecting frames, wherein the upper template is fixedly connected to the lower end of the upper plate through bolts, the injection opening is formed in the middle of the upper plate and the upper template, the two upper connecting frames are respectively fixedly connected to the front end and the rear end of the upper plate, the upper ends of the two connecting bent plates are respectively connected to the middle of the two upper connecting frames, and the upper template is slidably connected to the upper part of the sliding cavity.

As a further optimization of the technical scheme, the toy injection molding machine and the injection molding method provided by the invention comprise a lower template mechanism, a lower template and two lower connecting frames, wherein the lower template mechanism comprises a lower plate, the lower template and the two lower connecting frames, the two lower connecting frames are fixedly connected to the left end and the right end of the lower plate respectively, and the inner ends of the two transmission frames are connected with the two lower connecting frames respectively.

As a further optimization of the technical scheme, the toy injection molding machine and the injection molding method provided by the invention comprise a transmission frame, wherein the transmission frame comprises a sliding block, a rotating wheel, a frame, a transmission connecting plate and threaded holes, the rotating wheel is rotatably connected to two sides of the sliding block, the inner end and the outer end of the sliding block are respectively and fixedly connected with the frame and the transmission connecting plate, the threaded holes are arranged on two sides of the transmission connecting plate, a lower screw rod is connected in the corresponding threaded holes through thread fit, the two sliding blocks are respectively and slidably connected in two slide ways, the rotating wheel rotates in the corresponding inner slide way, and the frame is fixedly connected with the lower connecting frame on the corresponding side.

As a further optimization of the technical scheme, the toy injection molding machine and the injection molding method provided by the invention are characterized in that the heating water pipe comprises two curved connecting pipes, two water inlet pipes and two water outlet pipes, wherein two ends of each water inlet pipe are fixedly connected with the two curved connecting pipes respectively, the other ends of the two curved connecting pipes are fixedly connected with the water outlet pipes, the two curved connecting pipes are respectively placed in two water pipe placing cavities at right angles, the two water inlet pipes respectively penetrate through two semicircular holes at symmetrical positions, two adjacent water outlet pipes exist on different heating water pipes, and the two water outlet pipes are in two groups, and the two water outlet pipes respectively penetrate through the other two symmetrical semicircular holes.

The injection molding method of the toy injection molding machine comprises the following steps:

step 1: raw materials such as liquid polystyrene, polyester resin, epoxy resin and the like for casting are injected from an injection opening of the upper template mechanism.

Step 2: after the injection of the raw material, the curing treatment is performed.

And step 3: after the solidification molding, each motor is started, each motor drives two transmission mechanisms respectively, the two transmission mechanisms drive the upper template mechanism and the lower template mechanism to slide upwards and downwards respectively through connecting the bent plate and the transmission frame until the upper template mechanism is completely separated from the cylinder shell, and then the solidified and molded toy model can be taken out conveniently.

And 4, step 4: and taking out the toy model, and performing post-treatment.

The toy injection molding machine and the injection molding method have the beneficial effects that:

after the plastic toy is solidified and formed, the motors are started, each motor drives the two transmission mechanisms respectively, the two transmission mechanisms respectively drive the upper template mechanism and the lower template mechanism to slide upwards and downwards through connecting the bent plate and the transmission frame, so that most of the plastic toy is displayed outside, and finally the upper template mechanism is completely separated from the cylinder shell, so that the solidified and formed toy model can be conveniently taken out, the whole operation process is simple and convenient, and the working efficiency is improved.

Drawings

The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic view of the overall structure of a toy injection molding machine and injection molding method according to the present invention;

FIG. 2 is a schematic structural view in overall section of the present invention;

FIG. 3 is a schematic view of the cartridge housing and support frame of the present invention;

FIG. 4 is a schematic structural view of the transmission mechanism of the present invention;

FIG. 5 is a schematic structural view of the drive ring plate of the present invention;

FIG. 6 is a schematic structural view of an upper platen mechanism of the present invention;

FIG. 7 is a schematic view of the construction of the connecting flexural plate of this invention;

FIG. 8 is a schematic structural view of the lower platen mechanism of the present invention;

FIG. 9 is a schematic structural view of the drive frame of the present invention;

FIG. 10 is a schematic diagram of the structure of the present invention for heating water.

In the figure: a cartridge housing 1; 1-1 of a cylinder body; a sliding cavity 1-2; a water pipe placing cavity 1-3; guide plates 1-4; a support frame 2; connecting the ring plates 2-1; mounting plate 2-2; 2-3 of a rotary hole; 2-4 of a supporting leg plate; 2-5 of a slideway; 2-6 parts of an inner slideway; support base plates 2-7; a motor 3; a transmission mechanism 4; gear I4-1; gear II 4-2; 4-3 parts of a lower screw rod; 4-4 of an upper screw rod; 4-5 of a connecting plate; mounting grooves 4-6; a drive ring plate 5; 5-1 of a semicircular hole; 5-2 parts of a connecting block; 5-3 of holes; an upper template mechanism 6; an upper plate 6-1; 6-2 of an upper template; 6-3 of an injection port; an upper connecting frame 6-4; connecting the bent plate 7; a lower template mechanism 8; a lower plate 8-1; a lower template 8-2; a lower connecting frame 8-3; a transmission frame 9; 9-1 of a slide block; 9-2 of a rotating wheel; a frame 9-3; 9-4 of a transmission connecting plate; 9-5 of a threaded hole; a heating water pipe 10; a curved connecting pipe 10-1; 10-2 of a water inlet pipe; and a water outlet pipe 10-3.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected or detachably connected; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The first embodiment is as follows:

the present embodiment is described below with reference to fig. 1 to 10, and a toy injection molding machine includes a cartridge case 1, a supporting frame 2, an upper template mechanism 6 and a lower template mechanism 8, wherein the supporting frame 2 is fixedly connected to a lower end of the cartridge case 1, the upper template mechanism 6 is fixedly connected to an upper end of the cartridge case 1, the lower template mechanism 8 is slidably connected to a lower end of the cartridge case 1, a lower surface of the upper template mechanism 6 is closely attached to an upper surface of the lower template mechanism 8, the toy injection molding machine further includes two motors 3, a transmission mechanism 4, a transmission ring plate 5, a connection bent plate 7, a transmission frame 9 and a heating water pipe 10, the two motors 3 are respectively disposed at left and right ends of the cartridge case 1, the motors 3 employ positive and negative rotation motors, the transmission mechanism 4 is provided with two, the two transmission mechanisms 4 are respectively disposed at left and right ends of the two cartridge cases 1, two motors 3 are connected with two transmission mechanism 4 transmissions respectively, transmission ring plate 5 sliding connection be in on the bobbin casing 1 and its left and right sides both ends respectively with two transmission mechanism 4's inner fixed connection, it is provided with two to connect bent plate 7, and two lower extremes of connecting bent plate 7 are fixed connection respectively at both ends around transmission ring plate 5, its upside respectively with 6 upper end both sides of cope match-plate pattern mechanism are connected, transmission frame 9 is provided with two, and the outer end of two transmission frames 9 is connected with two transmission mechanism 4's lower extreme transmissions respectively, and its inner end is connected respectively 8 lower extreme both sides of lower template mechanism are connected, heated water pipe 10 is provided with two sets ofly, and two sets of heated water pipe 10 symmetry sets up add in the bobbin casing 1.

After the plastic toy is solidified and formed, each motor 3 is started, each motor 3 drives two transmission mechanisms 4 respectively, the two transmission mechanisms 4 drive an upper template mechanism 6 and a lower template mechanism 8 to slide upwards and downwards respectively through a connecting bent plate 7 and a transmission frame 9, most of the plastic toy is displayed outside, and finally the upper template mechanism 6 is completely separated from the cylinder shell 1, so that the solidified and formed toy model can be taken out conveniently, the whole operation process is simple and convenient, and the working efficiency is improved.

The second embodiment is as follows:

this embodiment will be described with reference to fig. 1 to 10, which further illustrate the first embodiment, the cylinder shell 1 comprises a cylinder body 1-1, a sliding cavity 1-2, a water pipe placing cavity 1-3 and a guide plate 1-4, the sliding cavity 1-2 penetrates through the middle part of the cylinder body 1-1, four water pipe placing cavities 1-3 are arranged, the four water pipe placing cavities 1-3 are uniformly arranged in the wall of the cylinder body 1-1 in the circumferential direction, the upper end of the cylinder body 1-1 is fixedly connected with two guide plates 1-4 in a bilateral symmetry way, the supporting frame 2 is fixedly connected with the middle part of the cylinder body 1-1, the two groups of heating water pipes 10 are respectively arranged in the four water pipe placing cavities 1-3, the upper template mechanism 6 and the lower template mechanism 8 are respectively connected to the upper part and the lower part of the sliding cavity 1-2 in a sliding manner.

As shown in the attached figures 2 and 3, the sliding cavity 1-2 is arranged in a layered mode, namely, divided into two layers, and the upper layer is wider, so that enough space is provided for workers to conveniently take out the plastic toy from the lower template 8-2 after the plastic toy is formed.

The guide plates 1-4 provide sufficient sliding space for the upward sliding of the drive ring plate 5.

The third concrete implementation mode:

the second embodiment is further described with reference to fig. 1-10, in which the support frame 2 includes a connection ring plate 2-1, a mounting plate 2-2, rotation holes 2-3, leg plates 2-4, a slide way 2-5, an inner slide way 2-6 and a support bottom plate 2-7, the connection ring plate 2-1 is fixedly connected to the middle of the cylinder 1-1, the left and right sides of the connection ring plate 2-1 are both fixedly connected to the mounting plate 2-2, the two ends of the connection ring plate are both provided with the rotation holes 2-3, the front and rear ends of the mounting plate 2-2 are both provided with the rotation holes 2-3, the circle centers of the three rotation holes 2-3 on the same side are connected to form an isosceles triangle, the two leg plates 2-4 are provided, and the two leg plates 2-4 are respectively and fixedly connected to the left and right ends of the connection ring plate 2-1, the lower ends of the two leg supporting plates 2-4 are fixedly connected with supporting bottom plates 2-7, the middle parts of the leg supporting plates 2-4 are provided with slideways 2-5, the front inner wall and the rear inner wall of each slideway 2-5 are provided with inner slideways 2-6, the middle parts of the two transmission mechanisms 4 are respectively connected in the two slideways 2-5 in a sliding mode, and the middle parts of the transmission mechanisms 4 are rotatably connected in three rotating holes 2-3 on the same side.

The fourth concrete implementation mode:

the third embodiment is further described with reference to fig. 1-10, wherein the transmission mechanism 4 includes a gear i 4-1, a gear ii 4-2, a lower screw 4-3, an upper screw 4-4, a connecting plate 4-5 and a mounting groove 4-6, the gear i 4-1 is rotatably connected in a rotary hole 2-3 corresponding to the connecting ring plate 2-1, two gears ii 4-2 are provided, the two gears ii 4-2 are respectively rotatably connected in another two rotary holes 2-3 at the same side as the rotary hole 2-3, the upper and lower ends of the two gears ii 4-2 are both fixedly connected with the upper screw 4-4 and the lower screw 4-3, the two upper screws 4-4 are connected with the connecting plate 4-5 through screw thread matching, the inner end of the connecting plate 4-5 is provided with mounting grooves 4-6, the lower end of the gear I4-1 is fixedly connected with an output shaft of the motor 3, the gear I4-1 is in meshed transmission connection with the two gears II 4-2 on the corresponding side, the left end and the right end of the transmission annular plate 5 are respectively in sliding connection in the two mounting grooves 4-6 and are fixedly connected through bolts, and the outer ends of the two transmission frames 9 are respectively in transmission connection with the lower screw rods 4-3 on the two sides.

The fifth concrete implementation mode:

the fourth embodiment is further described with reference to fig. 1 to 10, wherein four semicircular holes 5-1 are uniformly formed in the circumferential direction of the inner wall of the driving ring plate 5, connecting blocks 5-2 are respectively formed at the front end and the rear end of the driving ring plate, holes 5-3 are formed at the left side and the right side of the driving ring plate, the driving ring plate 5 is fixedly connected with the connecting plates 4-5 through the holes 5-3 by bolts, and the lower ends of the two connecting bent plates 7 are respectively fixedly connected to the two connecting blocks 5-2.

The sixth specific implementation mode:

this embodiment will be described with reference to fig. 1 to 10, and a second embodiment will be further described with reference to this embodiment, the upper template mechanism 6 comprises an upper template 6-1, an upper template 6-2, an injection port 6-3 and an upper connecting frame 6-4, the upper template 6-2 is fixedly connected with the lower end of the upper plate 6-1 through bolts, the injection port 6-3 is arranged in the middle of the upper plate 6-1 and the upper plate 6-2, the number of the upper connecting frames 6-4 is two, the two upper connecting frames 6-4 are respectively and fixedly connected to the front end and the rear end of the upper plate 6-1, the upper ends of the two connecting bent plates 7 are respectively connected to the middle parts of the two upper connecting frames 6-4, and the upper template 6-2 is slidably connected to the upper part of the sliding cavity 1-2.

The seventh embodiment:

the embodiment is described below with reference to fig. 1 to 10, and the second embodiment is further described in the present embodiment, where the lower template mechanism 8 includes a lower plate 8-1, a lower template 8-2 and lower connecting frames 8-3, the lower template 8-2 is fixedly connected to the upper end of the lower plate 8-1, two lower connecting frames 8-3 are provided, the two lower connecting frames 8-3 are respectively and fixedly connected to the left and right ends of the lower plate 8-1, and the inner ends of the two transmission frames 9 are respectively connected to the two lower connecting frames 8-3.

The specific implementation mode is eight:

the third or seventh embodiment is further described with reference to fig. 1-10, where the transmission frame 9 includes a slider 9-1, a runner 9-2, a frame 9-3, a transmission connecting plate 9-4 and a threaded hole 9-5, the two sides of the slider 9-1 are both rotatably connected with the runner 9-2, the inner end and the outer end of the slider 9-1 are respectively and fixedly connected with the frame 9-3 and the transmission connecting plate 9-4, the two sides of the transmission connecting plate 9-4 are provided with the threaded hole 9-5, the lower screw rod 4-3 is connected in the corresponding threaded hole 9-5 by thread fit, the two sliders 9-1 are respectively and slidably connected in the two slideways 2-5, and the runner 9-2 is rotated in the corresponding inner slideway 2-6, the frame 9-3 is fixedly connected with the lower connecting frame 8-3 on the corresponding side.

The specific implementation method nine:

this embodiment will be described with reference to fig. 1 to 10, and a second embodiment will be further described with reference to this embodiment, the heating water pipe 10 comprises a curved connecting pipe 10-1, a water inlet pipe 10-2 and a water outlet pipe 10-3, two curved connecting pipes 10-1 are arranged, two ends of the water inlet pipe 10-2 are respectively and fixedly connected with the two curved connecting pipes 10-1, the other ends of the two curved connecting pipes 10-1 are fixedly connected with water outlet pipes 10-3, the two curved connecting pipes 10-1 are respectively arranged in two water pipe arranging cavities 1-3 which are positioned at right angles, the two water inlet pipes 10-2 respectively penetrate through two semicircular holes 5-1 which are symmetrically positioned, two adjacent water outlet pipes 10-3 are arranged on different heating water pipes 10, and two groups are formed, the two groups of water outlet pipes 10-3 respectively penetrate through the other two symmetrical semicircular holes 5-1.

Water with proper concentration can be output from the water inlet pipe 10-2 to the curved connecting pipe 10-1 according to requirements to assist the plastic toy to be solidified and molded, and the water is discharged from the water outlet pipe 10-3.

step 1: raw materials such as liquid polystyrene, polyester resin, epoxy resin for casting are injected from an injection port 6-3 of an upper die plate mechanism 6.

And step 3: after the solidification molding, each motor 3 is started, each motor 3 drives two transmission mechanisms 4 respectively, the two transmission mechanisms 4 drive the upper template mechanism 6 and the lower template mechanism 8 to slide upwards and downwards respectively through the connecting bent plate 7 and the transmission frame 9 until the upper template mechanism 6 is completely separated from the cylinder shell 1, and then the solidified and molded toy model can be taken out conveniently.

And 4, step 4: and taking out the toy model, and performing post-treatment.

The invention relates to a toy injection molding machine and an injection molding method, wherein the working principle is as follows:

when the gear-type electric wrench is used, the two motors 3 are started, the lower ends of the gears I4-1 are fixedly connected with output shafts of the motors 3, the gears I4-1 are driven to rotate by the starting motors 3, the gears I4-1 are in meshed transmission connection with the two gears II 4-2 on the corresponding sides, the gears II 4-2 rotate along with the gears I4-1, the lower screw rods 4-3 and the upper screw rods 4-4 are driven to rotate, and the upper threads of the lower screw rods 4-3 and the upper screw rods 4-4 are opposite.

The upper screw rod 4-4 is connected with a connecting plate 4-5 through thread fit, and the lower screw rod 4-3 is connected in a corresponding threaded hole 9-5 through thread fit, so that when the upper screw rod 4-4 and the lower screw rod 4-3 rotate, the connecting plate 4-5 and the frame 9-3 are respectively driven to move inwards or outwards.

The left end and the right end of the transmission ring plate 5 are respectively connected in the two mounting grooves 4-6 in a sliding mode and fixedly connected through bolts, the connecting plates 4-5 drive the transmission ring plate 5 to move in the same direction, the transmission ring plate 5 drives the two connecting bent plates 7 to move together, the two connecting bent plates 7 simultaneously drive the upper plate 6-1 to move together with the upper plate 6-1 through the two upper connecting frames 6-4, and the upper plate 6-2 moves together with the upper plate 6-1.

The frame 9-3 is fixedly connected with the lower connecting frame 8-3 at the corresponding side, the frame 9-3 drives the lower plate 8-1 to move together with the driving movement of the lower screw 4-3, and the lower template 8-2 moves together with the lower plate 8-1.

The transmission ratio of the upper screw rod 4-4 to the connecting plate 4-5 is smaller than that of the lower screw rod 4-3 to the transmission connecting plate 9-4, and the transmission relation is such that when the upper template 6-2 is separated from the sliding cavity 1-2 for a sufficient distance to completely take out the toy model, the lower template 8-2 is still positioned in the sliding cavity 1-2 and is convenient for workers to take out the plastic model.

The motor 3 drives the upper template 6-2 and the lower template 8-2 to move in different directions through different turning directions, when the upper template 6-2 and the lower template 8-2 move inwards simultaneously and are finally tightly attached to each other to carry out casting operation, and when the plastic toy is cured and molded, the upper template 6-2 and the lower template 8-2 move outwards simultaneously to take out the molded plastic toy.

The upper template 6-2 and the lower template 8-2 can be replaced according to requirements so as to process toy models with different shapes.

It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.

Claims

1. The utility model provides a toy injection molding machine, includes bobbin case (1), support frame (2), cope match-plate pattern mechanism (6) and lower template mechanism (8), support frame (2) fixed connection be in the lower extreme of bobbin case (1), cope match-plate pattern mechanism (6) fixed connection be in the upper end of bobbin case (1), lower template mechanism (8) sliding connection be in the lower extreme of bobbin case (1), the lower surface of cope match-plate pattern mechanism (6) with lower template mechanism (8) upper surface closely laminates its characterized in that: the toy injection molding machine further comprises two motors (3), two transmission mechanisms (4), two transmission ring plates (5), two connecting bent plates (7), a transmission frame (9) and a heating water pipe (10), wherein the two motors (3) are respectively arranged at the left end and the right end of the barrel shell (1), the two transmission mechanisms (4) are respectively arranged at the left end and the right end of the two barrel shells (1), the two motors (3) are respectively in transmission connection with the two transmission mechanisms (4), the transmission ring plates (5) are in sliding connection with the barrel shells (1), the left ends and the right ends of the transmission ring plates are respectively in fixed connection with the inner ends of the two transmission mechanisms (4), the two connecting bent plates (7) are arranged, the lower ends of the two connecting bent plates (7) are respectively in fixed connection with the front end and the rear end of the transmission ring plates (5), the upper sides of the two connecting bent plates are respectively connected with the two upper ends of the upper template mechanisms (6), the utility model discloses a set up the cartridge case, including driving frame (9), lower template mechanism (8) lower extreme both sides are connected, heating water pipe (10) are provided with two, and the outer end of two driving frames (9) is connected with the lower extreme transmission of two drive mechanism (4) respectively, and its inner end is connected respectively lower template mechanism (8) lower extreme both sides are connected, heating water pipe (10) are provided with two sets ofly, and two sets of heating water pipe (10) symmetry sets up in cartridge case (1).

2. The toy injection molding machine and the injection molding method according to claim 1, wherein: the cylinder shell (1) comprises a cylinder body (1-1), a sliding cavity (1-2), a water pipe placing cavity (1-3) and a guide plate (1-4), the sliding cavities (1-2) penetrate through the middle part of the cylinder body (1-1), four water pipe placing cavities (1-3) are arranged, the four water pipe placing cavities (1-3) are uniformly arranged in the wall of the cylinder body (1-1) in the circumferential direction, the upper end of the cylinder body (1-1) is fixedly connected with two guide plates (1-4) in bilateral symmetry, the supporting frame (2) is fixedly connected with the middle part of the cylinder body (1-1), the two groups of heating water pipes (10) are respectively arranged in the four water pipe placing cavities (1-3), the upper template mechanism (6) and the lower template mechanism (8) are respectively connected to the upper part and the lower part of the sliding cavity (1-2) in a sliding manner.

3. The toy injection molding machine and the injection molding method according to claim 2, wherein: the support frame (2) comprises a connecting ring plate (2-1), a mounting plate (2-2), rotating holes (2-3), leg plates (2-4), a slide way (2-5), an inner slide way (2-6) and a support bottom plate (2-7), wherein the connecting ring plate (2-1) is fixedly connected with the middle part of the cylinder body (1-1), the left side and the right side of the connecting ring plate (2-1) are fixedly connected with the mounting plate (2-2), the two ends of the connecting ring plate are respectively provided with the rotating holes (2-3), the front end and the rear end of the mounting plate (2-2) are respectively provided with the rotating holes (2-3), the circle centers of the three rotating holes (2-3) at the same side are connected into an isosceles triangle, the two leg plates (2-4) are respectively and fixedly connected with the left end and the right end of the connecting ring plate (2-1), the lower ends of the two leg plates (2-4) are fixedly connected with supporting bottom plates (2-7), the middle portions of the leg plates (2-4) are provided with slideways (2-5), the front inner wall and the rear inner wall of each slideway (2-5) are provided with inner slideways (2-6), the middle portions of the two transmission mechanisms (4) are respectively connected in the two slideways (2-5) in a sliding mode, and the middle portions of the transmission mechanisms (4) are rotatably connected in three rotating holes (2-3) on the same side.

4. A toy injection molding machine and injection molding method according to claim 3, characterized in that: the transmission mechanism (4) comprises a gear I (4-1), a gear II (4-2), a lower screw (4-3), upper screws (4-4), a connecting plate (4-5) and mounting grooves (4-6), the gear I (4-1) is rotatably connected in rotary holes (2-3) corresponding to the connecting ring plate (2-1), the number of the gears II (4-2) is two, the two gears II (4-2) are respectively rotatably connected in the other two rotary holes (2-3) at the same side with the rotary holes (2-3), the upper end and the lower end of each gear II (4-2) are fixedly connected with the upper screw (4-4) and the lower screw (4-3), and the two upper screws (4-4) are connected with the connecting plate (4-5) in a threaded fit manner, the inner end of the connecting plate (4-5) is provided with a mounting groove (4-6), the lower end of the gear I (4-1) is fixedly connected with an output shaft of the motor (3), the gear I (4-1) is in meshing transmission connection with the two gears II (4-2) on the corresponding side, the left end and the right end of the transmission annular plate (5) are respectively in sliding connection in the two mounting grooves (4-6) and are fixedly connected through bolts, and the outer ends of the two transmission frames (9) are respectively in transmission connection with the lower screw rods (4-3) on the two sides.

5. The toy injection molding machine and the injection molding method according to claim 4, wherein: the inner wall circumference of transmission crown plate (5) evenly is provided with four semicircle orifices (5-1), and both ends all are provided with connecting block (5-2) around it, and its left and right sides sets up porosely (5-3), transmission crown plate (5) utilize the bolt to pass hole (5-3) and connecting plate (4-5) fixed connection, and the lower extreme difference fixed connection of two connection bent plates (7) is on two connecting blocks (5-2).

6. The toy injection molding machine and the injection molding method according to claim 2, wherein: go up template mechanism (6) including upper plate (6-1), cope match-plate pattern (6-2), filling opening (6-3) and last link (6-4), cope match-plate pattern (6-2) pass through bolt fixed connection in the lower extreme of upper plate (6-1), filling opening (6-3) set up the middle part of upper plate (6-1) and cope match-plate pattern (6-2), it is provided with two to go up link (6-4), goes up link (6-4) fixed connection respectively in two both ends around upper plate (6-1), and the upper end of two connection bent plates (7) is connected respectively in the middle part of two last link (6-4), cope match-plate pattern (6-2) sliding connection be in the upper portion of sliding cavity (1-2).

7. The toy injection molding machine and the injection molding method according to claim 2, wherein: the lower template mechanism (8) comprises a lower plate (8-1), a lower template (8-2) and two lower connecting frames (8-3), the lower template (8-2) is fixedly connected to the upper end of the lower plate (8-1), the number of the lower connecting frames (8-3) is two, the two lower connecting frames (8-3) are respectively and fixedly connected to the left end and the right end of the lower plate (8-1), and the inner ends of the two transmission frames (9) are respectively connected with the two lower connecting frames (8-3).

8. A toy injection molding machine and injection molding method according to claim 3 or 7, characterized in that: the transmission frame (9) comprises a sliding block (9-1), a rotating wheel (9-2), a frame (9-3), a transmission connecting plate (9-4) and a threaded hole (9-5), the rotating wheel (9-2) is rotatably connected to two sides of the sliding block (9-1), the inner end and the outer end of the sliding block (9-1) are fixedly connected with the frame (9-3) and the transmission connecting plate (9-4) respectively, the threaded hole (9-5) is arranged on two sides of the transmission connecting plate (9-4), the lower screw rod (4-3) is connected in the corresponding threaded hole (9-5) in a threaded fit mode, the two sliding blocks (9-1) are respectively and slidably connected in the two slideways (2-5), and the rotating wheel (9-2) rotates in the corresponding inner slideway (2-6), the frame (9-3) is fixedly connected with the lower connecting frame (8-3) on the corresponding side.

9. The toy injection molding machine and the injection molding method according to claim 2, wherein: the heating water pipe (10) comprises a curved connecting pipe (10-1), a water inlet pipe (10-2) and a water outlet pipe (10-3), two curved connecting pipes (10-1) are arranged, two ends of the water inlet pipe (10-2) are respectively and fixedly connected with the two curved connecting pipes (10-1), the other ends of the two curved connecting pipes (10-1) are fixedly connected with water outlet pipes (10-3), the two curved connecting pipes (10-1) are respectively placed in two water pipe placing cavities (1-3) which are positioned at right angles, the two water inlet pipes (10-2) respectively penetrate through two semicircular holes (5-1) at symmetrical positions, two adjacent water outlet pipes (10-3) are arranged on different heating water pipes (10), and the two sets of water outlet pipes are formed, the two groups of water outlet pipes (10-3) respectively penetrate through the other two symmetrical semicircular holes (5-1).

10. An injection molding method using the toy injection molding machine according to claim 9, characterized in that: the method comprises the following steps:

step 1: raw materials such as liquid polystyrene, polyester resin, epoxy resin and the like for casting are injected from an injection opening (6-3) of an upper template mechanism (6).

And step 3: after solidification forming, each motor (3) is started, each motor (3) drives two transmission mechanisms (4) respectively, the two transmission mechanisms (4) drive the upper template mechanism (6) and the lower template mechanism (8) to slide upwards and downwards respectively through connecting the bent plate (7) and the transmission frame (9) until the upper template mechanism (6) is completely separated from the cylinder shell (1), and then the solidified and formed toy model can be taken out conveniently.

And 4, step 4: and taking out the toy model, and performing post-treatment.