Raw material hot melting device for toy injection molding

Abstract

The utility model discloses a raw material hot melting device for toy injection molding, and relates to the field of toy injection molding, the raw material hot melting device comprises an injection molding machine body and a stirring shaft, the top of the injection molding machine body is provided with a material storage cylinder, two sides of the interior of the material storage cylinder are respectively provided with an electric heating plate, and an adjusting assembly is arranged above the outer wall of the stirring shaft. By arranging the adjusting assembly, when raw materials attached to the inner wall of the material storage barrel do not need to be scraped, the scraping rod does not make contact with the inner wall of the material storage barrel, so that when the stirring shaft drives the scraping rod to rotate, the scraping rod does not make friction with the inner wall of the material storage barrel, rapid abrasion cannot be caused, the service life of the scraping rod is prolonged, and the replacement frequency of the scraping rod can be reduced; when the raw materials attached to the inner wall of the material storage barrel need to be scraped, a threaded rod can be rotated to move downwards and push a push seat to move downwards, the push seat drives a sliding plate to move downwards and then drives a movable barrel to move downwards, a scraping rod is attached to the inner wall of the material storage barrel, and therefore the raw materials attached to the inner wall of the material storage barrel can be scraped conveniently.

Description

Technical Field

[0001] The utility model relates to the field of toy injection molding, in particular to a raw material hot melting device for toy injection molding. Background Art

[0002] Injection molding is the most common method for producing plastic toys. In this process, plastic particles are heated and melted, and then injected into the mold cavity through an injection molding machine. The plastic then cools and solidifies to obtain the shape of the mold. Before injection molding, the raw materials need to be heated and melted by a hot melt device.

[0003] The existing raw material hot melting device for toy injection molding is provided with a barrel so that the raw material can be added into the barrel, and the raw material is heated by an electric heating plate to melt the raw material, so as to facilitate subsequent injection molding. In addition, a stirring mechanism and a scraper are provided, and the scraper is always in contact with the inner wall of the barrel. When the stirring mechanism rotates to stir the raw material, the scraper can scrape off the raw material attached to the inner wall of the barrel. However, since the scraper always rotates with the stirring mechanism, the scraper will always rub against the inner wall of the barrel, thereby accelerating the wear rate of the scraper. Over time, the part where the scraper contacts the inner wall of the barrel will wear, and the worn part of the scraper is difficult to fit tightly with the inner wall of the barrel, resulting in difficulty in scraping off the raw material attached to the inner wall of the barrel, thereby reducing the service life of the scraper and increasing the replacement frequency of the scraper. Utility Model Content

[0004] Based on this, the purpose of the utility model is to provide a raw material hot melting device for toy injection molding, so as to solve the technical problem that when the stirring mechanism stirs the raw materials, the scraper will always rub against the inner wall of the barrel, thereby accelerating the wear speed of the scraper.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a raw material hot melting device for toy injection molding, comprising an injection molding machine body and a stirring shaft, a material storage barrel is installed on the top of the injection molding machine body, and electric heating plates are installed on both sides of the material storage barrel, an adjusting component is provided above the outer wall of the stirring shaft, and the adjusting component comprises guide plates and slide grooves arranged above both sides of the stirring shaft, an active cavity opened in the stirring shaft and a threaded rod threadedly connected to the stirring shaft, the bottom end of the threaded rod extends into the active cavity and is connected to a push seat, slide plates penetrating the slide groove are provided on both sides of the push seat, and a movable barrel is installed between the two slide plates, a slide seat is sleeved on the outer wall of the guide plate, and a mounting plate is installed on one side of the slide seat, and a pressure plate is connected between the slide seat and the movable barrel through a rotating shaft, and a scraper rod is installed on one side of the mounting plate through a bolt.

[0006] By adopting the above technical solution, when it is necessary to scrape the raw materials attached to the inner wall of the storage barrel, the threaded rod can be rotated to move downward and push the push seat downward, and the push seat drives the slide plate downward, and then drives the movable barrel downward, so that the movable barrel pushes the pressure plate to rotate.

[0007] Furthermore, sealing rings are provided at the top and bottom ends of the movable cylinder, and the inner wall of the sealing ring is in contact with the outer wall of the stirring shaft.

[0008] By adopting the above technical solution, the provision of the sealing ring can prevent the raw material from penetrating into the gap between the movable cylinder and the stirring shaft, thereby preventing the raw material from entering the interior of the movable cavity.

[0009] Furthermore, a guide rod is provided inside the movable cavity, and the guide rod passes through the push seat.

[0010] By adopting the above technical solution, the guide rod can guide the push seat so that the push seat can move up and down stably and prevent the push seat from rotating.

[0011] Furthermore, a material guide pipe is connected between the material storage barrel and the injection molding machine body, and a solenoid valve is installed on the material guide pipe.

[0012] By adopting the above technical solution, when the raw material is heated and melted, the solenoid valve can be opened to allow the raw material to enter the interior of the injection molding machine through the material guide pipe.

[0013] Furthermore, a cover plate is installed on the top of the storage barrel through bolts, and a stirring shaft is connected to the cover plate through a bearing.

[0014] By adopting the above technical solution, it is convenient for the staff to install the cover plate on the storage barrel, and it is also convenient to remove the cover plate from the storage barrel later.

[0015] Furthermore, a motor is installed on one side of the top of the cover plate, and an output end of the motor is connected to a driving gear.

[0016] By adopting the above technical solution, when the stirring shaft needs to be rotated, the motor can be started, and the motor can drive the driving gear to rotate, and then drive the driven gear to rotate.

[0017] Furthermore, a driven gear is sleeved on the outer wall of the stirring shaft, and the driving gear is meshed with the driven gear.

[0018] By adopting the above technical solution, when the driving gear rotates, it will drive the driven gear to rotate, and the driven gear will drive the stirring shaft to rotate.

[0019] Furthermore, a plurality of stirring blades are provided on the outer wall of the stirring shaft, and a feed hopper is provided on the other side of the top of the cover plate.

[0020] By adopting the above technical solution, when the stirring shaft rotates, it will drive the stirring blades to rotate, and the stirring blades can stir the raw materials to improve the heating efficiency of the raw materials.

[0021] Furthermore, the scraper rod is detachably connected to the mounting plate, and both the scraper rod and the mounting plate are slidably connected to the guide plate via a slide seat.

[0022] By adopting the above technical solution, it is convenient for workers to remove the scraper rod from the mounting plate so as to replace the scraper rod.

[0023] Furthermore, the height of the movable cylinder is greater than the height of the slide groove, and the movable cylinder is slidably connected to the slide groove via a slide plate.

[0024] By adopting the above technical solution, the movable cylinder can cover the chute to prevent the melted raw materials from penetrating into the chute.

[0025] In summary, the utility model mainly has the following beneficial effects:

[0026] The utility model discloses a kind of adjusting component is provided with an adjusting component, when there is no need to scrape the raw materials attached to the inner wall of the storage barrel, the scraper rod does not contact the inner wall of the storage barrel, so that when the stirring shaft drives the scraper rod to rotate, the scraper rod will not rub against the inner wall of the storage barrel and will not cause rapid wear, thereby extending the service life of the scraper rod and reducing the frequency of replacement of the scraper rod. When the raw materials attached to the inner wall of the storage barrel need to be scraped, the threaded rod can be rotated to make the threaded rod move down and push the push seat to move down, the push seat drives the slide plate to move down, and then drives the movable cylinder to move down, so that the movable cylinder pushes the pressing plate to rotate, the pressing plate pushes the slide seat to slide on the guide plate, and drives the mounting plate and the scraper rod to move, so that the scraper rod is in contact with the inner wall of the storage barrel, thereby facilitating the scraping of the raw materials attached to the inner wall of the storage barrel. After scraping, it is only necessary to reverse the threaded rod to make the push seat move up, which will drive the slide seat, the mounting plate and the scraper rod to return to their original position. The adjusting process is simple and convenient, with fewer operating steps, thereby improving the efficiency of adjusting the position of the scraper rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0028] Figure 2 It is a schematic diagram of the overall front section structure of the utility model;

[0029] Figure 3 This is a schematic diagram of the three-dimensional structure of the stirring shaft of the utility model;

[0030] Figure 4 It is a schematic diagram of the three-dimensional structure of the scraper rod of the utility model;

[0031] Figure 5 It is a schematic diagram of the three-dimensional structure of the movable cylinder of the utility model;

[0032] Figure 6 For the utility model Figure 2 Schematic diagram of the enlarged structure at point A in the middle.

[0033] In the figure: 1. Injection molding machine body; 2. Storage barrel; 3. Material guide pipe; 4. Solenoid valve; 5. Electric heating plate; 6. Cover plate; 7. Feed hopper; 8. Motor; 9. Adjustment assembly; 901. Threaded rod; 902. Guide plate; 903. Slide seat; 904. Mounting plate; 905. Pressing plate; 906. Movable cavity; 907. Guide rod; 908. Slide groove; 909. Sealing ring; 910. Movable barrel; 911. Slide plate; 912. Push seat; 10. Driving gear; 11. Driven gear; 12. Stirring shaft; 13. Stirring blade; 14. Scraper rod. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0035] The following describes an embodiment of the utility model based on its overall structure.

[0036] Embodiment 1:

[0037] A raw material hot melting device for toy injection molding, such as Figure 1-Figure 6 As shown, it includes an injection molding machine body 1 and a stirring shaft 12, a storage barrel 2 is installed on the top of the injection molding machine body 1, and electric heating plates 5 are installed on both sides of the interior of the storage barrel 2, an adjusting component 9 is provided above the outer wall of the stirring shaft 12, a material guide pipe 3 is connected between the storage barrel 2 and the injection molding machine body 1, and a solenoid valve 4 is installed on the material guide pipe 3. When the raw material is heated and melted, the solenoid valve 4 can be opened to allow the raw material to enter the injection molding machine body 1 through the material guide pipe 3, a cover plate 6 is installed on the top of the storage barrel 2 by bolts, and the cover plate 6 is connected to the stirring shaft 12 by a bearing, so that the staff can install the cover plate 6 on the storage barrel 2 and remove the cover plate 6 from the storage barrel 2 later.

[0038] See also Figure 1-Figure 4A motor 8 is installed on one side of the top of the cover plate 6, and a driving gear 10 is connected to the output end of the motor 8. When the stirring shaft 12 needs to rotate, the motor 8 can be started. The motor 8 can drive the driving gear 10 to rotate, and then drive the driven gear 11 to rotate. The outer wall of the stirring shaft 12 is sleeved with a driven gear 11, and the driving gear 10 is meshed with the driven gear 11. When the driving gear 10 rotates, it will drive the driven gear 11 to rotate, and the driven gear 11 will drive the stirring shaft 12 to rotate. The outer wall of the stirring shaft 12 is provided with a plurality of stirring blades 13. When the stirring shaft 12 rotates, it will drive the stirring blades 13 to rotate, and the stirring blades 13 can stir the raw materials so as to improve the heating efficiency of the raw materials. A feeding hopper 7 is provided on the other side of the top of the cover plate 6, which is convenient for adding the raw materials into the storage barrel 2 through the feeding hopper 7.

[0039] Specifically, the adjustment component 9 includes a guide plate 902 and a slide groove 908 arranged above both sides of the stirring shaft 12, an active cavity 906 opened inside the stirring shaft 12 and a threaded rod 901 threadedly connected to the stirring shaft 12, a knob is connected to the top of the threaded rod 901, and the staff can rotate the threaded rod 901 through the knob, and the bottom end of the threaded rod 901 extends into the active cavity 906 and is connected to a push seat 912, and slide plates 911 are provided on both sides of the push seat 912, which pass through the slide groove 908, and a movable cylinder 910 is installed between the two slide plates 911, and the height of the movable cylinder 910 is greater than the height of the slide groove 908. The movable cylinder 910 is slidably connected to the slide groove 908 through the slide plate 911, so that the movable cylinder 910 can block the slide groove 908 to prevent the melted raw materials from penetrating into the slide groove 908.

[0040] Specifically, the outer wall of the guide plate 902 is sleeved with a slide seat 903, and a mounting plate 904 is installed on one side of the slide seat 903, and a pressing plate 905 is connected between the slide seat 903 and the movable cylinder 910 through a rotating shaft, and a scraper rod 14 is installed on one side of the mounting plate 904 through a bolt. When it is necessary to scrape the raw materials attached to the inner wall of the storage barrel 2, the threaded rod 901 can be rotated to make the threaded rod 901 move downward and push the push seat 912 to move downward, and the push seat 912 drives the slide plate 911 to move downward, and then drives the movable cylinder 910 to move downward, so that The movable cylinder 910 pushes the pressure plate 905 to rotate, and a guide rod 907 is provided inside the movable cavity 906. The guide rod 907 passes through the push seat 912. The guide rod 907 can guide the push seat 912 so that the push seat 912 can move up and down stably to prevent the push seat 912 from rotating. The scraper rod 14 is detachably connected to the mounting plate 904. The scraper rod 14 and the mounting plate 904 are slidably connected to the guide plate 902 through the slide seat 903, which is convenient for the staff to remove the scraper rod 14 from the mounting plate 904 to replace the scraper rod 14.

[0041] Embodiment 2:

[0042] On the basis of the above-mentioned first embodiment, in order to prevent the raw material from penetrating into the gap between the movable cylinder 910 and the stirring shaft 12 and entering into the movable cavity 906, the following structure is provided.

[0043] See also Figure 2-Figure 6 A sealing ring 909 is provided at the top and bottom of the movable cylinder 910. The inner wall of the sealing ring 909 fits with the outer wall of the stirring shaft 12. The setting of the sealing ring 909 can prevent the raw material from penetrating into the gap between the movable cylinder 910 and the stirring shaft 12, thereby preventing the raw material from entering the movable cavity 906.

[0044] The working principle of the utility model is as follows: first, before using the device, turn on the power supply, then add the raw material into the storage barrel 2 through the feed hopper 7, after adding, the electric heating plate 5 and the motor 8 can be started, the electric heating plate 5 can heat the raw material, and the motor 8 can drive the driving gear 10 to rotate, the driving gear 10 drives the driven gear 11 to rotate, and then drives the stirring shaft 12 to rotate, the stirring shaft 12 drives the stirring blade 13 to rotate, the stirring blade 13 can stir the raw material, so as to improve the heating and melting efficiency of the raw material, when the raw material is heated and melted, the solenoid valve 4 can be opened, so that the raw material enters the injection molding machine body 1 through the guide pipe 3;

[0045] When there is no need to scrape the raw materials attached to the inner wall of the storage barrel 2, the scraper rod 14 does not contact the inner wall of the storage barrel 2, so that when the stirring shaft 12 drives the scraper rod 14 to rotate, the scraper rod 14 will not rub against the inner wall of the storage barrel 2 and will not cause rapid wear. When the raw materials attached to the inner wall of the storage barrel 2 need to be scraped, the threaded rod 901 can be rotated to move the threaded rod 901 downward and push the push seat 912 downward, and the push seat 912 drives the slide plate 911 downward, and then drives the movable The movable cylinder 910 moves downward, so that the movable cylinder 910 pushes the pressing plate 905 to rotate, and the pressing plate 905 pushes the slide seat 903 to slide on the guide plate 902, and drives the mounting plate 904 and the scraper rod 14 to move, so that the scraper rod 14 fits with the inner wall of the storage barrel 2, so as to facilitate the scraping of the raw materials attached to the inner wall of the storage barrel 2. After the scraping is completed, it is only necessary to reverse the threaded rod 901 to make the push seat 912 move upward, which will drive the slide seat 903, the mounting plate 904 and the scraper rod 14 to reset;

[0046] When the scraper rod 14 needs to be replaced, the bolts need to be unscrewed from the cover plate 6 and the storage barrel 2, and then the cover plate 6 needs to be moved up to move the stirring shaft 12 out of the storage barrel 2, and the scraper rod 14 needs to be moved out of the storage barrel 2, and then the bolts on the mounting plate 904 need to be unscrewed to remove the scraper rod 14 so that the scraper rod 14 can be replaced. After the stirring shaft 12 is taken out, the staff can also clean the surface of the stirring shaft 12 and the stirring blade 13.

[0047] Although an embodiment of the utility model has been shown and described, this specific embodiment is only an explanation of the utility model and is not a limitation of the utility model. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiments without creative contribution as needed without departing from the principles and purpose of the utility model. However, as long as they are within the scope of the claims of the utility model, they are protected by patent law.

Claims

1. A raw material hot melting device for toy injection molding, comprising an injection molding machine body (1) and a stirring shaft (12), characterized in that: A material storage barrel (2) is installed on the top of the injection molding machine body (1), and electric heating plates (5) are installed on both sides of the material storage barrel (2). An adjustment component (9) is provided above the outer wall of the stirring shaft (12), and the adjustment component (9) includes a guide plate (902) and a slide groove (908) provided above both sides of the stirring shaft (12), an active cavity (906) opened inside the stirring shaft (12), and a threaded rod (901) threadedly connected to the stirring shaft (12), and the bottom end of the threaded rod (901) extends to the active cavity (906). ) is connected to a push seat (912) inside, and slide plates (911) penetrating the slide groove (908) are provided on both sides of the push seat (912), and a movable cylinder (910) is installed between the two slide plates (911), the outer wall of the guide plate (902) is sleeved with a slide seat (903), and a mounting plate (904) is installed on one side of the slide seat (903), and a pressure plate (905) is connected between the slide seat (903) and the movable cylinder (910) via a rotating shaft, and a scraper rod (14) is installed on one side of the mounting plate (904) via bolts.

2. A raw material hot melting device for toy injection molding according to claim 1, characterized in that: The top and bottom ends of the movable cylinder (910) are both provided with sealing rings (909), and the inner wall of the sealing ring (909) is in contact with the outer wall of the stirring shaft (12).

3. A raw material hot melting device for toy injection molding according to claim 1, characterized in that: A guide rod (907) is provided inside the movable cavity (906), and the guide rod (907) passes through the push seat (912).

4. A raw material hot melting device for toy injection molding according to claim 1, characterized in that: A material guide pipe (3) is connected between the material storage barrel (2) and the injection molding machine body (1), and a solenoid valve (4) is installed on the material guide pipe (3).

5. A raw material hot melting device for toy injection molding according to claim 1, characterized in that: A cover plate (6) is installed on the top of the storage barrel (2) via bolts, and a stirring shaft (12) is connected to the cover plate (6) via a bearing.

6. A raw material hot melting device for toy injection molding according to claim 5, characterized in that: A motor (8) is installed on one side of the top of the cover plate (6), and an output end of the motor (8) is connected to a driving gear (10).

7. A raw material hot melting device for toy injection molding according to claim 6, characterized in that: The outer wall of the stirring shaft (12) is sleeved with a driven gear (11), and the driving gear (10) is meshed with the driven gear (11).

8. A raw material hot melting device for toy injection molding according to claim 5, characterized in that: The outer wall of the stirring shaft (12) is provided with a plurality of stirring blades (13), and the other side of the top of the cover plate (6) is provided with a feed hopper (7).

9. A raw material hot melting device for toy injection molding according to claim 1, characterized in that: The scraper rod (14) is detachably connected to the mounting plate (904), and both the scraper rod (14) and the mounting plate (904) are slidably connected to the guide plate (902) via a slide seat (903).

10. A raw material hot melting device for toy injection molding according to claim 1, characterized in that: The height of the movable cylinder (910) is greater than the height of the slide groove (908), and the movable cylinder (910) is slidably connected to the slide groove (908) via a slide plate (911).

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