CN117863291A

CN117863291A - Benchmark thickness structure and wooden furniture former thicknessing device

Info

Publication number: CN117863291A
Application number: CN202211312289.1A
Authority: CN
Inventors: 方超; 张波
Original assignee: Hengdong Oumu Custom Furniture Co ltd
Current assignee: Hengdong Oumu Custom Furniture Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2024-04-12

Abstract

The invention relates to a standard thickness-fixing structure and a wood furniture raw material thicknessing device, which comprises a base and a planing tool arranged on the base, and further comprises: the transverse moving assembly is arranged on the base and is used for carrying wood and driving the wood to move along the length direction of the base; the abutting mechanism is arranged on the base and is communicated with the transverse moving assembly, the abutting mechanism comprises a measuring assembly and a locking assembly, an abutting wheel is rotatably arranged on the measuring assembly, when the abutting wheel abuts against the end part of the wood, the abutting wheel can move upwards on the measuring assembly along the vertical direction in space, and when the abutting wheel moves to the upper surface of the wood, the measuring assembly controls the transverse moving assembly to stop moving; the locking assembly is used for enabling the measuring assembly to be in one-way locking with the base when the abutting wheel moves to the upper surface of the wood, so that the initial height of the planing tool is adjusted according to the actual thickness of the wood, and the practicability of the thicknesser device is improved.

Description

Benchmark thickness structure and wooden furniture former thicknessing device

Technical Field

The invention relates to the field of wood treatment, in particular to a standard thickness-fixing structure and a wood furniture raw material thicknessing device.

Background

In recent years, along with the rapid development of real estate, the decoration industry is rapidly developed, and along with the arrival of industrialized age, the construction efficiency of the decoration industry is greatly improved.

Taking the wood used in decoration as an example, owners desire to process the wood with higher precision while selecting formaldehyde-free wood so that the decoration meets the expectations of the owners as much as possible, while in the wood processing, thicknessing is an indispensable procedure, when the existing wood thicknesser is used, the height of the planing tool needs to be adjusted according to different wood thicknesses, which is very complicated, and when the height of the planing tool is adjusted, if deviation exists, the wood is wasted, so that the decoration cost is increased.

Disclosure of Invention

The invention aims to provide a standard thickness fixing structure and a wood furniture raw material thicknessing device so as to solve the problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions:

the utility model provides a benchmark thickness structure, includes the base and sets up the planer tool on the base still includes:

the transverse moving assembly is arranged on the base and is used for carrying wood and driving the wood to move along the length direction of the base;

the abutting mechanism is arranged on the base and is communicated with the transverse moving assembly, the abutting mechanism comprises a measuring assembly and a locking assembly, an abutting wheel is rotatably arranged on the measuring assembly, when the abutting wheel abuts against the end part of the wood, the abutting wheel can move upwards on the measuring assembly along the vertical direction in space, and when the abutting wheel moves to the upper surface of the wood, the measuring assembly controls the transverse moving assembly to stop moving;

the locking assembly is used for enabling the measuring assembly to be locked with the base in a one-way mode when the abutting wheel moves to the upper surface of wood.

As a further scheme of the invention: the sideslip subassembly is including following a spout that base length direction set up, sliding mounting has a slider in a spout, be fixed with the board of bearing on the slider, just a slider with set up the cylinder of base bottom is connected, the cylinder with the measurement assembly communication.

As still further aspects of the invention: the measuring assembly comprises two second sliding grooves symmetrically arranged on the base, a second sliding block is slidably arranged in the second sliding grooves, a transverse moving part is fixed on the second sliding block, lifting clamping plates are arranged in the transverse moving part, sliding parts are fixed at two ends of the clamping plates, the sliding parts slide in vertical grooves formed in the side walls of the transverse moving part, pulleys are further rotatably arranged on the sliding parts, and the pulleys are in sliding fit with guide plates fixed on the base;

the second sliding groove is also fixedly provided with a first cross rod which is in sliding connection with the second sliding block, a first spring is sleeved on the first cross rod, one end of the first spring is connected with the side wall of the second sliding groove, and the other end of the first spring is connected with the second sliding block;

the measurement assembly further includes a trigger structure disposed on the clamping plate.

As still further aspects of the invention: the trigger structure comprises an embedding groove formed on the clamping plate, an embedding block is slidably arranged in the embedding groove, and the embedding block penetrates through the clamping plate and is in rotary connection with the abutting wheel;

a second cross rod is fixed in the jogging groove and is in sliding connection with the jogging block, and a second spring connected with the jogging block is sleeved on the second cross rod;

the embedded block is fixedly provided with a contact switch communicated with the air cylinder, and the contact switch is matched with a fixed block fixed on the clamping plate.

As still further aspects of the invention: the locking assembly comprises a fixed sleeve fixedly installed on the transverse moving part and a lifting part arranged in the fixed sleeve in a sliding mode, a locking block is fixed at the bottom of the lifting part, and the locking block is matched with a stop groove arranged on the base.

The utility model provides a wooden furniture raw material thicknessing device, includes benchmark thickness structure, still includes:

the mounting plate is parallel to the base and is connected with the yoke plate fixed on the clamping plate;

the power assembly is arranged on the mounting plate and can drive the planing tool to reciprocate along the length direction of the mounting plate;

the stepping down assembly is arranged between the mounting plate and the power assembly, and can drive the planing tool to move downwards when the planing tool moves to an initial position.

As still further aspects of the invention: the power assembly comprises a belt transmission module arranged on the mounting plate, the belt transmission module is connected with a driving device fixed on the mounting plate, and a protruding shaft is fixed on the belt transmission module;

the power assembly further comprises a horizontal groove formed in the mounting plate, a reciprocating frame is slidably mounted in the horizontal groove, and a third sliding groove which is slidably matched with the protruding shaft is formed in the reciprocating frame.

As still further aspects of the invention: the stepping down assembly comprises a connecting piece fixedly connected with the reciprocating frame, a screw rod is rotatably arranged on the connecting piece, a threaded sleeve matched with the screw rod in a threaded manner is arranged on the screw rod, the threaded sleeve is in sliding connection with two guide rods fixed on the reciprocating frame, and the threaded sleeve is connected with the planing tool;

the upper part of the screw rod is coaxially connected with a ratchet wheel, and the ratchet wheel is matched with a ratchet plate arranged on the mounting plate.

Compared with the prior art, the invention has the beneficial effects that:

the wood height measurement is realized through the arranged abutting mechanism, the clamping plate is connected with the planing tool, and the planing tool is synchronously lifted when the clamping plate is lifted, so that the height of the planing tool can be automatically adjusted according to the actual thickness of the wood before thicknessing the wood, the tedious operation of manually adjusting the height of the planing tool before thicknessing the wood is omitted, and the production efficiency is improved;

through the power component and the stepping down component that set up, make reciprocal frame in timber top reciprocating motion, carry out the thicknessing to timber and handle, compare in the manual thicknessing in the past, obvious mechanized thicknessing mode saves manpower resources more, when the planer tool resets at every turn, will move certain stroke volume downwards to imitate manual thicknessing action, improve the thicknessing effect.

Drawings

Fig. 1 is a schematic structural view of an embodiment of a reference gauge structure and a wood furniture log thicknessing device.

Fig. 2 is a schematic view of a reference thickness structure and a wood furniture log thicknessing device according to another embodiment.

Fig. 3 is a schematic structural view of an abutment mechanism in an embodiment of a reference gauge structure and a wood furniture log thicknessing device.

Fig. 4 is an enlarged schematic view of the structure at a in fig. 3.

Fig. 5 is a schematic view of a reference thickness structure and a structure of an abutting mechanism at another angle in an embodiment of a wood furniture log thicknessing device.

Fig. 6 is a disassembled view of the abutment mechanism in one embodiment of the basic gauge structure and wood furniture log thicknessing apparatus.

Fig. 7 is a schematic view of a reference gauge structure and another angle of an embodiment of a wood furniture log thicknessing device.

Fig. 8 is an enlarged schematic view of the structure at B in fig. 7.

Fig. 9 is a schematic structural view of a step-down assembly in one embodiment of a reference gauge structure and wood furniture log thicknessing device.

In the figure: 1. a base; 2. a first chute; 3. a first sliding block; 4. a cylinder; 5. a receiving plate; 6. a second chute; 7. a first cross bar; 8. a first spring; 9. a second slide block; 10. a traversing member; 11. a clamping plate; 12. a slider; 13. a pulley; 14. a vertical groove; 15. a guide plate; 16. a stop groove; 17. a locking block; 18. a fixed sleeve; 19. a lifting member; 20. a yoke plate; 21. a fitting groove; 22. a fitting block; 23. an abutment wheel; 24. a second cross bar; 25. a second spring; 26. a contact switch; 27. a mounting plate; 28. a driving device; 29. a belt drive module; 30. a protruding shaft; 31. a reciprocating frame; 32. a horizontal slot; 33. a third chute; 34. a connecting piece; 35. a screw rod; 36. a threaded sleeve; 37. a guide rod; 38. a planing tool; 39. a ratchet wheel; 40. ratchet plate.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In addition, an element in the present disclosure may be referred to as being "fixed" or "disposed" on another element or being directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1 to 9, in an embodiment of the present invention, a reference thickness determining structure includes a base 1, a planer tool 38 disposed on the base 1, a traversing assembly and an abutting mechanism.

The transverse moving assembly is arranged on the base 1 and is used for carrying wood and driving the wood to move along the length direction of the base 1;

the sideslip subassembly includes the edge a spout 2 that base 1 length direction set up, a sliding mounting has a slider 3 in a spout 2, be fixed with on the slider 3 and hold the board 5, just a slider 3 with set up the cylinder 4 of base 1 bottom is connected, cylinder 4 with the measurement assembly communication.

Wherein, the one end that holds the board 5 and keep away from sideslip subassembly is provided with the arch, when placing timber on holding the board 5, the one end and the protruding butt of timber to when the other end and the butt mechanism contact of timber, timber can keep with holding board 5 synchronous motion, and drive the butt mechanism motion.

After wood is placed on the bearing plate 5, the action end of the control cylinder 4 is recovered, and the first sliding block 3 moves towards the abutting mechanism along the length direction of the first sliding groove 2 so as to drive the bearing plate 5 and the wood to move, and the first sliding groove 2 has a guiding function on the first sliding block 3, so that the stability of the bearing plate 5 and the wood during movement is higher.

Referring to fig. 4, 5 and 6, the abutting mechanism is mounted on the base 1 and communicates with the traversing assembly, the abutting mechanism includes a measuring assembly and a locking assembly, the measuring assembly is rotatably mounted with an abutting wheel 23, when the abutting wheel 23 abuts against the end of the wood, the abutting wheel 23 can move upwards on the measuring assembly along the vertical direction in space, and when the abutting wheel 23 moves to the upper surface of the wood, the measuring assembly controls the traversing assembly to stop moving;

the measuring assembly comprises two second sliding grooves 6 symmetrically arranged on the base 1, a second sliding block 9 is slidably arranged in the second sliding grooves 6, a transverse moving part 10 is fixed on the second sliding block 9, a lifting clamping plate 11 is arranged in the transverse moving part 10, the clamping plate 11 is of an L-shaped structure, triangular protrusions are arranged on the inner wall of the vertical surface of the clamping plate 11, sliding parts 12 are fixed at two ends of the clamping plate 11, the sliding parts 12 slide in vertical grooves 14 formed in the side walls of the transverse moving part 10, a pulley 13 is rotatably arranged on the sliding parts 12, and the pulley 13 is in sliding fit with a guide plate 15 fixed on the base 1;

a first cross rod 7 which is in sliding connection with the second sliding block 9 is fixedly arranged on the second sliding groove 6, a first spring 8 is sleeved on the first cross rod 7, one end of the first spring 8 is connected with the side wall of the second sliding groove 6, and the other end of the first spring is connected with the second sliding block 9;

the measuring assembly further comprises a triggering structure arranged on the clamping plate 11, the triggering structure comprises a jogging groove 21 formed on the clamping plate 11, a jogging block 22 is slidably arranged in the jogging groove 21, and the jogging block 22 penetrates through the clamping plate 11 and is in rotary connection with the abutting wheel 23;

a second cross rod 24 is fixed in the embedding groove 21, the second cross rod 24 is in sliding connection with the embedding block 22, and a second spring 25 connected with the embedding block 22 is sleeved on the second cross rod 24;

the jogged block 22 is fixed with a contact switch 26 communicated with the air cylinder 4, and the contact switch 26 is matched with a fixed block fixed on the clamping plate 11.

When the action end of the cylinder 4 is recovered to drive the bearing plate 5 and the timber to move, along with the movement of the timber, one side of the timber, which faces towards the abutting wheel 23, is contacted with the abutting wheel 23, and in the process of the continued movement of the timber, as the elastic coefficient of the second spring 25 is smaller than that of the first spring 8, the abutting wheel 23 drives the embedded block 22 to move towards the end of the embedded groove 21 and compresses the second spring 25, in the process, along with the compression of the second spring 25, the traversing element 10 synchronously moves to compress the first spring 8, and when the traversing element 10 moves, the pulley 13 slides in a chute formed on the guide plate 15, and at the moment, the pulley 13 moves upwards under the action of the sliding element 12 and the vertical groove 14 and drives the abutting wheel 23 to move upwards through the clamping plate 11, the rising height of the abutting wheel 23 is increased along with the increase of the movement stroke amount of the transverse moving piece 10, and finally, the abutting wheel 23 moves to the end part of the side part of the wood, namely the abutting wheel 23 moves to the upper surface of the wood, at the moment, the second spring 25 releases elastic potential energy to enable the abutting wheel 23 to move to the upper surface of the wood, at the moment, the rising height of the clamping plate 11 is the height of the wood on the bearing plate 5, thereby realizing the measurement of the height of the wood, the clamping plate 11 is connected with the planing tool 38, and when the clamping plate 11 rises and falls, the planing tool 38 can synchronously rise and fall, so that the height of the planing tool 38 can be automatically adjusted according to the actual thickness of the wood, the tedious operation of manually adjusting the height of the planing tool 38 before thicknessing the wood is omitted, and the production efficiency is improved.

Further, when the thickness of the wood is measured, the embedded block 22 performs a reciprocating motion, and when the embedded block 22 performs a first motion, the embedded block will drive the contact switch 26 to move towards the fixed block, at this time, the contact switch 26 will be turned on, then when the embedded block 22 resets, the contact switch 26 is separated from the fixed block, and when the contact switch is separated, the cylinder 4 is controlled to stop moving, that is, when the cylinder 4 operates, the cylinder 4 takes the signal sent by the contact switch 26 twice as a judgment basis to continue or stop moving, by the arrangement, the measurement result of the wood thickness is prevented from being increased due to the fact that the cylinder 4 drives the wood to move excessively, and the precision and the efficiency of the planer tool 38 during operation are improved.

Referring to fig. 5, the locking assembly is used for unidirectional locking between the measuring assembly and the base 1 when the abutment wheel 23 moves to the upper surface of the wood, and comprises a fixing sleeve 18 fixedly mounted on the traversing element 10 and a lifting element 19 slidably disposed in the fixing sleeve 18, wherein a locking block 17 is fixed at the bottom of the lifting element 19, and the locking block 17 is adapted to a stop slot 16 disposed on the base 1.

After the cylinder 4 stops moving, the transverse moving part 10 stops moving at the moment, and the lifting part 19 is manually pushed to move downwards so as to drive the locking block 17 to move downwards until the locking block 17 is clamped with the stop groove 16, so that the transverse moving part 10 is prevented from being driven to displace under the action of wood when the planing tool 38 moves, and the stability of the device is improved.

Due to the existence of the elasticity of the first spring 8, the triangular bulge on the clamping plate 11 can be abutted with the end part of the wood to fix one end of the wood, so that the phenomenon that the wood is pried due to uneven stress when the planing tool 38 moves is avoided.

Further, a damping sleeve is arranged between the fixing sleeve 18 and the lifting piece 19, that is, the lifting piece 19 can hover at any height on the fixing sleeve 18, so that the advantage is that the locking block 17 and the stop groove 16 are arranged, so that when the planing tool 38 acts on wood, the wood drives the transverse moving piece 10 to move, the locking block 17 is inserted into the stop groove 16 to be manually operated, the stability of the position state of the locking block 17 is improved, the locking block is prevented from being separated from the stop groove 16, meanwhile, when the wood finishes thicknessing and reversing movement, the locking block 17 can be separated from the stop groove 16 by itself, and after the thickness measurement of the other wood is finished, only one piece of wood needs to be manually pressed again, that is, the action of pressing the lifting piece 19 is only once by one piece of wood, and the complexity of operation is reduced.

Referring to fig. 7, 8 and 9, as an embodiment of the present invention, a wood furniture log thicknesswise device is further provided, including the reference thicknesswise structure, further including:

a mounting plate 27, wherein the mounting plate 27 is parallel to the base 1 and is connected with the yoke plate 20 fixed on the clamping plate 11;

a power assembly provided on the mounting plate 27, the power assembly being capable of driving the planing tool 38 to reciprocate along the length of the mounting plate 27;

the power assembly comprises a belt transmission module 29 arranged on the mounting plate 27, the belt transmission module 29 is connected with a driving device 28 fixed on the mounting plate 27, and a protruding shaft 30 is fixed on the belt transmission module 29;

the power assembly further comprises a horizontal groove 32 formed in the mounting plate 27, a reciprocating frame 31 is slidably mounted in the horizontal groove 32, and a third sliding groove 33 which is slidably matched with the protruding shaft 30 is formed in the reciprocating frame 31.

After the wood is fixed, the driving device 28 is controlled to work so as to drive the belt transmission module 29 to move, thereby driving the protruding shaft 30 to move, and the protruding shaft 30 slides in the third sliding groove 33 on the reciprocating frame 31, thereby driving the reciprocating frame 31 to reciprocate above the wood, and performing thicknessing treatment on the wood.

Referring to fig. 8 and 9, a step-down assembly is disposed between the mounting plate 27 and the power assembly, and the step-down assembly can drive the planer tool 38 to move downward when the planer tool 38 moves to the initial position;

the step-down assembly comprises a connecting piece 34 fixedly connected with the reciprocating frame 31, a screw rod 35 is rotatably arranged on the connecting piece 34, a threaded sleeve 36 in threaded fit with the screw rod 35 is arranged on the screw rod 35, the threaded sleeve 36 is in sliding connection with two guide rods 37 fixed on the reciprocating frame 31, and the threaded sleeve 36 is connected with the planing tool 38;

a ratchet wheel 39 is coaxially connected to the upper portion of the screw rod 35, and the ratchet wheel 39 is adapted to a ratchet plate 40 provided on the mounting plate 27.

When the planing tool 38 reciprocates along with the reciprocating frame 31, when the planing tool 38 is in the resetting process, the ratchet wheel 39 on the screw rod 35 is meshed with the ratchet wheel on the ratchet plate 40, and drives the screw rod 35 to rotate, so that the threaded sleeve 36 in threaded connection with the screw rod is downwards moved to drive the planing tool 38 to downwards move, namely, the planing tool 38 downwards moves for a certain stroke amount when reset each time, so as to simulate the manual thicknessing action, and the thicknessing effect is improved.

The ratchet plate 40 includes a transverse plate and a ratchet rotatably mounted on the transverse plate, and the ratchet is connected to the transverse plate through an elastic piece, so that the ratchet plate 40 is unidirectionally engaged with the ratchet 39.

In summary, after the wood is placed on the receiving plate 5, the actuating end of the cylinder 4 is controlled to be recovered, and the first slide 3 moves toward the abutting mechanism along the length direction of the first slide groove 2 to drive the receiving plate 5 and the wood to move, and the first slide groove 2 has a guiding function on the first slide 3, so that the stability of the receiving plate 5 and the wood moving is higher.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a benchmark thickness structure, includes base (1) and sets up planer tool (38) on base (1), its characterized in that still includes:

the transverse moving assembly is arranged on the base (1) and is used for carrying wood and driving the wood to move along the length direction of the base (1);

the abutting mechanism is arranged on the base (1) and is communicated with the transverse moving assembly, the abutting mechanism comprises a measuring assembly and a locking assembly, an abutting wheel (23) is rotatably arranged on the measuring assembly, when the abutting wheel (23) abuts against the end part of the wood, the abutting wheel can move upwards on the measuring assembly along the vertical direction in space, and when the abutting wheel (23) moves to the upper surface of the wood, the measuring assembly controls the transverse moving assembly to stop acting;

the locking assembly is used for enabling the measuring assembly to be locked with the base (1) in a one-way mode when the abutting wheel (23) moves to the upper surface of wood.

2. The reference thickness fixing structure according to claim 1, wherein the traversing assembly comprises a first sliding groove (2) arranged along the length direction of the base (1), a first sliding block (3) is slidably installed in the first sliding groove (2), a bearing plate (5) is fixed on the first sliding block (3), the first sliding block (3) is connected with a cylinder (4) arranged at the bottom of the base (1), and the cylinder (4) is communicated with the measuring assembly.

3. The reference thickness fixing structure according to claim 2, wherein the measuring assembly comprises two second sliding grooves (6) symmetrically arranged on the base (1), second sliding blocks (9) are slidably arranged in the second sliding grooves (6), transverse moving pieces (10) are fixed on the second sliding blocks (9), lifting clamping plates (11) are arranged in the transverse moving pieces (10), sliding pieces (12) are fixed at two ends of the clamping plates (11), the sliding pieces (12) slide in vertical grooves (14) formed in the side walls of the transverse moving pieces (10), pulleys (13) are rotatably arranged on the sliding pieces (12), and the pulleys (13) are in sliding fit with guide plates (15) fixed on the base (1);

a first cross rod (7) which is in sliding connection with the second sliding block (9) is fixedly arranged on the second sliding groove (6), a first spring (8) is sleeved on the first cross rod (7), one end of the first spring (8) is connected with the side wall of the second sliding groove (6), and the other end of the first spring is connected with the second sliding block (9);

the measuring assembly further comprises a trigger structure arranged on the clamping plate (11).

4. A reference gauge structure according to claim 3, characterized in that the triggering structure comprises a fitting groove (21) formed on the clamping plate (11), a fitting block (22) being slidably mounted in the fitting groove (21), the fitting block (22) penetrating the clamping plate (11) and being in rotational connection with the abutment wheel (23);

a second cross rod (24) is fixed in the embedding groove (21), the second cross rod (24) is in sliding connection with the embedding block (22), and a second spring (25) connected with the embedding block (22) is sleeved on the second cross rod (24);

a contact switch (26) communicated with the air cylinder (4) is fixed on the embedded block (22), and the contact switch (26) is matched with a fixed block fixed on the clamping plate (11).

5. A reference gauge structure according to claim 3, wherein the locking assembly comprises a fixed sleeve (18) fixedly mounted on the traversing element (10) and a lifting element (19) slidably arranged in the fixed sleeve (18), a locking block (17) is fixed at the bottom of the lifting element (19), and the locking block (17) is adapted to a stop groove (16) arranged on the base (1).

6. A wood furniture log thicknessing device comprising the datum thickness determining structure of claim 3, further comprising:

-a mounting plate (27), said mounting plate (27) being parallel to said base (1) and connected to a yoke plate (20) fixed to said clamping plate (11);

the power assembly is arranged on the mounting plate (27) and can drive the planing tool (38) to reciprocate along the length direction of the mounting plate (27);

the stepping down assembly is arranged between the mounting plate (27) and the power assembly, and can drive the planing tool (38) to move downwards when the planing tool (38) moves to the initial position.

7. The wood furniture log thicknessing device according to claim 6, wherein the power assembly comprises a belt transmission module (29) arranged on the mounting plate (27), the belt transmission module (29) is connected with a driving device (28) fixed on the mounting plate (27), and a protruding shaft (30) is fixed on the belt transmission module (29);

the power assembly further comprises a horizontal groove (32) formed in the mounting plate (27), a reciprocating frame (31) is slidably mounted in the horizontal groove (32), and a third sliding groove (33) which is slidably matched with the protruding shaft (30) is formed in the reciprocating frame (31).

8. A wood furniture log thicknessing device according to claim 7, characterized in that the step-down assembly comprises a connecting piece (34) fixedly connected with the reciprocating frame (31), a screw rod (35) is rotatably mounted on the connecting piece (34), a threaded sleeve (36) in threaded engagement with the screw rod (35) is arranged on the screw rod (35), the threaded sleeve (36) is in sliding connection with two guide rods (37) fixed on the reciprocating frame (31), and the threaded sleeve (36) is connected with the thicknessing knife (38);

the upper part of the screw rod (35) is coaxially connected with a ratchet wheel (39), and the ratchet wheel (39) is matched with a ratchet plate (40) arranged on the mounting plate (27).