Mold frame facilitating demolding of finished product

Abstract

The utility model relates to the technical field of mould frames, in particular to a mould frame convenient for demoulding finished products, which comprises a mould frame body, automatic exhaust mechanisms are arranged on the surfaces of a lower mould and an upper mould, rapid cooling mechanisms are arranged on the surfaces of a lifting plate and the upper mould, and a convenient demoulding mechanism is arranged in the lower mould. According to the utility model, hot air in the mold cavity body can be automatically exhausted during mold opening of the mold frame, so that the phenomenon that hands of a user are burnt by the hot air during mold opening of the mold frame is avoided, the mold frame is safer to use, the convenience of the mold frame in use is greatly improved, and the mold frame is more convenient and smoother to demold; the automation degree of the mold frame in use is greatly improved, heat in the upper mold can be quickly discharged when the mold frame is used, and the working efficiency of the mold frame in use is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mold frames, in particular to a mold frame which is convenient for demoulding finished products. Background Art

[0002] The mold frame is the support of the mold. For example, on the die-casting machine, the various parts of the mold are combined and fixed according to a certain rule and position, and the part that enables the mold to be installed on the die-casting machine is called the mold frame. It is composed of an ejection mechanism, a guide mechanism, a pre-reset mechanism, a mold foot pad, and a seat plate. The mold frame is a semi-finished product of the mold. Now we need a mold frame that is convenient for demolding of the finished product.

[0003] First, the mold frame will generate some hot air when in use, and this hot air can easily cause harm to the user's body when opening the mold. The existing mold frame usually does not have the function of automatic exhaust when in use, which makes it impossible for the mold frame to automatically discharge the hot air inside the mold slot body when opening the mold, which can easily cause the hot air to burn the user's hands when the mold frame opens the mold, making the mold frame unsafe when in use; secondly, the mold frame needs to be demolded when in use, and the existing mold frame is not convenient enough when demolding, which greatly reduces the convenience of the mold frame when in use, and makes the mold frame not convenient and smooth when demolding, which greatly reduces the degree of automation when the mold frame is in use; thirdly, the temperature of the mold surface will increase when the mold frame is in use, and it needs to be cooled down in time. The existing mold frame has a reduced cooling efficiency when cooling the mold, which makes it impossible for the mold frame to quickly discharge the heat inside the upper mold when in use, and greatly reduces the work efficiency when the mold frame is in use. Utility Model Content

[0004] The utility model aims to provide a mold frame which is convenient for demoulding finished products, so as to solve the problems in the above-mentioned background technology that the mold frame does not have the function of automatic exhaust when in use, is not convenient when demolding, and has reduced cooling efficiency when cooling the mold.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mold frame that is convenient for demoulding finished products, comprising a mold frame body, a control button is installed on the surface of the mold frame body, a fixing frame is installed on the surface at the top position of the mold frame body, a top plate body is installed on the surface at the top position of the fixing frame, a lifting plate is arranged above the mold frame body, an upper mold is installed on the surface at the bottom position of the lifting plate, a pressing plate is installed on the surface at the bottom position of the upper mold, a lower mold is installed on the surface at the top position of the mold frame body, the lower mold is located directly below the upper mold, and the lower mold The surface at the top position of the tool is provided with a mold groove body, the diameter of the mold groove body is larger than the diameter of the pressing plate, the surfaces of the lower mold and the upper mold are provided with automatic exhaust mechanisms, the interior of the automatic exhaust mechanism includes mounting studs, guide grooves and automatic exhaust parts, the surfaces of the lifting plate and the upper mold are provided with rapid cooling mechanisms, the interior of the rapid cooling mechanisms includes an air pump body, an air guide pipe, a cooling trough, a refrigeration box, a blower and a refrigerator, the interior of the lower mold is provided with a demolding mechanism, the interior of the demolding mechanism includes a through groove body, a pull plate body and a demolding group.

[0006] Preferably, the lifting plate and the inner wall of the fixing frame are slidably matched with each other, the inner wall of the top plate body is installed with an electric push rod, the input end of the electric push rod is electrically connected to the output end of the control button, and the output end of the electric push rod is fixed to the surface of the lifting plate.

[0007] Preferably, the automatic exhaust part is arranged on the surface of the lower mold and the upper mold, and the automatic exhaust part is composed of a connecting block, a mounting plate and an exhaust pipe. The surfaces on both sides of the lower mold are provided with mounting plates, and the surfaces of the mounting plates are threadedly connected with mounting studs. One end of the mounting stud passes through the mounting plate and is threadedly fastened to the surface of the lower mold. The surfaces on both sides of the upper mold are installed with connecting blocks.

[0008] Preferably, a guide groove is provided on the inner wall of the mounting plate, and the connecting block and the surface of the guide groove are slidably matched with each other. An exhaust pipe for exhausting the interior of the mold slot body is installed inside the mold slot body, and one end of the exhaust pipe passes through the mounting plate and extends to the outside of the mounting plate, and the exhaust pipe is connected to the interior of the mold slot body.

[0009] Preferably, a refrigeration box is installed on the surface at the top position of the lifting plate, and a blower is installed on the surface at the top position of the refrigeration box. The input end of the blower is electrically connected to the output end of the control button, and the output end of the blower passes through the refrigeration box and extends to the interior of the refrigeration box.

[0010] Preferably, refrigerators are installed on the inner walls on both sides of the refrigeration box, and the input end of the refrigerator is electrically connected to the output end of the control button. Air pump bodies are installed on the inner walls of the refrigeration box, and the input end of the air pump body is electrically connected to the output end of the control button. An air duct is installed on the output end of the air pump body. A cooling groove is opened inside the upper mold, and one end of the air duct passes through the lifting plate and the upper mold and extends to the inside of the cooling groove.

[0011] Preferably, the demolding group is arranged inside the lower mold, and the demolding group is composed of a connecting rod, a ejection plate, a fixed groove and a stretching spring. The interior of the lower mold is provided with a fixed groove, and the interior of the mold frame body is provided with a through groove body. A pull plate body is arranged inside the through groove body, and the pull plate body and the inner wall of the through groove body are slidably matched with each other.

[0012] Preferably, the top end of the pull plate body extends to the interior of the fixed groove and is installed with a connecting rod, the top end of the connecting rod is installed with a ejection plate, the surface of the ejection plate is connected to the interior of the mold groove body, the connecting rod and the inner wall of the lower mold are slidably matched with each other, and the surface of the pull plate body is provided with an extension spring, and the top end of the extension spring is fixed to the inner wall of the through groove body.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the mold frame that facilitates demoulding of finished products not only enables the mold frame to automatically discharge the hot air inside the mold groove body when the mold is opened, thereby avoiding the phenomenon that the hot air burns the user's hands when the mold frame is opened, making the mold frame safer when in use, greatly improving the convenience of using the mold frame, making the mold frame more convenient and smooth when demolding, greatly improving the degree of automation when the mold frame is in use, and enabling the mold frame to quickly discharge the heat inside the upper mold when in use, thereby greatly improving the working efficiency when the mold frame is in use;

[0014] 1. By providing an automatic exhaust mechanism, the upper mold drives the connecting block to slide inside the guide groove, and the upper mold is guided under the joint action of the connecting block and the guide groove. Then, the heat inside the mold groove body will not rise up in large quantities, but enter the exhaust pipe. Under the action of the exhaust pipe inside the mounting plate, the heat inside the mold groove body is discharged, realizing the automatic exhaust function of the mold frame, so that the mold frame can automatically discharge the hot air inside the mold groove body when the mold is opened, avoiding the phenomenon that the hot air burns the user's hands when the mold frame is opened, making the mold frame safer when in use;

[0015] 2. By providing a demolding mechanism, the user pulls the pull plate body through the through groove body on the surface of the mold frame body, so that the pull plate body drives the connecting rod to slide inside the fixed groove. At this time, the fixed groove drives the ejector plate to slide inside the fixed groove. Then, the user releases the pull plate body, and the connecting rod and the ejector plate are driven to slide inside the fixed groove under the elastic force of the extension spring. Under the action of the ejector plate, the finished workpiece inside the mold groove body is ejected upward, which is convenient for demolding the finished workpiece, realizing the mold frame's easy demolding function, thereby greatly improving the convenience of the mold frame when using it, making it more convenient and smooth to demold the mold frame, and greatly improving the degree of automation when using the mold frame;

[0016] 3. By providing a rapid cooling mechanism, the blower inside the refrigeration box is controlled to work, and air is sucked into the refrigeration box under the action of the blower. Subsequently, the user operates the control button to control the refrigerator to work, and the air inside the refrigeration box is cooled down under the action of the refrigerator. Subsequently, the user operates the control button to control the air pump body inside the refrigeration box to work, and the air inside the refrigeration box is guided to the inside of the cooling tank through the air guide pipe under the action of the air pump body, and the inside of the upper mold is quickly cooled down, thereby realizing the function of rapid cooling of the mold frame, so that the mold frame can quickly discharge the heat inside the upper mold when in use, and the working efficiency when the mold frame is in use is greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0019] Figure 3 For the utility model Figure 2 A schematic diagram of the enlarged structure of the automatic exhaust mechanism;

[0020] Figure 4 For the utility model Figure 2 A schematic diagram of the enlarged structure of the rapid cooling mechanism;

[0021] Figure 5 It is a schematic diagram of the enlarged structure of the film-releasing mechanism of the utility model.

[0022] In the figure: 1. mold frame body; 101. control button; 102. fixing frame; 103. top plate body; 104. lifting plate; 105. lower mold; 106. electric push rod; 107. upper mold; 108. pressing plate; 109. mold groove body; 2. automatic exhaust mechanism; 201. mounting stud; 202. guide groove; 203. automatic exhaust part; 2031. connecting block; 2032. mounting plate; 2033. exhaust pipe; 3. rapid cooling mechanism; 301. air pump body; 302. air guide pipe; 303. cooling tank; 304. refrigeration box; 305. blower; 306. refrigerator; 4. easy demolding mechanism; 401. through groove body; 402. pull plate body; 403. easy demolding group; 4031. connecting rod; 4032. ejector plate; 4033. fixing groove; 4034. extension spring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] The utility model provides a mold frame structure that is convenient for demoulding of finished products. Figure 1 and Figure 2 As shown, it includes a mold frame body 1, a control button 101 is installed on the surface of the mold frame body 1, and the model of the control button 101 can be selected from the LA series. A fixing frame 102 is installed on the surface at the top position of the mold frame body 1, and a top plate body 103 is installed on the surface at the top position of the fixing frame 102. A lifting plate 104 is arranged above the mold frame body 1, and the lifting plate 104 and the inner wall of the fixing frame 102 slide with each other. An electric push rod 106 is installed on the inner wall of the top plate body 103, and the model of the electric push rod 106 can be selected from the DG series. The electric push rod 106 The input end is electrically connected to the output end of the control button 101, the output end of the electric push rod 106 is fixed to the surface of the lifting plate 104, the surface at the bottom position of the lifting plate 104 is installed with an upper mold 107, the surface at the bottom position of the upper mold 107 is installed with a pressing plate 108, the surface at the top position of the mold frame body 1 is installed with a lower mold 105, the lower mold 105 is located directly below the upper mold 107, and the surface at the top position of the lower mold 105 is opened with a mold groove body 109, and the diameter of the mold groove body 109 is larger than the diameter of the pressing plate 108.

[0025] Furthermore, if Figure 2 and Figure 3As shown, the surfaces of the lower mold 105 and the upper mold 107 are both provided with an automatic exhaust mechanism 2, the interior of the automatic exhaust mechanism 2 includes a mounting stud 201, a guide groove 202 and an automatic exhaust portion 203, the automatic exhaust portion 203 is provided on the surfaces of the lower mold 105 and the upper mold 107, the automatic exhaust portion 203 is composed of a connecting block 2031, a mounting plate 2032 and an exhaust pipe 2033, the surfaces of both sides of the lower mold 105 are both provided with mounting plates 2032, the surface of the mounting plate 2032 is threadedly connected with the mounting stud 201, one end of the mounting stud 201 The mounting plate 2032 is passed through and is threadedly fastened to the surface of the lower mold 105. Connecting blocks 2031 are installed on the surfaces of both sides of the upper mold 107. A guide groove 202 is provided on the inner wall of the mounting plate 2032. The surfaces of the connecting block 2031 and the guide groove 202 slide with each other. An exhaust pipe 2033 for exhausting the interior of the mold slot body 109 is installed inside the mold slot body 109. One end of the exhaust pipe 2033 passes through the mounting plate 2032 and extends to the outside of the mounting plate 2032. The exhaust pipe 2033 is communicated with the interior of the mold slot body 109.

[0026] During implementation, when the upper mold 107 moves upward, the upper mold 107 drives the connecting block 2031 to slide inside the guide groove 202, and the upper mold 107 is guided under the joint action of the connecting block 2031 and the guide groove 202. Subsequently, the heat inside the mold groove body 109 will not rise upward in large quantities, but enter the exhaust pipe 2033. Under the action of the exhaust pipe 2033 inside the mounting plate 2032, the heat inside the mold groove body 109 is discharged, thereby realizing the function of automatic exhaust of the mold frame.

[0027] Furthermore, if Figure 2 and Figure 4As shown, the surfaces of the lifting plate 104 and the upper mold 107 are both provided with a rapid cooling mechanism 3, the interior of the rapid cooling mechanism 3 includes an air pump body 301, an air guide pipe 302, a cooling tank 303, a refrigeration box 304, a blower 305 and a refrigerator 306, the surface at the top position of the lifting plate 104 is installed with a refrigeration box 304, and the surface at the top position of the refrigeration box 304 is installed with a blower 305, the model of the blower 305 can be selected from the VFC series, the input end of the blower 305 is electrically connected to the output end of the control button 101, and the output end of the blower 305 runs through the refrigeration box 304 and extends to the inside of the refrigeration box 304. , refrigerators 306 are installed on the inner walls on both sides of the refrigeration box 304. The model of the refrigerator 306 can be selected from the TC series. The input end of the refrigerator 306 is electrically connected to the output end of the control button 101. The inner walls of the refrigeration box 304 are installed with air pump bodies 301. The model of the air pump bodies 301 can be selected from the YX series. The input end of the air pump body 301 is electrically connected to the output end of the control button 101. An air guide pipe 302 is installed at the output end of the air pump body 301. A cooling groove 303 is opened inside the upper mold 107. One end of the air guide pipe 302 passes through the lifting plate 104 and the upper mold 107 and extends to the inside of the cooling groove 303.

[0028] During implementation, the blower 305 inside the refrigeration box 304 is controlled to work, and air is sucked into the interior of the refrigeration box 304 under the action of the blower 305. Subsequently, the user operates the control button 101 again, so that the control button 101 controls the refrigerator 306 to work, and the air inside the refrigeration box 304 is cooled down under the action of the refrigerator 306. Subsequently, the user operates the control button 101 again, so that the control button 101 controls the air pump body 301 inside the refrigeration box 304 to work, and the air inside the refrigeration box 304 is guided to the interior of the cooling tank 303 through the air guide pipe 302 under the action of the air pump body 301, and the interior of the upper mold 107 is quickly cooled down to achieve the function of rapid cooling of the mold frame.

[0029] Furthermore, if Figure 2 and Figure 5As shown, the interior of the lower mold 105 is provided with a demolding mechanism 4, and the interior of the demolding mechanism 4 includes a through slot body 401, a pull plate body 402 and a demolding group 403. The demolding group 403 is arranged inside the lower mold 105, and the demolding group 403 is composed of a connecting rod 4031, a top plate 4032, a fixed slot 4033 and a stretch spring 4034. The interior of the lower mold 105 is provided with a fixed slot 4033, and the interior of the mold frame body 1 is provided with a through slot body 401, and a pull plate is arranged inside the through slot body 401. The main body 402, the pull plate main body 402 and the inner wall of the through slot main body 401 are slidably matched with each other, the top end of the pull plate main body 402 extends to the inside of the fixed slot 4033 and is installed with a connecting rod 4031, and the top end of the connecting rod 4031 is installed with a top plate 4032, the surface of the top plate 4032 is connected to the inside of the mold slot main body 109, the connecting rod 4031 and the inner wall of the lower mold 105 are slidably matched with each other, and the surface of the pull plate main body 402 is covered with an extension spring 4034, and the top end of the extension spring 4034 is fixed to the inner wall of the through slot main body 401.

[0030] During implementation, the user pulls the pull plate body 402 through the through groove body 401 on the surface of the mold frame body 1, so that the pull plate body 402 drives the connecting rod 4031 to slide inside the fixed groove 4033. At this time, the fixed groove 4033 drives the ejecting plate 4032 to slide inside the fixed groove 4033. Then, the user releases the pull plate body 402, and drives the connecting rod 4031 and the ejecting plate 4032 to slide inside the fixed groove 4033 under the elastic force of the extension spring 4034. Under the action of the ejecting plate 4032, the finished workpiece inside the mold groove body 109 is ejected upward, which is convenient for demolding the finished workpiece, so as to realize the function of facilitating demolding of the mold frame.

[0031] Working principle: When in use, first place it at the designated position, and the user operates the control button 101, so that the control button 101 controls the electric push rod 106 on the inner wall of the top plate body 103 to work, and the electric push rod 106 drives the lifting plate 104 to slide up and down on the inner wall of the fixed frame 102. When the lifting plate 104 moves downward, the lifting plate 104 drives the upper mold 107 to move downward, so that the upper mold 107 drives the pressing plate 108 to move to the inside of the die groove body 109, and the finished workpiece is die-cast under the joint action of the pressing plate 108 and the die groove body 109.

[0032] After the die-casting is completed, the lifting plate 104 drives the upper mold 107 and the pressing plate 108 away from the lower mold 105 and the interior of the mold slot body 109. At this time, when the upper mold 107 moves upward, the upper mold 107 drives the connecting block 2031 to slide inside the guide groove 202, and the upper mold 107 is guided under the joint action of the connecting block 2031 and the guide groove 202. Subsequently, the heat inside the mold slot body 109 will not rise upward in large quantities, but enter the interior of the exhaust pipe 2033. Under the action of the exhaust pipe 2033 inside the mounting plate 2032, the heat inside the mold slot body 109 is discharged to realize the automatic exhaust function of the mold frame, so that the mold frame can automatically discharge the hot air inside the mold slot body 109 when the mold is opened, thereby avoiding the phenomenon of hot air burning the user's hands when the mold frame is opened, making the mold frame safer when in use.

[0033] Subsequently, after the die-casting is completed, the user pulls the pull plate body 402 through the through groove body 401 on the surface of the mold frame body 1, so that the pull plate body 402 drives the connecting rod 4031 to slide inside the fixed groove 4033. At this time, the fixed groove 4033 drives the ejection plate 4032 to slide inside the fixed groove 4033. Subsequently, the user releases the pull plate body 402, and drives the connecting rod 4031 and the ejection plate 4032 to slide inside the fixed groove 4033 under the elastic force of the extension spring 4034. Under the action of the ejection plate 4032, the finished workpiece inside the mold groove body 109 is ejected upward, which facilitates the demolding of the finished workpiece, so as to realize the function of the mold frame to facilitate demolding, thereby greatly improving the convenience of the mold frame when using it, making it more convenient and smoother to demold the mold frame, and greatly improving the degree of automation when using the mold frame.

[0034] Subsequently, the user operates the control button 101 again, so that the control button 101 controls the blower 305 inside the refrigeration box 304 to work, and under the action of the blower 305, air is sucked into the interior of the refrigeration box 304. Subsequently, the user operates the control button 101 again, so that the control button 101 controls the refrigerator 306 to work, and under the action of the refrigerator 306, the air inside the refrigeration box 304 is cooled down. Subsequently, the user operates the control button 101 again, so that the control button 101 controls the air pump body 301 inside the refrigeration box 304 to work, and under the action of the air pump body 301, the air inside the refrigeration box 304 is guided to the interior of the cooling tank 303 through the air guide pipe 302, and the interior of the upper mold 107 is quickly cooled down to realize the function of quickly cooling the mold frame, so that the mold frame can quickly discharge the heat inside the upper mold 107 when in use, and the working efficiency when the mold frame is in use is greatly improved, and finally the use of the mold frame is completed.

[0035] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention.

Claims

1. A mold frame for facilitating demoulding of finished products, comprising a mold frame body (1), characterized in that: A control button (101) is installed on the surface of the mold frame body (1), a fixing frame (102) is installed on the surface at the top position of the mold frame body (1), a top plate body (103) is installed on the surface at the top position of the fixing frame (102), a lifting plate (104) is arranged above the mold frame body (1), an upper mold (107) is installed on the surface at the bottom position of the lifting plate (104), a pressing plate (108) is installed on the surface at the bottom position of the upper mold (107), a lower mold (105) is installed on the surface at the top position of the mold frame body (1), the lower mold (105) is located directly below the upper mold (107), and a mold groove body (109) is opened on the surface at the top position of the lower mold (105), and the diameter of the mold groove body (109) is larger than that of the pressing mold The diameter of the plate (108) is set, the surfaces of the lower mold (105) and the upper mold (107) are both provided with an automatic exhaust mechanism (2), the interior of the automatic exhaust mechanism (2) includes a mounting stud (201), a guide groove (202) and an automatic exhaust part (203), the surfaces of the lifting plate (104) and the upper mold (107) are both provided with a rapid cooling mechanism (3), the interior of the rapid cooling mechanism (3) includes an air pump body (301), an air guide pipe (302), a cooling groove (303), a refrigeration box (304), a blower (305) and a refrigerator (306), the interior of the lower mold (105) is provided with a demolding mechanism (4), the interior of the demolding mechanism (4) includes a through groove body (401), a pull plate body (402) and a demolding group (403).

2. A mold frame for facilitating demoulding of finished products according to claim 1, characterized in that: The lifting plate (104) and the inner wall of the fixing frame (102) are slidably matched with each other, and the inner wall of the top plate body (103) is installed with an electric push rod (106), the input end of the electric push rod (106) is electrically connected to the output end of the control button (101), and the output end of the electric push rod (106) is fixed to the surface of the lifting plate (104).

3. A mold frame for facilitating demoulding of finished products according to claim 1, characterized in that: The automatic exhaust part (203) is arranged on the surface of the lower mold (105) and the upper mold (107), and the automatic exhaust part (203) is composed of a connecting block (2031), a mounting plate (2032) and an exhaust pipe (2033). The surfaces of both sides of the lower mold (105) are provided with mounting plates (2032), and the surface of the mounting plates (2032) is threadedly connected with mounting studs (201), one end of the mounting studs (201) passes through the mounting plate (2032) and is threadedly fastened to the surface of the lower mold (105), and the surfaces of both sides of the upper mold (107) are installed with connecting blocks (2031).

4. A mold frame for facilitating demoulding of finished products according to claim 3, characterized in that: The inner wall of the mounting plate (2032) is provided with a guide groove (202), the connection block (2031) and the surface of the guide groove (202) are slidably matched with each other, and the interior of the mold groove body (109) is installed with an exhaust pipe (2033) for exhausting the interior of the mold groove body (109), one end of the exhaust pipe (2033) passes through the mounting plate (2032) and extends to the outside of the mounting plate (2032), and the exhaust pipe (2033) is connected to the interior of the mold groove body (109).

5. A mold frame for facilitating demoulding of finished products according to claim 1, characterized in that: A refrigeration box (304) is installed on the surface at the top of the lifting plate (104), and a blower (305) is installed on the surface at the top of the refrigeration box (304). The input end of the blower (305) is electrically connected to the output end of the control button (101), and the output end of the blower (305) passes through the refrigeration box (304) and extends to the inside of the refrigeration box (304).

6. A mold frame for facilitating demoulding of finished products according to claim 5, characterized in that: The inner walls on both sides of the refrigeration box (304) are both installed with refrigerators (306), the input end of the refrigerator (306) is electrically connected to the output end of the control button (101), the inner walls of the refrigeration box (304) are both installed with air pump bodies (301), the input end of the air pump bodies (301) is electrically connected to the output end of the control button (101), the output end of the air pump bodies (301) is installed with air guide tubes (302), a cooling groove (303) is opened inside the upper mold (107), and one end of the air guide tube (302) passes through the lifting plate (104) and the upper mold (107) and extends to the inside of the cooling groove (303).

7. A mold frame for facilitating demoulding of finished products according to claim 1, characterized in that: The demolding group (403) is arranged inside the lower mold (105), and the demolding group (403) is composed of a connecting rod (4031), a top plate (4032), a fixing groove (4033) and a stretching spring (4034). The lower mold (105) is provided with a fixing groove (4033) inside, and the mold frame body (1) is provided with a through groove body (401) inside. A pull plate body (402) is provided inside the through groove body (401), and the pull plate body (402) and the inner wall of the through groove body (401) are slidably matched with each other.

8. A mold frame for facilitating demoulding of finished products according to claim 7, characterized in that: The top end of the pull plate body (402) extends to the interior of the fixed groove (4033) and is installed with a connecting rod (4031), and the top end of the connecting rod (4031) is installed with a ejector plate (4032), and the surface of the ejector plate (4032) is connected to the interior of the mold groove body (109), and the connecting rod (4031) and the inner wall of the lower mold (105) are slidably matched with each other. The surface of the pull plate body (402) is provided with an extension spring (4034), and the top end of the extension spring (4034) is fixed to the inner wall of the through groove body (401).

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