CN110293236A - A kind of numerically-controlled machine tool auxiliary device with heat sinking function applied widely - Google Patents
A kind of numerically-controlled machine tool auxiliary device with heat sinking function applied widely Download PDFInfo
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- CN110293236A CN110293236A CN201910711288.6A CN201910711288A CN110293236A CN 110293236 A CN110293236 A CN 110293236A CN 201910711288 A CN201910711288 A CN 201910711288A CN 110293236 A CN110293236 A CN 110293236A
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- moving tube
- terminal pad
- fixing pipe
- numerically
- block
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B23/00—Tailstocks; Centres
- B23B23/04—Live centres
-
- 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
Abstract
The present invention relates to a kind of numerically-controlled machine tool auxiliary devices with heat sinking function applied widely, including addendum cone, rotation axis, bearing and terminal pad, the terminal pad and rotation axis are coaxially disposed, the terminal pad is equipped with connecting hole, the connecting hole and rotation axis are coaxially disposed, the aperture of the connecting hole is greater than the diameter of rotation axis, the addendum cone is mounted on one end of rotation axis, the other end of the rotation axis passes through connecting hole, the bearing is between addendum cone and terminal pad, the inner ring installation of the bearing is on the rotating shaft, the outer ring of the bearing is fixedly connected with terminal pad, the side of the separate addendum cone of the terminal pad is equipped with auxiliary body and cooling mechanism, the numerically-controlled machine tool auxiliary device with heat sinking function applied widely improves the scope of application by auxiliary body, moreover, workpiece is also improved by cooling mechanism Heat dissipation effect avoids influencing machining accuracy because expanding with heat and contract with cold.
Description
Technical field
The present invention relates to digit ctrol machine tool field, in particular to a kind of numerically-controlled machine tool with heat sinking function applied widely
Auxiliary device.
Background technique
Numerically controlled lathe is to be mainly used for axial workpiece or disk-like accessory using relatively broad one of numerically-controlled machine tool at present
Inside and outside cylindrical surface, any cone angle inside and outside circular conical surface, it is complicated turn round in the machinings such as positive camber and cylinder, tapered tread,
And can be carried out grooving, drilling, reaming, fraising and bore hole etc..
Existing numerically-controlled machine tool is carrying out outer plus working hour to compared with machining long workpieces, in order to reduce the axial runout of workpiece, by all
It will use the centre bore that the addendum cone on tailstock withstands workpiece, play the effect of support workpiece, but since addendum cone size is limited, lead
Cause usage range smaller, especially processing internal diameter biggish pipe fitting workpiece when, addendum cone can not normally withstand workpiece, reduce practical
Property, moreover, in numerical-controlled machine tool machining process, workpiece can generate biggish heat, due to the principle of thermal boundary pyrocondensation, will lead to
There is certain deviation in processing dimension, to reduce machining accuracy.
Summary of the invention
The technical problem to be solved by the present invention is for overcome the deficiencies in the prior art, providing a kind of applied widely
Numerically-controlled machine tool auxiliary device with heat sinking function.
The technical solution adopted by the present invention to solve the technical problems is: a kind of applied widely have heat sinking function
Numerically-controlled machine tool auxiliary device, including addendum cone, rotation axis, bearing and terminal pad, the terminal pad and rotation axis are coaxially disposed, described
Terminal pad is equipped with connecting hole, and the connecting hole and rotation axis are coaxially disposed, and the aperture of the connecting hole is greater than the straight of rotation axis
Diameter, the addendum cone are mounted on one end of rotation axis, and the other end of the rotation axis passes through connecting hole, the bearing be located at addendum cone with
Between terminal pad, on the rotating shaft, the outer ring of the bearing is fixedly connected with terminal pad, the company for the inner ring installation of the bearing
The side for connecing the separate addendum cone of disk is equipped with auxiliary body and cooling mechanism；
The auxiliary body includes fixing pipe, moving tube, support ring, moving assembly and at least three accessory parts, the fixation
Pipe is coaxially disposed with terminal pad, and the outer diameter of the fixing pipe and the diameter of terminal pad are equal, between the fixing pipe and terminal pad
Equipped with gap, the moving tube and fixing pipe are coaxially disposed, and the outer diameter of the moving tube is less than the internal diameter of fixing pipe, the movement
The internal diameter of pipe is greater than the aperture of connecting hole, and one end of the moving tube seals and is fixedly connected with terminal pad, the moving tube
The other end is located in fixing pipe, and the support ring is located in fixing pipe, and the support ring and moving tube are coaxially disposed, the support
The internal diameter of ring and the outer diameter of moving tube are equal, and the outer diameter of the support ring is less than the internal diameter of fixing pipe, and the moving tube passes through branch
The inner wall of pushing out ring, the moving tube and support ring is slidably connected, and the support ring is fixed on the inner wall of fixing pipe, the movement
Component is arranged in fixing pipe, and moving assembly driving moving tube moves along the axial movement of pipe, the accessory part with
It is circumferentially evenly distributed between terminal pad and fixing pipe centered on the axis of moving tube；
The accessory part includes link block, ball, power block, two connecting rods and two auxiliary units, and the power block is located at
Between two connecting rods, one end of two connecting rods is hinged with the two sides of power block respectively, the other end of two connecting rods respectively with connection
Disk and fixing pipe are hinged, the link tilt setting, between one end and moving tube axis of the close power block of the connecting rod
Distance is greater than the distance between the other end and moving tube axis of connecting rod, and the separate moving tube of power block is arranged in the link block
Side, the link block and power block face be arranged, gap is equipped between the power block and link block, the link block
Side far from power block is equipped with groove, and the centre of sphere of the ball is arranged in groove, the ball and matching grooves and sliding
Connection, the sphere diameter of the ball are greater than the width of rebate of groove, and the auxiliary unit and connecting rod correspond, and the link block is logical
Auxiliary unit is crossed to connect with power block；
The auxiliary unit includes mounting hole, slide bar, fixed block and spring, and the mounting hole is arranged on power block, the peace
The axis in dress hole is vertical with the axis of moving tube and intersects, and the slide bar and mounting hole are coaxially disposed, and the slide bar passes through installation
The inner wall of hole, the slide bar and mounting hole is slidably connected, and one end of the slide bar is fixed on the one of the close power block of link block
End, the fixed block are fixed on the other end of slide bar, and between power block and fixed block, the fixed block passes through the spring
Spring is connect with power block；
The cooling mechanism includes flabellum, at least three escape pipes, at least three ventholes and at least three air inlets, the fan
Leaf is located in moving tube, and the flabellum is mounted on one end of the separate addendum cone of rotation axis, and the air inlet and power block one are a pair of
It answers, the air inlet is located at the side of the separate addendum cone of flabellum, and the escape pipe is between addendum cone and flabellum, the escape pipe
It is corresponded with air inlet, the venthole and escape pipe correspond, and the venthole is arranged in terminal pad, the outlet
The axis in hole and the axis of moving tube are parallel, and one end of the escape pipe is arranged in venthole, the other end of the escape pipe
It is connected to moving tube.
Preferably, in order to drive moving tube mobile, the moving assembly includes driving motor and screw rod, the screw rod with
Moving tube coaxial arrangement, the screw rod are located at one end of the separate terminal pad of moving tube, and the screw rod is inserted into moving tube, described
Screw rod is equipped with external screw thread, and the inner wall of the moving tube is equipped with internal screw thread, and the external screw thread is matched with internal screw thread, the screw rod
It is threadedly coupled with moving tube, one end transmission connection of the separate terminal pad of the driving motor and screw rod, the driving motor is solid
It is scheduled on the inner wall of fixing pipe.
Preferably, being coated with lubricating oil on the screw rod to reduce the frictional force between screw rod and moving tube.
Preferably, in order to improve the driving force of driving motor, the driving motor is servo motor.
Preferably, one end of the close terminal pad of the screw rod is equipped with chamfering for the ease of the installation of screw rod.
Preferably, being equipped with pressure sensor, the pressure between the power block and link block to realize intelligence
Sensor is fixed on link block, and PLC is equipped in the fixing pipe, and the pressure sensor is electrically connected with PLC.
Preferably, the moving tube is equipped with contact-making switch, the contact-making switch position in order to avoid dead point occurs in connecting rod
In the side of the separate terminal pad of support ring, the contact-making switch is electrically connected with PLC.
Preferably, the addendum cone is equipped with anti-skid chequer in order to avoid skidding.
Preferably, being equipped with strainer in the air inlet in order to avoid dust enters in moving tube from air inlet.
Preferably, in order to extend the service life of fixing pipe, the fixing pipe is equipped with anticorrosion galvanizing layer.
The invention has the advantages that the numerically-controlled machine tool auxiliary device with heat sinking function applied widely is by auxiliary
Mechanism is helped to improve the scope of application, compared with existing auxiliary body, auxiliary body's clever structure, practicability is stronger, not only
In this way, also improving the heat dissipation effect of workpiece by cooling mechanism, avoid influencing machining accuracy because expanding with heat and contract with cold, and it is existing
Cooling mechanism is compared, and the cooling mechanism structure is simple, and cost is lower.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of the numerically-controlled machine tool auxiliary device with heat sinking function applied widely of the invention；
Fig. 2 is the portion the A enlarged drawing of Fig. 1；
Fig. 3 is the portion the B enlarged drawing of Fig. 1；
Fig. 4 is the portion the C enlarged drawing of Fig. 1；
In figure: 1. addendum cones, 2. rotation axis, 3. bearings, 4. terminal pads, 5. fixing pipes, 6. moving tubes, 7. support rings, 8. link blocks,
9. ball, 10. power blocks, 11. connecting rods, 12. slide bars, 13. fixed blocks, 14. springs, 15. flabellums, 16. escape pipes, 17. drivings
Motor, 18. screw rods, 19. pressure sensors, 20. contact-making switches, 21. strainers.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
As shown in Figure 1, a kind of numerically-controlled machine tool auxiliary device with heat sinking function applied widely, including addendum cone 1, turn
Moving axis 2, bearing 3 and terminal pad 4, the terminal pad 4 are coaxially disposed with rotation axis 2, and the terminal pad 4 is equipped with connecting hole, institute
It states connecting hole and rotation axis 2 is coaxially disposed, the aperture of the connecting hole is greater than the diameter of rotation axis 2, and the addendum cone 1, which is mounted on, to be turned
The other end of one end of moving axis 2, the rotation axis 2 passes through connecting hole, and the bearing 3 is between addendum cone 1 and terminal pad 4, institute
The inner ring for stating bearing 3 is mounted in rotation axis 2, and the outer ring of the bearing 3 is fixedly connected with terminal pad 4, the terminal pad 4 it is remote
Side from addendum cone 1 is equipped with auxiliary body and cooling mechanism；
The centre bore that workpiece is withstood by addendum cone 1 makes addendum cone 1 that rotation axis 2 be driven to make in the support of bearing 3 by the rotation of workpiece
Reduced the axial direction that workpiece rotation generates to be played the effect of support workpiece rotation with lower rotation and jumped to, here, is arranged auxiliary
The effect for helping mechanism is to improve the scope of application, and the effect that cooling mechanism is arranged is the heat dissipation effect of lifting workpieces.
As Figure 2-3, the auxiliary body includes fixing pipe 5, moving tube 6, support ring 7, moving assembly and at least three
A accessory part, the fixing pipe 5 are coaxially disposed with terminal pad 4, and the outer diameter of the fixing pipe 5 is equal with the diameter of terminal pad 4,
Gap is equipped between the fixing pipe 5 and terminal pad 4, the moving tube 6 is coaxially disposed with fixing pipe 5, outside the moving tube 6
Diameter is less than the internal diameter of fixing pipe 5, and the internal diameter of the moving tube 6 is greater than the aperture of connecting hole, one end of the moving tube 6 and connection
Disk 4 is sealed and is fixedly connected, and the other end of the moving tube 6 is located in fixing pipe 5, and the support ring 7 is located in fixing pipe 5,
The support ring 7 is coaxially disposed with moving tube 6, and the internal diameter of the support ring 7 is equal with the outer diameter of moving tube 6, the support ring 7
Outer diameter be less than the internal diameter of fixing pipe 5, the moving tube 6 passes through support ring 7, and the moving tube 6 and the inner wall of support ring 7 slide
Connection, the support ring 7 are fixed on the inner wall of fixing pipe 5, and the moving assembly is arranged in fixing pipe 5, and described mobile group
Part driving moving tube 6 moves along the axial movement of pipe 6, and the accessory part is circumferential uniform centered on the axis of moving tube 6
It is distributed between terminal pad 4 and fixing pipe 5；
The accessory part includes link block 8, ball 9,10, two connecting rods 11 of power block and two auxiliary units, the power
Block 10 is located between two connecting rods 11, and one end of two connecting rods 11 is hinged with the two sides of power block 10 respectively, two connecting rods 11
The other end is hinged with terminal pad 4 and fixing pipe 5 respectively, and the connecting rod 11 is obliquely installed, the close power block 10 of the connecting rod 11
One end and the distance between 6 axis of moving tube be greater than the distance between the other end and 6 axis of moving tube of connecting rod 11, the company
The side that the separate moving tube 6 of power block 10 is arranged in block 8 is connect, the link block 8 is arranged with 10 face of power block, the power
Gap is equipped between block 10 and link block 8, the side of the separate power block 10 of the link block 8 is equipped with groove, the ball 9
The centre of sphere is arranged in groove, the ball 9 and matching grooves and is slidably connected, the notch of the sphere diameter of the ball 9 greater than groove
Width, the auxiliary unit and connecting rod 11 correspond, and the link block 8 is connect by auxiliary unit with power block 10；
The auxiliary unit includes mounting hole, slide bar 12, fixed block 13 and spring 14, and the mounting hole is arranged in power block 10
On, the axis of the mounting hole is vertical with the axis of moving tube 6 and intersects, and the slide bar 12 is coaxially disposed with mounting hole, described
Slide bar 12 passes through mounting hole, and the inner wall of the slide bar 12 and mounting hole is slidably connected, and one end of the slide bar 12 is fixed on connection
One end of the close power block 10 of block 8, the fixed block 13 are fixed on the other end of slide bar 12, and the spring 14 is located at power block
Between 10 and fixed block 13, the fixed block 13 is connect by spring 14 with power block 10；
In fact, fixing pipe 5 is connect with external mobile device, when workpiece is the pipe fitting of large diameter, made by mobile device solid
Determining pipe 5 drives one end of close terminal pad 4 of fixing pipe 5 to be moved in workpiece, then makes moving tube 6 towards remote by moving assembly
It is mobile from 4 direction of terminal pad, make terminal pad 4 and fixing pipe 5 close to mobile, so as to by connecting rod 11 drive fixed block 13 to
It is mobile far from moving direction, make the inner wall of ball 9 and workpiece against also, continuing to move to by fixed block 13, make fixed block
13 with link block 8 against and compressing spring 14, the inner wall by ball 9 and workpiece is against can play support workpiece rotation
Effect, after completion of processing, then by moving assembly reset moving tube 6, and ball 9 is driven to separate with the inner wall of workpiece.
As shown in figure 4, the cooling mechanism includes flabellum 15, at least three escape pipes 16, at least three ventholes and extremely
Few three air inlets, the flabellum 15 are located in moving tube 6, and the flabellum 15 is mounted on the one of the separate addendum cone 1 of rotation axis 2
End, the air inlet and power block 10 correspond, and the air inlet is located at the side of the separate addendum cone 1 of flabellum 15, it is described out
Tracheae 16 is between addendum cone 1 and flabellum 15, and the escape pipe 16 is corresponded with air inlet, the venthole and escape pipe 16
Correspond, the venthole is arranged in terminal pad 4, and the axis of the venthole is parallel with the axis of moving tube 6, it is described out
One end of tracheae 16 is arranged in venthole, and the other end of the escape pipe 16 is connected to moving tube 6.
The rotation of rotation axis 2 drives flabellum 15 to rotate, so that the air outside moving tube 6 be made to enter and shifting by air inlet
In dynamic pipe 6, then from escape pipe 16 and mounting hole towards close to the ejection of workpiece direction, by the flowing of air, it can accelerate on workpiece
The dissipation of heat, improving radiating effect.
Preferably, in order to drive moving tube 6 mobile, the moving assembly includes driving motor 17 and screw rod 18, described
Screw rod 18 and moving tube 6 are coaxially disposed, and the screw rod 18 is located at one end of the separate terminal pad 4 of moving tube 6, and the screw rod 18 is inserted
Enter in moving tube 6, the screw rod 18 is equipped with external screw thread, and the inner wall of the moving tube 6 is equipped with internal screw thread, the external screw thread with
Internal screw thread matching, the screw rod 18 are threadedly coupled with moving tube 6, the driving motor 17 and the separate terminal pad 4 of screw rod 18
One end transmission connection, the driving motor 17 are fixed on the inner wall of fixing pipe 5.
Driving motor 17 is run, and rotates screw rod 18, and the rotation drive moving tube 6 of screw rod 18 moves along the axial direction of pipe 6
It is mobile, realize the mobile function of driving moving tube 6.
Preferably, being coated with lubricating oil on the screw rod 18 to reduce the frictional force between screw rod 18 and moving tube 6.
The effect of lubricating oil is the frictional force reduced between screw rod 18 and moving tube 6, improves the fluency that screw rod 18 rotates.
Preferably, in order to improve the driving force of driving motor 17, the driving motor 17 is servo motor.
Servo motor has the characteristics that overload capacity is strong, so as to improve the driving force of driving motor 17.
Preferably, one end of the close terminal pad 4 of the screw rod 18 is equipped with chamfering for the ease of the installation of screw rod 18.
The effect of chamfering is the bore reduced when screw rod 18 is packed into moving tube 6, to play convenient for the installation of screw rod 18
Effect.
Preferably, being equipped with pressure sensor 19, institute between the power block 10 and link block 8 to realize intelligence
It states pressure sensor 19 to be fixed on link block 8, is equipped with PLC in the fixing pipe 5, the pressure sensor 19 and PLC is electrically connected
It connects.
In fact, numerically-controlled machine tool is equipped with control system, and control system is electrically connected with PLC, makes PLC by control system
It controls driving motor 17 to run, makes the inner wall of ball 9 and tubular workpiece against to make link block 8 and fixed block 13 against making
Pressure sensor 19 detects pressure signal, when the detection signal of pressure sensor 19 reaches setting value, pressure sensor 19
Signal is issued to PLC, PLC, that is, programmable logic controller (PLC), it is used for its storage inside journey using a kind of programmable memory
Sequence executes the user oriented instructions such as logical operation, sequential control, timing, counting and arithmetical operation, and passes through number or simulation
Formula input, output control is various types of mechanical or production processes, its essence is a kind of computer for being exclusively used in Industry Control,
Hardware configuration is substantially identical as microcomputer, is generally used for the reception and output of processing and the instruction of data, for real
Existing center control, to keep PLC control driving motor 17 out of service, avoid between ball 9 and the inner wall of tubular workpiece against
Pine is crossed, the reliability of support workpiece is improved.
Preferably, the moving tube 6 is equipped with contact-making switch 20, the contact in order to avoid dead point occurs in connecting rod 11
Switch 20 is located at the side of the separate terminal pad 4 of support ring 7, and the contact-making switch 20 is electrically connected with PLC.
In 17 operational process of driving motor, drive moving tube 6 towards close to the movement of 4 direction of terminal pad by screw rod 18
When, the mobile drive contact-making switch 20 and support ring 7 of moving tube 6 are against to make detection switch issue signal, PLC control to PLC
Driving motor 17 processed is out of service, and the excessively movement of moving tube 6 is avoided to cause connecting rod 11 parallel with moving tube 6 and dead point occur.
Preferably, the addendum cone 1 is equipped with anti-skid chequer in order to avoid skidding.
The effect of anti-skid chequer is the frictional force increased between addendum cone 1 and workpiece, avoids skidding.
Preferably, being equipped with strainer 21 in the air inlet in order to avoid dust enters in moving tube 6 from air inlet.
The effect of strainer 21 is that dust is avoided to enter in moving tube 6 from air inlet, plays dust-proof effect.
Preferably, in order to extend the service life of fixing pipe 5, the fixing pipe 5 is equipped with anticorrosion galvanizing layer.
The effect of anticorrosion galvanizing layer is the antirust ability for promoting fixing pipe 5, promotes the service life of fixing pipe 5.
The device withstands the centre bore of workpiece by addendum cone 1, makes addendum cone 1 drive rotation axis 2 in axis by the rotation of workpiece
It holds and is rotated under 3 supporting role, so that the effect of support workpiece rotation is played, and when workpiece is the biggish tubular workpiece of internal diameter
When, the one end of close terminal pad 4 for making fixing pipe 5 drive fixing pipe 5 is moved in workpiece, and passes through the interior of ball 9 and workpiece
Wall against, play support tubular workpiece effect；
Here, by ball 9 and tubular workpiece against, play the effect of support tubular workpiece, meanwhile, it is dynamic by adjusting
The distance between power block 10 and moving tube 6 can make the tubular workpiece of device support different inner diameters size, improve applicable model
It encloses, meanwhile, workpiece during rotation, sprays air escape pipe 16 and mounting hole in moving tube 6 towards close to workpiece direction,
By the flowing of air, the dissipation of heat on workpiece, improving radiating effect can be accelerated.
Compared with prior art, which passes through auxiliary machine
Structure improves the scope of application, and compared with existing auxiliary body, auxiliary body's clever structure, practicability is stronger, moreover,
The heat dissipation effect of workpiece is also improved by cooling mechanism, avoids influencing machining accuracy because expanding with heat and contract with cold, with existing heat dissipation
Mechanism compares, and the cooling mechanism structure is simple, and cost is lower.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. a kind of numerically-controlled machine tool auxiliary device with heat sinking function applied widely, including addendum cone (1), rotation axis (2), axis
(3) and terminal pad (4) are held, the terminal pad (4) and rotation axis (2) are coaxially disposed, and the terminal pad (4) is equipped with connecting hole,
The connecting hole and rotation axis (2) are coaxially disposed, and the aperture of the connecting hole is greater than the diameter of rotation axis (2), the addendum cone (1)
It is mounted on one end of rotation axis (2), the other end of the rotation axis (2) passes through connecting hole, and the bearing (3) is located at addendum cone (1)
Between terminal pad (4), the inner ring of the bearing (3) is mounted on rotation axis (2), the outer ring of the bearing (3) and terminal pad
(4) it is fixedly connected, which is characterized in that the side of the separate addendum cone (1) of the terminal pad (4) is equipped with auxiliary body and heat dissipation machine
Structure；
The auxiliary body includes fixing pipe (5), moving tube (6), support ring (7), moving assembly and at least three accessory parts,
The fixing pipe (5) and terminal pad (4) are coaxially disposed, and the outer diameter of the fixing pipe (5) is equal with the diameter of terminal pad (4), institute
It states and is equipped with gap between fixing pipe (5) and terminal pad (4), the moving tube (6) and fixing pipe (5) are coaxially disposed, the movement
The outer diameter for managing (6) is less than the internal diameter of fixing pipe (5), and the internal diameter of the moving tube (6) is greater than the aperture of connecting hole, the moving tube
(6) one end seals and is fixedly connected with terminal pad (4), and the other end of the moving tube (6) is located in fixing pipe (5), described
Support ring (7) is located in fixing pipe (5), and the support ring (7) and moving tube (6) are coaxially disposed, the internal diameter of the support ring (7)
Equal with the outer diameter of moving tube (6), the outer diameter of the support ring (7) is less than the internal diameter of fixing pipe (5), and the moving tube (6) is worn
It crosses support ring (7), the moving tube (6) and the inner wall of support ring (7) are slidably connected, and the support ring (7) is fixed on fixing pipe
(5) on inner wall, in fixing pipe (5), moving assembly driving moving tube (6) moves along pipe for the moving assembly setting
(6) axial movement, the accessory part are circumferentially evenly distributed on terminal pad (4) and are consolidated centered on the axis of moving tube (6)
Between fixed pipe (5)；
The accessory part includes link block (8), ball (9), power block (10), two connecting rods (11) and two auxiliary units,
The power block (10) is located between two connecting rods (11), and one end of two connecting rods (11) is cut with scissors with the two sides of power block (10) respectively
Connect, the other end of two connecting rods (11) respectively with terminal pad (4) and fixing pipe (5) hingedly, the connecting rod (11) is obliquely installed, institute
State the other end that the distance between one end and moving tube (6) axis of the close power block (10) of connecting rod (11) is greater than connecting rod (11)
The distance between moving tube (6) axis, the side of separate moving tube (6) of link block (8) setting in power block (10),
The link block (8) and power block (10) face are arranged, and gap is equipped between the power block (10) and link block (8), described
The side of the separate power block (10) of link block (8) is equipped with groove, and the centre of sphere of the ball (9) is arranged in groove, the rolling
Pearl (9) and matching grooves and be slidably connected, the sphere diameter of the ball (9) is greater than the width of rebate of groove, the auxiliary unit with
Connecting rod (11) corresponds, and the link block (8) is connect by auxiliary unit with power block (10)；
The auxiliary unit includes mounting hole, slide bar (12), fixed block (13) and spring (14), and the mounting hole is arranged in power
On block (10), the axis of the mounting hole is vertical with the axis of moving tube (6) and intersects, and the slide bar (12) and mounting hole are coaxial
Setting, the slide bar (12) pass through mounting hole, and the slide bar (12) and the inner wall of mounting hole are slidably connected, the slide bar (12)
One end is fixed on one end of the close power block (10) of link block (8), and the fixed block (13) is fixed on the another of slide bar (12)
End, the spring (14) are located between power block (10) and fixed block (13), and the fixed block (13) passes through spring (14) and dynamic
Power block (10) connection；
The cooling mechanism includes flabellum (15), at least three escape pipes (16), at least three ventholes and at least three air inlets
Hole, the flabellum (15) are located in moving tube (6), and the flabellum (15) is mounted on the one of the separate addendum cone (1) of rotation axis (2)
End, the air inlet and power block (10) correspond, and the air inlet is located at the side of the separate addendum cone (1) of flabellum (15),
The escape pipe (16) is located between addendum cone (1) and flabellum (15), and the escape pipe (16) and air inlet correspond, it is described go out
Stomata and escape pipe (16) correspond, and the venthole is arranged on terminal pad (4), the axis and moving tube of the venthole
(6) axis is parallel, and one end of the escape pipe (16) is arranged in venthole, the other end of the escape pipe (16) and movement
Manage (6) connection.
2. the numerically-controlled machine tool auxiliary device with heat sinking function applied widely as described in claim 1, which is characterized in that
The moving assembly includes driving motor (17) and screw rod (18), and the screw rod (18) and moving tube (6) are coaxially disposed, the silk
Bar (18) is located at one end of the separate terminal pad (4) of moving tube (6), and screw rod (18) insertion moving tube (6) is interior, the screw rod
(18) it is equipped with external screw thread, the inner wall of the moving tube (6) is equipped with internal screw thread, and the external screw thread is matched with internal screw thread, described
Screw rod (18) is threadedly coupled with moving tube (6), and one end of the separate terminal pad (4) of the driving motor (17) and screw rod (18) passes
Dynamic connection, the driving motor (17) are fixed on the inner wall of fixing pipe (5).
3. the numerically-controlled machine tool auxiliary device with heat sinking function applied widely as claimed in claim 2, which is characterized in that
Lubricating oil is coated on the screw rod (18).
4. the numerically-controlled machine tool auxiliary device with heat sinking function applied widely as claimed in claim 2, which is characterized in that
The driving motor (17) is servo motor.
5. the numerically-controlled machine tool auxiliary device with heat sinking function applied widely as claimed in claim 2, which is characterized in that
One end of the close terminal pad (4) of the screw rod (18) is equipped with chamfering.
6. the numerically-controlled machine tool auxiliary device with heat sinking function applied widely as described in claim 1, which is characterized in that
Pressure sensor (19) are equipped between the power block (10) and link block (8), the pressure sensor (19) is fixed on connection
On block (8), PLC is equipped in the fixing pipe (5), the pressure sensor (19) is electrically connected with PLC.
7. the numerically-controlled machine tool auxiliary device with heat sinking function applied widely as claimed in claim 6, which is characterized in that
The moving tube (6) is equipped with contact-making switch (20), and the contact-making switch (20) is located at the separate terminal pad (4) of support ring (7)
Side, the contact-making switch (20) is electrically connected with PLC.
8. the numerically-controlled machine tool auxiliary device with heat sinking function applied widely as described in claim 1, which is characterized in that
The addendum cone (1) is equipped with anti-skid chequer.
9. the numerically-controlled machine tool auxiliary device with heat sinking function applied widely as described in claim 1, which is characterized in that
Strainer (21) are equipped in the air inlet.
10. the numerically-controlled machine tool auxiliary device with heat sinking function applied widely as described in claim 1, feature exist
In the fixing pipe (5) is equipped with anticorrosion galvanizing layer.
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| CN110293236B (en) | 2020-10-30 |
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