Mortise and tenon joint processing device for wooden board

Abstract

The present invention belongs to the field of wooden boards, and specifically relates to a mortise and tenon joint processing device for wooden boards, including an electric slide rail and an electric slider, etc.; four electric slide rails are provided, and an electric slider is slidably connected to the electric slide rail located at the front and the electric slide rail located at the rear. The present invention realizes clamping and limiting the wood by an electric clamp, and then processing four woods at the same time by operating a CNC milling machine, so that the four woods are milled with the required tenons, so as to realize processing of four woods at one time, and by milling a V-shaped groove in the wood, and then milling the wood surplus in the middle of the V-shaped groove of the wood, so that the wood forms a trapezoidal groove, and then cutting the middle position of the trapezoidal groove in the wood, so that a single wood is divided into two sections, and at the same time, a tenon is formed at the end of each section of wood, which effectively improves the processing efficiency.

Description

Technical Field

[0001] The invention belongs to the field of wooden boards, and in particular relates to a mortise and tenon joint processing device for wooden boards. Background Art

[0002] The mortise and tenon structure is a very ingenious design. It can not only bear a large load, but also has many advantages over common rivets and glue bonding. Even in modern society, the mortise and tenon structure is still a common connection structure in wooden furniture processing.

[0003] Based on the prior art, it is found that when the existing CNC milling machine mills a tenon out of wood, it first mills one side of the wood and then controls the CNC milling machine to move to mill the other side of the wood. In this way, after milling one side of the wood, when milling the other side, the tenon is only fixed on one side, and the supporting strength of the tenon will be reduced. In addition, the control program of the CNC milling machine has been pre-set before starting operation, and the milling cutter in the CNC milling machine will wear after long-term use. In the process of clamping the wood, the wood will be slightly displaced by the cutting force during milling, which can easily cause the tenon to crack during the milling process. The cracked debris can easily hit another adjacent wood, causing the other wood to be affected by the impact force of the cracked debris, resulting in surface damage, deformation and displacement, thereby affecting the quality of the wood. Summary of the invention

[0004] In order to overcome the disadvantage that the supporting strength of the tenon will be reduced when the existing CNC milling machine is used to mill the tenon on wood, resulting in the tenon being prone to cracking, the present invention provides a mortise and tenon joint processing device for a wooden board.

[0005] The technical implementation scheme of the present invention is: a mortise and tenon joint processing device for wooden boards, including an electric slide rail, an electric slider, a CNC milling machine and an electric clamp; there are at least four electric slide rails, and the electric slide rail located at the front and the electric slide rail located at the back are both slidably connected to an electric slider; a CNC milling machine is installed on all the electric sliders; at least three electric clamps are slidably connected to all the electric slide rails located in the middle; it also includes connecting rods, cross rods II, wire wheels, ropes, fixed sleeves and DD motors; each electric clamp is fixedly connected to at least four connecting rods; each connecting rod is fixedly connected to at least two cross rods II; all cross rods II on the same connecting rod are rotatably connected to the wire wheel; a rope is wound around the wire wheel; the movable end of the rope is fixedly connected to the fixed sleeve, and a suction cup is provided on the fixed sleeve; the wire wheel is fixedly connected to the DD motor; the fixed part of the DD motor is fixedly connected to a cross rod II.

[0006] More preferably, it also includes a cylinder, a mounting plate and an electric mechanical arm; the end of the connecting rod away from the electric clamp is fixedly connected to the cylinder, and the cylinder is a hollow structure, and the rope passes through the cylinder; the middle of the connecting rod is fixedly connected to the mounting plate; the electric mechanical arm is fixedly connected to the mounting plate.

[0007] More preferably, the CNC milling machine is provided with an alarm, which can quickly sound an alarm when an abnormal situation occurs during the milling process of the wood.

[0008] More preferably, the rope is a steel wire rope to reduce the amplitude of rope swing.

[0009] More preferably, the cylinder is made of stainless steel, and a retaining ring is provided at one end of the cylinder away from the connecting rod, and the retaining ring is made of rubber material and is used for absorbing energy and buffering the fixing sleeve.

[0010] More preferably, the suction cup of the fixing sleeve is configured to be in a funnel shape that is small at the top and large at the bottom, so as to increase the adsorption area of ​​the suction cup.

[0011] More preferably, a lock is further included; each connecting rod is fixedly connected to a lock; and each lock is in contact with a rope.

[0012] More preferably, it also includes a chip removal system; the chip removal system is connected to the electric clamp in the middle; the chip removal system includes a fixed plate, an electric actuator III, a collection box and a duct; at least two fixed plates are fixedly connected to the electric clamp in the middle; an electric actuator III is fixedly connected to each fixed plate; each electric actuator III telescopic part is fixedly connected to a collection box; a duct is commonly connected to the lower part of all the collection boxes, and another two collection boxes are connected to the middle of the duct.

[0013] More preferably, a shielding plate is provided on the top of each collecting box for shielding the wood fragments, and a gap for the movement of the wood is left between the shielding plate and the collecting box to facilitate the movement of the wood.

[0014] More preferably, the shielding plate is made of an elastic iron sheet material, and the inner side of the shielding plate is relatively smooth to facilitate the wood chips to slide to the inner bottom of the collection box.

[0015] The advantages and positive effects of the present invention are:

[0016] (1) The wood is clamped and limited by an electric clamp, and then four woods are processed simultaneously by a CNC milling machine, so that the four woods are milled with the required tenons, thereby realizing the processing of four woods at one time. In order to further improve the processing efficiency, a V-shaped groove is milled out of the wood, and then the wood surplus in the middle of the V-shaped groove of the wood is milled, so that the wood forms a trapezoidal groove, and then the middle position of the trapezoidal groove in the wood is cut, so that a single piece of wood is divided into two sections, and at the same time, a tenon is formed at the end of each section of wood, so that a single piece of wood can be divided into two by milling and cutting by the CNC milling machine, and each section of wood is formed with a tenon, which effectively improves the processing efficiency, and effectively reduces the number of cutting times in the wood processing process by cutting once, thereby reducing the waste of wood caused by wood cutting;

[0017] (2) By adopting a processing method of dividing a single piece of wood into two and forming a tenon on each section of wood, when the wood is milled into a trapezoidal groove, the whole wood is clamped and limited by a corresponding electric clamp. At this time, the wood is a whole, so that the cutting force on the trapezoidal groove is transferred to the whole wood and to the corresponding electric clamp, so that the force on the trapezoidal groove is more balanced, and the strength of the trapezoidal groove during the milling process can be improved, thereby improving the accuracy of the tenon and the quality of the wood;

[0018] (3) The locking device and the cylinder are arranged to restrain the fixing sleeve, so as to prevent the fixing sleeve and the rope from swinging greatly. The fixing sleeve is driven to move by the rapid winding of the rope, and the broken debris is driven to move, so as to prevent the broken debris from hitting another adjacent wood, causing the other wood to be deformed by the impact of the broken debris.

[0019] (4) The trapezoidal groove in the wood is adsorbed and fixed by two fixing sleeves, so that when the CNC milling machine is processing the trapezoidal groove, the cutting force on the trapezoidal groove can be transmitted to the entire wood, and the corresponding electric clamp, so that the force on the trapezoidal groove is more balanced, and the strength of the trapezoidal groove can be improved, so that the trapezoidal groove is more firm during the milling process, thereby reducing the possibility of cracking of the trapezoidal groove, thereby improving the quality of the trapezoidal groove;

[0020] (5) Collect wood chips through all the collection boxes, thereby reducing the wood chips from flying everywhere and falling on the CNC milling machine, thereby reducing the subsequent cleaning intensity of the CNC milling machine, and shielding the broken chips through the shielding plate on the collection box, so that the broken chips fall into the collection box along the shielding plate, thereby further improving the protection effect of the trapezoidal groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the mortise and tenon joint processing device for wooden boards of the present invention;

[0022] Figure 2 It is a partial three-dimensional structural schematic diagram of the mortise and tenon joint processing device for wooden boards of the present invention;

[0023] Figure 3 It is a schematic diagram of the three-dimensional structure of the wood, trapezoidal groove and tenon combination of the mortise and tenon joint processing device for wooden boards of the present invention;

[0024] Figure 4 It is a schematic diagram of the installation position of the connecting rod of the mortise and tenon joint processing device for wooden boards of the present invention;

[0025] Figure 5 It is a schematic diagram of the three-dimensional structure of the mortise and tenon joint processing device for wooden boards of the present invention, including the connecting rod, the crossbar II, the wire wheel, the rope, the fixing sleeve, the cylinder, the mounting plate, the electric mechanical arm and the locking device;

[0026] Figure 6 This is a schematic diagram of the installation position of the DD motor of the invented mortise and tenon joint processing device for wooden boards;

[0027] Figure 7 A schematic diagram of the three-dimensional structure of the chip removal system of the mortise and tenon joint processing device for wooden boards of the invention;

[0028] Figure 8 The present invention is a schematic diagram of the three-dimensional structure of the collection box, the shielding plate and the duct combination of the mortise and tenon joint processing device for the wood board.

[0029] Among them, the above-mentioned drawings include the following drawing marks: 1-electric slide rail, 2-electric slider, 3-CNC milling machine, 4-electric clamp, 5-wood, 51-trapezoidal groove, 52-tenon, 301-connecting rod, 3011-cross bar II, 302-wire wheel, 3021-rope, 303-fixing sleeve, 304-DD motor, 305-cylinder, 306-mounting plate, 307-electric mechanical arm, 308-locker, 401-fixing plate, 402-electric actuator III, 403-collection box, 4031-shielding plate, 404-conduit. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] Embodiment 1:

[0032] A mortise and tenon joint processing device for wooden boards, according to Figure 1-6 As shown, it includes an electric slide rail 1, an electric slider 2, a CNC milling machine 3 and an electric clamp 4; four electric slide rails 1 are provided, and an electric slider 2 is slidably connected to the electric slide rail 1 located at the front and the electric slide rail 1 located at the rear; the CNC milling machine 3 is installed on all the electric sliders 2; three electric clamps 4 are slidably connected to all the electric slide rails 1 located in the middle;

[0033] It also includes a connecting rod 301, a cross bar II 3011, a wire wheel 302, a rope 3021, a fixing sleeve 303 and a DD motor 304; four connecting rods 301 are fixedly connected to each electric clamp 4; two cross bars II 3011 are fixedly connected to each connecting rod 301; all cross bars II 3011 on the same connecting rod 301 are connected to the wire wheel 302 for rotation; a rope 3021 is wound around the wire wheel 302; the movable end of the rope 3021 is fixedly connected to the fixing sleeve 303, and a suction cup is provided on the fixing sleeve 303; a DD motor 304 is fixedly connected to the wire wheel 302; the fixing part of the DD motor 304 is fixedly connected to a cross bar II 3011.

[0034] It also includes a cylinder 305, a mounting plate 306 and an electric mechanical arm 307; the end of the connecting rod 301 away from the electric clamp 4 is fixedly connected to the cylinder 305, and the cylinder 305 is a hollow structure, and the rope 3021 passes through the cylinder 305; the middle part of the connecting rod 301 is fixedly connected to the mounting plate 306; the electric mechanical arm 307 is fixedly connected to the mounting plate 306.

[0035] The numerically controlled milling machine 3 is provided with an alarm device, which is used to quickly sound an alarm when an abnormal situation occurs during the milling process of the wood 5.

[0036] The rope 3021 is a steel wire rope, which is used to increase the strength of the rope 3021 and reduce the swing amplitude of the rope 3021.

[0037] The cylinder 305 is made of stainless steel, and a retaining ring is provided at one end of the cylinder 305 away from the connecting rod 301 . The retaining ring is made of rubber and is used for absorbing energy and buffering the fixing sleeve 303 .

[0038] The suction cup of the fixing sleeve 303 is configured to be in a funnel shape that is small at the top and large at the bottom, so as to increase the suction area of ​​the suction cup and enhance the suction strength.

[0039] A locker 308 is also included; each connecting rod 301 is fixedly connected with a locker 308; each locker 308 is in contact with a rope 3021, and is used to lock the rope 3021.

[0040] When processing the wood 5: four woods 5 are manually clamped on the electric clamp 4 at the same time, and the number of electric clamps 4 to be used is determined according to the length of the wood 5. When the length of the wood 5 is long, two electric clamps 4 can be used to clamp and limit the wood 5. When the length of the wood 5 is short, one electric clamp 4 can be used to clamp and limit the wood 5. After the wood 5 is clamped and limited by the electric clamp 4, the CNC milling machine 3 is controlled to operate and process the four woods 5 at the same time, so that the required trapezoidal grooves 51 are milled out of the four woods 5, thereby realizing the processing of four woods 5 at one time.

[0041] In order to further improve the processing efficiency of the wood 5 and reduce the waste of the wood 5, when the electric clamp 4 clamps and limits the length of the wood 5, as shown in FIG. Figure 3 As shown, at this time, the CNC milling machine 3 is controlled to operate, and with the front side of the electric slide rail 1 as a reference, the milling cutter in the CNC milling machine 3 is first moved obliquely to the right and downward to mill the wood 5, until the milling cutter moves to the bottom of the wood 5, that is, the wood 5 is milled through, and then the milling cutter in the CNC milling machine 3 is moved obliquely to the left and upward, until the milling cutter moves to the top of the wood 5, that is, the wood 5 is milled through. At this time, the movement path of the milling cutter is V-shaped, and then a V-shaped groove is milled out of the wood 5. At the same time, after the V-shaped groove is milled out of the wood 5, there will be some wood 5 left in the middle area of ​​the V-shaped groove of the wood 5. Finally, the CNC milling machine 3 is controlled to operate to mill the remaining wood 5 in the middle of the V-shaped groove of the wood 5, so that the wood 5 forms a trapezoidal groove 51, as shown in FIG. Figure 3 As shown, a trapezoidal groove 51 is then milled on the other symmetrical side of the wood 5, and then the middle position of the trapezoidal groove 51 in the wood 5 is cut, so that the single wood 5 is divided into two sections, and a tenon 52 is formed at the end of each section of the wood 5, so that the single wood 5 can be divided into two when milled and cut by the CNC milling machine 3, and a tenon 52 is formed on each section of the wood 5, which effectively improves the processing efficiency, and effectively reduces the number of cutting times during the processing of the wood 5 by cutting once, thereby reducing the waste of the wood 5 caused by cutting the wood 5.

[0042] In addition, a single piece of wood 5 is divided into two parts so that each section of wood 5 is formed into a tenon 52. In the process of milling the trapezoidal groove 51, the whole wood 5 is clamped and limited by the corresponding electric clamp 4. At this time, the wood 5 is a whole, so that the cutting force on the trapezoidal groove 51 is transferred to the whole wood 5 and to the corresponding electric clamp 4. Moreover, for the trapezoidal wood block between the two trapezoidal grooves 51, because both ends are in a fixed state, its stability is stronger. Therefore, even if the milling cutter error offset and the like occur and hit the trapezoidal wood block between the two trapezoidal grooves 51, compared with directly milling a tenon 52, the processing method adopted by the present invention can greatly improve the success rate and stability of the tenon 52 forming, thereby making the force on the trapezoidal groove 51 more balanced, and can improve the strength of the trapezoidal groove 51 during the milling process, thereby improving the accuracy of the tenon 52 and the quality of the wood 5.

[0043] When protecting the wood 5: pre-connect the external pump to the suction cups in all the fixing sleeves 303. Since the program of the CNC milling machine 3 has been pre-set, and the CNC milling machine 3 mills the wood 5 into a trapezoidal groove 51 by first milling one side of the wood 5, and then controlling the CNC milling machine 3 to move and mill the other side of the wood 5. In this way, after milling one side of the wood 5, the supporting strength of the trapezoidal groove 51 will be reduced when milling the other side. In addition, the milling cutter in the CNC milling machine 3 will wear out after long-term use, and the electric clamp 4 will cause the wood 5 to be slightly affected by the force of milling when clamping the wood 5. The slight displacement may easily cause the trapezoidal groove 51 to break during the milling process, and the broken chips may easily hit another adjacent wood 5, causing the other wood 5 to be affected by the impact of the broken chips, resulting in surface damage, deformation and displacement, thereby affecting the quality of the wood 5. For the convenience of description, a fixed sleeve 303 will be taken as an example below. The fixed sleeve 303 is initially suspended in the air and against the cylinder 305 by the pulling force of the rope 3021. After the wood 5 is clamped and limited by the electric clamp 4, the electric mechanical arm 307 is controlled to start operating to clamp the fixed sleeve 303, and then the fixed sleeve 303 is pressed against the upper surface of the trapezoidal groove 51. Figure 3As shown, the external pump is controlled to start operating to generate negative pressure in the suction cup of the fixing sleeve 303, so that the trapezoidal groove 51 is adsorbed and fixed by the suction cup in the fixing sleeve 303. In this process, the DD motor 304 is controlled to start, and the rotating part of the DD motor 304 rotates to drive the wire wheel 302 to rotate, and the wire wheel 302 rotates to release the rope 3021, so that the fixing sleeve 303 moves and drives the rope 3021 to move; after tightening, the DD motor 304 is controlled to start reverse tightening the rope 3021, and then the locker 308 is controlled to start operating to lock the rope 3021, so that the rope 3021 remains in a tightened state. When the wooden block between the two trapezoidal grooves 51 cracks, the rope 3021 and the fixing sleeve 303 restrain the two wooden blocks. The wooden block between the two trapezoidal grooves 51 is fixed, and an oblique pulling force is applied to the wooden block between the two trapezoidal grooves 51. When the wooden block between the two trapezoidal grooves 51 is cracked, the fixing sleeve 303 will limit the movement of the cracked fragments. At the same time, when the CNC milling machine 3 is processing the trapezoidal grooves 51, the milling cutter in the CNC milling machine 3 will generate a cutting force on the wooden block between the two trapezoidal grooves 51. When the wooden block between the two trapezoidal grooves 51 is cracked, the cracked fragments will splash and generate impact force, and cause the fixing sleeve 303 and the rope 3021 to swing. At this time, the setting of the locker 308 and the cylinder 305 can restrain the fixing sleeve 303 to prevent the fixing sleeve 303 and the rope 3021 from swinging significantly.

[0044] Embodiment 2:

[0045] Based on the first embodiment, Figure 7-8 As shown, it also includes a chip removal system; the chip removal system is connected to the electric clamp 4 located in the middle; the chip removal system includes a fixed plate 401, an electric actuator III 402, a collection box 403 and a conduit 404; two fixed plates 401 are fixedly connected to the electric clamp 4 located in the middle; an electric actuator III 402 is fixedly connected to each fixed plate 401; each electric actuator III 402 telescopic part is fixedly connected to a collection box 403; the lower parts of all the collection boxes 403 are commonly fixedly connected and connected to a conduit 404, and the middle part of the conduit 404 is fixedly connected and connected to another two collection boxes 403.

[0046] A shielding plate 4031 is provided on the top of each collecting box 403 for shielding the wood 5 fragments, and a gap is left between the shielding plate 4031 and the collecting box 403 for the movement of the wood 5, so as to facilitate the movement of the wood 5 and improve the shielding effect of the wood 5 fragments.

[0047] The shielding plate 4031 is made of an elastic iron sheet material, and is used to provide a buffer for the fixing sleeve 303 and the broken debris. The inner side of the shielding plate 4031 is relatively smooth, so that the wood chips can slide to the inner bottom of the collection box 403.

[0048] When removing chips: connect the external pump to the conduit 404 in advance. When the CNC milling machine 3 mills the wood 5, a large amount of wood chips will be generated, and the wood chips are easy to splash everywhere, thereby affecting the on-site processing environment. Some wood chips will splash on the CNC milling machine 3, which is easy to affect the normal operation of the CNC milling machine 3. After the CNC milling machine 3 stops operating, the wood chips on the CNC milling machine 3 need to be cleaned manually, which increases the labor intensity and production cost. By controlling the two electric actuators III 402 to start, all the collection boxes 403 are driven to move, so that all the wood chips can be removed. Some of the collecting boxes 403 are located at the lower part of the corresponding trapezoidal groove 51, and the corresponding shielding plates 4031 are located on both sides of the trapezoidal groove 51 to shield the outer area of ​​the trapezoidal groove 51. When the CNC milling machine 3 generates a large amount of wood chips when milling the wood 5, the external pump is controlled to operate, so that negative pressure is generated in the conduit 404, so that the wood chips are collected by all the collecting boxes 403, thereby reducing the wood chips from splashing everywhere, and the wood chips are collected by all the collecting boxes 403, reducing the wood chips falling on the CNC milling machine 3, thereby reducing the subsequent cleaning intensity of the CNC milling machine 3;

[0049] When the wood block between the two trapezoidal grooves 51 breaks, some of the broken debris will break away from the fixed sleeve 303. At this time, the broken debris will be blocked by the shielding plate 4031 on the collection box 403, and the broken debris will fall into the collection box 403 along the shielding plate 4031, thereby further improving the protection effect of the trapezoidal groove 51.

[0050] Those skilled in the art should understand that the above embodiments do not limit the present invention in any form, and any technical solutions obtained by equivalent replacement or equivalent transformation shall fall within the protection scope of the present invention.

Claims

1. A mortise and tenon joint processing device for a wooden board, comprising an electric slide rail (1), an electric slider (2), a numerically controlled milling machine (3) and an electric clamp (4); at least four electric slide rails (1) are provided, and an electric slider (2) is slidably connected to each of the electric slide rails (1) located at the front and the electric slide rail (1) located at the rear; the numerically controlled milling machine (3) is installed on all the electric sliders (2); at least three electric clamps (4) are slidably connected to all the electric slide rails (1) located in the middle; the device is characterized in that: It also includes a connecting rod (301), a cross bar II (3011), a wire wheel (302), a rope (3021), a fixing sleeve (303) and a DD motor (304); each electric clamp (4) is fixedly connected to at least four connecting rods (301); each connecting rod (301) is fixedly connected to at least two cross bars II (3011); all cross bars II (3011) on the same connecting rod (301) are rotatably connected to the wire wheel (302); a rope (3021) is wound around the wire wheel (302); the movable end of the rope (3021) is fixedly connected to the fixing sleeve (303), and a suction cup is provided on the fixing sleeve (303); the wire wheel (302) is fixedly connected to the DD motor (304); the fixing part of the DD motor (304) is fixedly connected to a cross bar II (3011); It also includes a chip removal system; the chip removal system is connected to the electric clamp (4) located in the middle; the chip removal system includes a fixed plate (401), an electric actuator III (402), a collection box (403) and a guide tube (404); at least two fixed plates (401) are fixedly connected to the electric clamp (4) located in the middle; an electric actuator III (402) is fixedly connected to each fixed plate (401); a collection box (403) is fixedly connected to the telescopic part of each electric actuator III (402); the lower parts of all the collection boxes (403) are commonly connected to a guide tube (404), and the middle part of the guide tube (404) is connected to another two collection boxes (403); A shielding plate (4031) is provided on the upper part of each collecting box (403) for shielding the broken pieces of wood (5), and a gap for the movement of the wood (5) is left between the shielding plate (4031) and the collecting box (403), so as to facilitate the movement of the wood (5).

2. A mortise and tenon joint processing device for a wood board according to claim 1, characterized in that: It also includes a cylinder (305), a mounting plate (306) and an electric mechanical arm (307); the cylinder (305) is fixedly connected to one end of the connecting rod (301) away from the electric clamp (4), and the cylinder (305) is a hollow structure, and the rope (3021) passes through the cylinder (305); the middle part of the connecting rod (301) is fixedly connected to the mounting plate (306); and the electric mechanical arm (307) is fixedly connected to the mounting plate (306).

3. A mortise and tenon joint processing device for a wood board according to claim 1, characterized in that: The numerically controlled milling machine (3) is provided with an alarm for sounding an alarm when an abnormal situation occurs during the milling process of the wood (5).

4. A mortise and tenon joint processing device for a wood board according to claim 1, characterized in that: The rope (3021) is a steel wire rope, which is used to reduce the swing amplitude of the rope (3021).

5. A mortise and tenon joint processing device for a wood board according to claim 1, characterized in that: The cylinder (305) is made of stainless steel, and a retaining ring is provided at one end of the cylinder (305) away from the connecting rod (301). The retaining ring is made of rubber and is used for absorbing energy and buffering the fixing sleeve (303).

6. A mortise and tenon joint processing device for a wood board according to claim 1, characterized in that: The suction cup of the fixed sleeve (303) is arranged in a funnel shape that is small at the top and large at the bottom, so as to increase the adsorption area of ​​the suction cup.

7. A mortise and tenon joint processing device for a wood board according to claim 1, characterized in that: It also includes a locker (308); each connecting rod (301) is fixedly connected to a locker (308); and each locker (308) is in contact with a rope (3021).

8. The mortise and tenon joint processing device for wooden boards according to claim 1, characterized in that: The shielding plate (4031) is made of an elastic iron sheet, and the inner side of the shielding plate (4031) is relatively smooth, so that the wood chips can slide to the inner bottom of the collection box (403).

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