CN113752044A - High-precision numerical control milling machine - Google Patents
High-precision numerical control milling machine Download PDFInfo
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- CN113752044A CN113752044A CN202110931959.7A CN202110931959A CN113752044A CN 113752044 A CN113752044 A CN 113752044A CN 202110931959 A CN202110931959 A CN 202110931959A CN 113752044 A CN113752044 A CN 113752044A
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- workbench
- servo motor
- adjusting mechanism
- electromagnet
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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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
- B23Q1/46—Movable or adjustable work or tool supports using particular mechanisms with screw pairs
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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
- B23Q3/15—Devices for holding work using magnetic or electric force acting directly on the work
- B23Q3/154—Stationary devices
- B23Q3/1543—Stationary devices using electromagnets
Abstract
The invention discloses a high-precision numerical control milling machine which comprises a base, an upright post, a milling head and a workbench, wherein a longitudinal adjusting mechanism and a transverse adjusting mechanism which drive the workbench to move horizontally are installed on the top wall of the base, the longitudinal adjusting mechanism is fixedly installed on the top wall of the base, the transverse adjusting mechanism is slidably installed at the top end of the longitudinal adjusting mechanism, the workbench is slidably installed at the top end of the transverse adjusting mechanism, the longitudinal adjusting mechanism and the transverse adjusting mechanism respectively comprise two symmetrically arranged fixed plates, and a threaded rod is installed between the two fixed plates in a rotating mode. According to the numerical control milling machine, after the workbench is moved to the machining position, the workbench is fixed by the locking force of threaded engagement, the positioning mechanism is additionally arranged to fix and position the workbench, and the stability of the workbench in fixing is improved, so that the workpiece and the workbench are prevented from being driven to be shifted together when a cutter is used for machining the workpiece on the workbench, and the machining precision of the numerical control milling machine is improved.
Description
Technical Field
The invention relates to the technical field of numerical control milling machines, in particular to a high-precision numerical control milling machine.
Background
The numerical control milling machine is a milling machine controlled by an electronic counter digitalized signal, various problems influencing the processing precision can occur in the working process of the numerical control milling machine, including reverse clearance errors, thread pitch errors and repeated positioning precision errors, and the accumulated errors can cause huge challenges to the processing precision of the numerical control milling machine and become a key for improving and maintaining the high-precision processing effect of the numerical control milling machine.
Through retrieval, the Chinese patent No. CN111266634B discloses a high-precision numerically controlled milling machine, which comprises a base, an upright post, a saddle, a workbench and a controller; one side of the base is provided with an upright post, and a milling head is arranged on the upright post; be equipped with fixed saddle on the base, be equipped with the workstation on the saddle, the removal of controller through saddle control workstation.
Although the high-precision numerical control milling machine can reduce the influence of the screw pitch error when the nut is driven on the screw rod in a two-way manner, and reduce the generation amount of reverse clearance and the influence on the repositioning precision, the high-precision numerical control milling machine still has the following defects: the workbench is fixed only by locking force of threaded engagement after moving to a machining position, and the workbench is poor in fixing stability, so that a cutter can easily drive a workpiece and the workbench to shift together when machining the workpiece on the workbench, and the machining precision of the numerical control milling machine is poor.
Therefore, a high-precision numerically controlled milling machine is provided.
Disclosure of Invention
The invention aims to provide a high-precision numerically controlled milling machine, which solves the problems in the background technology by adding a positioning mechanism to fix and position a workbench.
In order to achieve the purpose, the invention provides the following technical scheme:
a high-precision numerical control milling machine comprises a base, a stand column, a milling head and a workbench, wherein a vertical adjusting mechanism and a transverse adjusting mechanism for driving the workbench to move horizontally are installed on the top wall of the base, the vertical adjusting mechanism is fixedly installed on the top wall of the base, the transverse adjusting mechanism is slidably installed at the top end of the vertical adjusting mechanism, the workbench is slidably installed at the top end of the transverse adjusting mechanism, the vertical adjusting mechanism and the transverse adjusting mechanism respectively comprise two fixing plates which are symmetrically arranged, a threaded rod is installed between the two fixing plates in a rotating mode, a servo motor for driving the threaded rod to rotate is installed at one end of one fixing plate, a transmission plate is in threaded connection with the threaded rod, two guide posts penetrating through the transmission plate are symmetrically installed between the two fixing plates, and two positioning plates matched with the transmission plate are symmetrically and movably installed between the two fixing plates, two the locating plate is located the both sides of driving plate respectively, and servo motor outage when driving plate and arbitrary locating plate contact, install positioning mechanism in the driving plate, be equipped with drive assembly between servo motor and the positioning mechanism, positioning mechanism fixes the driving plate when and servo motor outage, two be equipped with the position control subassembly that the drive locating plate removed between the fixed plate.
When the longitudinal adjusting mechanism is used, the positioning plate is moved to a proper position and fixed by the aid of the position adjusting assembly, the servo motor can drive the threaded rod to rotate periodically after being electrified, the threaded rod and the transmission plate are meshed with each other in a threaded manner, so that the transmission plate and the transverse adjusting mechanism can be driven to move longitudinally and reciprocally after the threaded rod rotates periodically, the servo motor starts to be powered off after the transmission plate moves to be in contact with the positioning plate, the threaded rod stops rotating and the transmission plate and the transverse adjusting mechanism stop moving at the moment, and the positioning mechanism can fix the transmission plate and the transverse adjusting mechanism in time after the servo motor is powered off, and not only in the same way, but also the transmission plate and the workbench at the top end can be moved to the proper position and fixed by the transverse adjusting mechanism, the workbench at the top end can be conveniently moved to a processing position and fixed by the locking force of threaded engagement after the workbench is moved to the processing position, the positioning mechanism is additionally arranged to fix and position the workbench, and the stability of the workbench in fixing is improved, so that the condition that the cutter drives the workpiece and the workbench to shift together when processing the workpiece on the workbench can be prevented, and the processing precision of the numerical control milling machine is improved.
Preferably, the servo motor is electrically connected with a knife switch, a first electromagnet is installed on one side of the knife switch, a connecting anode electrically connected with the first electromagnet is installed on one side of the positioning plate close to the transmission plate, and connecting cathodes mutually matched with the connecting anode are installed on two sides of the transmission plate.
The positive pole of being connected on the locating plate and the locating plate switch on the negative pole of being connected on the locating plate when driving plate and locating plate contact, first electro-magnet circular telegram this moment and inhale the one end to first electro-magnet tightly, the switch blade removes the closed circuit disconnection that will be connected with servo motor behind the one end that is close to first electro-magnet, can in time self-closing servo motor after the driving plate removes to suitable position, and not only convenient operation, swiftly, but also promoted the accuracy of driving plate and workstation location, thereby numerical control milling machine's machining precision has been promoted.
Preferably, positioning mechanism is including installing the second electro-magnet in the driving plate, two the guide post is the rectangular pole, and the second electro-magnet is located between two guide posts, symmetrical elastic mounting has two tight iron plates of clamp who mutually supports with the guide post in the driving plate, and two tight iron plates of clamp are located one side of two guide posts respectively, two movable chutes that mutually support with the tight iron plate of clamp have been seted up to the symmetry in the driving plate, two all install first skid resistant plate on the lateral wall that the tight iron plate of clamp is close to guide post one side, two all install the second skid resistant plate of mutually supporting with first skid resistant plate on the lateral wall that the guide post is close to tight iron plate one side of clamp.
The both ends to the second electro-magnet can be inhaled tightly respectively with two tight iron plate of clamp after the second electro-magnet circular telegram, the first anti-skidding backing plate on the tight iron plate of clamp can paste tightly on the second anti-skidding backing plate of guide post one side this moment, and two guide posts also all can inhale tightly at the both ends of second electro-magnet after the second electro-magnet circular telegram, thereby can be with first anti-skidding backing plate, the tight iron plate of clamp, second electro-magnet and driving plate fixed connection are at the second anti-skidding backing plate, guide post and fixed plate, thereby can be fixed driving plate and workstation, avoid only fixing the workstation by the locking force of screw-thread engagement, the fixed stability of workstation has been promoted, consequently, can prevent that the cutter from driving work piece and workstation together to take place the offset when processing the work piece on the workstation, thereby numerical control milling machine's machining precision has been promoted.
Preferably, the transmission assembly comprises a third electromagnet electrically connected to the servo motor, a rotating rod is rotatably mounted at the top end of the third electromagnet, a first connecting end electrically connected with the second electromagnet is arranged at the top end of the rotating rod, a second connecting end mutually matched with the first connecting end is mounted at one end of the rotating rod, and a reset spring is connected at one end of the rotating rod, which is far away from the second connecting end.
Third electro-magnet circular telegram and can attract bull stick and the second link on top to rotate downwards when servo motor circular telegram, second electro-magnet outage and positioning mechanism remove the fixed to the driving plate after the second link rotates downwards, thereby be convenient for servo motor drive threaded rod drives the driving plate and remove, reset spring can stimulate bull stick and second link and upwards rotate and be connected to the bottom of first link with the second link after the servo motor outage, second electro-magnet circular telegram and positioning mechanism are fixed the driving plate this moment, positioning mechanism can be fixed the driving plate in time automatically after the servo motor outage, need not the manual work and adjust, degree of automation is high and reduced artificial intensity of labour, excellent in use effect.
Preferably, the position control subassembly includes that the symmetry rotates two lead screws of installing between two fixed plates, two the lead screw runs through two locating plate settings respectively, and two locating plates respectively with two lead screw thread engagement, two step motor is all installed to the one end that the lead screw is close to servo motor, two install two guide bars that run through two locating plate settings respectively between the fixed plate, two impartial distance is equipped with the scale mark on the guide bar.
The lead screw and locating plate threaded engagement, consequently just can drive locating plate horizontal direction reciprocating motion through system control step motor and lead screw, consequently can be convenient remove the locating plate and fix the locating plate, observe the scale mark on the guide bar and can conveniently observe the locating plate and remove to suitable position, consequently can be convenient remove the locating plate to assigned position and fixed, convenient operation, swift to the convenience that position control subassembly and numerically controlled fraise machine used has been promoted.
Preferably, the distance between the transmission plate at the top end and the transmission plate at the bottom end and the workbench at the top end is not less than 30 cm.
The distance between the transmission plate on top and the transmission plate of bottom and the workstation on top is great, consequently is convenient for observe the specific position of scale mark and locating plate on the guide bar directly perceivedly, has further strengthened the convenience of locating plate position control to the convenience that position control subassembly and numerically controlled fraise machine used has further been promoted.
Compared with the prior art, the invention has the beneficial effects that:
1. the workbench is not only fixed by the locking force of threaded engagement after being moved to a machining position, but also fixed and positioned by the positioning mechanism, so that the stability of the workbench in fixation is improved, and the situation that the cutter drives the workpiece and the workbench to shift together when machining the workpiece on the workbench can be prevented, thereby improving the machining precision of the numerical control milling machine.
2. The transmission plate moves to be in contact with the positioning plate, and then the servo motor can be automatically closed in time, so that the operation is convenient and rapid, the positioning accuracy of the transmission plate and the workbench is improved, and the machining precision of the numerical control milling machine is further improved.
3. After the servo motor is powered off, the positioning mechanism can automatically fix the transmission plate in time without manual adjustment, the automation degree is high, the labor intensity of workers is reduced, and the using effect is good.
4. The positioning plate can be conveniently moved to a designated position and fixed, and is convenient and quick to operate, so that the convenience of the position adjusting assembly and the use of the numerical control milling machine is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of the table portion of the present invention;
FIG. 3 is a top view of portions of the longitudinal adjustment mechanism and the lateral adjustment mechanism of the present invention;
FIG. 4 is a cross-sectional view of the tip portion structure of the longitudinal adjustment mechanism and the lateral adjustment mechanism of the present invention;
FIG. 5 is a cross-sectional view showing the structure of the bottom end portions of the longitudinal adjustment mechanism and the lateral adjustment mechanism of the present invention;
FIG. 6 is a schematic view of the connection of the electromagnet portion of the present invention;
fig. 7 is a schematic structural view of a positioning mechanism portion of the present invention.
In the figure: 1. a base; 2. a column; 3. a milling head; 4. a work table; 5. a fixing plate; 6. a threaded rod; 7. a servo motor; 8. a drive plate; 9. a guide post; 10. positioning a plate; 11. a knife switch; 12. a first electromagnet; 13. a second electromagnet; 14. clamping the iron block; 15. a movable groove; 16. a first anti-skid shim plate; 17. a second anti-skid shim plate; 18. a third electromagnet; 19. a rotating rod; 20. a first connection end; 21. a second connection end; 22. a return spring; 23. a screw rod; 24. a stepping motor; 25. a guide bar; 26. scale lines are marked.
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.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 7, the present invention provides a high precision numerically controlled milling machine, which has the following technical scheme:
a high-precision numerical control milling machine comprises a base 1, a stand column 2, a milling head 3 and a workbench 4, wherein a longitudinal adjusting mechanism and a transverse adjusting mechanism which drive the workbench 4 to move horizontally are installed on the top wall of the base 1, the longitudinal adjusting mechanism is fixedly installed on the top wall of the base 1, the transverse adjusting mechanism is slidably installed at the top end of the longitudinal adjusting mechanism, the workbench 4 is slidably installed at the top end of the transverse adjusting mechanism, the longitudinal adjusting mechanism and the transverse adjusting mechanism respectively comprise two fixing plates 5 which are symmetrically arranged, a threaded rod 6 is jointly and rotatably installed between the two fixing plates 5, one end of one fixing plate 5 is provided with a servo motor 7 which drives the threaded rod 6 to rotate, the threaded rod 6 is in threaded connection with a transmission plate 8, two guide posts 9 which penetrate through the transmission plate 8 are symmetrically installed between the two fixing plates 5, and two positioning plates 10 which are mutually matched with the transmission plate 8 are symmetrically and movably installed between the two fixing plates 5, two locating plates 10 are located the both sides of driving plate 8 respectively, and servo motor 7 outage when driving plate 8 contacts with arbitrary locating plate 10, installs positioning mechanism in the driving plate 8, is equipped with drive assembly between servo motor 7 and the positioning mechanism, and positioning mechanism fixes driving plate 8 when servo motor 7 outage, is equipped with the position control subassembly that drive locating plate 10 removed between two fixed plates 5.
When the longitudinal adjusting mechanism is used, the positioning plate 10 is moved to a proper position and fixed by the aid of the position adjusting component, the servo motor 7 can drive the threaded rod 6 to rotate periodically after being electrified, the threaded rod 6 is in threaded engagement with the transmission plate 8, so that the transmission plate 8 and the transverse adjusting mechanism can be driven to move longitudinally and reciprocally by the periodic rotation of the threaded rod 6, the servo motor 7 starts to power off after the transmission plate 8 is moved to be in contact with the positioning plate 10, the threaded rod 6 stops rotating and the transmission plate 8 and the transverse adjusting mechanism stop moving at the moment, and the transmission plate 8 and the transverse adjusting mechanism can be fixed by the positioning mechanism after the servo motor 7 is powered off in time, similarly, the transmission plate 8 and the workbench 4 at the top end can be moved to a proper position and fixed by the transverse adjusting mechanism, and the workbench 4 at the top end can be conveniently moved to a processing position and fixed by the mutual cooperation of the longitudinal adjusting mechanism and the transverse adjusting mechanism, the workbench 4 is not only fixed to the workbench 4 by the locking force of threaded engagement after being moved to the machining position, but also the positioning mechanism is additionally arranged to fix and position the workbench 4, so that the stability of fixing the workbench 4 is improved, and therefore, the situation that the cutter drives the workpiece and the workbench 4 to shift together when machining the workpiece on the workbench 4 can be prevented, and the machining precision of the numerical control milling machine is improved.
Referring to fig. 3 and 6, a knife switch 11 is electrically connected to the servo motor 7, a first electromagnet 12 is installed on one side of the knife switch 11, connection anodes electrically connected to the first electromagnet 12 are installed on both sides of the two positioning plates 10 close to the driving plate 8, and connection cathodes mutually matched with the connection anodes are installed on both sides of the driving plate 8.
The anodal negative pole switch-on of being connected on locating plate 10 and the locating plate 8 when the contact of locating plate 8 and locating plate 10, first electro-magnet 12 circular telegram this moment and inhale tight one end to first electro-magnet 12 with plug-in strip 11, the closed circuit disconnection that will be connected with servo motor 7 after plug-in strip 11 removes the one end that is close to first electro-magnet 12, can in time self-closing servo motor 7 after the locating plate 8 removes to suitable position, and not only convenient operation, it is swift, and the accuracy of locating plate 8 and workstation 4 has been promoted, thereby numerical control milling machine's machining precision has been promoted.
As an embodiment of the invention, referring to fig. 3, 6 and 7, the positioning mechanism includes a second electromagnet 13 installed in the transmission plate 8, the two guide posts 9 are both rectangular rods, the second electromagnet 13 is located between the two guide posts 9, two clamping iron blocks 14 mutually matched with the guide posts 9 are symmetrically and elastically installed in the transmission plate 8, the two clamping iron blocks 14 are respectively located at one side of the two guide posts 9, two movable grooves 15 mutually matched with the clamping iron blocks 14 are symmetrically formed in the transmission plate 8, first anti-skid base plates 16 are installed on the outer side walls of the two clamping iron blocks 14 close to one side of the guide posts 9, and second anti-skid base plates 17 mutually matched with the first anti-skid base plates 16 are installed on the outer side walls of the two guide posts 9 close to one side of the clamping iron blocks 14.
After the second electromagnet 13 is electrified, the two clamping iron blocks 14 can be respectively sucked to the two ends of the second electromagnet 13, at this time, the first anti-skid pad plate 16 on the clamping iron block 14 can be attached to the second anti-skid pad plate 17 on one side of the guide post 9, and after the second electromagnet 13 is electrified, the two guide posts 9 are also tightly sucked at the two ends of the second electromagnet 13, so that the first anti-skid pad plate 16, the clamping iron block 14, the second electromagnet 13 and the transmission plate 8 can be fixedly connected on the second anti-skid pad plate 17, the guide posts 9 and the fixed plate 5, thereby fixing the transmission plate 8 and the workbench 4, avoiding the fixation of the workbench 4 only by the locking force of thread engagement, improving the stability of the fixation of the workbench 4, therefore, the workpiece on the workbench 4 can be prevented from being driven to shift together with the workbench 4 when being processed by the cutter, and the processing precision of the numerical control milling machine is improved.
Referring to fig. 6, as an embodiment of the present invention, the transmission assembly includes a third electromagnet 18 electrically connected to the servo motor 7, a rotating rod 19 is rotatably mounted at a top end of the third electromagnet 18, a first connecting end 20 electrically connected to the second electromagnet 13 is disposed at a top end of the rotating rod 19, a second connecting end 21 mutually engaged with the first connecting end 20 is mounted at one end of the rotating rod 19, and a return spring 22 is connected to one end of the rotating rod 19 away from the second connecting end 21.
When the servo motor 7 is powered on, the third electromagnet 18 is powered on and can attract the rotating rod 19 and the second connecting end 21 at the top end to rotate downwards, after the second connecting end 21 rotates downwards, the second electromagnet 13 is powered off, and the positioning mechanism releases the fixation of the transmission plate 8, so that the servo motor 7 drives the threaded rod 6 to drive the transmission plate 8 to move, after the servo motor 7 is powered off, the reset spring 22 can pull the rotating rod 19 and the second connecting end 21 to rotate upwards and connect the second connecting end 21 to the bottom end of the first connecting end 20, at the moment, the second electromagnet 13 is powered on, and the positioning mechanism fixes the transmission plate 8, after the servo motor 7 is powered off, the positioning mechanism can automatically fix the transmission plate 8 in time, manual adjustment is not needed, the automation degree is high, the manual labor intensity is reduced, and the use effect is good.
Referring to fig. 3, as an embodiment of the present invention, the position adjusting assembly includes two screw rods 23 symmetrically and rotatably installed between two fixing plates 5, the two screw rods 23 are respectively disposed through two positioning plates 10, the two positioning plates 10 are respectively engaged with the two screw rods 23 through threads, stepping motors 24 are respectively installed at ends of the two screw rods 23 close to the servo motor 7, two guide rods 25 respectively disposed through the two positioning plates 10 are installed between the two fixing plates 5, and scale marks 26 are equally spaced on the two guide rods 25.
Referring to fig. 1, 2 and 3, as an embodiment of the present invention, the distance between the driving plate 8 at the top end and the driving plate 8 at the bottom end and the table 4 at the top end is not less than 30 cm.
The distance between the transmission plate 8 at the top end and the transmission plate 8 at the bottom end and the workbench 4 at the top end is large, so that the scale marks 26 on the guide rod 25 and the specific positions of the positioning plate 10 can be observed visually, the convenience for adjusting the position of the positioning plate 10 is further enhanced, and the convenience for using the position adjusting assembly and the numerical control milling machine is further improved.
The working principle is as follows: the screw rod 23 is in threaded engagement with the positioning plate 10, so that the positioning plate 10 can be driven to reciprocate in the horizontal direction by rotating the stepping motor 24 and the screw rod 23, the positioning plate 10 can be conveniently moved and fixed, and the positioning plate 10 can be conveniently moved to a proper position by observing the scale marks 26 on the guide rod 25, so that the positioning plate 10 can be conveniently moved to a specified position and fixed; when the longitudinal adjusting mechanism is used, the positioning plate 10 is moved to a proper position and fixed by the aid of the position adjusting component, the servo motor 7 can drive the threaded rod 6 to rotate periodically after being electrified, the threaded rod 6 is in threaded engagement with the transmission plate 8, so that the transmission plate 8 and the transverse adjusting mechanism can be driven to move longitudinally and reciprocally by the periodic rotation of the threaded rod 6, when the transmission plate 8 is in contact with the positioning plate 10, the positive connection pole on the positioning plate 10 is connected with the negative connection pole on the transmission plate 8, the first electromagnet 12 is electrified and tightly absorbs the knife switch 11 to one end of the first electromagnet 12, the closed circuit connected with the servo motor 7 is disconnected after the knife switch 11 is moved to the end close to the first electromagnet 12, at the moment, the threaded rod 6 stops rotating and the transmission plate 8 and the transverse adjusting mechanism stop moving, when the servo motor 7 is electrified, the third electromagnet 18 is electrified and can absorb the rotating rod 19 and the second connecting end 21 at the top end to rotate downwards, after the second connecting end 21 rotates downwards, the second electromagnet 13 is powered off, and the positioning mechanism releases the fixing of the transmission plate 8, so that the servo motor 7 drives the threaded rod 6 to drive the transmission plate 8 to move, after the servo motor 7 is powered off, the return spring 22 can pull the rotating rod 19 and the second connecting end 21 to rotate upwards and connect the second connecting end 21 to the bottom end of the first connecting end 20, at the moment, the second electromagnet 13 is powered on and can respectively suck the two clamping iron blocks 14 to two ends of the second electromagnet 13, at the moment, the first anti-skid backing plate 16 on the clamping iron block 14 can be tightly attached to the second anti-skid backing plate 17 on one side of the guide post 9, and after the second electromagnet 13 is powered on, the two guide posts 9 can be tightly attached to two ends of the second electromagnet 13, so that the first anti-skid backing plate 16, the clamping iron blocks 14, the second electromagnet 13 and the transmission plate 8 can be fixedly connected to the second anti-skid backing plate 17, Guide post 9 and fixed plate 5, thereby can be fixed with driving plate 8 and horizontal adjustment mechanism, the same thing, can use horizontal adjustment mechanism with the driving plate 8 and the workstation 4 lateral shifting on top to suitable position and fixed, vertical adjustment mechanism and horizontal adjustment mechanism mutually support just can be convenient with the workstation 4 on top remove to the processing position and fix, workstation 4 removes behind the processing position not only to fix workstation 4 by thread engagement's locking force, positioning mechanism has still been increased and has fixed the location to workstation 4, the stability that workstation 4 is fixed has been promoted, consequently, can prevent that the cutter from adding man-hour drive work piece and workstation 4 together take place the offset to the work piece on workstation 4, thereby numerical control milling machine's machining precision has been promoted.
The electric elements in the document are electrically connected with an external main controller and 220V mains supply through a transformer, the main controller can be a conventional known device controlled by a computer and the like, the product model provided by the invention is only used according to the structural characteristics of the product, the product can be adjusted and modified after being purchased, so that the product is more matched with and accords with the technical scheme of the invention, the product model is a technical scheme of the optimal application of the technical scheme, the product model can be replaced and modified according to the required technical parameters, and the product model is familiar to the technical personnel in the field, so that the technical scheme provided by the invention can clearly obtain the corresponding use effect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high accuracy numerically controlled fraise machine, includes base (1), stand (2), cutter head (3) and workstation (4), its characterized in that: install drive workstation (4) horizontal migration's vertical adjustment mechanism and horizontal adjustment mechanism on the roof of base (1), vertical adjustment mechanism fixed mounting is on the roof of base (1), horizontal adjustment mechanism slidable mounting is on vertical adjustment mechanism's top, and workstation (4) slidable mounting is on horizontal adjustment mechanism's top, vertical adjustment mechanism and horizontal adjustment mechanism all include two fixed plates (5) of symmetry setting, two rotate jointly between fixed plate (5) and install threaded rod (6), and drive threaded rod (6) pivoted servo motor (7) are installed to one end of one of them fixed plate (5), threaded rod (6) go up threaded connection has driving plate (8), and two guide post (9) that run through driving plate (8) and set up are installed to the symmetry between fixed plate (5), two between fixed plate (5) symmetry movable mounting have two with driving plate (8) locating plate (10) of mutually supporting, two locating plate (10) are located the both sides of driving plate (8) respectively, and servo motor (7) outage when driving plate (8) and arbitrary locating plate (10) contact, install positioning mechanism in driving plate (8), be equipped with drive assembly between servo motor (7) and the positioning mechanism, positioning mechanism fixes driving plate (8) when and servo motor (7) outage, two be equipped with the position control assembly that drive locating plate (10) removed between fixed plate (5).
2. A high precision numerically controlled fraise machine according to claim 1, wherein: servo motor (7) electricity is connected with plug-in strip (11), first electro-magnet (12) are installed to one side of plug-in strip (11), two one side that locating plate (10) are close to driving plate (8) all installs the connection positive pole of being connected with first electro-magnet (12) electricity, the both sides of driving plate (8) all install and are connected anodal negative pole of being connected of mutually supporting.
3. A high precision numerically controlled fraise machine according to claim 1, wherein: the positioning mechanism comprises a second electromagnet (13) arranged in the transmission plate (8), the two guide posts (9) are both rectangular rods, and the second electromagnet (13) is positioned between the two guide posts (9), two clamping iron blocks (14) which are matched with the guide posts (9) are symmetrically and elastically arranged in the transmission plate (8), and the two clamping iron blocks (14) are respectively positioned at one side of the two guide columns (9), two and press from both sides movable groove (15) of tight iron plate (14) of mutually supporting are seted up to the symmetry in driving plate (8), two press from both sides and all install first non-slip backing plate (16), two on pressing from both sides tight iron plate (14) and being close to the lateral wall of guide post (9) one side guide post (9) are close to and all install on the lateral wall of pressing from both sides tight iron plate (14) one side second non-slip backing plate (17) of mutually supporting with first non-slip backing plate (16).
4. A high precision numerically controlled fraise machine according to claim 3, wherein: the transmission assembly comprises a third electromagnet (18) electrically connected to the servo motor (7), a rotating rod (19) is rotatably installed at the top end of the third electromagnet (18), a first connecting end (20) electrically connected with the second electromagnet (13) is arranged at the top end of the rotating rod (19), a second connecting end (21) matched with the first connecting end (20) is installed at one end of the rotating rod (19), and a reset spring (22) is connected to one end, far away from the second connecting end (21), of the rotating rod (19).
5. A high precision numerically controlled fraise machine according to claim 1, wherein: position control assembly rotates two lead screw (23) of installing between two fixed plate (5), two including the symmetry lead screw (23) run through two locating plate (10) settings respectively, and two locating plate (10) respectively with two lead screw (23) thread engagement, two step motor (24), two are all installed to the one end that lead screw (23) are close to servo motor (7) install two guide bar (25) that run through two locating plate (10) settings respectively between fixed plate (5), two impartial distance is equipped with scale mark (26) on guide bar (25).
6. A high precision numerically controlled fraise machine according to claim 5, wherein: the distance between the transmission plate (8) at the top end and the transmission plate (8) at the bottom end and the workbench (4) at the top end is not less than 30 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110931959.7A CN113752044A (en) | 2021-08-13 | 2021-08-13 | High-precision numerical control milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110931959.7A CN113752044A (en) | 2021-08-13 | 2021-08-13 | High-precision numerical control milling machine |
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| Publication Number | Publication Date |
|---|---|
| CN113752044A true CN113752044A (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110931959.7A Pending CN113752044A (en) | 2021-08-13 | 2021-08-13 | High-precision numerical control milling machine |
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| CN (1) | CN113752044A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114310397A (en) * | 2022-01-25 | 2022-04-12 | 吴敏珍 | Adjustable clamping equipment for production of automobile hydraulic oil cylinder |
-
2021
- 2021-08-13 CN CN202110931959.7A patent/CN113752044A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114310397A (en) * | 2022-01-25 | 2022-04-12 | 吴敏珍 | Adjustable clamping equipment for production of automobile hydraulic oil cylinder |
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