Side pulling structure of refrigerator injection mold

Abstract

The invention discloses a side pulling structure of a refrigerator injection mold, and relates to the technical field of injection molds. According to the refrigerator injection mold side pulling structure, through cooperation of the conveying frame and the transmission frame, bottom molds can be conveyed to the position below top molds in sequence during operation, then injection molding and demolding operation is completed in sequence, the operation efficiency of equipment is effectively improved, and through cooperation of the cooling frame, the production efficiency is improved. After injection molding is completed, workpieces can enter the cooling notch through the cooling frame, cooling treatment of the workpieces is completed in time, the workpieces can reset in time after being formed, injection molding of raw materials is prevented from being affected, energy is saved, and meanwhile the forming efficiency of equipment is further improved.

Description

Technical Field

[0001] The present invention relates to the technical field of injection molds, and specifically to a side-drawing structure of a refrigerator injection mold. Background Art

[0002] An injection mold is a tool for producing plastic products; it is also a tool for endowing plastic products with a complete structure and precise dimensions. The door frames, door handles, control panels, knob switches, decorative strips, and door seals on refrigerators all need to be formed into finished products through injection molding; referring to the Chinese patent with the publication number: "CN110480920A", "A Side-Drawing Structure of a Refrigerator Injection Mold", this patent points out that there are some drawbacks in the existing injection molds. Firstly, when the workpiece liquid is poured into the mold, the mold cannot be completely filled in a fitting manner, and certain gaps will be generated; moreover, during use, the cooling cycle of the workpiece is relatively long, and it is not convenient to take out the workpiece when it exactly fits the mold groove; however, this device still has low molding efficiency and the cooling affects the conveying of raw materials, resulting in an increase in the energy consumption of the device. For this reason, we propose a side-drawing structure of a refrigerator injection mold to solve the above problems. Summary of the Invention

[0003] In view of the deficiencies of the prior art, the present invention provides a side-drawing structure of a refrigerator injection mold, which solves the problems raised in the above background art.

[0004] To achieve the above objectives, the present invention is realized through the following technical solutions: A side-drawing structure of a refrigerator injection mold, including a machine body, characterized in that: a conveying frame is fixedly installed inside the machine body, and a conveyor belt is rotatably connected inside the conveying frame for conveying the bottom mold; A transmission frame is slidably installed up and down inside the machine body, and a top mold is fixedly installed inside the transmission frame. The top mold is used to move down with the transmission frame to contact the bottom mold to realize the mold closing operation; A material feeding box is fixedly installed on the outside of the machine body, and a feeding pipe is connected between the material feeding box and the top mold for conveying raw materials between the combined top mold and bottom mold; A pressing plate is slidably connected inside the machine body. A plurality of limiting sleeve rods are fixedly installed at the bottom of the pressing plate, and inner sliding rods are slidably sleeved inside the limiting sleeve rods. The inner sliding rods are fixedly installed on the top of the transmission frame, and support springs are fixedly installed between the ends of the inner sliding rods and the inside of the limiting sleeve rods. A driving cylinder body is fixedly installed on the top of the machine body for driving the pressing plate, the plurality of limiting sleeve rods, and the transmission frame to move downwards to close the top mold and the bottom mold; A cooling notch is opened at the top of the transmission frame. A rectangular heat insulation plate frame is fixedly installed at the top of the top mold, and a cooling frame is slidably connected to the outside of the rectangular heat insulation plate frame. A plurality of cooling coils are fixed inside the cooling frame for moving downwards with the cooling frame into the cooling notch to cool the formed workpiece.

[0005] Preferably, positioning plate frames are fixedly installed at the ends of multiple said limiting sleeve rods, and the positioning plate frames are fixedly installed on the top of the cooling frame. When the limiting sleeve rods continuously move downward, the inner sliding rods can enter the inside of the limiting sleeve rods to compress the supporting springs, and the limiting sleeve rods can drive the cooling frame to move downward through the positioning plate frames until the cooling frame enters the inside of the cooling notch.

[0006] Preferably, a feeding pump is fixedly installed on the top of the material feeding box, and the feeding pump is communicated with the end of the feeding pipe, which is used to extract the raw materials inside the material feeding box and then conduct the conveying operation through the feeding pipe.

[0007] Preferably, an adapter elbow is fixedly installed inside the feeding pipe.

[0008] Preferably, a demoulding device is fixedly installed on the top surface of the top mould, and the demoulding device is communicated with the top mould through a conduit, which is used to fill gas into the top mould after the workpiece is formed to separate the workpiece from the top mould.

[0009] Preferably, a plurality of through holes are symmetrically arranged inside the conveyor belt, and a filtering component is arranged at the inner bottom of the machine body, which is used to filter the harmful gases generated during the workpiece processing.

[0010] Preferably, a plurality of supporting rollers are rotatably connected inside the conveyor belt, and the installation positions of the supporting rollers are directly below the top mould, which is used to support the bottom mould during the mould closing process.

[0011] Preferably, the filtering component includes a filtering frame, the filtering frame is fixedly installed at the bottom of the conveying frame, a negative pressure device is fixedly installed at the bottom of the filtering frame, and the negative pressure device is communicated with the filtering frame, which is used to extract the gases generated during the operation.

[0012] Preferably, a filtering module is fixedly installed inside the filtering frame.

[0013] Preferably, a concave-shaped frame is fixedly installed on the top of the conveying frame, a spraying device is fixedly installed inside the concave-shaped frame, and a plurality of atomizing nozzles are fixedly installed at the bottom of the spraying device, which is used to spray the demoulding agent into the bottom mould being conveyed.

[0014] The present invention provides a side core-pulling structure of a refrigerator injection mould. Compared with the prior art, it has the following beneficial effects: (1)The side-drawing structure of the injection mold for the refrigerator can, through the cooperation of the conveying rack and the transmission rack, sequentially convey the bottom mold below the top mold during operation, and then sequentially complete the injection molding and demolding operations, effectively improving the operation efficiency of the equipment. And through the cooperation of the cooling rack, it can enter the cooling tank through the cooling rack after injection molding to complete the cooling treatment of the workpiece in a timely manner, and can be reset in a timely manner when the workpiece is formed to avoid affecting the injection of raw materials, further improving the forming efficiency of the equipment while saving energy.

[0015] (2)The side-drawing structure of the injection mold for the refrigerator, through the setting of the filtration rack, when the equipment is in the process of injection molding, through the operation of the negative pressure device, it can extract the harmful gases generated during the injection process, and then filter and discharge them through the filtration module, further ensuring the working environment. At the same time, through the setting of the spraying device, when the equipment runs to convey the bottom mold, it can evenly spray the release agent into the bottom mold through the atomizing nozzle, which is convenient for the subsequent demolding of the formed workpiece and further improves the operation convenience of the equipment. Brief Description of the Drawings

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the sectional structure of the body of the present invention; Figure 3 For the present invention Figure 2 Front view structure schematic diagram; Figure 4 For the present invention Figure 3 Enlarged structure schematic diagram at A in the present invention; Figure 5 It is a schematic diagram of the sectional structure of the conveying rack of the present invention; Figure 6 It is a schematic diagram of the structure of the transmission rack and the top mold of the present invention; Figure 7 For the present invention Figure 6 Sectional structure schematic diagram; Figure 8 It is a schematic diagram of the sectional structure of the limit sleeve rod of the present invention.

[0017] In the figure: 1. Machine body; 2. Conveyor frame; 201. Conveyor belt; 2011. Through hole; 202. Support roller; 3. Bottom mold; 4. Concave frame; 5. Spraying device; 501. Atomizing nozzle; 6. Driving cylinder block; 7. Feeding box; 701. Feeding pump; 8. Filter frame; 801. Negative pressure device; 802. Filter module; 9. Transmission frame; 901. Cooling notch; 10. Top mold; 11. Limit sleeve rod; 1101. Inner sliding rod; 1102. Support spring; 1103. Positioning plate frame; 12. Pressing plate; 13. Rectangular heat insulation plate frame; 14. Cooling frame; 1401. Cooling coil; 15. Demolding device; 16. Feeding pipe; 1601. Connecting elbow pipe. Detailed implementation manners

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0019] Please refer to Figures 1-8 , the present invention provides two technical solutions, specifically including the following embodiments: Embodiment 1: In the embodiment of the present invention, a side-drawing structure of a refrigerator injection mold includes a machine body 1, a conveyor frame 2 is fixedly installed inside the machine body 1, and a conveyor belt 201 is rotatably connected inside the conveyor frame 2 for conveying the bottom mold 3; A transmission frame 9 is slidably installed up and down inside the machine body 1, and a top mold 10 is fixedly installed inside the transmission frame 9. The top mold 10 is used to move down with the transmission frame 9 to contact the bottom mold 3 to complete the mold closing operation; The conveyor belt 201 is driven by a separate motor and is used to drive the bottom mold 3 above the conveyor belt 201 to move horizontally; A feeding box 7 is fixedly installed on the outside of the machine body 1, and a feeding pipe 16 is connected between the feeding box 7 and the top mold 10 for conveying raw materials between the combined top mold 10 and bottom mold 3; A heating module is provided inside the feeding box 7 for heating the raw materials. During operation, as the transmission frame 9 moves down to make the top mold 10 complete the mold closing with the corresponding bottom mold 3, and then the raw materials are conveyed between the top mold 10 and the bottom mold 3 through the feeding pipe 16 to complete the injection molding operation; Specifically, a pressing plate 12 is slidably connected inside the machine body 1. A plurality of limiting sleeve rods 11 are fixedly installed at the bottom of the pressing plate 12, and inner sliding rods 1101 are slidably sleeved inside the limiting sleeve rods 11. The inner sliding rods 1101 are fixedly installed at the top of the transmission frame 9, and support springs 1102 are fixedly installed between the ends of the inner sliding rods 1101 and the interiors of the limiting sleeve rods 11. A driving cylinder block 6 is fixedly installed at the top of the machine body 1, which is used to drive the pressing plate 12, a plurality of limiting sleeve rods 11 and the transmission frame 9 to move downward, so that the top die 10 and the bottom die 3 are closed; When the corresponding bottom die 3 moves to directly below the top die 10, by moving the pressing plate 12 downward, it can drive a plurality of limiting sleeve rods 11 to move downward at the same time, and through the cooperation of the inner sliding rods 1101, drive the transmission frame 9 and the top die 10 to move downward, so that the top die 10 and the bottom die 3 are closed; A cooling notch 901 is formed at the top of the transmission frame 9. A rectangular heat insulation plate frame 13 is fixedly installed at the top of the top die 10, and a cooling frame 14 is slidably connected to the outside of the rectangular heat insulation plate frame 13. A plurality of cooling coiled pipes 1401 are fixed inside the cooling frame 14, which are used to move down into the cooling notch 901 along with the cooling frame 14 to cool the formed workpiece; After the top die 10 and the bottom die 3 are closed, as the raw material is injected between the top die 10 and the bottom die 3, and then by continuously moving the pressing plate 12 downward, it can drive a plurality of limiting sleeve rods 11 to move downward, so that the inner sliding rods 1101 retract into the corresponding limiting sleeve rods 11, and the support springs 1102 are compressed. At this time, through the cooperation of the positioning plate frame 1103, a downward pressure can be applied to the cooling frame 14, so that the cooling frame can slide downward along the rectangular heat insulation plate frame 13 until it separates from the rectangular heat insulation plate frame 13. At this time, the cooling frame 14 enters the cooling notch 901, and a plurality of cooling coiled pipes 1401 are located outside the top die 10, realizing the cooling and forming operation of the top die 10 and the internal workpiece. Compared with the traditional cooling method, it can further improve the cooling effect and cooling efficiency, and at the same time can also avoid affecting the forming of the workpiece; Specifically, the cooling coiled pipe 1401 is an existing device, with circulating coolant inside, and is driven by an existing pump for the circulation of the coolant. The pump is not shown in the figure and will not be elaborated here; Positioning plate frames 1103 are fixedly installed at the ends of a plurality of limiting sleeve rods 11. The positioning plate frames 1103 are fixedly installed at the top of the cooling frame 14, which is used to make the inner sliding rod 1101 enter the limiting sleeve rod 11 to compress the support spring 1102 when the limiting sleeve rod 11 continues to move downward. The limiting sleeve rod 11 can drive the cooling frame 14 to move downward through the positioning plate frame 1103 until the cooling frame 14 enters the cooling notch 901; Compared with the traditional cooling method, after the cooling rack 14 moves down into the cooling tank opening 901, the cooling coil 1401 will be located outside the top mold 10 to achieve the cooling process. When the cooling is completed, the cooling rack 14 can be driven to reset by the upward movement of the limit sleeve rod 11, so that the cooling coil 1401 can be blocked in time by the rectangular heat insulation plate rack 13, thereby ensuring the cooling effect and cooling efficiency, and not affecting the injection of raw materials and the forming operation of workpieces; Specifically, a feeding pump 701 is fixedly installed on the top of the feeding box 7. The feeding pump 701 is communicated with the end of the feeding pipe 16 to extract the raw materials inside the feeding box 7 and then conduct the conveying operation through the feeding pipe 16; An adapter elbow 1601 is fixedly installed inside the feeding pipe 16. The adapter elbow 1601 is used to enable the feeding pipe 16 to adjust the angle to avoid affecting the mold closing operation of the top mold 10; A heating module is installed outside the adapter elbow 1601. The heating module is not shown in the figure and is used to heat the conveyed raw materials; Specifically, a demolding device 15 is fixedly installed on the top surface of the top mold 10. The demolding device 15 is communicated with the top mold 10 through a conduit and is used to fill the inside of the top mold 10 with gas when the workpiece is formed, so that the workpiece is separated from the top mold 10; When the workpiece is formed, by operating the demolding device 15, gas can be filled into the inside of the top mold 10 through the conduit, so that the workpiece can automatically complete the separation operation from the top mold 10, further improving the operation efficiency of the equipment; Specifically, the demolding device 15 is an existing air pump device and will not be elaborated here.

[0020] Embodiment 2: Based on Embodiment 1, a side core-pulling structure of a refrigerator injection mold includes a machine body 1. A conveying rack 2 is fixedly installed inside the machine body 1. A conveyor belt 201 is rotatably connected inside the conveying rack 2 and is used to convey the bottom mold 3; A transmission rack 9 is slidably installed up and down inside the machine body 1. A top mold 10 is fixedly installed inside the transmission rack 9. The top mold 10 is used to contact the bottom mold 3 as the transmission rack 9 moves down to achieve the mold closing operation; The conveyor belt 201 is driven by a separate motor and is used to drive the bottom mold 3 above the conveyor belt 201 to move horizontally; A feeding box 7 is fixedly installed outside the machine body 1. A feeding pipe 16 is connected between the feeding box 7 and the top mold 10 and is used to convey raw materials between the combined top mold 10 and bottom mold 3; Inside the material feeding box 7, there is a heating module for heating the raw materials. During operation, as the transmission frame 9 moves downward, the top mold 10 and the corresponding bottom mold 3 are closed. Then, the raw materials are conveyed between the top mold 10 and the bottom mold 3 through the feeding pipe 16 to complete the injection molding operation; Specifically, a pressing plate 12 is slidably connected inside the machine body 1. A plurality of limiting sleeve rods 11 are fixedly installed at the bottom of the pressing plate 12. Inner sliding rods 1101 are slidably sleeved inside the limiting sleeve rods 11. The inner sliding rods 1101 are fixedly installed at the top of the transmission frame 9. A support spring 1102 is fixedly installed between the end of the inner sliding rod 1101 and the inside of the limiting sleeve rod 11. A driving cylinder block 6 is fixedly installed at the top of the machine body 1 for driving the pressing plate 12, a plurality of limiting sleeve rods 11 and the transmission frame 9 to move downward to close the top mold 10 and the bottom mold 3; When the corresponding bottom mold 3 moves to directly below the top mold 10, by moving the pressing plate 12 downward, it can drive a plurality of limiting sleeve rods 11 to move downward at the same time. Through the cooperation of the inner sliding rods 1101, it drives the transmission frame 9 and the top mold 10 to move downward to close the top mold 10 and the bottom mold 3; A cooling notch 901 is formed at the top of the transmission frame 9. A rectangular heat insulation plate frame 13 is fixedly installed at the top of the top mold 10. A cooling frame 14 is slidably connected to the outside of the rectangular heat insulation plate frame 13. A plurality of cooling coil pipes 1401 are fixed inside the cooling frame 14 for moving the cooling frame 14 downward into the cooling notch 901 to cool the formed workpiece; After the top mold 10 and the bottom mold 3 are closed, as the raw materials are injected between the top mold 10 and the bottom mold 3, and then the pressing plate 12 continues to move downward, it can drive a plurality of limiting sleeve rods 11 to move downward, causing the inner sliding rods 1101 to retract into the corresponding limiting sleeve rods 11 and squeezing the support spring 1102. At this time, through the cooperation of the positioning plate frame 1103, a downward pressure can be applied to the cooling frame 14, enabling the cooling frame to slide downward along the rectangular heat insulation plate frame 13 until it separates from the rectangular heat insulation plate frame 13. At this time, the cooling frame 14 enters the cooling notch 901, and the plurality of cooling coil pipes 1401 are located outside the top mold 10 to realize the cooling and forming operation of the top mold 10 and the internal workpiece. Compared with the traditional cooling method, it can further improve the cooling effect and cooling efficiency, and at the same time avoid affecting the forming of the workpiece; Specifically, the cooling coil pipe 1401 is an existing device with circulating coolant inside. It is driven by an existing pump (the pump is not shown in the figure and will not be elaborated here); Positioning plate frames 1103 are fixedly installed at the ends of multiple limiting sleeve rods 11. The positioning plate frames 1103 are fixedly installed on the top of the cooling frame 14. When the limiting sleeve rod 11 continuously moves downward, the inner sliding rod 1101 enters the inside of the limiting sleeve rod 11 to compress the support spring 1102. The limiting sleeve rod 11 can drive the cooling frame 14 to move downward through the positioning plate frame 1103 until the cooling frame 14 enters the inside of the cooling notch 901; Compared with the traditional cooling method, after the cooling frame 14 moves downward into the cooling notch 901, the cooling coil 1401 will be located outside the top mold 10 to achieve the cooling process. When the cooling is completed, the cooling frame 14 can be driven to reset by the upward movement of the limiting sleeve rod 11, so that the cooling coil 1401 can be blocked in time by the rectangular heat insulation plate frame 13, which can ensure the cooling effect and cooling efficiency, and will not affect the injection of raw materials and the forming operation of workpieces; Specifically, a feeding pump 701 is fixedly installed on the top of the feeding box 7. The feeding pump 701 is communicated with the end of the feeding pipe 16, and is used to extract the raw materials inside the feeding box 7 and then perform the conveying operation through the feeding pipe 16; An adapter elbow 1601 is fixedly installed inside the feeding pipe 16. The adapter elbow 1601 is used to enable the feeding pipe 16 to adjust the angle to avoid affecting the mold closing operation of the top mold 10; A heating module is installed outside the adapter elbow 1601. The heating module is not shown in the figure and is used to heat the conveyed raw materials; Specifically, a demolding device 15 is fixedly installed on the top surface of the top mold 10. The demolding device 15 is communicated with the top mold 10 through a conduit, and is used to fill the inside of the top mold 10 with gas when the workpiece is formed, so that the workpiece is separated from the top mold 10; When the workpiece is formed, by operating the demolding device 15, gas can be filled into the inside of the top mold 10 through the conduit, so that the workpiece can automatically complete the separation operation from the top mold 10, further improving the operation efficiency of the equipment; Specifically, the demolding device 15 is an existing air pump device, which will not be elaborated here; Furthermore, a plurality of through holes 2011 are symmetrically opened inside the conveyor belt 201. A filtering component is provided at the inner bottom of the machine body 1 for filtering harmful gases generated during workpiece processing; A plurality of support rollers 202 are rotatably connected inside the conveyor belt 201. The installation positions of the support rollers 202 are directly below the top mold 10 and are used to support the bottom mold 3 during the mold closing process; Through the arrangement of the supporting rollers 202, when the top die 10 moves downward to contact the bottom die 3 to complete the die closing operation, through the cooperation of the plurality of supporting rollers 202, the supporting operation of the top die 10 can be completed, further ensuring the forming effect of the subsequent workpiece; Specifically, the filtering assembly includes a filter rack 8. The filter rack 8 is fixedly installed at the bottom of the conveying rack 2. A negative pressure device 801 is fixedly installed at the bottom of the filter rack 8. The negative pressure device 801 is communicated with the filter rack 8 and is used for extracting the gas generated during the operation; A filter module 802 is fixedly installed inside the filter rack 8. The filter module 802 is made of the existing activated carbon material; When the device is in the process of injection molding, through the operation of the negative pressure device 801, the harmful gas generated during the injection molding process can be extracted, and then discharged after being filtered by the filter module 802, further ensuring the working environment; Specifically, a concave-shaped rack 4 is fixedly installed at the top of the conveying rack 2. A spraying device 5 is fixedly installed inside the concave-shaped rack 4. A plurality of atomizing nozzles 501 are fixedly installed at the bottom of the spraying device 5 and are used for spraying a release agent into the inner part of the conveyed bottom die 3; By spraying the release agent into the inner part of the bottom die 3 through the atomizing nozzles 501, it is convenient to demold the subsequent workpiece after forming, further improving the operation convenience of the device.

[0021] At the same time, the content not described in detail in this specification belongs to the prior art well known to those skilled in the art.

[0022] The above has described a specific embodiment of the present invention in detail, but the described content is only a preferred embodiment of the present invention and cannot be considered as limiting the scope of implementation of the present invention. All equivalent changes and improvements made according to the scope of the application of the present invention should still fall within the scope covered by the present invention.

Claims

1. A refrigerator injection mold side drawer structure, comprising a body (1), characterized in that: A conveying frame (2) is fixedly installed inside the machine body (1), and a conveying belt (201) is rotatably connected inside the conveying frame (2) for conveying the bottom mold (3); A transmission frame (9) is slidably mounted up and down inside the machine body (1), and a top mold (10) is fixedly mounted inside the transmission frame (9). The top mold (10) is used to contact the bottom mold (3) as the transmission frame (9) moves downward to achieve mold closing operation; A material delivery box (7) is fixedly mounted on the outside of the machine body (1), and a material delivery pipe (16) is connected between the material delivery box (7) and the top mold (10) for delivering raw materials between the combined top mold (10) and the bottom mold (3); The body (1) is slidably connected to a pressure plate (12) inside, a plurality of limit sleeve rods (11) are fixedly installed at the bottom of the pressure plate (12), and an inner slide rod (1101) is slidably sleeved inside the limit sleeve rod (11), the inner slide rod (1101) is fixedly installed on the top of the transmission frame (9), and a support spring (1102) is fixedly installed between the end of the inner slide rod (1101) and the inside of the limit sleeve rod (11), and a driving cylinder (6) is fixedly installed on the top of the body (1) for driving the pressure plate (12), the plurality of limit sleeve rods (11) and the transmission frame (9) to move downward, so that the top mold (10) and the bottom mold (3) are molded together; A cooling slot (901) is provided on the top of the transmission frame (9), a rectangular heat-insulating plate frame (13) is fixedly installed on the top of the top mold (10), and a cooling frame (14) is slidably connected to the outside of the rectangular heat-insulating plate frame (13), and a plurality of cooling coils (1401) are fixed inside the cooling frame (14) for cooling the formed workpiece as the cooling frame (14) moves down to the inside of the cooling slot (901).

2. The side drawer structure of a refrigerator injection mold according to claim 1, characterized in that: The ends of the plurality of limit sleeve rods (11) are fixedly mounted with positioning plates (1103), and the positioning plates (1103) are fixedly mounted on the top of the cooling rack (14). When the limit sleeve rod (11) continues to move downward, the inner sliding rod (1101) enters the interior of the limit sleeve rod (11) to compress the supporting spring (1102), and the limit sleeve rod (11) can drive the cooling rack (14) to move downward through the positioning plates (1103) until the cooling rack (14) enters the interior of the cooling slot (901).

3. The side drawer structure of a refrigerator injection mold according to claim 1, characterized in that: A feed pump (701) is fixedly mounted on the top of the feed box (7), and the feed pump (701) is in communication with the end of the feed pipe (16) for extracting the raw materials from the feed box (7) and then conveying them through the feed pipe (16).

4. The side drawer structure of a refrigerator injection mold according to claim 3, characterized in that: A connecting elbow (1601) is fixedly installed inside the feeding pipe (16).

5. The side drawer structure of a refrigerator injection mold according to claim 1, characterized in that: A demoulding device (15) is fixedly mounted on the top surface of the top mold (10); the demoulding device (15) and the top mold (10) are connected to each other via a conduit, and are used to inject gas into the top mold (10) after the workpiece is formed, so as to separate the workpiece from the top mold (10).

6. The side drawer structure of a refrigerator injection mold according to claim 1, characterized in that: The conveyor belt (201) is symmetrically provided with a plurality of through holes (2011) inside, and a filter assembly is provided at the inner bottom of the machine body (1) for filtering harmful gases generated during workpiece processing.

7. The side drawer structure of a refrigerator injection mold according to claim 6, characterized in that: The conveyor belt (201) is rotatably connected to a plurality of support rollers (202) inside, and the support rollers (202) are installed directly below the top mold (10) and are used to support the bottom mold (3) during the mold closing process.

8. The side drawer structure of a refrigerator injection mold according to claim 6, characterized in that: The filter assembly comprises a filter frame (8), the filter frame (8) being fixedly mounted on the bottom of the conveying frame (2), a negative pressure device (801) being fixedly mounted on the bottom of the filter frame (8), the negative pressure device (801) being interconnected with the filter frame (8) and being used to extract gas generated during operation.

9. The side drawer structure of a refrigerator injection mold according to claim 8, characterized in that: A filter module (802) is fixedly installed inside the filter frame (8).

10. The side drawer structure of a refrigerator injection mold according to claim 1, characterized in that: A concave frame (4) is fixedly mounted on the top of the conveying frame (2), a spraying device (5) is fixedly mounted inside the concave frame (4), and a plurality of atomizing nozzles (501) are fixedly mounted on the bottom of the spraying device (5) for spraying a release agent onto the inside of the conveyed bottom mold (3).

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