Machining device of wood-plastic composite board finishing cutter

Abstract

The invention provides a machining device of a wood-plastic composite board fine trimming cutter, and relates to the field of metal processing.The machining device comprises a machining assembly, the machining assembly comprises a driving mechanism, a switching mechanism and tool mechanisms, and the machining assembly is provided with multiple sets of tool mechanisms for storage and use; machining rotating rods with different functions can be fixed to drill chucks of all the tool mechanisms for standby application, the corresponding machining rotating rods can be switched for use through the switching mechanism, manual assembly and disassembly operation is not needed during machining, meanwhile, machining operation can be achieved only when the machining rotating rods of the tool mechanisms are used downwards, and machining efficiency is improved. The problems that when an existing finishing tool machining device conducts machining in different procedures, machining rotating rods with corresponding functions need to be manually replaced on a drill chuck, the operation is very troublesome, the machining rotating rods cannot be automatically switched for use, and the machining efficiency is high are solved. And frequent mounting and dismounting operations are also easy to cause damage to the machining rotating rod or the drill chuck.

Description

Technical Field

[0001] The present invention relates to the technical field of metal processing, and particularly relates to a processing device for a finishing tool of a wood-plastic composite board. Background Art

[0002] The wood-plastic composite board is made of wood fibers, plastics and other additives through processes such as hot pressing, and has the advantages of both wood and plastics. In the production process of the wood-plastic composite board, problems such as burrs and unevenness are likely to occur on the edge of the board, which greatly affects the appearance and dimensional accuracy of the board. Therefore, it is necessary to finish the wood-plastic composite board with a finishing tool. The finishing tool is generally a metal product with a sharp edge. In the processing process of the finishing tool, operations such as drilling, grinding or reaming holes are often required on the tool body to facilitate the assembly and use of the finishing tool.

[0003] However, for the existing processing device for the finishing tool of the wood-plastic composite board, when performing processing of different processes (such as drilling and grinding inside the hole), it is necessary for workers to replace the processing rods with corresponding functions (such as drill bits, grinding heads) on the drill chuck, which is very troublesome and cannot realize automatic switching of the processing rods for use. Moreover, frequent installation and disassembly operations are likely to cause damage to the processing rods or the drill chuck, resulting in poor stability and flexibility and low practicability. Summary of the Invention

[0004] An embodiment of the present disclosure relates to a processing device for a finishing tool of a wood-plastic composite board, which has a processing component. The processing component has multiple sets of tooling mechanisms for reserve use. Different functional processing rods (such as drilling bits, grinding heads, reaming bits, etc.) can be fixed on the drill chuck of each set of tooling mechanisms for standby. Through a switching mechanism, the corresponding processing rods can be switched for use. During processing, there is no need for manual installation and disassembly operations. At the same time, the driving mechanism can only drive the processing rod of the tooling mechanism used downward to rotate automatically to realize the processing operation, and the processing rods of the other tooling mechanisms will not rotate, and the use is safe and stable, with extremely strong flexibility, stability and practicability.

[0005] In the first aspect of the present disclosure, a processing device for a finishing tool of a wood-plastic composite board is provided, which specifically includes: a seat body component, the seat body component includes a workbench, a support column and an electric push rod, the support column is fixedly installed on the top of the workbench, and the electric push rod is fixedly installed on the top of the support column; a processing component is further included, and the processing component includes a driving mechanism, a switching mechanism and a tooling mechanism; The driving mechanism includes a mounting disk, a driving shaft and a driving motor. The mounting disk is fixedly mounted on the bottom of the push rod of the electric push rod, and the driving shaft is rotatably connected to the inside of the mounting disk, and the driving motor is fixedly mounted on the side of the mounting disk; the switching mechanism includes a switching disk and a switching motor. The switching disk is rotatably connected to the side of the mounting disk, and the switching motor is fixedly mounted on the side of the mounting disk; the tooling mechanism includes a radial retainer, a transmission shaft and a connecting shaft. The radial retainer is plugged into the side of the switching disk, and the transmission shaft is plugged into the inside of the connecting shaft. The connecting shaft is rotatably connected to the inside of the radial retainer, and the connecting shaft is plugged into the side of the switching disk.

[0006] In at least some embodiments, the drive motor and the drive shaft are connected via a gear set, a switching worm is provided on the outside of the rotating shaft of the switching motor, a positioning worm is provided on the outside of the rotating shaft of the switching disk, and the switching worm is connected to the positioning worm.

[0007] In at least some embodiments, a displacement guide groove is provided inside the mounting plate, and a displacement guide rod is provided on the side of the radial retainer, and the displacement guide rod is inserted into the displacement guide groove.

[0008] In at least some embodiments, the displacement guide groove includes a positioning groove arranged in a transverse straight line and two arc-shaped separation grooves, the two separation grooves are symmetrically arranged, and the bottom ends of the groove bodies of the two separation grooves are respectively connected to the groove bodies at both ends of the positioning groove.

[0009] In at least some embodiments, an anti-stuck spring is provided inside the transmission shaft, and two ends of the anti-stuck spring respectively abut against the inside of the transmission shaft and the inside of the connecting shaft.

[0010] In at least some embodiments, a processing gear is provided at the outer end of the transmission shaft, and a driving gear is provided on one side of the driving shaft. When the displacement guide rod is located at the end of the separation groove away from the positioning groove, the driving gear and the processing gear are separated from each other. When the displacement guide rod is located inside the positioning groove, the gear teeth of the driving gear and the processing gear are engaged for transmission.

[0011] In at least some embodiments, a track block with a cross-section is provided on the side of the radial retainer, and a track groove is provided inside the switching disk, and the track block is inserted into the inside of the track groove.

[0012] In at least some embodiments, the middle shaft body cross-section of the transmission shaft is a regular polygon, and a synchronization groove is provided inside the connecting shaft, and the shaft body portion of the transmission shaft with a regular polygon cross-section is inserted into the synchronization groove.

[0013] In at least some embodiments, a drill chuck is fixedly connected to the outer end of the connecting shaft, and two sets of tooling mechanisms are provided, the angle between the two sets of tooling mechanisms is ninety degrees, and processing rotating rods with different functions are respectively fixed to the outside of the drill chucks of the two sets of tooling mechanisms.

[0014] In at least some embodiments, the displacement guiding groove further includes a circulation groove, and the circulation groove is designed as an arc-shaped groove body. The two ends of the groove body of the circulation groove are respectively connected to the groove bodies at the tops of the two separation grooves. When the displacement guiding rod is located inside the circulation groove, the driving gear and the processing gear are separated from each other.

[0015] The processing device of the wood-plastic composite board finishing tool provided by the present invention has the following beneficial effects.

[0016] The processing assembly is equipped with multiple sets of tooling mechanisms for reserve use. Different functional processing rods (such as drilling bits, grinding heads, reaming bits, etc.) can be fixed on the drill chucks of each set of tooling mechanisms for standby. Through the switching mechanism, the corresponding processing rods can be switched for use. During processing, there is no need for manual installation and disassembly operations. At the same time, the driving mechanism can only drive the processing rod of the downward-facing tooling mechanism to rotate self-rotationally to achieve the processing operation, and the processing rods of the other tooling mechanisms will not rotate, ensuring safe and stable use and improving the flexibility, adaptability, and practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly introduced below.

[0018] The following drawings in the description only relate to some embodiments of the present invention and do not limit the present invention.

[0019] In the drawings: Figure 1 is the structural schematic diagram of Embodiment 1 of the present invention.

[0020] Figure 2 is the structural schematic diagram of the interior of the back side of the processing assembly in Embodiment 1 of the present invention.

[0021] Figure 3 is the structural schematic diagram of the interior of the front side of the processing assembly in Embodiment 1 of the present invention.

[0022] Figure 4 is the present invention Figure 3 The enlarged structural schematic diagram of part A.

[0023] Figure 5 is the structural schematic diagram of the driving mechanism after disassembly in Embodiment 1 of the present invention.

[0024] Figure 6 is the structural schematic diagram of the switching mechanism after disassembly in the present invention.

[0025] Figure 7 is the structural schematic diagram of the tooling mechanism after disassembly in the present invention.

[0026] Figure 8 is the switching of the present inventionFigure 3 Schematic diagram of the internal structure after the use of the tooling mechanism.

[0027] Figure 9 Schematic diagram of the structure of the processing component in Embodiment 2 of the present invention.

[0028] Figure 10 is the present invention Figure 9 Schematic diagram of the internal structure.

[0029] Figure 11 Schematic diagram of the structure of the displacement guiding groove in Embodiment 2 of the present invention.

[0030] List of reference numerals 1. Base body assembly; 101. Workbench; 102. Support column; 103. Electric push rod; 2. Driving mechanism; 201. Mounting plate; 211. Displacement guiding groove; 2111. Positioning groove; 2112. Separation groove; 2113. Circulation groove; 202. Driving shaft; 2021. Driving gear; 203. Driving motor; 3. Switching mechanism; 301. Switching disk; 3011. Positioning worm gear; 3012. Track groove; 302. Switching motor; 3021. Switching worm; 4. Tooling mechanism; 401. Radial cage; 4011. Displacement guiding rod; 4012. Track block; 402. Transmission shaft; 4021. Machining gear; 4022. Anti-jamming spring; 403. Connecting shaft; 4031. Synchronization groove; 5. Drill chuck. Detailed implementation manners

[0031] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the described embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0032] Please refer to Figures 1 to 11 as shown in Embodiment 1: The present invention provides a processing device for a fine trimming tool of a wood-plastic composite board, including a base body assembly 1, the base body assembly 1 includes a workbench 101, a support column 102, and an electric push rod 103. The support column 102 is fixedly installed on the top of the workbench 101, and the electric push rod 103 is fixedly installed on the top of the support column 102; it further includes a processing component, and the processing component includes a driving mechanism 2, a switching mechanism 3, and a tooling mechanism 4; The driving mechanism 2 includes a mounting disc 201, a driving shaft 202, and a driving motor 203. The mounting disc 201 is fixedly installed at the bottom of the push rod of the electric push rod 103, and the driving shaft 202 is rotatably connected inside the mounting disc 201. The driving motor 203 is fixedly installed on the side of the mounting disc 201. The switching mechanism 3 includes a switching disc 301 and a switching motor 302. The switching disc 301 is rotatably connected to the side of the mounting disc 201, and the switching motor 302 is fixedly installed on the side of the mounting disc 201. The tooling mechanism 4 includes a radial cage 401, a transmission shaft 402, and a connecting shaft 403. The radial cage 401 is inserted into the side of the switching disc 301, the transmission shaft 402 is inserted into the inside of the connecting shaft 403, the connecting shaft 403 is rotatably connected inside the radial cage 401, and the connecting shaft 403 is inserted into the side of the switching disc 301. A drill chuck 5 is fixedly connected to the outer end of the connecting shaft 403, and there are two sets of tooling mechanisms 4. The included angle between the two sets of tooling mechanisms 4 is 90 degrees. Different functional processing rods are respectively fixed to the outside of the drill chucks 5 of the two sets of tooling mechanisms 4.

[0033] In the embodiment of the present disclosure, the driving motor 203 and the driving shaft 202 are connected by a gear set in transmission. A switching worm 3021 is provided on the outer part of the rotating shaft of the switching motor 302. During use, the electric push rod 103 can drive the processing component to move up and down, so as to realize the processing operation of the finishing tool positioned on the workbench 101. The driving mechanism 2 can drive the processing rod of the tooling mechanism 4 used downward to rotate self, so as to realize operations such as drilling and internal hole grinding of the finishing tool. When the driving motor 203 rotates, it can drive the driving shaft 202 to rotate through the gear set. Since the displacement guide rod 4011 of the tooling mechanism 4 used downward is located inside the positioning groove 2111, the processing gear 4021 of this set of tooling mechanisms 4 will mesh with the driving gear 2021 on the driving shaft 202 for transmission. Therefore, when the driving shaft 202 rotates, the driving gear 2021 can drive the transmission shaft 402 to rotate through the processing gear 4021. The cross-sectional shape of the middle shaft body of the transmission shaft 402 is a regular polygon, and a synchronous groove 4031 is provided inside the connecting shaft 403. The shaft body part with a regular polygon cross-section of the transmission shaft 402 is inserted into the synchronous groove 4031. When the transmission shaft 402 rotates, it can drive the connecting shaft 403 to rotate self through the synchronous groove 4031. When the connecting shaft 403 rotates self, it can drive the drill chuck 5 and the processing rod to rotate, realizing the processing operation of the finishing tool. The displacement guide rod 4011 of the other set of tooling mechanisms 4 is located at one end of the separation groove 2112 far from the positioning groove 2111 inside. The processing gear 4021 of this set of tooling mechanisms 4 will be separated from the driving gear 2021 on the driving shaft 202. Therefore, the processing rod of this set of tooling mechanisms 4 will not rotate, and the use is safe and stable.

[0034] In the embodiments of the present disclosure, a positioning worm gear 3011 is provided outside the rotating shaft of the switching disk 301. The switching worm 3021 is in transmission connection with the positioning worm gear 3011. A displacement guiding groove 211 is provided inside the mounting disk 201. And a displacement guiding rod 4011 is provided on the side surface of the radial cage 401. The displacement guiding rod 4011 is inserted into the displacement guiding groove 211. The displacement guiding groove 211 includes a positioning groove 2111 arranged horizontally in a straight line and two arc-shaped separation grooves 2112. The two separation grooves 2112 are symmetrically arranged, and the bottom ends of the groove bodies of the two separation grooves 2112 are respectively connected to the two ends of the groove body of the positioning groove 2111. A machining gear 4021 is provided at the outer end of the transmission shaft 402, and a driving gear 2021 is provided on one side of the driving shaft 202. When the displacement guiding rod 4011 is located at the end of the separation groove 2112 far from the positioning groove 2111, the driving gear 2021 and the machining gear 4021 are separated from each other. When the displacement guiding rod 4011 is located inside the positioning groove 2111, the teeth of the driving gear 2021 and the machining gear 4021 are meshed and driven. During use, the switching mechanism 3 can realize the switching and use of the tooling mechanism 4. Thus, through the machining rotating rods on different tooling mechanisms 4, multi-process machining of the machining tool can be realized without disassembling the machining rotating rod. Taking the drill chucks 5 of two groups of tooling mechanisms 4 respectively fixing the drill bit and the grinding head as an example, the machining assembly is driven to move downward by the electric push rod 103. The drill bit on the tooling mechanism 4 used downward can be used to perform drilling machining operations on the finishing tool. After the drilling machining is completed, the tooling mechanism 4 is switched by the switching motor 302 for subsequent machining operations. When the switching motor 302 rotates, the switching worm 3021 can drive the switching disk 301 to rotate through the positioning worm gear 3011. When the switching disk 301 rotates, it can drive two groups of tooling mechanisms 4 to rotate synchronously. Thus, under the guiding action of the displacement guiding groove 211, the tooling mechanism 4 originally used downward (equipped with a drill bit) will be switched to horizontal use, and the displacement guiding rod 4011 will drive the radial cage 401 to move outward along the track groove 3012 under the guiding action of the separation groove 2112. When the radial cage 401 moves, it can drive the connecting shaft 403 to move synchronously. Thus, the machining gear 4021 of this group of tooling mechanisms 4 will be separated from the driving gear 2021. And the other group of tooling mechanisms 4 (equipped with a grinding head) will be switched to the state of being used downward after following the switching disk 301 to rotate. The displacement guiding rod 4011 of this group of tooling mechanisms 4 will enter the positioning groove 2111 from the separation groove 2112. Thus, under the limiting action of the positioning groove 2111 and the track groove 3012, the teeth of the machining gear 4021 and the driving gear 2021 are meshed and driven. After that, when this group of tooling mechanisms 4 moves up and down, the inner hole grinding machining operation can be performed on the drilled hole through the grinding head. The switching is convenient and the use is flexible. The two groups of tooling mechanisms 4 can be cyclically used by the forward and reverse rotation of the switching disk 301.

[0035] In an embodiment of the present disclosure, an anti-jamming spring 4022 is provided inside the transmission shaft 402, and both ends of the anti-jamming spring 4022 respectively abut against the inside of the transmission shaft 402 and the inside of the connecting shaft 403. During use, the design of the anti-jamming spring 4022 enables the transmission shaft 402 to move into the inside of the connecting shaft 403 to avoid and compress the anti-jamming spring 4022 when misalignment or other phenomena occur during the process of the machining gear 4021 and the driving gear 2021 separating and then meshing. This can prevent the machining gear 4021 and the driving gear 2021 from being rigidly damaged during meshing. Subsequently, under the action of the anti-jamming spring 4022, when the gears rotate, the teeth can automatically mesh and transmit power under the rotation of the gears, further improving the stability of the device.

[0036] In an embodiment of the present disclosure, a track block 4012 with a cross-shaped cross-section is provided on the side of the radial cage 401, and a track groove 3012 is provided inside the switching disk 301. The track block 4012 is inserted into the track groove 3012. The track groove 3012 can limit the movement trajectory of the radial cage 401 through the track block 4012, thereby preventing the radial cage 401 from being skewed, distorted, and jammed during the use of the switching tooling mechanism 4, and ensuring stable use.

[0037] Specific usage method and function of this embodiment: In the present invention, the electric push rod 103 can drive the processing component to move up and down, so as to realize the processing operation of the precision trimming tool positioned on the workbench 101. And the driving mechanism 2 can drive the processing rotating rod of the tooling mechanism 4 used downward to rotate self, so as to realize operations such as drilling and internal hole grinding of the precision trimming tool. When the driving motor 203 rotates, it can drive the driving shaft 202 to rotate through the gear set. Since the displacement guiding rod 4011 of the tooling mechanism 4 used downward is located inside the positioning groove 2111, the processing gear 4021 of this group of tooling mechanisms 4 will mesh and drive with the driving gear 2021 on the driving shaft 202. Therefore, when the driving shaft 202 rotates, the driving gear 2021 can drive the transmission shaft 402 to rotate through the processing gear 4021. When the transmission shaft 402 rotates, it can drive the connecting shaft 403 to rotate self through the synchronous groove 4031. When the connecting shaft 403 rotates self, it can drive the drill chuck 5 and the processing rotating rod to rotate, realizing the processing operation of the precision trimming tool. And the displacement guiding rod 4011 of the other group of tooling mechanisms 4 is located at one end of the separation groove 2112 far from the positioning groove 2111. The processing gear 4021 of this group of tooling mechanisms 4 will be separated from the driving gear 2021 on the driving shaft 202. Therefore, the processing rotating rod of this group of tooling mechanisms 4 will not rotate. The switching mechanism 3 can realize the switching use of the tooling mechanism 4. Thus, through the processing rotating rods on different tooling mechanisms 4, multi-process processing of the processing tool can be realized without disassembling the processing rotating rod. Taking the drill bit and the grinding head fixed on the drill chucks 5 of the two groups of tooling mechanisms 4 as an example, by driving the processing component to move down by the electric push rod 103, the drill bit on the tooling mechanism 4 used downward can be used to perform the drilling processing operation on the precision trimming tool. After the drilling processing is completed, the tooling mechanism 4 is switched through the switching motor 302 for subsequent processing operations. When the switching motor 302 rotates, the switching worm 3021 can drive the switching disk 301 to rotate through the positioning worm gear 3011. When the switching disk 301 rotates, it can drive the two groups of tooling mechanisms 4 to rotate synchronously. Thus, under the guiding action of the displacement guiding groove 211, the tooling mechanism 4 originally used downward (installed with the drill bit) will be switched to horizontal use. And the displacement guiding rod 4011 will drive the radial cage 401 to move outward along the track groove 3012 under the guiding action of the separation groove 2112. When the radial cage 401 moves, it can drive the connecting shaft 403 to move synchronously. Therefore, the processing gear 4021 of this group of tooling mechanisms 4 will be separated from the driving gear 2021. And the other group of tooling mechanisms 4 (installed with the grinding head) will be switched to the state of being used downward after following the switching disk 301 to rotate. The displacement guiding rod 4011 of this group of tooling mechanisms 4 will enter into the positioning groove 2111 from the separation groove 2112. Thus, under the limiting action of the positioning groove 2111 and the track groove 3012, the teeth of the processing gear 4021 and the driving gear 2021 mesh and drive. After that, when this group of tooling mechanisms 4 is lifted and lowered, the internal hole grinding processing operation can be performed on the already drilled hole through the grinding head.By switching the forward and reverse rotation of the switching disk 301, the cyclic use of two sets of tooling mechanisms 4 can be realized. The design of the anti-jamming top spring 4022 enables the processing gear 4021 and the driving gear 2021 to move inwardly into the connecting shaft 403 and compress the anti-jamming top spring 4022 to avoid rigid damage when the teeth are misaligned or the like during the process of separating and engaging. Thereby, the phenomenon of rigid damage when the processing gear 4021 and the driving gear 2021 are engaged is avoided. Thereafter, under the action of the anti-jamming top spring 4022, when the gear rotates, the teeth can automatically engage and transmit under the rotation of the gear.

[0038] Embodiment 2: On the basis of Embodiment 1, the displacement guiding groove 211 further includes a circulation groove 2113, and the circulation groove 2113 is designed as an arc-shaped groove body. The two ends of the groove body of the circulation groove 2113 are respectively connected to the groove bodies at the tops of the two separation grooves 2112. When the displacement guiding rod 4011 is located inside the circulation groove 2113, the driving gear 2021 and the processing gear 4021 are separated from each other.

[0039] In the embodiments of the present disclosure, the number of the tooling mechanisms 4 provided is no longer limited to two groups, and the number can be increased or decreased. The design of the circulation groove 2113 enables the cyclic switching use of multiple groups of tooling mechanisms 4 by the one-way rotation of the switching disk 301. Moreover, by respectively installing processing rotating rods with different functions on multiple groups of tooling mechanisms 4, the function of sequentially processing a processing tool in multiple processes can be realized. Taking the use of four groups of tooling mechanisms 4 as an example, a drilling bit, a grinding head, a reaming bit, and a grinding head are respectively installed on the four groups of tooling mechanisms 4. The processing assembly can realize the processing of drilling, internal hole grinding, reaming, and internal hole grinding of the processing tool, and the processing rotating rod does not need to be disassembled and replaced during the whole processing process, and four processing processes can be completed at one time, which is flexible and convenient to use.

[0040] The specific usage mode and function of this embodiment: In the present invention, the continuous one-way rotation of the switching disk 301 can realize the cyclic switching use of multiple groups of tooling mechanisms 4, so as to be able to batch process the fine trimming tools for wood-plastic composite boards, and each fine trimming tool can complete multiple processing processes at one time. The number of processing processes can be adjusted by the number of the tooling mechanisms 4 provided and the type of the processing rotating rod provided.

[0041] In this article, the following points need to be noted: 1. The drawings of the embodiments of the present disclosure only relate to the structures involved in the embodiments of the present disclosure, and other structures can refer to the general design.

[0042] 2. Without conflict, the embodiments of the present disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0043] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present disclosure can easily think of changes or substitutions, which should all be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims

1. A processing device for a wood-plastic composite board finishing tool, comprising: A seat assembly (1), the seat assembly (1) comprising a workbench (101), a support column (102) and an electric push rod (103), the support column (102) being fixedly mounted on the top of the workbench (101), and the electric push rod (103) being fixedly mounted on the top of the support column (102); characterized in that it also comprises a processing assembly, the processing assembly comprising a driving mechanism (2), a switching mechanism (3) and a tooling mechanism (4); The driving mechanism (2) comprises a mounting plate (201), a driving shaft (202) and a driving motor (203); the mounting plate (201) is fixedly mounted on the bottom of the electric push rod (103), and the driving shaft (202) is rotatably connected to the inside of the mounting plate (201); the driving motor (203) is fixedly mounted on the side of the mounting plate (201); the switching mechanism (3) comprises a switching plate (301) and a switching motor (302); the switching plate (301) is rotatably connected to the mounting plate (201) ), and the switching motor (302) is fixedly mounted on the side of the mounting plate (201); the tooling mechanism (4) comprises a radial retainer (401), a transmission shaft (402) and a connecting shaft (403); the radial retainer (401) is plugged into the side of the switching plate (301), and the transmission shaft (402) is plugged into the interior of the connecting shaft (403); the connecting shaft (403) is rotatably connected to the interior of the radial retainer (401), and the connecting shaft (403) is plugged into the side of the switching plate (301).

2. A processing device for a wood-plastic composite board finishing tool as claimed in claim 1, characterized in that: The driving motor (203) and the driving shaft (202) are connected in transmission via a gear set, and a switching worm (3021) is provided on the outside of the rotating shaft of the switching motor (302), and a positioning worm wheel (3011) is provided on the outside of the rotating shaft of the switching disk (301), and the switching worm (3021) is connected in transmission with the positioning worm wheel (3011).

3. A processing device for a wood-plastic composite board finishing tool as claimed in claim 2, characterized in that: A displacement guide groove (211) is provided inside the mounting plate (201), and a displacement guide rod (4011) is provided on the side of the radial retainer (401), and the displacement guide rod (4011) is inserted into the displacement guide groove (211).

4. A processing device for a wood-plastic composite board finishing tool as claimed in claim 3, characterized in that: The displacement guide groove (211) comprises a positioning groove (2111) arranged in a transverse straight line and two arc-shaped separation grooves (2112); the two separation grooves (2112) are arranged symmetrically, and the bottom ends of the groove bodies of the two separation grooves (2112) are respectively connected to the groove bodies at both ends of the positioning groove (2111).

5. A processing device for a wood-plastic composite board finishing tool as claimed in claim 4, characterized in that: An anti-stuck spring (4022) is provided inside the transmission shaft (402), and two ends of the anti-stuck spring (4022) respectively abut against the inside of the transmission shaft (402) and the inside of the connecting shaft (403).

6. A processing device for a wood-plastic composite board finishing tool as claimed in claim 5, characterized in that: The outer end of the transmission shaft (402) is provided with a processing gear (4021), and one side of the driving shaft (202) is provided with a driving gear (2021); when the displacement guide rod (4011) is located at one end of the separation groove (2112) away from the positioning groove (2111), the driving gear (2021) and the processing gear (4021) are separated from each other; when the displacement guide rod (4011) is located in the positioning groove (2111), the gear teeth of the driving gear (2021) and the processing gear (4021) are meshed for transmission.

7. A processing device for a wood-plastic composite board finishing tool as claimed in claim 6, characterized in that: A track block (4012) having a "cross"-shaped cross section is provided on the side surface of the radial retainer (401), and a track groove (3012) is provided inside the switching disk (301), and the track block (4012) is inserted into the inside of the track groove (3012).

8. A processing device for a wood-plastic composite board finishing tool as claimed in claim 7, characterized in that: The cross-sectional shape of the middle shaft body of the transmission shaft (402) is a regular polygon, and a synchronization groove (4031) is provided inside the connecting shaft (403), and the shaft body portion of the transmission shaft (402) with a regular polygonal cross-section is inserted into the synchronization groove (4031).

9. A processing device for a wood-plastic composite board finishing tool as claimed in claim 8, characterized in that: The outer end of the connecting shaft (403) is fixedly connected to a drill chuck (5), and two sets of tooling mechanisms (4) are provided, the angle between the two sets of tooling mechanisms (4) is ninety degrees, and processing rotating rods with different functions are respectively fixed to the outside of the drill chucks (5) of the two sets of tooling mechanisms (4).

10. A processing device for a wood-plastic composite board finishing tool as claimed in claim 6, characterized in that: The displacement guide groove (211) further comprises a circulation groove (2113), and the circulation groove (2113) is designed as an arc-shaped groove body, and the two ends of the groove body of the circulation groove (2113) are respectively connected to the groove bodies at the top ends of the two separation grooves (2112), and when the displacement guide rod (4011) is located inside the circulation groove (2113), the driving gear (2021) and the processing gear (4021) are separated from each other.

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