Numerical control woodworking intrados milling machine
Technical Field
The invention relates to a woodworking intrados technology, in particular to a numerical control woodworking intrados milling machine.
Background
Along with the emphasis of the national environmental protection and energy saving projects and the rising of the domestic and foreign wood structure buildings, the requirements on the structure, the appearance and the like of the wood structure buildings are higher and higher, the traditional installation mode and the processing means are continuously improved, the parts of the wood structure products are gradually simplified, standardized and standardized, the parts are processed into standard parts in factories, the standard parts are assembled on construction sites, and meanwhile, the high precision, the high efficiency and the specialization of the matched processing equipment are also required. Fig. 1 shows a traditional mode of overlapping wood structure building walls, which are connected by overlapping wood structure walls 65, and fig. 2 shows a mode of standard corner connection of the existing wood structure building, which comprises the wood structure walls 65 and wall connection corners 66.
At present, the processing of the internal cambered surface of the bent angle of the wood structure is relatively advanced in China, and mainly comprises three modes of vertical numerical control processing centers, woodworking numerical control milling machines and woodworking profiling milling machines.
The method is characterized in that raw materials are fixed on a workbench surface, and move along with the workbench along an X axis and a Y axis in the horizontal direction, a milling cutter is vertically arranged to perform rotary motion, a cutter performs vertical feeding motion along the axial direction of a main shaft, the whole motion is controlled by a program, and the outer surface of the material is subjected to arc cutting forming through rotation of the cutter.
The woodworking profiling milling machine processes the inner cambered surface of the bent angle, namely, a metal backup plate with the same radian is processed according to the inner arc radius of a product, the metal backup plate is fixed on a lathe bed, the product to be processed is fixed on a workbench capable of moving bidirectionally, the workbench moves to process the inner cambered surface of the product according to the track of the backup plate, and the material is cut and formed through the rotary motion of a cutter.
The three processing modes can only process one piece in one clamping process, raw materials can be assembled and disassembled under the condition that equipment is completely stopped, most of cutters are vertically installed, materials can be processed and formed only by repeated reciprocating motion under the influence of equipment strength, equipment manufacturing cost is high, cutter receiving phenomena can be frequently generated on products, production efficiency is low, labor intensity is high, and the cutter is not suitable for batch production of standardized products.
Disclosure of Invention
The invention aims to solve the problems of the processing of the inner arc surface of the bent angle of the prior wood structure, and provides a numerical control wood inner arc surface milling machine which is suitable for processing inner arc surfaces of connecting elbows with different radiuses for wood structure buildings in batch production, has simple equipment operation, can continuously produce, can conveniently and rapidly clamp and detach products, can simultaneously carry out the installation and the detachment of other products during the cutting processing of the equipment, greatly improves the production efficiency, has the production efficiency which is 5-10 times that of a processing center, and has low equipment manufacturing cost, small occupied area, reliable operation and high product processing precision.
In order to achieve the aim, the technical scheme adopted by the invention is that the numerical control woodworking intrados milling machine comprises a cutting device, a feeding device, a positioning device, a dust removing device, a rotary workbench, a lathe bed and an automatic control system.
The automatic cutting machine comprises a machine body, a cutting device, a feeding device, a positioning device, a dust removing device, an automatic control system and a feeding device, wherein the machine body is provided with a rotary workbench, the rotary workbench is horizontally arranged above the machine body, the lower part of the cutting device is arranged at the lower side of the machine body, the upper part of the cutting device is arranged in the rotary workbench in a penetrating mode, the feeding device is arranged below the machine body and used for driving the cutting device and the rotary workbench, the positioning device is arranged on the rotary workbench, the dust removing device is arranged above the cutting device and below a workpiece to be cut, and the automatic control system is electrically connected with the feeding device.
The feeding device is arranged on the motor base through a motor plate, a motor base adjusting block is arranged on the motor base, an adjusting bolt is arranged on the motor base adjusting block, the other end of the adjusting bolt is in threaded connection with the motor plate, the position of the motor plate is adjusted through the adjusting bolt on the motor base adjusting block, the cutter shaft motor moves left and right, the cutter shaft motor flat belt wheel is arranged on the cutter shaft motor, the cutter shaft motor flat belt wheel moves left and right along with the cutter shaft motor, so that a tension flat belt is achieved, the cutting device is arranged on the motor base, the cutter shaft motor flat belt wheel rotates to enable the dovetail upper rail to slide left and right, left and right position adjustment of a fixed shaft sleeve can be achieved, and the specific position is adjusted according to the inner arc size of a workpiece. The cutter main shaft of the cutting device is perpendicular to the dovetail upper guide rail and the rotary workbench surface.
Further, the feeding device comprises a cutter shaft motor, a cutter shaft motor flat belt wheel is arranged at the output end of the cutter shaft motor, the cutter shaft motor flat belt wheel adopts an arc-shaped structure, the flat belt is easier to tighten, the flat belt is prevented from falling off when being loosened, meanwhile, the flat belt is prevented from axially moving, and the service life of the flat belt is prolonged. The cutter shaft motor transmits torque to the cutting device through the cutter shaft motor flat pulley and flat belt.
The feeding device further comprises a workbench motor, the workbench motor is arranged on the motor seat board, the motor seat board is fixed on the base frame through bolts, long holes are milled in the motor seat board, the positions of the motor seat board can be adjusted left and right through loosening the bolts, accordingly, the workbench motor is driven to move left and right, a belt pulley of the workbench motor is arranged on the workbench motor, the workbench motor is driven to move left and right, and a tensioning transmission triangular belt is realized. After the workbench motor is started, the workbench motor belt pulley rotates, the guide shaft belt pulley is driven to rotate through the triangular belt, the guide shaft belt pulley is arranged on the guide shaft, the guide shaft is fixed on the guide shaft seat through the guide shaft bearing, the guide shaft seat is arranged on the base frame, the guide shaft pinion is arranged at the other end of the guide shaft and meshed with the rotating workbench inner gear, the workbench motor transmits torque to drive the rotating workbench to rotate at a low constant speed, and the rotating speed of the workbench can be adjusted through the frequency converter, so that the processing quality of the surface and reasonable process time configuration are guaranteed.
Further, the rotary workbench comprises an inner gear of the workbench, a rotary table nylon sleeve, an outer ring, a nylon sleeve sliding block and an outer protective sleeve, wherein the inner gear of the workbench is arranged on the rotary workbench, the outer ring is arranged on an outer ring framework, the outer ring framework is arranged on a base frame, the height can be finely adjusted through adjusting screws, the parallelism of the workbench to the ground plane is adjusted after the assembly is completed, the nylon sleeve sliding block is arranged in the outer ring, the nylon sleeve sliding block is connected with the outer circular wall of the workbench through screws, the upper and lower movement of the workbench during working is prevented, the machining precision is guaranteed, and the outer protective sleeve is arranged at the outer circular position of the rotary workbench and prevents the workbench from rotating the exposed screws to scratch workers.
The cutting device comprises a cutter spindle, a cutter, a movable shaft sleeve, a fixed shaft sleeve and a flat belt pulley, wherein one end of the cutter spindle is coaxially and rigidly connected with the flat belt pulley, the other end of the cutter spindle is sleeved with the cutter, the flat belt pulley can drive the cutter fixed on the cutter spindle to perform rotary cutting movement, the size of the cutting edge of the axial section of the cutter is the same as that of the section of a machined workpiece, the end part of the cutter spindle sleeved with the cutter is in threaded connection with a cutter lock nut, and a cutter gasket is arranged between the cutter lock nut and the cutter.
The tool spindle is mounted in a movable shaft sleeve through a bearing in a matched mode, the bearing end cover and the sealing ring are axially labyrinth sealed and are positioned in an axial labyrinth sealing mode, wood dust and dust can be prevented from entering the bearing, the outer diameter of the movable shaft sleeve is in clearance fit with the inner diameter of a fixed shaft sleeve, first locking bolts are mounted at the upper end and the lower end of the fixed shaft sleeve, after the first locking bolts are fastened, the movable shaft sleeve is fixed on the fixed shaft sleeve, a bearing end cover is fixed at one end of the movable shaft sleeve, which is close to a flat belt pulley, a baffle ring is mounted between the tool spindle bearing and the flat belt pulley and plays a role in positioning the belt pulley and dust prevention, a gasket is mounted at the end of the tool spindle and is used for fixing the flat belt pulley through the locking bolts and the flat belt pulley in a flat key mode, an adjusting nut is fixedly mounted on the fixed shaft sleeve, one end of the adjusting screw is mounted on the adjusting bracket through a pressure bearing and the first locking nut, the other end of the adjusting screw is in threaded fit with the adjusting nut, after the adjusting screw is fastened, the adjusting screw is rotated, the adjusting screw drives the bearing end cover to move left and right through the adjusting nut after the adjusting nut is loosened, so that the positions of the movable shaft cover 8 and the axis direction of the fixed shaft are changed, and the first locking bolt is adjusted. The movable shaft sleeve drives the cutter to move along the axis direction, and the inner arc size of the workpiece cut by the cutter is adjusted, so that the arc radius of the machined workpiece is changed.
Further, the rotation direction of the tool spindle is opposite to that of the rotary worktable, and the tool spindle drives the tool fixed on the tool spindle to perform rotary cutting motion.
The workpiece locking device comprises a locking hand wheel, a locking screw rod, a locking seat, a locking nut and a locking block, wherein the locking seat is arranged on the rotary workbench, the locking nut is fixed on the locking seat, the locking screw rod is in threaded fit with the locking nut, one end of the locking screw rod is provided with the locking hand wheel, the other end of the locking screw rod is connected with the locking block, the locking block is connected with the locking seat through a spring, and the locking nut can be prevented from loosening after locking. And the locking hand wheel is rotated, the locking screw rod drives the locking block to compress the workpiece, and the workpiece is loosened in the opposite direction. When the product is clamped, the two sides of the product are used as references, the product is placed between the two positioning blocks on the table surface of the workbench, the positioning blocks are completely attached, and the rotary locking device is used for compressing.
The dust removing device comprises an upper dust removing cover arranged above a cutter and a lower dust removing cover arranged below a workpiece, wherein an upper dust removing frame seat plate is arranged on an outer ring framework of a machine body, an upper dust removing cylinder is arranged on the upper dust removing frame seat plate, an upper dust removing connecting rod is arranged on the upper dust removing frame seat plate and is fixed through an upper dust removing locking bolt, one end of the upper dust removing connecting rod is connected with the upper dust removing cylinder, the other end of the upper dust removing connecting rod is connected with the upper dust removing connecting plate, the upper dust removing connecting plate clamps the upper dust removing cover, the upper dust removing cover is driven to overturn by the expansion and contraction of the upper dust removing cylinder, the upper dust removing cover is controlled by the upper dust removing cylinder, a hand valve of the upper dust removing cylinder is pulled, the overturning angle of the upper dust removing cover can be adjusted to be convenient for the disassembly and assembly of the cutter to observe the condition of a product at any time, the cutter is disassembled when the cutter is disassembled, the upper dust removing locking bolt is opened, the upper dust removing cylinder drives the upper dust removing cover to be disassembled, the lower dust removing cover is arranged on a fixed shaft sleeve, a dust removing opening on the lower dust removing cover is arranged in the direction of a saw dust discharging direction of the saw dust, and the dust is sucked up and down in a mode, the upper dust removing area is sucked up.
Further, the automatic control system adopts PLC control, and the rotating speed of the rotary workbench can be controlled in a variable-frequency speed regulation manner. The automatic control system comprises a control panel and a distribution box, wherein the control panel is fixed above the lathe bed through a control panel rotating shaft capable of rotating a plurality of times, operators with different height and stature are convenient to use, the distribution box is fixed below the lathe bed, and the control panel and the distribution box are separately placed, so that the purposes of being beneficial to operation and control are achieved.
The process flow of the numerical control woodworking intrados milling machine comprises the following steps:
1. The numerical control woodworking intrados milling machine adopts PLC control, a cutter rotating button on a control panel is started, a cutter shaft motor is started, a cutter arranged on a cutter main shaft is driven to rotate at a high speed by a flat belt, and a cutting device can adjust the machining depth by a dovetail upper guide rail.
2. After the machining depth is adjusted, the workpiece to be machined is respectively placed between two positioning blocks on the rotary workbench, and the workpiece locking device is manually adjusted to fix the workpiece on the rotary workbench.
3. The rotary button of the workbench on the control panel is started, the workbench motor is started, the guide shaft pinion is driven by the triangular belt transmission to be meshed with the inner gear of the workbench, the rotary workbench rotates at a low speed to realize the feeding motion of the product, and a workpiece such as a size R1 in figures 3-4 is cut and processed into a size R in figures 5-6. The rotating speed of the rotary workbench is adjusted according to the cutting quality and the requirement of clamping the workpiece, and the rotating speed of the workbench can be controlled by PLC variable frequency speed regulation.
4. The numerical control woodworking intrados milling machine can realize the function of continuously processing products without stopping. Namely, the work piece of the first station is processed, and when the workbench rotates to process the second work piece, the processed part of the first station is disassembled and a new work piece is installed. And when the third station part is processed by pushing, the workpiece at the second station is disassembled and installed.
5. The dust removal and chip removal adopt the mode of up-down opposite suction, and the upper dust removal is controlled by an upper dust removal cylinder, and the upper dust removal cylinder hand valve is pulled, so that the upper dust removal cover can be turned over by an angle, and the condition of product cutting can be observed at any time through the disassembly and assembly of a cutter. The lower dust removing mode is to install a lower dust removing cover below the workpiece, and a dust removing opening is arranged in the direction of discharging the sawdust, so that the dust is removed up and down together, and the dust removing requirement of the equipment is met.
6. In order to facilitate operation and improve processing efficiency, the control panel is designed to rotate 360 degrees without dead angles at the 3 position.
The numerical control woodworking intrados milling machine mainly adopts the cutter spindle to be vertically arranged and parallel to a Z axis, the cutting device is arranged in the rotary workbench, the length of the cutter is larger than the height H of a product, the product can be processed by one-time cutting, the product is fixed on the circular rotary workbench in a mechanical clamping mode, the axis of the cutter spindle is parallel to the axis of the spindle of the rotary workbench, a plurality of products can be simultaneously arranged on the table surface of the rotary workbench, the products are uniformly distributed according to the center, the center of the rotary workbench coincides with the center of the intrados of the product, the material is uniformly rotated on the workbench to realize feeding of the material, the cutter is arranged on the inner side of the material to realize processing of the material, the equipment cutting processing area is arranged opposite to the operation area, and the clamping and the disassembly of other products are convenient when the product is processed.
In conclusion, the invention is special equipment for processing the inner cambered surface of the bent corner product of the wood structure product wall body, and the whole equipment system is controlled by a PLC. The method has the advantages of high efficiency, energy conservation, environmental protection, stable quality, small production operation area and the like of processed products, and meanwhile, the method has the advantages of lower equipment cost, convenient operation, stability and reliability, and the uninterrupted product processing is more suitable for mass and standardized production of the products, and greatly reduces the production cost.
Drawings
FIG. 1 is a diagram of a traditional wood construction building wall lap joint;
FIG. 2 shows a standard corner connection mode of a prior wood structure building;
FIG. 3 is a top view of a product to be processed;
FIG. 4 is a rear view of a product to be processed;
FIG. 5 is a top view of the finished product being processed;
FIG. 6 is a rear view of the finished product;
FIG. 7 is a front view of the numerical control woodworking intrados cutting apparatus;
FIG. 8 is a cross-sectional view AA of FIG. 7;
FIG. 9 is a front view of a numerically controlled woodworking intrados milling machine;
FIG. 10 is a top view of a numerically controlled woodworking intrados milling machine;
Fig. 11 is a perspective view of a numerical control woodworking intrados milling machine.
Detailed Description
The invention is further illustrated by the following examples:
example 1
The embodiment discloses a numerical control woodworking intrados milling machine, which comprises a cutting device, a feeding device, a positioning device, a dust removing device, a rotary workbench 32, a lathe bed and an automatic control system as shown in figures 7-11.
The automatic cutting machine comprises a machine body, a rotary workbench 32, a cutting device, a feeding device, a positioning device, a dust removing device, an automatic control system and a feeding device (a cutter shaft motor 49 and a workbench motor 22), wherein the rotary workbench 32 is horizontally arranged above the machine body, the lower part of the cutting device is arranged on the lower side of the machine body, the upper part of the cutting device is arranged in the rotary workbench 32 in a penetrating mode, the feeding device is arranged below the machine body and used for driving the cutting device and the rotary workbench 32, the positioning device is arranged on the rotary workbench 32, the dust removing device is arranged above the cutting device (a cutter 4) and below a workpiece to be cut, and the automatic control system is electrically connected with the feeding device (the cutter shaft motor 49 and the workbench motor 22).
The bottom of the lathe bed is provided with a base frame 51, a dovetail lower guide rail 57 is fixed on the base frame 51, a dovetail upper guide rail 56 is matched on the dovetail lower guide rail 57, and a motor base 55 is fixed above the dovetail upper guide rail 56; the feeding device (cutter shaft motor 49) is arranged on a motor base 55 through a motor plate 46, a motor base adjusting block 48 is arranged on the motor base 55, an adjusting bolt 47 is arranged on the motor base adjusting block 48, the other end of the adjusting bolt is in threaded connection with the motor plate 46, the position of the motor plate 46 is adjusted through the adjusting bolt 47 on the motor base adjusting block 48, the cutter shaft motor 49 is driven to move left and right, a cutter shaft motor flat belt wheel 52 is arranged on the cutter shaft motor 49, the cutter shaft motor flat belt wheel 52 moves left and right along with the cutter shaft motor 49, and therefore a tension flat belt is achieved, the cutting device (fixed shaft sleeve 9) is arranged on the motor base 55, a dovetail guide rail adjusting screw 58 is rotated to enable a dovetail upper guide rail 56 to slide left and right, left position adjustment of the fixed shaft sleeve 9 can be achieved, and the specific position is adjusted according to the inner arc size of a workpiece. The tool spindle 1 of the cutting device is perpendicular to the dovetail upper rail 56 and the table top of the rotary table 32.
The feeding device comprises a cutter shaft motor 49, a cutter shaft motor flat belt wheel 52 is arranged at the output end of the cutter shaft motor 49, the cutter shaft motor flat belt wheel 52 adopts an arc-shaped structure, the flat belt is easier to tighten, the flat belt is prevented from falling off when being loosened, meanwhile, the flat belt is prevented from axially moving, and the service life of the flat belt is prolonged. The cutter shaft motor 49 transmits torque to the cutting device (flat pulley 12) through the cutter shaft motor flat pulley 52 and flat belt.
The feeding device further comprises a workbench motor 22 (cycloidal pin gear reducer), the workbench motor 22 is arranged on a motor seat plate 54, the motor seat plate 54 is fixed on a base frame 51 through bolts, long holes are milled in the motor seat plate 54, the positions of the motor seat plate 54 can be adjusted left and right by loosening the bolts, so that the workbench motor 22 is driven to move left and right, a workbench motor belt pulley 25 is arranged on the workbench motor 22, the workbench motor 22 moves left and right to drive the workbench motor belt pulley 25 to move left and right, and a tensioning transmission triangular belt is realized. The workbench motor 22 is started, the workbench motor belt pulley 25 rotates, the guide shaft belt pulley 23 is driven to rotate through a triangular belt, the guide shaft belt pulley 23 is arranged on the guide shaft 24, the guide shaft is fixed on the guide shaft seat 27 through the guide shaft bearing 26, the guide shaft seat 27 is arranged on the base frame 51, the guide shaft pinion 28 is arranged at the other end of the guide shaft, the guide shaft pinion 28 is meshed with the inner gear 33 of the rotary workbench 32, the workbench motor 22 transmits torque to drive the rotary workbench 32 to rotate at a low constant speed, and the workbench rotating speed can be adjusted through the frequency converter, so that the processing quality of the surface and reasonable process time configuration are ensured.
The rotary workbench 32 comprises a workbench inner gear 33, a rotary table nylon sleeve 31, an outer ring 30, a nylon sleeve sliding block 29 and an outer protective sleeve 45, wherein the workbench inner gear 33 is arranged on the rotary workbench, the outer ring 30 is arranged on an outer ring framework 50, the outer ring framework 50 is arranged on a base frame 51, the height can be finely adjusted through an adjusting screw 59, the parallelism of the workbench to the ground plane is adjusted after the assembly is completed, the nylon sleeve sliding block 29 is arranged in the outer ring 30, the nylon sleeve sliding block 29 is connected with the outer circular wall of the workbench through screws, the workbench is prevented from moving up and down during working, the machining precision is guaranteed, the outer protective sleeve 45 is arranged at the outer circular position of the rotary workbench 32, and the workbench is prevented from rotating the exposed screws to scratch workers.
The 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, the flat belt pulley 12 can drive the cutter 4 fixed on the cutter main shaft to perform rotary cutting movement, the size of the cutting edge of the axial section of the cutter 4 is the same as that of the section of a machined workpiece, the end part of the cutter main shaft 1 sleeved with the cutter 4 is in threaded connection with a cutter lock nut 2, and a cutter gasket 3 is arranged between the cutter lock nut 2 and the cutter 4.
The tool spindle 1 is mounted in a movable shaft sleeve 8 in a matched mode through a bearing 7, a bearing gland 6 and a sealing ring 5 are sealed in an axial labyrinth mode, wood dust and dust can be prevented from entering the bearing, the outer diameter of the movable shaft sleeve 8 is in clearance fit with the inner diameter of a fixed shaft sleeve 9, first locking bolts 21 are mounted at the upper end and the lower end of the fixed shaft sleeve 9, after the first locking bolts are fastened, the movable shaft sleeve 8 is fixed on the fixed shaft sleeve 9, one end, close to a flat belt pulley 12, of the movable shaft sleeve 8 is fixedly provided with a bearing end cover 11, a baffle ring 10 is mounted between the bearing of the tool spindle 1 and the flat belt pulley 12 and plays a role of positioning the belt pulley and dust prevention, a gasket 13 is mounted at the end of the tool spindle 1, and is fixedly provided with a flat belt pulley 12 through a locking bolt 14 and a flat key, an adjusting nut 17 is fixed on the bearing end cover 11, one end of the adjusting screw 15 is mounted on the adjusting bracket 18 through a pressure bearing 19 and a first locking nut 20, the other end of the adjusting screw 15 is in threaded fit with the adjusting nut 17, after the locking nut 16 is mounted on the adjusting screw 15, after the adjusting screw 15 is fixed, after the adjusting screw 15 is loosened, the left end of the adjusting nut 17 is driven by the adjusting nut 17 to move the bearing 8 and the right end cover 8, the first locking bolt 21 is fixed, and the position of the adjusting nut 21 is adjusted. The movable shaft sleeve 8 drives the cutter 4 to move along the axis direction, and the inner arc size of the workpiece cut by the cutter is adjusted, so that the arc radius of the machined workpiece is changed.
The rotation direction of the tool spindle 1 is opposite to that of the rotary table 32, and the tool spindle 1 drives the tool 4 fixed thereon to perform rotary cutting motion.
The positioning device comprises a plurality of positioning blocks 62 and a plurality of workpiece locking devices, wherein the positioning blocks 62 are arranged on the upper plane of the rotary workbench 32, the positioning blocks 62 are uniformly distributed according to the sizes and circumferences of two side edges of a workpiece, the workpiece locking devices comprise locking handwheels 44, locking screw rods 40, locking seats 43, locking nuts 42 and locking blocks 41, the locking seats 43 are arranged on the rotary workbench 32, the locking nuts 42 are fixed on the locking seats 43, the locking screw rods 40 are in threaded fit with the locking nuts 42, one ends of the locking screw rods 40 are provided with the locking handwheels 44, the other ends of the locking screw rods 40 are connected with the locking blocks 41, and the locking blocks 41 are connected with the locking seats 43 through springs so as to prevent loosening after locking. The locking hand wheel 44 is rotated, the locking screw 40 drives the locking block 41 to press the workpiece, and the workpiece is loosened in the opposite direction. When the product is clamped, the two sides of the product are used as references, the product is placed between the two positioning blocks on the table surface of the workbench, the positioning blocks are completely attached, and the rotary locking device is used for compressing.
The dust removing device comprises an upper dust removing cover 39 arranged above a cutter 4 and a lower dust removing cover 63 arranged below a workpiece, wherein the upper dust removing frame base plate 34 is arranged on an outer ring framework 50 of a machine body, an upper dust removing cylinder 35 is arranged on the upper dust removing frame base plate 34, an upper dust removing connecting rod 37 is arranged on the upper dust removing frame base plate 34 and is fixed through an upper dust removing locking bolt 36, one end of the upper dust removing connecting rod 37 is connected with the upper dust removing cylinder 35, the other end of the upper dust removing connecting rod is connected with an upper dust removing connecting plate 38, the upper dust removing connecting plate 38 clamps the upper dust removing cover 39, the upper dust removing cover 39 is driven to turn over through the expansion and contraction of the upper dust removing cylinder 35, the upper dust removing cover 39 is controlled by the upper dust removing cylinder 35, the upper dust removing cylinder hand valve can be turned over to enable the upper dust removing cover 39 to be turned over to facilitate the disassembly and assembly of the cutter to observe the cutting condition of the product at any time, the upper dust removing locking bolt 36 is opened when the cutter 4 is disassembled, the upper dust removing cylinder 35 drives the upper dust removing cover 39 to be lifted and then disassembled and assembled and disassembled, the lower dust removing cover 63 is arranged on a fixed shaft sleeve 9, and dust openings on the lower dust removing cover 63 are opened in the direction of a dust removing cover 39.
The automatic control system adopts a PLC control system, and the rotating speed of the rotary workbench 32 is controlled by variable frequency speed regulation. The automatic control system comprises a control panel 61 and a distribution box 53, wherein the control panel 61 is fixed above a lathe bed through a control panel rotating shaft 64 capable of rotating a plurality of times, operators with different height and statures are convenient to use, the distribution box 53 is fixed below the lathe bed, and the control panel 61 and the distribution box 53 are placed separately, so that the purposes of being beneficial to operation and control are achieved.
The process flow of the numerical control woodworking intrados milling machine comprises the following steps:
1. The numerical control woodworking intrados milling machine adopts PLC control, a cutter rotating button on a control panel 61 is started, a cutter shaft motor 49 is started, a cutter 4 arranged on a cutter main shaft 1 is driven to rotate at a high speed through a flat belt, and a cutting device can adjust the machining depth through a dovetail upper guide rail 56.
2. After the machining depth is adjusted, the workpiece 60 to be machined is placed between the two positioning blocks 62 on the rotary table 32, and the workpiece locking device is manually adjusted to fix the workpiece 60 on the rotary table 32.
3. The table rotating button on the control panel 61 is started, the table motor 22 is started, the guide shaft pinion 28 is driven by the triangular belt transmission, the guide shaft pinion 28 is meshed with the table internal gear 33, the rotating table rotates at a low speed to realize the product feeding motion, and the workpiece 60 is cut into the size R1 in figures 3-4 to be the size R in figures 5-6. The rotating speed of the rotary workbench 32 is adjusted according to the cutting quality and the requirement of clamping the workpiece, and the rotating speed of the workbench can be controlled by PLC variable frequency speed regulation.
4. The numerical control woodworking intrados milling machine can realize the function of continuously processing products without stopping. I.e., the first station workpiece is finished, and the rotary table 32 is rotated to process the second workpiece, the finished workpiece of the first station is removed and a new workpiece is installed. And when the third station part is processed by pushing, the workpiece at the second station is disassembled and installed.
5. The mode of up-down opposite suction is adopted for dust removal and chip removal, the upper dust removal is controlled by the upper dust removal cylinder 35, and the upper dust removal cylinder hand valve is pulled, so that the upper dust removal cover 39 can be turned over by an angle, and the cutting condition of a product can be observed at any time conveniently during the disassembly and assembly of the cutter. The lower dust removing mode is to install a lower dust removing cover 63 below the workpiece, and a dust removing opening is arranged in the direction of discharging the sawdust, so that the dust is removed up and down together, and the dust removing requirement of the equipment is met.
6. In order to facilitate operation and improve processing efficiency, the control panel 61 is designed to rotate 360 degrees at 3 without dead angles.
It should be noted that the above embodiments are merely for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the technical solution described in the above embodiments may be modified or some or all of the technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the present invention.