Multi-color continuous injection molding device for toothbrush handle

Abstract

The utility model relates to the technical field of toothbrush production, and particularly discloses a toothbrush handle multicolor continuous injection molding device which comprises an injection molding table, a first injection molding machine, a second injection molding machine and a feeding mechanism, a moving groove is formed in the middle of the injection molding table, and the feeding mechanism is arranged in the moving groove. Mould are arranged on the injection molding table and located on the two sides of the moving groove, and the first injection molding machine and the second injection molding machine are arranged above the injection molding table. The feeding mechanism comprises a moving screw rotationally installed in the moving groove, a screw sleeve slidably installed in the moving groove and a feeding table. In the feeding process of the feeding mechanism, the two injection molding machines are used for continuous injection molding of various colors, cooling air and cooling liquid are used for cooling toothbrush handles in the injection molding process, and the injection molding efficiency of the toothbrush handles is effectively improved.

Description

Technical Field

[0001] The utility model specifically relates to the technical field of toothbrush production, in particular to a multi-color continuous injection molding device for a toothbrush handle. Background Art

[0002] As an important daily necessity, toothbrushes also play an important role in people's lives. Toothbrush handles are generally produced in large quantities through injection molding machines. Currently, in order to increase the aesthetics of toothbrush handles, multi-color injection molding is required.

[0003] The existing toothbrush handle production injection molding device is more complicated when performing multi-color injection molding. Generally, the conversion is performed by rotating the molding device as a whole, but the toothbrush handle that has completed the first injection molding needs to be repositioned for the second injection molding to complete the two-color injection molding. The process is relatively cumbersome, and when performing injection molding of more than two colors, the equipment is relatively complex and difficult to operate. Utility Model Content

[0004] The purpose of the utility model is to provide a multi-color continuous injection molding device for a toothbrush handle to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-color continuous injection molding device for a toothbrush handle, comprising an injection molding table, a first injection molding machine, a second injection molding machine and a feeding mechanism, a movable groove is opened in the middle of the injection molding table, the feeding mechanism is arranged inside the movable groove, molds are arranged on both sides of the movable groove on the injection molding table, the first injection molding machine and the second injection molding machine are arranged above the injection molding table; the feeding mechanism comprises a movable screw rotatably installed inside the movable groove, a screw sleeve slidably installed inside the movable groove and a feeding table, the screw sleeve is threadedly connected with the movable screw, a guide column is fixedly installed on the screw sleeve, a top plate is fixedly installed on the upper end of the guide column, the feeding table is slidably connected with the guide column, and the feeding table is connected to the top plate through a connecting spring sleeved on the outside of the guide column; a plurality of toothbrush fixing grooves are arranged on both sides of the feeding table, and the toothbrush fixing grooves are used to fix the head of the toothbrush handle.

[0006] As a further solution of the utility model: a cavity is opened in the lower part of the guide column, a connecting pipe and a baffle are provided at the bottom of the feeding platform, the baffle is slidably connected to the side wall of the guide column, and an air inlet cavity is provided on the upper part of the baffle, the connecting pipe is connected to the air inlet cavity, an air duct is arranged inside the feeding platform, the connecting pipe is also connected to the air duct, a plurality of nozzles are provided at the side of the feeding platform, and the air duct is connected to the nozzles.

[0007] As a further solution of the utility model: an air outlet is also opened on the lower side of the guide column, and the air outlet is connected to the cavity; the cavity is also connected to an air inlet pipe.

[0008] As a further solution of the utility model: a lifting mechanism for controlling the lifting of the first injection molding machine and the second injection molding machine is arranged at the side of the injection molding table, the lifting mechanism includes a frame, a guide rod fixedly mounted on the frame, and a lifting screw rotatably mounted on the frame, the lifting screw is threadedly connected to the first injection molding machine or the second injection molding machine, the guide rod is slidingly connected to the first injection molding machine or the second injection molding machine, and a control motor for driving the lifting screw to rotate is arranged at the bottom of the frame.

[0009] As a further solution of the utility model: a plurality of cooling channels are provided on the injection molding table at the side of the mold, and a circulation channel matching with the cooling channel is provided on the side of the first injection molding machine and the second injection molding machine facing the injection molding table.

[0010] As a further solution of the utility model: the circulation channel is connected to a pipeline, a liquid pump is installed on the frame, and a liquid inlet of the liquid pump is connected to the pipeline.

[0011] As a further solution of the utility model: a support box is installed on the lower side of the injection molding table, a storage box is arranged inside the support box, the storage box is connected to the cooling channel through a pipeline, the discharge port of the liquid pump is connected to the storage box, and cooling liquid is stored inside the storage box.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the utility model drives the toothbrush handle to move on the workbench through the feeding mechanism, and a first injection molding machine and a second injection molding machine are arranged on the workbench, and during the feeding process of the feeding mechanism, the two injection molding machines are used to perform continuous injection molding of multiple colors, and during the injection molding process, cooling air and cooling liquid are used to dissipate the heat of the toothbrush handle, thereby effectively improving the injection molding efficiency of the toothbrush handle. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of a multi-color continuous injection molding device for a toothbrush handle;

[0014] Figure 2 It is a structural schematic diagram of a multi-color continuous injection molding device for a toothbrush handle without the first injection molding machine;

[0015] Figure 3 Schematic diagram of the structure of the feeding mechanism in the multi-color continuous injection molding device for toothbrush handles Figure 1 ;

[0016] Figure 4 Schematic diagram of the structure of the feeding mechanism in the multi-color continuous injection molding device for toothbrush handles Figure 2 ;

[0017] Figure 5It is a front view of a feeding mechanism in a multi-color continuous injection molding device for a toothbrush handle;

[0018] Figure 6 This is a schematic diagram of the structure inside the support box in the multi-color continuous injection molding device for toothbrush handles.

[0019] In the figure: 10-injection molding table, 11-support box, 111-storage box, 112-pipeline, 12-mold, 13-cooling channel, 20-first injection molding machine, 30-second injection molding machine, 40-lifting mechanism, 41-frame, 42-guide rod, 43-lifting screw, 44-pipeline, 45-liquid pump, 50-feeding mechanism, 51-moving screw, 52-screw sleeve, 53-guide column, 531-top plate, 532-connecting spring, 533-cavity, 54-feeding table, 55-sprinkler, 56-connecting pipe, 57-baffle, 58-toothbrush fixing groove, 59-air inlet pipe, 60-feeding pipe. DETAILED DESCRIPTION

[0020] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-Figure 6In an embodiment of the utility model, a multi-color continuous injection molding device for a toothbrush handle includes an injection molding table 10, a first injection molding machine 20, a second injection molding machine 30 and a feeding mechanism 50. A movable groove is provided in the middle of the injection molding table 10, and the feeding mechanism 50 is arranged inside the movable groove. Molds 12 are provided on both sides of the movable groove on the injection molding table 10. The first injection molding machine 20 and the second injection molding machine 30 are arranged above the injection molding table 10. The first injection molding machine 20 and the second injection molding machine 30 have the same structure. When closing the mold, the first injection molding machine 20 and the second injection molding machine 30 move toward the mold 12 until the first injection molding machine 20 and the second injection molding machine 30 are closely attached to the injection molding table 10. Subsequently, the first injection molding machine 20 and / or the second injection molding machine 30 move toward the mold 12 until the first injection molding machine 20 and the second injection molding machine 30 are closely attached to the injection molding table 10. Or the second injection molding machine 30 injects the heated and molten plastic particles into the mold 12, and the heated and molten plastic particles inside the mold 12 are fixed and cooled to form a solid plastic toothbrush handle. It should be noted that in this embodiment, the first injection molding machine 20 and the second injection molding machine 30 can both adopt existing technologies. The first injection molding machine 20 and the second injection molding machine 30 drive the plastic particles to move through a screw feeder, and use a heater to heat the plastic particles during the movement to heat and melt the plastic particles. The first injection molding machine 20 and the second injection molding machine 30 are provided with a feeding pipe 60, which is used to add plastic particles; in addition, the plastic particles inside the first injection molding machine 20 and the second injection molding machine 30 can be of different colors to achieve multi-color injection molding of the toothbrush handle.

[0022] like Figure 2-Figure 5As shown, the feeding mechanism 50 includes a moving screw 51 rotatably mounted inside the moving groove, a screw sleeve 52 slidably mounted inside the moving groove, and a feeding platform 54, wherein the screw sleeve 52 is threadedly connected to the moving screw 51, a guide column 53 is fixedly mounted on the screw sleeve 52, a top plate 531 is fixedly mounted on the upper end of the guide column 53, the feeding platform 54 is slidably connected to the guide column 53, and the feeding platform 54 is connected to the top plate 531 through a connecting spring 532 sleeved on the outside of the guide column 53. A plurality of toothbrush fixing grooves 58 are provided on both sides of the feeding platform 54, and the toothbrush fixing grooves 58 are used to fix the head of the toothbrush handle. When the movable screw 51 is in a rotating state, the screw sleeve 52 is driven to slide along the movable groove, thereby driving the feeding platform 54 to move. When the toothbrush fixing groove 58 is aligned with the mold 12, the mold is closed, and the first injection molding machine 20 and / or the second injection molding machine 30 moves toward the injection molding platform 10. During the movement, the first injection molding machine 20 and the second injection molding machine 30 squeeze the feeding platform 54, so that the feeding platform 54 descends After the mold is closed, the feeding platform 54 is at the same height as the mold 12; further, in the embodiment of the present application, a cavity 533 is provided at the lower part of the guide column 53, a connecting pipe 56 and a baffle 57 are provided at the bottom of the feeding platform 54, the baffle 57 is slidably connected to the side wall of the guide column 53, and an air inlet cavity is provided at the upper part of the baffle 57, the connecting pipe 56 is communicated with the air inlet cavity, an air duct is arranged inside the feeding platform 54, the connecting pipe 56 is also communicated with the air duct, and the side of the feeding platform 54 is provided with a connecting pipe 56. A plurality of nozzles 55 are arranged on the edge, and the air duct is connected to the nozzles 55; an air outlet is also opened on the lower side of the guide column 53, and the air outlet is connected to the cavity 533. When the air outlet is connected to the air inlet cavity, the gas inside the cavity 533 enters the air duct from the connecting pipe 56, and is finally ejected from the nozzles 55, so that the nozzles 55 blow air to the toothbrush handle to dissipate heat, thereby accelerating the cooling effect of the toothbrush handle; in addition, in the embodiment of the present application, the cavity 533 is also connected to an air inlet pipe 59 for introducing cooling air.

[0023] In the embodiment of the present application, a lifting mechanism 40 for controlling the lifting and lowering of the first injection molding machine 20 and the second injection molding machine 30 is provided at the side of the injection molding table 10, and the lifting mechanism 40 includes a frame 41, a guide rod 42 fixedly mounted on the frame 41, and a lifting screw 43 rotatably mounted on the frame 41, the lifting screw 43 is threadedly connected to the first injection molding machine 20 or the second injection molding machine 30, the guide rod 42 is slidably connected to the first injection molding machine 20 or the second injection molding machine 30, and a control motor for driving the lifting screw 43 to rotate is provided at the bottom of the frame 41.

[0024] In the embodiment of the present application, a plurality of cooling channels 13 are provided on the side of the mold 12 on the injection molding table 10, and a circulation channel matching the cooling channel 13 is provided on the side of the first injection molding machine 20 and the second injection molding machine 30 facing the injection molding table 10, and the circulation channel is connected to the pipeline 44, and a liquid pump 45 is installed on the frame 41, and the liquid inlet of the liquid pump 45 is connected to the pipeline 44; a support box 11 is installed on the lower side of the injection molding table 10, and a storage box 11 is provided inside the support box 11. The storage box 111 is connected with the cooling channel 13 through the pipeline 112, and the discharge port of the liquid pump 45 is connected with the storage box 111. The storage box 111 stores cooling liquid inside. When the mold is closed, the circulation channel and the cooling channel 13 are connected, the liquid pump 45 is started, and the cooling liquid inside the storage box 111 passes through the pipeline 112, the cooling channel 13, the circulation channel and the pipeline 44 in turn and then returns to the storage box 111. During the flow of the cooling liquid, the toothbrush handle in the mold 12 is cooled.

[0025] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0026] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A multi-color continuous injection molding device for a toothbrush handle, characterized in that: The invention comprises an injection molding table (10), a first injection molding machine (20), a second injection molding machine (30) and a feeding mechanism (50); a movable groove is provided in the middle of the injection molding table (10); the feeding mechanism (50) is arranged inside the movable groove; molds (12) are arranged on both sides of the movable groove on the injection molding table (10); the first injection molding machine (20) and the second injection molding machine (30) are arranged above the injection molding table (10); the feeding mechanism (50) comprises a movable screw (51) rotatably mounted inside the movable groove, a screw sleeve (52) slidably mounted inside the movable groove, and a movable screw (53) rotatably mounted inside the movable groove. The present invention relates to a toothbrush holder (52) and a feeding platform (54), wherein the screw sleeve (52) is threadedly connected to the movable screw rod (51), a guide column (53) is fixedly mounted on the screw sleeve (52), a top plate (531) is fixedly mounted on the upper end of the guide column (53), the feeding platform (54) is slidably connected to the guide column (53), and the feeding platform (54) is connected to the top plate (531) via a connecting spring (532) sleeved on the outside of the guide column (53); a plurality of toothbrush fixing grooves (58) are arranged on both sides of the feeding platform (54), and the toothbrush fixing grooves (58) are used to fix the head of the toothbrush handle.

2. The multi-color continuous injection molding device for a toothbrush handle according to claim 1, characterized in that: A cavity (533) is provided at the lower part of the guide column (53); a connecting pipe (56) and a baffle (57) are provided at the bottom of the feeding platform (54); the baffle (57) is slidably connected to the side wall of the guide column (53); an air inlet cavity is provided at the upper part of the baffle (57); the connecting pipe (56) is communicated with the air inlet cavity; an air duct is arranged inside the feeding platform (54); the connecting pipe (56) is also communicated with the air duct; a plurality of nozzles (55) are provided at the side of the feeding platform (54); the air duct is communicated with the nozzles (55).

3. The multi-color continuous injection molding device for a toothbrush handle according to claim 2, characterized in that: An air outlet is also provided on the lower side of the guide column (53), and the air outlet is connected to the cavity (533); the cavity (533) is also connected to an air inlet pipe (59).

4. The multi-color continuous injection molding device for a toothbrush handle according to claim 1, characterized in that: A lifting mechanism (40) for controlling the lifting of the first injection molding machine (20) and the second injection molding machine (30) is arranged at the side of the injection molding table (10); the lifting mechanism (40) comprises a frame (41), a guide rod (42) fixedly mounted on the frame (41), and a lifting screw (43) rotatably mounted on the frame (41); the lifting screw (43) is threadedly connected to the first injection molding machine (20) or the second injection molding machine (30); the guide rod (42) is slidably connected to the first injection molding machine (20) or the second injection molding machine (30); and a control motor for driving the lifting screw (43) to rotate is arranged at the bottom of the frame (41).

5. The multi-color continuous injection molding device for a toothbrush handle according to claim 4, characterized in that: A plurality of cooling channels (13) are provided on the injection molding table (10) at the side of the mold (12), and a circulation channel matching the cooling channels (13) is provided on the side of the first injection molding machine (20) and the second injection molding machine (30) facing the injection molding table (10).

6. The multi-color continuous injection molding device for a toothbrush handle according to claim 5, characterized in that: The circulation channel is in communication with a pipeline (44); a liquid pump (45) is installed on the frame (41); and a liquid inlet of the liquid pump (45) is in communication with the pipeline (44).

7. The multi-color continuous injection molding device for a toothbrush handle according to claim 6, characterized in that: A support box (11) is installed at the lower side of the injection molding table (10), a storage box (111) is arranged inside the support box (11), the storage box (111) is connected to the cooling channel (13) through a pipeline (112), the discharge port of the liquid pump (45) is connected to the storage box (111), and cooling liquid is stored inside the storage box (111).

Images