Double-steel-belt pressing machine with multiple pressing mechanisms

Abstract

The utility model discloses a double-steel-belt press with a plurality of pressure applying mechanisms, which relates to the technical field of processing equipment and comprises an upper steel belt mechanism, a lower steel belt mechanism, a first pressure applying mechanism, a second pressure applying mechanism and a third pressure applying mechanism. The first pressure applying mechanism comprises a first roller group and a second roller group; a first fixed roller of the first roller group and a second fixed roller of the second roller group are in rolling contact with the inner wall of the upper steel belt or the lower steel belt; the second pressure applying mechanism comprises a first chain blanket mechanism and a second chain blanket mechanism; a first chain blanket of the first chain blanket mechanism and a second chain blanket of the second chain blanket mechanism are in rolling contact with the inner wall of the upper steel belt or the lower steel belt; the third pressing mechanism comprises a first pressing plate mechanism and a second pressing plate mechanism, and a first pressing connection face of the first pressing plate mechanism and a second pressing connection face of the second pressing plate mechanism press the inner wall face of the upper steel belt or the lower steel belt. And more refined pressure machining requirements are met, and the machining effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of processing equipment, in particular to a double steel belt press with multiple pressure applying mechanisms. Background Art

[0002] The double steel belt press is a continuous press that uses two steel belts to work alternately and is used to press various plates and sheets. This press can provide greater pressure and faster speed, and the pressing time and pressure can be adjusted to meet different pressing needs. The double steel belt press has a wide range of uses. In addition to the man-made board industry, it can also be used to produce composite materials (fiber, metal, wood, plastic, etc.), flooring, melamine veneer, printed circuit boards, etc. As long as it is an industry that can be done by traditional flat presses, it can replace it.

[0003] However, the common double steel belt presses are mostly a type of pressure mechanism, such as a roller-type double steel belt press composed of two parallel rollers, or a chain blanket-type double steel belt press composed of two parallel chain blankets. The pressure provided by the above two types is not surface pressure. When composite material plates have strict requirements on pressure, the above existing double steel belt presses cannot meet production needs. Therefore, it is necessary to design a double steel belt press that can meet better processing effects. Utility Model Content

[0004] The purpose of the utility model is to provide a double steel belt press with multiple pressure mechanisms to solve the problems existing in the above-mentioned prior art, meet the needs of more refined pressure processing, and improve the processing effect.

[0005] To achieve the above purpose, the utility model provides the following solutions:

[0006] The utility model provides a double steel belt press with multiple pressure mechanisms, including an upper steel belt mechanism, a lower steel belt mechanism, a first pressure mechanism, a second pressure mechanism and a third pressure mechanism; the upper steel belt mechanism has a rotating upper steel belt, the lower steel belt mechanism has a rotating lower steel belt, the lower steel belt is located below the upper steel belt, and there is a plate gap between the upper steel belt and the lower steel belt, and the forward direction of the plate in the plate gap is a first direction; the first pressure mechanism includes a first roller group and a second roller group, the first roller group has a plurality of rotating first fixed rollers, each of the first fixed rollers is used for rolling contact with the inner wall of the upper steel belt, the second roller group has a plurality of rotating second fixed rollers, each of the second fixed rollers is used for rolling contact with the inner wall of the lower steel belt; the second pressure mechanism includes a first chain blanket mechanism and a second chain blanket mechanism The first chain blanket mechanism comprises a rotating first chain blanket, which is used for rolling contact with the inner wall of the upper steel belt, and the second chain blanket mechanism comprises a rotating second chain blanket, which is used for rolling contact with the inner wall of the lower steel belt; the third pressing mechanism comprises a first pressing plate mechanism and a second pressing plate mechanism, the first pressing plate mechanism has a first pressing surface, which is used for pressing against the inner wall of the upper steel belt, and the second pressing plate mechanism has a second pressing surface, which is used for pressing against the inner wall of the lower steel belt; the first roller group, the first chain blanket mechanism and the first pressing plate mechanism are sequentially arranged along the first direction in the space enclosed by the upper steel belt; the second roller group, the second chain blanket mechanism and the second pressing plate mechanism are correspondingly sequentially arranged along the first direction in the space enclosed by the lower steel belt.

[0007] Preferably, the first pressure mechanism, the second pressure mechanism and the third pressure mechanism are all provided with heat exchange devices, the first pressure mechanism is used for pre-pressing and preheating the plates in the gap between the plates, the second pressure mechanism is used for pressurizing and heating the plates in the gap between the plates, and the third pressure mechanism is used for pressurizing and cooling the plates in the gap between the plates.

[0008] Preferably, it also includes a frame, two front steel belt traction rollers rotatably arranged at the upper and lower positions of the front end of the frame, and two rear steel belt traction rollers rotatably arranged at the upper and lower positions of the rear end of the frame; the upper steel belt sleeve is arranged on the front steel belt traction roller and the rear steel belt traction roller at the upper part, and the lower steel belt sleeve is arranged on the front steel belt traction roller and the rear steel belt traction roller at the lower part.

[0009] Preferably, the first pressing plate mechanism and the second pressing plate mechanism are symmetrical in structure up and down; the first pressing plate mechanism includes a third fixed frame, a third lifting mechanism and a sliding pressing plate, the third fixed frame is used to be fixedly connected to the frame, the third lifting mechanism is fixed on the third fixed frame, the output end of the third lifting mechanism is fixedly connected to the sliding pressing plate, and the side of the sliding pressing plate away from the third lifting mechanism is used to be pressed with the inner wall of the upper steel belt.

[0010] Preferably, the third lifting mechanism is further provided with a guiding mechanism, and the guiding mechanism is used to enable the third lifting mechanism to move along a fixed direction.

[0011] Preferably, the first pressing plate mechanism and the second pressing plate mechanism are symmetrical in structure; the first pressing plate mechanism includes a fourth fixing frame, a fourth lifting mechanism and a fourth pressing plate, the fourth fixing frame is used to be fixedly connected to the frame, the output end of the fourth lifting mechanism can drive part of the fourth pressing plate to move up and down, the fourth pressing plate has a pressing plate groove, the opening of the pressing plate groove can be closed by the inner wall of the upper steel belt, and heat transfer oil flows in the pressing plate groove; a sealing member is provided at one end of the fourth pressing plate close to the inner wall of the upper steel belt and around the ring of the opening of the pressing plate groove.

[0012] Preferably, the fourth pressure plate includes a base, a heat insulation plate, a flow channel plate and a static pressure sealing plate, the base is fixed on the fourth pressure plate, and the heat insulation plate, the flow channel plate and the static pressure sealing plate are arranged between the fourth pressure plate and the inner wall of the upper steel belt from top to bottom, the heat insulation plate, the flow channel plate and the static pressure sealing plate are fixedly connected in sequence, the inner cavity of the flow channel plate and the static pressure sealing plate jointly form the pressure plate groove, and the sealing member is provided at one end of the static pressure sealing plate close to the upper steel belt.

[0013] Compared with the prior art, the utility model has achieved the following technical effects:

[0014] The double steel belt press with multiple pressure mechanisms provided by the utility model realizes gradual pressing of the plate between the upper steel belt and the lower steel belt by sequentially passing through a first pressure mechanism with fixed roller pressure, a second pressure mechanism with chain blanket type and a third pressure mechanism capable of surface pressure. The pressing is more uniform and the pressing effect of the finished product is good. It can meet more refined pressure processing needs, reduce the difficulty of each pressing pass, and improve the processing effect.

[0015] Furthermore, the first pressure mechanism is used to achieve pre-pressing and preheating, the second pressure mechanism is used to achieve pressurized heating, and the third pressure mechanism is used to achieve pressure-maintaining cooling. The pre-pressing and preheating are performed first, which can shorten the subsequent heating time of the plate, improve the heat utilization rate, and reduce the pressure of the subsequent first and second pressure mechanisms, thereby reducing the difficulty of continuous manufacturing and the power required, increasing the pressing speed, and greatly improving production efficiency.

[0016] Furthermore, the entire press is formed by a frame and two front steel belt traction rollers and two rear steel belt traction rollers. The structure is simple, and the installation and fixation of each pressing mechanism are convenient, thereby ensuring the pressing effect.

[0017] Furthermore, the first pressing plate mechanism adopts the contact and extrusion mode of the sliding pressing plate directly sliding and rubbing with the corresponding inner wall of the upper steel strip to adjust the extrusion degree of the upper steel strip. The structure is simple, stable and reliable.

[0018] Furthermore, the setting of the guide mechanism can ensure that the third lifting mechanism stably drives the sliding pressure plate to rise and fall so as to exert pressure on the upper steel belt.

[0019] Furthermore, the first pressing plate mechanism can also adopt an isostatic pressing mechanism formed by heat transfer oil and pressing plate grooves, so as to ensure uniform pressing effect at each position of the corresponding upper steel belt area. It can accurately adjust the pressure in real time during continuous production, so that the pressure value on the pressing surface of the plate is continuously equal and the thickness difference of the finished product is small.

[0020] Furthermore, a fourth pressure plate is formed by using a heat insulation plate, a flow channel plate and a static pressure sealing plate. The heat insulation plate can block heat loss, the flow channel plate is used for the inflow and outflow of heat transfer oil, and the static pressure sealing plate is used to achieve sealing between it and the inner wall of the upper steel belt. It has a simple structure and good heat conduction and pressing effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 The overall structural diagram of the double steel belt press with multiple pressure applying mechanisms provided by the utility model;

[0023] Figure 2 A front view of a double steel belt press with multiple pressure applying mechanisms provided by the utility model;

[0024] Figure 3An axonometric diagram of a first pressing mechanism in a double steel belt press having multiple pressing mechanisms provided by the utility model;

[0025] Figure 4 A front view of a first pressing mechanism of a double steel belt press having multiple pressing mechanisms provided by the utility model;

[0026] Figure 5 An axonometric diagram of the second pressing mechanism in the double steel belt press with multiple pressing mechanisms provided by the utility model;

[0027] Figure 6 A front view of the second pressing mechanism of the double steel belt press with multiple pressing mechanisms provided by the utility model;

[0028] Figure 7 An axonometric diagram of a structure of the third pressing mechanism in the double steel belt press with multiple pressing mechanisms provided by the utility model;

[0029] Figure 8 for Figure 7 A front view of

[0030] Fig. 9 An axonometric diagram of another structure of the third pressing mechanism in the double steel belt press with multiple pressing mechanisms provided by the utility model;

[0031] Fig.10 for Fig. 9 Front view of .

[0032] In the figure: 100 - a double steel belt press having a plurality of pressing mechanisms;

[0033] 10-first pressure mechanism; 11-first roller group; 111-first fixed frame; 112-first lifting mechanism; 113-pressing plate; 114-first fixed roller; 12-second roller group;

[0034] 20-second pressure mechanism; 21-first chain carpet mechanism; 211-second fixed frame; 212-movable plate; 213-second lifting mechanism; 214-needle chain carpet; 215-driving sprocket; 216-driven sprocket; 217-retractor; 22-second chain carpet mechanism;

[0035] 30- third pressure mechanism;

[0036] 40-first pressing plate mechanism; 41-third fixing frame; 42-third lifting mechanism; 43-sliding pressing plate; 44-fourth fixing frame; 45-fourth lifting mechanism; 46-fourth pressing plate; 461-base; 462-insulating plate; 463-flow channel plate; 464-static pressure sealing plate; 47-heat transfer oil inlet; 48-heat transfer oil outlet;

[0037] 50- second pressing plate mechanism;

[0038] 60-frame; 61-upper steel belt; 62-lower steel belt; 63-plate gap; 64-front steel belt traction roller; 65-rear steel belt traction roller;

[0039] 70-Guide mechanism. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0041] The purpose of the utility model is to provide a double steel belt press with multiple pressure mechanisms to solve the problems existing in the prior art, meet the needs of more refined pressure processing, and improve the processing effect.

[0042] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0043] Embodiment 1

[0044] This embodiment provides a double steel belt press 100 having multiple pressure applying mechanisms, such as Figures 1 to 10As shown, it includes an upper steel belt 61 mechanism, a lower steel belt 62 mechanism, a first pressure mechanism 10, a second pressure mechanism 20 and a third pressure mechanism 30; the upper steel belt 61 mechanism has a rotating upper steel belt 61, the lower steel belt 62 mechanism has a rotating lower steel belt 62, the lower steel belt 62 is located below the upper steel belt 61, and there is a plate gap 63 between the upper steel belt 61 and the lower steel belt 62, and the forward direction of the plate in the plate gap 63 is a first direction; the first pressure mechanism 10 includes a first roller group 11 and a second roller group 12, the first roller group 11 has a plurality of rotating first fixed rollers 114, each of which is used for rolling contact with the inner wall of the upper steel belt 61, and the second roller group 12 has a plurality of rotating second fixed rollers, each of which is used for rolling contact with the inner wall of the lower steel belt 62; the second pressure mechanism 20 includes a first chain blanket mechanism 21 and a second roller group 12. The second chain carpet mechanism 22, the first chain carpet mechanism 21 has a rotating first chain carpet, the first chain carpet is used for rolling contact with the inner wall of the upper steel belt 61, the second chain carpet mechanism 22 has a rotating second chain carpet, the second chain carpet is used for rolling contact with the inner wall of the lower steel belt 62; the third pressure mechanism 30 includes a first pressing plate mechanism 40 and a second pressing plate mechanism 50, the first pressing plate mechanism 40 has a first pressing surface, the first pressing surface is used for pressing with the inner wall of the upper steel belt 61, the second pressing plate mechanism 50 has a second pressing surface, the second pressing surface is used for pressing with the inner wall of the lower steel belt 62; the first roller group 11, the first chain carpet mechanism 21 and the first pressing plate mechanism 40 are arranged in sequence along the first direction in the space enclosed by the upper steel belt 61; the second roller group 12, the second chain carpet mechanism 22 and the second pressing plate mechanism 50 are correspondingly arranged in sequence along the first direction in the space enclosed by the lower steel belt 62.

[0045] The plate between the upper steel belt 61 and the lower steel belt 62 is gradually pressed by sequentially passing through a first pressing mechanism 10 with a fixed roller pressing type, a second pressing mechanism 20 with a chain blanket type, and a third pressing mechanism 30 capable of surface pressing. The pressing is more uniform and the pressing effect of the finished product is good. It can meet more refined pressure processing requirements, reduce the difficulty of each pressing step, and improve the processing effect.

[0046] In the optional scheme of this embodiment, it is more preferred that the first pressure mechanism 10, the second pressure mechanism 20 and the third pressure mechanism 30 are all provided with heat exchange devices, the first pressure mechanism 10 is used for pre-pressing and preheating the plate in the plate gap 63, the second pressure mechanism 20 is used for pressurizing and heating the plate in the plate gap 63, and the third pressure mechanism 30 is used for pressurizing and cooling the plate in the plate gap 63. The first pressure mechanism 10 is used to realize pre-pressing and preheating, the second pressure mechanism 20 is used to realize pressurizing and heating, and the third pressure mechanism 30 is used to realize pressurizing and cooling. The pre-pressing and preheating are performed first, which can shorten the subsequent heating time of the plate, improve the heat utilization rate, reduce the pressure of the subsequent first pressure mechanism 10 and the second pressure mechanism 20, reduce the difficulty of continuous manufacturing and the required power, increase the pressing speed, and greatly improve the production efficiency.

[0047] For fixing the upper steel belt 61 and the lower steel belt 62:

[0048] Among the optional solutions of this embodiment, it is more preferred that Figure 1 and Figure 2 As shown, the double steel belt press 100 with multiple pressing mechanisms also includes a frame 60, two front steel belt pulling rollers 64 rotatably arranged at the upper and lower positions of the front end of the frame 60, and two rear steel belt pulling rollers 65 rotatably arranged at the upper and lower positions of the rear end of the frame 60; the upper steel belt 61 is sleeved on the upper front steel belt pulling roller 64 and the rear steel belt pulling roller 65, and the lower steel belt 62 is sleeved on the lower front steel belt pulling roller 64 and the rear steel belt pulling roller 65. The whole press is formed by the frame 60 and the two front steel belt pulling rollers 64 and the two rear steel belt pulling rollers 65, and its structure is simple, which facilitates the installation and fixation of each pressing mechanism and ensures the pressing effect.

[0049] Specifically, a driver may be provided on the front steel belt traction roller 64 and / or the rear steel belt traction roller 65 as required.

[0050] Regarding the structure of the first pressure applying mechanism 10:

[0051] like Figure 3 and Figure 4 As shown, the first roller group 11 and the second roller group 12 in the first pressure mechanism 10 are symmetrical in structure. Taking the first roller group 11 as an example to introduce its structural composition, the first roller group 11 includes a first fixed frame 111, a plurality of first lifting mechanisms 112 and a pressure plate 113. The first fixed frame 111 is used to be fixedly connected to the frame 60, one end of each first lifting mechanism 112 is fixedly connected to the first fixed frame 111, and the telescopic end of each first lifting mechanism 112 is fixedly connected to the pressure plate 113. The telescopic end of each first lifting mechanism 112 can drive the pressure plate 113 to move toward or away from the corresponding pressing upper steel belt 61, and a plurality of first fixed rollers 114 are rotatably arranged on the side of the pressure plate 113 away from the first lifting mechanism 112.

[0052] Specifically, the heat exchange device of the first roller group 11 can be a heat transfer oil method of the same type conventionally used, such as a heat transfer oil chamber is provided in the first fixed roller 114, and heat transfer oil flows in the chamber; or a far-infrared lamp can be provided between two adjacent first fixed rollers 114, and heating is achieved by far-infrared waves radiated by the far-infrared lamp.

[0053] Regarding the structure of the second pressure applying mechanism 20:

[0054] like Figure 5 and Figure 6As shown, the first chain carpet mechanism 21 and the second chain carpet mechanism 22 in the second pressure mechanism 20 are symmetrical structures in an upper and lower direction. Taking the first chain carpet mechanism 21 as an example to introduce its structural composition, the first chain carpet mechanism 21 includes a second fixed frame 211, a movable plate 212, a plurality of second lifting mechanisms 213 and a needle chain carpet 214. The second fixed frame 211 is used to be fixedly connected to the frame 60. The movable plate 212 is located below the second fixed frame 211. One end of each second lifting mechanism 213 is fixedly connected to the second fixed frame 211, and the telescopic end of each second lifting mechanism 213 is fixedly connected to the movable plate 212. A driving sprocket 215 is provided on both sides of the upper end of the second fixed frame 211 for rotation along the first direction. A driven sprocket 216 is provided on both ends of the movable plate 212 for rotation along the second direction. The needle chain carpet 214 is sleeved on the outside of the two driving sprockets 215 and the two driven sprockets 216.

[0055] Specifically, the driving sprocket 215 is transmission-connected with a driver.

[0056] Specifically, the structure of the needle chain blanket 214 may be the same as the existing structure of the same type, and will not be described in detail here.

[0057] Specifically, the heat exchange device of the first chain carpet mechanism 21 may be a heat transfer oil cavity provided in the movable plate 212, in which heat transfer oil flows; or heating pipes may be evenly buried in the movable plate 212 to achieve a rapid heating effect.

[0058] Specifically, the two driving sprockets 215 on the second fixing frame 211 may be provided with a retractor 217 , and the retractor 217 drives the driving sprockets 215 to adjust the tension of the needle roller chain blanket 214 .

[0059] Regarding the structure of the third pressure mechanism 30:

[0060] Among the optional solutions of this embodiment, it is more preferred that Figure 1 , Figure 2 , Figure 7 and Figure 8 As shown, the first pressing plate mechanism 40 and the second pressing plate mechanism 50 are symmetrical in structure; the first pressing plate mechanism 40 includes a third fixing frame 41, a third lifting mechanism 42 and a sliding pressing plate 43, the third fixing frame 41 is used to be fixedly connected to the frame 60, the third lifting mechanism 42 is fixedly arranged on the third fixing frame 41, the output end of the third lifting mechanism 42 is fixedly connected to the sliding pressing plate 43, and the side of the sliding pressing plate 43 away from the third lifting mechanism 42 is used to press the inner wall of the upper steel belt 61. The first pressing plate mechanism 40 adopts the contact and extrusion mode of the sliding pressing plate 43 directly sliding and rubbing with the corresponding inner wall of the upper steel belt 61 to adjust the extrusion degree of the upper steel belt 61, and its structure is simple, stable and reliable.

[0061] Among the optional solutions of this embodiment, it is more preferred that Figure 7 As shown, the third lifting mechanism 42 is also provided with a guide mechanism 70, which is used to move the third lifting mechanism 42 along a fixed direction. The setting of the guide mechanism 70 can ensure that the third lifting mechanism 42 stably drives the sliding plate 43 to rise and fall to achieve the pressure application on the upper steel belt 61.

[0062] Among the optional solutions of this embodiment, it is more preferred that Fig. 9 and Fig.10 As shown, the first pressing plate mechanism 40 and the second pressing plate mechanism 50 are symmetrical in structure; the first pressing plate mechanism 40 includes a fourth fixing frame 44, a fourth lifting mechanism 45 and a fourth pressing plate 46, the fourth fixing frame 44 is used to be fixedly connected to the frame 60, the output end of the fourth lifting mechanism 45 can drive part of the fourth pressing plate 46 to move up and down, the fourth pressing plate 46 has a pressing plate groove, the opening of the pressing plate groove can be closed by the inner wall of the upper steel belt 61, and heat transfer oil flows in the pressing plate groove; a sealing member is provided at one end of the fourth pressing plate 46 close to the inner wall of the upper steel belt 61 and around the opening of the pressing plate groove. The first pressing plate mechanism 40 can also adopt an isostatic pressure mechanism formed by heat transfer oil and a pressing plate groove, so as to ensure that the corresponding upper steel belt 61 area can achieve a uniform pressing effect at each position, which can accurately adjust the pressure in real time during continuous production, so that the pressure value of the pressing surface of the plate is continuous and uniform, and the thickness difference of the finished product is small.

[0063] Among the optional solutions of this embodiment, it is more preferred that Fig. 9 and Fig.10 As shown, the fourth pressure plate 46 includes a base 461, a heat insulation plate 462, a flow channel plate 463 and a static pressure sealing plate 464. The base 461 is fixed on the fourth pressure plate 46. The heat insulation plate 462, the flow channel plate 463 and the static pressure sealing plate 464 are arranged between the fourth pressure plate 46 and the inner wall of the upper steel belt 61 from top to bottom. The heat insulation plate 462, the flow channel plate 463 and the static pressure sealing plate 464 are fixedly connected in sequence. The inner cavity of the flow channel plate 463 and the static pressure sealing plate 464 jointly form a pressure plate groove. A sealing member is provided at one end of the static pressure sealing plate 464 close to the upper steel belt 61. The fourth pressure plate 46 is formed by a heat insulation plate 462, a flow channel plate 463 and a static pressure sealing plate 464. The heat insulation plate 462 can block heat loss, the flow channel plate 463 is used for the inflow and outflow of heat transfer oil, and the static pressure sealing plate 464 is used to achieve sealing between it and the inner wall of the upper steel belt 61. It has a simple structure and good heat conduction and pressing effects.

[0064] Specifically, the static pressure sealing plate 464 is provided with a plurality of annular sealing grooves at one end close to the upper steel belt 61 and located outside the opening of the pressure plate groove, and a sealing ring is placed in each annular sealing groove. In this case, the sealing member is a plurality of sealing rings.

[0065] Specifically, a heat transfer oil inlet 47 and a heat transfer oil outlet 48 for the heat transfer oil to enter and exit are provided on the side wall of the flow channel plate 463 .

[0066] Specifically, any first lifting mechanism 112, second lifting mechanism 213, etc. having a lifting function may use a lifting hydraulic cylinder.

[0067] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A double steel belt press with multiple pressure applying mechanisms, characterized in that: It includes an upper steel belt mechanism, a lower steel belt mechanism, a first pressure mechanism, a second pressure mechanism and a third pressure mechanism; The upper steel belt mechanism has a rotating upper steel belt, and the lower steel belt mechanism has a rotating lower steel belt, the lower steel belt is located below the upper steel belt, and there is a plate gap between the upper steel belt and the lower steel belt, and the advancing direction of the plate in the plate gap is a first direction; The first pressure mechanism comprises a first roller group and a second roller group, the first roller group comprises a plurality of rotating first fixed rollers, each of the first fixed rollers is used for rolling contact with the inner wall of the upper steel strip, and the second roller group comprises a plurality of rotating second fixed rollers, each of the second fixed rollers is used for rolling contact with the inner wall of the lower steel strip; The second pressure mechanism comprises a first chain blanket mechanism and a second chain blanket mechanism, wherein the first chain blanket mechanism comprises a rotating first chain blanket, the first chain blanket being used for rolling contact with the inner wall of the upper steel belt, and the second chain blanket mechanism comprises a rotating second chain blanket, the second chain blanket being used for rolling contact with the inner wall of the lower steel belt; The third pressing mechanism includes a first pressing plate mechanism and a second pressing plate mechanism, wherein the first pressing plate mechanism has a first pressing surface, which is used to press against the inner wall surface of the upper steel strip, and the second pressing plate mechanism has a second pressing surface, which is used to press against the inner wall surface of the lower steel strip; The first roller group, the first chain blanket mechanism and the first pressure plate mechanism are sequentially arranged in the space enclosed by the upper steel belt along the first direction; the second roller group, the second chain blanket mechanism and the second pressure plate mechanism are correspondingly sequentially arranged in the space enclosed by the lower steel belt along the first direction.

2. The double steel belt press with multiple pressure applying mechanisms according to claim 1, characterized in that: The first pressure mechanism, the second pressure mechanism and the third pressure mechanism are all provided with heat exchange devices. The first pressure mechanism is used for pre-pressing and preheating the plates in the gap between the plates, the second pressure mechanism is used for pressurizing and heating the plates in the gap between the plates, and the third pressure mechanism is used for pressurizing and cooling the plates in the gap between the plates.

3. The double steel belt press with multiple pressure applying mechanisms according to claim 1, characterized in that: It also includes a frame, two front steel belt traction rollers rotatably arranged at the upper and lower positions of the front end of the frame, and two rear steel belt traction rollers rotatably arranged at the upper and lower positions of the rear end of the frame; the upper steel belt sleeve is arranged on the upper front steel belt traction roller and the rear steel belt traction roller, and the lower steel belt sleeve is arranged on the lower front steel belt traction roller and the rear steel belt traction roller.

4. The double steel belt press with multiple pressure applying mechanisms according to claim 3, characterized in that: The first pressing plate mechanism and the second pressing plate mechanism have vertically symmetrical structures; The first pressure plate mechanism includes a third fixed frame, a third lifting mechanism and a sliding pressure plate, the third fixed frame is used to be fixedly connected to the frame, the third lifting mechanism is fixedly arranged on the third fixed frame, the output end of the third lifting mechanism is fixedly connected to the sliding pressure plate, and the side of the sliding pressure plate away from the third lifting mechanism is used to be pressed with the inner wall of the upper steel belt.

5. The double steel belt press with multiple pressure applying mechanisms according to claim 4, characterized in that: The third lifting mechanism is also provided with a guiding mechanism, and the guiding mechanism is used to enable the third lifting mechanism to move along a fixed direction.

6. The double steel belt press with multiple pressure applying mechanisms according to claim 3, characterized in that: The first pressing plate mechanism and the second pressing plate mechanism have vertically symmetrical structures; The first pressing plate mechanism comprises a fourth fixing frame, a fourth lifting mechanism and a fourth pressing plate, wherein the fourth fixing frame is used to be fixedly connected to the frame, the output end of the fourth lifting mechanism can drive part of the fourth pressing plate to move up and down, the fourth pressing plate has a pressing plate groove, the opening of the pressing plate groove can be closed by the inner wall of the upper steel belt, and heat transfer oil flows in the pressing plate groove; A sealing member is provided at one end of the fourth pressing plate close to the inner wall of the upper steel belt and around the ring of the opening of the pressing plate groove.

7. The double steel belt press with multiple pressing mechanisms according to claim 6, characterized in that: The fourth pressure plate includes a base, a heat insulation plate, a flow channel plate and a static pressure sealing plate. The base is fixed on the fourth pressure plate. The heat insulation plate, the flow channel plate and the static pressure sealing plate are arranged in sequence from top to bottom between the fourth pressure plate and the inner wall of the upper steel belt. The heat insulation plate, the flow channel plate and the static pressure sealing plate are fixedly connected in sequence. The inner cavities of the flow channel plate and the static pressure sealing plate jointly form the pressure plate groove. The sealing member is provided at one end of the static pressure sealing plate close to the upper steel belt.

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