Heat preservation heater for injection molding machine
By designing an insulation heater for injection molding machines, the problem of temperature reduction of injection molding machines when injection plastic is solved, effective heating and insulation of plastic raw materials is achieved, and the finished product quality of injection molding machines is improved.
Patent Information
- Application Number
- CN202421293670.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-06
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-06-06
AI Technical Summary
During the use of existing injection molding machines, after heating the plastic raw materials, it is easy to cause a temperature reduction when injected into the mold cavity, affecting the quality of the final product.
An insulation heater for an injection molding machine is designed, including a heating insulation device and a heating device. The heating and insulation device is composed of two semicircular structures, and is provided with a rotating shaft, a side connecting plate, a fixing bolt and a heating and insulation chamber. The heating device is located inside the heating insulation chamber, and the heating is achieved by heating the electric coil, and heat loss is reduced through the vacuum chamber and the cylinder.
Through the design of the heating and insulation device, the temperature of the plastic raw material can be effectively maintained, heat loss can be reduced, and the finished product quality of the injection molding machine can be improved.
Smart Images
Figure CN222610356U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of injection molding machines, in particular to a heat preservation heater for injection molding machines. Background Art
[0002] Injection molding machines are the main molding equipment that uses plastic molding molds to make plastic products of various shapes from thermoplastics or thermosetting materials. In the process of using injection molding machines to process various plastics, it is necessary to heat the granular or powdered plastic raw materials in the barrel to a molten state, and then inject the molten plastic raw materials into the closed mold cavity to obtain plastic products after solidification and shaping.
[0003] During use of an existing injection molding machine, after heating the plastic raw material, when it is injected into the mold cavity, it is easy to cause the plastic temperature to drop, thereby solidifying and affecting the final product. Therefore, a thermal insulation heater is provided inside the injection molding machine to heat and insulate the plastic raw material. The plastic raw material is also heated and insulated during pipeline transmission to ensure the quality of the final product. Therefore, an thermal insulation heater for an injection molding machine is proposed. Utility Model Content
[0004] The purpose of the utility model is to provide a heat preservation heater for an injection molding machine 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 thermal insulation heater for an injection molding machine, comprising a heating and heat preservation device and a heating device; the heating and heat preservation device is composed of two semicircular structures, a rotating shaft is provided on the heating and heat preservation device, the rotating shaft connects the two semicircular mechanisms of the heating and heat preservation device, a side connecting plate is respectively provided on the semicircular structure of the heating and heat preservation device, an opening is provided on the side connecting plate, a fixing bolt is provided at the opening, a heating and heat preservation cavity is provided in the heating and heat preservation device, an arc plate is provided in the heating and heat preservation cavity, the heating device is arranged outside the arc plate inside the heating and heat preservation device, and a vacuum cavity is provided outside the heating device.
[0006] Preferably, arc extension plates are provided on both sides of the heating and heat preservation device, and the arc extension plates are connected to both sides of the circular arc plate, so that the arc extension plates can protect the conveying pipeline.
[0007] Preferably, the heating device is in an arc-shaped structure wrapped around the outside of the arc plate, and a heating coil is arranged inside the heating device, and the heating coil is used to heat the inside of the heating and heat preservation cavity.
[0008] Preferably, the arc plate is made of copper material to improve thermal conductivity efficiency.
[0009] Preferably, the heating and heat preservation device is provided with a cylinder, and the cylinder is provided with a connecting air pipe and a telescopic air pipe, the connecting air pipe is connected to the vacuum chamber inside the heating and heat preservation device, and the telescopic air pipe is connected to the other half of the vacuum chamber, and the gas inside the vacuum chamber is extracted through the cylinder to maintain the vacuum inside the vacuum chamber, so that the vacuum chamber reduces heat transfer and thus reduces heat loss.
[0010] Preferably, the fixing bolt is divided into a screw and a nut. The screw is inserted from one side of the opening, and the nut is arranged on the screw that passes through the other side of the opening. The connection between the two side connecting plates is achieved through the fixing bolt, thereby achieving the fixation of the two semicircular structures.
[0011] Preferably, a heat preservation tank is arranged outside the vacuum chamber, and the heat preservation tank is filled with heat insulation material, which plays a role in reducing heat loss.
[0012] Compared with the prior art, the beneficial effects of the utility model are: the two semicircular structures of the heating and heat preservation device are arranged to facilitate the device to be put on the pipeline, the heating and heat preservation device on the pipeline can be fixed by the arranged fixing bolts, the gas inside the vacuum chamber is extracted by the arranged cylinder to achieve a vacuum environment inside the vacuum chamber to isolate heat loss and achieve insulation of the heating and heat preservation chamber, the heating coil is used to heat the inside of the heating and heat preservation chamber, and the addition of insulation material inside the insulation tank further improves the insulation effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0014] Figure 2 It is a side structural schematic diagram of the utility model;
[0015] Figure 3 It is a schematic diagram of the internal structure of the utility model;
[0016] Numbers in the figure: 1. Heating and heat preservation device; 11. Heating and heat preservation chamber; 12. Side connecting plate; 13. Fixing bolt; 14. Rotating shaft; 15. Heat preservation groove; 16. Arc extension plate; 2. Heating device; 21. Heating coil; 3. Vacuum chamber; 31. Cylinder; 32. Connecting air pipe; 33. Telescopic air pipe. DETAILED DESCRIPTION
[0017] 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 of 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.
[0018] 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.
[0019] 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.
[0020] See also Figure 1-3 The utility model provides a technical solution: a heat preservation heater for an injection molding machine, comprising a heating and heat preservation device 1 and a heating device 2; the heating and heat preservation device 1 is composed of two semicircular structures, the heating and heat preservation device 1 is provided with a rotating shaft 14, the rotating shaft 14 connects the two semicircular mechanisms of the heating and heat preservation device 1, and the semicircular structures of the heating and heat preservation device 1 are respectively provided with a side connecting plate 12, the side connecting plate 12 is provided with an opening, and a fixing bolt 13 is provided at the opening, a heating and heat preservation cavity 11 is provided in the heating and heat preservation device 1, and an arc plate is provided in the heating and heat preservation cavity 11, the heating device 2 is arranged outside the arc plate inside the heating and heat preservation device 1, and a vacuum cavity 3 is provided outside the heating device 2.
[0021] Furthermore, arc extension plates 16 are provided on both sides of the heating and heat preservation device 1 , and the arc extension plates 16 are connected to both sides of the circular arc plate, so that the arc extension plates 16 can protect the conveying pipeline.
[0022] Furthermore, the heating device 2 is an arc-shaped structure wrapped around the outside of the arc plate, and a heating coil 21 is arranged inside the heating device 2, and the heating coil 21 is used to heat the inside of the heating and heat preservation cavity 11.
[0023] Furthermore, the arc plate is made of copper material to improve heat conduction efficiency.
[0024] Furthermore, the heating and heat preservation device 1 is provided with a cylinder 31, and the cylinder 31 is provided with a connecting air pipe 32 and a telescopic air pipe 33. The connecting air pipe 32 is connected to the vacuum chamber 3 inside the heating and heat preservation device 1, and the telescopic air pipe 33 is connected to the other half of the vacuum chamber 3. The gas inside the vacuum chamber 3 is extracted through the cylinder 31 to maintain the vacuum inside the vacuum chamber 3. The vacuum chamber 3 reduces heat transfer and thus reduces heat loss.
[0025] Furthermore, the fixing bolt 13 is divided into a screw and a nut. The screw is inserted from one side of the opening, and the nut is set on the screw that passes through the other side of the opening. The connection between the two side connecting plates 12 is achieved through the fixing bolt 13, thereby fixing the two semicircular structures.
[0026] Furthermore, a heat preservation tank 15 is arranged outside the vacuum chamber 3, and the heat preservation tank 15 is filled with heat insulation material, which plays a role in reducing heat loss.
[0027] Working principle: Place the heating and heat preservation device 1 on the injection molding machine pipeline, fix the two side connecting plates 12 by fixing bolts 13 to fix the heating and heat preservation device 1, extract the internal gas of the vacuum chamber 3 by the set cylinder 31 to realize the vacuum inside the vacuum chamber 3, and heat the heating device 2 by the set heating coil 21, so as to heat the inside of the heating and heat preservation chamber 11 and thus heat the injection molding machine pipeline, and further enhance the insulation effect by the set insulation tank 15.
[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 heat preservation heater for an injection molding machine, characterized in that: The invention comprises a heating and heat preservation device (1) and a heating device (2); the heating and heat preservation device (1) is composed of two semicircular structures, the heating and heat preservation device (1) is provided with a rotating shaft (14), the rotating shaft (14) connects the two semicircular structures of the heating and heat preservation device (1), the semicircular structures of the heating and heat preservation device (1) are respectively provided with a side connecting plate (12), the side connecting plate (12) is provided with an opening, and a fixing bolt (13) is provided at the opening; a heating and heat preservation cavity (11) is provided in the heating and heat preservation device (1), an arc plate is provided in the heating and heat preservation cavity (11), the heating device (2) is arranged outside the arc plate inside the heating and heat preservation device (1), and a vacuum cavity (3) is provided outside the heating device (2).
2. The heat preservation heater for an injection molding machine according to claim 1, characterized in that: Arc extension plates (16) are arranged on both sides of the heating and heat preservation device (1), and the arc extension plates (16) are connected to both sides of the circular arc plate.
3. The heat preservation heater for an injection molding machine according to claim 1, characterized in that: The heating device (2) is in the form of an arc-shaped structure wrapped around the outside of the arc plate, and a heating coil (21) is arranged inside the heating device (2).
4. The heat preservation heater for an injection molding machine according to claim 1, characterized in that: The arc plate is made of copper material.
5. The heat preservation heater for an injection molding machine according to claim 1, characterized in that: The heating and heat preservation device (1) is provided with a cylinder (31), and the cylinder (31) is provided with a connecting air pipe (32) and a telescopic air pipe (33), the connecting air pipe (32) is connected to the vacuum chamber (3) inside the heating and heat preservation device (1), and the telescopic air pipe (33) is connected to the other half of the vacuum chamber (3).
6. The heat preservation heater for an injection molding machine according to claim 1, characterized in that: The fixing bolt (13) is divided into a screw rod and a nut. The screw rod is inserted from one side of the opening, and the nut is arranged on the screw rod which is inserted from the other side of the opening.
7. The heat preservation heater for an injection molding machine according to claim 1, characterized in that: A heat preservation tank (15) is arranged outside the vacuum chamber (3), and the interior of the heat preservation tank (15) is filled with heat insulation material.