CN114311155B

CN114311155B - High-precision punching equipment for furniture board and using method thereof

Info

Publication number: CN114311155B
Application number: CN202111642840.4A
Authority: CN
Inventors: 张美英; 张威; 李别军
Original assignee: Lejie Household Co ltd
Current assignee: Lejie Household Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-10-14
Anticipated expiration: 2041-12-30
Also published as: CN114311155A

Abstract

The invention relates to the field of punching equipment, in particular to high-precision punching equipment for furniture plates and a using method of the high-precision punching equipment. Including the drilling subassembly, power transmission device and adjusting device, at first will and fix timber on the support, start the commentaries on classics hole subassembly, through making the drill bit rotate to the drilling rod, through applying invariable power to the application of force board, make the drill bit rotatory and the constant speed move down, when the drill bit contacts timber, the stress point of a plurality of transfer lines acts on telescopic left side, it is unanimous to contact ligneous position with the drill bit, along with the constant speed of drill bit bores down, make adjusting device along timber up end downstream, along with adjusting device's downward movement, it slides along the sleeve upper end to drive a plurality of transfer lines, make the drill bit act on telescopic a plurality of stress points with a plurality of transfer lines with ligneous stress point and a plurality of transfer line and keep unanimous, make the resultant moment of stress point of a plurality of transfer lines be zero, make and keep the power of permanent orientation going on when punching timber all the time, improve the precision of punching.

Description

High-precision punching equipment for furniture board and using method thereof

Technical Field

The invention relates to the field of punching equipment, in particular to high-precision punching equipment for furniture plates and a using method of the high-precision punching equipment.

Background

At present, wood is widely applied to production and life of people, the wood is used for building houses, decorating indoor environment and manufacturing indoor furniture, and particularly, in the process of processing the wood, the wood needs to be punched. The existing wood punching device directly punches wood by utilizing a punching machine held by a worker, so that the labor intensity of the worker is high, and the working efficiency is low. Particularly, the inclined plane wood is punched, and due to certain instability of operation of workers, accurate punching on the inclined plane wood is difficult, punching quality is affected, and size precision is low.

Disclosure of Invention

The invention provides high-precision punching equipment for furniture boards and a using method thereof, and aims to solve the problem of low punching precision of the existing inclined plane wood.

The invention relates to high-precision punching equipment for furniture plates, which adopts the following technical scheme: the method comprises the following steps: the drilling device comprises a support, a clamping device, a drilling assembly, a force application plate, a force transmission device and an adjusting device; the clamping device is arranged on the bracket and is configured to clamp the wood when the wood with the horizontal lower surface and the inclined left-high-right upper surface is placed on the bracket; the drilling assembly comprises a drill bit, a drill rod and a sleeve; the drill rod is vertically arranged, and the lower end of the drill rod is fixedly connected with a drill bit; the sleeve is rotatably sleeved at the lower part of the drill rod, the outer diameter of the sleeve is smaller than that of the drill bit, the sleeve can be mounted on the support in a vertically moving mode, and the sleeve is used for pushing the drill bit to move downwards; the force application plate is horizontally arranged above the sleeve;

the force transmission device comprises a plurality of transmission rods, the transmission rods are symmetrically arranged relative to a front view reference plane of the sleeve passing through the axis and are arranged between the force application plate and the sleeve, the lower ends of the transmission rods can movably act on the upper end of the sleeve, so that the transmission rods on the upper end of the sleeve are dispersed rightwards, and the distance of the rod on the leftmost side from moving or moving rightwards is the minimum;

the adjusting device is in contact with the upper surface of the wood to move downwards along the upper surface of the wood, and the adjusting device is configured to move downwards at a constant speed in the downward movement process of the sleeve after the drill bit is in contact with the wood and acts on the force transmission device to enable the force bearing point on the sleeve to gradually move towards the right.

Further, the adjusting device comprises an adjusting plate and a limiting assembly; the limiting component comprises a sliding plate and a limiting plate, the sliding plate is horizontally arranged, slides left and right along the upper end of the sleeve, and the left end of the sliding plate is matched and connected with the force transmission device, so that the sliding plate acts on the force transmission device when sliding right, and the stress point gradually moves right; the limiting plate is vertically arranged, the interior of the limiting plate is hollow, and the upper end of the limiting plate is fixedly connected with the right side of the lower end of the sliding plate; the adjusting plate is arranged in a telescopic and vertical mode and extends forwards and backwards, and the upper end of the adjusting plate can be arranged in the limiting plate in a vertically sliding mode; the adjusting plate is symmetrically provided with support plates about the sleeve, the support plates are vertically arranged, the adjusting plate and the side walls of the support plates are both provided with track grooves along the vertical direction, a first connecting column is arranged between the support plates and the sleeve, the first connecting column is horizontally arranged, one end of the first connecting column is fixedly connected with the sleeve, and the other end of the first connecting column is slidably arranged in the track grooves of the support plates; the second connecting column is arranged between the adjusting plate and the sleeve and can be arranged in a telescopic horizontal mode, one end of the second connecting column is fixedly connected with the sleeve, the other end of the second connecting column can be arranged in the track groove of the adjusting plate in a sliding mode, the second connecting column is provided with a blocking piece, and the second connecting column is controlled to extend or shorten by controlling the blocking piece.

Furthermore, the force transmission device also comprises a transmission ring and an adjusting ring; the transmission ring is coaxial and fixedly arranged on the inner side wall of the sleeve, and the upper end of the transmission ring is provided with a ring groove which is arranged along the circumferential direction of the transmission ring and has an upward opening;

each transmission rod is vertically arranged, and the lower end of each transmission rod is slidably arranged in the ring groove; when the transmission rods are scattered to the rightmost side, the plurality of transmission rods are uniformly distributed along the circumferential direction of the ring groove; a spring is arranged between every two adjacent transmission rods and forms a ring which is not closed end to end, and the spring is in the original length when the plurality of transmission rods are uniformly distributed along the circumferential direction of the ring groove;

the adjusting ring comprises a first arc-shaped plate and a second arc-shaped plate, the first arc-shaped plate is horizontally arranged at the upper end of the inner side of the sleeve and can rotate along the circumferential direction of the inner side wall of the sleeve; the first arc-shaped plate is provided with an arc-shaped groove which penetrates through the first arc-shaped plate up and down and is coaxial with the sleeve, the arc-shaped groove is sleeved on the transmission rod, the other end of the arc-shaped groove penetrates through the first arc-shaped plate, and one end of the arc-shaped groove is in contact with the transmission rod which is positioned on the right side and the front side at the same time;

the second arc-shaped plate is horizontally arranged at the upper end of the inner side of the sleeve, is arranged below the second arc-shaped plate and can rotate along the circumferential direction of the inner side wall of the sleeve; the second arc-shaped plate is provided with an arc-shaped groove which penetrates through the second arc-shaped plate up and down and is coaxial with the sleeve, the arc-shaped groove is sleeved on the transmission rod, the other end of the arc-shaped groove penetrates through the second arc-shaped plate, and one end of the arc-shaped groove is in contact with the transmission rod which is positioned on the right side and the rear side at the same time;

the first arc-shaped plate and the second arc-shaped plate are connected with the sliding plate in a matched mode, so that when the sliding plate slides rightwards along the upper end of the sleeve, the first arc-shaped plate and the second arc-shaped plate are driven to be gradually away from each other, and the transmission rods are gradually and uniformly distributed in the annular groove.

The middle part of the adjusting plate is provided with a first fixing column extending forwards and backwards, and the upper end of the supporting plate is provided with a second fixing column extending forwards and backwards;

the guide assembly comprises a first slide bar and a second slide bar, the first slide bar extends left and right, a guide groove which penetrates through the first slide bar from front to back and extends left and right is formed in the right side of the first slide bar, the left end of the first slide bar is rotatably connected with the front end of a second fixed column, and the first fixed column is slidably arranged in the guide groove; the second sliding rod has the same structure as the first sliding rod, and is arranged on the rear side of the sleeve;

the sleeve left side wall is equipped with the fixed block, runs through and the groove that runs through that extends from top to bottom around the fixed block is seted up, runs through the inslot and is equipped with and to follow the gliding hinge bar of groove that runs through, and the hinge bar passes and runs through the groove and extend around to, and both ends rotate with first slide bar and second slide bar respectively and are connected.

Furthermore, the clamping device comprises a first clamping block, a second clamping block and a stop block, the first clamping block is arranged on the support and extends left and right, a screw rod is arranged between the first clamping block and the front end of the support, one end of the screw rod is rotatably connected with the first clamping block, and the other end of the screw rod is in threaded connection with the front end of the support, so that the first clamping block can move back and forth when the screw rod is rotated; the second clamping block has the same structure as the first clamping block and is arranged on the rear side surface of the bracket in a matching connection way; the stop block is fixedly arranged on the support and extends forwards and backwards, so that when the thick end of the wood contacts the stop block, the wood is fixed by adjusting the positions of the first clamping block and the second clamping block.

Furthermore, two slide way plates with the same structure are arranged at the upper end of the side wall of the sleeve, the slide way plates extend leftwards and rightwards and are fixedly connected with the upper ends of the side walls of the front side and the rear side of the sleeve, and T-shaped slide way grooves are formed in the slide way plates;

the sliding plate is a U-shaped plate, T-shaped sliding blocks are arranged at the lower ends of the two side plates of the sliding plate, and the sliding plate is connected with the sleeve in a sliding mode through the sliding blocks.

Furthermore, the end point of the first arc-shaped plate is provided with a vertically arranged transmission column; the transmission column of the second arc-shaped plate penetrates through the arc-shaped groove of the first arc-shaped plate;

two curb plate lateral walls of sliding plate are equipped with telescopic hinge post, and hinge post one end is rotated and is connected transmission post, one end fixed connection sliding plate to when the sliding plate slided right, drive first arc and second arc and slide along the sleeve.

Furthermore, the driving device comprises a power source which is a motor, and a power output shaft of the motor is fixedly connected with the drill rod;

the application of force board cover is established with the drilling rod outside, and the external diameter of application of force board is unanimous with the external diameter of transmission ring, and the upper end and the motor fixed connection of application of force board, lower extreme offer the ring channel that upwards extends, and a plurality of transfer lines are rotatable to be set up between ring channel and chute.

Further, the blocking piece is a first limiting screw; the adjusting plate is characterized by further comprising a second limiting screw, a third limiting screw, a fourth limiting screw and a fifth limiting screw, wherein the second limiting screw is arranged on the side wall of the telescopic adjusting plate so as to control the length of the adjusting plate; the third limiting screw is arranged on the side wall of the adjusting plate and is in fit connection with the second connecting column so as to control the relative movement of the adjusting plate relative to the second connecting column; two fourth limiting screws are arranged at the left ends of the first sliding rod and the second sliding rod respectively, and the sliding rods and the second sliding rod rotate relative to the second fixing column; the fifth limiting screw is arranged on the fixed block and is connected with the hinge rod in a matched mode so as to control the hinge rod to slide along the through groove.

The use method of the high-precision punching equipment for the furniture board comprises the following steps:

(1) Placing the wood with the horizontal lower surface and the inclined upper surface in the left-high-right direction on the bracket, and fixing the wood on the bracket by using a clamping device;

(2) Applying external force to the force application plate to enable the drill bit to move downwards slowly, wherein the lower end of the drill bit is in contact with the upper surface of the wood, and the adjusting device is in contact with the upper surface of the wood;

(3) Starting a driving device to drive the drill rod to rotate;

(4) And continuously applying external force to the force application plate to enable the drill bit to move downwards at a constant speed, and simultaneously enabling the adjusting device to descend along the inclined plane of the wood at a constant speed.

The beneficial effects of the invention are: the invention relates to high-precision punching equipment for furniture boards, which comprises a drilling assembly, a force transmission device and an adjusting device, wherein inclined wood with a horizontal lower surface and a high upper surface left and right is fixed on a support, the hole transmission assembly is started, a drill bit is rotated through a drill rod, constant force is applied to a force application plate, the drill bit is rotated and moves downwards at a constant speed, when the drill bit contacts the wood, the force bearing points of a plurality of transmission rods act on the left side of a sleeve and are consistent with the positions of the drill bit contacting the wood, the adjusting device is driven to move downwards along the upper end surface of the wood along with the constant-speed drilling of the drill bit, the plurality of transmission rods are driven to slide along the upper end of the sleeve along with the downward movement of the adjusting device, at the moment, the force bearing points of the drill bit and the wood and the force bearing points of the plurality of transmission rods act on the sleeve are consistent with the constant-speed drilling of the drill bit, the resultant moment of the force bearing points of the plurality of the transmission rods is zero, and the constant-directional punching force is always kept when the inclined wood with the horizontal lower surface and the high upper surface left and right.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of a high-precision punching device for furniture boards in the invention;

FIG. 2 is a schematic view of the configuration of the transfer assembly and adjustment assembly of FIG. 1;

FIG. 3 is an exploded view of the adjustment mechanism;

FIG. 4 is an exploded view of the force transfer device bore assembly;

FIG. 5 is a schematic view of a force transfer device;

FIG. 6 is a cross-sectional view of the sleeve;

FIG. 7 is a front view of the initial state of FIG. 1;

FIG. 8 is an elevation view of the critical state of FIG. 1 upon contact;

in the figure: 1. a support; 2. a damping lever; 3. a clamping block; 4. a screw; 5. a stopper; 6. wood; 7. a support plate; 8. an adjusting plate; 801. adjusting the inner plate; 9. a motor; 901. a force application rod; 902. a force application plate; 10. a drill stem; 1001. a transmission cylinder; 1002. a support ring; 11. a sleeve; 111. a lower limit sleeve; 112. a ball bearing; 113. an upper limit sleeve; 12. a sliding plate; 13. a first slide bar; 14. a second slide bar; 15. a limiting plate; 16. a slider; 17. a guide groove; 18. a first connecting post; 19. a second connecting column; 20. a first fixed column; 21. a second fixed column; 22. a track groove; 23. a drill bit; 24. a slide plate; 241. a chute; 25. a fixed block; 251. a through groove; 26. a hinged lever; 27. a transmission rod; 28. a spring; 29. a first arc-shaped plate; 30. a second arc-shaped plate; 31. a drive post; 32. a hinged column; 33. a drive ring; 331. a ring groove; 34. fixing the rod; 101. a first limit screw; 102. a second limit screw; 103. a third limit screw; 104. a fourth limit screw; 105. and a fifth limit screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

The embodiment of the invention, as shown in fig. 1 to 8, of a high-precision punching device for furniture plates comprises a bracket 1, a clamping device, a drilling assembly, a force application plate 902, a force transmission device and an adjusting device; the support 1 comprises a damping rod 2 and a base, the base is horizontally arranged, the damping rod 2 is vertically arranged in a telescopic manner, and the lower end of the damping rod is fixedly connected with the base; the clamping device is arranged on the base and is configured to clamp the wood 6 when the wood 6 with the horizontal lower surface and the high-left-low-right inclined upper surface is placed on the support 1, so that the wood 6 is kept at a fixed position in the drilling process, and the probability of low drilling precision caused by the sliding of the wood 6 is reduced;

the drilling assembly comprises a drill bit 23, a drill rod 10 and a sleeve 11; the drill rod 10 is vertically arranged, and the lower end of the drill rod is fixedly connected with a drill bit 23; the sleeve 11 is rotatably sleeved at the lower part of the drill rod 10, the outer diameter of the sleeve 11 is smaller than that of the drill bit 23, the sleeve 11 is fixedly connected with the upper end of the damping rod 2 through a fixing rod 34, so that the sleeve 11 can move up and down, the sleeve 11 is used for pushing the drill bit 23 to move downwards, and the stress point of the drill bit 23 is changed by changing the force applied to the sleeve 11; the force application plate 902 is horizontally disposed above the sleeve 11, and the sleeve 11 is moved downward at a constant speed by applying a constant downward force to the force application plate 902.

The force transmission device comprises a plurality of transmission rods 27, the transmission rods 27 are symmetrically arranged relative to a front reference plane of the sleeve 11 passing through the axis and are arranged between the force application plate 902 and the sleeve 11, the lower ends of the transmission rods 27 can movably act on the upper end of the sleeve 11, so that the transmission rods 27 at the upper end of the sleeve 11 are dispersed rightwards, and the distance of the leftmost rod in a fixed or rightwards movement is the minimum.

And an adjusting device which is contacted with the upper surface of the wood 6 to move downwards along the upper surface of the wood 6, wherein the adjusting device is configured to move downwards at a constant speed after the drill bit 23 is contacted with the wood 6 and in the process of moving downwards the sleeve 11, and acts on the force transmission device to gradually move the force bearing point on the sleeve 11 to the right. The adjusting device can change the positions of the force bearing points of the transmission rods 27 acting on the sleeve 11 in the drilling process, so that when the sleeve 11 acts on the drill bit 23, the movement of the transmission rods 27 is consistent with the positions of the contact points of the drill bit 23 and the wood 6, the resultant torque of the transmission rods 27 is zero, the drill bit 23 can drill with stable force in the drilling process, and the drilling precision is improved.

In this embodiment, as shown in fig. 4 and 5, a transmission cylinder 1001 is arranged at the lower part of the drill rod 10, the transmission cylinder 1001 and the drill rod 10 are coaxially arranged, and the middle part of the interior, the lower end of the transmission cylinder is communicated with the drill bit 23, the upper end of the transmission cylinder is provided with an opening, and during the hole turning process of the lower drill bit 23, wood chips can enter the transmission cylinder 1001; a support ring 1002 is arranged on the outer side of the lower part of the transmission cylinder 1001, and the support ring 1002 and the drill bit 23 are arranged at intervals; the lower end of the sleeve 11 is provided with a lower limit sleeve 111, the lower limit sleeve 111 is arranged in a double-layer manner, an inner sleeve and an outer sleeve of the lower limit sleeve 111 can rotate relatively, balls 112 are arranged in the inner sleeve, the outer sleeve of the lower limit sleeve 111 is arranged at the interval between the support ring 1002 and the drill bit 23, and the inner sleeve is fixedly connected with a transmission cylinder 1001; the upper end of sleeve 11 is equipped with stop collar 113, and stop collar 113 and the coaxial setting of sleeve 11 go up, and lateral wall fixed connection sleeve 11 upper end inside wall, and the last spacing groove of opening inwards that two intervals were seted up to stop collar 113's inside wall, and the rotatable setting in last spacing inslot of first arc 29 and second arc 30's lateral wall.

In the present embodiment, as shown in fig. 2 and 3, the adjusting device includes an adjusting plate 8 and a limiting component; the limiting component comprises a sliding plate 12 and a limiting plate 15, the sliding plate 12 is horizontally arranged, slides left and right along the upper end of the sleeve 11, and the left end of the sliding plate is connected with the force transmission device in a matching mode, so that the sliding plate 12 acts on the force transmission device when sliding right, and the stress point gradually moves right. The limiting plate 15 is vertically arranged, is hollow inside and is fixedly connected with the right side of the lower end of the sliding plate 12 at the upper end; the adjusting plate 8 is arranged in a telescopic vertical mode and extends forwards and backwards, and the upper end of the adjusting plate can be arranged in the limiting plate 15 in a vertically sliding mode; the adjusting plate 8 is symmetrically provided with support plates 7 about the sleeve 11, the support plates 7 are vertically arranged, the side walls of the adjusting plate 8 and the support plates 7 are both provided with track grooves 22 along the vertical direction, a first connecting column 18 is arranged between the support plates 7 and the sleeve 11, the first connecting column 18 is horizontally arranged, one end of the first connecting column is fixedly connected with the sleeve 11, and the other end of the first connecting column is slidably arranged in the track grooves 22 of the support plates 7; a second connecting column 19 is arranged between the adjusting plate 8 and the sleeve 11, the second connecting column 19 is arranged in a telescopic horizontal mode, one end of the second connecting column is fixedly connected with the sleeve 11, the other end of the second connecting column is slidably arranged in a track groove 22 of the adjusting plate 8, a blocking piece is arranged on the second connecting column 19, and the second connecting column 19 is controlled to extend or shorten by controlling the blocking piece; when the drill 23 does not contact the wood 6, the blocking piece keeps a locking state to block the adjusting plate 8 from sliding downwards along the wood 6 with the lower surface horizontal and the upper surface inclined in a left-high-right mode; when the drill bit 23 contacts the wood 6, the blocking piece is opened, the adjusting plate 8 moves downwards slowly along with the downward movement of the drill bit 23, and the plurality of driving plates are driven to move at the upper end of the sleeve 11.

In this embodiment, as shown in fig. 1 to 6, the force transmission device further comprises a transmission ring 33 and an adjustment ring; the driving ring 33 is coaxially and fixedly disposed on the inner sidewall of the sleeve 11, and a ring groove 331 with an upward opening is formed in the upper end of the driving ring 33 along the circumferential direction of the driving ring 33.

Each driving rod 27 is vertically arranged, and the lower end of each driving rod 27 is slidably arranged in the ring groove 331; when the transmission rods 27 are dispersed to the rightmost side, the transmission rods 27 are uniformly distributed along the circumferential direction of the ring groove 331; a spring 28 is arranged between every two adjacent transmission rods 27 and forms a ring which is not closed end to end, and the spring 28 is in the original length when the plurality of transmission rods 27 are uniformly distributed along the circumferential direction of the ring groove 331; a plurality of driving levers 27 are disposed at one side of the circumferential groove 331 in an initial state.

The adjusting ring comprises a first arc-shaped plate 29 and a second arc-shaped plate 30, wherein the first arc-shaped plate 29 is horizontally arranged at the upper end of the inner side of the sleeve 11 and can rotate along the circumferential direction of the inner side wall of the sleeve 11; an arc-shaped groove which penetrates through the first arc-shaped plate 29 up and down and is coaxial with the sleeve 11 is formed in the first arc-shaped plate, the arc-shaped groove is sleeved on the transmission rod 27, the other end of the arc-shaped groove penetrates through the first arc-shaped plate 29, and one end of the arc-shaped groove is in contact with the transmission rod 27 which is located on the right side and the front side at the same time.

The second arc-shaped plate 30 is horizontally arranged at the upper end of the inner side of the sleeve 11, arranged below the second arc-shaped plate 30 and can rotate along the circumferential direction of the inner side wall of the sleeve 11; the second arc-shaped plate 30 is provided with an arc-shaped groove which penetrates through the second arc-shaped plate from top to bottom and is coaxial with the sleeve 11, the arc-shaped groove is sleeved on the transmission rod 27, the other end of the arc-shaped groove penetrates through the second arc-shaped plate 30, and one end of the arc-shaped groove is in contact with the transmission rod 27 which is located on the right side and the rear side at the same time.

The first arc-shaped plate 29 and the second arc-shaped plate 30 are connected with the sliding plate 12 in a matching manner, so that when the sliding plate 12 slides rightwards along the upper end of the sleeve 11, the first arc-shaped plate 29 and the second arc-shaped plate 30 are driven to be gradually away from each other, and the transmission rods 27 are gradually and uniformly distributed in the ring groove 331.

In the embodiment, as shown in fig. 2 to 6, the adjusting plate further includes a guiding assembly, a first fixing column 20 extending forward and backward is disposed in the middle of the adjusting plate 8, and a second fixing column 21 extending forward and backward is disposed at the upper end of the support plate 7.

The guide assembly comprises a first sliding rod 13 and a second sliding rod 14, the first sliding rod 13 extends left and right, a guide groove 17 which penetrates through the front and back and extends left and right is formed in the right side of the first sliding rod 13, the left end of the first sliding rod 13 is rotatably connected with the front end of a second fixing column 21, and a first fixing column 20 is slidably arranged in the guide groove 17; the second slide bar 14 is identical in structure to the first slide bar 13, and the second slide bar 14 is arranged at the rear side of the sleeve 11.

The left side wall of the sleeve 11 is provided with a fixing block 25, the fixing block 25 is provided with a through groove 251 which penetrates through the front and back and extends up and down, a hinge rod 26 which can slide along the through groove 251 is arranged in the through groove 251, the hinge rod 26 penetrates through the through groove 251 to extend back and forth, and two ends of the hinge rod 26 are respectively connected with the first sliding rod 13 and the second sliding rod 14 in a rotating mode, so that the first sliding rod 13 and the second sliding rod 14 are changed into an inclined state from an initial state in the process that the drill bit 23 moves downwards and is not in contact with the wood 6, the length of the adjusting plate 8 is compressed, and as the drill bit 23 continuously moves downwards, the adjusting plate 8 slides rightwards along the direction of the limiting groove, and the drill bit 23 can move downwards with high precision.

In this embodiment, as shown in fig. 1, the clamping device includes a first clamping block 3, a second clamping block 3 and a stop block 5, the first clamping block 3 is disposed on the base and extends left and right, a screw rod 4 is disposed between the first clamping block 3 and the front end of the bracket 1, one end of the screw rod 4 is rotatably connected to the first clamping block 3, and the other end is screwed to the front end of the bracket 1, so that the first clamping block 3 moves back and forth when the screw rod 4 is rotated; the second clamping block 3 has the same structure as the first clamping block 3, and the second clamping block 3 is arranged on the rear side surface of the base in a matching connection way; the dog 5 is fixed to be set up on the base, extends around to when the thick one end of timber 6 contacts the dog, it is fixed with timber 6 through the position of adjusting first clamp splice 3 and second clamp splice 3, make timber 6 keep the high right-hand member of left end low and the bottom surface horizontally fix on the base.

In this embodiment, as shown in fig. 2 and 6, two slide way plates 24 with the same structure are disposed at the upper end of the side wall of the sleeve 11, the slide way plates 24 extend left and right to fixedly connect the upper ends of the side walls at the front and rear sides of the sleeve 11, and a T-shaped slide way groove 241 is disposed on each slide way plate 24; the sliding plate 12 is a U-shaped plate, the lower ends of the two side plates of the sliding plate 12 are provided with T-shaped sliding blocks 16, and the sliding plate 12 is slidably connected with the sleeve 11 through the sliding blocks 16, so that the sliding plate 12 can only slide left and right along the track of the sliding channel 241.

In the present embodiment, as shown in fig. 2 and 5, the end point of the first arc-shaped plate 29 is provided with a vertically arranged transmission column 31; the transmission post 31 of the second arc-shaped plate 30 penetrates through the arc-shaped groove of the first arc-shaped plate 29; the two side plate side walls of the sliding plate 12 are provided with retractable hinge columns 32, one end of each hinge column 32 is rotatably connected with the transmission column 31, and the other end of each hinge column is fixedly connected with the sliding plate 12, so that the first arc-shaped plate 29 and the second arc-shaped plate 30 are driven to slide along the sleeve 11 when the sliding plate 12 slides to the right.

In this embodiment, as shown in fig. 1 and 2, it is characterized in that: the driving device comprises a power source, the power source is a motor 9, and a power output shaft of the motor 9 is fixedly connected with the drill rod 10; the force application plate 902 is sleeved on the outer side of the drill rod 10, the outer diameter of the force application plate 902 is consistent with that of the transmission ring 33, the upper end of the force application plate 902 is fixedly connected with the motor 9, the lower end of the force application plate 902 is provided with an annular groove extending upwards, and the plurality of transmission rods 27 are rotatably arranged between the annular groove 331 and the chute 241. The force applying lever 901 is provided outside the motor 9 so that the force applying plate 902 applies a constant downward force to the plurality of transmission levers 27 when the constant downward force is applied to the force applying lever 901.

In the present embodiment, as shown in fig. 1 to 8, the blocking member is a first limit screw 101; the adjustable adjusting plate is characterized by further comprising a second limiting screw 102, a third limiting screw 103, a fourth limiting screw 104 and a fifth limiting screw 105, wherein the second limiting screw 102 is arranged on the side wall of the telescopic adjusting plate 8 so as to control the length of the adjusting plate 8; the third limiting screw 103 is arranged on the side wall of the adjusting plate 8 and is in fit connection with the second connecting column 19 so as to control the relative movement of the adjusting plate 8 relative to the second connecting column 19; two fourth limit screws 104 are arranged, the two fourth limit screws 104 are respectively arranged at the left ends of the first sliding rod 13 and the second sliding rod 14, and the sliding rods and the second sliding rod 14 rotate relative to the second fixed column 21; the fifth limiting screw 105 is arranged on the fixed block 25 and is in fit connection with the hinge rod 26 to control the hinge rod 26 to slide along the through groove 251; the movement of the corresponding devices is controlled by controlling the opening and locking states of the first limit screw 101, the second limit screw 102, the third limit screw 103, the fourth limit screw 104 and the fifth limit screw 105.

(1) In an initial state, a first limit screw 101, a second limit screw 102, a third limit screw 103, a fourth limit screw 104 and a fifth limit screw 105 are all locked; placing the wood 6 with the horizontal lower surface and the inclined upper surface at the left high and the right on the bracket 1, and fixing the wood 6 on the bracket 1 by a clamping device; at this time, second stopper screw 102 is loosened to allow adjusting inner plate 801 in adjusting plate 8 to freely fall, so that the lower end of adjusting plate 8 first contacts the upper surface of lumber 6.

(2) Loosening the third limiting screw 103 and the fourth limiting screw 104 to enable the adjusting plate 8 to freely extend out of the limiting plate 15, applying external force to the force application plate 902 at the moment, enabling the drill bit 23 to slowly move downwards, and enabling the lower end of the drill bit 23 to be in contact with the upper surface of the wood 6; the support plate 7 and the adjusting plate 8 are both in contact with the upper surface of the wood 6 at the moment, the support plate 7 is arranged on the left side of the sleeve 11 and is in contact with the upper surface firstly in the descending process of the sleeve 11, the support plate 7 cannot contract, so that the left ends of the first sliding rod 13 and the second sliding rod 14 at the upper end of the support plate 7 are lifted, and the right ends of the first sliding rod 13 and the second sliding rod 14 are inclined downwards under the action of the hinge rod 26; at the moment, the sleeve 11 slides along the side walls of the support plate 7 and the adjusting plate 8, so that the inclination angles of the first slide bar 13 and the second slide bar 14 are consistent with the inclination angle of the upper surface of the wood 6; the second and fourth limit screws 102 and 104 are now locked.

(3) Loosening the first and fifth limit screws 101 and 105, and starting the driving device to drive the drill rod 10 to rotate.

(4) At this time, the lower part of the adjusting plate 8 is limited by the second limiting screw 102, so that the adjusting plate 8 cannot contract at this time, and the first limiting screw 101 does not limit the extension of the second connecting column 19 any more; continuing to apply a constant external force to the force application plate 902 to make the drill bit 23 move downwards at a constant speed, and as the drill bit 23 moves downwards, the adjusting plate 8 moves downwards at a constant speed along the guide grooves 17 of the first slide bar 13 and the second slide bar 14, the second connecting column 19 extends, and at the same time, the sliding plate 12 slides along the sliding groove of the sliding track plate 24 at a constant speed; when the sliding plate 12 slides rightwards, the first arc-shaped plate 29 and the second arc-shaped plate 30 which are connected with the sliding plate 12 through the hinge post 32 and the transmission post 31 in a matched mode slide along the two upper limiting grooves in the upper limiting ring, along with the slow downward movement of the drill bit 23, the sliding plate 12 gradually opens the distance between the first arc-shaped plate 29 and the second arc-shaped plate 30, the transmission rods 27 slide along the track formed by the first arc-shaped plate 29 and the second arc-shaped plate 30, the position of the force of the transmission rods 27 acting on the sleeve 11 is further changed, however, as the transmission rods 27 are symmetrically arranged on the front view reference plane of the sleeve 11 passing through the axis center, the springs 28 are arranged between the transmission rods 27 and are in a compression state at the moment, therefore, the transmission rods 27 are always kept symmetrical along with the opening of the distance between the first arc-shaped plate 29 and the second arc-shaped plate 30, the resultant torque of the transmission rods 27 is zero, the force acting on the drill bit 23 is kept consistent with the stress point of the contact of the drill bit 23 and the wood 6, the drill bit 23 is kept balanced in the hole rotating process, and the accuracy of the rotating hole is improved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a high accuracy drilling equipment for furniture board which characterized in that: the method comprises the following steps:

a support;

the clamping device is arranged on the bracket and is configured to clamp the wood when the wood with the horizontal lower surface and the inclined left-high-right upper surface is placed on the bracket;

a drilling assembly comprising a drill bit, a drill rod and a sleeve; the drill rod is vertically arranged, and the lower end of the drill rod is fixedly connected with a drill bit; the sleeve is rotatably sleeved at the lower part of the drill rod, the outer diameter of the sleeve is smaller than that of the drill bit, the sleeve can be mounted on the support in a vertically moving mode, and the sleeve is used for pushing the drill bit to move downwards;

the force application plate is horizontally arranged above the sleeve;

the adjusting device is in contact with the upper surface of the wood to move downwards along the upper surface of the wood, and is configured to move downwards at a constant speed in the downward movement process of the sleeve after the drill bit is in contact with the wood and act on the force transmission device to enable the stress point on the sleeve to gradually move rightwards;

the adjusting device comprises an adjusting plate and a limiting assembly; the limiting assembly comprises a sliding plate and a limiting plate, the sliding plate is horizontally arranged, slides left and right along the upper end of the sleeve, and the left end of the sliding plate is matched and connected with the force transmission device, so that the sliding plate acts on the force transmission device when sliding right and the stress point gradually moves right; the limiting plate is vertically arranged, the limiting plate is hollow, and the upper end of the limiting plate is fixedly connected with the right side of the lower end of the sliding plate; the adjusting plate is arranged in a telescopic vertical mode and extends forwards and backwards, and the upper end of the adjusting plate can be arranged in the limiting plate in a vertically sliding mode; the adjusting plate is symmetrically provided with support plates around the sleeve, the support plates are vertically arranged, the adjusting plate and the side walls of the support plates are respectively provided with a track groove along the vertical direction, a first connecting column is arranged between the support plates and the sleeve, the first connecting column is horizontally arranged, one end of the first connecting column is fixedly connected with the sleeve, and the other end of the first connecting column is slidably arranged in the track groove of the support plates; the second connecting column is arranged between the adjusting plate and the sleeve, the second connecting column is arranged in a telescopic horizontal mode, one end of the second connecting column is fixedly connected with the sleeve, the other end of the second connecting column is arranged in the track groove of the adjusting plate in a sliding mode, the second connecting column is provided with a blocking piece, and the second connecting column is controlled to extend or shorten by controlling the blocking piece.

2. The high-precision punching device for the furniture board as claimed in claim 1, wherein: the force transmission device also comprises a transmission ring and an adjusting ring;

the transmission ring is coaxial and fixedly arranged on the inner side wall of the sleeve, and the upper end of the transmission ring is provided with a ring groove which is arranged along the circumferential direction of the transmission ring and has an upward opening;

3. The high-precision punching device for the furniture board as claimed in claim 2, wherein: the middle part of the adjusting plate is provided with a first fixing column extending forwards and backwards, and the upper end of the support plate is provided with a second fixing column extending forwards and backwards;

the sleeve left side wall is equipped with the fixed block, runs through and the through groove that extends from top to bottom around the fixed block is seted up, runs through the inslot and is equipped with and can follow the gliding hinge bar of through groove, and the hinge bar passes and runs through the groove and extend around to, and both ends rotate with first slide bar and second slide bar respectively and are connected.

4. The high-precision punching device for the furniture board as claimed in claim 1, wherein: the clamping device comprises a first clamping block, a second clamping block and a stop block, the first clamping block is arranged on the support and extends left and right, a screw is arranged between the first clamping block and the front end of the support, one end of the screw is rotatably connected with the first clamping block, and the other end of the screw is in threaded connection with the front end of the support, so that the first clamping block can move back and forth when the screw is rotated; the second clamping block has the same structure as the first clamping block, and is arranged on the rear side surface of the bracket in a matching connection manner; the stop block is fixedly arranged on the support and extends forwards and backwards so as to fix the wood by adjusting the positions of the first clamping block and the second clamping block when the thick end of the wood contacts the stop block.

5. The high-precision punching device for the furniture board as claimed in claim 3, wherein: the upper end of the side wall of the sleeve is provided with two slideway plates with the same structure, the slideway plates extend leftwards and rightwards and are fixedly connected with the upper ends of the side walls of the front side and the rear side of the sleeve, and T-shaped slideway grooves are formed in the slideway plates;

the sliding plate is a U-shaped plate, the lower ends of the two side plates of the sliding plate are provided with T-shaped sliding blocks, and the sliding plate is connected with the sleeve in a sliding mode through the sliding blocks.

6. The high-precision punching device for the furniture board as claimed in claim 5, wherein: the end point of the first arc-shaped plate is provided with a vertically arranged transmission column; the transmission column of the second arc-shaped plate penetrates through the arc-shaped groove of the first arc-shaped plate;

7. The high-precision punching device for the furniture board as claimed in claim 2, wherein: the driving device comprises a power source, the power source is a motor, and a power output shaft of the motor is fixedly connected with the drill rod;

the application of force board cover establish with the drilling rod outside, the external diameter of application of force board is unanimous with the external diameter of transmission ring, and the upper end and the motor fixed connection of application of force board, lower extreme offer the ring channel that upwards extends, and a plurality of transfer lines are rotatable to be set up between ring channel and slideway groove.

8. A high precision punching apparatus for furniture boards according to claim 3 wherein: the blocking piece is a first limiting screw; the adjusting plate is characterized by also comprising a second limiting screw, a third limiting screw, a fourth limiting screw and a fifth limiting screw, wherein the second limiting screw is arranged on the side wall of the telescopic adjusting plate so as to control the length of the adjusting plate; the third limiting screw is arranged on the side wall of the adjusting plate and is in fit connection with the second connecting column so as to control the relative movement of the adjusting plate relative to the second connecting column; two fourth limiting screws are arranged at the left ends of the first sliding rod and the second sliding rod respectively, and the sliding rods and the second sliding rod rotate relative to the second fixing column; the fifth limiting screw is arranged on the fixed block and is connected with the hinged rod in a matched mode to control the hinged rod to slide along the through groove.

9. Use of the high precision punching apparatus for furniture boards according to any one of claims 1 to 8, characterized in that: the method comprises the following steps:

(2) Applying external force to the force application plate to enable the drill bit to move downwards slowly, enabling the lower end of the drill bit to contact the upper surface of the wood, and enabling the adjusting device to contact the upper surface of the wood;

(3) Starting a driving device to drive the drill rod to rotate;