CN111633241A - Numerical control equipment that machining precision is high - Google Patents
Numerical control equipment that machining precision is high Download PDFInfo
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- CN111633241A CN111633241A CN202010467654.0A CN202010467654A CN111633241A CN 111633241 A CN111633241 A CN 111633241A CN 202010467654 A CN202010467654 A CN 202010467654A CN 111633241 A CN111633241 A CN 111633241A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
- B23Q11/0067—Devices for removing chips chip containers located under a machine or under a chip conveyor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/08—Protective coverings for parts of machine tools; Splash guards
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/088—Work-clamping means other than mechanically-actuated using vacuum means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention relates to a numerical control device with high processing precision, which comprises a bottom box, a control box and a drill rod, wherein the shape of the bottom box and the shape of the control box are both positioned in a cuboid, the control box is arranged above the bottom box and is fixedly connected with the bottom box, the drill rod is vertically arranged between the bottom box and the control box, a numerical control execution system is arranged in the control box, two clamping devices are arranged at the top of the bottom box and are circumferentially and uniformly distributed by taking the axis of the drill rod as the center, an auxiliary mechanism is arranged at the bottom of the control box, a stabilizing mechanism is arranged in the bottom box and comprises a rotating pipe, a rubber ring, a fixed pipe, a rotating assembly and three lifting assemblies, the stabilizing mechanism comprises an auxiliary pipe, a sucker, a movable disc, a reset assembly and two movable assemblies, and the numerical control device with high processing precision prevents scraps from splashing through the auxiliary mechanism, moreover, the stability of the drill hole is improved by the stabilizing mechanism.
Description
Technical Field
The invention relates to the field of precise numerical control equipment, in particular to numerical control equipment with high machining precision.
Background
The numerical control vertical drilling machine is one of precise numerical control devices, is developed on the basis of a common vertical drilling machine, can complete a plurality of procedures such as drilling, expanding, reaming, tapping and the like, and is suitable for medium and small batch production of parts with certain precision requirements on the distance between holes.
Present numerical control upright drill is at the in-process to plate-shaped work piece drilling, can produce a large amount of pieces that splash, piece temperature is higher moreover, easily cause the injury to the staff, the practicality has been reduced, moreover, along with the increase of plate-shaped work piece drilling depth, the piece clamp that produces during drilling is between pore wall and drilling rod, and through the piece respectively with pore wall and drilling rod between the frictional force, the rotation of drilling rod can make the work piece receive great moment of torsion effect through the piece, thereby easily make the work piece produce not hard up and influence the precision of drilling.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the numerical control equipment with high processing precision is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a numerical control device with high machining precision comprises a bottom box, a control box and a drill rod, wherein the shape of the bottom box and the shape of the control box are both positioned in a cuboid, the control box is arranged above the bottom box and is fixedly connected with the bottom box, the drill rod is vertically arranged between the bottom box and the control box, a numerical control execution system is arranged in the control box, two clamping devices are arranged at the top of the bottom box, the clamping devices are circumferentially and uniformly distributed by taking the axis of the drill rod as a center, an auxiliary mechanism is arranged at the bottom of the control box, and a stabilizing mechanism is arranged in the bottom box;
the auxiliary mechanism comprises a rotating pipe, a rubber ring, a fixed pipe, a rotating assembly and three lifting assemblies, wherein the rotating pipe, the rubber ring and the fixed pipe are all arranged coaxially with a drill rod, the bottom end of the fixed pipe is hermetically and fixedly connected with the top of the bottom box, the clamping device is arranged in the fixed pipe, the rotating pipe is arranged on one side, close to the control box, of the fixed pipe, a gap is formed between the drill rod and the inner wall of the rotating pipe, the drill rod is arranged in the rotating pipe, the rubber ring is arranged between the rotating pipe and the fixed pipe, the rubber ring is hermetically and fixedly connected with the bottom end of the rotating pipe, a gap is formed between the plane where the bottom of the rubber ring is located and the plane where the top end of the fixed pipe is located, the inner diameter of the rubber ring is larger than the diameter of the drill rod, two through holes are formed in the top of the bottom box, the through holes correspond to the, the bottom of the rubber ring is provided with at least two strip-shaped grooves, the strip-shaped grooves and the axis of the rotating pipe are uniformly distributed in the circumferential direction by taking the axis of the rotating pipe as the center, the three lifting assemblies are uniformly distributed in the circumferential direction by taking the axis of the rotating pipe as the center, the lifting assemblies drive the rotating pipe to move along the axial direction of the drill rod, and the rotating assemblies are in transmission connection with the rotating pipe;
the stabilizing mechanism comprises an auxiliary pipe, a sucker, a moving disc, a reset assembly and two moving assemblies, wherein the top of the bottom box is provided with a mounting hole, the auxiliary pipe and a drill rod are coaxially arranged, the auxiliary pipe penetrates through the mounting hole, the auxiliary pipe is in sliding and sealing connection with the inner wall of the mounting hole, the sucker is arranged at the top end of the auxiliary pipe and is positioned between the two clamp devices, the moving disc and the auxiliary pipe are coaxially arranged and are positioned in the auxiliary pipe, the moving disc is in sliding and sealing connection with the inner wall of the auxiliary pipe, the reset assembly is arranged in the auxiliary pipe and drives the moving disc to move towards the direction close to the sucker, and the moving assemblies are in one-to-one correspondence with the through holes;
the utility model discloses a water pump, including the movable assembly, remove the subassembly, the guide arm is parallel with the rotating tube, the top and the bottom in the under casing are fixed respectively to the both ends of guide arm, the floating block cover is established on the guide arm and is leaned on with the bottom in the under casing, be equipped with the clearance between the top in floating block and the under casing, the one end of connecting wire is fixed on the floating block, the other end of connecting wire is walked around the fixed pulley and is fixed in the bottom of moving the dish, the bottom in the under casing is fixed to the fixed pulley, one side of under casing is equipped with the relief hole, arrange the downthehole drain valve of installing of relief hole.
Preferably, in order to realize that the movable plate moves towards the direction close to the sucker, the reset assembly comprises a reset assembly, wherein the reset assembly comprises a support rod, a spring, a fixed block and a guide hole, the guide rod is arranged on the movable plate, the support rod and the auxiliary pipe are coaxially arranged and penetrate through the guide hole, the support rod and the inner wall of the guide hole are in sliding and sealing connection, the bottom end of the support rod is fixed on the inner wall of the auxiliary pipe through the fixed block, the spring is positioned between the movable plate and the fixed block, and the fixed block is connected with the movable plate through the spring.
Preferably, in order to facilitate the installation of the support rod, chamfers are arranged at both ends of the support rod.
Preferably, in order to drive the rotating pipe to lift, the lifting assembly comprises an air cylinder and a ball, an annular groove is formed in the rotating pipe, the center of the ball is arranged in the annular groove, the ball is matched with the annular groove and is in sliding connection with the inner wall of the annular groove, the diameter of the ball is larger than the width of a groove opening of the annular groove, a cylinder body of the air cylinder is fixed to the bottom of the control box, an air rod of the air cylinder is fixedly connected with the ball, and the air cylinder drives the ball to move along the axial direction of the rotating pipe.
Preferably, in order to realize the rotation of the rotating pipe, the rotating assembly comprises a driving motor, a driving gear and a driven gear, the driving motor is fixedly connected with the balls, the driving motor is in transmission connection with the driving gear, the driven gear is installed on the rotating pipe, and the driving gear is meshed with the driven gear.
Preferably, the drive motor is a servo motor in order to increase the drive force of the drive motor.
Preferably, in order to reduce a gap between the inner wall of the auxiliary tube and the moving plate, the inner wall of the auxiliary tube is coated with a sealing grease.
Preferably, in order to facilitate observation of the drilling state, the fixed pipe is made of transparent tempered glass.
Preferably, the guide bar is coated with grease in order to reduce friction between the float and the guide bar.
Preferably, in order to prolong the service life of the bottom box, the bottom box is provided with an anti-corrosion zinc coating.
The numerical control equipment with high processing precision has the advantages that the auxiliary mechanism prevents scraps from splashing, compared with the existing auxiliary mechanism, the auxiliary mechanism can enable cooling liquid to be uniformly contacted with a workpiece through the rotation of the rubber ring, so that the uniformity of workpiece cooling can be improved, in addition, the scraps can be driven to move into the bottom box through the flowing of the cooling liquid, the function of collecting the scraps is realized, in addition, the flowing speed of the cooling liquid can be improved under the action of centrifugal force, the efficiency of scrap collection can be further improved, the practicability is higher, not only is the drilling stability improved, but also the stability of drilling is improved through the stabilizing mechanism, compared with the existing stabilizing mechanism, the stabilizing mechanism adsorbs the workpiece through the sucker, the adsorption force of the sucker adsorbing the workpiece is in direct proportion to the drilling depth, the automatic adjustment function is realized, and the practicability is higher.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a high-precision numerical control apparatus according to the present invention;
FIG. 2 is a schematic structural diagram of a stabilizing mechanism of the numerical control equipment with high processing precision of the invention;
FIG. 3 is an enlarged view of portion B of FIG. 2;
FIG. 4 is an enlarged view of portion A of FIG. 1;
in the figure: 1. the automatic water supply device comprises a bottom box, a control box, a drill rod, a rotating pipe, a rubber ring, a fixed pipe, an auxiliary pipe, a sucker, a movable plate, a floating block, a guide rod, a fixed pulley, a connecting line, a water discharge valve, a supporting rod, a spring, a fixed block, a cylinder, a ball, a driving motor, a driving gear and a driven gear, wherein the control box comprises a bottom box, 2, a control box, 3, a drill rod, 4, a rotating pipe, 5, a rubber ring, 6, the fixed pipe, 7, the auxiliary pipe, 8, the sucker, 9, the.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, a numerical control device with high processing precision comprises a bottom case 1, a control box 2 and a drill rod 3, wherein the bottom case 1 and the control box 2 are both in a cuboid shape, the control box 2 is arranged above the bottom case 1 and is fixedly connected with the bottom case 1, the drill rod 3 is vertically arranged between the bottom case 1 and the control box 2, a numerical control execution system is arranged in the control box 2, two clamping devices are arranged at the top of the bottom case 1, the clamping devices are circumferentially and uniformly distributed by taking the axis of the drill rod 3 as a center, an auxiliary mechanism is arranged at the bottom of the control box 2, and a stabilizing mechanism is arranged in the bottom case 1;
the auxiliary mechanism comprises a rotating pipe 4, a rubber ring 5, a fixed pipe 6, a rotating assembly and three lifting assemblies, wherein the rotating pipe 4, the rubber ring 5 and the fixed pipe 6 are all arranged coaxially with a drill rod 3, the bottom end of the fixed pipe 6 is in sealed and fixed connection with the top of the bottom box 1, the clamping device is positioned in the fixed pipe 6, the rotating pipe 4 is positioned on one side, close to the control box 2, of the fixed pipe 6, the drill rod 3 is positioned in the rotating pipe 4 and is provided with a gap with the inner wall of the rotating pipe 4, the rubber ring 5 is positioned between the rotating pipe 4 and the fixed pipe 6, the rubber ring 5 is in sealed and fixed connection with the bottom end of the rotating pipe 4, a gap is arranged between the plane where the bottom of the rubber ring 5 is positioned and the plane where the top end of the fixed pipe 6 is positioned, the inner diameter of the rubber ring 5 is larger than the diameter of the drill rod 3, two through holes are formed, the through holes correspond to the clamping devices one by one, the bottom box 1 is communicated with the bottom end of the fixed pipe 6 through the through holes, at least two strip-shaped grooves are formed in the bottom of the rubber ring 5, the strip-shaped grooves and the axis of the rotating pipe 4 are circumferentially and uniformly distributed by taking the axis of the rotating pipe 4 as the center, the three lifting assemblies are circumferentially and uniformly distributed by taking the axis of the rotating pipe 4 as the center, the lifting assemblies drive the rotating pipe 4 to move along the axial direction of the drill rod 3, and the rotating assemblies are in transmission connection with the rotating pipe 4;
the plate-shaped workpiece is horizontally placed in a fixed pipe 6, the workpiece is fixed through a clamping device, then a drill rod 3 is rotated through a numerical control execution system and moves towards the direction close to the workpiece, drilling is realized, meanwhile, a rotating pipe 4 moves towards the direction close to a bottom box 1 through a lifting assembly, so that a rubber ring 5 is abutted against the workpiece, meanwhile, cooling liquid is input from the top end of the rotating pipe 4 through an external cooling liquid conveying device, the cooling liquid flows onto the workpiece from the bottom end of the rotating pipe 4, then moves towards the direction far away from the axis of the drill rod 3 from a strip-shaped groove, then drops to the top of the bottom box 1 from the workpiece and flows into the bottom box 1 from a through hole, in addition, during drilling, the rotating pipe 4 drives the rubber ring 5 to rotate through the rotating assembly, the cooling liquid flowing from the strip-shaped groove can be uniformly contacted with the workpiece through the rotation of the rubber ring 5, and then can improve the radiating degree of consistency of coolant liquid to the work piece, moreover, the piece that produces during the flow of coolant liquid drives drilling rod 3 removes, not only can prevent that the piece from producing to splash and hindering the people, moreover, in flowing into bottom case 1 through the coolant liquid, can make the piece carry to bottom case 1 in, played the function of collecting the piece, and, the rotation of rubber ring 5 makes the coolant liquid can improve the flow velocity under the effect of centrifugal force, and then can promote the efficiency that the piece was collected.
As shown in fig. 2, the stabilizing mechanism includes an auxiliary tube 7, a suction cup 8, a moving plate 9, a reset component and two moving components, a mounting hole is formed in the top of the bottom case 1, the auxiliary tube 7 is coaxially disposed with the drill rod 3, the auxiliary tube 7 passes through the mounting hole, the auxiliary tube 7 is slidably and hermetically connected with the inner wall of the mounting hole, the suction cup 8 is mounted at the top end of the auxiliary tube 7 and is located between the two clamp devices, the moving plate 9 is coaxially disposed with the auxiliary tube 7 and is located in the auxiliary tube 7, the moving plate 9 is slidably and hermetically connected with the inner wall of the auxiliary tube 7, the reset component is disposed in the auxiliary tube 7 and drives the moving plate 9 to move towards the direction close to the suction cup 8, and the moving components are in one-to-one correspondence with the through holes;
remove the subassembly and include kicking block 10, guide arm 11, fixed pulley 12 and connecting wire 13, guide arm 11 is parallel with rotating tube 4, top and bottom in under casing 1 are fixed respectively at the both ends of guide arm 11, kicking block 10 cover is established on guide arm 11 and is supported with the bottom in under casing 1 and lean on, be equipped with the clearance between the top in kicking block 10 and under casing 1, the one end of connecting wire 13 is fixed on kicking block 10, the other end of connecting wire 13 is walked around fixed pulley 12 and is fixed the bottom at removal dish 9, fixed pulley 12 fixes the bottom in under casing 1, one side of under casing 1 is equipped with the relief hole, arrange downthehole drain valve 14 of installing of relief hole.
When a plate-shaped workpiece is horizontally placed in the fixed pipe 6, the bottom of the workpiece is abutted against the suction cup 8, during drilling, along with the conveying of cooling liquid into the bottom box 1, the water level of the cooling liquid in the bottom box 1 is raised, the floating block 10 moves towards the direction close to the control box 2 under the action of buoyancy, the moving of the floating block 10 pulls the moving plate 9 to move towards the direction far from the suction cup 8 in the auxiliary pipe 7 through the connecting line 13, so that the air pressure in the suction cup 8 can be reduced, the suction cup 8 can adsorb the workpiece under the action of the air pressure, moreover, the deeper the drilling depth is, the more cooling liquid is needed, namely the more cooling liquid flows into the bottom box 1, the higher the water level of the cooling liquid in the bottom box 1 is, the greater the distance that the floating block 10 moves towards the direction close to the control box 2 is, namely the greater the distance that the moving plate 9 moves towards the direction far from the suction cup 8 is, the greater, adsorb the work piece through sucking disc 8 and can improve the fixed stability of work piece, prevent that the work piece from producing the displacement during drilling and influencing the drilling precision, after the drilling finishes, discharge the coolant liquid in the under casing 1 through drain valve 14, at this moment, remove dish 9 and move towards being close to 8 directions of sucking disc through reset assembly, make the atmospheric pressure of sucking disc 8 increase, the work piece of being convenient for separates with sucking disc 8 and moves away from clamping device.
As shown in fig. 3, the reset assembly includes a reset assembly including a support rod 15, a spring 16, a fixed block 17 and a guide hole, the guide rod 11 is disposed on the moving plate 9, the support rod 15 is disposed coaxially with the auxiliary tube 7 and passes through the guide hole, the support rod 15 is slidably and hermetically connected with an inner wall of the guide hole, a bottom end of the support rod 15 is fixed on an inner wall of the auxiliary tube 7 through the fixed block 17, the spring 16 is disposed between the moving plate 9 and the fixed block 17, and the fixed block 17 is connected with the moving plate 9 through the spring 16.
When the moving plate 9 moves on the support rod 15 in a direction away from the suction cup 8, the spring 16 is compressed, and when the level of the cooling liquid in the bottom case 1 is lowered, the moving plate 9 is restored by the elastic action of the spring 16.
Preferably, in order to facilitate the installation of the support rod 15, both ends of the support rod 15 are provided with chamfers.
The chamfer angle is used for reducing the caliber of the support rod 15 when the support rod passes through the guide hole, and the effect of convenient installation is achieved.
As shown in fig. 4, the lifting assembly includes a cylinder 18 and a ball 19, the rotating tube 4 is provided with an annular groove, the center of the ball 19 is disposed in the annular groove, the ball 19 is matched with the annular groove and slidably connected with the inner wall of the annular groove, the diameter of the ball 19 is greater than the width of the notch of the annular groove, the cylinder body of the cylinder 18 is fixed at the bottom of the control box 2, the air rod of the cylinder 18 is fixedly connected with the ball 19, and the cylinder 18 drives the ball 19 to move along the axial direction of the rotating tube 4.
Start through cylinder 18, make ball 19 drive rotating tube 4 along the axial displacement of axis of rotation to, during rotating tube 4 rotates, through the cooperation between ball 19 and the ring channel, played and supported rotating tube 4 pivoted effect, moreover, set up ball 19's quantity into three, through the stable principle of triangle-shaped, can improve rotating tube 4 pivoted stability.
Preferably, in order to realize the rotation of the rotating tube 4, the rotating assembly comprises a driving motor 20, a driving gear 21 and a driven gear 22, the driving motor 20 is fixedly connected with the balls 19, the driving motor 20 is in transmission connection with the driving gear 21, the driven gear 22 is installed on the rotating tube 4, and the driving gear 21 is meshed with the driven gear 22.
The driving motor 20 is started to rotate the driving gear 21, the rotation of the driving gear 21 drives the driven gear 22 to rotate, and the rotation of the driven gear 22 drives the rotation tube 4 to rotate.
Preferably, the driving motor 20 is a servo motor in order to increase the driving force of the driving motor 20.
The servo motor has a characteristic of strong overload capability, so that the driving force of the driving motor 20 can be improved.
Preferably, in order to reduce the gap between the inner wall of the auxiliary tube 7 and the moving plate 9, the inner wall of the auxiliary tube 7 is coated with a sealing grease.
The sealing grease has the function of reducing the gap between the inner wall of the auxiliary tube 7 and the movable plate 9, and the sealing performance is improved.
Preferably, the fixing tube 6 is made of transparent tempered glass for observing the drilling state.
The transparent toughened glass has good perspective, so that the drilling state can be observed conveniently.
Preferably, in order to reduce the friction between the float 10 and the guide rod 11, the guide rod 11 is coated with grease.
The lubricating grease has the function of reducing the friction force between the floating block 10 and the guide rod 11, and the moving fluency of the floating block 10 is improved.
Preferably, in order to prolong the service life of the bottom case 1, an anti-corrosion zinc coating is arranged on the bottom case 1.
The function of anticorrosive zinc coating is to promote the rust-resistant ability of under casing 1, has prolonged the life of under casing 1.
When a plate-shaped workpiece is horizontally placed in a fixed pipe 6, the bottom of the workpiece is abutted against a suction disc 8, the workpiece is fixed through a clamping device, then a drill rod 3 is rotated through a numerical control execution system and moves towards the direction close to the workpiece, drilling is realized, meanwhile, a cylinder 18 is started, a ball 19 drives a rotating pipe 4 to move towards the direction close to a bottom box 1, so that a rubber ring 5 is abutted against the workpiece, meanwhile, cooling liquid is input from the top end of the rotating pipe 4 through an external cooling liquid conveying device, the cooling liquid flows onto the workpiece from the bottom end of the rotating pipe 4, then the cooling liquid moves towards the direction far away from the axis of the drill rod 3 from a strip-shaped groove, then the cooling liquid drops to the top of the bottom box 1 from a workpiece and flows into the bottom box 1 from a through hole, in addition, during drilling, the driving motor 20 is started, so that a driving gear 21 rotates, the driven gear 22 is driven by the rotation of the driving, the rotation of the driven gear 22 drives the rotating pipe 4 to rotate, the effect of supporting the rotation of the rotating pipe 4 is achieved through the matching between the ball 19 and the annular groove, the rotation of the rotating pipe 4 drives the rubber ring 5 to rotate, the cooling liquid flowing from the strip-shaped groove can be uniformly contacted with the workpiece through the rotation of the rubber ring 5, the uniformity of the heat dissipation of the cooling liquid to the workpiece can be further improved, in addition, the fragments generated in the period that the drilling rod 3 is driven by the flowing of the cooling liquid move, the fragments can be prevented from splashing to hurt people, in addition, the fragments can be conveyed into the bottom box 1 through the flowing of the cooling liquid, the function of collecting the fragments is achieved, in addition, the flowing speed of the cooling liquid can be improved under the action of centrifugal force through the rotation of the rubber ring 5, the efficiency of collecting the fragments can be further improved, in the drilling period, the water level of the cooling liquid in the bottom box 1 is increased along with the conveying of the, the floating block 10 is moved towards the direction close to the control box 2 under the action of buoyancy, the moving of the floating block 10 pulls the moving plate 9 to move towards the direction far away from the sucker 8 in the auxiliary pipe 7 through the connecting line 13, so that the air pressure in the sucker 8 can be reduced, the sucker 8 can adsorb a workpiece under the action of the air pressure, the moving of the moving plate 9 on the supporting rod 15 can compress the spring 16, the deeper the drilling depth is, the more cooling liquid is needed, namely, the more cooling liquid flows into the bottom box 1, the higher the water level of the cooling liquid in the bottom box 1 is, the larger the moving distance of the floating block 10 towards the control box 2 is, namely, the larger the moving distance of the moving plate 9 towards the direction far away from the sucker 8 is, the larger the adsorption force of the sucker 8 for absorbing the workpiece is, the workpiece is adsorbed by the sucker 8, the stability of fixing of the workpiece can be improved, and the drilling precision of the workpiece, after drilling, the cooling liquid in the bottom box 1 is discharged through the water discharge valve 14, and at the moment, the movable plate 9 moves towards the direction close to the suction cup 8 through the elastic action of the spring 16, so that the air pressure of the suction cup 8 is increased, and the workpiece is conveniently separated from the suction cup 8 and is moved away from the clamping device.
Compared with the prior art, this numerical control equipment that machining precision is high prevents through complementary unit that the piece from splashing, compare with current complementary unit, this complementary unit passes through the rotation of rubber ring 5, can make the even and work piece contact of coolant liquid, thereby can improve the refrigerated degree of consistency of work piece, and, flow through the coolant liquid can drive the piece and remove to the under casing 1 in realized collecting clastic function, and, the coolant liquid can improve the flow velocity under the effect of centrifugal force, and then can promote the efficiency that the piece was collected, the practicality is stronger, moreover, still improve the stability of drilling through stabilizing mean, compare with current stabilizing mean, this stabilizing mean passes through 8 absorption work pieces of sucking disc, and the adsorption affinity of 8 absorption work pieces of sucking disc is directly proportional with the drilling depth, automatic regulation's function has been realized, the practicality is stronger.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The numerical control equipment with high machining precision comprises a bottom box (1), a control box (2) and a drill rod (3), wherein the shape of the bottom box (1) and the shape of the control box (2) are both located in a cuboid, the control box (2) is arranged above the bottom box (1) and is fixedly connected with the bottom box (1), the drill rod (3) is vertically arranged between the bottom box (1) and the control box (2), a numerical control execution system is arranged in the control box (2), two clamping devices are arranged at the top of the bottom box (1), and are circumferentially and uniformly distributed by taking the axis of the drill rod (3) as a center, and the numerical control equipment is characterized in that an auxiliary mechanism is arranged at the bottom of the control box (2), and a stabilizing mechanism is arranged in the bottom box (1);
the auxiliary mechanism comprises a rotating pipe (4), a rubber ring (5), a fixed pipe (6), a rotating assembly and three lifting assemblies, wherein the rotating pipe (4), the rubber ring (5) and the fixed pipe (6) are coaxially arranged with the drill rod (3), the bottom end of the fixed pipe (6) is hermetically and fixedly connected with the top of the bottom box (1), the clamping device is positioned in the fixed pipe (6), the rotating pipe (4) is positioned on one side, close to the control box (2), of the fixed pipe (6), the drill rod (3) is positioned in the rotating pipe (4) and is provided with a gap with the inner wall of the rotating pipe (4), the rubber ring (5) is positioned between the rotating pipe (4) and the fixed pipe (6), the rubber ring (5) is hermetically and fixedly connected with the bottom end of the rotating pipe (4), a gap is arranged between the plane where the bottom of the rubber ring (5) is positioned and the plane where the top end of the fixed pipe (6) is positioned, the inner diameter of the rubber ring (5) is larger than the diameter of the drill rod (3), two through holes are formed in the top of the bottom box (1), the through holes correspond to the clamping devices one by one, the bottom box (1) is communicated with the bottom end of the fixed pipe (6) through the through holes, at least two strip-shaped grooves are formed in the bottom of the rubber ring (5), the strip-shaped grooves and the axis of the rotating pipe (4) are uniformly distributed in the circumferential direction, the three lifting assemblies are uniformly distributed in the circumferential direction by taking the axis of the rotating pipe (4) as the center, the lifting assemblies drive the rotating pipe (4) to move in the axial direction of the drill rod (3), and the rotating assemblies are in transmission connection with the rotating pipe (4);
the stabilizing mechanism comprises an auxiliary pipe (7), a sucker (8), a moving disc (9), a reset assembly and two moving assemblies, wherein a mounting hole is formed in the top of the bottom box (1), the auxiliary pipe (7) and the drill rod (3) are coaxially arranged, the auxiliary pipe (7) penetrates through the mounting hole, the auxiliary pipe (7) is in sliding and sealing connection with the inner wall of the mounting hole, the sucker (8) is installed at the top end of the auxiliary pipe (7) and located between the two clamp devices, the moving disc (9) and the auxiliary pipe (7) are coaxially arranged and located in the auxiliary pipe (7), the moving disc (9) is in sliding and sealing connection with the inner wall of the auxiliary pipe (7), the reset assembly is arranged in the auxiliary pipe (7) and drives the moving disc (9) to move towards the direction close to the sucker (8), and the moving assemblies are in one-to-one correspondence with the through holes;
the movable assembly comprises a floating block (10), a guide rod (11), a fixed pulley (12) and a connecting wire (13), the guide rod (11) is parallel to the rotating pipe (4), the top and the bottom of the guide rod (11) are fixed at the two ends of the guide rod (11) in the bottom box (1) respectively, the floating block (10) is sleeved on the guide rod (11) and abutted against the bottom of the bottom box (1), a gap is arranged between the top of the floating block (10) and the top of the bottom box (1), one end of the connecting wire (13) is fixed on the floating block (10), the other end of the connecting wire (13) bypasses the fixed pulley (12) to be fixed at the bottom of the movable plate (9), the bottom of the fixed pulley (12) in the bottom box (1) is fixed, one side of the bottom box (1) is provided with a discharge hole, and a drain valve (14) is installed.
2. The numerical control equipment with high processing precision as claimed in claim 1, wherein the reset assembly comprises a reset assembly comprising a support rod (15), a spring (16), a fixed block (17) and a guide hole, the guide rod (11) is arranged on the moving disk (9), the support rod (15) is coaxially arranged with the auxiliary pipe (7) and passes through the guide hole, the support rod (15) is connected with the inner wall of the guide hole in a sliding and sealing manner, the bottom end of the support rod (15) is fixed on the inner wall of the auxiliary pipe (7) through the fixed block (17), the spring (16) is positioned between the moving disk (9) and the fixed block (17), and the fixed block (17) is connected with the moving disk (9) through the spring (16).
3. The numerical control equipment with high processing precision as claimed in claim 2, characterized in that both ends of the support rod (15) are provided with chamfers.
4. The numerical control equipment with high processing precision as claimed in claim 1, wherein the lifting assembly comprises a cylinder (18) and a ball (19), the rotating pipe (4) is provided with an annular groove, the center of the ball (19) is arranged in the annular groove, the ball (19) is matched with the annular groove and is in sliding connection with the inner wall of the annular groove, the spherical diameter of the ball (19) is larger than the width of the notch of the annular groove, the cylinder body of the cylinder (18) is fixed at the bottom of the control box (2), the air rod of the cylinder (18) is fixedly connected with the ball (19), and the cylinder (18) drives the ball (19) to move along the axial direction of the rotating pipe (4).
5. The numerical control equipment with high processing precision as claimed in claim 4, wherein the rotating assembly comprises a driving motor (20), a driving gear (21) and a driven gear (22), the driving motor (20) is fixedly connected with the ball (19), the driving motor (20) is in transmission connection with the driving gear (21), the driven gear (22) is installed on the rotating pipe (4), and the driving gear (21) is meshed with the driven gear (22).
6. The numerical control apparatus with high processing accuracy according to claim 5, wherein the driving motor (20) is a servo motor.
7. The numerical control equipment with high processing precision according to claim 1, characterized in that the inner wall of the auxiliary tube (7) is coated with sealing grease.
8. The numerical control equipment with high processing precision as set forth in claim 1, characterized in that the fixed tube (6) is made of transparent tempered glass.
9. The numerical control apparatus with high processing accuracy according to claim 1, wherein the guide bar (11) is coated with grease.
10. The numerical control equipment with high processing precision according to claim 1, characterized in that an anti-corrosion zinc coating is arranged on the bottom box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010467654.0A CN111633241A (en) | 2020-05-28 | 2020-05-28 | Numerical control equipment that machining precision is high |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010467654.0A CN111633241A (en) | 2020-05-28 | 2020-05-28 | Numerical control equipment that machining precision is high |
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| Publication Number | Publication Date |
|---|---|
| CN111633241A true CN111633241A (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010467654.0A Withdrawn CN111633241A (en) | 2020-05-28 | 2020-05-28 | Numerical control equipment that machining precision is high |
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| Country | Link |
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| CN (1) | CN111633241A (en) |
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| CN112475057A (en) * | 2020-11-09 | 2021-03-12 | 浙江共创机械设备有限公司 | Protection device with splash-proof mechanism for metal plate flanging |
| CN113601615A (en) * | 2021-07-26 | 2021-11-05 | 广州其成家具有限公司 | High-precision furniture production equipment |
| CN114670101A (en) * | 2022-04-07 | 2022-06-28 | 李惠 | Carving equipment based on manual art and using method |
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| CN114670101A (en) * | 2022-04-07 | 2022-06-28 | 李惠 | Carving equipment based on manual art and using method |
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