CN107442786B - Main shaft Z-direction with threading protection mechanism adjusts component - Google Patents
Main shaft Z-direction with threading protection mechanism adjusts component Download PDFInfo
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- CN107442786B CN107442786B CN201710633096.9A CN201710633096A CN107442786B CN 107442786 B CN107442786 B CN 107442786B CN 201710633096 A CN201710633096 A CN 201710633096A CN 107442786 B CN107442786 B CN 107442786B
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- headstock
- aperture
- saddle
- main shaft
- outer cover
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/70—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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The present invention provides a kind of main shaft Z-directions of band threading protection mechanism to adjust component, adjusts component comprising threading protection mechanism and main shaft Z-direction；It includes headstock, main shaft, saddle and connector that main shaft Z-direction, which adjusts component,；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 axis mounting portion；Axis mounting portion, rotation section are respectively arranged with the first headstock aperture, the second headstock aperture；Saddle includes cabinet；The first saddle aperture and the second saddle aperture are provided in cabinet；Connector includes first connecting portion and second connecting portion；First connecting portion, second connecting portion are connect with headstock, saddle respectively；Main shaft includes tool mounting portion, the shaft shoulder, penetrates portion.The present invention is easy to realize swing function by torque motor or gear structure, and structure is simple, applied widely.
Description
Technical field
The present invention relates to numerically-controlled machine tool accessories fields, and in particular, to a kind of main shaft Z-direction of band threading protection mechanism
Adjust component.
Background technique
In numerically-controlled machine tool, main shaft is mounted on main shaft headstock, and can be swung left and right function by wobble heads realization main shaft.?
When main shaft swings, the lead for connecting main shaft can be moved with the movement of main shaft, will lead to wire body mill for a long time
The problems such as damage, bending, winding, and then influence the work of main shaft.In the prior art, the main shaft lead of numerically-controlled 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 working efficiency, influence lathe
Service life.
Patent document CN203751808U provides a kind of swinging structure of machine tool chief axis, including main shaft, and main shaft passes 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 axis, and the central axis protrudes 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
For end face arrangement there are four linear slider, the linear slider is supported on the Z axis guide rail of the corresponding main shaft, the center axle position
It is set with turbine in the interior section of the wobble heads pedestal, the wobble heads pedestal is fastenedly connected servo motor, the servo
The output end of motor is connected with worm screw, and the worm screw protrudes into the wobble heads pedestal, the worm screw, turbine correspondence tooth socket
The outer toroid surface cover of engagement connection, the central axis is equipped with ring-shaped bearing seat.According to the patent document readme, it makes spindle swing
Precision it is high, and stability when assurance mechanism mass motion.But the structure that the patent document provides is driven using servo motor
Dynamic, Worm Wheel System realizes spindle swing, and not only structure is complicated, but also servo motor meeting revolving speed decline when torque increases
Problem；In addition, the patent document does not provide main shaft pilot protection structure yet.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of main shaft Z axis sides of band threading protection mechanism
To adjusting component.
The main shaft Z-direction with threading protection mechanism provided according to the present invention adjusts component, includes threading protection mechanism
Component is adjusted with main shaft Z-direction；
It includes headstock, main shaft, saddle and connector that the main shaft Z-direction, which adjusts component,；
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 connect with headstock outer cover, saddle outer cover respectively；
Headstock includes rotation section and axis mounting portion；
Rotation section is integrally formed or is fastenedly connected with axis mounting portion；Axis installation position is in the front end of rotation section；
The first headstock aperture is provided in axis mounting portion, the first headstock aperture is logical on axis mounting portion axial direction
Hole；
The second headstock aperture is provided in rotation section, the second headstock aperture is axially extending through rotation section rear end along rotation section
Face；
Saddle includes cabinet；Cabinet upper surface is provided with the first saddle aperture, and space where the first saddle aperture, which is constituted, to hold
Object portion；
Cabinet front end face is provided with boss；Boss front end face is provided with the second saddle aperture；
Second saddle aperture is connected to 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 connect 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
It is sequentially connected；
It penetrates portion and is packed into the first headstock aperture from the first headstock aperture lower end；
The shaft shoulder is fastenedly connected with axis mounting portion lower end surface.
Preferably, threading structure includes sizing air hose, attachment base and bearing assembly；
Attachment base includes tube head fixing seat and movable steering base；Tube head fixing seat is fastenedly connected with movable steering base；
The both ends of sizing air hose are connect with tube head fixing seat, saddle outer cover respectively；
Movable steering base is connect 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 cross-sectional shape of bearing wedge and bearing rotary seat is L shape；
Annular groove is provided on bearing wedge and/or bearing rotary seat；
Bearing assembly also includes sealing ring；
The sealing ring is arranged in annular groove；
Sealing ring is touched 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 mounted on separated time
On seat.
Preferably, third headstock aperture is provided on the hole bottom surface of the second headstock aperture；
The third headstock aperture is connected to the first headstock aperture and the second headstock aperture；
The third headstock aperture is stepped hole；
The first headstock threaded hole is provided on the step surface of third headstock aperture；
The second headstock threaded hole is provided on the end face of the one end of axis mounting portion in axial direction；
In the projection of rotation section axial direction, rotation section outer profile covers axis mounting portion outer profile.
Preferably, the first headstock aperture 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 transition fit；
Second hole section and gap of main reinforcement cooperate.
Preferably, the portion of penetrating includes built-in portion and shield interconnecting piece；
The built-in portion is located in the first headstock aperture；
Shield interconnecting piece reaches the first headstock aperture upper end through the first headstock aperture；
Tool changing aligning guide is provided on shield interconnecting piece wall surface.
Preferably, headstock also includes sealing plate；
Assembly sealing station is provided in the outside wall surface of axis mounting portion front end；
It assembles and is provided with the 4th headstock aperture on the front end face of sealing station；The 4th headstock aperture and the first headstock aperture
Connection；
The front end face for assembling sealing station is plane；Sealing plate is securedly mounted on the front end face of assembly sealing station；
In the projection of rotation section axial direction, the first headstock threaded hole is located in the contour line of the 4th headstock aperture.
Preferably, the saddle also includes sliding panel, screw rod interconnecting piece and stiffening plate；
Along the longitudinal direction in projection, sliding panel is from the first saddle aperture side hole end surface, along cabinet lateral surface circumferential direction
Extend up to the first saddle aperture other side hole end surface；Cabinet is fastenedly connected with sliding panel；
Screw rod interconnecting piece is arranged on the rear end face of cabinet；
Stiffening plate cross-sectional shape is triangle；Stiffening plate connects cabinet and sliding panel.
Preferably, the left side, right side and lower end surface junction of cabinet form transition part, and the transition part is round and smooth to be prolonged
It stretches；
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 aperture is stepped hole；Second saddle aperture 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 on 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, limit beam is provided in tolerant portion；
Limiting beam includes the first limit beam and the second limit beam；
First limit beam is connect with the second limit beam perpendicular fastener；
Guiding mounting groove is provided on cabinet front inner surface, one end of the second limit beam and the guiding mounting groove slide
Connection；
Along the vertical direction in projection, tolerant part is cut into the first cavity and the second cavity by the first limit beam；
Reinforcing rib is provided on the inner wall of first cavity.
Compared with prior art, the present invention have it is following the utility model has the advantages that
1, the present invention is easy to realize swing function by torque motor or gear structure, and structure is simple, applied widely；
It is easily assembled, while also facilitating and carrying out detachable maintaining maintenance；
2, main shaft lead passes sequentially through headstock outer cover, threading structure, saddle outer cover in the present invention, prevents from exposed making outside
It is worn at wire body, while being provided with multiple holes on the tapping block of threading structure, lead can be classified and be arranged；
3, the present invention fixes attachment base by bearing wedge in the front-back direction, when spindle swing, can be realized
Attachment base slight oscillatory is not swung even, is played a protective role to wire body, avoids wire body because of excessive generation winding of windup-degree etc.
Problem；
4, the sealing ring on bearing wedge and bearing rotary seat can prevent the liquid such as water, oil from entering, and can prevent bearing
Getting rusty influences bearing accuracy；
5, the present invention connects compact firm, good appearance.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is perspective view of the present invention；
Fig. 2 is front view of the present invention；
Fig. 3 is that main shaft Z-direction adjusts component perspective view；
Fig. 4 is that main shaft Z-direction adjusts component front view；
Fig. 5 is that main shaft Z-direction adjusts assembly plan view；
Fig. 6 is that main shaft Z-direction adjusts component back view；
Fig. 7 is that main shaft Z-direction adjusts component left view；
Fig. 8 is that main shaft Z-direction adjusts component left view sectional view；
Fig. 9 is headstock left view sectional view；
Figure 10 is saddle left view sectional view；
Figure 11 is that thrust bearing installs enlarged drawing
It is shown in figure:
1 shaft shoulder 22 of headstock limits beam 36
Axis mounting portion 11 penetrates portion 23 first and limits beam 361
Built-in 24 trapezoidal groove 3610 of portion in rotation section 12
It assembles 13 shield interconnecting piece 25 second of sealing station and limits beam 362
14 first ladder section of extension, 251 screw rod interconnecting piece 37
First headstock threaded hole, 15 second-order bench, 252 reinforcing rib 38
Second headstock threaded hole, 16 third ladder section, 253 connector 4
17 tool changing aligning guide of sealing plate, 254 first connecting portion 41
First headstock aperture, 111 saddle, 3 second connecting portion 42
1111 cabinet 31 of relief groove threads protection mechanism 5
First hole section, 1,112 first saddle aperture 310 sizing air hose 51
Second hole section, 1,113 first cavity, 3,101 first sealing ring 52
Second 112 second cavity of headstock aperture, 3102 thrust bearing 53
113 transition part of third headstock aperture, 311 tube head fixing seat 54
First step hole 1131 is oriented to the movable steering base 55 of mounting groove 312
1132 sliding panel of second step hole, 32 tapping block 56
1133 sticking part of third stepped hole, 321 second sealing ring 57
4th headstock aperture, 114 limiting through hole, 3210 bearing wedge 58
First camber line portion, 121 round boss, 33 headstock outer cover 511
122 second saddle aperture of straight line line department, 330 saddle outer cover 512
Second camber line portion, 123 stiffening plate, 34 bearing rotary seat 513
2 fin of main shaft, 35 column cap 514
Tool mounting portion 21
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
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 scope.
As shown in Figure 1 and Figure 2, in embodiment, it includes headstock 1, main shaft that main shaft Z-direction provided by the invention, which adjusts component,
2, 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 close to or far from clamping workpiece plane along Z-direction.Wherein headstock 1
Comprising rotation section 12 and axis mounting portion 11, rotation section 12 and axis mounting portion 11 are integrally formed, and axis installation position 11 is in rotation section 12
Front end, the first headstock aperture 111 is provided in axis mounting portion 11, the first headstock aperture 111 is along 11 axial direction side of axis mounting portion
Upward through-hole, main shaft 2 include tool mounting portion 21, the shaft shoulder 22, penetrate portion 23；Tool mounting portion 21, penetrates portion 23 at the shaft shoulder 22
It is sequentially connected along lower end to upper extreme direction, penetrates portion 23 from 111 lower end of the first headstock aperture and be packed into the first headstock aperture 111.Turn
The second headstock aperture 112 is provided in dynamic portion 12, the second headstock aperture 112 is axially extending through rotation section rear end along rotation section 12
The axially extending direction in face, the first headstock aperture 111 and the second headstock aperture 112 is mutually perpendicular to, and so in actual operation, is turned
Dynamic 12 left-right rotation of portion, the main shaft 2 being mounted in the first headstock aperture 111, which also can be carried out, to wave, and completes processing.First headstock is opened
Hole 111 includes the first hole section 1112, relief groove 1111 and the second hole section 1113, 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 connect with headstock outer cover 511, saddle outer cover 512 respectively.In preference, rotation section 12 and axis mounting portion 11 it
Between be also possible to be fastenedly connected, but assembly can become more complicated.Preferably, the first headstock aperture 111 and the second headstock
Angle of the aperture 112 on axially extending direction is also possible to acute angle or obtuse angle, to process special structure, but actually makes
It can also be realized by adjusting the angle that main shaft 2 is fixed a cutting tool in.
As shown in Figures 3 to 8, saddle 3 includes cabinet 31, and 31 upper surface of cabinet is provided with the first saddle aperture 310, and first
310 place space of saddle aperture constitutes tolerant portion, and 31 front end face of cabinet is provided with boss, and the boss is round boss 33, i.e.,
Cross-sectional shape is circle；33 front end face of round boss is provided with the second saddle aperture 330, and the second saddle aperture 330 runs through case
31 outside wall surface of body is connected to tolerant portion.Connector 4 includes first connecting portion 41 and second connecting portion 42；First connecting portion 21 and
Two interconnecting pieces 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 mounted on the first headstock aperture 111, the second saddle aperture 330 respectively with embedded mode
In, then connected by fastener.
As shown in figure 9, third headstock aperture 113 is provided on the hole bottom surface of the second headstock aperture 112, third headstock aperture
113 be stepped hole, and the both ends of third headstock aperture 113 are respectively communicated with the first headstock aperture 111, the second headstock aperture 112,
It is provided with the first headstock threaded hole 15 on one step surface of three headstock apertures 113, in embodiment, along proximal end to distal direction,
Third headstock aperture 113 forms first step hole 1131, second step hole 1132, third stepped hole 1133, first step hole
1131, second step hole 1132, third stepped hole 1133 aperture be sequentially increased, the first headstock threaded hole 15 is connected to third
Stepped hole 1133 and the first headstock aperture 111；First headstock threaded hole 15 is counter sink, and wherein countersunk head is located at the first aperture 111
Place side, counter sink are circumferentially uniformly arranged, the fasteners such as mounting screw in the first headstock threaded hole 15, can by headstock with
First connecting portion is fastened together.It is provided with assembly sealing station 13 in 11 proximal end outside wall surface of axis mounting portion, assembles sealing station
The 4th headstock aperture 114 is provided on 13 proximal end face, the 4th headstock aperture 114 is connected to the first headstock aperture 111,
On front view direction, the first threaded hole 15 is located in the contour line of the 4th headstock aperture 114, can in this way in assembling process
It is screwed into fastener in the first headstock threaded hole 15 across the 4th headstock aperture 114, completes the company of headstock 1 and first connecting portion 41
It connects.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
First aperture 111 is realized and is sealed, prevents scrap or dust from entering the first headstock aperture 111 and destroys structure therein.Axis installation
The second headstock threaded hole 16 is provided on 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 threaded hole 15 can also be tapped through hole, but after being packed into the fasteners such as screw, fastener tail end leaks outside
Face can generate the main shaft in the first headstock aperture 111 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 4,12 outer profile of rotation section covers 11 foreign steamer of axis mounting portion in the projection of 12 axial direction of rotation section
It is wide.As shown in figure 5, the end face outer profile of axis mounting 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.Axis mounting portion
11 outside wall surfaces are provided with extension 14, and the extension 14 is seamlessly transitted with 12 outside wall surface of rotation section, which makes the present invention
Dimensional structure is more reasonable, and proof strength while makes shape more beautiful.
In embodiment, saddle 3 also includes sliding panel 32, screw rod interconnecting piece 37 and stiffening plate 34.It projects along the longitudinal direction
On, sliding panel 32 extends up to the first saddle from 310 side hole end surface of the first saddle aperture, along 31 lateral surface circumferential direction of cabinet
310 other side hole end surface of aperture, wherein the left side, right side and lower end surface junction of cabinet 31 form transition part 311, described
The round and smooth extension of transition part 311, therefore in projection along the longitudinal direction, sliding panel 32 is in rectangular shape of the upper end with U-shaped groove,
On upper surface, cabinet 31 is concordant with sliding panel 32.Cabinet 31 is fastenedly connected with sliding panel 32, the groove bottom of the U-shaped groove with
31 outside wall surface of cabinet is connected everywhere, that is to say, that connection type be it is continuous, rounding off is simultaneously between cabinet 31 and sliding panel 32
It is provided with the stiffening plate 34 that multiple cross sections are triangle.Screw rod interconnecting piece 37 is arranged on the rear end face of cabinet 31, and screw rod connects
It is provided with curved opening in socket part 37, is used to that screw rod be installed in curved opening, in left-right direction in projection, on screw rod interconnecting piece 37
End face tilts down on the direction from front end to rear end.In preference, the transverse cross-sectional shapes side of being also possible to of the boss
Shape, but the cross-sectional shape of the second saddle aperture 330 need to guarantee circle, for installing the rotations 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
It is also possible to be also possible to discrete connection type such as intermittent weld between integrally formed, or both between body 31.
As shown in Figure 10, the second saddle aperture 330 on round boss 33 is stepped hole, and the second saddle aperture 330 is along rear
Preceding extreme direction aperture increases are held, step is also machined in 33 radial outside of round boss, is conducive between saddle 3 and headstock 1
Radial positioning, while screw hole also can be set on 330 step surface of the second saddle aperture, is used for saddle 3 and second connecting portion
It is fastenedly connected between 42.Round boss 33 and 311 arranged concentric of transition part, so that shape is more beautiful.As shown in figure 3, tolerant
Limit beam 36 is provided in portion, limit beam 36 includes the first limit beam 361 and the second limit beam 362, and first limits beam 361 and the
Two limit beams 362 are arranged vertically and are fastenedly connected, and guiding mounting groove 312, the second limit are provided on 31 front inner surface of cabinet
One end of beam 362 slides into the guiding mounting groove 312 and completes installation.Along the longitudinal direction in projection, the first limit 361 upper surface of beam
It is provided with trapezoidal groove 3610, the second limit 362 upper surface of beam is concordant with the groove bottom of trapezoidal groove 3610.It throws along the vertical direction
On shadow, tolerant part is cut into the first cavity 3101 and the second cavity 3102, the inner wall of the first cavity 3101 by the first limit beam 361
Reinforcing rib 38 is provided on face.Limit 36 structure of beam is conducive to the structure that will be mounted in the second aperture 330, such as torque motor
It is preferably fixed, it prevents offset and trembles situation.The reinforcing rib 38 is well word structure, excellent for increasing by 31 intensity of cabinet
It selecting in example, reinforcing rib 38 can also be arranged in simultaneously in the first cavity 3101 and the second cavity 3102, but due to the second cavity
3102 spaces are smaller, and processing can become complicated.
As shown in figs. 4 and 6, sliding panel 32 includes sticking part 321, is provided with limiting through hole on the sticking part 321
3210, on 32 front end face of sliding panel, sticking part 321 is concordant with 32 other parts of sliding panel, on 32 rear end face of sliding panel, sticking part
321 are higher than 32 other parts of sliding panel.Sticking part 321 is positioned for the contact between guide rail, in embodiment there are four settings
Sticking part 321 is distributed on four angles of rectangular slide plate 32, and there are six limiting through hole 3210 for setting on each sticking part 321.
Preferably of course, the number of sticking part 321 and 321 upper limit through-hole 3210 of sticking part can also be carried out according to actual use demand
Adjustment.As shown in Figure 1, being additionally provided with fin 35 on 31 rear end face of cabinet, the fin 35 is vertically extended, and includes two
Fin 35 is arranged symmetrically in left and right directions.Be additionally provided with stiffener on 31 front end face of cabinet, stiffener connect round boss 33 with
Cabinet 31, to enhance 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 interconnecting piece 25, the built-in portion 24 is located at
In first headstock aperture 111；Shield interconnecting piece 25 reaches 111 upper end of the first headstock aperture through the first headstock aperture 111；Shield
Tool changing aligning guide 254 is provided on 25 wall surface of interconnecting piece.Shield interconnecting piece 25 includes multi-diameter shaft, and the multi-diameter shaft includes first
Ladder section 251, second-order bench 252 and third ladder section 253；First ladder section 251, second-order bench 252, third ladder
Section 253 is sequentially connected, and the diameter of axle is sequentially reduced；The tool changing aligning guide 254 is located at 251 proximal end outside wall surface of the first ladder section
On.In use process, when tool changing aligning guide 254 is in the angle position of setting, tool changing operation, therefore preference just will do it
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 25 wall surface of shield interconnecting piece.
Threading structure includes sizing air hose 51, attachment base, bearing assembly and tapping block 56, saddle outer cover 512, sizing wind
Pipe 51, attachment base, bearing assembly, headstock outer cover 510 are sequentially connected, and in practical set, the lead for connecting main shaft is sequentially passed through
Above structure avoids exposed causing to wear outside.Attachment base includes tube head fixing 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 attachment base has bending on length extending direction, and tube head is fixed
The end face of seat 54 and the end face of movable steering base 55 are vertically arranged.Ring is provided on tube head fixing seat 54 and saddle outer cover 512
Shape boss, for the nested encryptions between air hose 51 of being formed.Multiple axially extending bores are provided in tapping block 56, for main shaft
Line is split, and prevents from winding.Tapping block 56 includes seat body portion and seat tail portion.The diameter of seat tail portion is greater than seat body portion diameter,
When assembly, the shell of headstock outer cover 511 is run through in seat body portion inside headstock outer cover 511, in the aperture of arrival activity steering base 55,
Seat tail portion 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
Tail portion can also be to be fastenedly connected with movable steering base 55, and seat body portion gap is mounted in headstock outer cover 511, but due to even
Joint chair is that there are curved structures, 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, axis
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 mounted on the outer side surface of tapping block 56.Bearing wedge 58,513 cross-sectional shape of bearing rotary seat are L shape, 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.Axis
It is provided with annular groove on Pressure Block 58 and bearing rotary seat 513, on section as shown in figure 11, the annular groove position
In on the end face that L shape 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 attachment base, when main shaft 1
When swing, it can be realized attachment base slight oscillatory even portion and swing, play a protective role to wire body, while the setting of sealing ring,
It can prevent the liquid such as water, oil from entering, wall surface 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, attachment base respectively, but the structure
Be easy to cause the swing along roller bearing axial direction, and leakproofness it is difficult to ensure that, roller bearing is easy 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
It on swivel base 513, installs and is more convenient, but still remain water, oil to lead to the defect got rusty into bearing.
As shown in Figure 1, the outer cover also includes column cap 514, saddle 3 is with saddle outer cover 512 through setting described
On column cap 514,514 cross-sectional shape of column cap is C-shaped.Column cap 514 is conducive to the main shaft penetrated along saddle 3
Lead is protected.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to 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 substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (9)
1. a kind of main shaft Z-direction of band threading protection mechanism adjusts component, which is characterized in that include threading protection mechanism and master
Axis Z-direction adjusts component；
It includes headstock, main shaft, saddle and connector that the main shaft Z-direction, which adjusts component,；
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 connect with headstock outer cover, saddle outer cover respectively；
Headstock includes rotation section and axis mounting portion；
Rotation section is integrally formed or is fastenedly connected with axis mounting portion；Axis installation position is in the front end of rotation section；
The first headstock aperture is provided in axis mounting portion, the first headstock aperture is the through-hole on axis mounting portion axial direction；
The second headstock aperture is provided in rotation section, the second headstock aperture is axially extending through rotation section rear end face along rotation section；
Saddle includes cabinet；Cabinet upper surface is provided with the first saddle aperture, and space where the first saddle aperture constitutes tolerant portion；
Cabinet front end face is provided with boss；Boss front end face is provided with the second saddle aperture；
Second saddle aperture is connected to 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 connect 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；
It penetrates portion and is packed into the first headstock aperture from the first headstock aperture lower end；
The shaft shoulder is fastenedly connected with axis mounting portion lower end surface；
Headstock also includes sealing plate；
Assembly sealing station is provided in the outside wall surface of axis mounting portion front end；
It assembles and is provided with the 4th headstock aperture on the front end face of sealing station；The 4th headstock aperture and the first headstock aperture connect
It is logical；
The front end face for assembling sealing station is plane；Sealing plate is securedly mounted on the front end face of assembly sealing station；
In the projection of rotation section axial direction, the first headstock threaded hole is located in the contour line of the 4th headstock aperture.
2. the main shaft Z-direction of band threading protection mechanism according to claim 1 adjusts component, which is characterized in that threading
Structure includes sizing air hose, attachment base and bearing assembly；
Attachment base includes tube head fixing seat and movable steering base；Tube head fixing seat is fastenedly connected with movable steering base；
The both ends of sizing air hose are connect with tube head fixing seat, saddle outer cover respectively；
Movable steering base is connect 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 of band threading protection mechanism according to claim 2 adjusts component, which is characterized in that bearing
The cross-sectional shape of wedge and bearing rotary seat is L shape；
Annular groove is provided on bearing wedge and/or bearing rotary seat；
Bearing assembly also includes sealing ring；
The sealing ring is arranged in annular groove；
Sealing ring is touched 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 mounted on tapping block.
4. the main shaft Z-direction of band threading protection mechanism according to claim 1 adjusts component, which is characterized in that described
Third headstock aperture is provided on the hole bottom surface of second headstock aperture；
The third headstock aperture is connected to the first headstock aperture and the second headstock aperture；
The third headstock aperture is stepped hole；
The first headstock threaded hole is provided on the step surface of third headstock aperture；
The second headstock threaded hole is provided on the end face of the one end of axis mounting portion in axial direction；
In the projection of rotation section axial direction, rotation section outer profile covers axis mounting portion outer profile.
5. the main shaft Z-direction of band threading protection mechanism according to claim 1 adjusts component, which is characterized in that described
First headstock aperture 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 transition fit；
Second hole section and gap of main reinforcement cooperate.
6. the main shaft Z-direction of band threading protection mechanism according to claim 1 adjusts component, which is characterized in that described
Penetrating portion includes built-in portion and shield interconnecting piece；
The built-in portion is located in the first headstock aperture；
Shield interconnecting piece reaches the first headstock aperture upper end through the first headstock aperture；
Tool changing aligning guide is provided on shield interconnecting piece wall surface.
7. the main shaft Z-direction of band threading protection mechanism according to claim 1 adjusts component, which is characterized in that described
Saddle also includes sliding panel, screw rod interconnecting piece and stiffening plate；
Along the longitudinal direction in projection, sliding panel extends from the first saddle aperture side hole end surface along cabinet lateral surface circumferential direction
Reach the first saddle aperture other side hole end surface；Cabinet is fastenedly connected with sliding panel；
Screw rod interconnecting piece is arranged on the rear end face of cabinet；
Stiffening plate cross-sectional shape is triangle；Stiffening plate connects cabinet and sliding panel.
8. the main shaft Z-direction of band threading protection mechanism according to claim 7 adjusts component, which is characterized in that cabinet
Left side, right side and lower end 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 aperture is stepped hole；Second saddle aperture 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 on 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.
9. the main shaft Z-direction of band threading protection mechanism according to claim 1 adjusts component, which is characterized in that tolerant
Limit beam is provided in portion；
Limiting beam includes the first limit beam and the second limit beam；
First limit beam is connect with the second limit beam perpendicular fastener；
Guiding mounting groove is provided on cabinet front inner surface, one end of the second limit beam and guiding mounting groove sliding connect
It connects；
Along the vertical direction in projection, tolerant part is cut into the first cavity and the second cavity by the first limit beam；
Reinforcing rib is provided on the inner wall 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 |
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| Publication Number | Publication Date |
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| CN107442786A CN107442786A (en) | 2017-12-08 |
| CN107442786B true CN107442786B (en) | 2019-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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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| 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 |
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| 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 |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107442786A (en) | 2017-12-08 |
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