CN110039094A - Horizontal Machining centers angle head high-precision connection structure - Google Patents
Horizontal Machining centers angle head high-precision connection structure Download PDFInfo
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- CN110039094A CN110039094A CN201910432912.9A CN201910432912A CN110039094A CN 110039094 A CN110039094 A CN 110039094A CN 201910432912 A CN201910432912 A CN 201910432912A CN 110039094 A CN110039094 A CN 110039094A
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- main shaft
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- angle head
- face
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- 238000003754 machining Methods 0.000 title claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 50
- 238000003825 pressing Methods 0.000 claims abstract description 33
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- 239000011324 bead Substances 0.000 claims description 9
- 230000014759 maintenance of location Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
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- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 206010054949 Metaplasia Diseases 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
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- 238000003801 milling Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C1/00—Milling machines not designed for particular work or special operations
-
- 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
-
- 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
- B23Q1/70—Stationary or movable members for carrying working-spindles for attachment of tools or work
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Abstract
The invention discloses a kind of horizontal Machining centers angle head high-precision connection structures, including driving spindle and transmission main shaft, it is set on angle casing and is pressed against end face there are three axial, main shaft housing is equipped with axially position end face, wherein adjacent two axial are pressed against between end face are equipped with tool changing escape port, three axial end faces of being pressed against surround pressing triangle, and the center of gravity of angle head, which is located at, to be pressed against in triangle；Main shaft housing is equipped with corner and clamps cylinder, and angle casing is equipped with clamping pressing portion；It is equipped between angle casing and main shaft housing and is circumferentially bonded device.The center of gravity of the axial pressing for being pressed against end face and axially position end face and angle head is located at the setting being pressed against in triangle, may make angle head in axial quick stable connection, avoids angle head circular runout.The present invention is fast and accurate for positioning, and connection accuracy is high.
Description
Technical field
The present invention relates to Computerized Numerical Control processing technology fields more particularly to a kind of horizontal Machining centers angle head high-precision to connect
Structure.
Background technique
Precision Machining belongs to advanced manufacturing technology, is primarily referred to as machining accuracy and any surface finish degree is higher than each corresponding processing
Properties of product, quality can be improved in the various processing that method finishes, and promote product miniaturization, enhance interchangeablity, are conducive to certainly
Dynamic metaplasia production etc..
Horizontal Machining centers is mainly can to carry out multi-angle milling using angle head for one of precision machined equipment
Equal operations, to the process of Same Part, it is often necessary to which the replacement for carrying out multiple angle heads uses, and cooperates horizontal Machining centers
Automation control, the replacement of angle head is also automatically performed by rotation tool changing tool arm, assembly when this replaces angle head
Efficiency, accuracy of angle head connection etc. propose higher requirement.
Horizontal Machining centers is based on German and day system, device, and by equipment purchase cost impact at present, and the country is to horizontal
The buying of machining center is mostly based on day system, device, the connection of angle head, relies primarily on the upper conical cylinder of angle head and matches with main shaft
It closes progress centralized positioning, circumferential latch and scotch cooperation in main shaft shell and carries out circumferentially positioned mode, this connection side
There are some problems for formula:
(1) angle head entirety lateral connection, because angle head overall weight is often larger, and the upper conical cylinder of angle head and main shaft cooperate
For taper fit, so can be because of run-off the straight of being self-possessed, through measuring, even the angle head of minimum model, end after angle head connection
All can be 0.085mm bigger than the spacing of end face lower edge and main shaft housing along the spacing with main shaft housing on face or so, this meeting is so that angle
Radial bounce occurs in the degree head course of work；And the Precision Machining of horizontal Machining centers up to arrives micron order, even 0.085mm
Caused angle head circular runout can all seriously affect Precision Machining；It is now also paid to use German pressing end face and be pressed against cylinder
The structure of cooperation abuts against angle head in main shaft housing, eliminates above-mentioned slanted gap whereby, but because of Japanese rotation tool changing knife
Shorter for the plug stroke of arm is relatively German, plug stroke is only able to achieve angle head conically shaped and exits main shaft, is pressed against in addition
End face mostly uses the setting on angle end surface and main shaft housing end face to be pressed against nail to realize, nail is pressed against when to avoid tool changing and is hindered
Tool changing tool arm or angle head are rotated, the arrangement for being pressed against end face, which can not be formed, to be circumferentially evenly distributed with, and can not form circumferentially uniformly distributed pressure
It is difficult to ensure the balance for being pressed against cylinder force again by end face, also can not just be pressed against angle head is stable in main shaft housing, this shape
At conflicting, so all big enterprises and thering is mature technological means to solve the above problems using Shang Junwei at present.
(2) after circumferential latch insertion scotch, there is only buses to contact between circumferential latch and stop hole, in angle
In frequent shaking when head work, the structures such as circumferential latch and stop hole are easily damaged.
(3) stop hole on scotch is cylindrical hole or conical bore, and circumferential latch and stop hole are because convenient for assembly etc.
There are fit clearance, this gaps in 0.01mm or so, can mostly occur because of the fit clearance when angle head works normally for reason
Circumferential shaking, or even can be self-possessed with angle head and be formed slopely cooperation, cause angle head that unordered shake occurs, this all serious shadow
Ring Precision Machining.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of easy disassembly, and accurate positioning is quick, and angle head is avoided to shake
It is dynamic, improve the horizontal Machining centers angle head high-precision connection structure of connection accuracy.
In order to solve the above technical problems, the technical scheme is that horizontal Machining centers is connected with angle head high-precision
Structure, including the driving spindle being rotatably installed in main shaft housing and the transmission main shaft being rotatably installed in angle casing, institute
It states and is equipped with center attachment device between transmission main shaft and the driving spindle, set on the angle casing and be pressed against there are three axial
End face, wherein adjacent two axial are pressed against between end face are equipped with tool changing escape port, three axial centers for being pressed against end face
Pressing triangle is surrounded, the center of gravity of angle head is located in the pressing triangle；The main shaft housing is equipped with and the axial direction
It is pressed against the one-to-one axially position end face in end face, is located at each axially position endface in the main shaft housing and is respectively equipped with
Corner clamps cylinder, and the angle casing is equipped with clamps pressing with the piston rod end of corner clamping cylinder correspondingly
Portion；It is equipped between the angle casing and the main shaft housing and is circumferentially bonded device.
The pressing circumcentre of a triangle is overlapped setting with the center of gravity of the angle head as a preferred technical solution,.
It includes the week being arranged on the angle casing that the circumferential direction, which is bonded device, as a preferred technical solution,
To positioning pin and it is fixed in the main shaft housing and circumferentially positioned hole corresponding with the circumferentially positioned pin, it is described
At least two flexible lock pin arc plates, at least two bullets are circumferentially evenly equipped with along the circumferentially positioned hole inner wall in circumferentially positioned hole
Property lock pin arc plate between constitute lock pin space, the end of the circumferentially positioned pin is fixed with the cone that can be inserted into the lock pin space
Shape positioning region.
It further includes being arranged on the angle casing that the circumferential direction, which is bonded device, as a preferred technical solution,
Stop mounting hole, circumferential latch is slidably fitted in the stop mounting hole, and the main shaft housing is equipped with along the driving
The cross section of the circumferential locking groove that main shaft is radially arranged, the circumferential direction locking groove is arranged in back taper；The circumferential direction latch
Outer end is equipped with the taper retainer with the circumferential locking groove cooperation；Between the circumferential direction latch and the stop mounting hole
Equipped with overhanging force application spring, the circumferential direction latch is equipped with overhanging retention bead, and the inner wall of the stop mounting hole is equipped with
Raised sliding slot corresponding with the overhanging retention bead, the protrusion sliding slot are set on the side in stop mounting hole aperture
There is overhanging limit end face.
The transmission main shaft is equipped with rotation clutch fin as a preferred technical solution, and the protrusion sliding slot is connected to institute
The mounting hole of stop mounting hole and the transmission main shaft is stated, the rotation clutch fin, which is equipped with, is located at the overhanging limit end face
The transmission shaft clutch slot of inside, the overhanging retention bead stretching raised sliding slot, which is equipped with, can stretch to the transmission shaft clutch
Transmission clutch protrusion in slot.
The center attachment device includes that the center company of the transmission main shaft end is arranged in as a preferred technical solution,
Connect cylinder, the driving spindle are equipped with cylindrical central sleeve corresponding with the center connecting cylinder, the transmission main shaft and the driving
Rotation connection pin and/or rotation connection key are equipped between main shaft.
By adopting the above-described technical solution, the clamping of corner of the present invention clamping cylinder make it is described it is axial be pressed against end face with
The cooperation of axially position end face tight abutment, and the center of gravity of the angle head is located in the pressing triangle, may make angle
Head is spent in axial quick stable connection, avoids circular runout caused by angle head generates after axis deviation because of self weight.It is described to change
Knife escape port can facilitate rotation tool changing tool arm to carry out tool changing, and the cooperation of the circumferentially positioned pin and the circumferential latch can be quick
Circumferential stable connection is completed, the circumferential of angle head is avoided and shakes.The present invention is not only convenient for disassembly and assembly in this way, but also positions quickly quasi-
Really, connection accuracy is high.
Detailed description of the invention
The following drawings are only intended to schematically illustrate and explain the present invention, not delimit the scope of the invention.Wherein:
Fig. 1 is the status diagram after the assembly of angle head of the embodiment of the present invention；
Fig. 2 is the positive structure diagram of main shaft housing of the embodiment of the present invention, does not illustrate angle head in figure；
Fig. 3 is the A-A structural schematic diagram of Fig. 2；
Stereoscopic-state schematic diagram when Fig. 4 is main shaft housing of the embodiment of the present invention non-setting angle casing；
Fig. 5 is the schematic perspective view of angle casing of the embodiment of the present invention；
Fig. 6 is the structural schematic diagram that triangle and tool changing escape port are pressed against on angle casing of the embodiment of the present invention, in figure in
Heart line illustrates the center of gravity of angle head, illustrates to be pressed against triangle with dotted line.
In figure: 1- rotates tool changing tool arm；2- angle casing；20- is axially pressed against end face；The circumferentially positioned pin of 21-；22- cone
Shape positioning region；23- circumferential direction latch；24- taper retainer；The overhanging force application spring of 25-；26- protrusion sliding slot；The overhanging limit of 27-
Protrusion；28- is driven clutch protrusion；29- clamps pressing portion；3- transmission main shaft；31- rotates clutch fin；32- transmission shaft clutch
Slot；4- main shaft housing；40- axially position end face；The circumferentially positioned hole 41-；42- flexible lock pin arc plate；43- circumferential direction locking groove；5-
Driving spindle；6- corner clamps cylinder；7- tool changing escape port；71- is pressed against triangle.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention is further explained.In the following detailed description, only pass through explanation
Mode describes exemplary embodiment of the invention.Undoubtedly, those skilled in the art will recognize, not inclined
In the case where from the spirit and scope of the present invention, the described embodiments may be modified in various different ways.Cause
This, attached drawing and description are regarded as illustrative in nature, and are not intended to limit the scope of the claims.
As Fig. 1 to Fig. 6 jointly shown in, horizontal Machining centers angle head high-precision connection structure, including be rotatably installed in
Driving spindle 5 in main shaft housing 4 and the transmission main shaft 3 being rotatably installed in angle casing 2, the transmission main shaft 3 and institute
It states and is equipped with center attachment device between driving spindle 5.The main shaft housing 4, the connection of the driving spindle 5 and the angle
The connection for spending casing 2 and the transmission main shaft 3 is existing well-known technique, and details are not described herein.The center attachment device
Center connecting cylinder including 3 end of transmission main shaft is arranged in, the driving spindle 5 are equipped with and the center connecting cylinder pair
The cylindrical central sleeve answered, preferably of course the center connecting cylinder is set as conically shaped, the transmission main shaft 3 and the driving spindle
It is equipped with rotation connection pin and/or rotation connection key between 5, is connected by pin key so that the transmission main shaft 3 can be with the driving
Main shaft 5 is rotated.The setting of the center attachment device is also existing well-known technique, and details are not described herein.
As shown in Figure 5 and Figure 6, it is set on the angle casing 2 and is pressed against end face 20 there are three axial, wherein described in adjacent two
Axial be pressed against between end face 20 is equipped with tool changing escape port 7, and three axial centers for being pressed against end face 20 surround pressing triangle
71, the center of gravity of angle head is located in the pressing triangle 71.Angle casing 2 is not only equipped with transmission main shaft 3, also installation axle
It holds, gear, cutter connection structure etc., this makes the whole center of gravity of angle head generally can not be with the axle center of the transmission main shaft 3 weight
Close, the center of gravity of angle head described in certain the present embodiment be based on from the point of view of a certain section vertical with 3 axis of transmission main shaft,
The center of gravity of angle head can be held very much using the methods of suspension method to be obtained.The center of gravity of the angle head is placed in the pressing triangle 71
It is interior, it may make based on three axial end faces 20 of being pressed against in the more uniform force of angle head center of gravity periphery formation, often
The straight line two sides that item passes through the angle head center of gravity are supported with the presence of the axial pressing for being pressed against end face 20, can guarantee in this way
The angle casing 2, can be very firm and accurate after being pressed against in the main shaft housing 1, has prevented angle head completely
It is self-possessed inclined generation, circular runout when so as to avoid angle head work.And the setting of the tool changing escape port 7 can not shadow
The work of the rotation tool changing tool arm 1 is rung, the present embodiment is illustrated at the longest edge for being pressed against triangle 71 as the tool changing
Escape port 7.The present embodiment can solve Japanese horizontal Machining centers and axial accurate connection had both been needed to avoid radial direction by above structure
Bounce needs that it is cooperated to rotate the status that tool changing tool arm 1 carries out replacement angle head again, has high promotional value.More preferably
, the unfaithful intention for being pressed against triangle 71 is overlapped setting with the center of gravity of the angle head, and the connection of such angle casing 2 is more steady
Gu and accurate.
Certainly invent it is without being limited thereto, may be alternatively provided as four it is described it is axial be pressed against end faces 20, at the tool changing escape port 7
Long side be respectively individual vertex, four axial pressures with axial end face 20 of being pressed against described in other two wherein on one side
Two pressing triangles 71 can be formed by end face 20, the center of gravity of the angle head is located at least in a wherein pressing triangle
In shape 71.There are wherein three axial pressing triangles 71 that end faces 20 are constituted and described of being pressed against provided of course that meeting
The center of gravity of angle head is located in the pressing triangle 71, and this technical solution is regarded as within that scope of the present invention.
The main shaft housing 4 is equipped with and the axial pressing one-to-one axially position end face 40 in end face 20, this reality
It applies to set on the illustration meaning angle casing 2 and is axially pressed against end face 20 there are three described.The present embodiment is in the angle casing 2
End face on fixed setting three is axial is pressed against nail, the axial end face for being pressed against nail be it is described it is axial be pressed against end face 20, it is right
Three axially position nails are fixedly installed in the main shaft housing 4 answered, the end face of the axially position nail is that the axial direction is fixed
Position end face 40.
It is located at each axially position end face 40 in the main shaft housing 4 and is respectively equipped with corner clamping cylinder 6, the angle
Casing 2 is equipped with clamps pressing portion 29 with the piston rod end of corner clamping cylinder 6 correspondingly.The present embodiment be
The corner clamping cylinder 6 is fixedly installed on the outer peripheral surface of the main shaft housing 4, preferably of course, the corner clamping cylinder 6 is located at
Corresponding axially position end face 40 is arranged along the radial outside of the driving spindle 5.The corner clamping cylinder 6 is the prior art,
It is mainly that piston rod end is arranged radially a gripper jaw, and gripper jaw can carry out certain angle after piston rod stretches out certain length
Deflection, so that gripper jaw can be pressed against the angle casing 2.The clamping cylinder 6 of corner described in the present embodiment can be used
Hydraulic cylinder can also be used in cylinder.Clamping pressing portion 29 described in the present embodiment is to be arranged on 2 outer peripheral surface of angle casing
Annular is pressed against protrusion, and the clamping control of the corner clamping cylinder 6 generallys use reversal valve, stretches controlling the corner clamping cylinder 6
Out and after gripper jaw crosses the clamping pressing portion 29, gripper jaw rotational angle, moment carries out commutation control, and gripper jaw can press
It leans against in the clamping pressing portion 29；When retracting, first controlling the piston rod stretching makes gripper jaw release pressing, then slowly
It controls piston rod to withdraw, that is, is retracted after may make gripper jaw elder generation corner.The structural principle of above-mentioned corner clamping cylinder 6 is existing known
Technology, details are not described herein.
It is equipped between the angle casing 2 and the main shaft housing 4 and is circumferentially bonded device.The circumferential direction is firm to be connected
Connection device includes the circumferentially positioned pin 21 being arranged on the angle casing 2 and is fixed in the main shaft housing 4
And circumferentially positioned hole 41 corresponding with the circumferentially positioned pin 21, certain circumferentially positioned pin 21 should be with the angle head center of gravity
Equally it is located at the same side of the tool changing escape port 7, circumferentially positioned pin 21 is facilitated not interfere the tool changing of rotation tool changing tool arm 1.Institute
It states in circumferentially positioned hole 41 and is circumferentially evenly equipped at least two flexible lock pin arc plates 42 along circumferentially positioned 41 inner wall of hole, at least two
Lock pin space is constituted between a flexible lock pin arc plate 42, the end of the circumferentially positioned pin 21 is fixed with pluggable described
The taper positioning region 22 in lock pin space.The present embodiment is shown in the circumferentially positioned hole 41 and is fixedly mounted made of a spring steel
Barrel is formed the flexible lock pin arc plate 42 after the outer end fluting of lock pin cylinder by lock pin cylinder, and the present embodiment illustrates the elasticity
Lock pin arc plate 42 is four.After the lock pin space is inserted into the taper positioning region 22, the taper positioning region 22 even after
Come circumferentially positioned 21 part of pin, the flexible lock pin arc plate 42 can be strutted, be brought to abutment against the circumferentially positioned hole 41
Inner wall on, elastic clamping contact can avoid the appearance in gap, to avoid shaking, facilitate to be formed it is stable circumferentially positioned.
The present embodiment is arranged circumferentially positioned piece in the main shaft housing 4, the described circumferentially positioned piece upper setting circumferentially positioned hole 41.
It further includes the stop mounting hole being arranged on the angle casing 2 that the circumferential direction, which is bonded device, described to stop
It is slidably fitted with circumferential latch 23 in dynamic mounting hole, the certainly described circumferential latch 23 also should be as the angle head center of gravity
Positioned at the same side of the tool changing escape port 7.The main shaft housing 4 is equipped with the circumferential direction radially arranged along the driving spindle 5
The cross section of locking groove 43, the circumferential direction locking groove 43 is arranged in back taper.The present embodiment is solid equally in the main shaft housing 4
Dingan County fills circumferential scotch, and the circumferential locking groove 43 is arranged on the circumferential direction scotch.The outer end of the circumferential direction latch 23
Portion is equipped with the taper retainer 24 cooperated with the circumferential locking groove 43, i.e., the longitudinal section of the described taper retainer 24 is the same as the week
Match to the back taper of locking groove 43.Preferably of course, the end diameter of the taper retainer 24 is greater than the circumferential direction and stops
The slot bottom width of dynamic slot 43, can avoid in this way the taper retainer 24 excessively extend to the circumferential locking groove 43 slot bottom and shadow
Ring its precision connection.
Overhanging force application spring 25, the circumferential direction latch are equipped between the circumferential direction latch 23 and the stop mounting hole
23 are equipped with overhanging retention bead 27, and the inner wall of the stop mounting hole is equipped with corresponding convex with the overhanging retention bead 27
Sliding slot 26 is played, the protrusion sliding slot 26 is equipped with overhanging limit end face close to the side in stop mounting hole aperture.Pass through institute
It states overhanging force application spring 25 and is supplied to and drive the circumferential outwardly directed power of latch 23, so that the taper retainer 24 can
It is more securely caught in the circumferential locking groove 43, and because of the presence of spring force, the taper retainer 24 can stop with the circumferential direction
Dynamic 43 two sides of slot can form contact effectively, and the connection of the taper retainer 24 and the circumferential locking groove 43 more may be used
It leans on, and complementary effect can be formed with the resilient clamp of the annular clamp pin elastic slice 42, realizing axial fast precise company
It can avoid angle head while connecing circumferentially to shake.
Transmission main shaft 3 described in the present embodiment is equipped with rotation clutch fin 31, and the protrusion sliding slot 26 is connected to the stop
The mounting hole of mounting hole and the transmission main shaft 3, the present embodiment signal raised sliding slot 26 are set along 3 radial direction of transmission main shaft
It sets.The rotation clutch fin 31 is equipped with the transmission shaft clutch slot 32 being located on the inside of the overhanging limit end face, the present embodiment
Illustrating the transmission shaft clutch slot 32 is the notch being arranged on rotation 31 outer peripheral surface of clutch fin.The overhanging limit convex
It plays 27 and stretches out the raised sliding slot 26 equipped with the transmission clutch protrusion 28 that can be stretched in the transmission shaft clutch slot 32.Work as angle
When head is not installed, the circumferential direction latch 23 keeps overhanging under the action of overhanging force application spring 25, the transmission clutch
Protrusion 28 follows the circumferential latch 23 overhanging and is caught in the transmission shaft clutch slot 32, such angle casing 2 and described
Transmission main shaft 3 can synchronous rotary, that is, realize relatively fixed.The transmission clutch protrusion 28 and the transmission shaft clutch slot 32
Cooperation can be played and be bonded device in circumferential direction to the center attachment device and the axial pressing end face 20, the circumferential direction
The effect of upper positioning facilitates angle head entirety quick assembling.It is the center attachment device, described when angle head is assembled
Axial end face 20, the circumferentially positioned pin 21 and the circumferential latch 23 of being pressed against carries out cooperation assembly, the taper stop
By the pressing of the circumferential locking groove 43 behind portion 24 and the circumferential assembly of locking groove 43, the circumferential direction latch 23 is retracted, institute
It states transmission clutch protrusion 28 and exits the transmission shaft clutch slot 32, the transmission main shaft 3 can realize phase with the angle casing 2
To rotation, the angle casing 2 described in this way is connected by precision, and the transmission main shaft 3 can follow the driving spindle 5 to be processed
Operation kills two birds with one stone.The present embodiment illustrates 32 groove width of transmission shaft clutch slot equal to the groove width of the raised sliding slot 26, described
Transmission clutch protrusion 28 stretches out the end of the raised sliding slot 26 as the overhanging retention bead 27.
For the present invention in angle of assembling head, the rotation tool changing tool arm 1 grabs angle head from the tool changing escape port 7, when
So the conventional angle casing 2 or the transmission main shaft 3 connect equipped with crawl corresponding with the rotation tool changing tool arm 1
Socket part, the rotation tool changing tool arm 1 rotate to the angle head of crawl at the main shaft housing 4, and to 4 axis of main shaft housing
To inserting, the transmission main shaft 3 gradually cooperates to the driving spindle 5, and the circumferential direction latch 23 is inserted into the circumferential stop
Slot 43 carries out circumferential stop, and the circumferentially positioned pin 21 is inserted into the circumferentially positioned hole 41 and carries out resilient clamp positioning, the axis
It is resisted against on the corresponding axially position end face 40 to end face 20 is pressed against, so far the circumferential accurate connection of angle head；The corner
It clamps cylinder 6 to stretch out, and angle casing 2 is exerted a force to the main shaft housing 4 using the clamping pressing portion 29 and forms clamping, institute
Stating axial end face 20 of being pressed against can be against tight, the so far axial accurate connection of angle head with the corresponding axially position end face 40.
The clamping of the corner clamping cylinder 6 cooperates the axial end face 20 of being pressed against with 40 tight abutment of axially position end face, and
The center of gravity of the angle head is located in the pressing triangle 71, may make angle head in axial quick stable connection, avoids
Angle head because self weight generate axis deviation after caused by circular runout.The tool changing escape port 7 can facilitate rotation tool changing tool arm 1 into
Circumferential stable connection can be rapidly completed in the cooperation of row tool changing, the circumferentially positioned pin 21 and the circumferential latch 23, avoid
The circumferential of angle head shakes.The present invention is not only convenient for disassembly and assembly but also fast and accurate for positioning in this way, and it is existing that connection accuracy is high
The disruptive technology of Japanese horizontal Machining centers angle head connection, has high promotional value.
The above shows and describes the basic principle, main features and advantages of the invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (6)
1. horizontal Machining centers angle head high-precision connection structure, including the driving spindle that is rotatably installed in main shaft housing and
The transmission main shaft being rotatably installed in angle casing is equipped with center connection dress between the transmission main shaft and the driving spindle
It sets, it is characterised in that: set on the angle casing and be pressed against end face there are three axial, wherein the adjacent two axial pressing end faces
Between be equipped with tool changing escape port, three axial centers for being pressed against end faces surround pressing triangle, and the center of gravity of angle head is located at
In the pressing triangle；The main shaft housing, which is equipped with, is axially pressed against the one-to-one axially position end face in end face with described,
It is located at each axially position endface in the main shaft housing and is respectively equipped with corner clamping cylinder, the angle casing is equipped with
Pressing portion is clamped correspondingly with the piston rod end of corner clamping cylinder；The angle casing and the main shaft housing
Between be equipped with the circumferential device that is bonded.
2. horizontal Machining centers as described in claim 1 angle head high-precision connection structure, it is characterised in that: the pressing
Circumcentre of a triangle is overlapped setting with the center of gravity of the angle head.
3. horizontal Machining centers as described in claim 1 angle head high-precision connection structure, it is characterised in that: the circumferential direction
Device is bonded to include the circumferentially positioned pin being arranged on the angle casing and be fixed at the main shaft housing
Circumferentially positioned hole upper and corresponding with the circumferentially positioned pin, along the circumferentially positioned hole inner wall circumferential direction in the circumferentially positioned hole
At least two flexible lock pin arc plates are evenly equipped with, constitute lock pin space, the circumferential direction between at least two flexible lock pin arc plates
The end of positioning pin is fixed with the taper positioning region that can be inserted into the lock pin space.
4. horizontal Machining centers as claimed in claim 3 angle head high-precision connection structure, it is characterised in that: the circumferential direction
Being bonded device further includes the stop mounting hole being arranged on the angle casing, is slidably installed in the stop mounting hole
There is circumferential latch, the main shaft housing is equipped with the circumferential locking groove radially arranged along the driving spindle, and the circumferential direction is stopped
The cross section of dynamic slot is arranged in back taper；The outer end of the circumferential direction latch is equipped with the taper with the circumferential locking groove cooperation
Retainer；It is equipped with overhanging force application spring between the circumferential direction latch and the stop mounting hole, is set on the circumferential direction latch
There is overhanging retention bead, the inner wall of the stop mounting hole is equipped with raised sliding slot corresponding with the overhanging retention bead, institute
It states raised sliding slot and is equipped with overhanging limit end face close to the side in stop mounting hole aperture.
5. horizontal Machining centers as claimed in claim 4 angle head high-precision connection structure, it is characterised in that: the transmission
Main shaft is equipped with rotation clutch fin, and the protrusion sliding slot is connected to the mounting hole of the stop mounting hole and the transmission main shaft,
The rotation clutch fin is equipped with the transmission shaft clutch slot being located on the inside of the overhanging limit end face, the overhanging retention bead
It stretches out the raised sliding slot and is equipped with the transmission clutch protrusion that can be stretched in the transmission shaft clutch slot.
6. horizontal Machining centers according to any one of claims 1 to 5 angle head high-precision connection structure, special
Sign is: the center attachment device includes the center connecting cylinder that the transmission main shaft end is arranged in, in the driving spindle
Equipped with cylindrical central sleeve corresponding with the center connecting cylinder, rotation connection is equipped between the transmission main shaft and the driving spindle
Pin and/or rotation connection key.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111250738A (en) * | 2020-03-30 | 2020-06-09 | 北京博鲁斯潘精密机床有限公司 | High-rigidity high-precision numerical control machine tool spindle connecting structure |
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| CN111250738B (en) * | 2020-03-30 | 2024-06-11 | 北京博鲁斯潘精密机床有限公司 | High-rigidity high-precision numerical control machine tool spindle connection structure |
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| CN110039094B (en) | 2024-05-24 |
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