CN212825920U

CN212825920U - Numerical control woodworking arc-shaped notch cutting device and milling machine

Info

Publication number: CN212825920U
Application number: CN202022028740.XU
Authority: CN
Inventors: 曲兴海; 邹佳欣; 邹光春
Original assignee: Yingkou Xinbaiyun Machinery Co ltd
Current assignee: Yingkou Xinbaiyun Machinery Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-03-30
Anticipated expiration: 2030-09-16

Abstract

The utility model provides a numerical control woodworking arc-shaped notch cutting device and a milling machine, the utility model discloses a numerical control woodworking arc-shaped notch milling machine comprises a numerical control woodworking arc-shaped notch cutting device, a feeding device, a positioning device, a rotary worktable, a cutter motor, a lathe bed and an automatic control system; a numerical control woodworking arc-shaped notch cutting device, a rotary worktable and a cutter motor are arranged above the lathe bed, a feeding device is arranged below the lathe bed, and the feeding device penetrates through the lathe bed and is connected with a main shaft of the rotary worktable; and the automatic control system is respectively electrically connected with the cutter motor and the workbench motor. The milling machine is suitable for connecting elbows with different radiuses for wood structure buildings in batch production, can realize continuous production, is convenient and quick to clamp and disassemble workpieces, greatly improves the production efficiency, ensures that the production efficiency of the same workpiece is 5-10 times of that of a machining center, has small occupied area and is reliable in operation and low in cost.

Description

Numerical control woodworking arc-shaped notch cutting device and milling machine

Technical Field

The utility model relates to a processing technology of arc notch especially relates to a numerical control carpenter arc notch cutting device and milling machine.

Background

Along with the gradual development of the wood structure industry, people continuously promote the understanding of wood structure buildings, market demands are increased, a plurality of wood structure companies are also switched from the original monomer customized processing to integrated batch production, the appearance structure of workpieces is various, the installation mode is changed from the original fixed lap joint mode to an elbow butt joint mode, the quality requirements of the workpieces are more exquisite and precise, the interchangeability of the workpieces is met, and the matching equipment is required to achieve the processing precision and have enough processing efficiency.

For the processing of the arc-shaped notch, the processing mode adopted at present mainly comprises three modes of processing by a vertical numerical control processing center, a numerical control milling machine and a profiling milling machine:

the vertical numerically controlled machining center and numerically controlled milling machine are used to machine workpiece, and the material is fixed on the bench and moves with the bench in X and Y axes horizontally.

The contour milling machine is to process the same metal model according to the outline drawing of the product, process the metal stop block according to the outline dimension of the woodworking tool, the motion track of the metal stop block in the constraint of the model is the cutting path of the tool in the wood, and cut and shape the material through the rotary motion of the tool.

Above several kinds of processing methods, can only process one at a clamping in-process, just can load and unload under the circumstances that equipment stopped completely, the cutter mostly is vertical installation, need do reciprocating motion many times just can machine the material shaping, still will change the cutter under the different circumstances of angle, equipment cost is higher, machining efficiency is low, is not fit for batch production.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a numerical control carpenter's arc notch cutting device to a great deal of problem that the processing equipment of current arc notch exists, this cutting device is adapted to the not radial connecting bend of batch production timber structure for building.

In order to achieve the above object, the utility model adopts the following technical scheme: a numerical control woodworking arc-shaped notch cutting device comprises a cutter main shaft 1, a cutter 4, a movable shaft sleeve 8, a fixed shaft sleeve 9 and a flat belt pulley 12, wherein one end of the cutter main shaft 1 is coaxially and rigidly connected with the flat belt pulley, the cutter is sleeved at the other end of the cutter main shaft, and the size of an axial section cutting edge of the cutter 4 is the same as that of the section of a processed workpiece;

the cutter main shaft passes through the bearing cooperation and installs in removing the axle sleeve, bearing gland and sealing ring adopt axial labyrinth seal, it adopts clearance fit to remove the axle sleeve external diameter and fixed axle sleeve internal diameter, the one end that removes the axle sleeve and is close to the flat belt pulley is fixed with the bearing cap, be fixed with adjusting nut on the bearing cap 11, fixed mounting adjusts the support on the fixed axle sleeve, and 15 one end of adjusting screw are installed on the support through pressure bearing and lock nut, and the other end and 17 screw-thread fits of adjusting nut, and rotatory adjusting screw 15 can change the position of removing axle sleeve 8 in fixed axle sleeve axis direction.

Further, the end part of the cutter spindle, on which the cutter is sleeved, is in threaded connection with a cutter locking nut, and a cutter gasket is arranged between the cutter locking nut and the cutter.

Furthermore, a second locking nut of the locking nut is installed on the adjusting screw, opening locking modes are respectively arranged at two ends of the fixed shaft sleeve, a first locking bolt is installed, the adjusting screw is rotated to change the positions of the axis directions of the movable shaft sleeve and the fixed shaft sleeve, the first locking nut is loosened before adjustment, and the first locking nut is locked after adjustment.

Furthermore, the baffle ring is arranged between the cutter spindle bearing and the flat belt pulley and plays roles in positioning the belt pulley and preventing dust; the gasket is arranged at the end of the tool spindle 1 and fixes the flat belt pulley 12 through a second locking bolt and a flat key. The utility model discloses a further purpose still discloses a numerical control carpenter arc notch milling machine, and this milling machine is adapted to batch production's the wooden structure connecting elbow of different radiuses for building, can realize continuous production, and the clamping of work piece, dismantlement convenient and fast have greatly improved production efficiency, and the production efficiency of same kind of work piece is machining center's 5-10 times fast, and the reliable cost of the little operation of equipment area is lower.

In order to achieve the above object, the utility model adopts the following technical scheme: a numerical control woodworking arc-shaped notch milling machine comprises the numerical control woodworking arc-shaped notch cutting device, a feeding device, a positioning device, a rotary worktable 30, a dust removal device, a machine body and an automatic control system;

a numerical control woodworking arc-shaped notch cutting device, a rotary worktable 30 and a dust removal device are arranged above the lathe bed, the axis of the rotary worktable 30 is vertical to the lathe bed, and a positioning device for positioning a workpiece 55 to be processed is arranged on the rotary worktable 30; the cutter main shaft 1 of the numerical control woodworking arc-shaped notch cutting device is horizontally arranged and is vertical to the axis of the main shaft of the rotary workbench 30; the cutter 4 is positioned above the rotary worktable 30; the feeding device comprises a cutter motor 40 and a workbench motor 23, the cutter motor 40 is connected with a flat belt pulley 12 of the numerical control woodworking arc-shaped notch cutting device through a cutter motor flat belt pulley 41, and the cutter motor 40 transmits torque to the flat belt pulley 12 through a high-speed flat belt; the workbench motor 23 is arranged below the bed body, and the workbench motor 23 is connected with a main shaft of the rotary workbench 30 through a belt pulley;

the automated control system is electrically connected to the tool motor 40 and the table motor 23, respectively.

Further, the workbench motor 23 is connected with the main shaft of the rotary workbench 30 through a workbench main shaft belt pulley 25, and after the rotating speed of the workbench motor 23 is reduced through a worm and gear reducer, the rotary workbench 30 can be driven to rotate at a low uniform speed.

Further, the cutter motor 40 includes but is not limited to three asynchronous motors, the cutter motor flat belt wheel 41 is installed on the cutter motor 40, and the cutter motor flat belt wheel 41 adopts an arc-shaped structure, so that the flat belt is more easily tensioned, the flat belt is prevented from falling off when loosened, meanwhile, the flat belt is prevented from axially moving, and the service life of the flat belt is prolonged.

Further, the fixed shaft sleeve 9 is installed on a motor base 46, the cutter motor 40 is installed on a motor plate 47, the motor plate 47 is installed on the motor base 46, a motor base adjusting block 50 is installed on the motor base 46, a motor base adjusting block adjusting bolt 49 is installed on the motor base adjusting block 50, and the other end of the motor base adjusting block is in threaded connection with the motor plate 47. The position of the motor plate 47 can be adjusted through the adjusting bolt 49 on the motor base adjusting block 50 to drive the cutter motor 40 to move up and down, and the cutter motor flat belt wheel 41 is installed on the cutter motor 40 and moves up and down along with the cutter motor 40, so that the high-speed flat belt is tensioned. The motor base 46 is arranged on the dovetail upper guide rail 52; a dovetail lower guide rail 51 matched with the dovetail upper guide rail 52 is arranged on the main shaft frame 42, and the main shaft frame 42 is fixed on the main frame body 43; the dovetail guide rail 52 on the rotary dovetail guide rail adjusting hand wheel 48 slides up and down, so that the vertical position adjustment of the cutting fixing shaft sleeve 9 is realized, the specific position is adjusted according to the height of a workpiece, the cutter main shaft 1 in the fixing shaft sleeve 9 is perpendicular to the dovetail guide rail and is installed in parallel with the rotary worktable, the extension line of the cutter main shaft is intersected with the axis of the worktable main shaft 26, the rotating direction of the cutter main shaft 1 is the same as that of the rotary worktable 30, the cutting cutter 4 is installed on the cutter main shaft 1 and is locked and fixed by the cutter gasket 3 and the cutter locking screw 2.

Further, a workbench motor 23 (worm gear reducer) is mounted on the main frame body motor base 22, the transmission triangle belt is tensioned through a motor plate adjusting bolt 53, the workbench motor 23 is connected with a spindle belt pulley 25 through a motor belt pulley 24, after the workbench motor 23 is started, the motor belt pulley 24 drives the workbench spindle belt pulley 25 to rotate, the workbench spindle belt pulley 25 is mounted at the bottom of the workbench spindle 26, the workbench spindle belt pulley 25 drives the workbench spindle 26 to rotate, the middle part of the workbench spindle 26 is fixed on a rotary platform seat 27 through a tapered roller bearing 28, and the rotary platform seat 27 is vertically mounted on the upper plane of the main frame body 43; the rotary worktable 30 is arranged at the upper end of the worktable spindle 26, the plane of the rotary worktable 30 is vertical to the axis of the worktable spindle 26, and the worktable spindle 26 is vertical to the cutter spindle 1. The rotary worktable 30 rotates at a low uniform speed, and the rotating speed of the worktable can be adjusted by using a frequency converter, so that the processing quality of the surface of the workpiece to be cut and reasonable process time configuration are ensured.

Furthermore, the positioning device comprises an inner positioning ring 32, a plurality of positioning blocks 31 and a workpiece locking device, the inner positioning ring 32 (in a circular ring shape) is mounted on the rotary workbench 30, an inner hole of the inner positioning ring 32 is sleeved on the top of the workbench main shaft 26, the axis of the inner positioning ring is overlapped with the workbench main shaft 26, the arc surface of the inner hole of the inner positioning ring 32 is perpendicular to the rotary workbench 30 so as to ensure the positioning precision of the workpiece, and a dust guard 33 is arranged at an upper opening of the inner positioning ring 32 so as to prevent wood chips and dust from entering the inner positioning ring and being not cleaned well; the positioning blocks 31 are arranged on the upper plane of the rotary worktable 30, and a plurality of positioning blocks 31 are uniformly distributed according to the size of the circumferences of two side edges of the workpiece; the workpiece locking device comprises a locking hand wheel 39, a locking screw 36, a locking seat 37, a locking nut 38, a locking block 35 and a locking block pressure pad 34, wherein the locking seat 37 is installed on the rotary workbench 30, the locking nut 38 is fixed on the locking seat 37, the locking screw 36 is in threaded fit with the locking nut 38, the locking hand wheel 39 is installed at one end of the locking screw 36, the locking block 35 is connected with the other end of the locking screw, and the locking block pressure pad 34 is installed on the end face of the locking block 35, so that indentation is prevented from being left on wood when a workpiece is locked, and the workpiece appearance is protected; the locking block 35 is coupled with the locking screw 36 in a universal manner and can rotate freely. And when the product is clamped, the inner arc surface of the finished product is used as a reference, the product is placed between the two positioning blocks on the table top of the workbench and completely attached to the inner positioning ring, and the rotary locking device is pressed tightly.

Further, the numerical control woodworking arc-shaped notch milling machine further comprises a dust removal device, wherein the dust removal device is a protection cover 45 arranged above the cutter 4. The dust removal device adopts a structural mode of integrating a cutter protection cover and dust removal, the cutter protection cover 45 is cylindrical, is sleeved on the outer side of the cutter and is provided with an opening towards one side of a workpiece to be processed; on the safety cover 45, the parabolic direction of cutter cutting timber sweeps sets up the dust removal mouth, and the dust removal mouth communicates with dust collecting equipment, opens dust collecting equipment and can be with saw-dust suction in the safety cover 45.

Further, the automatic control system comprises a control panel 44 and a distribution box 56, and is controlled by a PLC, and the rotating speed of the workbench can be controlled by variable frequency speed regulation. The control panel 44 is fixed above the lathe bed through a control panel rotating shaft 54; the electric distribution box 56 is fixed under the bed.

The utility model discloses numerical control carpenter outer cambered surface milling machine adopts touch-sensitive screen PLC all-in-one to implement operation control, the touch-sensitive screen variable frequency speed control on the rotational speed accessible PLC all-in-one of its workstation. The automatic control system comprises a control panel 44 and a distribution box 56, a touch screen is installed on the control panel 44, the control panel 44 is arranged above the bed body through a plurality of rotating control panel rotating shafts 54, the automatic control system is suitable for workers with different posture characteristics to operate, the distribution box 56 is arranged below the bed body, and the control panel 44 and the distribution box 56 are separately placed to facilitate operation and control.

The utility model discloses numerical control carpenter's arc notch milling machine's process flow:

1. before starting up, the cutter is ensured to be arranged between two stations, workpieces 55 to be processed are respectively placed on a plurality of stations of the rotary worktable 30, and the workpieces to be processed are fixed on the rotary worktable 30 through a workpiece locking device.

2. This equipment adopts touch-sensitive screen PLC all-in-one to control, starts the cutter rotation button on the touch-sensitive screen, and cutter motor 40 starts, drives the high-speed rotation of cutter main shaft 1 clockwise through the flat belt. The tool shaft can be adjusted in the Z-axis direction through the dovetail guide rail 52 to change the processing depth of the product.

3. The cutter main shaft is provided with a cutting adjusting device, so that the cutter can be adjusted to feed along the X axis direction, and the arc radius of a processed product is changed.

4. And starting a rotating button of the touch screen workbench, starting the workbench motor 23, and driving the rotating workbench 30 to rotate in a low-speed anticlockwise direction through the transmission of the V-belt to implement product processing through a cutting area. The rotating speed of the workbench can be controlled by the PLC integrated machine through frequency conversion and speed regulation, and the rotating speed of the rotary workbench 30 is adjusted according to the quality of the cutting surface and the required time in the process of clamping the workpiece.

5. The equipment has the function of realizing continuous processing of products without stopping, namely, the workpiece 55 at the first station is processed, and when the rotary worktable 30 rotates to process the second workpiece, the processed workpiece at the first station is disassembled and a new workpiece is installed. And by analogy, when a workpiece at the third station is processed, the workpiece at the second station is disassembled and installed.

6. The dust removal mode is for removing dust, and the dust excluding hood is integrative with the safety cover to set up the dust removal mouth in saw-dust exhaust direction, satisfy the dust removal requirement of equipment.

7. In order to facilitate operation and improve processing efficiency, the 3-position 360-degree dead-angle-free rotation of the touch screen PLC all-in-one machine is designed, and meanwhile, in order to facilitate workpiece disassembly, the touch screen PLC all-in-one machine is required to be rotated to the outside of a workbench during processing.

The utility model discloses numerical control carpenter's arc notch milling machine's cutter main shaft horizontal installation is parallel with the X axle, the cutter is the same with work piece section size along cutter axle axis section sword size, work piece (product) adopt the mechanical clamping mode to fix on swivel work head (circular swivel work head), cutter axle axis intersects perpendicularly with swivel work head main shaft axis, can lay a plurality of work pieces simultaneously on the swivel work head mesa, a plurality of work pieces become along circumference evenly distributed, the coincidence of cambered surface center in swivel work head center and the work piece, the work piece is at the uniform velocity rotation realizes feeding of work piece on the workstation, the cutter falls in the rotatory cutting behind the top fixed height of work piece, realize the processing of work piece, equipment cutting process region sets up opposite in the operating region, the clamping and the dismantlement of other work pieces of being convenient for when the work piece processing.

To sum up, the utility model discloses there is very big propulsion to the innovation of timber structure building mounting means, makes timber structure building wall connection bent angle batchization, standardized production, has solved shortcomings such as original processing mode production efficiency is low, equipment cost height, and equipment operation is swift area is little.

Drawings

FIG. 1 is a front view of a workpiece to be machined;

FIG. 2 is a left side view of a workpiece to be machined;

FIG. 3 is a top view of a workpiece to be machined;

FIG. 4 is a top view of the workpiece to be machined according to the present invention;

FIG. 5 is a cross-sectional view along AA of FIG. 4;

FIG. 6 is a top view of the numerically controlled woodworking arc-shaped notch cutting device;

FIG. 7 is a cross-sectional view taken along line BB of FIG. 6;

FIG. 8 is a cross-sectional view of a numerically controlled woodworking arc-slot milling machine;

FIG. 9 is a front view of a numerically controlled woodworking arc slot milling machine;

FIG. 10 is a top view of a numerically controlled woodworking arc slot milling machine;

FIG. 11 is a perspective view of a numerically controlled woodworking arc slot milling machine.

Detailed Description

The invention is further illustrated below with reference to the following examples:

example 1

The embodiment discloses a numerical control woodworking arc-shaped notch cutting device, as shown in fig. 6 and 7, the numerical control woodworking arc-shaped notch cutting device comprises a cutter main shaft 1, a cutter 4, a movable shaft sleeve 8, a fixed shaft sleeve 9 and a flat belt pulley 12, wherein one end of the cutter main shaft 1 is coaxially and rigidly connected with the flat belt pulley 12, the other end of the cutter main shaft is sleeved with the cutter 4, and the dimension of an axial section cutting edge of the cutter 4 is the same as the dimension of the section of a;

the cutter main shaft 1 is installed in moving axle sleeve 8 through the cooperation of bearing 7, bearing gland 6 adopts axial labyrinth seal with sealing ring 5, it adopts clearance fit to move 8 external diameters of axle sleeve and fixed axle sleeve 9 internal diameters, the one end that moves axle sleeve 8 and is close to flat belt pulley 12 is fixed with bearing cap 11, be fixed with adjusting nut 17 on the bearing cap 11, fixed mounting adjusting bracket 18 on the fixed axle sleeve 9, adjusting screw 15 one end is installed on support 18 through pressure bearing 19 and lock nut 20, and the other end and adjusting nut 17 screw-thread fit, rotatory adjusting screw 15 can change the position of moving axle sleeve 8 at fixed axle sleeve 9 axis direction.

The end part of a cutter main shaft 1 provided with a cutter 4 in a sleeved mode is in threaded connection with a cutter locking nut 2, and a cutter gasket 3 is arranged between the cutter locking nut 2 and the cutter 4.

The locking nut 16 and the second locking nut 16 are arranged on the adjusting screw rod, the two ends of the fixed shaft sleeve 9 are respectively provided with an opening locking mode, the first locking bolt 21 is arranged, the position of the axial direction of the movable shaft sleeve 8 and the axial direction of the fixed shaft sleeve 9 can be changed by rotating the adjusting screw rod 15, the first locking nut 21 is loosened before adjustment, and the first locking nut 21 is locked after adjustment.

The baffle ring 10 is arranged between the bearing of the tool spindle 1 and the flat belt pulley 12 and plays roles in positioning the belt pulley and preventing dust; the gasket 13 is arranged at the end of the tool spindle 1 and fixes the flat belt pulley 12 through a second locking bolt 14 and a flat key. The utility model discloses a further purpose still discloses a numerical control carpenter arc notch milling machine, and this milling machine is adapted to batch production's the wooden structure connecting elbow of different radiuses for building, can realize continuous production, and the clamping of work piece, dismantlement convenient and fast have greatly improved production efficiency, and the production efficiency of same kind of work piece is machining center's 5-10 times fast, and equipment area is little moves reliably with low costs effect.

Example 2

The embodiment discloses a numerical control woodworking arc-shaped notch milling machine, as shown in fig. 9-11, the numerical control woodworking arc-shaped notch milling machine comprises the numerical control woodworking arc-shaped notch cutting device, a feeding device, a positioning device, a rotary worktable 30, a dust removal device, a machine body and an automatic control system;

The workbench motor 23 is connected with a main shaft of the rotary workbench 30 through a workbench main shaft belt pulley 25, and the rotating speed of the workbench motor 23 is reduced through a worm and gear reducer, so that the rotary workbench 30 can be driven to rotate at a low uniform speed.

The cutter motor 40 comprises but is not limited to three asynchronous motors, the cutter motor flat belt wheel 41 is installed on the cutter motor 40, the cutter motor flat belt wheel 41 adopts an arc-shaped structure, a flat belt is tensioned more easily, the flat belt is prevented from falling off when loosened, meanwhile, the flat belt is prevented from axially moving, and the service life of the flat belt is prolonged. Cutter motor

The fixed shaft sleeve 9 is installed on the motor base 46, the cutter motor 40 is installed on the motor plate 47, the motor plate 47 is installed on the motor base 46, the motor base adjusting block 50 is installed on the motor base 46, the motor base adjusting block adjusting bolt 49 is installed on the motor base adjusting block 50, and the other end of the motor base adjusting block is in threaded connection with the motor plate 47. The position of the motor plate 47 can be adjusted through the adjusting bolt 49 on the motor base adjusting block 50 to drive the cutter motor 40 to move up and down, and the cutter motor flat belt wheel 41 is installed on the cutter motor 40 and moves up and down along with the cutter motor 40, so that the high-speed flat belt is tensioned. The motor base 46 is arranged on the dovetail upper guide rail 52; a dovetail lower guide rail 51 matched with the dovetail upper guide rail 52 is arranged on the main shaft frame 42, and the main shaft frame 42 is fixed on the main frame body 43; the dovetail guide rail 52 on the rotary dovetail guide rail adjusting hand wheel 48 slides up and down, so that the vertical position adjustment of the cutting fixing shaft sleeve 9 is realized, the specific position is adjusted according to the height of a workpiece, the cutter main shaft 1 in the fixing shaft sleeve 9 is perpendicular to the dovetail guide rail and is installed in parallel with the rotary worktable, the extension line of the cutter main shaft is intersected with the axis of the worktable main shaft 26, the rotating direction of the cutter main shaft 1 is the same as that of the rotary worktable 30, the cutting cutter 4 is installed on the cutter main shaft 1 and is locked and fixed by the cutter gasket 3 and the cutter locking screw 2. The cutter main shaft 1 drives the cutting tool 4 fixed on the cutter main shaft to do rotary cutting motion, the section size of an axial cutting edge of the cutter is the same as that of the section size of a notch of a machined workpiece, a sealing ring 5 and a bearing gland 6 are installed at the right end of the movable shaft sleeve 8 to compress a bearing, and the sealing ring 5 and the bearing gland 6 are positioned in an axial labyrinth sealing mode to prevent wood chips and dust from entering the bearing. The cutting device is provided with a cutting adjusting device, and the cutting adjusting device comprises: bearing end cover 11, adjusting nut 17, adjusting bracket 18, adjusting screw 15, etc. The bearing end cover 11 is installed on the cutter main shaft 1 and is fixedly connected with the left end of the movable shaft sleeve 8 through a bolt, the lower end of the bearing end cover 11 is provided with an adjusting nut 17, the fixed shaft sleeve 9 is provided with an adjusting support 18, one end of an adjusting screw rod 15 is installed on the adjusting support 18 through a pressure bearing 19 and a round nut 20, the other end of the adjusting screw rod is in threaded fit with the adjusting nut 17, the position of the movable shaft sleeve 8 in the axial direction of the fixed shaft sleeve 9 can be changed by rotating the adjusting screw rod 15, a locking nut 21 is loosened before adjustment, and. The moving shaft sleeve 8 drives the cutter to move along the axis direction, so that the arc radius of a processed product is changed.

A workbench motor 23 (a worm gear reducer) is arranged on a main frame body motor base 22, a transmission triangular belt is tensioned through a motor plate adjusting bolt 53, the workbench motor 23 is connected with a main shaft belt pulley 25 through a motor belt pulley 24, after the workbench motor 23 is started, the motor belt pulley 24 drives the workbench main shaft belt pulley 25 to rotate, the workbench main shaft belt pulley 25 is arranged at the bottom of a workbench main shaft 26, the workbench main shaft belt pulley 25 drives the workbench main shaft 26 to rotate, the middle part of the workbench main shaft 26 is fixed on a rotary platform seat 27 through a tapered roller bearing 28, and the rotary platform seat 27 is vertically arranged on the upper plane of a main frame body 43; the rotary worktable 30 is arranged at the upper end of the worktable spindle 26, the plane of the rotary worktable 30 is vertical to the axis of the worktable spindle 26, and the worktable spindle 26 is vertical to the cutter spindle 1. The rotary worktable 30 rotates at a low uniform speed, and the rotating speed of the worktable can be adjusted by using a frequency converter, so that the processing quality of the surface of the workpiece to be cut and reasonable process time configuration are ensured.

The positioning device comprises an inner positioning ring 32, a plurality of positioning blocks 31 and a workpiece locking device, wherein the inner positioning ring 32 (in a circular ring shape) is arranged on a rotary workbench 30, an inner hole of the inner positioning ring 32 is sleeved at the top of a workbench main shaft 26, the axis of the inner positioning ring is overlapped with the workbench main shaft 26, the arc surface of the inner hole of the inner positioning ring 32 is vertical to the rotary workbench 30 so as to ensure the positioning precision of a workpiece, and a dust guard plate 33 is arranged at the upper opening of the inner positioning ring 32 so as to prevent wood chips and dust from entering the inner positioning ring and being not cleaned; the positioning blocks 31 are arranged on the upper plane of the rotary worktable 30, and a plurality of positioning blocks 31 are uniformly distributed according to the size of the circumferences of two side edges of the workpiece; the workpiece locking device comprises a locking hand wheel 39, a locking screw 36, a locking seat 37, a locking nut 38, a locking block 35 and a locking block pressure pad 34, wherein the locking seat 37 is installed on the rotary workbench 30, the locking nut 38 is fixed on the locking seat 37, the locking screw 36 is in threaded fit with the locking nut 38, the locking hand wheel 39 is installed at one end of the locking screw 36, the locking block 35 is connected with the other end of the locking screw, and the locking block pressure pad 34 is installed on the end face of the locking block 35, so that indentation is prevented from being left on wood when a workpiece is locked, and the workpiece appearance is protected; the locking block 35 is coupled with the locking screw 36 in a universal manner and can rotate freely. And when the product is clamped, the inner arc surface of the finished product is used as a reference, the product is placed between the two positioning blocks on the table top of the workbench and completely attached to the inner positioning ring, and the rotary locking device is pressed tightly.

The numerical control woodworking arc-shaped notch milling machine further comprises a dust removal device, wherein the dust removal device is a protective cover 45 arranged above the cutter 4. The dust removal device adopts a structural mode of integrating a cutter protection cover and dust removal, the cutter protection cover 45 is cylindrical, is sleeved on the outer side of the cutter and is provided with an opening towards one side of a workpiece to be processed; on the safety cover 45, the parabolic direction of cutter cutting timber sweeps sets up the dust removal mouth, and the dust removal mouth communicates with dust collecting equipment, opens dust collecting equipment and can be with saw-dust suction in the safety cover 45.

The automatic control system comprises a control panel 44 and a distribution box 56, and is controlled by a PLC, and the rotating speed of a workbench can be controlled by variable frequency speed regulation. The control panel 44 is fixed above the lathe bed through a control panel rotating shaft 54; the electric distribution box 56 is fixed under the bed.

1. before starting up, the tool is ensured to be arranged between two stations, workpieces to be machined 55 are respectively placed on a plurality of stations of the rotary worktable 29, and the workpieces to be machined are fixed on the rotary worktable 30 through a locking device.

2. The utility model discloses a touch-sensitive screen PLC all-in-one machine control starts the cutter rotation button on the touch-sensitive screen, and cutter motor 40 starts, drives the high-speed rotation of 1 clockwise of cutter main shaft through the flat belt. The tool spindle 1 can adjust the machining depth of the workpiece in the Z-axis direction by the dovetail rail 52.

3. The tool spindle 1 is provided with a tool adjusting device (comprising an adjusting screw 15) which can adjust the feeding of the tool 4 along the X-axis direction and change the arc radius of a workpiece.

4. And starting a rotating button of the touch screen workbench, starting the feeding motor 23, and driving the rotating workbench 30 to rotate in a low-speed anticlockwise direction through the transmission of the V-belt to implement workpiece processing through the cutting area. The rotating speed of the rotary worktable 30 can be controlled by the PLC integrated machine through frequency conversion and speed regulation, and the rotating speed of the rotary worktable 30 can be adjusted according to the quality of the cutting surface and the requirement of the process of clamping the workpiece.

5. The utility model discloses can realize work piece continuous processing not shut down, first station work piece 55 processing is accomplished promptly, and rotatory workstation 30 is rotatory when processing second work piece, dismantles the processing completion piece of first station and installs new machined part. And by analogy, when a workpiece at the third station is processed, the workpiece at the second station is disassembled and installed.

6. The dust removal mode is for removing dust, and safety cover 45 and dust excluding hood are integrative, and the dust excluding hood sets up the dust removal mouth in saw-dust exhaust direction, satisfies the dust removal requirement of equipment.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A numerical control woodworking arc-shaped notch cutting device is characterized by comprising a cutter main shaft (1), a cutter (4), a movable shaft sleeve (8), a fixed shaft sleeve (9) and a flat belt pulley (12), wherein one end of the cutter main shaft (1) is coaxially and rigidly connected with the flat belt pulley (12), the cutter (4) is sleeved at the other end of the cutter main shaft, and the dimension of an axial section cutting edge of the cutter (4) is the same as the dimension of a section of a processed workpiece;

the cutter main shaft (1) is installed in the movable shaft sleeve (8) through a bearing (7) in a matching mode, and the bearing gland (6) and the sealing ring (5) are sealed in an axial labyrinth mode; remove axle sleeve (8) external diameter and fixed axle sleeve (9) internal diameter and adopt clearance fit, the one end that removes axle sleeve (8) and is close to flat belt pulley (12) is fixed with bearing cap (11), be fixed with adjusting nut (17) on bearing cap (11), fixed mounting adjusts support (18) on fixed axle sleeve (9), and adjusting screw (15) one end is installed on support (18) through pressure bearing (19) and lock nut (20), and the other end and adjusting nut (17) screw-thread fit rotate adjusting screw (15) and can change the position of removing axle sleeve (8) at fixed axle sleeve (9) axis direction.

2. A numerical control woodworking arc-shaped notch milling machine, which is characterized by comprising the numerical control woodworking arc-shaped notch cutting device, a feeding device, a positioning device, a rotary worktable (30), a dust removal device, a machine body and an automatic control system in claim 1;

a numerical control woodworking arc-shaped notch cutting device, a rotary workbench (30) and a dust removal device are arranged above the lathe bed, the axis of the rotary workbench (30) is vertical to the lathe bed, and a positioning device for positioning a workpiece (55) to be processed is arranged on the rotary workbench (30); the cutter main shaft (1) of the numerical control woodworking arc-shaped notch cutting device is horizontally arranged and is vertical to the axis of the main shaft of the rotary workbench (30); the cutter (4) is positioned above the rotary workbench (30); the feeding device comprises a cutter motor (40) and a workbench motor (23), the cutter motor (40) is connected with a flat belt pulley (12) of the numerical control woodworking arc-shaped notch cutting device through a cutter motor flat belt pulley (41), and the cutter motor (40) transmits torque to the flat belt pulley (12) through a high-speed flat belt; the workbench motor (23) is arranged below the bed body, and the workbench motor (23) is connected with a main shaft of the rotary workbench (30) through a belt pulley;

and the automatic control system is respectively and electrically connected with the cutter motor (40) and the workbench motor (23).

3. The numerical control woodworking arc-shaped notch milling machine as claimed in claim 2, wherein the workbench motor (23) is connected with a main shaft of the rotary workbench (30) through a workbench main shaft belt pulley (25), and after the rotating speed of the workbench motor (23) is reduced through a worm gear reducer, the rotary workbench (30) can be driven to rotate at a low uniform speed.

4. The numerical control woodworking arc-shaped notch milling machine as claimed in claim 2, wherein the cutter motor (40) is a three-phase asynchronous motor, a cutter motor flat belt wheel (41) is mounted on the cutter motor (40), and the cutter motor flat belt wheel (41) adopts an arc-shaped structure.

5. The numerical control woodworking arc-shaped notch milling machine as claimed in claim 2, wherein the fixed shaft sleeve (9) is mounted on a motor base (46), the cutter motor (40) is mounted on a motor plate (47), the motor plate (47) is mounted on the motor base (46), a motor base adjusting block (50) is mounted on the motor base (46), a motor base adjusting block adjusting bolt (49) is mounted on the motor base adjusting block (50), and the other end of the motor base adjusting block is in threaded connection with the motor plate (47); the motor base (46) is arranged on the dovetail upper guide rail (52); a dovetail lower guide rail (51) matched with the dovetail upper guide rail (52) is arranged on the main shaft frame (42), and the main shaft frame (42) is fixed on the main frame body (43); a dovetail upper guide rail (52) of a rotary dovetail guide rail adjusting hand wheel (48) slides up and down, so that the vertical position adjustment of a cutting fixing shaft sleeve (9) is realized, a tool spindle (1) in the fixing shaft sleeve (9) is perpendicular to a dovetail guide rail and is installed to be parallel to a rotary worktable, the extension line of the tool spindle is intersected with the axis of a worktable spindle (26), the rotating direction of the tool spindle (1) is the same as that of a rotary worktable (30), a cutting tool (4) is installed on the tool spindle (1) and is locked and fixed by a tool gasket (3) and a tool locking nut (2).

6. The numerical control woodworking arc-shaped notch milling machine as claimed in claim 2, wherein the workbench motor (23) is mounted on a motor base (22) of the main frame body, a triangular belt is tensioned and driven through a motor plate adjusting bolt (53), the workbench motor (23) is connected with a spindle belt pulley (25) through a motor belt pulley (24), after the workbench motor (23) is started, the motor belt pulley (24) drives the workbench spindle belt pulley (25) to rotate, the workbench spindle belt pulley (25) is mounted at the bottom of the workbench spindle (26), the workbench spindle belt pulley (25) drives the workbench spindle (26) to rotate, the middle part of the workbench spindle (26) is fixed on the rotary platform seat (27) through a tapered roller bearing (28), and the rotary platform seat (27) is vertically mounted on the upper plane of the main frame body (43); the rotary worktable (30) is installed at the upper end of the worktable spindle (26), the plane of the rotary worktable (30) is vertical to the axis of the worktable spindle (26), and the worktable spindle (26) is vertical to the cutter spindle (1).

7. The numerical control woodworking arc-shaped notch milling machine as claimed in claim 2, wherein the positioning device comprises an inner positioning ring (32), a plurality of positioning blocks (31) and a workpiece locking device, the inner positioning ring (32) is mounted on the rotary workbench (30), an inner hole of the inner positioning ring (32) is sleeved on the top of the workbench main shaft (26), the axis of the inner positioning ring coincides with the workbench main shaft (26), the inner hole arc surface of the inner positioning ring (32) is perpendicular to the rotary workbench (30), and a dust guard (33) is arranged at an upper opening of the inner positioning ring (32); the positioning blocks (31) are arranged on the upper plane of the rotary worktable (30), and a plurality of positioning blocks (31) are uniformly distributed according to the size circumference of the two side edges of the workpiece; the workpiece locking device comprises a locking hand wheel (39), a locking lead screw (36), a locking seat (37), a locking nut (38), a locking block (35) and a locking block pressure pad (34), wherein the locking seat (37) is installed on the rotary workbench (30), the locking nut (38) is fixed on the locking seat (37), the locking lead screw (36) is in threaded fit with the locking nut (38), one end of the locking lead screw (36) is provided with the locking hand wheel (39), the other end of the locking lead screw is connected with the locking block (35), and the locking block pressure pad (34) is installed on the end face of the locking block (35); the locking block (35) is in universal connection with the locking screw rod (36).

8. The numerical control woodworking arc-shaped slot milling machine as claimed in claim 2, further comprising a dust removal device, wherein the dust removal device is a protective cover (45) arranged above the cutter (4); the dust removal device adopts a structural mode of integrating a cutter protection cover and dust removal, the cutter protection cover (45) is cylindrical, is sleeved on the outer side of the cutter and is provided with an opening towards one side of a workpiece to be processed; on the protective cover (45), the parabolic direction of the wood cutting waste chips is provided with a dust removal port, and the dust removal port is communicated with dust removal equipment.

9. The numerically controlled woodworking arc slot milling machine as claimed in claim 2, wherein the automated control system comprises a control panel (44) and a power distribution box (56); the control panel (44) is fixed above the lathe bed through a control panel rotating shaft (54); the distribution box (56) is fixed below the bed body.

10. The numerical control woodworking arc-shaped slot milling machine as claimed in claim 2, wherein the automatic control system comprises a control panel (44) and a distribution box (56), a touch screen is mounted on the control panel (44), the control panel (44) is arranged above the bed body through a plurality of rotary control panel rotating shafts (54), the distribution box (56) is arranged below the bed body, and the control panel (44) and the distribution box (56) are separately arranged.