Biomass cold press molding equipment

By designing biomass cold press forming equipment, using hydraulically driven stamping pistons and demolding oil cylinders, the problems of high energy consumption and low output of existing equipment are solved, and biomass molding without heating is achieved, energy consumption and crushing costs are reduced, and output and equipment practicality are improved.

CN222590788UActive Publication Date: 2025-03-11CHANGDE WEICHUANG MACHINERY MFG CO LTD
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Patent Information

Application Number
CN202420218741.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-30
Publication Date
2025-03-11
Estimated Expiration
2034-01-30

AI Technical Summary

Technical Problem

Existing biomass forming fuel equipment has problems such as high energy consumption, low output, easy wear and high maintenance rate, especially the particle size of biomass raw materials and requires heating.

Method used

A biomass cold press forming equipment is designed, using hydraulically driven stamping pistons and mold release cylinders. Through cold press forming technology, there is no need to heat biomass raw materials, and the biomass particle size is expanded to 20mm, which is suitable for wood chips with low compression ratio.

Benefits of technology

It realizes that no heating is required during the biomass forming process, reduces energy consumption, improves output and equipment practicality, reduces crushing costs, and has low energy consumption for hydraulic drives, which is suitable for a wide range of applications.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of biomass fuel forming equipment, in particular to biomass cold press forming equipment, which comprises a base, four guide columns, two demoulding connecting plates, a forming mould, two demoulding connecting plates and a plurality of demoulding connecting plates, and the forming mould is in sliding connection with the circumference surfaces of the guide columns. A top end platform and a stamping piston connecting plate are fixedly connected to the circumferential face of the guide column, the output end of the demolding oil cylinder is fixedly connected with the interior of the connecting frame, a stamping oil cylinder is fixedly connected to the bottom of the prefill valve, and a stamping oil cylinder piston is installed at the bottom of the stamping oil cylinder. The bottom of the stamping piston connecting plate is fixedly connected with a stamping piston, and a positioning pin is installed on the side surface of the top end platform. By arranging the demolding oil cylinder, the forming mold and the stamping piston, the practicability of the device is improved, and by arranging the columnar filter screen, the angle steel and the connecting plate, the connecting stability of the oil tank is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of biomass fuel molding equipment, in particular to a biomass cold pressing molding equipment. Background Art

[0002] my country has abundant biomass resources, and making full use of biomass energy is also an effective way to replace coal and reduce emissions. However, raw materials such as straw have a relatively loose structure, low bulk density, and are extremely inconvenient to transport and store, making them difficult to use comprehensively. Therefore, the use of biomass is mainly focused on solidification and molding.

[0003] At present, the biomass molding fuel equipment on the market mainly includes three categories: screw extrusion molding equipment, piston stamping molding equipment, and roller pressing molding equipment. Among them, screw extrusion molding and roller pressing molding have higher requirements for biomass raw materials. The raw materials need to be broken into fine particles of 1-5mm. At the same time, the raw materials need to be heated during the production process. This process has problems such as high energy consumption, low output, easy equipment wear, and high maintenance rate. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a biomass cold pressing molding device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a biomass cold pressing molding equipment, including a base, the top of the base is fixedly connected with a guide column, the number of the guide columns is set to four and is symmetrically distributed on the left and right, the circumferential surface of the guide column is slidably connected with a molding mold, the side surface of the molding mold is fixedly connected with a demoulding connecting plate, the number of the demoulding connecting plates is set to two, the opposite surfaces of the two demoulding connecting plates are fixedly connected with a connecting frame, the circumferential surface of the guide column is fixedly connected with a top platform, the circumferential surface of the guide column A stamping piston connecting plate is movably connected, a demoulding cylinder is fixedly connected to the top of the top platform, the output end of the demoulding cylinder is fixedly connected to the inside of the connecting frame, a filling valve is fixedly connected to the inside of the top platform, the bottom of the filling valve is fixedly connected to the stamping cylinder, a stamping cylinder piston is installed at the bottom of the stamping cylinder, and the stamping cylinder piston is fixedly connected to the bottom of the stamping piston connecting plate, the bottom of the stamping piston connecting plate is threadedly connected to the stamping piston, and the stamping piston is located above the forming mold, and a locating pin is installed on the side surface of the top platform.

[0006] Furthermore, the number of the stamping pistons is set to six groups, and six groups of stamping grooves are opened inside the forming mold, corresponding to the positions of the six groups of stamping pistons.

[0007] Further: the rear end surface of the top platform is fixedly connected with an angle steel, and one end of the angle steel away from the top platform is fixedly connected with an oil tank.

[0008] Further: an opening is provided on the top of the oil tank, an oil inlet pipe is fixedly connected to the inside of the opening, and a columnar filter is fixedly connected to the bottom of the oil inlet pipe.

[0009] Further: a connecting plate is fixedly connected to the front end surface of the oil tank, the bottom of the connecting plate is fixedly connected to the top of the top platform, and the number of the connecting plates is three.

[0010] Further: the front end surface of the oil tank is fixedly connected with a connecting pipe, the end of the connecting pipe is fixedly connected with a stamping cylinder connecting flange, the input end of the filling valve is fixedly connected with a docking flange, and the stamping cylinder connecting flange and the docking flange are detachably connected.

[0011] The utility model has the following beneficial effects:

[0012] 1. Compared with the prior art, by setting up a demoulding cylinder, a forming mold and a stamping piston, when in use, during the entire biomass molding process, compared with the spiral extrusion molding equipment and the roller rolling molding equipment, there is no need to heat the biomass raw materials, and the particle size of the biomass is expanded to 20 mm, which reduces the crushing cost of the product, and can effectively compress wood chips with a small compression rate, expand the application range of the product, and is conducive to improving the practicality of the device. During the entire pressing process, the stamping piston has high execution efficiency, high and uniform pressure, demoulding will not reduce product quality, and the single output is high. Due to the low energy consumption of hydraulic drive, it can be widely promoted and applied.

[0013] 2. Compared with the prior art, by setting a columnar filter, angle steel and connecting plate, when in use, the oil tank is fixed to the rear end surface of the top platform by using the angle steel, and then the oil tank is fixed to the top of the top platform by using the connecting plate, which is beneficial to improve the stability of the oil tank connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is an exploded view of the utility model;

[0016] Figure 3 For the utility model Figure 2 Enlarged view of point A in the middle;

[0017] Figure 4 It is a schematic diagram of the structure of the top platform part of the utility model.

[0018] Legend:

[0019] 1. Base; 2. Guide column; 3. Stamping piston; 4. Demoulding connecting plate; 5. Oil tank; 6. Demoulding cylinder; 7. Top platform; 8. Stamping cylinder; 9. Stamping piston connecting plate; 10. Forming die; 11. Oil inlet pipe; 12. Columnar filter; 13. Angle steel; 14. Stamping cylinder connecting flange; 15. Connecting plate; 16. Stamping cylinder piston; 17. Positioning pin; 18. Filling valve; 19. Connecting frame. DETAILED DESCRIPTION

[0020] Reference Figure 1-4 The utility model provides a biomass cold pressing molding device: comprising a base 1, a guide column 2 is fixedly connected to the top of the base 1, four guide columns 2 are provided and are symmetrically distributed, a molding die 10 is slidably connected to the circumferential surface of the guide column 2, a demoulding connecting plate 4 is fixedly connected to the side surface of the molding die 10, two demoulding connecting plates 4 are provided, the opposite surfaces of the two demoulding connecting plates 4 are fixedly connected to a connecting frame 19, a top platform 7 is fixedly connected to the circumferential surface of the guide column 2, and a stamping piston connecting plate 9 is movably connected to the circumferential surface of the guide column 2 The top of the top platform 7 is fixedly connected with the demoulding cylinder 6, the output end of the demoulding cylinder 6 is fixedly connected to the inside of the connecting frame 19, the inside of the top platform 7 is fixedly connected with the filling valve 18, the bottom of the filling valve 18 is fixedly connected with the stamping cylinder 8, the bottom of the stamping cylinder 8 is installed with a stamping cylinder piston 16, and the stamping cylinder piston 16 is fixedly connected to the bottom of the stamping piston connecting plate 9, the bottom of the stamping piston connecting plate 9 is threadedly connected with the stamping piston 3, and the stamping piston 3 is located above the forming mold 10, and a positioning pin 17 is installed on the side surface of the top platform 7. When in use, during the entire biomass molding process, compared with spiral extrusion molding equipment and roller compaction molding equipment, there is no need to heat the biomass raw materials, and the particle size of the biomass is expanded to 20mm, which reduces the crushing cost of the product, and can effectively compress wood chips with a low compression rate, thereby expanding the application range of the product and helping to improve the practicality of the device. During the entire pressing process, the stamping piston 8 has high execution efficiency, high and uniform pressure, demolding will not reduce product quality, and the single output is high. Due to the hydraulic drive with low energy consumption, it can be widely promoted and applied.

[0021] There are six groups of punching pistons 3, and six groups of punching grooves are provided inside the forming die 10, corresponding to the positions of the six groups of punching pistons 3. The six groups of punching pistons 3 correspond to the six groups of punching grooves, thereby facilitating the realization of multiple groups of compression and improving the output of a single batch.

[0022] The rear end face of the top platform 7 is fixedly connected with an angle steel 13, and one end of the angle steel 13 away from the top platform 7 is fixedly connected with the oil tank 5. The angle steel 13 is used to facilitate the fixed connection of the oil tank 5 with the rear end face of the top platform 7.

[0023] The top of the oil tank 5 is provided with an opening, the inside of the opening is fixedly connected with an oil inlet pipe 11, and the bottom of the oil inlet pipe 11 is fixedly connected with a columnar filter 12. The columnar filter 12 is used to filter the oil entering the oil inlet pipe 11.

[0024] The front end surface of the oil tank 5 is fixedly connected with a connecting plate 15, the bottom of the connecting plate 15 is fixedly connected to the top of the top platform 7, and the number of connecting plates 15 is set to three. The connecting plate 15 is used to facilitate the fixed connection of the oil tank 5 with the top of the top platform 7.

[0025] The front end of the oil tank 5 is fixedly connected with a connecting pipe, the end of the connecting pipe is fixedly connected with a stamping oil cylinder connecting flange 14, the input end of the filling valve 18 is fixedly connected with a docking flange, and the stamping oil cylinder connecting flange 14 and the docking flange are detachably connected. The connection between the stamping oil cylinder connecting flange 14 and the docking flange is used to realize the connection between the oil tank 5 and the filling valve 18.

[0026] Working principle: First, the inside of the forming mold 10 is laid. After the laying is completed, the filling valve 18 fills the stamping cylinder 8 with liquid. The stamping cylinder piston 16 is connected to the stamping piston connecting plate 9 by screws. The bottom of the stamping piston connecting plate 9 is connected to 6 groups of stamping pistons 3 by screws. Under the action of hydraulic pressure, the stamping cylinder piston 16, the stamping piston connecting plate 9, and the stamping piston 3 move downward as a whole. When the stamping piston 3 contacts the biomass, pressure is applied to it; the biomass is squeezed and rubbed against each other, plastically deformed, entangled and adhered to form a whole in the forming mold 10 under pressure; after a certain holding time, the output end of the demoulding cylinder 6 moves upward, driving the demoulding connecting plate 4 and the forming mold 10 to move upward, and the demoulding of the product is completed; after the molded biomass is removed, the demoulding cylinder 6 discharges liquid to drive the connecting frame 19 to move downward, and the forming mold 10 falls back to the base 1 through the demoulding connecting plate 4; the stamping cylinder 8 discharges liquid to drive the stamping cylinder piston 16, the stamping piston connecting plate 9, and the stamping piston 3 to return to the initial position as a whole.

[0027] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A biomass cold pressing molding device, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to a guide column (2), the number of the guide columns (2) is four and they are symmetrically distributed, the circumferential surface of the guide column (2) is slidably connected to a forming mold (10), the side surface of the forming mold (10) is fixedly connected to a demoulding connecting plate (4), the number of the demoulding connecting plates (4) is two, the opposite surfaces of the two demoulding connecting plates (4) are fixedly connected to a connecting frame (19), the circumferential surface of the guide column (2) is fixedly connected to a top platform (7), the circumferential surface of the guide column (2) is movably connected to a stamping piston connecting plate (9), the top of the top platform (7) is fixedly connected to A demoulding cylinder (6) is connected, the output end of the demoulding cylinder (6) is fixedly connected to the inside of the connecting frame (19), the inside of the top platform (7) is fixedly connected to a filling valve (18), the bottom of the filling valve (18) is fixedly connected to a stamping cylinder (8), the bottom of the stamping cylinder (8) is installed with a stamping cylinder piston (16), and the stamping cylinder piston (16) is fixedly connected to the bottom of a stamping piston connecting plate (9), the bottom of the stamping piston connecting plate (9) is threadedly connected with a stamping piston (3), and the stamping piston (3) is located above the molding die (10), and a positioning pin (17) is installed on the side surface of the top platform (7).

2. The biomass cold pressing molding equipment according to claim 1, characterized in that: The number of the punching pistons (3) is set to six groups, and six groups of punching grooves are provided inside the forming mold (10) and correspond to the positions of the six groups of punching pistons (3).

3. The biomass cold pressing molding equipment according to claim 2, characterized in that: The rear end surface of the top platform (7) is fixedly connected to an angle steel (13), and the end of the angle steel (13) away from the top platform (7) is fixedly connected to an oil tank (5).

4. The biomass cold pressing molding equipment according to claim 3 is characterized in that: The top of the oil tank (5) is provided with an opening, the interior of the opening is fixedly connected to an oil inlet pipe (11), and the bottom of the oil inlet pipe (11) is fixedly connected to a columnar filter (12).

5. The biomass cold pressing molding equipment according to claim 4, characterized in that: A connecting plate (15) is fixedly connected to the front end surface of the oil tank (5), the bottom of the connecting plate (15) is fixedly connected to the top of the top platform (7), and there are three connecting plates (15).

6. The biomass cold pressing molding equipment according to claim 5, characterized in that: The front end surface of the oil tank (5) is fixedly connected to a connecting pipe, the end of the connecting pipe is fixedly connected to a stamping cylinder connecting flange (14), the input end of the filling valve (18) is fixedly connected to a docking flange, and the stamping cylinder connecting flange (14) and the docking flange are detachably connected.