Old wood recycling and splicing method

Abstract

The invention relates to the technical field of wood processing, in particular to an old wood recycling and splicing method, which comprises the following steps: firstly, removing metal parts on old wood, screening the old wood, screening out seriously damaged old wood, carrying out earlier-stage treatment on the old wood to obtain old wood with regular shape, digesting, cleaning and drying the old wood subjected to earlier-stage treatment, and recycling and splicing the old wood. The method comprises the following steps: presetting reference sizes of a plurality of woods, selecting a plurality of old woods according to the reference sizes, processing a splicing surface on the old woods, coating the splicing surface with a prepared adhesive by using a gluing device, splicing the old woods to obtain a spliced piece, and after the adhesive is cured, carrying out post-treatment on the spliced piece to obtain a reference piece. According to the method, after a series of treatment is carried out on the old wood, the old wood is spliced to obtain the reference part capable of being reused, so that the solid wood is effectively recycled, and the recovery rate of the old wood is increased.

Description

Technical Field

[0001] The present invention relates to the technical field of wood processing, and particularly relates to a method for recycling and splicing old wood. Background Art

[0002] Wood is a general term for plant tissues developed inward from the vascular cambium, including xylem and parenchyma rays. Wood plays a great supporting role in human life and is widely used in various different scenarios. According to different application scenarios, wood is usually processed into various different shapes. For example, when wood is used to manufacture furniture, it will be processed into different shapes such as wooden boards, square columns, round columns, elliptical cylinders, prisms, etc. Then, these woods of different shapes will be further processed into specific furniture products. During the processing, due to collisions or the nature of the wood itself, the wood may crack or be damaged. At this time, the damaged wood needs to be discarded. After furniture products have been used for a certain number of years, due to reasons such as surface aging and damage of some components, they can no longer meet the needs of users and are thus phased out. These phased-out products will also be discarded. The traditional waste treatment process generally involves crushing waste solid wood and then using adhesives to make plywood products such as particle boards or fiber boards. However, some old woods are not seriously damaged, especially some types of woods with relatively high prices, and still have the possibility of being reused as a whole solid wood. Direct crushing treatment reduces the yield. Therefore, a method for effectively recycling old solid wood is needed. Summary of the Invention

[0003] To solve the above problems, the present invention provides a method for recycling and splicing old wood.

[0004] The present invention is implemented as follows: A method for recycling and splicing old wood includes the following steps: removing metal parts from the old wood, screening the old wood, screening out the old wood with serious damage, preprocessing the old wood to obtain old wood with regular shapes, boiling, cleaning, and drying the preprocessed old wood, presetting multiple reference dimensions of the wood, selecting several old woods according to the reference dimensions, processing splicing surfaces on the old woods, using a glue coating device to coat the prepared adhesive on the splicing surfaces, and then splicing the old woods to obtain a spliced part. After the adhesive is cured, post-processing the spliced part to obtain a reference part.

[0005] Further, it includes the following steps: S1, removing metal parts and additional parts from the old wood and recycling the metal parts; S2, screening the old wood and screening out the old wood with serious damage and no repair value; S3. Perform pre-treatment on the old wood after removing the metal parts, cut the old wood with irregular shapes into regular shapes, and remove a predetermined thickness from the surface of the wood, where the removed thickness needs to be greater than the thickness of the paint on the wood surface; S4. Immerse and wash the pre-treated old wood, and then perform a drying treatment; S5. Screen out the old wood with surface defects and repair the defects on the surface of the old wood; S6. Preset multiple size ranges and classify the old wood according to the set size ranges; S7. Preset multiple reference dimensions of the wood, select the corresponding old wood in multiple size ranges according to the reference dimensions, perform pre-treatment before splicing, and process a splicing surface; S8. Prepare an adhesive, and use a gluing device to evenly coat the adhesive on the splicing surface of the old wood; S9. Splice the old wood after coating with glue to obtain a spliced part; S10. After the adhesive cures, perform post-treatment on the spliced part to obtain a reference part, and the post-treatment includes cutting, grinding, sandblasting, and painting.

[0006] Further, in step S4, the old wood is immersed in lime water for 0.5 - 3 h; the drying treatment in step S4 means that the washed wood is dried at a low temperature, the drying temperature is 45°C - 60°C, and the moisture content of the wood is controlled at 10% - 16%.

[0007] Further, after drying the old wood in step S4, the old wood is carbonized, the carbonization temperature is 160°C - 190°C, the temperature rises every 0.5 h - 3 h during the carbonization process, and each time it rises by 8°C - 15°C. After carbonization, the old wood is subjected to a humidity adjustment treatment to increase the moisture content of the old wood.

[0008] Further, the repair of the defects on the surface of the old wood in step S5 includes: A1. Check the type of surface defects of the old wood and execute A2 or A3 according to the defect type; A2. If the surface defects of the old wood are ordinary damage and cracking, clean the surface defect area at this place, and then fill in wood repair putty; A3. If the surface defects of the old wood are dead knots, rotten knots, or insect holes, use tools to remove the defective part, spray alcohol on the area where the defective part is removed and clean it, and then fill in wood repair putty; A4. Grind the surface after filling the repair putty to make the repaired part and the surface of the old wood smoothly transition.

[0009] Further, the glue coating device for coating the prepared adhesive on the splicing surface includes a machine table, a conveying mechanism arranged on the machine table, a glue coating mechanism arranged on the machine table, a feeding mechanism arranged at the starting end of the conveying mechanism, and a discharging mechanism arranged on the machine table. The discharging mechanism is close to the end of the conveying mechanism; the glue coating mechanism includes a first glue coating assembly and a second glue coating assembly respectively located on both sides of the conveying mechanism; both the first glue coating assembly and the second glue coating assembly include a first vertical module arranged on the machine table, a first horizontal module connected to the first vertical module, a moving plate connected to the first horizontal module, a glue coating driving member arranged on the moving plate, and a glue gun connected to the glue coating driving member.

[0010] Further, the glue coating device further includes a positioning assembly, and the positioning assembly includes a lifting cylinder arranged on the machine table and a first jaw cylinder connected to the output end of the lifting cylinder.

[0011] Further, the conveying mechanism includes a conveying bracket arranged on the machine table and two conveyor belts arranged on the conveying bracket. There is a gap between the two conveyor belts, and a plurality of partition members are arranged on both conveyor belts; the positioning assembly is located between the two conveyor belts.

[0012] Further, the feeding mechanism includes a feeding seat arranged on the conveying mechanism, a feeding frame detachably connected to the feeding seat, and a limiting member inserted at the bottom of the feeding frame.

[0013] Further, the discharging mechanism includes a rotary driving assembly arranged on the machine table, a second vertical module connected to the rotary driving assembly, a second horizontal module connected to the second vertical module, a moving seat connected to the second horizontal module, a lifting driving member arranged on the moving seat, a lifting frame connected to the output end of the lifting driving member, and a second jaw cylinder connected to the lifting frame.

[0014] Compared with the prior art, the present invention has the following beneficial effects: The present invention screens and pre-treats old wood to obtain old wood with regular shapes. After boiling, cleaning, and drying, the old wood is selected according to the reference dimensions, and splicing surfaces are processed on the old wood. With the cooperation of the glue coating device, the adhesive is coated on the splicing surfaces, and the old wood is spliced to obtain a reusable reference part, so that solid wood is effectively recycled and the yield rate of old wood recycling is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the glue coating device provided by an embodiment of the present invention.

[0016] Figure 2 Schematic diagram of the discharging mechanism of the glue coating device according to an embodiment of the present invention.

[0017] Figure 3 Schematic diagram of the positioning component of the glue coating device according to an embodiment of the present invention.

[0018] The figure includes: Machine table 1, conveying mechanism 2, conveying bracket 21, conveyor belt 22, partition member 23, glue coating mechanism 3, first glue coating component 31, first vertical module 311, first horizontal module 312, moving plate 313, glue coating driving member 314, glue gun 315, second glue coating component 32, feeding mechanism 4, feeding seat 41, feeding frame 42, limiting member 43, discharging mechanism 5, rotation driving component 51, second vertical module 52, second horizontal module 53, moving seat 54, lifting driving member 55, lifting frame 56, second jaw cylinder 57, positioning component 6, lifting cylinder 61, first jaw cylinder 62. Specific embodiments

[0019] To facilitate those skilled in the art to understand the present invention, the present invention will be further described in detail below in conjunction with specific embodiments and drawings.

[0020] Referring to Figures 1 to 3 , a method for recycling and splicing old wood provided by the present invention includes the following steps: removing metal parts on the old wood, screening the old wood, screening out old wood with serious damage, pre-treating the old wood to obtain old wood with regular shapes, soaking, cleaning, and drying the pre-treated old wood, presetting the reference dimensions of a plurality of woods, selecting several old woods according to the reference dimensions, processing splicing surfaces on the old woods, using a glue coating device to coat the prepared adhesive on the splicing surfaces, then splicing the old woods to obtain a spliced part, and after the adhesive cures, performing post-treatment on the spliced part to obtain a reference part.

[0021] The present invention includes the following detailed steps: S1. Remove additional parts such as metal parts on the old wood and recycle the metal parts; S2. Screen the old wood, and screen out old wood with serious damage and no repair value, such as old wood with serious rot, insect damage, or small size. In specific implementation, for this part of the screened old wood, usable parts can also be selected and broken, and then made into plywood later; S3. Perform pre-treatment on the old wood after removing the metal parts. Cut the old wood with irregular shapes into regular shapes (such as prismatic, plate-shaped, block-shaped, etc.), that is, determine the regular shape to be cut according to the original shape of the old wood. For example, if the old wood is a whole round log, it can be cut into a cylindrical shape or a quadrangular prism (i.e., a wooden stick, a wooden square, or a wooden strip). Then, remove a predetermined thickness from the surface of the wood. The removed thickness needs to be greater than the thickness of the paint on the wood surface. Specifically, remove the paint on the surface of the old wood and also remove the damaged parts on the wood surface; S4. Immerse and wash the pre-treated old wood, and then perform a drying treatment; S5. Screen out the old wood with surface defects and repair the defects on the surface of the old wood; S6. Preset multiple size ranges, and classify the old wood according to the set size ranges. Before size classification, first classify the old wood by shape, group the wood with the same shape category into one category, and then perform size classification. Taking a wooden square as an example, the size ranges can be divided based on the length to divide different size ranges. The same principle applies to other types such as wooden boards; S7. Preset multiple reference sizes of the wood (such as setting multiple length sizes), select the corresponding old wood in multiple size ranges according to the reference sizes, and perform pre-treatment before splicing to process the splicing surface. For example, if you want to splice a 50-cm-long wooden square, you can select two or more old woods with a total length greater than 50 cm, and process the splicing surface at the ends of the two old woods. The shape of the splicing surface can refer to the traditional tenon and mortise structure. Of course, in actual implementation, it is not limited to the above examples and can be flexibly combined according to the actual size of the old wood; S8. Prepare the adhesive, and use a gluing device to evenly coat the adhesive on the splicing surface of the old wood. The adhesive can use an adhesive based on plant substrates, such as an adhesive based on plant starch or plant protein; S9. Splice the old wood after coating with the adhesive to obtain a spliced part; S10. After the adhesive cures, perform post-treatment on the spliced part to obtain a reference part. The post-treatment includes cutting, grinding, sandblasting, and painting. In the case where the two old woods still exceed the reference length after splicing, cutting is required. Grinding can remove the excess adhesive on the surface. In addition, if sandblasting or painting is not required for the subsequent processing of the product, the corresponding steps can be omitted.

[0022] In step S4, the old wood is boiled in lime water for 0.5 - 3 hours. In this embodiment, the boiling time is 1.5 hours. The boiling process can kill possible pests in the old wood and play a role in preventing mildew. The drying treatment in step S4 means that the washed wood is dried at a low temperature. The drying temperature is 45°C - 60°C, and the moisture content of the wood is controlled at 10% - 16%. In this embodiment, the drying temperature is 52°C, and the moisture content of the wood is controlled at 15%.

[0023] After drying the old wood in step S4, the old wood is carbonized. The carbonization temperature is 160°C - 190°C. During the carbonization process, the temperature rises every 0.5 - 3 hours, and each time it rises by 8°C - 15°C. The carbonization time is 10 - 40 hours. In this embodiment, the carbonization temperature is 160°C, the temperature is increased by 10°C every hour, and the carbonization time is 15 hours. After carbonization, the old wood is subjected to humidity adjustment treatment to increase the moisture content of the old wood so that the moisture content of the wood reaches 13%. During the carbonization process, carbon powder may form on the surface of the wood. Therefore, after carbonization, the surface carbon powder needs to be removed. This process can be carried out by vibration or high-pressure air flow. In addition, if there is a need for pattern design on the wood surface, secondary carbonization can be carried out to form specific patterns on the wood surface. Specifically, a specific pattern is cut out on the refractory material, and the refractory material is coated on the surface of the solid wood, and then short-time burning is carried out to carbonize the wood surface to form patterns.

[0024] The repair of the defects on the surface of the old wood in step S5 includes: A1, Check the type of defects on the surface of the old wood, and execute A2 or A3 according to the defect type; A2, If the defects on the surface of the old wood are ordinary damage and cracking, clean the surface defect area at this place, and then fill in the wood repair putty; A3, If the defects on the surface of the old wood are dead knots, rotten knots, and insect holes, use tools to remove the defective parts, spray alcohol on the area where the defective parts are removed and clean it, and then fill in the wood repair putty. At the same time, if it is found that the wood inside is rotten after removing the defective parts, it is judged to have no repair value and is treated as broken; A4, Grind the surface after filling the repair putty to make the repaired part and the surface of the old wood transition smoothly.

[0025] In addition, before using the repair putty for repair, the defect area is wetted with water-based paint to make the repair material and the wood have better wettability, which helps the repair putty and the wood to be closely combined, reducing the probability of cracking and falling off in the subsequent repair area.

[0026] Refer to Figures 1 - 3, the gluing device used in the gluing process includes a machine table 1, a conveying mechanism 2 arranged on the machine table 1, a gluing mechanism 3 arranged on the machine table 1, a feeding mechanism 4 arranged at the starting end of the conveying mechanism 2, and a discharging mechanism 5 arranged on the machine table 1. The discharging mechanism 5 is close to the end of the conveying mechanism 2; the gluing mechanism 3 includes a first gluing assembly 31 and a second gluing assembly 32 respectively located on both sides of the conveying mechanism 2. Both the first gluing assembly 31 and the second gluing assembly 32 include a first vertical module 311 arranged on the machine table 1, a first horizontal module 312 connected to the first vertical module 311, a moving plate 313 connected to the first horizontal module 312, a gluing driving part 314 arranged on the moving plate 313, and a glue gun 315 connected to the gluing driving part 314. In this embodiment, the gluing driving part 314 adopts a cylinder, and the cylinder is inclined so that the glue gun 315 can approach the wood in an inclined posture. In specific implementation, according to actual processing requirements, the gluing driving part 314 may not be inclined. With the cooperation of the first horizontal module 312 and the second horizontal module 53, the glue gun 315 can accurately apply the adhesive to the splicing surface of the wood. The feeding mechanism 4 places the wood to be glued, and the wood falls into the conveying mechanism 2 one by one. The conveying mechanism 2 conveys the wood to the gluing mechanism 3, and the gluing mechanism 3 glues the splicing surface of the wood. After gluing is completed, the conveying mechanism 2 conveys the wood to the position corresponding to the discharging mechanism 5, and the discharging mechanism 5 moves the wood out of the conveying mechanism 2 and transfers it to the next station for splicing operation.

[0027] The gluing device further includes a positioning component 6, and the positioning component 6 includes a lifting cylinder 61 arranged on the machine table 1 and a first jaw cylinder 62 connected to the output end of the lifting cylinder 61. The position of the positioning component 6 corresponds to that of the gluing mechanism 3. When the wood reaches above the positioning component 6, the lifting cylinder 61 rises, and the first jaw cylinder 62 clamps the wood to prevent deviation during the gluing process. After gluing is completed, the positioning component 6 resets, and the conveying mechanism 2 sends the wood away.

[0028] The conveying mechanism 2 includes a conveying bracket 21 arranged on the machine table 1 and two conveyor belts 22 arranged on the conveying bracket 21. The two conveyor belts 22 are driven by the same driving component. There is a gap between the two conveyor belts 22, and a number of partition members 23 are arranged on both of the two conveyor belts 22. The wood can be placed between two adjacent partition members 23. The positioning component 6 is located between the two conveyor belts 22.

[0029] The feeding mechanism 4 includes a feeding base 41 disposed on the conveying mechanism 2 and a feeding frame 42 detachably connected to the feeding base 41. A limiting member 43 is inserted at the bottom of the feeding frame 42, and the limiting member 43 can be pulled out and drawn. When feeding, the limiting member 43 is pulled out, and the wood can fall from the bottom. During actual operation, multiple feeding frames 42 can be prepared in advance, and wood is placed in the feeding frames 42. Thus, after the wood in one of the feeding frames 42 is emptied, another feeding frame 42 filled with wood can be quickly replaced. Specifically, the feeding frame 42 includes two side frames with grooves, and the two ends of the wood are located in the grooves, and multiple woods can be stacked vertically. Of course, the feeding frame 42 in this embodiment is adapted to the feeding of wooden squares and wooden strips, and the structure of the feeding frame 42 can be adjusted according to the shape of the wood during specific implementation.

[0030] The discharging mechanism 5 includes a rotary driving assembly 51 disposed on the machine table 1, a second vertical module 52 connected to the rotary driving assembly 51, a second horizontal module 53 connected to the second vertical module 52, a moving seat 54 connected to the second horizontal module 53, a lifting driving member 55 disposed on the moving seat 54, a lifting frame 56 connected to the output end of the lifting driving member 55, and a second jaw cylinder 57 connected to the lifting frame 56. Specifically, the rotary driving assembly 51 includes a motor and a speed reducer. The rotary driving assembly 51 can drive the second vertical module 52 to rotate, thereby driving the second jaw cylinder 57 to perform a circular movement. With the cooperation of the second vertical module 52 and the second horizontal module 53, the second jaw cylinder 57 can accurately clamp the wood and transfer the wood to a specified position. During specific implementation, a buffer bracket is further disposed on the lifting frame 56. The buffer bracket has a guide rod connected to the lifting frame 56, and a spring is sleeved on the guide rod, and the second jaw cylinder 57 is connected to the bottom of the buffer bracket, so as to play a buffering role during the downward movement of the second jaw cylinder 57 and avoid being damaged by hard contact.

[0031] During the specific working process, after the adhesive is prepared, the adhesive is conveyed to the glue gun 315. At the same time, the feeding frame 42 with the wood to be glued is placed at the feeding base 41, the limiting member 43 is pulled out, and the wood falls onto the conveyor belt 22. As the conveyor belt 22 moves, the wood falls one by one, realizing automatic feeding. When the wood reaches the positioning assembly 6, the conveyor belt 22 stops, the positioning assembly 6 clamps the wood, and the gluing mechanism 3 glues the splicing surface of the wood. After the gluing is completed, the positioning assembly 6 resets, and the wood continues to move, completing a gluing operation process. The conveyor belt 22 continuously conveys the wood until the wood reaches the position corresponding to the discharging mechanism 5, and the discharging mechanism 5 transfers the wood to the next working station. The gluing device can automatically glue the splicing surface of the wood, greatly improving the working efficiency.

[0032] In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the present invention.

[0033] In addition, the terms "first", "second", etc. are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first", "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality of" means two or more, unless otherwise specifically defined.

[0034] In the present invention, unless otherwise clearly specified and limited, terms such as "connection", "fixation", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] Although the description of the present invention is made in conjunction with the above specific embodiments, it is obvious that those skilled in the art can make many substitutions, modifications and changes based on the above content. Therefore, all such substitutions, improvements and changes are included within the scope of the appended claims.

Claims

1. A method for recycling and splicing old wood, characterized in that, It includes the following steps: Remove the metal parts from the old wood, screen the old wood, sieve out the old wood with severe damage, perform pre-treatment on the old wood to obtain old wood with regular shapes, soak, clean, and dry the pre-treated old wood, preset multiple reference dimensions for the wood, select several old woods according to the reference dimensions, process splicing surfaces on the old woods, use a gluing device to apply the prepared adhesive to the splicing surfaces, and then splice the old woods to obtain a spliced part. After the adhesive cures, perform post-treatment on the spliced part to obtain a reference part.

2. The method for recycling and splicing old wood according to claim 1, wherein It includes the following steps: S1. Remove the metal parts and additional components from the old wood and recycle the metal parts; S2. Screen the old wood and sieve out the old wood with severe damage and no repair value; S3. Perform pre-treatment on the old wood after removing the metal parts, cut the old wood with irregular shapes into regular shapes, and remove a predetermined thickness from the surface of the wood. The removed thickness needs to be greater than the thickness of the paint on the wood surface; S4. Soak and clean the pre-treated old wood, and then perform a drying treatment; S5. Screen out the old wood with surface defects and repair the defects on the surface of the old wood; S6. Preset multiple size ranges and classify the old wood according to the set size ranges; S7. Preset multiple reference dimensions for the wood, select the corresponding old woods from multiple size ranges according to the reference dimensions, perform pre-treatment before splicing, and process splicing surfaces; S8. Prepare the adhesive and use a gluing device to evenly apply the adhesive to the splicing surfaces of the old wood; S9. Splice the glued old wood to obtain a spliced part; S10. After the adhesive cures, perform post-treatment on the spliced part to obtain a reference part. The post-treatment includes cutting, grinding, sandblasting, and painting.

3. The method for recycling and splicing old wood according to claim 2, characterized in that, In step S4, the old wood is soaked in lime water for 0.5 - 3 h; the drying treatment in step S4 refers to low-temperature drying of the washed wood at a drying temperature of 45°C - 60°C, and controlling the moisture content of the wood at 10% - 16%.

4. The old wood recycling and splicing method according to claim 2, characterized in that, After drying the old wood in step S4, perform carbonization treatment on the old wood at a carbonization temperature of 160°C - 190°C. During the carbonization process, the temperature rises every 0.5 h - 3 h, and each time it rises by 8°C - 15°C. After carbonization, perform humidity adjustment treatment on the old wood to increase the moisture content of the old wood.

5. The method for recycling and splicing old wood according to claim 2, characterized in that, The repair of the defects on the surface of the old wood in step S5 includes: A1. Check the type of surface defects of the old wood and execute A2 or A3 according to the defect type; A2. If the surface defect of the old wood is ordinary damage and cracking, clean the surface defect area at this place, and then fill in wood repair putty; A3. If the surface defect of the old wood is a dead knot, rotten knot, or insect hole, use tools to remove the defective part, spray alcohol on the area where the defective part is removed and clean it, and then fill in wood repair putty; A4. Grind the surface after filling the repair putty to make the repaired part and the surface of the old wood transition smoothly.

6. The old wood recycling and splicing method according to claim 1, characterized in that The glue coating device for coating the prepared adhesive on the splicing surface includes a machine table, a conveying mechanism arranged on the machine table, a glue coating mechanism arranged on the machine table, a feeding mechanism arranged at the starting end of the conveying mechanism, and a discharging mechanism arranged on the machine table. The discharging mechanism is close to the end of the conveying mechanism; the glue coating mechanism includes a first glue coating assembly and a second glue coating assembly respectively located on both sides of the conveying mechanism; both the first glue coating assembly and the second glue coating assembly include a first vertical module arranged on the machine table, a first horizontal module connected to the first vertical module, a moving plate connected to the first horizontal module, a glue coating driving part arranged on the moving plate, and a glue gun connected to the glue coating driving part.

7. The old wood recycling and splicing method according to claim 6, characterized in that, The glue coating device further includes a positioning component, and the positioning component includes a lifting cylinder arranged on the machine table and a first jaw cylinder connected to the output end of the lifting cylinder.

8. The method for recycling and splicing old wood according to claim 7, characterized in that, The conveying mechanism includes a conveying bracket arranged on the machine table and two conveyor belts arranged on the conveying bracket. There is a gap between the two conveyor belts, and a number of partition members are arranged on both of the two conveyor belts; the positioning component is located between the two conveyor belts.

9. The method for recycling and splicing old wood according to claim 6, characterized in that, The feeding mechanism includes a feeding seat arranged on the conveying mechanism and a feeding frame detachably connected to the feeding seat. A limiting member is inserted at the bottom of the feeding frame.

10. The method for recycling and splicing old wood according to claim 6, wherein, The discharging mechanism includes a rotation driving component arranged on the machine table, a second vertical module connected to the rotation driving component, a second horizontal module connected to the second vertical module, a moving seat connected to the second horizontal module, a lifting driving part arranged on the moving seat, a lifting frame connected to the output end of the lifting driving part, and a second jaw cylinder connected to the lifting frame.

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