A TPX supercritical foaming device and foaming method

Abstract

The present invention belongs to the technical field of foaming devices, specifically a TPX supercritical foaming device and a foaming method, comprising a base, two support frames are fixedly installed on the top wall of the base, a accommodating component is arranged between the two support frames, a linkage component is arranged on the side wall of the two support frames away from each other, and a driven component is arranged on the side wall of the two support frames away from each other; after foaming is completed, the output end of the hydraulic rod is controlled to drive the hydraulic rod to move upward, and the linkage component moves together with the kettle cover, and the driven component is in a meshing state, when the linkage component moves downward, the driven component drives the rotating circle to rotate a certain angle to complete the replacement of the kettle body, and the rotating circle is driven to rotate and the kettle body is replaced synchronously by the up and down movement of the kettle cover, so that after the material foaming is completed, the foaming operation can be immediately performed again without waiting for the material to be taken out, thereby achieving the effect of improving the foaming efficiency; and solving the problem of low foaming efficiency of the existing foaming device.

Description

Technical Field

[0001] The present invention relates to the technical field of foaming devices, in particular to a TPX supercritical foaming device and a foaming method. Background Art

[0002] The supercritical foaming device is a device that uses supercritical fluid to carry out physical plasticizing reaction in a special plasticizing pressure vessel under specific pressure and temperature conditions.

[0003] After searching, the Chinese patent publication number is CN111300720A, which discloses a vertical supercritical fluid foaming bottom-opening reactor, which relates to the field of polymer material processing; its structure includes a reactor body, a reactor cover and a reactor body lifting mechanism for controlling the lifting and lowering of the reactor body; the opening of the reactor body is set downward, and the reactor cover is installed directly below the reactor body opening; the purpose of the invention is to provide a vertical supercritical fluid foaming bottom-opening reactor with an upper reactor body / lower reactor cover. Compared with the traditional lower reactor body / upper reactor cover vertical device, this invention uses the design of the reactor body opening facing downward, so that after the supercritical fluid processing is depressurized, when the reactor body is opened upward, the material can quickly fall out of the inside of the reactor body under the action of gravity, thereby ensuring the free foaming and expansion of the material.

[0004] In the above-mentioned existing technical solution, the kettle body is designed to face downward, so that after the supercritical fluid processing is depressurized, when the kettle body is opened upward, the material can be quickly discharged from the inside of the kettle body under the action of gravity, ensuring the free foaming and expansion of the material. However, in actual use, after each foaming operation is completed, the items that fall into the inside of the kettle cover must be taken out first, and then the material to be foamed is placed in the kettle cover, and then the kettle body and the kettle cover are controlled to be combined for foaming. Since the items need to be taken out from the kettle cover before foaming, this step significantly reduces the foaming efficiency. Summary of the Invention

[0005] In order to solve the above technical problems, the present invention proposes a TPX supercritical foaming device and foaming method. By moving the kettle cover up and down, the rotating ring is driven to rotate and the kettle body is replaced synchronously. Therefore, after the material foaming is completed, the foaming operation can be performed again immediately without waiting for the material to be taken out, thereby achieving the effect of improving the foaming efficiency.

[0006] The technical solution for achieving the purpose of the present invention is: a TPX supercritical foaming device and foaming method, comprising a base, two support frames are fixedly mounted on the top wall of the base, and a receiving assembly is arranged between the two support frames, and the receiving assembly includes:

[0007] A rotating circle is provided between the two support frames, a support column is provided inside the rotating circle, and connecting shafts are fixedly installed at both ends of the support column, and the two connecting shafts are rotatably installed inside the two support frames respectively;

[0008] There are multiple kettle bodies, and the multiple kettle bodies are fixedly mounted on the side wall of the support column at equal distances around the circumference. The side wall of the rotating circle is provided with multiple connecting grooves, and the multiple connecting grooves are respectively aligned with the multiple kettle bodies;

[0009] A sealing assembly is provided between the two support frames, and the sealing assembly includes:

[0010] A fixing frame, the fixing frame is fixedly mounted on the top wall surfaces of the two supporting frames, and a hydraulic rod is fixedly mounted on the top wall surface of the fixing frame;

[0011] The kettle cover is located at the bottom of the fixed frame, the bottom end of the hydraulic rod passes through the interior of the fixed frame and is fixedly installed on the top wall of the kettle cover, the top wall of the kettle cover is fixedly installed with an air filling pipe, and the top wall of the hydraulic rod is fixedly installed with a feeding pipe;

[0012] The wall surfaces of the two supporting frames on one side away from each other are both provided with linkage components, and the wall surfaces of the two supporting frames on one side away from each other are both provided with driven components.

[0013] In certain embodiments, the linkage assembly includes:

[0014] There are two linkage grooves, both of which are opened on the side wall of the support frame and are parallel to each other. Sliding bars are slidably installed inside the two linkage grooves;

[0015] The driving rod is slidably mounted on the side wall of the support frame, and the top end of the driving rod is fixedly mounted on the bottom end of the adjacent sliding bar.

[0016] In some embodiments, the linkage assembly further comprises:

[0017] A positioning rod, which is also slidably mounted on the side wall of the support frame, with the top end of the positioning rod fixedly mounted on the bottom of the adjacent sliding bar;

[0018] A pressing bar is fixedly mounted on the bottom end of a side wall near the driving rod and the positioning rod.

[0019] In certain embodiments, the driven assembly includes:

[0020] A linkage gear, the linkage gear being fixedly mounted on a side wall of an adjacent connecting shaft;

[0021] Tooth grooves, wherein there are a plurality of tooth grooves, and the plurality of tooth grooves are provided on a side wall of the driving rod close to the linkage gear;

[0022] A tooth plate is slidably mounted inside the driving rod, and a plurality of tooth blocks are fixedly mounted on the side wall of the tooth plate, and the tooth blocks are slidably mounted inside the tooth grooves;

[0023] an extension spring, wherein two ends of the extension spring are respectively fixedly connected to the inner side wall of the driving rod and the side wall of the tooth plate;

[0024] A pushing block is slidably mounted on the inner side wall of the driving rod, the wall surface of the pushing block close to the tooth plate is inclined, and a positioning strip is fixedly mounted on the bottom wall of the pushing block, and the positioning strip is also slidably mounted inside the driving rod;

[0025] The accommodating groove is arranged on a side wall of the driving rod close to the supporting frame. Two push plates are slidably installed inside the accommodating groove, and the two push plates are fixedly installed on the side wall of the supporting frame.

[0026] In some embodiments, a material clamping assembly is provided on the side walls of the two support frames, and the material clamping assembly includes:

[0027] A sliding groove is provided on the side wall of the support frame, a sliding plate is slidably installed inside the sliding groove, and a clamping plate is fixedly installed on the side wall of the sliding plate;

[0028] A return spring, wherein the return spring is fixedly mounted on the side wall of the support frame, and an end of the return spring away from the support frame is fixedly mounted on the side wall of the clamping plate;

[0029] There are two guide plates, both of which are fixedly mounted on the bottom wall of the sliding plate, a reset spring is located between the two guide plates, and two guide grooves are provided on the side wall of the support frame, and the guide plates are slidably mounted inside the guide grooves.

[0030] In some embodiments, the end of the sliding groove close to the rotating circle is inclined, the end of the sliding plate close to the rotating circle is also inclined, the return spring is distributed in an inclined shape, and the side wall of the guide plate is inclined.

[0031] In certain embodiments, the sealing assembly further comprises:

[0032] The mounting frame is fixedly mounted on the side walls of the two support frames, a receiving tube is fixedly mounted on the side walls of the mounting frame, the interior of the receiving tube is filled with a release agent, a nozzle is fixedly mounted on the output end of the receiving tube, the end of the nozzle away from the receiving tube is aligned with the adjacent connecting groove, and an atomizing nozzle is fixedly mounted on the end of the nozzle away from the receiving tube.

[0033] In some embodiments, the receiving assembly further comprises:

[0034] There are two reinforcement rings, which are fixedly mounted on the inner side walls of the rotating ring at one end away from each other. The inner side walls of the two reinforcement rings are fixedly mounted with multiple reinforcement rods, which are fixedly mounted on the side walls of the support columns.

[0035] In some embodiments, a limiting slide bar is fixedly mounted on the inner side wall of the driving rod, and the limiting slide bar slides through the side wall of the tooth plate.

[0036] A foaming method of a TPX supercritical foaming device comprises the following steps:

[0037] Step 1: By controlling the hydraulic rod to move the kettle cover downward and fit tightly against the side wall of the rotating circle, the material to be foamed is added to the inside of the kettle cover through the feeding pipe, and supercritical fluid is added to the inside of the kettle cover through the air adding pipe to make the material foam inside the kettle body and the kettle cover;

[0038] Step 2: After the foaming is completed, the kettle cover is controlled by the hydraulic rod to move upward to the top, and then the kettle cover is controlled to move downward. During the downward movement of the kettle cover, the linkage component and the driven component cooperate with each other to rotate the rotating circle to a certain angle, and the adjacent kettle body is rotated to the bottom of the kettle cover. The kettle cover moves downward and fits tightly with the side wall of the rotating circle;

[0039] Step 3: When the foamed material moves to the position aligned with the clamping assembly, and the kettle cover moves upward, the clamping assembly clamps the side wall of the material and pulls the material downward. When the kettle cover moves downward, the clamping assembly returns to its original position and no longer clamps the side wall of the material, making it easier to remove the material.

[0040] Step 4: When the kettle body after removing the material moves to a position aligned with the nozzle as the rotating circle rotates, the mold release agent is sprayed to the inside of the kettle body through the atomizing nozzle to facilitate the clamping component to remove the material from the inside of the kettle body.

[0041] Compared with the prior art, the present invention has the following significant advantages:

[0042] First, the present invention adds foaming material to the interior of the kettle body through a feeding pipe, and injects supercritical fluid into the interior of the kettle body through an air adding pipe, so that the material undergoes a foaming process inside the kettle cover and the kettle body. After foaming is completed, the output end of the hydraulic rod is controlled to drive the hydraulic rod to move upward, and the linkage component moves together with the kettle cover, so that the material is completely exposed, and at the same time, the driven component is in a meshing state. When the linkage component moves downward, the driven component drives the rotating circle to rotate a certain angle, so that the kettle cover and the kettle body are staggered, completing the replacement of the kettle body. The rotating circle is driven to rotate and the kettle body is replaced synchronously by the up and down movement of the kettle cover. Therefore, after the foaming of the material is completed, the foaming operation can be performed again immediately without waiting for the material to be taken out, thereby significantly improving the foaming efficiency; solving the problem of low foaming efficiency of the existing foaming device.

[0043] Secondly, in the present invention, when the linkage assembly moves upward, the pressing bar will cause the two clamping assemblies to move toward the adjacent side, clamping the foamed material inside the kettle body, and the side walls of the sliding groove and the sliding plate both have a section that is inclined, and the reset spring is distributed in an inclined shape, so under the pull of the reset spring, the side wall of the sliding plate will fit with the inner wall of the sliding groove, and the clamping plate will therefore deviate downward, and the material clamped by the clamping plate will detach from the interior of the kettle body during the process of the clamping plate deviating downward, thereby achieving the effect of facilitating material removal.

[0044] Thirdly, the present invention aligns the end of the nozzle away from the accommodating cylinder with the connecting groove, so that the atomizing nozzle on the nozzle can evenly apply the release agent inside the accommodating cylinder to the inside of the kettle body, making it easy to take out the foamed material inside the kettle body.

[0045] Fourthly, the present invention supports the inner wall of the rotating circle through the cooperation between the reinforcing ring and the reinforcing rod, thereby improving the strength of the rotating circle and reducing the possibility of deformation of the rotating circle.

[0046] Fifth: The present invention allows the limiting slide bar to slide through the side wall of the tooth plate, so that the limiting slide bar limits the sliding range of the tooth plate, thereby ensuring the stability of the tooth plate when sliding, and avoiding the tooth plate from being misaligned, resulting in the tooth block being unable to fit into the interior of the tooth groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] The present invention will be further explained below in conjunction with the accompanying drawings and examples:

[0048] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the present invention;

[0049] Figure 2 This is a three-dimensional schematic diagram of the overall structure of the rotating ring of the present invention;

[0050] Figure 3 It is a schematic diagram of the internal structure of the sliding groove and the guide groove of the present invention;

[0051] Figure 4 This is a schematic diagram of the gear block in the retracted state of the present invention;

[0052] Figure 5 This is a schematic diagram of the tooth block in the extended state of the present invention;

[0053] Figure 6 This invention Figure 4 A in the middle is an enlarged schematic diagram;

[0054] Figure 7 This invention Figure 5 The enlarged schematic diagram of point B in the middle;

[0055] Figure 8 It is a partial three-dimensional schematic diagram of the support frame of the present invention;

[0056] Figure 9 It is a stereoscopic schematic diagram of the overall structure of the present invention from a second viewing angle.

[0057] Description of reference numerals:

[0058] 1. Base; 2. Support frame; 31. Rotating circle; 32. Support column; 33. Reinforcement ring; 34. Reinforcement rod; 35. Connecting groove; 36. Kettle body; 37. Connecting shaft; 41. Fixed frame; 42. Hydraulic rod; 43. Kettle cover; 44. Gas pipe; 45. Feeding pipe; 46. Mounting frame; 47. Accommodating cylinder; 48. Nozzle; 49. Atomizing nozzle; 51. Sliding groove; 52. Sliding plate; 53. Clamping plate; 54. Return spring; 55. Guide groove; 56. Guide plate; 61. Linking gear; 62. Tooth groove; 63. Tooth plate; 64. Tooth block; 65. Extension spring; 66. Push block; 67. Accommodating groove; 68. Push plate; 69. Positioning bar; 7. Limiting slide bar; 81. Linking groove; 82. Sliding bar; 83. Drive rod; 84. Positioning rod; 85. Pressing bar. DETAILED DESCRIPTION

[0059] The present invention is described in detail below, clearly and completely describing the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0060] The present invention provides a TPX supercritical foaming device and foaming method through improvement. The technical solution of the present invention is:

[0061] like Figures 1-9As shown, a TPX supercritical foaming device includes a base 1, two support frames 2 are fixedly installed on the top wall of the base 1, and a receiving assembly is provided between the two support frames 2, and the receiving assembly includes a rotating ring 31, a kettle body 36 and a reinforcement ring 33; the rotating ring 31 is hollow cylindrical, and is arranged between the two support frames 2. A support column 32 is provided inside the rotating ring 31, and a connecting shaft 37 is fixedly installed at both ends of the support column 32. The two connecting shafts 37 are rotatably installed inside the two support frames 2 respectively; there are a plurality of kettle bodies 36, and the plurality of kettle bodies 36 are fixedly installed on the side walls of the support columns 32 at equal distances around the circumference. A plurality of connecting grooves 35 are opened on the side walls of the rotating ring 31, and the plurality of connecting grooves 35 are respectively aligned with the plurality of kettle bodies 36; There are two reinforcement rings 33, which are fixedly mounted on the inner side walls of the rotating ring 31 at one end away from each other. The inner side walls of the two reinforcement rings 33 are fixedly mounted with multiple reinforcement rods 34, and the reinforcement rods 34 are fixedly mounted on the side walls of the support columns 32; the inner side walls of the rotating ring 31 are supported by the mutual cooperation of the reinforcement rings 33 and the reinforcement rods 34, thereby improving the strength of the rotating ring 31 and reducing the possibility of deformation of the rotating ring 31; a sealing assembly is provided between the two support frames 2, and the sealing assembly includes a fixing frame 41, a kettle cover 43 and a mounting frame 46; the fixing frame 41 is fixedly mounted on the top wall of the two support frames 2, and a hydraulic rod 42 is fixedly mounted on the top wall of the fixing frame 41; the kettle cover 43 is located at the bottom of the fixing frame 41, and the hydraulic rod 42 The bottom end passes through the interior of the fixing frame 41 and is fixedly installed on the top wall of the kettle cover 43. The top wall of the kettle cover 43 is fixedly installed with an air filling pipe 44, and the top wall of the hydraulic rod 42 is fixedly installed with a feeding pipe 45; the mounting frame 46 is fixedly installed on the side walls of the two support frames 2, and a receiving cylinder 47 is fixedly installed on the side wall of the mounting frame 46. The interior of the receiving cylinder 47 is filled with a release agent, and a nozzle 48 is fixedly installed on the output end of the receiving cylinder 47. The end of the nozzle 48 away from the receiving cylinder 47 is aligned with the adjacent connecting groove 35, and the end of the nozzle 48 away from the receiving cylinder 47 is fixedly installed with an atomizing nozzle 49; by aligning the end of the nozzle 48 away from the receiving cylinder 47 with the connecting groove 35, the atomizing nozzle 49 on the nozzle 48 can spray the inside of the receiving cylinder 47 with atomizing nozzles. The release agent is evenly applied to the inside of the kettle body 36, which facilitates the removal of the foamed material inside the kettle body 36; the side walls of the two support frames 2 that are away from each other are provided with a linkage assembly, which includes a linkage groove 81, a driving rod 83, a positioning rod 84 and a pressing bar 85; there are two linkage grooves 81, both of which are opened on the side wall of the support frame 2, and the two linkage grooves 81 are parallel to each other, and the inside of the two linkage grooves 81 are slidably installed with a sliding bar 82; the driving rod 83 is slidably installed on the side wall of the support frame 2, and the top end of the driving rod 83 is fixedly installed on the bottom of the adjacent sliding bar 82; the positioning rod 84 is also slidably installed on the side wall of the support frame 2, and the top end of the positioning rod 84 is fixedly installed on the bottom of the adjacent sliding bar 82;The pressing bar 85 is fixedly mounted on the bottom end of the side wall near the driving rod 83 and the positioning rod 84; the side walls away from the two support frames 2 are each provided with a driven assembly, which includes a linkage gear 61, a tooth groove 62, a tooth plate 63, an extension spring 65, a push block 66 and a receiving groove 67; the linkage gear 61 is fixedly mounted on the side wall of the adjacent connecting shaft 37; there are a plurality of tooth grooves 62, and a plurality of tooth grooves 62 are opened on the side wall of the driving rod 83 near the linkage gear 61; the tooth plate 63 is slidably mounted on the inside of the driving rod 83, and a plurality of tooth blocks 64 are fixedly mounted on the side wall of the tooth plate 63, and the tooth blocks 64 are slidably mounted on the inside of the tooth groove 62; the two ends of the extension spring 65 are respectively fixedly connected to the inner side wall of the driving rod 83 and the tooth groove The push block 66 is slidably mounted on the inner side wall of the driving rod 83, and the wall surface of the pushing block 66 close to the tooth plate 63 is inclined. The bottom wall surface of the pushing block 66 is fixedly mounted with a positioning strip 69, and the positioning strip 69 is also slidably mounted on the inside of the driving rod 83; the accommodating groove 67 is opened on the wall surface of the side of the driving rod 83 close to the support frame 2, and two push plates 68 are slidably mounted inside the accommodating groove 67, and the two push plates 68 are fixedly mounted on the side wall of the support frame 2; the output end of the hydraulic rod 42 is extended to make the kettle cover 43 tightly cover the top of the kettle body 36, and then the foaming material is added to the inside of the kettle body 36 through the feeding pipe 45, and the supercritical fluid is added to the inside of the kettle body 36 through the gas adding pipe 44, so that the material is in the kettle. The cover 43 and the interior of the kettle body 36 undergo a foaming process. After the foaming is completed, the output end of the hydraulic rod 42 is controlled to drive the hydraulic rod 42 to move upward, and the linkage assembly moves together with the kettle cover 43, so that the material is completely exposed. At this time, the push plate 68 slides inside the accommodating groove 67. The push plate 68 at the top pushes the push block 66 to move downward, and the push block 66 pushes the tooth plate 63 and the tooth block 64 to extend outward, so that the tooth block 64 protrudes outward and engages with the linkage gear 61. Then the output end of the hydraulic rod 42 is controlled to move downward, and the linkage assembly moves downward. The tooth block 64 inside the drive rod 83 drives the linkage gear 61 and the rotating circle 31 to rotate. According to the number of kettle bodies 36, the rotating circle 31 is rotated by a corresponding angle. This solution utilizes four kettle bodies 36. Therefore, when the rotating ring 31 rotates 90 degrees toward the side away from the mounting bracket 46, the receiving groove 67 at the bottom pushes the positioning bar 69 upward. Under the elastic force of the extension spring 65, the tooth block 64 is completely retracted into the tooth groove 62, and the tooth block 64 no longer engages with the linkage gear 61. When the kettle cover 43 drives the drive rod 83 upward, the rotating ring 31 does not rotate with the movement of the kettle cover 43, ensuring that the rotating ring 31 can only rotate in one direction. The upward and downward movement of the kettle cover 43 rotates the rotating ring 31 and simultaneously replaces the kettle body 36. Therefore, after the material foaming is completed, the foaming operation can be resumed, eliminating the need to remove the material before the foaming operation, thereby improving foaming efficiency.

[0062] like Figures 1-9 As shown, in one embodiment, a clamping assembly is provided on the side walls of the two support frames 2, and the clamping assembly includes a sliding groove 51, a return spring 54 and a guide plate 56; the sliding groove 51 is opened on the side wall of the support frame 2, and the end of the sliding groove 51 close to the rotating circle 31 is inclined, and a sliding plate 52 is slidably installed inside the sliding groove 51, and the end of the sliding plate 52 close to the rotating circle 31 is also inclined, and a clamping plate 53 is fixedly installed on the side wall of the sliding plate 52; the return spring 54 is fixedly installed on the side wall of the support frame 2, and the end of the return spring 54 away from the support frame 2 is fixedly installed on the side wall of the clamping plate 53, and the return spring 54 is distributed in an inclined shape; there are two guide plates 56, and the two guide plates 56 are fixedly installed on the bottom wall of the sliding plate 52, the return spring 54 is located between the two guide plates 56, and the side wall of the guide plate 56 is inclined, and two guide grooves 55 are opened on the side wall of the support frame 2. The guide plate 56 is slidably installed on the guide plate When the linkage assembly moves downward, the return spring 54 pulls the splint 53 toward the support frame 2, so that the sliding plate 52, the splint 53 and the guide plate 56 return to their original positions, making it easier for the material inside the kettle body 36 to fall.

[0063] like Figure 4-Figure 7 As shown, in one embodiment, a limiting slide bar 7 is fixedly installed on the inner side wall of the driving rod 83, and the limiting slide bar 7 slides through the side wall of the tooth plate 63; by sliding the limiting slide bar 7 through the side wall of the tooth plate 63, the limiting slide bar 7 limits the sliding range of the tooth plate 63, thereby ensuring the stability of the tooth plate 63 when sliding, and avoiding the tooth plate 63 from being misaligned, resulting in the tooth block 64 being unable to be stuck in the interior of the tooth groove 62.

[0064] The present invention also discloses a foaming method of a TPX supercritical foaming device, comprising the following steps:

[0065] Step 1: By controlling the hydraulic rod 42 to operate, the kettle cover 43 moves downward and fits tightly against the side wall of the rotating circle 31. Then, the material to be foamed is added to the interior of the kettle cover 43 through the feeding pipe 45. The supercritical fluid is added to the interior of the kettle cover 43 through the air adding pipe 44, so that the material foams inside the kettle body 36 and the kettle cover 43.

[0066] Step 2: After foaming is completed, the kettle cover 43 is controlled by the hydraulic rod 42 to move upward to the top, and then the kettle cover 43 is controlled to move downward. During the downward movement of the kettle cover 43, the linkage component and the driven component cooperate with each other to rotate the rotating circle 31 to a certain angle, and the adjacent kettle body 36 is rotated to the bottom of the kettle cover 43. The kettle cover 43 moves downward and fits tightly with the side wall of the rotating circle 31;

[0067] Step 3: When the foamed material moves to a position aligned with the clamping assembly, and the kettle cover 43 moves upward, the clamping assembly clamps the side wall of the material and pulls the material downward. When the kettle cover 43 moves downward, the clamping assembly returns to its original position and no longer clamps the side wall of the material, making it easier to remove the material.

[0068] Step 4: When the kettle body 36 after removing the material moves to a position aligned with the nozzle 48 as the rotating ring 31 rotates, a release agent is sprayed into the interior of the kettle body 36 through the atomizing nozzle 49 to facilitate the clamping assembly to remove the material from the interior of the kettle body 36.

[0069] The specific working method is: the output end of the hydraulic rod 42 is extended to make the kettle cover 43 tightly cover the top of the kettle body 36, and then the foaming material is added to the interior of the kettle body 36 through the feeding pipe 45, and the supercritical fluid is fed into the interior of the kettle body 36 through the gas adding pipe 44, so that the material undergoes a foaming process inside the kettle cover 43 and the kettle body 36. After the foaming is completed, the output end of the hydraulic rod 42 is controlled to drive the hydraulic rod 42 to move upward, and the linkage assembly moves with the kettle cover 43 so that the material is completely exposed. At this time, the push plate 68 slides inside the accommodating groove 67. The push plate 68 at the top will push the push block 66 to move downward, and the push block 66 pushes the tooth plate 63 and the tooth block 64 to extend outward, so that the tooth block 64 protrudes outward and meshes with the linkage gear 61. Then the output end of the hydraulic rod 42 is controlled to move downward, and the linkage assembly moves downward. The gear inside the drive rod 83 The block 64 will drive the linkage gear 61 and the rotating circle 31 to rotate, and the rotating circle 31 will rotate by a corresponding angle according to the number of kettle bodies 36. This solution adopts four kettle bodies 36, so the rotating circle 31 rotates ninety degrees to the side away from the mounting bracket 46, and the accommodating groove 67 at the bottom will push the positioning bar 69 to move upward, and under the elastic push of the extension spring 65, the tooth block 64 is completely retracted into the inside of the tooth groove 62, and the tooth block 64 is no longer engaged with the linkage gear 61. When the kettle cover 43 drives the driving rod 83 to move upward, the rotating circle 31 will not rotate with the movement of the kettle cover 43, ensuring that the rotating circle 31 can only rotate in one direction. By moving the kettle cover 43 up and down, the rotating circle 31 is rotated and the kettle body 36 is replaced at the same time. Therefore, after the material foaming is completed, the foaming operation can be performed again, and there is no need to take out the material before the foaming operation, thereby achieving the effect of improving the foaming efficiency.

[0070] The technical means disclosed in the solution of the present invention are not limited to the technical means disclosed in the above technical means, but also include technical solutions composed of equivalent replacements of the above technical features. Matters not covered in the present invention belong to the common knowledge of those skilled in the art.

Claims

1. A TPX supercritical foaming device, comprising a base (1), two support frames (2) being fixedly mounted on the top wall of the base (1), characterized in that: A receiving assembly is provided between the two support frames (2), and the receiving assembly comprises: A rotating circle (31), the rotating circle (31) being arranged between the two support frames (2), a support column (32) being arranged inside the rotating circle (31), and connecting shafts (37) being fixedly mounted at both ends of the support column (32), and the two connecting shafts (37) being rotatably mounted inside the two support frames (2) respectively; A kettle body (36), wherein there are a plurality of kettle bodies (36), and the plurality of kettle bodies (36) are fixedly mounted on the side wall of the support column (32) at equal intervals around the circumference, and a plurality of connecting grooves (35) are opened on the side wall of the rotating circle (31), and the plurality of connecting grooves (35) are respectively aligned with the plurality of kettle bodies (36); A sealing assembly is provided between the two support frames (2), and the sealing assembly comprises: A fixing frame (41), wherein the fixing frame (41) is fixedly mounted on the top wall surfaces of the two support frames (2), and a hydraulic rod (42) is fixedly mounted on the top wall surface of the fixing frame (41); A kettle cover (43), wherein the kettle cover (43) is located at the bottom of the fixed frame (41), the bottom end of the hydraulic rod (42) passes through the interior of the fixed frame (41) and is fixedly mounted on the top wall of the kettle cover (43), a gas adding pipe (44) is fixedly mounted on the top wall of the kettle cover (43), and a feeding pipe (45) is fixedly mounted on the top wall of the hydraulic rod (42); The wall surfaces of the two support frames (2) that are away from each other are both provided with linkage components, and the wall surfaces of the two support frames (2) that are away from each other are both provided with driven components; The linkage component includes: Linkage grooves (81), there are two linkage grooves (81), both linkage grooves (81) are opened on the side wall of the support frame (2), and the two linkage grooves (81) are parallel to each other, and a sliding bar (82) is slidably installed inside the two linkage grooves (81); A driving rod (83), wherein the driving rod (83) is slidably mounted on a side wall of the support frame (2), and the top end of the driving rod (83) is fixedly mounted on the bottom end of an adjacent sliding bar (82); The linkage component also includes: A positioning rod (84), the positioning rod (84) is also slidably mounted on the side wall of the support frame (2), and the top end of the positioning rod (84) is fixedly mounted on the bottom of the adjacent sliding bar (82); A pressing bar (85), the pressing bar (85) being fixedly mounted on the bottom end of a side wall adjacent to the driving rod (83) and the positioning rod (84); The driven component comprises: A linkage gear (61), wherein the linkage gear (61) is fixedly mounted on a side wall of the adjacent connecting shaft (37); Tooth grooves (62), there are a plurality of tooth grooves (62), and the plurality of tooth grooves (62) are provided on a side wall of the driving rod (83) close to the linkage gear (61); A tooth plate (63), wherein the tooth plate (63) is slidably mounted inside the driving rod (83), a plurality of tooth blocks (64) are fixedly mounted on the side wall of the tooth plate (63), and the tooth blocks (64) are slidably mounted inside the tooth grooves (62); An extension spring (65), wherein both ends of the extension spring (65) are fixedly connected to the inner side wall of the driving rod (83) and the side wall of the tooth plate (63); A push block (66), wherein the push block (66) is slidably mounted on the inner wall of the driving rod (83), and a wall surface of the push block (66) close to the tooth plate (63) is inclined. A positioning bar (69) is fixedly mounted on the bottom wall of the push block (66), and the positioning bar (69) is also slidably mounted inside the driving rod (83); The accommodating groove (67) is provided on a side wall of the driving rod (83) close to the support frame (2), and two push plates (68) are slidably installed inside the accommodating groove (67), and the two push plates (68) are fixedly installed on the side wall of the support frame (2).

2. A TPX supercritical foaming device according to claim 1, characterized in that: A material clamping assembly is provided on the side walls of the two support frames (2), and the material clamping assembly comprises: A sliding groove (51), wherein the sliding groove (51) is provided on a side wall of the support frame (2), a sliding plate (52) is slidably mounted inside the sliding groove (51), and a clamping plate (53) is fixedly mounted on the side wall of the sliding plate (52); A return spring (54), wherein the return spring (54) is fixedly mounted on the side wall of the support frame (2), and an end of the return spring (54) away from the support frame (2) is fixedly mounted on the side wall of the clamping plate (53); There are two guide plates (56), both of which are fixedly mounted on the bottom wall of the sliding plate (52), and the return spring (54) is located between the two guide plates (56). Two guide grooves (55) are provided on the side wall of the support frame (2), and the guide plates (56) are slidably mounted inside the guide grooves (55).

3. A TPX supercritical foaming device according to claim 2, characterized in that: One end of the sliding groove (51) close to the rotating circle (31) is inclined, and one end of the sliding plate (52) close to the rotating circle (31) is also inclined. The return spring (54) is distributed in an inclined shape, and the side wall of the guide plate (56) is inclined.

4. The TPX supercritical foaming device according to claim 1, characterized in that: The sealing assembly further comprises: A mounting frame (46) is fixedly mounted on the side walls of the two support frames (2), a receiving tube (47) is fixedly mounted on the side wall of the mounting frame (46), the interior of the receiving tube (47) is filled with a release agent, a nozzle (48) is fixedly mounted on the output end of the receiving tube (47), an end of the nozzle (48) away from the receiving tube (47) is aligned with the adjacent connecting groove (35), and an atomizing nozzle (49) is fixedly mounted on the end of the nozzle (48) away from the receiving tube (47).

5. The TPX supercritical foaming device according to claim 1, characterized in that: The receiving assembly further comprises: There are two reinforcement rings (33), and the two reinforcement rings (33) are respectively fixedly mounted on the inner sidewall of the rotating ring (31) at one end away from each other. The inner sidewalls of the two reinforcement rings (33) are both fixedly mounted with a plurality of reinforcement rods (34), and the reinforcement rods (34) are fixedly mounted on the sidewalls of the support columns (32).

6. The TPX supercritical foaming device according to claim 1, characterized in that: A limiting slide bar (7) is fixedly mounted on the inner side wall of the driving rod (83), and the limiting slide bar (7) slides through the side wall of the tooth plate (63).

7. A foaming method according to the TPX supercritical foaming device according to any one of claims 1 to 6, characterized in that: The following steps are involved: Step 1: By controlling the hydraulic rod (42) to work, the kettle cover (43) moves downward and fits tightly against the side wall of the rotating circle (31), and then the material to be foamed is added to the interior of the kettle cover (43) through the feeding pipe (45), and the supercritical fluid is added to the interior of the kettle cover (43) through the gas adding pipe (44), so that the material foams inside the kettle body (36) and the kettle cover (43); Step 2: After the foaming is completed, the kettle cover (43) is controlled by the hydraulic rod (42) to move upward to the top, and then the kettle cover (43) is controlled to move downward. During the downward movement of the kettle cover (43), the linkage component and the driven component cooperate with each other to rotate the rotating circle (31) to a certain angle, and the adjacent kettle body (36) is rotated to the bottom of the kettle cover (43). The kettle cover (43) moves downward and fits tightly with the side wall of the rotating circle (31); Step 3: When the foamed material moves to a position aligned with the clamping assembly, and the kettle cover (43) moves upward, the clamping assembly clamps the side wall of the material and pulls the material downward. When the kettle cover (43) moves downward, the clamping assembly returns to its original position and no longer clamps the side wall of the material, making it easier to remove the material. Step 4: When the kettle body (36) after the material is removed moves to a position aligned with the nozzle (48) as the rotating ring (31) rotates, a release agent is sprayed into the interior of the kettle body (36) through the atomizing nozzle (49), so that the clamping assembly can remove the material from the interior of the kettle body (36).

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