Raw material cold pressing forming machine for processing low-lignin biomass

Abstract

The utility model belongs to the technical field of biomass energy processing, particularly relates to a raw material cold-press forming machine for processing low-lignin biomass, and provides the following scheme aiming at the problems that existing partial biomass forming equipment is low in processing efficiency, high in energy consumption, poor in cutting effect, difficult to adapt to efficient and continuous production requirements of the low-lignin biomass and the like. Comprising a shell, a discharging base is fixedly installed at the bottom of the shell, and the discharging base is used for completing supporting of equipment and discharging of formed raw materials; according to the cold press forming machine for the low-lignin biomass raw materials, through the design of the rotating cylinder and the extrusion disc which rotate reversely, the extrusion efficiency of the raw materials is remarkably improved, blocking is effectively prevented through the arrangement of the material stirring protruding strips, and the cold press forming machine for the low-lignin biomass raw materials has the advantages of being simple in structure, convenient to use and high in practicability. And the annular push broach repeatedly lifts and cuts on the outer wall of the rotating cylinder, so that the uniformity of formed raw material particles is ensured, the production efficiency is improved, and the cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of biomass energy processing technology especially relates to a raw material cold pressure forming machine of low lignin biomass processing. BACKGROUND

[0002] In the development and utilization of biomass energy, low lignin biomass gradually becomes one of the important renewable energy sources due to its high calorific value, easy burning and other characteristics. However, low lignin biomass usually exists in the form of powder, and direct combustion not only has low efficiency, but also easily produces pollution. Therefore, processing it into shaped particles with certain shape and density can not only improve the combustion efficiency, but also reduce environmental pollution. However, the existing biomass forming equipment still has the following problems in use:

[0003] At present, there are some biomass forming equipment on the market, but the processing efficiency of most equipment is not high, the energy consumption is high, and the cutting effect of the forming raw material is not good; especially when processing low lignin biomass, due to its small particle size and high viscosity, the traditional forming equipment often cannot meet the high-efficiency and continuous production demand.

[0004] In view of the above problems, the utility model file puts forward a raw material cold pressure forming machine of low lignin biomass processing. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the shortcomings of the prior art, such as low processing efficiency, high energy consumption, poor cutting effect and difficulty in adapting to the high-efficiency and continuous production demand of low lignin biomass, and provides a raw material cold pressure forming machine of low lignin biomass processing.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A raw material cold pressure forming machine of low lignin biomass processing, comprising:

[0008] The bottom of the shell is fixedly installed with a discharge base, which is used to complete the support of the equipment and the discharge of the formed raw material; the top of the shell is fixedly installed with a feeding hopper, which is used to add the raw material to be processed;

[0009] It also includes an extrusion assembly, which includes a fixed cylinder, a rotating cylinder and an extrusion disc, the fixed cylinder, the rotating cylinder and the extrusion disc are all located in the shell, the rotating cylinder is rotatably installed on the top of the fixed cylinder and is connected with the feeding hopper, the extrusion disc is rotatably arranged on the inner wall of the bottom of the rotating cylinder, and the outer wall of the fixed cylinder and the rotating cylinder is connected with the inner wall of the shell, and there is a gap for discharging between the outer wall of the fixed cylinder and the rotating cylinder and the inner wall of the shell, and the extrusion assembly is used to complete the extrusion forming of the raw material;

[0010] The cutting assembly is used for cutting the extruded raw material strips.

[0011] In a possible design, the extruding assembly comprises a plurality of extrusion holes formed in the outer wall of the rotating cylinder, and the outer wall of the extruding disc is fixedly provided with a plurality of extruding ribs, each of the extruding ribs is in sliding fit with the inner wall of the rotating cylinder, and a feeding groove is formed between any two adjacent extruding ribs, and the extruding ribs and the feeding groove are matched with the extrusion holes.

[0012] In a possible design, the extruding assembly further comprises a connecting rod fixedly provided at the bottom of the extruding disc, one end of the connecting rod is rotatably penetrated through the bottom of the rotating cylinder and rotatably connected with the inner wall of the bottom of the fixed cylinder, a sleeve is rotatably sleeved on the outer wall of the connecting rod, the top end of the sleeve is fixedly connected with the bottom of the rotating cylinder, and the bottom end of the sleeve extends into the fixed cylinder; a first bevel gear is fixedly sleeved on the outer wall of the sleeve, a second bevel gear is fixedly sleeved on the outer wall of the connecting rod, the second bevel gear is located below the sleeve, two third bevel gears are arranged between the first bevel gear and the second bevel gear, and each of the third bevel gears is in mesh with the first bevel gear and the second bevel gear; a partition plate is fixedly arranged in the fixed cylinder, a motor is fixedly arranged on one side of the partition plate, and one end of the output shaft of the motor is rotatably penetrated through the partition plate and fixedly connected with one of the third bevel gears.

[0013] In a possible design, the cutting assembly comprises an annular pusher sleeved on the outer wall of the rotating cylinder, a cutting edge is arranged at the top of the annular pusher and tightly abuts against the outer wall of the rotating cylinder, two limiting frames are fixedly arranged on the outer wall of the annular pusher, one end of each of the limiting frames is in sliding connection with the inner wall of the shell, a T-shaped support is fixedly arranged at the bottom of the annular pusher, and a limiting sliding groove is formed in one side of the T-shaped support; a rotating shaft is rotatably penetrated through one side of the fixed cylinder, one end of the rotating shaft is fixedly connected with the other third bevel gear, a rotating disc is fixedly arranged at the other end of the rotating shaft, the rotating disc is located outside the fixed cylinder, a fixed column is fixedly arranged on one side of the rotating disc, the fixed column is located at a position deviating from the center of the rotating disc, and the fixed column is in sliding fit with the inner wall of the limiting sliding groove and used for driving the annular pusher to repeatedly ascend and descend when the rotating disc rotates.

[0014] In a possible design, a plurality of material pushing ribs are fixedly arranged on the inner wall of the rotating cylinder, each of the material pushing ribs is located above the extruding disc, and each of the material pushing ribs is matched with the feeding groove and used for pushing the raw material to avoid blockage.

[0015] In a possible design, the top of the discharging base is provided with a communication opening, a fixed support is fixedly installed in the communication opening, the fixed support is fixedly connected with the bottom of the fixed cylinder, and the fixed support is used for supporting the fixed cylinder and the rotating cylinder, and the inner diameter of the communication opening is the same as the inner diameter of the shell, so that the discharging gap can be connected with the inside of the discharging base through the communication opening.

[0016] In a possible design, the discharging base is provided with a discharging opening on one side, a discharging plate is fixedly installed on the side of the discharging base close to the discharging opening, the discharging plate is arranged obliquely, and the discharging plate is used for ensuring the concentrated discharge of the formed raw materials; and an inclined guide plate is fixedly installed in the inside of the discharging base, the inclined guide plate is matched with the discharging plate, and the inclined guide plate is used for ensuring the rapid discharge of the formed raw materials.

[0017] In the application, the user can add the low-lignin biomass powder raw material to be processed into the feeding hopper, and then the raw material enters the rotating cylinder under the action of gravity; then, the user can start the motor, the motor can drive the adjacent third bevel gear to rotate, thereby driving the first bevel gear and the second bevel gear to rotate in opposite directions, so that the rotating cylinder and the extrusion disc can rotate in opposite directions, and the efficiency of the raw material being extruded can be improved; the raw material in the rotating cylinder enters the plurality of feeding grooves under the rotation of the extrusion disc, and under the continuous extrusion of the plurality of extrusion protrusions, the raw material to be processed can be extruded into a strip shape from the plurality of extrusion holes, thereby completing the processing and forming of the raw material; since the rotating cylinder and the extrusion disc rotate in opposite directions, the plurality of stirring protrusions arranged in the rotating cylinder can stir the raw material about to enter the feeding groove, so that the raw material can be prevented from being accumulated and blocked at the top of the plurality of feeding grooves, and the smooth extrusion of the raw material is facilitated; when the rotating cylinder and the extrusion disc rotate, the other third bevel gear can also drive the rotating disc to rotate, and when the rotating disc rotates, the fixed column and the limiting sliding groove can be matched to realize the repeated lifting of the annular push knife on the outer wall of the rotating cylinder; when the annular push knife is lifted, the cutting edge on the top of the annular push knife can cut the extruded raw material strip, so that the raw material can be discharged in uniform size; the cut formed raw material particles can enter the discharging base through the discharging gap, and finally be discharged along the inclined guide plate and the discharging plate; the user can set a container at one end of the discharging plate to collect the low-lignin biomass formed particles, thereby facilitating the acquisition of the low-lignin biomass formed particles.

[0018] The low-lignin biomass raw material cold pressure forming machine has the advantages that: the extrusion assembly is designed uniquely, the rotating cylinder and the extrusion disc can rotate in opposite directions, the efficiency of the raw material being extruded is effectively improved, the stirring protrusions arranged in the rotating cylinder can prevent the raw material from being accumulated and blocked at the top of the feeding groove, and the smooth extrusion of the raw material is ensured.

[0019] The utility model discloses a low lignin biomass processing's raw material cold pressure forming machine, the design of cutting assembly makes annular pusher knife can repeatedly lift in the rotation cylinder outer wall, and the cutting of the material strip that is extruded is carried out to the uniform size of formed raw material particle is ensured, this design not only improves production efficiency, and reduced the cost of manual cutting,

[0020] The utility model discloses a low lignin biomass processing's raw material cold pressure forming machine, whole equipment structure is compact, stable, and the cooperation of each part is close, effectively avoid the leakage and waste of raw material in the processing process, simultaneously, the design of discharging base ensures the quick discharge of formed raw material, and production efficiency is further improved,

[0021] The utility model discloses a low lignin biomass raw material cold pressure forming machine passes through the design of rotation cylinder and extruding disc of reverse rotation, and the raw material extrusion efficiency is improved significantly, and the setting of poking convex stripe can effectively prevent the blockage, can ensure that the raw material extrudes smoothly, and the uniformity of formed raw material particle is guaranteed through the repeated lift cutting of annular pusher knife in the rotation cylinder outer wall, improves production efficiency and reduces cost, and the equipment structure is compact and stable, can prevent raw material leakage and waste, further improves overall production efficiency, and exhibits significant technical advantage. ACCURACY OF DRAWINGS

[0022] Figure 1 It is three -dimensional structure schematic drawing of a low lignin biomass processing's raw material cold pressure forming machine that the utility model proposes;

[0023] Figure 2 It is split structure schematic drawing of a low lignin biomass processing's raw material cold pressure forming machine that the utility model proposes;

[0024] Figure 3 It is sectional structure schematic drawing of a low lignin biomass processing's raw material cold pressure forming machine that the utility model proposes;

[0025] Figure 4 It is extruding subassembly split structure schematic drawing of a low lignin biomass processing's raw material cold pressure forming machine that the utility model proposes;

[0026] Figure 5 It is rotation cylinder and extruding disc structure schematic drawing of a low lignin biomass processing's raw material cold pressure forming machine that the utility model proposes;

[0027] Figure 6 It is a plurality of bevel gear mounting structure schematic drawing of a low lignin biomass processing's raw material cold pressure forming machine that the utility model proposes;

[0028] Figure 7 It is cutting assembly structure schematic drawing of a low lignin biomass processing's raw material cold pressure forming machine that the utility model proposes.

[0029] In the figure: 1, the shell; 2, the discharge base; 3, the feeding hopper; 4, the communication port; 5, the discharge plate; 6, the inclined guide plate; 7, the fixed support; 8, the fixed cylinder; 9, the rotating cylinder; 10, the extrusion disc; 11, the poking convex strip; 12, the ring-shaped pusher; 13, the partition plate; 14, the extrusion hole; 15, the sleeve; 16, the extrusion convex strip; 17, the feeding groove; 18, the connecting rod; 19, the first bevel gear; 20, the second bevel gear; 21, the third bevel gear; 22, the motor; 23, the rotating shaft; 24, the rotating disc; 25, the fixed column; 26, the limiting frame; 27, the T-shaped support; 28, the limiting sliding slot. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0031] Embodiment 1: Refer to Figures 1-7 A cold press forming machine, comprising: a shell 1, a discharge base 2, a feeding hopper 3, and an extrusion assembly and a cutting assembly.

[0032] In this embodiment, the shell 1 is the main structure of the entire device, and the bottom thereof is fixedly installed with the discharge base 2. The discharge base 2 not only plays a role in supporting the entire device, but also is responsible for discharging the raw material after forming. The top of the shell 1 is fixedly installed with the feeding hopper 3, which is used for adding low-lignin biomass raw material to be processed.

[0033] In this embodiment, the extrusion assembly is the key part of the device, which comprises a fixed cylinder 8, a rotating cylinder 9 and an extrusion disc 10. The fixed cylinder 8 and the rotating cylinder 9 are both located in the shell 1, and the rotating cylinder 9 is rotatably installed on the top of the fixed cylinder 8. Meanwhile, the top of the rotating cylinder 9 is rotatably connected with the inner wall of the top of the shell 1, and it is in communication with the feeding hopper 3. The extrusion disc 10 is rotatably arranged on the inner wall of the bottom of the rotating cylinder 9. There is a gap between the outer wall of the fixed cylinder 8 and the rotating cylinder 9 and the inner wall of the shell 1 for discharging, which ensures that the formed raw material can be smoothly discharged.

[0034] Further, in this embodiment, a plurality of extrusion holes 14 are formed on the outer wall of the rotating cylinder 9, which are used for extruding the raw material strips. A plurality of extrusion convex strips 16 are fixedly installed on the outer wall of the extrusion disc 10. These extrusion convex strips 16 are in sliding fit with the inner wall of the rotating cylinder 9, and a feeding groove 17 is formed between two adjacent extrusion convex strips 16. When the raw material enters the rotating cylinder 9, it will slide down along the top arc surface of the extrusion disc 10 into the plurality of feeding grooves 17, and under the rotating action of the extrusion disc 10, it will be pushed by the extrusion convex strips 16 and then extruded from the plurality of extrusion holes 14.

[0035] In order to realize the rotation of the rotating cylinder 9 and the extrusion disc 10, in the embodiment, the extrusion assembly further comprises a connecting rod 18 fixedly installed at the bottom of the extrusion disc 10, one end of the connecting rod 18 rotatably penetrates the bottom of the rotating cylinder 9 and is rotatably connected with the inner wall of the bottom of the fixed cylinder 8. The outer wall of the connecting rod 18 rotatably sheathes a sleeve 15, the top end of the sleeve 15 is fixedly connected with the bottom of the rotating cylinder 9, and the bottom end extends into the fixed cylinder 8. The outer wall of the sleeve 15 is fixedly sheathed with a first bevel gear 19, and the outer wall of the connecting rod 18 is fixedly sheathed with a second bevel gear 20, and the second bevel gear 20 is located below the sleeve 15. Two third bevel gears 21 are arranged between the first bevel gear 19 and the second bevel gear 20, and the two third bevel gears 21 are meshed with the first bevel gear 19 and the second bevel gear 20. The inner part of the fixed cylinder 8 is fixedly installed with a partition plate 13, one side of the partition plate 13 is fixedly installed with a motor 22, one end of the output shaft of the motor 22 rotatably penetrates the partition plate 13 and is fixedly connected with one of the third bevel gears 21. When the motor 22 is started, the adjacent third bevel gear 21 can be driven to rotate, thereby driving the first bevel gear 19 and the second bevel gear 20 to rotate in opposite directions, realizing the opposite direction rotation of the rotating cylinder 9 and the extrusion disc 10, so as to ensure higher extrusion efficiency.

[0036] In the embodiment, the cutting assembly comprises an annular pusher 12 sheathed on the outer wall of the rotating cylinder 9, and the top of the annular pusher 12 is provided with a cutting edge closely attached to the outer wall of the rotating cylinder 9, for cutting the extruded raw material strip. The outer wall of the annular pusher 12 is fixedly installed with two limiting frames 26, one end of each of the two limiting frames 26 is slidably connected with the inner wall of the shell 1, so as to ensure that the annular pusher 12 can stably ascend and descend. The bottom of the annular pusher 12 is fixedly installed with a T-shaped support 27, and the T-shaped support 27 is provided with a limiting sliding groove 28 at one side.

[0037] In order to realize the ascending and descending of the annular pusher 12, in the embodiment, a rotating shaft 23 rotatably penetrates one side of the fixed cylinder 8, one end of the rotating shaft 23 is fixedly connected with the other third bevel gear 21, and the other end is fixedly installed with a rotating disc 24. The rotating disc 24 is located outside the fixed cylinder 8, and a fixed column 25 is fixedly installed at one side of the rotating disc 24, which is located at a position deviated from the center of the rotating disc 24. When the rotating disc 24 rotates, the fixed column 25 will slide in the limiting sliding groove 28, thereby driving the annular pusher 12 to repeatedly ascend and descend. When the annular pusher 12 ascends, the cutting edge at the top thereof can cut the extruded raw material strip.

[0038] The present application can be used in the field of biomass energy processing technology, and can also be used in other fields applicable to the present application.

[0039] Embodiment 2: Reference Figure 2 、 3 On the basis of improving embodiment 1: a low-lignin biomass processing raw material cold pressing forming machine applied to the field of biomass energy processing technology;

[0040] In order to avoid the accumulation of raw materials on the top of the feed groove 17, in the embodiment, the inner wall of the rotating cylinder 9 is fixedly installed with a plurality of stirring protrusions 11, which are located above the extrusion disc 10 and matched with the plurality of feed grooves 17. When the rotating cylinder 9 rotates, the stirring protrusions 11 will stir the raw materials about to enter the feed grooves 17, avoiding the accumulation of raw materials at the entrances of the plurality of feed grooves 17.

[0041] In addition, in the embodiment, the top of the discharging base 2 is provided with a communication port 4, the inside of which is fixedly installed with a fixed support 7, which is fixedly connected with the bottom of the fixed cylinder 8, for supporting the fixed cylinder 8 and the rotating cylinder 9. The inner diameter of the communication port 4 is the same as the inner diameter of the shell 1, ensuring that the discharging gap can be connected with the inside of the discharging base 2 through the communication port 4.

[0042] In the embodiment, one side of the discharging base 2 is also provided with a discharging port, and an inclined discharging plate 5 is fixedly installed on the side close to the discharging port, for ensuring the centralized discharge of the formed raw materials. The inside of the discharging base 2 is also fixedly installed with an inclined guide plate 6, which is matched with the discharging plate 5, for ensuring the rapid discharge of the formed raw materials.

[0043] However, as known to those skilled in the art, the working principle and wiring method of the motor 22 are common, which belong to conventional means or common knowledge, and will not be described here. Those skilled in the art can make any selection according to their needs or convenience.

[0044] The working principle and use process of the technical solution are as follows: in use, the user can add the low-lignin biomass powder-shaped raw material to be processed into the feeding hopper 3, and then the raw material will enter the rotating cylinder 9 under the action of gravity; then, the user can start the motor 22, the motor 22 can drive the adjacent third bevel gear 21 to rotate, thereby driving the first bevel gear 19 and the second bevel gear 20 to rotate in opposite directions, so that the rotation of the rotating cylinder 9 and the extrusion disc 10 can be realized, and the rotation directions are opposite, which can improve the extrusion efficiency of the raw material; the raw material in the rotating cylinder 9 will enter the plurality of feeding grooves 17 under the rotation of the extrusion disc 10, and under the continuous extrusion and pushing of the plurality of extrusion ridges 16, the raw material to be processed can be extruded into strips from the plurality of extrusion holes 14, thereby completing the processing and molding of the raw material; since the rotating cylinder 9 and the extrusion disc 10 rotate in opposite directions, the plurality of stirring ridges 11 arranged in the rotating cylinder 9 can stir the raw material about to enter the feeding groove 17, which can avoid the accumulation and blockage of the raw material at the top of the plurality of feeding grooves 17, and is beneficial to the smooth extrusion of the raw material; when the rotating cylinder 9 and the extrusion disc 10 rotate, the rotating disc 24 can also be driven to rotate through the other third bevel gear 21; when the rotating disc 24 rotates, through the cooperation of the fixing column 25 and the limiting sliding groove 28, the annular push knife 12 can realize repeated lifting on the outer wall of the rotating cylinder 9; when the annular push knife 12 is lifted, the cutting edge on the top of the annular push knife 12 can cut the extruded raw material strip to ensure that the raw material can be discharged in uniform size; the cut molded raw material particles can enter the discharge base 2 through the discharge gap, and finally be discharged along the inclined guide plate 6 and the discharge plate 5; the user can set a container at one end of the discharge plate 5 to collect, thereby facilitating the acquisition of low-lignin biomass molded particles.

[0045] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto; any person skilled in the art can make equivalent replacements or changes to the technical solution and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A cold pressing machine for processing low-lignin biomass raw materials, characterized in that, include: The outer shell (1) has a discharge base (2) fixedly installed at the bottom of the outer shell (1), which is used to support the equipment and discharge the raw materials after molding; the top of the outer shell (1) has a feed hopper (3) fixedly installed, which is used to add the raw materials to be processed. It also includes an extrusion assembly, which includes a fixed cylinder (8), a rotating cylinder (9) and an extrusion disc (10). The fixed cylinder (8), the rotating cylinder (9) and the extrusion disc (10) are all located inside the outer shell (1). The rotating cylinder (9) is rotatably installed on the top of the fixed cylinder (8) and connected to the feed hopper (3). The extrusion disc (10) is rotatably disposed on the bottom inner wall of the rotating cylinder (9). There is a gap between the outer walls of the fixed cylinder (8) and the rotating cylinder (9) and the inner wall of the outer shell (1) for material discharge. The extrusion assembly is used to complete the extrusion molding of the raw material. It also includes a cutting assembly for cutting the extruded raw material strips.

2. The raw material cold pressing molding machine for low-lignin biomass processing according to claim 1, characterized in that, The extrusion assembly includes multiple extrusion holes (14) formed on the outer wall of the rotating cylinder (9). Multiple extrusion protrusions (16) are fixedly installed on the outer wall of the extrusion disc (10). The multiple extrusion protrusions (16) are all slidably engaged with the inner wall of the rotating cylinder (9). A feed groove (17) is formed between two adjacent extrusion protrusions (16). The multiple extrusion protrusions (16) and the feed groove (17) are all engaged with the multiple extrusion holes (14).

3. The raw material cold pressing molding machine for low-lignin biomass processing according to claim 2, characterized in that, The extrusion assembly also includes a connecting rod (18) fixedly installed at the bottom of the extrusion disc (10). One end of the connecting rod (18) rotatably passes through the bottom of the rotating cylinder (9) and is rotatably connected to the inner wall of the bottom of the fixed cylinder (8). A sleeve (15) is rotatably sleeved on the outer wall of the connecting rod (18). The top end of the sleeve (15) is fixedly connected to the bottom of the rotating cylinder (9), and the bottom end of the sleeve (15) extends into the fixed cylinder (8). A first bevel gear (19) is fixedly sleeved on the outer wall of the sleeve (15), and a second bevel gear is fixedly sleeved on the outer wall of the connecting rod (18). The wheel (20) and the second bevel gear (20) are located below the sleeve (15). Two third bevel gears (21) are arranged between the first bevel gear (19) and the second bevel gear (20). Both third bevel gears (21) mesh with the first bevel gear (19) and the second bevel gear (20). A partition (13) is fixedly installed inside the fixed cylinder (8). A motor (22) is fixedly installed on one side of the partition (13). One end of the output shaft of the motor (22) rotates through the partition (13) and is fixedly connected to one of the third bevel gears (21).

4. The raw material cold pressing molding machine for low-lignin biomass processing according to claim 3, characterized in that, The cutting assembly includes an annular pusher (12) sleeved on the outer wall of the rotating cylinder (9). The top of the annular pusher (12) is provided with a cutting edge that is close to the outer wall of the rotating cylinder (9). Two limiting brackets (26) are fixedly installed on the outer wall of the annular pusher (12). One end of each of the two limiting brackets (26) is slidably connected to the inner wall of the outer shell (1). A T-shaped bracket (27) is fixedly installed at the bottom of the annular pusher (12). A limiting groove (28) is opened on one side of the T-shaped bracket (27). The fixed cylinder (8) rotates through one side. There is a rotating shaft (23), one end of which is fixedly connected to another third bevel gear (21), and the other end of the rotating shaft (23) is fixedly mounted with a turntable (24). The turntable (24) is located outside the fixed cylinder (8). A fixed column (25) is fixedly mounted on one side of the turntable (24). The fixed column (25) is located at a position off-center from the center of the turntable (24). The fixed column (25) slides in cooperation with the inner wall of the limiting slide groove (28) to drive the annular pusher (12) to repeatedly rise and fall when the turntable (24) rotates.

5. The raw material cold pressing molding machine for low-lignin biomass processing according to claim 2, characterized in that, The inner wall of the rotating cylinder (9) is fixedly equipped with a plurality of material-pushing protrusions (11). The plurality of material-pushing protrusions (11) are all located above the extrusion plate (10). The plurality of material-pushing protrusions (11) cooperate with a plurality of feeding grooves (17) to push the raw material and avoid blockage.

6. The raw material cold pressing molding machine for low-lignin biomass processing according to claim 1, characterized in that, The top of the discharge base (2) is provided with a communication port (4), and a fixed bracket (7) is fixedly installed inside the communication port (4). The fixed bracket (7) is fixedly connected to the bottom of the fixed cylinder (8) to support the fixed cylinder (8) and the rotating cylinder (9). The inner diameter of the communication port (4) is the same as the inner diameter of the outer shell (1) to ensure that the discharge gap can be connected to the inside of the discharge base (2) through the communication port (4).

7. The raw material cold pressing molding machine for low-lignin biomass processing according to claim 5, characterized in that, The discharge base (2) has a discharge port on one side. A discharge plate (5) is fixedly installed on the side of the discharge base (2) near the discharge port. The discharge plate (5) is inclined to ensure the concentrated discharge of the molding raw material. An inclined guide plate (6) is fixedly installed inside the discharge base (2). The inclined guide plate (6) cooperates with the discharge plate (5) to ensure the rapid discharge of the molding raw material.

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