CN113334081A

CN113334081A - Gantry type numerical control drilling and milling machine

Info

Publication number: CN113334081A
Application number: CN202110702477.4A
Authority: CN
Inventors: 许碧环
Original assignee: Individual
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: 2021-09-03
Anticipated expiration: 2041-06-24
Also published as: CN113334081B

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 structurally 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 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 the existing gantry type numerical control drilling and milling machine, a worktable of the machine tool is provided with a long-strip groove, machining chips generated by machining can fall into the groove, cutting fluid is usually adopted in the machining process for cooling and lubricating a cutter and a machined part, the cutting fluid has certain viscosity, the thicker the cutting fluid with higher viscosity is, the more remarkable the friction reducing effect is, the lubricity is, on the other hand, the better the permeability and the cleaning performance of the cutting fluid with lower viscosity are, the easier the cutting fluid permeates into the workpiece of a tool box, the more effective the cutting fluid is in cleaning cutting, falling abrasive particles and preventing the blockage of a grinding wheel, the cutting chips accumulated in pores of the grinding wheel are adhered in the groove by the cutting fluid with higher viscosity, so that the machining chips are not convenient to clean, and the existing long-strip grooves are all planar, adversely affects the flow of the cutting fluid and causes the cutting fluid to accumulate.

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 transmission device comprises a rotating roller, a dustproof belt, a screw rod, a connecting block, a nut pair, a support and a pressure reducing guide wheel set, wherein the screw rod is provided with the nut pair, the top surface of the nut pair is fixed with the connecting block, the bottom of the nut pair is connected with the pressure reducing guide wheel set, one end of the screw rod is movably connected with a support roller and a movable connection, the other end of the screw rod is movably connected with a support roller, the two ends of the screw rod are respectively provided with the rotating roller, the dustproof belt penetrates through a wheel carrier channel of the pressure reducing guide wheel set and is connected with the connecting block through the rotating roller, the rotating roller is movably connected with the support, the support is provided with two support rollers, one support roller is fixedly connected with the other support roller, and the other support roller is connected with the second support roller.

The long strip openings are formed in two sides of the top surface of the base, the connecting block penetrates through the long strip openings to be connected with the workbench, the base is further 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 screw rod 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 screw rod, the nut pair can enable an air cylinder to collect air through a double-crank rod in the process, two ends of a dust-proof belt are respectively connected with two ends of the connecting block, so that one end of the translation of the connecting block can generate tension on the dust-proof belt, the other end of the translation of the connecting block can release the dust-proof belt, the translation of the nut pair can be driven through the connecting block to drive the dust-proof belt to carry out transmission, the translation of the nut pair cannot be obstructed, the screw rod can be prevented, external dust is prevented from falling on the screw rod through a strip opening to influence the translation of the nut pair, meanwhile, the dust-proof belt can be transmitted, the forward transmission falling on the dust-proof belt can be realized until the dust impurities fall along the radian of the dust-proof belt, after the workpiece is machined, the workpiece is taken down, the screw rod is driven to rotate reversely, so that the nut pair can inflate the inflator through the double-crank rod, the inflated gas is blown out of the gas diffusing head through the L-shaped guide pipe, the corrugated pipe, the hollow double-crank rod, the nut pair, the connecting block, the channel and the gas diffusing plate, thereby pushing the processing chips and the cutting fluid which fall on the long strip plate, avoiding the residual processing chips, rotating the rotating shaft anticlockwise through the turntable, so that one end of the strip plate rotates anticlockwise by taking the rotating shaft as a shaft, and the end of the strip plate far away from the rotating shaft tilts upwards, namely, the pressure is generated on the telescopic cover, so that one end of the long lath facing the air dispersing head is a high end, and the other end facing the rotating shaft is a low end, therefore, the long lath has the height, the machined scraps can conveniently slide down to enter the collecting box, finally fall into the large groove through the opening at the bottom of the collecting box, and the long lath is adjusted to have the gradient during machining so as to conveniently discharge the scraps and the liquid.

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 a reading of the detailed description of non-limiting embodiments with reference to the attached drawings.

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

Fig. 2 is a schematic perspective view of the body 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 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: 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 guide pipe-312, a corrugated pipe-314 and 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 group-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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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 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 bent rod 315 and a second supporting roller 317, the double bent rod 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 groups of gas cylinders 311 parallel to each other are arranged between the two transmission devices 316, the gas cylinders 311 vertically penetrate through the first supporting roller 313, the gas cylinders 311 are seamlessly connected with the first supporting roller 313 through L-shaped guide tubes 312, the first supporting roller 313 is seamlessly connected with the double bent rod 315 through a corrugated tube 314, the corrugated tube 314 can move with the movement of the double bent rod 315 to move horizontally, so that gas can 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 in a threaded manner, 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 workbench 33 for the screw rod 163, and the screw rod 163 is prevented from being damaged due to the weight being completely applied on the screw rod 163, one end of the screw rod 163 is movably connected with a first supporting roller 313, the other end of the screw rod is movably connected with a second supporting roller 317, the two ends of the screw rod 163 are both provided with the rotating roller 161, the rotating roller 161 can prop the dust-proof belt 162 open, so that the screw rod 163 can be located 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 166, the support 166 is provided with two supports, one support is fixedly connected with the first support roll 313, and the other support is connected with the second support roll 317.

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

Example 2

As shown in fig. 5, the working table 33 includes a table 331, a steel ball 332, a rotating shaft 333, a strip plate 334, a groove 335, a telescopic cover 336, an air dispersing head 337, and an air dispersing plate 338, the table 331 is provided with strip grooves 335 side by side, the grooves 335 are disposed so as to clamp a workpiece by a clamp, the strip plate 334 is disposed above the grooves 335 in interference fit, one end of the strip plate 334 is connected with the air dispersing head 337 via the telescopic cover 336, the other end of the strip plate is connected to the rotating shaft 333, the rotating shaft can drive the strip plate to rotate due to the arrangement of the strip plate 334 and the rotating shaft 333, so that the strip plate has an inclination angle which can be adjusted to facilitate chip and liquid discharge, 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 331, the air passage is disposed at two sides inside the table 331, and the table 331 is located between the rotating shaft 333 and the air dispersing plate 338, the bottom surface of the table body 331 is also uniformly distributed with steel balls 332, the steel balls 332 are in contact with the top surface of the base 31, the arrangement of the steel balls 332 facilitates the smooth movement of the workbench 33, the abrasion caused by the friction between the table body 331 and the base 31 during the movement is avoided, meanwhile, the steel balls 332 can share the pressure for the nut pair 165, and the weight is prevented from being completely pressed on the screw rod 163.

The working principle is as follows: the workpiece to be processed is fixed on the worktable 33 through a clamp, the screw rod 163 is driven to rotate through the motor, so that the nut pair 165 drives the worktable 33 to translate to the middle position of the base 31 through the connecting block 164 along with the rotation of the screw 163, and in the process, the nut pair 165 enables the air cylinder 311 to collect air through the double crank 315, because the two ends of the dust-proof 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 dust-proof belt 162 at one end, and releases the dust-proof belt 162 at the other end, therefore, the translation of the nut pair 165 can drive the dust-proof belt 162 to transmit through the connecting block 164, not only the translation of the nut pair 165 is not blocked, but also the screw rod 163 can be blocked, the translation of the nut pair 165 is prevented from being influenced by external dust falling on the screw rod 163 through the long opening 31a, meanwhile, the dust belt 162 can be driven, so that the dust belt 162 falling on the dust belt can be conveyed forwards until the dust impurities fall along the conveying radian of the dust 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 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;

the rotating shaft 333 is rotated anticlockwise through the rotating disc, so that one end of the long strip plate 334 rotates anticlockwise by taking the rotating shaft 333 as an axis, one end of the long strip plate 334, far away from the rotating shaft 333, tilts upwards, namely, a pressure is generated on the telescopic cover 336, one end of the long strip plate 334, facing the air dispersing head 337, is high-end, one end of the long strip plate 333 is low-end, and therefore the long strip plate has high and low potential, machining chips can slide down to enter the collecting box 32 conveniently, and finally fall into the large V-shaped groove 31b through an opening at the bottom of the collecting box 32.

The invention solves the problems that the worktable of the prior numerical control machine tool is provided with a long-strip groove, processing scraps generated by processing can fall into the groove, when cutting fluid with a little high viscosity is adopted to cool and lubricate a cutter and a workpiece, the processing scraps can be adhered in the groove, so that the processing scraps are inconvenient to clean, and the prior long-strip groove is a plane and is not beneficial to the flow of the cutting fluid, so that the accumulation or overflow of the cutting fluid can be caused. And the workbench is additionally provided with a steel ball, the nut pair is additionally provided with a pressure reduction pulley block, so that the pressure reduction can be realized for the screw rod, the pressure of the whole weight is avoided being exerted on the screw rod, and the phenomenon that the nut pair is clamped due to the fact that processing scraps and external dust impurities fall on the screw rod can be prevented through additionally arranging a dustproof belt.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary 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 description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

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), 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 two inner sides of the base (31) are respectively provided with a transmission device (316), the two groups of transmission devices (316) are connected through a first supporting roller (313), a double-curved rod (315) and a second supporting roller (317), the double bent rod (315) is positioned between the first supporting roller (313) and the second supporting roller (317), the 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 groups of air cylinders (311) which are parallel to each other are arranged between the two groups of transmission devices (316), the air cylinder (311) vertically penetrates through the first supporting roller (313), the air cylinder (311) is in seamless communication with the first supporting roller (313) through an L-shaped guide pipe (312), the first supporting roller (313) is in seamless connection with a double-crank rod (315) through a corrugated pipe (314), and the transmission device (316) is connected to the workbench (33).

2. The gantry type numerical control milling and drilling machine of claim 1, wherein: transmission (316) are including changeing roller (161), dustproof area (162), lead screw (163), connecting block (164), the nut is vice (165), support (166), decompression guide pulley group (167), threaded connection has vice (165) of nut on lead screw (163), the top surface of the vice (165) of nut is fixed with connecting block (164), and the bottom 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 backing roll (317) No. two, the two 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), change the equal swing joint of roller (161) and have support (166).

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

4. The gantry type numerical control milling and drilling machine of claim 1, wherein: workstation (33) is including the stage body (331), steel ball (332), pivot (333), rectangular board (334), recess (335), flexible cover (336), gas dispersing head (337), board (338) of loosing, set up recess (335) side by side on the stage body (331), recess (335) interference fit has rectangular board (334), rectangular board (334) one end is passed through flexible cover (336) and is connected with gas dispersing head (337), and the other end links in pivot (333), gas dispersing head (337) are fixed on board (338) of loosing, the air flue intercommunication of gas dispersing board (338) and stage body (331), the inside both sides at stage body (331) are established to this air flue, stage body (331) are located pivot (333) and gas dispersing board (338), stage body (331) bottom surface still equipartition have steel ball (332) with base (31) contact.