Foaming mold frame

Abstract

The utility model provides a foaming mold frame which comprises a frame body and a rotating plate, a first rotating rod and a second rotating rod are arranged at the two opposite ends of the rotating plate respectively, supporting seats are arranged at the two opposite ends of the frame body respectively, containing grooves are formed in the supporting seats, and a movable rod and a first driving assembly are further arranged on the frame body. A first limiting plate and a second limiting plate are arranged at the two opposite ends of the movable rod correspondingly, and the first driving assembly drives the movable rod to be switched between a first station and a second station; the frame body is further provided with a second driving assembly in transmission connection with the rotating plate, and the second driving assembly drives the rotating plate to rotate around the first rotating rod or the second rotating rod. The rotating plate is further provided with a lower die base and an upper die base rotationally connected with the lower die base, and the lower die base is provided with a third driving assembly in transmission connection with the upper die base. According to the utility model, the technical problem that the inclination angle of the foaming mold cannot be adjusted as required is solved, and the technical effects of conveniently adjusting the inclination angle of the foaming mold and meeting process requirements are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts production, in particular to a foaming mold frame. Background Art

[0002] Auto parts are the various units that make up the entire car and are a kind of product that serves the car. There are many types of auto parts, including insulation pads, carpets, insulation boards, sound insulation boards, etc. Foaming molds are needed in the production process of auto parts.

[0003] The Chinese utility model patent with the publication number CN210336646U discloses a special mold frame for polyurethane foaming mold, including a base, a rotating mother rod, a rotating sub-rod, a cover body, a hydraulic cylinder, a bearing, a limit plate, a rubber pad, a control panel and a power cord. The front end of the base is welded with a rotating mother rod, the rotating sub-rod is arc-welded with the front end of the cover body, and the bottom of the rotating sub-rod is rotated with the rotating mother rod through a rotating shaft, the bottom of the hydraulic cylinder is fastened to the right side of the base, and the top of the hydraulic cylinder is rotated with the top of the cover body through a bearing, the limit plate is embedded in the inner side of the base and the cover body, the rubber pad is tightly adhered to the rear side of the middle part of the base and the cover body, the control panel is embedded in the front end of the right side of the base, the power cord is tightly extended into the left side of the control panel, and the hydraulic cylinder is electrically connected to the power cord through the control panel. The above-mentioned special mold frame for polyurethane foaming mold changes the mold frame into a pneumatic opening and closing design, uses the control panel to open the hydraulic cylinder with one button, so that the rotating mother-and-child rods are supported and rotated, no manual intervention is required, the opening and closing effect is better, and the time-saving and labor-saving effect is achieved.

[0004] During the foaming process of a foam body with uniform thickness, since the pressure in the foaming mold cavity is relatively uniform, the gas in the cavity is not easy to be completely discharged during exhaust, resulting in poor foam forming. Therefore, it is necessary to artificially tilt the foaming mold to create a pressure difference in the foaming mold so that the gas in the cavity can be smoothly and completely discharged. During the use of the special mold frame for polyurethane foaming mold disclosed in the above utility model patent, the inclination angle of the foaming mold installed on the special mold frame for polyurethane foaming mold cannot be adjusted as needed, resulting in incomplete exhaust of the foaming mold, affecting product quality. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a foaming mold frame, which solves the problem in the prior art that the inclination angle of the foaming mold cannot be adjusted as needed.

[0006] According to an embodiment of the utility model, a foaming mold frame includes a frame body and a rotating plate, wherein the first rotating rod and the second rotating rod are respectively provided at opposite ends of the rotating plate, and the support seats are respectively provided at opposite ends of the frame body, and the support seats are respectively provided with a receiving groove for accommodating part of the first rotating rod or the second rotating rod. The frame body is also provided with a movable active rod and a first driving component connected to the active rod in a transmission manner, and the moving direction of the active rod is perpendicular to the axial direction of the rotating rod, and the first limiting plate and the second limiting plate are respectively provided at opposite ends of the active rod, and the first driving component drives the active rod to switch between the first station and the second station, and the active rod is in the first station. When in the first working position, the first limit plate is located on the side of the first rotating rod away from the accommodating groove and blocks the first rotating rod from exiting the accommodating groove and the second limit plate is away from the second rotating rod. When the movable rod is in the second working position, the second limit plate is located on the side of the second rotating rod away from the accommodating groove and blocks the second rotating rod from exiting the accommodating groove and the first limit plate is away from the first rotating rod. The frame is also provided with a second driving assembly connected to the rotating plate in transmission, and the second driving assembly drives the rotating plate to rotate around the first rotating rod or the second rotating rod. The rotating plate is also provided with a lower mold base and an upper mold base rotatably connected to the lower mold base, and the lower mold base is provided with a third driving assembly connected to the upper mold base in transmission.

[0007] Furthermore, the frame is also provided with a slide groove that cooperates with the movable rod, the length direction of the slide groove is consistent with the moving direction of the movable rod, and limiting rings are respectively provided at opposite ends of the slide groove and the limiting rings are arranged around the movable rod.

[0008] Furthermore, the frame is provided with a slot connected to the slide slot, the length direction of the slot is consistent with the length direction of the slide slot, and the movable rod is provided with a connecting portion and the connecting portion extends into the slot.

[0009] Furthermore, the first driving assembly includes a first cylinder and a first telescopic rod arranged at the output end of the first cylinder, one end of the first telescopic rod away from the first cylinder is fixedly connected to the connecting part and the telescopic direction of the first telescopic rod is consistent with the moving direction of the movable rod.

[0010] Furthermore, guide grooves are respectively provided on the support seats, the length direction of the guide grooves is consistent with the moving direction of the movable rod and the height of the guide grooves is higher than the height of the accommodating grooves, and limiting parts are respectively provided on the first limiting plate and the second limiting plate, and the limiting parts extend into the guide grooves one by one.

[0011] Furthermore, the limiting parts are respectively provided at both ends of the first limiting plate and the two ends of the second limiting plate. When the movable rod is in the first working position, the two limiting parts on the first limiting plate are respectively located at the two ends of the first rotating rod on the side away from the accommodating groove. When the movable rod is in the second working position, the two limiting parts on the second limiting plate are respectively located at the two ends of the second rotating rod on the side away from the accommodating groove.

[0012] Furthermore, a connecting rod is provided on the rotating plate and the connecting rod is located between the first rotating rod and the second rotating rod, the connecting rod is fixedly connected to the first connecting rod, the second driving assembly includes a motor and a driving rod arranged at the output end of the motor, the driving rod is rotatably arranged on the frame and the driving rod is fixedly connected to the second connecting rod, and the first connecting rod is rotatably connected to the second connecting rod.

[0013] Furthermore, the first connecting rods are respectively provided at both ends of the connecting rod, the second connecting rods are respectively provided at both ends of the driving rod, and the second connecting rods are rotationally connected to the first connecting rods in a one-to-one correspondence.

[0014] Furthermore, the third driving assembly includes a second cylinder and a second telescopic rod arranged at the output end of the second cylinder, one end of the second cylinder away from the second telescopic rod is rotatably connected to the lower mold base, and one end of the second telescopic rod away from the second cylinder is rotatably connected to the upper mold base.

[0015] Furthermore, a first mounting shaft is provided on the lower mold base, a first mounting block is provided at the end of the second cylinder and a first mounting hole matching with the first mounting shaft is provided on the first mounting block, a second mounting shaft is provided on the upper mold base, a second mounting block is provided at the end of the second telescopic rod and a second mounting hole matching with the second mounting shaft is provided on the second mounting block.

[0016] Compared with the prior art, the utility model has the following beneficial effects: by adopting a rotating plate provided on the frame for installing the upper mold base and the lower mold base, the upper mold and the lower mold of the foaming mold are respectively installed in the upper mold base and the lower mold base, and the third driving component drives the upper mold base to rotate relative to the lower mold base to open and close the foaming mold, and after the foaming mold is installed on the rotating plate, the second driving component drives the rotating plate to rotate around the first rotating rod or the second rotating rod to adjust the inclination angle and inclination direction of the foaming mold, thereby meeting the process requirements, and the first driving component drives the movable rod to move to realize the switching of the rotating plate to rotate around the first rotating rod or around the second rotating rod. When the first driving component drives the movable rod to move to the first working position, the first limiting plate on the movable rod limits the first rotating rod to keep the first rotating rod within the range. When the first driving assembly drives the movable rod to move to the second working position, the second limiting plate on the movable rod limits the second rotating rod to keep the second limiting rod in the receiving groove. At this time, the first limiting plate is away from the first rotating rod to enable the first rotating rod to exit the receiving groove, so that the rotating plate can rotate around the second rotating rod under the drive of the second driving assembly, thereby realizing the rotation of the rotating plate in different directions to adjust the inclination angle of the foaming mold. It solves the technical problem that the inclination angle of the foaming mold cannot be adjusted as needed, and produces the technical effect of conveniently adjusting the inclination angle of the foaming mold and meeting the process requirements, and the angle has a large adjustable range and the adjustment operation is simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of a foaming mold frame according to an embodiment of the utility model;

[0018] Figure 2 It is a partial structural schematic diagram of a foaming mold frame in an embodiment of the utility model when the movable rod is in the first working position;

[0019] Figure 3 It is a partial structural schematic diagram of a foaming mold frame in an embodiment of the utility model when the movable rod is in the second working position;

[0020] Figure 4 It is a cross-sectional view of a part of the structure of a foaming mold frame according to an embodiment of the utility model;

[0021] Figure 5 A cross-sectional view of another section of a part of the structure of a foaming mold frame according to an embodiment of the utility model;

[0022] Figure 6 It is a schematic structural diagram of a frame in a foaming mold frame according to an embodiment of the utility model.

[0023] In the above drawings: 1. frame; 11. support seat; 12. accommodating groove; 13. slide groove; 14. limiting ring; 15. slot; 16. guide groove; 2. rotating plate; 21. first rotating rod; 22. second rotating rod; 23. connecting rod; 24. first connecting rod; 3. movable rod; 31. first limiting plate; 32. second limiting plate; 33. connecting part; 34. limiting part; 4. first driving assembly; 41. first cylinder; 42. first telescopic rod; 5. second driving assembly; 51. motor; 52. driving rod; 53. second connecting rod; 6. lower mold base; 61. first mounting shaft; 7. upper mold base; 62. second mounting shaft; 8. third driving assembly; 81. second cylinder; 82. second telescopic rod; 83. first mounting block; 84. second mounting block. DETAILED DESCRIPTION

[0024] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0025] like Figures 1 to 6 As shown, an embodiment of the utility model proposes a foaming mold frame for installing the foaming mold and adjusting the inclination angle of the foaming mold to completely discharge the gas in the foaming mold to meet the production process requirements.

[0026] Please refer to Figure 1 , Figure 2 and Figure 3, the foaming mold frame includes a frame body 1 and a rotating plate 2, the rotating plate 2 is provided with a first rotating rod 21 and a second rotating rod 22 at intervals, and the first rotating rod 21 and the second rotating rod 22 are respectively arranged near the opposite ends of the rotating plate 2, the opposite ends of the frame body 1 are respectively provided with support seats 11, and the support seats 11 are respectively provided with accommodating grooves 12, the accommodating grooves 12 accommodate part of the first rotating rod 21 or part of the second rotating rod 22, the frame body 1 is also provided with a movable active rod 3 and a first driving component 4 connected to the active rod 3 in a transmission manner, the moving direction of the active rod 3 is perpendicular to the axial direction of the rotating rod, the opposite ends of the active rod 3 are respectively provided with a first limiting plate 31 and a second limiting plate 32, the first limiting plate 31 and the second limiting plate 32 are respectively located at the opposite ends of the rotating plate 2, the first driving component 4 drives the active rod 3 to switch between the first station and the second station, and when the active rod 3 is in the first station, the first limiting plate 31 is located at the first rotating rod 21 The second limiting plate 32 is away from the side of the accommodating groove 12 and blocks the first rotating rod 21 from exiting the accommodating groove 12, and the second limiting plate 32 is away from the second rotating rod 22. At this time, the second rotating rod 22 can exit the accommodating groove 12. When the movable rod 3 is in the second working position, the second limiting plate 32 is located on the side of the second rotating rod 22 away from the accommodating groove 12 and blocks the second rotating rod 22 from exiting the accommodating groove 12, and the first limiting plate 31 is away from the first rotating rod 21. At this time, the first rotating rod 21 can exit the accommodating groove 12; the frame body 1 is also provided with a second driving component 5, which is transmission-connected with the rotating plate 2 and drives the rotating plate 2 to rotate around the first rotating rod 21 or the second rotating rod 22; the rotating plate 2 is also provided with a rotatably connected lower mold base 6 and an upper mold base 7, the lower mold of the foaming mold is installed in the lower mold base 6, and the upper mold is installed in the upper mold base 7, and the lower mold base 6 is provided with a third driving component 8 for driving the upper mold base 7 to rotate relative to the lower mold base 6.

[0027] Specifically, the steps of adjusting the inclination angle of the foaming mold using the foaming mold frame provided in this embodiment are as follows: the third driving component 8 drives the upper mold base 7 to rotate relative to the lower mold base 6 to close the foaming mold, determines the inclination direction and inclination angle of the foaming mold according to process requirements, and the first driving component 4 adjusts the movable rod 3 to the first station or the second station. When the movable rod 3 moves to the first station, the first limiting plate 31 limits the first rotating rod 21 so that the first rotating rod 21 remains in the accommodating groove 12. At this time, the second limiting plate 32 moves away from the second rotating rod 22 so that the second rotating rod 22 can exit the accommodating groove 12, so that the rotating plate 2 can rotate around the first rotating rod 21 under the drive of the second driving component 5 and the rotating plate 2 is provided with the second limiting plate 32. One end of the second rotating rod 22 is tilted, and when the movable rod 3 moves to the second station, the second limiting plate 32 on the movable rod 3 limits the second rotating rod 22 so that the second limiting rod remains in the receiving groove 12. At this time, the first limiting plate 31 is away from the first rotating rod 21 so that the first rotating rod 21 can exit the receiving groove 12, so that the rotating plate 2 can rotate around the second rotating rod 22 under the drive of the second driving component 5 and the end of the rotating plate 2 provided with the first rotating rod 21 is tilted, that is, the movable rod 3 is driven by the first driving component 4 to switch between the first station and the second station to control the rotation direction of the rotating plate 2, and the rotating plate 2 is driven by the second driving component 5 to rotate and control the rotation angle of the rotating plate 2, so as to adjust the inclination angle of the foaming mold. The foaming mold frame provided in this embodiment can conveniently adjust the inclination angle of the foaming mold, thereby meeting the production process requirements, and the angle can be adjusted in a large range and the adjustment operation is simple.

[0028] like Figure 1 , Figure 4 and Figure 6 As shown, the frame 1 is also provided with a slide groove 13 that matches the movable rod 3. The length direction of the slide groove 13 is consistent with the moving direction of the movable rod 3. The opposite ends of the slide groove 13 are respectively provided with a limit ring 14, and the limit ring 14 is arranged around the movable rod 3. The moving direction of the movable rod 3 on the frame 1 is limited by the slide groove 13 arranged on the frame 1, so as to prevent the movable rod 3 from deviating from the preset direction, ensure that the two limit plates arranged at the opposite ends of the movable rod 3 can accurately move to the position of blocking the first rotating rod 21 or the second rotating rod 22, and are connected to the frame 1 by the limit ring 14 so that the movable rod 3 is kept in the slide groove 13, which is conducive to improving the reliability of the foaming mold frame.

[0029] In detail, the frame body 1 is further provided with a slot 15 connected to the slide slot 13, the length direction of the slot 15 is consistent with the length direction of the slide slot 13, and the movable rod 3 is provided with a connecting portion 33 and the connecting portion 33 extends into the slot 15. The cooperation between the connecting portion 33 and the slot 15 is used to limit the travel of the movable rod 3 on the frame body 1. When the movable portion moves to a position that fits the end surface of the slot 15, the movable rod 3 moves to the first station or the second station, thereby improving the adjustment accuracy of the movable rod 3.

[0030] Please combine Figure 4 and Figure 5 The first driving assembly 4 includes a first cylinder 41 and a first telescopic rod 42 disposed at the output end of the first cylinder 41. The end of the first telescopic rod 42 away from the first cylinder 41 is fixedly connected to the connecting portion 33, and the telescopic direction of the first telescopic rod 42 is consistent with the moving direction of the movable rod 3. The first cylinder 41 drives the first telescopic rod 42 to extend or shorten, so as to move the connecting portion 33 and drive the movable rod 3 to move, so as to realize the switching of the movable rod 3 between the first station and the second station, and facilitate the operation of the foaming mold frame.

[0031] like Figure 2 , Figure 3 and Figure 5 As shown, in this embodiment, the support seat 11 is provided with a guide groove 16, the length direction of the guide groove 16 is consistent with the moving direction of the movable rod 3, and the height of the guide groove 16 is higher than the height of the accommodating groove 12, and the first limiting plate 31 and the second limiting plate 32 are provided with a limiting portion 34, and the limiting portions 34 extend into the guide groove 16 one by one. The limiting portions 34 are guided to move by the guide groove 16 provided on the support seat 11, and when the movable rod 3 moves on the frame 1, the limiting portions 34 slide in the guide groove 16, limiting the freedom of the first limiting plate 31 and the second limiting plate 32 while guiding the movement of the first limiting plate 31 and the second limiting plate 32, and improving the stability of the cooperation between the first limiting plate 31 and the second limiting plate 32 and the frame 1.

[0032] Specifically, the two ends of the first limiting plate 31 and the two ends of the second limiting plate 32 are respectively provided with the limiting parts 34. When the movable rod 3 is in the first working position, the two limiting parts 34 on the first limiting plate 31 are respectively located at the two ends of the first rotating rod 21 on the side away from the accommodating groove 12. When the movable rod 3 is in the second working position, the two limiting parts 34 on the second limiting plate 32 are respectively located at the two ends of the second rotating rod 22 on the side away from the accommodating groove 12. The limiting parts 34 are respectively provided at both ends of the first limiting plate 31 to limit the two ends of the first rotating rod 21, ensuring that the position of the first rotating rod 21 in the accommodating groove 12 remains stable when the movable rod 3 is in the first position, and the limiting parts 34 are respectively provided at both ends of the second limiting plate 32 to limit the two ends of the second rotating rod 22, preventing the second rotating rod 22 from slipping out of the accommodating groove 12 when the movable rod 3 is in the second position, which is beneficial to improve the stability of the rotating plate 2 during rotation and ensure the smooth rotation of the rotating plate 2 on the frame 1.

[0033] like Figure 2 and Figure 3 As shown, the rotating plate 2 is also provided with a connecting rod 23 and the connecting rod 23 is located between the first rotating rod 21 and the second rotating rod 22, the connecting rod 23 is fixedly connected with a first connecting rod 24, the second driving assembly 5 includes a motor 51 and a driving rod 52 arranged at the output end of the motor 51, the driving rod 52 is rotatably arranged on the frame 1 and the driving rod 52 is fixedly connected with a second connecting rod 53, and the first connecting rod 24 is rotatably connected with the second connecting rod 53. When the driving rod 52 rotates under the drive of the motor 51, the driving rod 52 drives the second connecting rod 53 to rotate, and the power is transmitted to the connecting rod 23 through the cooperation of the first connecting rod 24 and the second connecting rod 53, so that the rotating plate 2 can be driven to rotate around the first rotating rod 21 or the second rotating rod 22, so as to adjust the inclination angle of the foaming mold arranged on the rotating plate 2.

[0034] In detail, the first connecting rod 24 is respectively provided at both ends of the connecting rod 23, and the second connecting rod 53 is respectively provided at both ends of the driving rod 52, and the second connecting rod 53 is rotatably connected with the first connecting rod 24 in a one-to-one correspondence. The first connecting rod 24 is respectively provided at both ends of the connecting rod 23, and the second connecting rod 53 cooperating with the first connecting rod 24 is respectively provided at both ends of the driving rod 52, so as to improve the connection strength between the driving rod 52 and the connecting rod 23, ensure that the rotating plate 2 can bear the weight of the lower mold base 6, the upper mold base 7 and the foaming mold when rotating, and improve the structural stability of the foaming mold frame.

[0035] Please refer to Figure 1 The third driving assembly 8 includes a second cylinder 81 and a second telescopic rod 82 arranged at the output end of the second cylinder 81. The end of the second cylinder 81 away from the second telescopic rod 82 is rotatably connected to the lower mold base 6, and the end of the second telescopic rod 82 away from the second cylinder 81 is rotatably connected to the upper mold base 7. The second cylinder 81 drives the second telescopic rod 82 to extend or shorten, which can drive the upper mold base 7 to rotate relative to the lower mold base 6, thereby realizing automatic mold opening and mold closing of the foaming mold, without manual mold opening or mold closing operations, which is conducive to reducing the labor intensity of workers and improving the degree of production automation.

[0036] In this embodiment, the lower die base 6 is provided with a first mounting shaft 61, the end of the second cylinder 81 is provided with a first mounting block 83, and the first mounting block 83 is provided with a first mounting hole matched with the first mounting shaft 61, the upper die base 7 is provided with a second mounting shaft 62, the end of the second telescopic rod 82 is provided with a second mounting block 84, and the second mounting block 84 is provided with a second mounting hole matched with the second mounting shaft 62. The rotation connection between the cylinder and the lower die base 6 is realized by the cooperation between the first mounting block 83 and the first mounting shaft 61, and the rotation connection between the second telescopic rod 82 and the upper die base 7 is realized by the cooperation between the second mounting block 84 and the second mounting shaft 62, so that the second cylinder 81 and the second telescopic rod 82 can rotate relative to the lower die base 6 and the upper die base 7 respectively during the process of the second telescopic rod 82 being driven by the second cylinder 81 to extend and retract, ensuring that the upper die base 7 is smoothly opened and closed under the drive of the second driving assembly 5.

[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A foaming mold frame, characterized in that: The invention comprises a frame body and a rotating plate, wherein the first rotating rod and the second rotating rod are respectively provided at opposite ends of the rotating plate, the supporting seats are respectively provided at opposite ends of the frame body, and the supporting seats are respectively provided with accommodating grooves for accommodating part of the first rotating rod or the second rotating rod, the frame body is also provided with a movable active rod and a first driving component connected to the active rod in a transmission manner, the moving direction of the active rod is perpendicular to the axial direction of the rotating rod, the first limiting plate and the second limiting plate are respectively provided at opposite ends of the active rod, the first driving component drives the active rod to switch between the first working position and the second working position, and when the active rod is in the first working position, the first limiting plate is located at The first rotating rod is away from one side of the accommodating groove and blocks the first rotating rod from exiting the accommodating groove and the second limiting plate is away from the second rotating rod. When the movable rod is in the second working position, the second limiting plate is located on the side of the second rotating rod away from the accommodating groove and blocks the second rotating rod from exiting the accommodating groove and the first limiting plate is away from the first rotating rod. The frame is also provided with a second driving assembly connected to the rotating plate in a transmission manner, and the second driving assembly drives the rotating plate to rotate around the first rotating rod or the second rotating rod. The rotating plate is also provided with a lower mold base and an upper mold base rotatably connected to the lower mold base, and the lower mold base is provided with a third driving assembly connected to the upper mold base in a transmission manner.

2. A foaming mold frame according to claim 1, characterized in that: The frame is also provided with a slide groove matched with the movable rod, the length direction of the slide groove is consistent with the moving direction of the movable rod, and the opposite ends of the slide groove are respectively provided with limiting rings and the limiting rings are arranged around the movable rod.

3. A foaming mold frame according to claim 2, characterized in that: The frame is also provided with a slot connected to the slide slot, the length direction of the slot is consistent with the length direction of the slide slot, and the movable rod is provided with a connecting portion and the connecting portion extends into the slot.

4. A foaming mold frame as claimed in claim 3, characterized in that: The first driving assembly includes a first cylinder and a first telescopic rod arranged at the output end of the first cylinder, one end of the first telescopic rod away from the first cylinder is fixedly connected to the connecting part, and the telescopic direction of the first telescopic rod is consistent with the moving direction of the movable rod.

5. A foaming mold frame according to claim 1, characterized in that: The support seats are respectively provided with guide grooves, the length direction of the guide grooves is consistent with the moving direction of the movable rod and the height of the guide grooves is higher than the height of the accommodating grooves, and the first limiting plate and the second limiting plate are respectively provided with limiting parts, and the limiting parts extend into the guide grooves one by one.

6. A foaming mold frame according to claim 5, characterized in that: The limiting parts are respectively provided at both ends of the first limiting plate and the two ends of the second limiting plate. When the movable rod is in the first working position, the two limiting parts on the first limiting plate are respectively located on the two ends of the first rotating rod away from the side of the accommodating groove. When the movable rod is in the second working position, the two limiting parts on the second limiting plate are respectively located on the two ends of the second rotating rod away from the side of the accommodating groove.

7. A foaming mold frame according to claim 1, characterized in that: A connecting rod is also provided on the rotating plate and the connecting rod is located between the first rotating rod and the second rotating rod. The connecting rod is fixedly connected to the first connecting rod. The second driving assembly includes a motor and a driving rod arranged at the output end of the motor. The driving rod can be rotatably arranged on the frame and the driving rod is fixedly connected to the second connecting rod. The first connecting rod is rotatably connected to the second connecting rod.

8. A foaming mold frame according to claim 7, characterized in that: The first connecting rods are respectively disposed at both ends of the connecting rod, the second connecting rods are respectively disposed at both ends of the driving rod, and the second connecting rods are rotationally connected with the first connecting rods in a one-to-one correspondence.

9. A foaming mold frame according to claim 1, characterized in that: The third driving assembly includes a second cylinder and a second telescopic rod arranged at the output end of the second cylinder, the end of the second cylinder away from the second telescopic rod is rotatably connected to the lower mold base, and the end of the second telescopic rod away from the second cylinder is rotatably connected to the upper mold base.

10. A foaming mold frame according to claim 9, characterized in that: The lower die base is provided with a first mounting shaft, the end of the second cylinder is provided with a first mounting block, and the first mounting block is provided with a first mounting hole matching the first mounting shaft, the upper die base is provided with a second mounting shaft, the end of the second telescopic rod is provided with a second mounting block, and the second mounting block is provided with a second mounting hole matching the second mounting shaft.

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