Accurate temperature control injection molding device for oven feet of portable gas stove

By designing the mold change mechanism and cooling mechanism, the problem of the inability to replace the mold is solved, the rapid replacement of mold specifications and the improvement of injection molding efficiency are achieved, the production cost is reduced, and the practicality of the device is improved.

CN223211785UActive Publication Date: 2025-08-12DALIAN BAIHAN PRECISE MOLD MFG CO LTD
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Patent Information

Application Number
CN202422351441.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-26
Publication Date
2025-08-12
Estimated Expiration
2034-09-26

AI Technical Summary

Technical Problem

The mold cannot be replaced in the existing cassette furnace foot precision temperature control injection molding device, resulting in increased production costs and low practicality.

Method used

A mold change mechanism is designed to achieve rapid replacement of mold specifications through the cooperation of the lever and the limiting block, and is equipped with a cooling mechanism to accelerate mold forming.

Benefits of technology

It realizes rapid replacement of molds of different specifications, reduces production costs, improves the practicality of the device and injection molding efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of injection molding, and discloses a portable gas stove foot accurate temperature control injection molding device which comprises a workbench and a top plate, the top of the top plate is fixedly connected with a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected with an upper mold, the output end of the hydraulic cylinder is fixedly connected with two spray pipes, and the two spray pipes are fixedly connected with a lower mold. And mounting shells are fixedly connected between the bottom ends of the two spraying pipes, springs are fixedly connected into the two mounting shells, limiting blocks are fixedly connected to the opposite sides of the two springs, and pin rods are fixedly connected to the opposite sides of the two limiting blocks. According to the utility model, the deflector rod is poked to rotate the limiting block so as to slide out of the clamping hole, and the deflector rod is moved towards two sides to extrude the spring to drive the limiting block to move towards the opposite direction to drive the pin rod to be separated from the small hole, so that the die I, the die II or the die III can be detached from the upper die, the effect of replacing the die specification through the die replacing mechanism is realized, and the production cost is reduced; and the practicability of the device is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of massage appliances, in particular to a precise temperature-controlled injection molding device for a cassette stove foot. Background Art

[0002] Precision temperature-controlled injection molding devices are indispensable equipment in the modern plastics processing industry, primarily used to achieve precision manufacturing of plastic products. By precisely controlling the mold temperature, this device ensures the plastic is in an optimal melt state upon injection, thereby improving product quality and production efficiency. Research on precision temperature-controlled injection molding devices focuses on improving temperature control accuracy and stability to meet the processing requirements of different plastic materials and products. A precision temperature-controlled injection molding device for a cassette furnace foot generally includes an injection mechanism, a power mechanism, a cooling mechanism, and other auxiliary mechanisms.

[0003] When performing mold injection molding, it is necessary to select appropriate mold specifications. In the existing technology, the precise temperature control injection molding device for the furnace foot of the cassette furnace mostly uses a fixed structure mold for injection molding operations. The mold cannot be replaced. If molds of different specifications need to be made, injection molding devices of different specifications must be equipped, which increases production costs and reduces the practicality of the device. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a precise temperature control injection molding device for the furnace feet of a cassette furnace, aiming to improve the problems in the existing technology that most precise temperature control injection molding devices for the furnace feet of a cassette furnace use a mold with a fixed structure for injection molding operations, the mold cannot be replaced, resulting in increased production costs and low practicality of the device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a precise temperature control injection molding device for the furnace feet of a cassette furnace, comprising a workbench and a top plate, the four corners of the workbench are fixedly connected to support columns, the top ends of the four support columns are fixedly connected to the bottom of the top plate, the top of the top plate is fixedly connected to a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected to an upper mold, the output end of the hydraulic cylinder is fixedly connected to two nozzles, the bottom ends of the two nozzles are fixedly connected to a mounting shell, the interiors of the two mounting shells are fixedly connected to springs, the opposite sides of the two springs are fixedly connected to limit blocks, the opposite sides of the two limit blocks are fixedly connected to pins, the top of the workbench is fixedly connected to a back plate, and the bottom end of the workbench is provided with a cooling mechanism, which is provided to quickly cool the injection molding mold.

[0006] As a further description of the above technical solution:

[0007] The cooling mechanism includes a water tank, the top of the water tank is fixedly connected to the bottom of the workbench, the outside of the water tank is fixedly connected to a connecting pipe, the inside of the back plate is fixedly connected to a fan, the side of the back plate away from the workbench is fixedly connected to a cold air box, the outside of the cold air box is fixedly connected to a water pump, the bottom of the cold air box is fixedly connected to a mounting bracket, the bottom of the mounting bracket is fixedly connected to heat dissipation fins, the inside of the mounting bracket is fixedly connected to two small fans, and the end of the connecting pipe away from the water tank is fixedly connected to the outside of the two nozzles.

[0008] As a further description of the above technical solution:

[0009] The upper mold is internally slidably connected with mold one, mold two and mold three, and small holes are opened on both sides of the upper mold, mold one, mold two and mold three.

[0010] As a further description of the above technical solution:

[0011] The top of the workbench is fixedly connected with a mounting seat, and the top of the mounting seat is fixedly connected with a lower mold.

[0012] As a further description of the above technical solution:

[0013] Two water tanks are arranged on the top of the workbench.

[0014] As a further description of the above technical solution:

[0015] The bottoms of the four support columns are all covered with anti-slip pads.

[0016] As a further description of the above technical solution:

[0017] The connecting pipe passes through the interior of the water pump, and the connecting pipe passes through the interior of the heat dissipation fins.

[0018] As a further description of the above technical solution:

[0019] The limit block is slidably connected to the inside of the installation shell, the outside of the limit block is fixedly connected with a shift rod, the outside of the installation shell is provided with a plurality of clamping holes, and the shift rod is engaged with the clamping holes.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the utility model, when the mold specification needs to be changed, the lever is toggled to rotate the limit block so that the lever slides out of the clamping hole, and the lever is moved to both sides to squeeze the spring to drive the limit block to move in the opposite direction to drive the pin rod out of the small hole, so that the mold one, mold two or mold three can be removed from the upper mold. After selecting the appropriate mold specification, the lever is toggled back, and the limit block is pushed relatively close under the rebound action of the spring so that the pin rod is re-engaged with the small hole to fix the position of the upper mold, and the hydraulic cylinder is started to perform the mold pressing operation. The effect of changing the mold specification through the mold changing mechanism is achieved, and molds of different specifications can be injected by only one injection molding equipment, which reduces the production cost and improves the practicality of the device.

[0022] 2. In the utility model, the water pump is started to draw clean water from the water tank and dissipate heat through the heat dissipation fins, and the small fan is started to pump part of the cold air into the cold air box, and then the cold air is blown to the mold through the fan to cool it down. The cooled water flowing through the heat dissipation fins enters the nozzle through the connecting pipe and is sprayed to further cool the mold. The sprayed water falls back into the water tank through the water tank to be recycled to avoid waste, thereby achieving the effect of cooling the mold during injection molding through the cooling mechanism, accelerating the molding of the mold, improving the injection molding efficiency, and improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a three-dimensional diagram of the precise temperature-controlled injection molding device for the cassette furnace foot proposed in the utility model;

[0024] Figure 2 This is an exploded view of the upper mold of the precise temperature-controlled injection molding device for the cassette furnace foot proposed in the utility model;

[0025] Figure 3 This is a cross-sectional view of the installation shell of the precise temperature-controlled injection molding device for the furnace feet of a cassette furnace proposed in the present invention;

[0026] Figure 4 This is a schematic diagram of the cooling mechanism of the precise temperature control injection molding device for the furnace legs of a cassette furnace proposed in the present invention.

[0027] Legend:

[0028] 1. Workbench; 2. Top plate; 3. Support column; 4. Hydraulic cylinder; 5. Upper die; 6. Die 1; 7. Die 2; 8. Die 3; 9. Mounting base; 10. Lower die; 11. Nozzle; 12. Mounting shell; 13. Spring; 14. Limit block; 15. Pin rod; 16. Push rod; 17. Clamp hole; 18. Water tank; 19. Back plate; 20. Connecting pipe; 21. Water pump; 22. Heat sink; 23. Mounting bracket; 24. Small fan; 25. Blower; 26. Air cooler; 27. Sink. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] Reference Figure 1 - Figure 2 , The utility model provides an embodiment: a precise temperature control injection molding device for the furnace feet of a cassette furnace, including a workbench 1 and a top plate 2. The workbench 1 plays the role of supporting the upper structure, and the top plate 2 plays the role of capping. The four corners of the workbench 1 are fixedly connected to support columns 3, and the support columns 3 play the role of supporting the overall structure. The top ends of the four support columns 3 are fixedly connected to the bottom of the top plate 2, and the top of the top plate 2 is fixedly connected to a hydraulic cylinder 4. The hydraulic cylinder 4 plays the role of providing power. The output end of the hydraulic cylinder 4 is fixedly connected to an upper mold 5, and the upper mold 5 plays the role of injection molding. The output end of the hydraulic cylinder 4 is fixedly connected to two nozzles 11, and the nozzles 11 play the role of connection and spraying. The bottom ends of the nozzles 11 are fixedly connected with mounting shells 12, which serve to fix the internal structure. The interiors of the two mounting shells 12 are fixedly connected with springs 13, which serve to provide elastic force. The opposite sides of the two springs 13 are fixedly connected with limit blocks 14, which serve to prevent the internal structure from falling off. The opposite sides of the two limit blocks 14 are fixedly connected with pins 15, which serve to clamp and fix. The top of the workbench 1 is fixedly connected with a back plate 19, which serves to connect and fix. The bottom end of the workbench 1 is provided with a cooling mechanism, which is provided to quickly cool the injection molding mold.

[0031] Reference Figure 3 - Figure 4The cooling mechanism includes a water tank 18, which plays the role of storing water. The top of the water tank 18 is fixedly connected to the bottom end of the workbench 1. The outside of the water tank 18 is fixedly connected with a connecting pipe 20, which plays the role of water delivery. The inside of the back plate 19 is fixedly connected with a fan 25, which plays the role of blowing air and heat dissipation. The back plate 19 is fixedly connected to a cold air box 26 on the side away from the workbench 1. The cold air box 26 plays the role of storing cold air. The outside of the cold air box 26 is fixedly connected with a water pump 21, which plays the role of pumping water. The bottom of the cold air box 26 is fixedly connected with a mounting bracket 23, which plays the role of a fixed mounting structure. The bottom of the mounting bracket 23 is fixedly connected with heat dissipation fins 22, which play the role of heat dissipation and cooling. The inside of the mounting bracket 23 is fixedly connected with two small fans 24, which play the role of blowing cold air. One end of the connecting pipe 20 away from the water tank 18 is fixedly connected to the outside of the two nozzles 11. The interior of the upper mold 5 is slidably connected to mold 1 6, mold 2 7 and mold 3 8. Small holes are provided on both sides of the upper mold 5, mold 1 6, mold 2 7 and mold 3 8. The top of the workbench 1 is fixedly connected to a mounting seat 9, which serves to fix the upper structure. The top of the mounting seat 9 is fixedly connected to the lower mold 10, which serves to inject molding. Two water tanks 27 are provided on the top of the workbench 1, which serve to drain water. The connecting pipe 20 passes through the interior of the water pump 21, and the connecting pipe 20 passes through the interior of the heat dissipation fins 22. The bottoms of the four support columns 3 are all provided with anti-slip pads. The limit block 14 is slidably connected to the interior of the mounting shell 12. The outside of the limit block 14 is fixedly connected to a lever 16. The outside of the mounting shell 12 is provided with a number of card holes 17, and the lever 16 is engaged with the card holes 17.

[0032] Working principle: When performing mold injection molding, it is necessary to select appropriate mold specifications. When the mold specifications need to be changed, toggle the lever 16, rotate the limit block 14 to make the lever 16 slide out of the clamping hole 17, move the lever 16 to both sides to squeeze the spring 13, drive the limit block 14 to move in the opposite direction, and drive the pin rod 15 out of the small hole to remove the mold 1 6, mold 2 7 or mold 3 8 from the upper mold 5. After selecting the appropriate mold specifications, dial back the lever 16, and under the rebound action of the spring 13, push the limit block 14 relatively close together so that the pin rod 15 re-engages with the small hole to fix the position of the upper mold 5, and start the hydraulic cylinder 4 to perform the mold pressing operation.

[0033] During the compression molding process, the mold needs to be cooled to ensure rapid molding. The water pump 21 is started to pump clean water from the water tank 18 to dissipate heat through the heat dissipation fins 22. The small fan 24 is started to pump part of the cold air into the cold air box 26, and then the cold air is blown to the mold through the fan 25 to cool it down. The cooled water flowing through the heat dissipation fins 22 enters the nozzle 11 through the connecting pipe 20 and is sprayed to further cool the mold. The sprayed water falls back into the water tank 18 through the water tank 27 to be recycled to avoid waste.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A precise temperature-controlled injection molding device for a cassette furnace foot, comprising a workbench (1) and a top plate (2), characterized in that: The four corners of the workbench (1) are fixedly connected to support columns (3), the top ends of the four support columns (3) are fixedly connected to the bottom of the top plate (2), the top of the top plate (2) is fixedly connected to a hydraulic cylinder (4), the output end of the hydraulic cylinder (4) is fixedly connected to an upper mold (5), the output end of the hydraulic cylinder (4) is fixedly connected to two nozzles (11), the bottom ends of the two nozzles (11) are fixedly connected to a mounting shell (12), the interiors of the two mounting shells (12) are fixedly connected to springs (13), the opposite sides of the two springs (13) are fixedly connected to limit blocks (14), the opposite sides of the two limit blocks (14) are fixedly connected to pins (15), the top of the workbench (1) is fixedly connected to a back plate (19), and the bottom end of the workbench (1) is provided with a cooling mechanism, which is provided for quickly cooling the injection molding mold.

2. The precise temperature-controlled injection molding device for a cassette stove foot according to claim 1, characterized in that: The cooling mechanism comprises a water tank (18), the top end of the water tank (18) is fixedly connected to the bottom end of the workbench (1), the outside of the water tank (18) is fixedly connected to a connecting pipe (20), the inside of the back plate (19) is fixedly connected to a fan (25), the side of the back plate (19) away from the workbench (1) is fixedly connected to a cold air box (26), the outside of the cold air box (26) is fixedly connected to a water pump (21), the bottom of the cold air box (26) is fixedly connected to a mounting frame (23), the bottom of the mounting frame (23) is fixedly connected to a heat dissipation fin (22), the inside of the mounting frame (23) is fixedly connected to two small fans (24), and the end of the connecting pipe (20) away from the water tank (18) is fixedly connected to the outside of the two nozzles (11).

3. The precise temperature-controlled injection molding device for a cassette stove foot according to claim 1, characterized in that: The upper mold (5) is internally slidably connected with mold 1 (6), mold 2 (7) and mold 3 (8), and small holes are provided on both sides of the upper mold (5), mold 1 (6), mold 2 (7) and mold 3 (8).

4. The precise temperature-controlled injection molding device for a cassette furnace foot according to claim 1, characterized in that: The top of the workbench (1) is fixedly connected to a mounting seat (9), and the top of the mounting seat (9) is fixedly connected to a lower mold (10).

5. The precise temperature-controlled injection molding device for a cassette stove foot according to claim 1, characterized in that: Two water tanks (27) are provided on the top of the workbench (1).

6. The precise temperature-controlled injection molding device for a cassette stove foot according to claim 1, characterized in that: The bottoms of the four support columns (3) are all covered with anti-slip pads.

7. The precise temperature-controlled injection molding device for a cassette stove foot according to claim 2, characterized in that: The connecting pipe (20) passes through the interior of the water pump (21), and the connecting pipe (20) passes through the interior of the heat dissipation fins (22).

8. The precise temperature-controlled injection molding device for a cassette stove foot according to claim 1, characterized in that: The limit block (14) is slidably connected to the interior of the mounting shell (12); the exterior of the limit block (14) is fixedly connected to a shifting rod (16); the exterior of the mounting shell (12) is provided with a plurality of clamping holes (17); the shifting rod (16) is engaged with the clamping holes (17).