Hot melting device for plastic mold production and processing

Abstract

The utility model discloses a hot melting device for producing and processing a plastic mould, which belongs to the technical field of plastic mould processing, and comprises a plastic hot melting mechanism and a stirring mechanism, the plastic hot melting mechanism comprises a ring body, a shell is fixedly connected in the ring body, a tank body is fixedly embedded in the shell, and the stirring mechanism is arranged in the tank body. According to the plastic hot melting device, the stirring mechanism is arranged on the plastic hot melting mechanism, so that after the cover plate is closed on the tank body under the action of the positive and negative rotation motor, the servo motor can simultaneously drive the first driven bevel gear and the second driven bevel gear to rotate through the driving bevel gear; meanwhile, servo motors are arranged on the plate body and the cover plate to drive the stirring blades and the frame body, so that the servo motors are not influenced by hot melting high temperature in the tank body during operation; therefore, the problems that the motor is damaged and the performance is reduced due to high temperature are avoided, and long-term stable use of the hot melting device is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic mold processing, in particular to a hot melting device for plastic mold production and processing. Background Technique

[0002] As is well known, in the production and processing of plastic molds, a hot melting device is required to melt the raw materials. As the prior art of the hot melting device, the Chinese patent (publication number: CN217021083U) discloses a hot melting device, especially a plastic processing hot melting device. A plastic processing hot melting device is provided, which can filter the completely melted plastic particles to avoid affecting the quality of plastic processing. A plastic processing hot melting device includes a mounting frame, a mounting plate, a fixing ring, a cylinder, an electric heating wire, etc.; the upper part of the mounting frame is connected with a mounting plate, a fixing ring is fixedly arranged on the mounting plate, a cylinder is fixedly arranged in the fixing ring, a circle of electric heating wires are evenly spaced and connected in the fixing ring, and the electric heating wires are located between the cylinder and the fixing ring. Plastic is put into the cylinder and heated and melted by the electric heating wire. The melted plastic is discharged through the discharge pipe. At the same time, the filter plate can block the unmelted plastic in the cylinder to avoid the discharge of the unmelted plastic.

[0003] However, when the prior art hot melting device processes raw materials, the motor for driving the stirring frame is directly placed inside the cylinder. The high temperature inside the cylinder will cause damage and performance degradation of the motor, which is not conducive to the long-term stable use of the hot melting device. Therefore, a hot melting device for plastic mold production and processing is proposed. Summary of the Invention

[0004] The purpose of the utility model is to provide a hot melting device for plastic mold production and processing to solve the problems put forward in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: A hot melting device for plastic mold production and processing includes a plastic hot melting mechanism and a stirring mechanism;

[0006] The plastic hot melting mechanism includes a ring body, a shell is fixedly connected inside the ring body, a tank body is fixedly embedded inside the shell, and electric heating wires are evenly fixedly installed in the adjacent gap between the shell and the tank body;

[0007] The stirring mechanism includes a cover plate and a vertical rod fixedly connected to the top of the ring body. The top of the vertical rod is fixedly installed with a forward and reverse motor through a top plate. The output shaft of the forward and reverse motor is fixedly connected with a lead screw. A plate body is threadedly sleeved on the lead screw. The inside of the plate body is slidably connected to the vertical rod. A servo motor is fixedly installed on one side of the plate body adjacent to the cover plate. The output shaft of the servo motor is fixedly connected with a driving bevel gear. The outside of the driving bevel gear is respectively meshed with a first driven bevel gear and a second driven bevel gear. A pipe body is fixedly embedded inside the second driven bevel gear. The pipe body is rotatably connected inside the cover plate. A main shaft is fixedly embedded inside the first driven bevel gear. The top of the main shaft is rotatably connected to the plate body. One side of the main shaft penetrates through the pipe body and is fixedly connected with a stirring blade. A frame body is fixedly connected to the outside of the pipe body.

[0008] As a further preference of this technical solution: The bottom of the ring body is evenly and fixedly connected with legs distributed at equal intervals.

[0009] As a further preference of this technical solution: The bottom of the tank body is communicated with a discharge pipe.

[0010] As a further preference of this technical solution: Exhaust holes are provided inside the cover plate.

[0011] As a further preference of this technical solution: A rubber gasket is fixedly connected to the bottom of the cover plate.

[0012] As a further preference of this technical solution: The bottom end of the lead screw is rotatably connected to the ring body through a bearing.

[0013] As a further preference of this technical solution: A valve is fixedly installed on the discharge pipe.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] 1. By arranging a stirring mechanism on the plastic hot melting mechanism of the present utility model, after the cover plate is closed on the tank body under the action of the forward and reverse motor, the servo motor can drive the first driven bevel gear and the second driven bevel gear to rotate simultaneously through the driving bevel gear, so that the reversely rotating stirring blade and the frame body can evenly stir the raw materials in the tank body;

[0016] 2. By arranging a servo motor on the plate body and the cover plate to drive the stirring blade and the frame body, the servo motor will not be affected by the high temperature of hot melting inside the tank body during operation, thus avoiding problems such as damage and performance degradation of the motor due to high temperature, which is beneficial to the long-term and stable use of the hot melting device. Description of the Drawings

[0017] Figure 1This is the first structural schematic diagram of a hot-melting device for plastic mold production and processing according to the present utility model;

[0018] Figure 2 This is a hot-melting device for plastic mold production and processing according to the present utility model Figure 1 The enlarged structural schematic diagram of part A in it;

[0019] Figure 3 This is the second structural schematic diagram of a hot-melting device for plastic mold production and processing according to the present utility model;

[0020] Figure 4 This is a hot-melting device for plastic mold production and processing according to the present utility model Figure 3 The enlarged structural schematic diagram of part B in it;

[0021] Figure 5 This is the installation structural schematic diagram of the housing and the heating wire in a hot-melting device for plastic mold production and processing according to the present utility model.

[0022] In the figure: 1. Plastic hot-melting mechanism; 10. Ring body; 11. Housing; 12. Tank body; 13. Heating wire; 14. Discharge pipe; 15. Leg; 2. Stirring mechanism; 20. Vertical rod; 21. Top plate; 22. Forward and reverse motor; 23. Lead screw; 24. Plate body; 25. Servo motor; 26. Driving bevel gear; 27. First driven bevel gear; 28. Second driven bevel gear; 29. Main shaft; 201. Cover plate; 202. Stirring blade; 203. Pipe body; 205. Exhaust hole; 206. Frame body. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model.

[0024] Embodiment 1

[0025] Please refer to Figures 1 - 5 , the present utility model provides a technical solution: a hot-melting device for plastic mold production and processing, including a plastic hot-melting mechanism 1 and a stirring mechanism 2.

[0026] In this embodiment, specifically: after the heating wire 13 is started, the metal tank body 12 can increase in temperature under the action of heat conduction, so that the raw materials can be hot-melted inside the tank body 12, and the housing 11 can effectively reduce the heat loss;

[0027] Among them, the plastic hot-melting mechanism 1 includes a ring body 10, the inside of the ring body 10 is fixedly connected with a housing 11, the inside of the housing 11 is fixedly embedded with a tank body 12, and heating wires 13 are uniformly and fixedly installed in the adjacent gap between the housing 11 and the tank body 12.

[0028] Embodiment 2

[0029] When the raw materials are put into the tank body 12 for hot melting, the forward and reverse motor 22 can drive the lead screw 23 to rotate clockwise, so that the plate body 24 can slide down on the vertical rod 20, and then the cover plate 201 can be tightly covered on the top of the tank body 12. In addition, after starting the servo motor 25, it can drive the driving bevel gear 26 to rotate clockwise, so that the first driven bevel gear 27 can rotate counterclockwise and the second driven bevel gear 28 can rotate clockwise, and then the main shaft 29 can drive the stirring blade 202 to rotate counterclockwise, and the pipe body 203 can drive the frame body 206 to rotate clockwise, so that the raw materials hot melted in the tank body 12 can be efficiently stirred;

[0030] Among them, the stirring mechanism 2 includes a cover plate 201 and a vertical rod 20 fixedly connected to the top of the ring body 10. The top of the vertical rod 20 is fixedly installed with a forward and reverse motor 22 through a top plate 21. The output shaft of the forward and reverse motor 22 is fixedly connected with a lead screw 23. A plate body 24 is threadedly sleeved on the lead screw 23. The inside of the plate body 24 is slidably connected to the vertical rod 20. A servo motor 25 is fixedly installed on one side of the plate body 24 adjacent to the cover plate 201. The output shaft of the servo motor 25 is fixedly connected with a driving bevel gear 26. The outside of the driving bevel gear 26 is respectively meshed with a first driven bevel gear 27 and a second driven bevel gear 28. A pipe body 203 is fixedly embedded inside the second driven bevel gear 28. The pipe body 203 is rotatably connected inside the cover plate 201. A main shaft 29 is fixedly embedded inside the first driven bevel gear 27. The top of the main shaft 29 is rotatably connected to the plate body 24. One side of the main shaft 29 penetrates through the pipe body 203 and is fixedly connected with a stirring blade 202. The outside of the pipe body 203 is fixedly connected with a frame body 206.

[0031] In this embodiment, specifically: In order to stably support the ring body 10, the bottom of the ring body 10 is evenly and fixedly connected with legs 15 distributed at equal intervals.

[0032] In this embodiment, specifically: In order to discharge the hot-melted raw materials for facilitating the subsequent plastic mold production process, a discharge pipe 14 is communicated with the bottom of the tank body 12, and a valve is fixedly installed on the discharge pipe 14.

[0033] In this embodiment, specifically: In order to facilitate the discharge of the steam generated during hot melting from the tank body 12, exhaust holes 205 are opened inside the cover plate 201; in order to facilitate improving the sealing performance when the cover plate 201 is closed on the tank body 12, a rubber gasket is fixedly connected to the bottom of the cover plate 201.

[0034] In this embodiment, specifically: In order to reduce the rotation load of the lead screw 23, the bottom end of the lead screw 23 is rotatably connected to the ring body 10 through a bearing.

[0035] Working principle: After the heating wire 13 is started, the metal tank body 12 can increase its temperature under the action of heat conduction, so that the raw materials can be melted inside the tank body 12, and the shell 11 can effectively reduce the heat loss; when the raw materials are put into the tank body 12 for melting, the positive and negative rotation motor 22 can drive the lead screw 23 to rotate clockwise, so that the plate body 24 can slide down on the vertical rod 20, and then the cover plate 201 can be tightly covered on the top of the tank body 12. In addition, after the servo motor 25 is started, it can drive the driving bevel gear 26 to rotate clockwise, so that the first driven bevel gear 27 can rotate counterclockwise and the second driven bevel gear 28 can rotate clockwise, and then the main shaft 29 can drive the stirring blade 202 to rotate counterclockwise, and the pipe body 203 can drive the frame body 206 to rotate clockwise, so that the melted raw materials in the tank body 12 can be efficiently stirred.

[0036] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hot melt device for plastic mold production and processing, characterized in that: It comprises a plastic hot-melting mechanism (1) and a stirring mechanism (2); The plastic hot-melt mechanism (1) comprises a ring body (10), the interior of the ring body (10) is fixedly connected to a shell (11), the interior of the shell (11) is fixedly embedded with a tank body (12), and electric heating wires (13) are evenly fixedly installed in adjacent gaps between the shell (11) and the tank body (12); The stirring mechanism (2) comprises a cover plate (201) and a vertical rod (20) fixedly connected to the top of the ring body (10); a forward and reverse motor (22) is fixedly installed on the top of the vertical rod (20) through the top plate (21); the output shaft of the forward and reverse motor (22) is fixedly connected to a screw rod (23); a plate body (24) is threadedly sleeved on the screw rod (23); the interior of the plate body (24) is slidably connected to the vertical rod (20); a servo motor (25) is fixedly installed on a side adjacent to the plate body (24) and the cover plate (201); the output shaft of the servo motor (25) is fixedly connected to a driving bevel gear (26); The outer side of the active bevel gear (26) is respectively meshed with a first driven bevel gear (27) and a second driven bevel gear (28); a tube body (203) is fixedly embedded in the interior of the second driven bevel gear (28); the tube body (203) is rotatably connected to the interior of the cover plate (201); a main shaft (29) is fixedly embedded in the interior of the first driven bevel gear (27); the top end of the main shaft (29) is rotatably connected to the plate body (24); one side of the main shaft (29) passes through the tube body (203) and is fixedly connected to a stirring blade (202); and the outer side of the tube body (203) is fixedly connected to a frame body (206).

2. A hot melting device for plastic mold production and processing according to claim 1, characterized in that: The bottom of the ring body (10) is evenly and fixedly connected with equidistantly distributed supporting legs (15).

3. A hot melting device for plastic mold production and processing according to claim 1, characterized in that: The bottom of the tank body (12) is connected to a discharge pipe (14).

4. A hot melting device for plastic mold production and processing according to claim 1, characterized in that: An exhaust hole (205) is provided inside the cover plate (201).

5. The hot-melt device for plastic mold production and processing according to claim 4, wherein: A rubber gasket is fixedly connected to the bottom of the cover plate (201).

6. A hot-melt device for plastic mold production and processing according to claim 1, characterized in that: The bottom end of the screw rod (23) is rotatably connected to the ring body (10) via a bearing.

7. The hot melt device for plastic mold production and processing according to claim 3, characterized in that: A valve is fixedly installed on the discharge pipe (14).

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