CN107442786A - Main shaft Z-direction adjusting part with threading protection mechanism - Google Patents
Main shaft Z-direction adjusting part with threading protection mechanism Download PDFInfo
- Publication number
- CN107442786A CN107442786A CN201710633096.9A CN201710633096A CN107442786A CN 107442786 A CN107442786 A CN 107442786A CN 201710633096 A CN201710633096 A CN 201710633096A CN 107442786 A CN107442786 A CN 107442786A
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- China
- Prior art keywords
- headstock
- perforate
- saddle
- main shaft
- outer cover
- Prior art date
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Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/08—Protective coverings for parts of machine tools; Splash guards
Abstract
The invention provides a kind of main shaft Z-direction adjusting part of band threading protection mechanism, threading protection mechanism and main shaft Z-direction adjusting part are included；Main shaft Z-direction adjusting part includes headstock, main shaft, saddle and connector；Threading protection mechanism includes outer cover and threading structure；Outer cover includes headstock outer cover and saddle outer cover；Headstock outer cover, saddle outer cover are connected to headstock, on saddle；Headstock includes rotation section and axle installation portion；Axle installation portion, rotation section are respectively arranged with the first headstock perforate, the second headstock perforate；Saddle includes casing；The first saddle perforate and the second saddle perforate are provided with casing；Connector includes first connecting portion and second connecting portion；First connecting portion, second connecting portion are connected with headstock, saddle respectively；Main shaft includes tool mounting portion, the shaft shoulder, penetrates portion.The present invention realizes swing function easily by torque motor or gear structure, simple in construction, applied widely.
Description
Technical field
The present invention relates to Digit Control Machine Tool accessories field, in particular it relates to a kind of main shaft Z-direction of band threading protection mechanism
Adjusting part.
Background technology
In Digit Control Machine Tool, main shaft is arranged on main shaft headstock, can realize that main shaft is vacillated now to the left, now to the right function by wobble heads.
When main shaft swings, connecting the lead of main shaft can move with the motion of main shaft, and the length of time one can cause wire body to be ground
The problems such as damage, bending, winding, and then influence the work of main shaft.In the prior art, the main shaft lead of Digit Control Machine Tool is exposed outside,
It is not effectively protected and is separated, be easy to cause to wear or wind in use, and then reduce operating efficiency, influences lathe
Service life.
Patent document CN203751808U provides a kind of swinging structure of machine tool chief axis, including main shaft, main shaft pass through Z axis
Guide rail support is in the front end face of column, it is characterised in that：The rear end face of the main shaft is fastened with central shaft, and the central shaft stretches into
In wobble heads pedestal, the wobble heads pedestal is fastenedly connected the wobble heads interface seat of rear end face, after the seat of the wobble heads interface
End face is disposed with four linear sliders, and the linear slider is supported on the Z axis guide rail of the corresponding main shaft, the center axle position
Turbine is set with the interior section of the wobble heads pedestal, the wobble heads pedestal is fastenedly connected servomotor, the servo
The output end of motor is connected with worm screw, and the worm screw is stretched into the wobble heads pedestal, the worm screw, the corresponding teeth groove of turbine
Engagement connection, the outer toroid surface cover of the central shaft are equipped with ring-shaped bearing seat.According to the patent document readme, it causes spindle swing
Precision it is high, and stability during assurance mechanism mass motion.But the structure that the patent document provides is driven using servomotor
Dynamic, Worm Wheel System realizes spindle swing, not only complicated, and servomotor meeting rotating speed decline in torque increase
Problem；In addition, the patent document does not provide main shaft pilot protection structure yet.
The content of the invention
For in the prior art the defects of, it is an object of the invention to provide a kind of band threading protection mechanism main shaft Z axis side
To adjusting part.
The main shaft Z-direction adjusting part of protection mechanism is threaded according to band provided by the invention, includes threading protection mechanism
With main shaft Z-direction adjusting part；
The main shaft Z-direction adjusting part includes headstock, main shaft, saddle and connector；
The threading protection mechanism includes outer cover and threading structure；
Outer cover includes headstock outer cover and saddle outer cover；
Headstock outer cover, saddle outer cover are connected to headstock, on saddle；
The threading structure both ends are connected with headstock outer cover, saddle outer cover respectively；
Headstock includes rotation section and axle installation portion；
Rotation section is integrally formed or is fastenedly connected with axle installation portion；Axle installation position is in the front end of rotation section；
The first headstock perforate is provided with axle installation portion, the first headstock perforate is along logical on axle installation portion axial direction
Hole；
The second headstock perforate is provided with rotation section, the second headstock perforate runs through rotation section rear end along rotation section is axially extending
Face；
Saddle includes casing；Casing upper surface is provided with the first saddle perforate, and space where the first saddle perforate, which is formed, to hold
Thing portion；
Casing front end face is provided with boss；Boss front end face is provided with the second saddle perforate；
Second saddle perforate connects through cabinet exterior face with tolerant portion；
Connector includes first connecting portion and second connecting portion；First connecting portion is rotatably connected with second connecting portion；
First connecting portion, second connecting portion are connected with headstock, saddle respectively；
Main shaft includes tool mounting portion, the shaft shoulder, penetrates portion；Tool mounting portion, the shaft shoulder, portion is penetrated along lower end to upper extreme direction
It is sequentially connected；
Penetrate portion and load the first headstock perforate from the first headstock perforate lower end；
The shaft shoulder is fastenedly connected with axle installation portion lower surface.
Preferably, threading structure includes sizing airduct, connecting seat and bearing assembly；
Connecting seat includes tube head fixed seat and movable steering base；Tube head fixed seat is fastenedly connected with movable steering base；
The both ends of sizing airduct are connected with tube head fixed seat, saddle outer cover respectively；
Movable steering base is connected with headstock outer cover by bearing assembly；
Bearing assembly includes bearing wedge, bearing rotary seat and thrust bearing；
Bearing wedge, bearing rotary seat are fastenedly connected with headstock outer cover, movable steering base respectively；
Annular article containing space is formed between bearing wedge and bearing rotary seat；
The thrust bearing is arranged in annular article containing space.
Preferably, the shape of cross section of bearing wedge and bearing rotary seat is L-shaped；
Annular groove is provided with bearing wedge and/or bearing rotary seat；
Bearing assembly also includes sealing ring；
The sealing ring is arranged in annular groove；
Sealing ring touches with bearing wedge, bearing rotary seated connection simultaneously；
Threading structure also includes tapping block；Tapping block is fastenedly connected with headstock outer cover；Bearing assembly nesting is arranged on separated time
On seat.
Preferably, it is provided with the 3rd headstock perforate on the bottom hole face of the second headstock perforate；
The 3rd headstock perforate connects the first headstock perforate and the second headstock perforate；
The 3rd headstock perforate is stepped hole；
The first headstock screwed hole is provided with the step surface of 3rd headstock perforate；
The second headstock screwed hole is provided with the end face of the one end of axle installation portion in axial direction；
Along in the projection of rotation section axial direction, rotation section outline covering axle installation portion outline.
Preferably, the first headstock perforate includes the first hole section, relief groove and the second hole section；
First hole section, relief groove, the second hole section are set gradually along lower end to upper extreme direction；
First hole section and main shaft interference fits；
Second hole section coordinates with gap of main reinforcement.
Preferably, the portion of penetrating includes built-in portion and shield connecting portion；
The built-in portion is located in the first headstock perforate；
Shield connecting portion reaches the first headstock perforate upper end through the first headstock perforate；
Tool changing aligning guide is provided with shield connecting portion wall.
Preferably, headstock also includes sealing plate；
Assembling sealing station is provided with the outside wall surface of axle installation portion front end；
Assemble and be provided with the 4th headstock perforate on the front end face of sealing station；The 4th headstock perforate and the first headstock perforate
Connection；
The front end face for assembling sealing station is plane；Sealing plate is securedly mounted to assemble on the front end face of sealing station；
Along in the projection of rotation section axial direction, the first headstock screwed hole is located in the contour line of the 4th headstock perforate.
Preferably, the saddle also includes sliding panel, screw mandrel connecting portion and reinforcing plate；
Along the longitudinal direction in projection, sliding panel is from the first saddle perforate side hole end surface, along casing lateral surface circumferential direction
Extend up to the first saddle perforate opposite side hole end surface；Casing is fastenedly connected with sliding panel；
Screw mandrel connecting portion is arranged on the rear end face of casing；
Reinforcing plate shape of cross section is triangle；Reinforcing plate connects casing and sliding panel.
Preferably, the left side of casing, right side and lower surface junction form transition part, and the transition part is round and smooth to be prolonged
Stretch；
Along the longitudinal direction in projection, sliding panel is in rectangular shape of the upper end with U-shaped groove；
The U-shaped groove is connected everywhere with cabinet exterior face；
The boss includes round boss；
Second saddle perforate is stepped hole；Second saddle perforate is along rear end to preceding extreme direction aperture increases；
Round boss and transition part arranged concentric；
Sliding panel includes sticking part；
Limiting through hole is provided with the sticking part；
On sliding panel front end face, sticking part is concordant with sliding panel other parts；
On sliding panel rear end face, sticking part is higher than sliding panel other parts.
Preferably, limited location beam is set in tolerant portion；
Spacing beam includes the first spacing beam and the second spacing beam；
First spacing beam is connected with the second spacing beam perpendicular fastener；
Guiding mounting groove is provided with casing front inner surface, one end of the second spacing beam is slided with the guiding mounting groove
Connection；
Along the vertical direction in projection, tolerant part is cut into the first cavity and the second cavity by the first spacing beam；
Reinforcement is provided with the internal face of first cavity.
Compared with prior art, the present invention has following beneficial effect：
1st, the present invention realizes swing function easily by torque motor or gear structure, simple in construction, applied widely；
It is easily assembled, while is also convenient for carrying out detachable maintaining maintenance；
2nd, main shaft lead passes sequentially through headstock outer cover, threading structure, saddle outer cover in the present invention, prevents from exposed making outside
Worn into wire body, while multiple holes are provided with the tapping block of threading structure, lead can be classified and arranged；
3rd, the present invention carries out the fixation of fore-and-aft direction by bearing wedge to connecting seat, when spindle swing, can realize
Connecting seat slight oscillatory is not swung even, and wire body is played a protective role, and avoids wire body that winding etc. occurs because windup-degree is excessive
Problem；
4th, bearing wedge can prevent the liquid such as water, oil from entering with the sealing ring on bearing rotary seat, can prevent bearing
Getting rusty influences bearing accuracy；
5th, the present invention connects compact firm, good appearance.
Brief description of the drawings
The detailed description made by reading with reference to the following drawings to non-limiting example, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is stereogram of the present invention；
Fig. 2 is front view of the present invention；
Fig. 3 is main shaft Z-direction adjusting part stereogram；
Fig. 4 is main shaft Z-direction adjusting part front view；
Fig. 5 is main shaft Z-direction adjusting part top view；
Fig. 6 is main shaft Z-direction adjusting part rearview；
Fig. 7 is main shaft Z-direction adjusting part left view；
Fig. 8 is main shaft Z-direction adjusting part left view profile；
Fig. 9 is headstock left view profile；
Figure 10 is saddle left view profile；
Figure 11 is that thrust bearing installs enlarged drawing
Shown in figure：
1 shaft shoulder of headstock, 22 spacing beam 36
Axle installation portion 11 penetrates 23 first spacing beam 361 of portion
The built-in trapezoidal groove 3610 of portion 24 in rotation section 12
Assemble 13 shield connecting portion of sealing station, 25 second spacing beam 362
The screw mandrel connecting portion 37 of 14 first ladder section of extension 251
The reinforcement 38 of first headstock screwed hole, 15 second-order bench 252
The connector 4 of second the 3rd ladder section of headstock screwed hole 16 253
The first connecting portion 41 of 17 tool changing aligning guide of sealing plate 254
The second connecting portion 42 of first headstock perforate, 111 saddle 3
The casing 31 of relief groove 1111 threads protection mechanism 5
The saddle perforate 310 of first hole section 1,112 first sizing airduct 51
The sealing ring 52 of second hole section, 1,113 first cavity 3,101 first
The thrust bearing 53 of second 112 second cavity of headstock perforate 3102
The tube head fixed seat 54 of 3rd headstock perforate, 113 transition part 311
First step hole 1131 is oriented to the movable steering base 55 of mounting groove 312
The tapping block 56 of 1132 sliding panel of second step hole 32
The sealing ring 57 of 3rd stepped hole, 1133 sticking part 321 second
The bearing wedge 58 of 4th headstock perforate, 114 limiting through hole 3210
The headstock outer cover 511 of first camber line portion, 121 round boss 33
The saddle outer cover 512 of 122 second saddle perforate of straight line line department 330
The bearing rotary seat 513 of second camber line portion, 123 reinforcing plate 34
The column cap 514 of 2 fin of main shaft 35
Tool mounting portion 21
Embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
As shown in Figure 1 and Figure 2, in embodiment, main shaft Z-direction adjusting part provided by the invention includes headstock 1, main shaft
2nd, saddle 3, connector 4 and threading protection mechanism 5.The Z-direction be digit ctrol machine tool field in specific direction, i.e., perpendicular to
The direction of clamping workpiece plane, the cutter on main shaft can be closer or far from clamping workpiece plane along Z-direction.Wherein headstock 1
Comprising rotation section 12 and axle installation portion 11, rotation section 12 is integrally formed with axle installation portion 11, and axle installation position 11 is in rotation section 12
Front end, the first headstock perforate 111 is provided with axle installation portion 11, the first headstock perforate 111 is along the axial direction side of axle installation portion 11
Upward through hole, main shaft 2 include tool mounting portion 21, the shaft shoulder 22, penetrate portion 23；Tool mounting portion 21, the shaft shoulder 22, penetrate portion 23
It is sequentially connected along lower end to upper extreme direction, penetrates portion 23 and load the first headstock perforate 111 from the lower end of the first headstock perforate 111.Turn
The second headstock perforate 112 is provided with dynamic portion 12, the second headstock perforate 112 runs through rotation section rear end along rotation section 12 is axially extending
Face, the axially extending direction of the first headstock perforate 111 and the second headstock perforate 112 is mutually perpendicular to, and so in practical operation, is turned
The dynamic left-right rotation of portion 12, the main shaft 2 in the first headstock perforate 111 can also be waved, and complete processing.First headstock is opened
Hole 111 includes the first hole section 1112, the hole section 1113 of relief groove 1111 and second, the first hole section 1112, relief groove 1111, second
Hole section 1113 is set gradually along lower end to upper extreme direction.The threading protection mechanism 5 includes outer cover and threading structure, and outer cover includes
Headstock outer cover 511 and saddle outer cover 512, headstock outer cover 511, saddle outer cover 512 are connected to headstock 1, on saddle 3, described
Threading structure both ends are connected with headstock outer cover 511, saddle outer cover 512 respectively.In preference, rotation section 12 and axle installation portion 11 it
Between can also be fastenedly connected, but assembling can become more complicated.Preferably, the first headstock perforate 111 and the second headstock
Angle of the perforate 112 on axially extending direction can also be acute angle or obtuse angle, to process special structure, but actually make
It can also be realized in by adjusting angle that main shaft 2 fixes a cutting tool.
As shown in Figures 3 to 8, saddle 3 includes casing 31, and the upper surface of casing 31 is provided with the first saddle perforate 310, and first
The place space of saddle perforate 310 forms tolerant portion, and the front end face of casing 31 is provided with boss, and the boss is round boss 33, i.e.,
Shape of cross section is circle；The front end face of round boss 33 is provided with the second saddle perforate 330, and the second saddle perforate 330 runs through case
The outside wall surface of body 31 connects with tolerant portion.Connector 4 includes first connecting portion 41 and second connecting portion 42；First connecting portion 21 and
Two connecting portions 42 are rotatably connected, and the mode that is rotatably connected can be realized by using structures such as bearing, torque motors；
First connecting portion 41, second connecting portion 42 are arranged on the first headstock perforate 111, the second saddle perforate 330 with embedded mode respectively
In, then connected by fastener.
As shown in figure 9, the 3rd headstock perforate 113, the 3rd headstock perforate are provided with the bottom hole face of the second headstock perforate 112
113 be stepped hole, and the both ends of the 3rd headstock perforate 113 are respectively communicated with the first headstock perforate 111, the second headstock perforate 112,
It is provided with the first headstock screwed hole 15 on one step surface of three headstock perforates 113, in embodiment, along near-end to distal direction,
3rd headstock perforate 113 forms first step hole 1131, second step hole 1132, the 3rd stepped hole 1133, first step hole
1131st, second step hole 1132, the aperture of the 3rd stepped hole 1133 increase successively, the connection of the first headstock screwed hole 15 the 3rd
The headstock perforate 111 of stepped hole 1133 and first；First headstock screwed hole 15 is counter sink, and wherein countersunk head is located at the first perforate 111
Place side, counter sink are circumferentially uniformly arranged, the fastener such as mounting screw in the first headstock screwed hole 15, you can by headstock with
First connecting portion is fastened together.Assembling sealing station 13 is provided with the near-end outside wall surface of axle installation portion 11, assembles sealing station
The 4th headstock perforate 114 is provided with 13 proximal end face, the 4th headstock perforate 114 connects with the first headstock perforate 111,
On front view direction, the first screwed hole 15 is located in the contour line of the 4th headstock perforate 114, can so in assembling process
Fastener is screwed into the first headstock screwed hole 15 through the 4th headstock perforate 114, completes headstock 1 and the company of first connecting portion 41
Connect.The proximal end face for assembling sealing station 13 is the plane of rectangular shape, and a sealing plate 17 is fastenedly connected on the proximal end face, you can
First perforate 111 is realized and sealed, prevents scrap or dust from destroying structure therein into the first headstock perforate 111.Axle is installed
The second headstock screwed hole 16 is provided with the end face of the one end of portion 11 in axial direction, the installation for main shaft is fixed.Preference
In, the first headstock screwed hole 15 can also be tapped through hole, but after the fasteners such as screw are loaded, fastener tail end leaks outside
Face, the main shaft in the first headstock perforate 111 can be produced and scrape abrasion.Preferably, the cross section for assembling sealing station 13 can be with
It is the other shapes such as circle, ellipse.
As shown in figure 4, along in the projection of the axial direction of rotation section 12, the foreign steamer of the outline of rotation section 12 covering axle installation portion 11
It is wide.As shown in figure 5, the end face outline of axle installation portion 11 in axial direction includes the first camber line portion 121, straight line line department 122
And the second camber line portion 123, the first camber line portion 121, straight line line department 122, the second camber line portion 123 are sequentially connected.Axle installation portion
11 outside wall surfaces are provided with extension 14, and the extension 14 seamlessly transits with the outside wall surface of rotation section 12, and the structure causes the present invention
Dimensional structure is more reasonable, make it that profile is more attractive in appearance while proof strength.
In embodiment, saddle 3 also includes sliding panel 32, screw mandrel connecting portion 37 and reinforcing plate 34.Project along the longitudinal direction
On, sliding panel 32 extends up to the first saddle from the side hole end surface of the first saddle perforate 310 along the lateral surface circumferential direction of casing 31
The opposite side hole end surface of perforate 310, left side, right side and the lower surface junction of its middle case 31 form transition part 311, described
311 round and smooth extension of transition part, therefore projecting along the longitudinal direction, sliding panel 32 is in rectangular shape of the upper end with U-shaped groove,
On upper surface, casing 31 is concordant with sliding panel 32.Casing 31 is fastenedly connected with sliding panel 32, the groove bottom of the U-shaped groove with
The outside wall surface of casing 31 is connected everywhere, that is to say, that connected mode is continuous, and rounding off is simultaneously between casing 31 and sliding panel 32
It is provided with the reinforcing plate 34 that multiple cross sections are triangle.Screw mandrel connecting portion 37 is arranged on the rear end face of casing 31, and screw mandrel connects
Arc opening is provided with socket part 37, is used to screw mandrel be installed in arc opening, in left-right direction in projection, on screw mandrel connecting portion 37
End face tilts down on the direction from front end to rear end.In preference, the transverse cross-sectional shapes of the boss can also the side of being
Shape, but the shape of cross section of the second saddle perforate 330 need to ensure circle, for installing the rotation knot such as bearing or torque motor
Structure, but square boss outside wall surface is unfavorable for nesting to complete the rotation connection with other structures.Preferably, sliding panel 32 and case
Can also be between body 31 it is integrally formed, or both between can also be discrete connected mode such as intermittent weld.
As shown in Figure 10, the second saddle perforate 330 on round boss 33 is stepped hole, and the second saddle perforate 330 is along rear
Preceding extreme direction aperture increases are held, step is also machined with the radial outside of round boss 33, is advantageous between saddle 3 and headstock 1
Radial positioning, while screw can also be set on the step surface of the second saddle perforate 330, for saddle 3 and second connecting portion
It is fastenedly connected between 42.Round boss 33 and the arranged concentric of transition part 311 so that profile is more attractive in appearance.It is as shown in figure 3, tolerant
Limited location beam 36 is set in portion, and spacing beam 36 includes the first spacing 361 and second spacing beam 362 of beam, the first spacing beam 361 and the
Two spacing beams 362 are arranged vertically and are fastenedly connected, and are provided with the front inner surface of casing 31 and are oriented to mounting groove 312, second is spacing
One end of beam 362 slips into the guiding mounting groove 312 and completes installation.Along the longitudinal direction in projection, the first spacing upper surface of beam 361
Trapezoidal groove 3610 is provided with, the second spacing upper surface of beam 362 is concordant with the groove bottom of trapezoidal groove 3610.Throw along the vertical direction
On shadow, tolerant part is cut into the first cavity 3101 and the second cavity 3102, the inwall of the first cavity 3101 by the first spacing beam 361
Reinforcement 38 is provided with face.The spacing structure of beam 36 is advantageous to the structure in the second perforate 330, such as torque motor
It is preferably fixed, prevent skew and tremble situation.The reinforcement 38 is well word structure, excellent for increasing the intensity of casing 31
Selecting in example, reinforcement 38 can also be arranged in the first cavity 3101 and the second cavity 3102 simultaneously, but due to the second cavity
3102 spaces are smaller, and processing can become complicated.
As shown in Fig. 4, Fig. 6, sliding panel 32 includes sticking part 321, and limiting through hole is provided with the sticking part 321
3210, on the front end face of sliding panel 32, sticking part 321 is concordant with the other parts of sliding panel 32, on the rear end face of sliding panel 32, sticking part
321 are higher than the other parts of sliding panel 32.The contact that sticking part 321 is used between guide rail is positioned, and four are provided with embodiment
Sticking part 321, it is distributed on four angles of rectangular slide plate 32, six limiting through hole 3210 is provided with each sticking part 321.
Preferably of course, the number of sticking part 321 and the upper limit through hole 3210 of sticking part 321 can also be carried out according to actual use demand
Adjustment.As shown in figure 1, being additionally provided with fin 35 on the rear end face of casing 31, the fin 35 is vertically extending, includes two
Fin 35 is arranged symmetrically in left and right directions.Be additionally provided with stiffener on the front end face of casing 31, stiffener connection round boss 33 with
Casing 31, to strengthen the bending resistance of round boss 33.
As shown in figure 8, the portion 23 that penetrates of main shaft 2 includes built-in portion 24 and shield connecting portion 25, the built-in portion 24 is located at
In first headstock perforate 111；Shield connecting portion 25 reaches the upper end of the first headstock perforate 111 through the first headstock perforate 111；Shield
Tool changing aligning guide 254 is provided with the wall of connecting portion 25.Shield connecting portion 25 includes multi-diameter shaft, and the multi-diameter shaft includes first
Ladder section 251, the ladder section 253 of second-order bench 252 and the 3rd；First ladder section 251, second-order bench 252, the 3rd ladder
Section 253 is sequentially connected, and the diameter of axle is sequentially reduced；The tool changing aligning guide 254 is located at the near-end outside wall surface of the first ladder section 251
On.During use, when tool changing aligning guide 254 is in the angle position of setting, tool changing operation, therefore preference can be just carried out
In, the position of tool changing aligning guide 254 can be arranged in other positions, such as second-order bench 252 according to actual requirement, or
Person is located at the positions such as the left or right of the wall of shield connecting portion 25.
Threading structure includes sizing airduct 51, connecting seat, bearing assembly and tapping block 56, saddle outer cover 512, sizing wind
Pipe 51, connecting seat, bearing assembly, headstock outer cover 510 are sequentially connected, and in practical set, the lead for connecting main shaft sequentially passes through
Said structure, avoid exposed causing to wear outside.Connecting seat includes tube head fixed seat 54 and movable steering base 55, and tube head is fixed
Seat 54 is integrally formed or is fastenedly connected with movable steering base 55, and connecting seat has bending on length bearing of trend, and tube head is fixed
The end face and the end face of movable steering base 55 of seat 54 are vertically arranged.Tube head fixed seat 54 on saddle outer cover 512 with being provided with ring
Shape boss, for the nested encryptions between airduct 51 of shaping.Multiple axially extending bores are provided with tapping block 56, for main shaft
Line is split, and prevents from winding.Tapping block 56 includes seat body portion and seat afterbody.The diameter of seat afterbody is more than seat body portion diameter,
During assembling, the housing of headstock outer cover 511 is run through in seat body portion from the inside of headstock outer cover 511, in the perforate of arrival activity steering base 55,
Seat afterbody is then limited in the inside of headstock outer cover 511, and is fastenedly connected with headstock outer cover 511.In preference, the seat of tapping block 56
Afterbody can also be to be fastenedly connected with movable steering base 55, and seat body portion gap is arranged in headstock outer cover 511, but due to even
Joint chair is the structure for existing bending, is unfavorable for the installation of fastener.
As shown in figure 11, the bearing assembly includes thrust bearing 53, bearing wedge 58 and bearing rotary seat 513, axle
Pressure Block 58, bearing rotary seat 513 are fastenedly connected with headstock outer cover 511, movable steering base 55 respectively, and bearing rotary seat 513 is embedding
Set is on the outer side surface of tapping block 56.Bearing wedge 58, the shape of cross section of bearing rotary seat 513 are L-shaped, bearing pressure
Annular article containing space is formed between seat 58 and bearing rotary seat 513, the thrust bearing 53 is arranged in annular article containing space.Axle
Pressure Block 58 on bearing rotary seat 513 with being provided with annular groove, on section as shown in figure 11, the annular groove position
On the end face that L-shaped extends in a radial direction section, bearing wedge 58, bearing rotary seat 513 annular groove in be respectively arranged with
First sealing ring 52, the second sealing ring 57.The structure can complete the fixation in the longitudinal direction to connecting seat, when main shaft 1
During swing, it can realize that connecting seat slight oscillatory even portion is swung, wire body is played a protective role, while the setting of sealing ring,
It can prevent the liquid such as water, oil from entering, wall bearing rust influences bearing accuracy.In preference, the bearing assembly can be with
It is common roller bearing, the Internal and external cycle of roller bearing is attached with headstock outer cover 511, connecting seat respectively, but the structure
Easily cause the swing along roller bearing axial direction, and sealing it is difficult to ensure that, roller bearing is easily by water, oily pollution, very
Cause to wear to because scrap is entered.Preferably, the annular groove can also exist only in bearing wedge 58 or bearing rotation
On swivel base 513, installation is more convenient, but water still be present, oil enters the defects of bearing causes to get rusty.
As shown in figure 1, the outer cover also includes column cap 514, saddle 3 is described through being arranged on saddle outer cover 512
On column cap 514, the shape of cross section of column cap 514 is C-shaped.Column cap 514 is advantageous to the main shaft to being penetrated along saddle 3
Lead is protected.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.In the case where not conflicting, the feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (10)
1. a kind of main shaft Z-direction adjusting part of band threading protection mechanism, it is characterised in that include threading protection mechanism and master
Axle Z-direction adjusting part；
The main shaft Z-direction adjusting part includes headstock, main shaft, saddle and connector；
The threading protection mechanism includes outer cover and threading structure；
Outer cover includes headstock outer cover and saddle outer cover；
Headstock outer cover, saddle outer cover are connected to headstock, on saddle；
The threading structure both ends are connected with headstock outer cover, saddle outer cover respectively；
Headstock includes rotation section and axle installation portion；
Rotation section is integrally formed or is fastenedly connected with axle installation portion；Axle installation position is in the front end of rotation section；
The first headstock perforate is provided with axle installation portion, the first headstock perforate is along the through hole on axle installation portion axial direction；
The second headstock perforate is provided with rotation section, the second headstock perforate runs through rotation section rear end face along rotation section is axially extending；
Saddle includes casing；Casing upper surface is provided with the first saddle perforate, and space forms tolerant portion where the first saddle perforate；
Casing front end face is provided with boss；Boss front end face is provided with the second saddle perforate；
Second saddle perforate connects through cabinet exterior face with tolerant portion；
Connector includes first connecting portion and second connecting portion；First connecting portion is rotatably connected with second connecting portion；
First connecting portion, second connecting portion are connected with headstock, saddle respectively；
Main shaft includes tool mounting portion, the shaft shoulder, penetrates portion；Tool mounting portion, the shaft shoulder, penetrate portion along lower end to upper extreme direction successively
Connection；
Penetrate portion and load the first headstock perforate from the first headstock perforate lower end；
The shaft shoulder is fastenedly connected with axle installation portion lower surface.
2. the main shaft Z-direction adjusting part of band threading protection mechanism according to claim 1, it is characterised in that threading
Structure includes sizing airduct, connecting seat and bearing assembly；
Connecting seat includes tube head fixed seat and movable steering base；Tube head fixed seat is fastenedly connected with movable steering base；
The both ends of sizing airduct are connected with tube head fixed seat, saddle outer cover respectively；
Movable steering base is connected with headstock outer cover by bearing assembly；
Bearing assembly includes bearing wedge, bearing rotary seat and thrust bearing；
Bearing wedge, bearing rotary seat are fastenedly connected with headstock outer cover, movable steering base respectively；
Annular article containing space is formed between bearing wedge and bearing rotary seat；
The thrust bearing is arranged in annular article containing space.
3. the main shaft Z-direction adjusting part of band threading protection mechanism according to claim 2, it is characterised in that bearing
The shape of cross section of wedge and bearing rotary seat is L-shaped；
Annular groove is provided with bearing wedge and/or bearing rotary seat；
Bearing assembly also includes sealing ring；
The sealing ring is arranged in annular groove；
Sealing ring touches with bearing wedge, bearing rotary seated connection simultaneously；
Threading structure also includes tapping block；Tapping block is fastenedly connected with headstock outer cover；Bearing assembly is nested to be arranged on tapping block.
4. the main shaft Z-direction adjusting part of band threading protection mechanism according to claim 1, it is characterised in that described
The 3rd headstock perforate is provided with the bottom hole face of second headstock perforate；
The 3rd headstock perforate connects the first headstock perforate and the second headstock perforate；
The 3rd headstock perforate is stepped hole；
The first headstock screwed hole is provided with the step surface of 3rd headstock perforate；
The second headstock screwed hole is provided with the end face of the one end of axle installation portion in axial direction；
Along in the projection of rotation section axial direction, rotation section outline covering axle installation portion outline.
5. the main shaft Z-direction adjusting part of band threading protection mechanism according to claim 1, it is characterised in that described
First headstock perforate includes the first hole section, relief groove and the second hole section；
First hole section, relief groove, the second hole section are set gradually along lower end to upper extreme direction；
First hole section and main shaft interference fits；
Second hole section coordinates with gap of main reinforcement.
6. the main shaft Z-direction adjusting part of band threading protection mechanism according to claim 1, it is characterised in that described
Penetrate portion and include built-in portion and shield connecting portion；
The built-in portion is located in the first headstock perforate；
Shield connecting portion reaches the first headstock perforate upper end through the first headstock perforate；
Tool changing aligning guide is provided with shield connecting portion wall.
7. the main shaft Z-direction adjusting part of band threading protection mechanism according to claim 1, it is characterised in that headstock
Also include sealing plate；
Assembling sealing station is provided with the outside wall surface of axle installation portion front end；
Assemble and be provided with the 4th headstock perforate on the front end face of sealing station；The 4th headstock perforate connects with the first headstock perforate
It is logical；
The front end face for assembling sealing station is plane；Sealing plate is securedly mounted to assemble on the front end face of sealing station；
Along in the projection of rotation section axial direction, the first headstock screwed hole is located in the contour line of the 4th headstock perforate.
8. the main shaft Z-direction adjusting part of band threading protection mechanism according to claim 1, it is characterised in that described
Saddle also includes sliding panel, screw mandrel connecting portion and reinforcing plate；
Along the longitudinal direction in projection, sliding panel extends from the first saddle perforate side hole end surface along casing lateral surface circumferential direction
Reach the first saddle perforate opposite side hole end surface；Casing is fastenedly connected with sliding panel；
Screw mandrel connecting portion is arranged on the rear end face of casing；
Reinforcing plate shape of cross section is triangle；Reinforcing plate connects casing and sliding panel.
9. the main shaft Z-direction adjusting part of band threading protection mechanism according to claim 8, it is characterised in that casing
Left side, right side and lower surface junction form transition part, the round and smooth extension of transition part；
Along the longitudinal direction in projection, sliding panel is in rectangular shape of the upper end with U-shaped groove；
The U-shaped groove is connected everywhere with cabinet exterior face；
The boss includes round boss；
Second saddle perforate is stepped hole；Second saddle perforate is along rear end to preceding extreme direction aperture increases；
Round boss and transition part arranged concentric；
Sliding panel includes sticking part；
Limiting through hole is provided with the sticking part；
On sliding panel front end face, sticking part is concordant with sliding panel other parts；
On sliding panel rear end face, sticking part is higher than sliding panel other parts.
10. the main shaft Z-direction adjusting part of band threading protection mechanism according to claim 1, it is characterised in that tolerant
Limited location beam is set in portion；
Spacing beam includes the first spacing beam and the second spacing beam；
First spacing beam is connected with the second spacing beam perpendicular fastener；
Guiding mounting groove is provided with casing front inner surface, one end of the second spacing beam is slided with the guiding mounting groove to be connected
Connect；
Along the vertical direction in projection, tolerant part is cut into the first cavity and the second cavity by the first spacing beam；
Reinforcement is provided with the internal face of first cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710633096.9A CN107442786B (en) | 2017-07-28 | 2017-07-28 | Main shaft Z-direction with threading protection mechanism adjusts component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710633096.9A CN107442786B (en) | 2017-07-28 | 2017-07-28 | Main shaft Z-direction with threading protection mechanism adjusts component |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107442786A true CN107442786A (en) | 2017-12-08 |
| CN107442786B CN107442786B (en) | 2019-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710633096.9A Active CN107442786B (en) | 2017-07-28 | 2017-07-28 | Main shaft Z-direction with threading protection mechanism adjusts component |
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| CN105033342A (en) * | 2015-07-02 | 2015-11-11 | 诸城市智鑫模具装备有限公司 | Rotary power head of CNC (computer numerical control) engraving and milling machine |
| CN205774975U (en) * | 2016-06-27 | 2016-12-07 | 际华三五四二纺织有限公司 | A kind of griping cotton machine hired roughneck's motor wire protection device |
| CN106271797A (en) * | 2016-08-29 | 2017-01-04 | 江门市奥斯龙机械有限公司 | A kind of main spindle box |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU878433A2 (en) * | 1978-06-28 | 1981-11-07 | Московское Специальное Конструкторское Бюро Автоматических Линий И Агрегатных Станков | Spindle box |
| CN102151909A (en) * | 2011-03-18 | 2011-08-17 | 陕西秦川机械发展股份有限公司 | Large-scale numerical control gear machining machine tool |
| CN104785797A (en) * | 2014-01-17 | 2015-07-22 | 舍弗勒技术股份两合公司 | Spindle box and spindle box transmission system |
| CN203751808U (en) * | 2014-04-04 | 2014-08-06 | 群基精密工业(苏州)有限公司 | Swinging structure of machine tool spindle |
| CN104493617A (en) * | 2014-12-19 | 2015-04-08 | 无锡大龙马数控机床制造有限责任公司 | Z-axis feed system |
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| Publication number | Publication date |
|---|---|
| CN107442786B (en) | 2019-02-12 |
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