Heater for drying feeding cylinder of injection molding machine

Abstract

The utility model relates to the technical field of injection molding machine charging, in particular to a heater for drying a charging barrel of an injection molding machine, which comprises a drying box, a discharging barrel, a stirring motor and a stirring rod, the whole drying box is of a strip-shaped structure, and a drying cavity is arranged in the drying box; the cross section of the drying cavity is of a U-shaped structure, one side of the drying box is provided with an opening, one end of the drying box is provided with a discharging barrel, and the discharging barrel and the opening of the drying box are arranged correspondingly; the stirring motor is mounted at the non-opened end of the drying box, and the stirring rod is arranged in the drying cavity; stirring blades are arranged on the stirring rod, and the stirring rod is connected with the output end of the stirring motor; a heating cavity is formed in the box wall of the drying box, an electric heating plate is arranged in the heating cavity, and a water adding opening and a water outlet are formed in the side face of the drying box. According to the heater, on one hand, materials can be conveyed, and on the other hand, the materials are dried in the conveying process by increasing the temperature.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding machine feeding, in particular to a heater for drying a feeding cylinder of an injection molding machine. Background Art

[0002] The injection molding machine is a major molding equipment used to manufacture plastic products. It can process thermoplastics or thermosetting plastics into products of various shapes through molds. The injection molding machine combines the thermal processing characteristics of plastics and the molten die-casting molding principle of metals. It heats the plastic to a molten state, then applies high pressure to inject the molten plastic into a closed mold cavity, and opens the mold to take out the molded product after cooling and solidification.

[0003] The raw materials used by the injection molding machine are plastic particles. In order to ensure the injection molding effect, the raw materials need to be dried in advance when added; when the existing equipment dries the raw materials, since the plastic particles are usually piled together, there is airtightness during drying, resulting in low drying efficiency and affecting the entire production process. Utility Model Content

[0004] The utility model aims to provide a heater for drying a feeding cylinder of an injection molding machine, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a heater for drying a feeding barrel of an injection molding machine, comprising a drying box, a discharging barrel, a stirring motor and a stirring rod, the drying box being in a strip-shaped structure as a whole, and a drying chamber being arranged inside the drying box; the drying chamber being in a U-shaped structure in cross section, and one side of the drying box being open, and a discharging barrel being arranged at one end of the drying box, and the discharging barrel and the opening of the drying box being arranged corresponding to each other; the stirring motor being installed at the unopened end of the drying box, and the stirring rod being arranged in the drying chamber; the stirring rod being provided with stirring blades, and the stirring rod being connected to the output end of the stirring motor; a heating chamber being arranged in the wall of the drying box, and an electric heating plate being arranged in the heating chamber, and a water inlet and a water outlet being arranged on the side of the drying box.

[0006] Preferably, the discharge barrel is arranged as an annular structure, and a trumpet-shaped expanding barrel is arranged on the outside of the discharge barrel; an air vent is arranged on the upper part of the drying box, a baffle is arranged in the air vent, and a plurality of air vents are evenly arranged along the length direction of the drying box.

[0007] Preferably, a filling port is provided at the upper portion of the drying box away from the end of the discharge cylinder, and a feed port is provided at the upper portion of the filling port.

[0008] Preferably, the stirring blade is a spiral blade, a rotating seat is provided at the end of the stirring rod, and a slot is provided in the rotating seat; a connecting seat is suspended on the top of the drying chamber, and a U-shaped support seat is installed at the bottom of the connecting seat; the support seat is clamped in the slot through a support block.

[0009] Preferably, the support block is configured as a semicircular ring structure as a whole, and the support block is engaged in the slot; and balls are evenly inlaid on the inner wall of the support block.

[0010] Preferably, the connecting seat is arranged as an L-shaped structure, a connecting hole is arranged at the upper part of the connecting seat, and the drying box is connected to the connecting hole by bolts; a screw and a guide rod are arranged at the bottom of the connecting seat, the guide rods are symmetrically arranged on both sides of the screw, and the screw is installed at the lower part of the connecting seat through a rotating shaft; a screw sleeve and a guide sleeve are arranged at the upper part of the support seat, the screw and the screw sleeve are cooperatively plugged in, and the guide rod and the guide sleeve are correspondingly plugged in.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the heater provided by the utility model heats the drying box by setting a heating chamber, and realizes the movement of materials through spiral blades; thereby, on the one hand, it can transport materials, and on the other hand, it can dry the materials during transportation by increasing the temperature, thereby effectively improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the stirring rod structure of the utility model;

[0014] Figure 3 This is a schematic diagram of the support seat and connecting seat structure of the utility model;

[0015] Numbers in the figure: 1. Drying box; 11. Drying chamber; 12. Filling port; 13. Feed port; 14. Ventilation port; 15. Water inlet; 16. Water outlet; 2. Discharge barrel; 21. Expanding barrel; 3. Stirring motor; 4. Stirring rod; 41. Stirring blade; 42. Rotating seat; 43. Slot; 5. Support seat; 51. Support block; 52. Ball bearing; 53. Screw sleeve; 54. Guide sleeve; 6. Connecting seat; 61. Screw; 62. Guide rod; 63. Connecting hole; 7. Bolt. DETAILED DESCRIPTION

[0016] 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.

[0017] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0018] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] See also Figure 1-3 The utility model provides a technical solution: a heater for drying a feeding cylinder of an injection molding machine, comprising a drying box 1, a discharging cylinder 2, a stirring motor 3 and a stirring rod 4, the drying box 1 being in a strip-shaped structure as a whole, and a drying chamber 11 being arranged in the drying box 1; the cross section of the drying chamber 11 being in a U-shaped structure, one side of the drying box 1 being open, a discharging cylinder 2 being arranged at one end of the drying box 1, and the discharging cylinder 2 and the opening of the drying box 1 being arranged corresponding to each other; the stirring motor 3 being installed at the unopened end of the drying box 1, and the stirring rod 4 being arranged in the drying chamber 11; a stirring blade 41 being arranged on the stirring rod 4, and the stirring rod 4 being connected to the output end of the stirring motor 3; a heating chamber being arranged in the box wall of the drying box 1, and an electric heating plate being arranged in the heating chamber, and a water inlet 15 and a water outlet 16 being arranged on the side of the drying box 1.

[0020] Furthermore, the discharge barrel 2 is configured as an annular structure, and a trumpet-shaped expanding barrel 21 is provided on the outside of the discharge barrel 2; an air vent 14 is provided on the upper part of the drying box 1, a baffle is provided inside the air vent 14, and multiple air vents 14 are evenly arranged along the length direction of the drying box 1.

[0021] Furthermore, a filling port 12 is provided at the upper portion of the drying box 1 away from the discharge cylinder 2 , and a feed port 13 is provided at the upper portion of the filling port 12 .

[0022] Furthermore, the stirring blade 41 is a spiral blade, a rotating seat 42 is provided at the end of the stirring rod 4, and a slot 43 is provided in the rotating seat 42; a connecting seat 6 is suspended at the top of the drying chamber 11, and a U-shaped support seat 5 is installed at the lower part of the connecting seat 6; the support seat 5 is stuck in the slot 43 through a support block 51.

[0023] Furthermore, the support block 51 is configured as a semicircular ring structure as a whole, and the support block 51 is engaged and clamped in the clamping groove 43 ; and the inner wall of the support block 51 is evenly inlaid with balls 52 .

[0024] Furthermore, the connecting seat 6 is configured as an L-shaped structure, and a connecting hole 63 is provided on the upper part of the connecting seat 6, and the drying box 1 is connected to the connecting hole 63 by a bolt 7; a screw 61 and a guide rod 62 are provided at the bottom of the connecting seat 6, and the guide rod 62 is symmetrically arranged on both sides of the screw 61, and the screw 61 is installed at the lower part of the connecting seat 6 through a rotating shaft; a screw sleeve 53 and a guide sleeve 54 are provided on the upper part of the support seat 5, the screw 61 is cooperatively plugged with the screw sleeve 53, and the guide rod 62 is correspondingly plugged with the guide sleeve 54.

[0025] Working principle: In actual use, the filling port 12 on the upper part of the drying box 1 is used to add materials, and the feed port 13 connected thereto is used to add raw materials; after the raw materials are added to the drying box 1, the stirring motor 3 drives the stirring rod 4 to rotate, and the spiral stirring blades 41 can push the raw materials to move toward the discharge barrel 2 and flow out from the expansion barrel 21. Heat is added to the heating chamber through the water inlet 15, and the water filled in the heating chamber is heated by the electric heating plate, so that the temperature in the drying chamber 11 is increased, achieving the effect of heating and drying; the dried water is discharged from the air vent 14, and the baffle in the air vent 14 can prevent dust and debris from entering.

[0026] The connecting seat 6 is hoisted by bolts 7, and the connecting seat 6 is connected to the threaded sleeve 53 of the supporting seat 5 through the screw rod 61, so as to support the supporting seat 5. The supporting seat 5 hangs the rotating seat 42 through the supporting block 51 and is stuck in the slot 43. The ball 52 can cooperate with the rotation of the rotating seat 42; the stirring rod 4 is supported to ensure that it is evenly stressed.

[0027] It is worth noting that the entire device is controlled by a main control button. Since the device matched with the control button is a common device and belongs to the existing mature technology, its electrical connection relationship and specific circuit structure will not be described in detail here.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A heater for drying a feeding drum of an injection molding machine, characterized in that: The invention comprises a drying box (1), a discharge cylinder (2), a stirring motor (3) and a stirring rod (4); the drying box (1) is in a strip-shaped structure as a whole, and a drying chamber (11) is arranged in the drying box (1); the cross section of the drying chamber (11) is in a U-shaped structure, one side of the drying box (1) is open, a discharge cylinder (2) is arranged at one end of the drying box (1), and the discharge cylinder (2) and the opening of the drying box (1) are arranged corresponding to each other; the stirring motor (3) is installed at the unopened end of the drying box (1), and the stirring rod (4) is arranged in the drying chamber (11); a stirring blade (41) is arranged on the stirring rod (4), and the stirring rod (4) is connected to the output end of the stirring motor (3); a heating chamber is arranged in the wall of the drying box (1), and an electric heating plate is arranged in the heating chamber; a water inlet (15) and a water outlet (16) are arranged on the side of the drying box (1).

2. A heater for drying a feeding drum of an injection molding machine according to claim 1, characterized in that: The discharge barrel (2) is arranged in an annular structure, and a trumpet-shaped expanding barrel (21) is arranged on the outside of the discharge barrel (2); an air vent (14) is arranged on the upper part of the drying box (1), a baffle is arranged inside the air vent (14), and a plurality of air vents (14) are evenly arranged along the length direction of the drying box (1).

3. A heater for drying a feeding drum of an injection molding machine according to claim 1, characterized in that: A filling port (12) is provided at the upper part of one end of the drying box (1) away from the discharge cylinder (2), and a feeding port (13) is provided at the upper part of the filling port (12).

4. A heater for drying a feeding drum of an injection molding machine according to claim 1, characterized in that: The stirring blade (41) is a spiral blade; a rotating seat (42) is provided at the end of the stirring rod (4); a slot (43) is provided in the rotating seat (42); a connecting seat (6) is suspended at the top of the drying chamber (11); a U-shaped supporting seat (5) is installed at the bottom of the connecting seat (6); the supporting seat (5) is clamped in the slot (43) through a supporting block (51).

5. A heater for drying a feeding drum of an injection molding machine according to claim 4, characterized in that: The support block (51) is configured as a semicircular ring structure as a whole, and the support block (51) is engaged and clamped in the clamping groove (43); and balls (52) are evenly inlaid on the inner wall of the support block (51).

6. A heater for drying a feeding drum of an injection molding machine according to claim 4, characterized in that: The connecting seat (6) is arranged in an L-shaped structure, a connecting hole (63) is arranged at the upper part of the connecting seat (6), and the drying box (1) is connected to the connecting hole (63) through a bolt (7); a screw rod (61) and a guide rod (62) are arranged at the bottom of the connecting seat (6), the guide rods (62) are symmetrically arranged on both sides of the screw rod (61), and the screw rod (61) is installed at the lower part of the connecting seat (6) through a rotating shaft; a screw sleeve (53) and a guide sleeve (54) are arranged at the upper part of the supporting seat (5), the screw rod (61) and the screw sleeve (53) are matched and plugged, and the guide rod (62) and the guide sleeve (54) are correspondingly plugged.

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