CN113334081B

CN113334081B - Gantry type numerical control drilling and milling machine

Info

Publication number: CN113334081B
Application number: CN202110702477.4A
Authority: CN
Inventors: 许碧环
Original assignee: Dongguan Zhiyuan Numerical Control Equipment Manufacturing Co ltd; Guangdong Zhiyuan Intelligent Equipment Co ltd
Current assignee: Dongguan Zhiyuan Numerical Control Equipment Manufacturing Co ltd; Guangdong Zhiyuan Intelligent Equipment Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2022-10-25
Anticipated expiration: 2041-06-24
Also published as: CN113334081A

Abstract

The invention discloses a gantry type numerical control drilling and milling machine, which relates to the technical field of numerical control machine tools, and has the structure comprising a drilling and milling device, a translation device, a machine body and a gantry, wherein the machine body is movably connected with the gantry, the translation device is arranged on the front surface of the gantry, and a translation block of the translation device is vertically connected with the drilling and milling device, so that the gantry type numerical control drilling and milling machine has the beneficial effects that: utilize the processing back to make the workstation translation reset and inflate and promote processing bits and cutting fluid discharge, and add assorted slat with it on the recess, make the gradient of slat adjustable, further do benefit to the chip removal flowing back, can prevent that the processing bits from remaining in the recess, it piles up or overflows to avoid the cutting fluid, make the clearance of processing bits lighter, and the workstation adds the steel ball, the vice decompression assembly pulley that adds of nut, can reduce pressure for the lead screw with this, avoid whole weight to all exert pressure on the lead screw, through increasing the dust belt of establishing, can prevent that processing bits and external dust impurity from falling on the lead screw and leading to the vice translation of nut to take place to block and pause.

Description

Gantry type numerical control drilling and milling machine

Technical Field

The invention relates to a numerical control machine tool, in particular to a gantry type numerical control drilling and milling machine.

Background

The gantry type numerical control drilling and milling machine is a milling machine with a door frame type and a horizontal long machine tool, has higher machining precision and production efficiency, is different from a common numerical control milling machine, the machine tool of the gantry type numerical control drilling and milling machine is in feeding motion, the main motion is the rotary motion of a milling cutter, and the milling cutter performs drilling and milling operations on a workpiece through the rotary motion.

After a workpiece is drilled and milled on a conventional gantry type numerical control drilling and milling machine, a workbench of the machine tool is provided with a long groove, machining chips generated by machining can fall into the groove, cutting fluid is usually adopted in machining to cool and lubricate a cutter and a machined part, the cutting fluid has certain viscosity, the higher the viscosity is, the thicker the liquid film formed by the cutting fluid on a friction surface is, the more remarkable the friction reduction effect is, the better the lubricity is, on the other hand, the lower the viscosity is, the better the permeability and the washability of the cutting fluid are, the easier the cutting fluid permeates into a workpiece of a tool box, the more effective the cutting fluid is in the aspects of cleaning, dropping abrasive particles and preventing the blockage of a grinding wheel, when the cutting fluid with the higher viscosity is adopted, the machining chips can be adhered to the groove, the machining chips are not convenient to clean, the existing long groove is a plane, the flowing of the cutting fluid is not favorable, and the cutting fluid can be accumulated.

Disclosure of Invention

Aiming at the defects in the prior art, in order to achieve the purpose, the invention is realized by the following technical scheme: the structure of the gantry type drilling and milling machine comprises a drilling and milling device, a translation device, a machine body and a gantry, wherein the machine body is movably connected with the gantry, the translation device is installed on the front face of the gantry, a translation block of the translation device is vertically connected with the drilling and milling device, and the drilling and milling device is located right above the machine body.

The organism is including the base, collects box, workstation, mobilizable workstation is installed to the base top, the dead ahead of workstation is fixed with collects the box, base and portal frame both sides swing joint, two inboards of base all are equipped with transmission, and are two sets of transmission connects through backing roll, two bent levers, no. two backing rolls, two bent levers are located between backing roll and No. two backing rolls, two ends of a backing roll, no. two backing rolls all are connected with the inboard of base is perpendicular, and are two sets of be equipped with two sets of inflator parallel to each other between the transmission, the inflator runs through in a backing roll perpendicularly, the inflator all passes through L type pipe and a seamless intercommunication of backing roll, a backing roll passes through bellows and the seamless switch-on of two bent levers, transmission connects in the workstation.

The utility model discloses a pneumatic conveyor, including the transmission, transmission is including changeing roller, dustproof area, lead screw, connecting block, nut pair, support, decompression guide pulley group, threaded connection has the nut pair on the lead screw, the vice top surface of nut is fixed with the connecting block, and the bottom is connected with decompression guide pulley group, the one end and a backing roll and swing joint of lead screw, other end swing joint in No. two backing rolls, two ends of lead screw all are equipped with changes the roller, dustproof area passes the wheel carrier passageway of decompression guide pulley group and is connected with the connecting block through changeing the roller, the equal swing joint of commentaries on classics roller has the support, the support is equipped with two, one and a backing roll fixed connection, another connects in No. two backing rolls.

The base is provided with a large V-shaped groove, and the groove surface of the large V-shaped groove is smooth.

The workstation is including the stage body, steel ball, pivot, rectangular slab, recess, flexible cover, the head of loosing gas, the board of loosing gas, rectangular form recess has been seted up side by side on the stage body, the equal interference fit in top of recess has the rectangular slab, the one end of rectangular slab is passed through flexible cover and is connected with the head of loosing gas, and the other end is connected in the pivot, the head of loosing gas is fixed on the board of loosing gas, the board of loosing gas and the air flue intercommunication of stage body, this air flue setting are in the inside both sides of stage body, the stage body is located the pivot and between the board of loosing gas, the bottom surface of stage body still equipartition has the steel ball, steel ball and base top surface contact.

The widths of the dustproof belt, the nut pair and the long strip opening are sequentially decreased progressively.

When the gantry type numerical control drilling and milling machine is used, a workpiece to be processed is fixed on a workbench through a clamp, a lead screw is driven to rotate through a motor, a nut pair drives the workbench to translate to the middle position of a base through a connecting block along with the rotation of the lead screw, the nut pair can enable an air cylinder to collect air through a double-crank rod in the process, two ends of a dustproof belt are respectively connected with two ends of the connecting block, so that one end of the translation of the connecting block generates tension on the dustproof belt, the other end of the translation of the connecting block releases the dustproof belt, the translation of the nut pair can drive the dustproof belt to transmit through the connecting block, the translation of the nut pair cannot be obstructed, the lead screw can be blocked, external dust is prevented from falling on the lead screw through a long strip opening to influence the translation of the nut pair, meanwhile, the dustproof belt can be driven, and the forward transmission of the dust falling on the dustproof belt can be realized, until the dust impurities fall along the conveying radian of the dust-proof belt, after the workpiece is machined, the workpiece is taken down and is rotated by reversely driving the screw rod, so that the air cylinder can be inflated by the nut pair through the double bent rods, the ejected air passes through the L-shaped guide pipe, the corrugated pipe, the hollow double bent rods, the nut pair, the connecting block, the air passage and the air diffusion plate are blown out from the air diffusion head, thereby pushing the machining chips and the cutting fluid which fall on the long strip plate, avoiding the residual machining chips, rotating the rotating shaft anticlockwise through the turntable, enabling one end of the long strip plate to rotate anticlockwise by taking the rotating shaft as the shaft, enabling one end of the long strip plate far away from the rotating shaft to warp towards the telescopic cover, namely generating pressure on the telescopic cover, enabling one end of the long strip plate towards the air diffusion head to be high-end and one end towards the rotating shaft to be low-end, thereby having high and low potentials, facilitating the machining chips to slide down along the direction to enter the collecting box, and finally fall in the large groove through an opening at the bottom of the collecting box, and the long strip plate is adjusted to have inclination during processing so as to facilitate chip and liquid discharge.

Advantageous effects

The gantry type numerical control drilling and milling machine has the following beneficial effects:

according to the invention, gas collection is carried out by utilizing translation before the workbench is machined, the workbench is translated and reset for inflating after machining, the ejected gas can push machining chips and cutting fluid to be discharged, the groove is additionally provided with the strip plate matched with the groove, the inclination of the strip plate can be adjusted, chip removal and liquid drainage are further facilitated, the machining chips can be prevented from remaining in the groove, the cutting fluid is prevented from being accumulated or overflowing, the machining chips are easier to clean, the workbench is additionally provided with the steel ball and the nut pair is additionally provided with the pressure reduction pulley block, so that the pressure can be reduced for the screw rod, the whole weight is prevented from being applied to the screw rod, and the phenomenon that the machining chips and external dust impurities fall on the screw rod to cause the nut pair to be clamped and unsmooth in translation can be prevented by additionally arranging the dust belt.

Drawings

Other features, objects and advantages of the invention will become more apparent from the detailed description of non-limiting embodiments thereof, which proceeds with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of a gantry type numerical control drilling and milling machine of the invention.

Fig. 2 is a schematic perspective view of the housing of the present invention.

Fig. 3 is a schematic internal top view of the base of the present invention.

Fig. 4 is a schematic diagram of the internal side view structure of the base of the present invention.

Fig. 5 is a schematic perspective view of the workbench according to the present invention.

The corresponding relation between the figure numbers and the component names in the figures is as follows: the device comprises a drilling and milling device-1, a translation device-2, a machine body-3, a portal frame-4, a base-31, a collecting box-32, a workbench-33, a transmission device-316, a first supporting roller-313, a double-curved rod-315, a second supporting roller-317, a double-curved rod-315, an air cylinder-311, an L-shaped conduit-312, a corrugated pipe-314, a rotating roller-161, a dustproof belt-162, a screw rod-163, a connecting block-164, a nut pair-165, a bracket-166, a pressure reducing guide wheel set-167, a long strip opening-31 a, a large V groove-31 b, a table body-331, a steel ball-332, a rotating shaft-333, a long strip plate-334, a groove-335, a telescopic cover-336, an air dispersing head-337 and an air dispersing plate-338.

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.

Example 1

As shown in fig. 1-2, the invention provides a gantry type numerical control milling and drilling machine, which structurally comprises a milling and drilling device 1, a translation device 2, a machine body 3 and a gantry frame 4, wherein the machine body 3 is movably connected with the gantry frame 4, the translation device 2 is installed on the front surface of the gantry frame 4, a translation block of the translation device 2 is vertically connected with the milling and drilling device 1, the milling and drilling device 1 is positioned right above the machine body 3, the machine body 3 comprises a base 31, a collection box 32 and a workbench 33, a movable workbench 33 is installed above the base 31, the collection box 32 is fixed right in front of the workbench 33, and the base 31 is movably connected with two sides of the gantry frame 4.

As shown in fig. 3, two inner sides of the base 31 are provided with transmission devices 316, two sets of the transmission devices 316 are connected through a first supporting roller 313, a double curved bar 315 and a second supporting roller 317, the double curved bar 315 is located between the first supporting roller 313 and the second supporting roller 317, two ends of the first supporting roller 313 and the second supporting roller 317 are vertically connected with the inner side of the base 31, two sets of air cylinders 311 parallel to the two sets of the transmission devices 316 are arranged between the two sets of the transmission devices 316, the air cylinders 311 vertically penetrate through the first supporting roller 313, the air cylinders 311 are seamlessly communicated with the first supporting roller 313 through L-shaped guide tubes 312, the first supporting roller 313 is seamlessly communicated with the double curved bar 315 through corrugated tubes 314, the corrugated tubes 314 can move with the movement of the double curved bar 315 to enable the gas to be normally conveyed, and the transmission devices 316 are connected to the workbench 33.

As shown in fig. 4, the transmission device 316 includes a rotating roller 161, a dust-proof belt 162, a screw rod 163, a connecting block 164, a nut pair 165, a bracket 166, and a pressure-reducing guide wheel set 167, the screw rod 163 is connected with the nut pair 165 through a thread, the top surface of the nut pair 165 is fixed with the connecting block 164, the bottom of the nut pair 165 is connected with the pressure-reducing guide wheel set 167, the pressure-reducing guide wheel set 167 can share the weight of the nut pair 165 and the weight of the workbench 33 for the screw rod 163, and it is avoided that the screw rod 163 is damaged due to the fact that the weight is completely applied to the screw rod 163, one end of the screw rod 163 is movably connected with the first supporting roller 313, the other end of the screw rod 163 is movably connected with the second supporting roller 317, the rotating roller 161 is respectively disposed at two ends of the screw rod 163, the rotating roller 161 can prop open the dust-proof belt 162, so that the screw rod 163 can be disposed in the dust-proof belt 162, the dust-proof belt 162 passes through a wheel carrier channel of the pressure-reducing guide wheel set 167 and is connected with the connecting block 164 through the rotating roller 161, the rotating roller 161 is movably connected with the bracket 166, the supporting roller 166, and the two supporting rollers 166 are respectively connected with the first supporting roller 313.

Rectangular mouth 31a has all been seted up to base 31's top surface both sides, and connecting block 164 passes rectangular mouth 31a and is connected with workstation 33, base 31 still is equipped with big V groove 31b, and big V groove 31 b's capping is smooth setting, and processing bits can be collected in big V groove 31b, and the V type more does benefit to the concentration of processing bits, is convenient for clear up processing bits fast.

The widths of the dustproof belt 162, the nut pair 165 and the long strip opening 31a are gradually decreased, the lead screw 163 can be shielded by the dustproof belt 162, and the situation that the translation of the nut pair 165 is influenced by external dust falling on the lead screw 163 through the long strip opening 31a is avoided.

Example 2

As shown in fig. 5, the working table 33 includes a table body 331, steel balls 332, a rotating shaft 333, a strip-shaped groove 334, a groove 335, a telescopic cover 336, an air dispersing head 337, and an air dispersing plate 338, the table body 331 is provided with the strip-shaped groove 335 side by side, the groove 335 is provided to facilitate clamping a workpiece by a clamp, the strip-shaped groove 334 is disposed above the groove 335 in interference fit, one end of the strip-shaped groove 334 is connected with the air dispersing head 337 through the telescopic cover 336, the other end of the strip-shaped groove is connected to the rotating shaft 333, the strip-shaped groove 334 and the rotating shaft 333 are disposed so that the rotating shaft can drive the strip-shaped groove to rotate, so that the strip-shaped groove has an inclination angle which is adjustable to facilitate discharging and discharging fluid, the air dispersing head 337 is fixed on the air dispersing plate 338, the air dispersing plate 338 is communicated with an air passage of the table body 331, the air passage is disposed on both sides inside the table body 331, the table body 331 is disposed between the rotating shaft 333 and the air dispersing plate 338, the steel balls 332 are further uniformly disposed on the bottom surface of the table body 332, the steel balls 332 contacts with the top surface of the base 31, the steel balls 332 is disposed so that smooth movement of the working table body 33 and the base 31 is prevented from rubbing against the nut 163, and the screw rod 165 is capable of sharing pressure on the base 165, and the pressure of the screw.

The working principle is as follows: a workpiece to be processed is fixed on the workbench 33 through a clamp, the screw rod 163 is driven to rotate through the motor, the nut pair 165 drives the workbench 33 to translate to the middle position of the base 31 through the connecting block 164 along with the rotation of the screw rod 163, in the process, the nut pair 165 enables the air cylinder 311 to collect air through the double-bent rod 315, as the two ends of the dustproof belt 162 are respectively connected with the two ends of the connecting block 164, the translation of the connecting block 164 generates a pulling force on the dustproof belt 162 at one end, and the dustproof belt 162 is released at the other end, so that the translation of the nut pair 165 is driven to be transmitted through the connecting block 164, the translation of the nut pair 165 is not hindered, the screw rod 163 is blocked, and external dust is prevented from falling on the screw rod 163 through the long opening 31a to influence the translation of the nut pair 165, and meanwhile, the dustproof belt 162 can be transmitted, so that the external dust can fall on the forward transmission of the dustproof belt 162 until the dust impurities fall along the transmission radian of the dustproof belt 162;

after the workpiece is machined, the workpiece is taken down, the screw rod is driven to rotate reversely, so that the nut pair 165 can inflate the air cylinder 311 through the double crank rod 315, and the inflated air is blown out of the air diffusing head 337 through the L-shaped guide pipe 312, the corrugated pipe 314, the hollow double crank rod 315, the nut pair 165, the connecting block 164, the air channel and the air diffusing plate 338, so that machining chips and cutting fluid falling on the long strip plate 334 can be pushed, and the machining chips are prevented from being left;

through carousel anticlockwise rotation pivot 333 for the one end of rectangular board 334 uses pivot 333 to rotate as the axle anticlockwise, thereby the one end that rectangular board 334 kept away from pivot 333 sticks up to, produces pressure to the telescopic hood 336 promptly, makes the one end of rectangular board 334 towards the head 337 that looses be high-end, is the low end towards the one end of pivot 333, thereby has the height trend, is convenient for the processing bits take advantage of the situation landing and gets into collection box 32, drops at big V groove 31b through the opening of collecting the box 32 bottom at last.

The invention solves the problems that a workbench of the existing numerical control machine tool is provided with a long-strip groove, machining scraps generated by machining can fall in the groove, when cutting fluid with high viscosity is adopted to cool and lubricate a cutter and a workpiece, the machining scraps can be adhered in the groove, the machining scraps are inconvenient to clean, the existing long-strip grooves are all planes, the flowing of the cutting fluid is not facilitated, and the cutting fluid can be accumulated or overflowed.

While there have been shown and described what are at present considered to be the basic principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. The utility model provides a planer-type numerical control milling and drilling machine, its structure is including boring milling device (1), translation device (2), organism (3), portal frame (4), organism (3) and portal frame (4) swing joint, translation device (2) are openly installed in portal frame (4), the translation piece and the boring milling device (1) of translation device (2) are connected perpendicularly, bore milling device (1) and be located organism (3) directly over, its characterized in that: the machine body (3) comprises a base (31), a collecting box (32) and a workbench (33), wherein the movable workbench (33) is arranged above the base (31), the collecting box (32) is fixed right in front of the workbench (33), and the base (31) is movably connected with two sides of the portal frame (4);

the automatic cleaning machine is characterized in that transmission devices (316) are arranged on two inner sides of the base (31), the two transmission devices (316) are connected through a first supporting roller (313), a double-curved-bar (315) and a second supporting roller (317), the double-curved-bar (315) is positioned between the first supporting roller (313) and the second supporting roller (317), two tail ends of the first supporting roller (313) and the second supporting roller (317) are vertically connected with the inner side of the base (31), two groups of air cylinders (311) parallel to each other are arranged between the two transmission devices (316), the air cylinders (311) vertically penetrate through the first supporting roller (313), the air cylinders (311) are both in seamless communication with the first supporting roller (313) through L-shaped guide pipes (312), the first supporting roller (313) is in seamless communication with the double-curved-bar (315) through corrugated pipes (314), and the transmission devices (316) are connected to the workbench (33);

the transmission device (316) comprises a screw rod (163), a nut pair (165) is connected to the screw rod (163) in a threaded manner, and a connecting block (164) is fixed to the top surface of the nut pair (165);

the workbench (33) comprises a workbench body (331), steel balls (332), a rotating shaft (333), a long strip plate (334), grooves (335), a telescopic cover (336), an air dispersing head (337) and an air dispersing plate (338), wherein the workbench body (331) is provided with the grooves (335) side by side, the grooves (335) are in interference fit with the long strip plate (334), one end of the long strip plate (334) is connected with the air dispersing head (337) through the telescopic cover (336), the other end of the long strip plate is connected with the rotating shaft (333), the air dispersing head (337) is fixed on the air dispersing plate (338), the air dispersing plate (338) is communicated with air passages of the workbench body (331), the air passages are arranged on two sides in the workbench body (331), the workbench body (331) is positioned between the rotating shaft (333) and the air dispersing plate (338), and the steel balls (332) in contact with the base (31) are uniformly distributed on the bottom surface of the workbench body (331);

the screw rod (163) is driven to rotate through the motor, the nut pair (165) drives the workbench (33) to translate to the middle position of the base (31) through the connecting block (164) along with the rotation of the screw rod (163), in the process, the air cylinder (311) can be subjected to air collection through the double-crank rod (315), after the workpiece is machined, the workpiece is taken down, the screw rod (163) is driven to rotate reversely, so that the air cylinder (311) can be aerated through the double-crank rod (315) by the nut pair (165), the aerated air which is aerated is blown out from the air dispersing head (337) through the L-shaped guide pipe (312), the corrugated pipe (314), the hollow double-crank rod (315), the nut pair (165), the connecting block (164), the air channel and the air dispersing plate (338), and machining chips and cutting fluid which fall on the long strip (334) can be pushed.

2. The gantry type numerical control milling and drilling machine of claim 1, wherein: transmission (316) are including changeing roller (161), dustproof area (162), support (166), decompression guide pulley group (167), the vice (165) bottom of nut is connected with decompression guide pulley group (167), the one end and a backing roll (313) and swing joint of lead screw (163), other end swing joint in No. two backing rolls (317), the both ends of lead screw (163) all are equipped with commentaries on classics roller (161), dustproof area (162) pass the wheel carrier passageway of decompression guide pulley group (167) and are connected with connecting block (164) through changeing roller (161), the equal swing joint of commentaries on classics roller (161) has support (166).

3. The gantry type numerical control milling and drilling machine of claim 1, wherein: rectangular mouth (31 a) have all been seted up to base (31) top surface both sides, and connecting block (164) pass rectangular mouth (31 a) and are connected with workstation (33), base (31) still are equipped with big V groove (31 b).