Injection molding energy-saving heating device
By using heating resistor wire in the injection molding machine to heat the plastic and using the glass wool layer and the insulation cavity of the insulation shell to prevent heat leakage, the problem of heat leakage and insufficient insulation capacity of the existing injection molding machine heating device is solved, and the problem of heat leakage and insulation capacity of the existing injection molding machine heating device is realized. More efficient energy utilization.
Patent Information
- Application Number
- CN202420255679.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-02
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-02-02
AI Technical Summary
The heat of the existing injection molding machine heating devices is prone to leakage and have poor insulation capacity, resulting in waste of energy.
The plastic melt is heated by a heating resistive wire in the heating cylinder, and heat loss is prevented through the glass wool layer and the insulation cavity of the insulation shell, and combined with the removable fixed component structure to ensure that heat does not leak.
It effectively reduces energy waste, improves the insulation capacity of the heating device, ensures that heat is circulated in the system, and saves energy.
Smart Images
Figure CN222135862U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of injection molding heating, in particular to an injection molding energy-saving heating device. Background Art
[0002] Injection molding machine is a kind of equipment specially used for manufacturing plastic products. Its working principle is to inject heated and molten plastic into the mold through a syringe and cool it under high pressure to form it. Injection molding machine can be widely used in various industries, such as automobiles, electronics, home appliances, toys, etc.
[0003] The Chinese patent provides a heating and energy-saving device for an injection molding machine (CN202022884421.9), including a casing, which is a cavity structure, a feed port is provided on the casing, and a discharge port is provided at one end of the casing, a feed funnel is fixed on the feed port by screws, a heating layer is installed inside the casing, and a screw is rotatably installed inside the casing, a surface cam is provided on the outer sleeve of the screw, and a symmetrically arranged sliding rod is provided inside the casing for sliding, and a plurality of sliding rods distributed in an array are movably hinged on the sliding rod, and through the arrangement of structures such as the surface cam, the sliding rod, the rotating plate, and the sliding rod, when the internal screw rotates to stir and convey the material, the sliding rod can be driven to slide back and forth at the same time, so that the internal multiple rotating plates rotate back and forth, so that the internal material flows faster, and it can ensure that all materials can be heated, save energy consumption, and have high heating efficiency.
[0004] The above scheme can accelerate the flow of the internal plastic melt, ensure that all the plastic melt can be heated, and save energy consumption. However, the heat generated by the device is easy to leak out and the thermal insulation ability is poor, which in turn causes energy waste. Therefore, an injection molding energy-saving heating device is provided to solve the above shortcomings. Utility Model Content
[0005] In order to solve the above technical problems, an injection molding energy-saving heating device is provided. This technical solution solves the problem that the heat generated by the existing device proposed in the above background technology is easy to leak out and has poor thermal insulation ability, thereby causing energy waste.
[0006] To achieve the above objectives, the technical solution adopted by the utility model is: an injection molding energy-saving heating device, comprising an injection molding cylinder and a fixing assembly, the top of the injection molding cylinder is provided with a feed port, the fixing assembly comprises a first connecting block and a second connecting block, the first connecting block and the second connecting block are fitted with each other, a groove is provided on a side of the first connecting block close to the second connecting block, the interior of the groove is transmission-connected to a hook buckle plate through a connecting shaft, a rectangular groove is provided on a side of the hook buckle plate away from the groove, a through groove is provided on the surface of the second connecting block, sliding grooves are provided on the upper and lower sides of the interior of the through groove, a sliding column is slidably connected to the interior of the sliding groove, a paddle is fixedly connected to the top of the sliding column, a limiting block is fixedly connected to the upper surface of the sliding column, and a knob is rotatably connected to the lower surface of the sliding column.
[0007] Optionally, a discharge port is provided at the bottom of the injection molding cylinder, a switch valve is provided inside the discharge port, a heating cylinder is provided on the outer surface of the injection molding cylinder, a heating resistance wire is provided inside the heating cylinder, and the heating resistance wire is electrically connected to an external power supply.
[0008] Optionally, both sides of the outer surface of the heating cylinder are sleeved with a heat-insulating shell, the two heat-insulating shells are abutted against each other, and the inner wall of the heat-insulating shell is provided with a glass wool layer.
[0009] Optionally, the glass wool layer is in contact with the surface of the heating tube, a heat-insulating cavity is provided inside the heat-insulating shell, and the fixing components are arranged on the front and rear sides of the heat-insulating shell.
[0010] Optionally, the axes of the knob and the limiting block are staggered, the knob is plugged into the inside of the rectangular groove, and a limiting groove is provided at an upper position on the surface of the second connecting block.
[0011] Optionally, the limiting groove is communicated with the interior of the sliding groove, and the interior of the limiting groove is slidably connected to the limiting block.
[0012] Optionally, a fixing block is welded on the surface of the second connecting block and located on the right side of the limiting groove, and a spring is provided between the fixing block and the limiting block.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] The present invention heats the molten plastic inside the injection molding cylinder by means of a heating resistor wire in the heating cylinder, and then insulates the heat generated by the heating cylinder by means of a glass wool layer and an insulation shell to prevent rapid heat loss, thereby reducing energy waste, and isolating the heat by means of an insulation cavity in the insulation shell to further prevent heat leakage, thereby improving the insulation capacity of the device; the staff flips the hook buckle plate so that it is located inside the through groove, and then moves the paddle to engage the sliding column with the hook buckle plate, and then rotates the knob to abut against the surface of the hook buckle plate under the action of the spring, and limits the position of the sliding column, thereby splicing the first connecting block and the second connecting block together, and then fixing the two insulation shells together. The structure is easy to operate, and is convenient for disassembling and assembling the insulation shell and replacing the internal glass wool layer. At this time, the heating cylinder is completely wrapped, thereby effectively preventing heat leakage and achieving energy-saving effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a cross-sectional view of the utility model;
[0016] Figure 2 It is a three-dimensional structural schematic diagram of the utility model;
[0017] Figure 3 It is an exploded view of the utility model;
[0018] Figure 4 for Figure 2 A schematic diagram of the local enlarged structure at point A in the middle;
[0019] Figure 5 for Figure 3 A schematic diagram of the local enlarged structure at B in the middle;
[0020] Figure 6 It is a three-dimensional structural schematic diagram of the sliding column in the utility model.
[0021] Description of reference numerals:
[0022] 1. Injection molding cylinder; 11. Feed port; 12. Discharge port; 2. Heating cylinder; 21. Heating resistance wire; 3. Insulation shell; 31. Glass wool layer; 32. Insulation cavity;
[0023] 4. Fixing assembly; 41. First connecting block; 42. Second connecting block; 43. Groove; 44. Hook plate; 45. Rectangular groove; 46. Through groove; 47. Slide groove; 48. Slide post; 49. Paddle; 410. Limit block; 411. Knob; 412. Limit groove; 413. Fixing block; 414. Spring. DETAILED DESCRIPTION
[0024] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.
[0025] Reference Figure 1 As shown, an injection molding energy-saving heating device includes an injection molding cylinder 1 and a fixing assembly 4, a feeding port 11 is provided at the top of the injection molding cylinder 1, a discharging port 12 is provided at the bottom of the injection molding cylinder 1, a switch valve is provided inside the discharging port 12, a heating cylinder 2 is provided on the outer surface of the injection molding cylinder 1, a heating resistance wire 21 is provided inside the heating cylinder 2, and the heating resistance wire 21 is electrically connected to an external power supply, and both sides of the outer surface of the heating cylinder 2 are sleeved with a heat-insulating shell 3, the two heat-insulating shells 3 are abutted against each other, and the inner side wall of the heat-insulating shell 3 is provided with a glass wool layer 31, and the glass wool layer 31 The heat-insulating shell 3 is fitted with the surface of the heating cylinder 2, and an insulating cavity 32 is opened inside the heat-insulating shell 3, which is connected to the power supply of the heating resistor 21. The heating resistor 21 starts to generate heat, and the plastic melt inside the injection cylinder 1 is heated by the heating resistor 21 in the heating cylinder 2. Then, the heat generated by the heating cylinder 2 is insulated by the glass wool layer 31 and the heat-insulating shell 3 to prevent rapid heat loss, thereby reducing energy waste. The heat is isolated by the insulating cavity 32 in the heat-insulating shell 3 to further prevent heat leakage, thereby improving the heat preservation capacity of the device.
[0026] Further, such as Figure 2-6As shown, the fixing components 4 are arranged on the front and rear sides of the heat-insulating shell 3, and the fixing components 4 include a first connecting block 41 and a second connecting block 42. The first connecting block 41 and the second connecting block 42 are fitted with each other. A groove 43 is provided on the side of the first connecting block 41 close to the second connecting block 42, and the interior of the groove 43 is transmission-connected with a hook buckle plate 44 through a connecting shaft. A rectangular groove 45 is provided on the side of the hook buckle plate 44 away from the groove 43. A through groove 46 is provided on the surface of the second connecting block 42, and a slide groove 47 is provided on the upper and lower sides of the through groove 46. A slide column 48 is slidably connected to the inside of the slide groove 47, and a paddle 49 is fixedly connected to the top of the slide column 48. A limit block 410 is fixedly connected to the upper position of the surface of the slide column 48, and a knob 411 is rotatably connected to the lower position of the surface of the slide column 48. The axis of the knob 411 and the limit block 410 are staggered, and the knob 411 is plugged into the inside of the rectangular groove 45. A limit groove 412 is provided on the upper position of the surface of the second connecting block 42. The limit groove 4 The locking cam 412 is engaged with the locking cam 413 by the spring 414, and the locking cam 413 is engaged with the locking cam 414 by the spring 414.
[0027] The working principle of the present invention is as follows: first, the glass wool layer 31 is wrapped around the outer surface of the heating tube 2, and then the two insulation shells 3 are sleeved on the outside of the glass wool layer 31, and then the staff flips the hook buckle plate 44 to the inside of the through groove 46, and then the paddle 49 is turned to drive the slide post 48 to slide along the inside of the slide groove 47 so that it is buckled with the hook buckle plate 44. At this time, the knob 411 vertically passes through the rectangular groove 45, and then the knob 411 is rotated. Under the action of the spring 414, the knob 411 is abutted against the surface of the hook buckle plate 44, and the slide post 48 is limited and fixed, so that the first connecting block 41 and the second connecting block 42 are spliced together, and then the two insulation shells 3 are fixed together. At this time, the heating tube 2 is completely wrapped, and the plastic melt inside the injection molding tube 1 is heated by the heating resistance wire 21 in the heating tube 2, and then the heat generated by the heating tube 2 is insulated by the glass wool layer 31 and the insulation shell 3 to prevent the heat from being lost quickly, thereby reducing energy waste.
[0028] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. An injection molding energy-saving heating device, Features: The invention comprises an injection molding cylinder (1) and a fixing assembly (4), wherein a feed port (11) is provided at the top of the injection molding cylinder (1), and the fixing assembly (4) comprises a first connecting block (41) and a second connecting block (42), wherein the first connecting block (41) and the second connecting block (42) are fitted with each other, and a groove (43) is provided on a side of the first connecting block (41) close to the second connecting block (42), and the interior of the groove (43) is transmission-connected to a hook buckle plate (44) via a connecting shaft, and the hook buckle plate (44) is away from the hook buckle plate (44). A rectangular groove (45) is provided on one side of the groove (43); a through groove (46) is provided on the surface of the second connecting block (42); a slide groove (47) is provided on both upper and lower sides of the through groove (46); a slide column (48) is slidably connected to the inside of the slide groove (47); a paddle (49) is fixedly connected to the top of the slide column (48); a limit block (410) is fixedly connected to the upper position of the surface of the slide column (48); and a knob (411) is rotatably connected to the lower position of the surface of the slide column (48).
2. An injection molding energy-saving heating device according to claim 1, Features: The bottom of the injection molding cylinder (1) is provided with a discharge port (12), the interior of the discharge port (12) is provided with a switch valve, the outer surface of the injection molding cylinder (1) is provided with a heating cylinder (2), the interior of the heating cylinder (2) is provided with a heating resistance wire (21), and the heating resistance wire (21) is electrically connected to an external power supply.
3. An injection molding energy-saving heating device according to claim 2, Features: Both sides of the outer surface of the heating cylinder (2) are sleeved with a heat-insulating shell (3), the two heat-insulating shells (3) are in contact with each other, and the inner side wall of the heat-insulating shell (3) is provided with a glass wool layer (31).
4. An energy-saving heating device for injection molding according to claim 3, Features: The glass wool layer (31) is in contact with the surface of the heating tube (2), a heat-insulating cavity (32) is provided inside the heat-insulating shell (3), and the fixing components (4) are arranged on the front and rear sides of the heat-insulating shell (3).
5. The energy-saving heating device for injection molding according to claim 1, Features: The axes of the knob (411) and the limiting block (410) are arranged in an interlaced manner, the knob (411) is plugged into the inside of the rectangular groove (45), and a limiting groove (412) is provided at an upper position on the surface of the second connecting block (42).
6. An energy-saving heating device for injection molding according to claim 5, Features: The limiting groove (412) is communicated with the interior of the sliding groove (47), and the interior of the limiting groove (412) is slidably connected with the limiting block (410).
7. The energy-saving heating device for injection molding according to claim 1, Features: A fixing block (413) is welded on the surface of the second connecting block (42) and located on the right side of the limiting groove (412), and a spring (414) is provided between the fixing block (413) and the limiting block (410).