CN109732384A - A kind of Show knife head - Google Patents
A kind of Show knife head Download PDFInfo
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- CN109732384A CN109732384A CN201910204362.5A CN201910204362A CN109732384A CN 109732384 A CN109732384 A CN 109732384A CN 201910204362 A CN201910204362 A CN 201910204362A CN 109732384 A CN109732384 A CN 109732384A
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- slide cartridge
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- shell
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Abstract
The present invention provides a kind of Show knife heads, belong to processing equipment technical field.It solves how to improve job stability, guarantee the technical issues of machining accuracy.The present invention includes shell and is threaded through the main shaft that in shell and can be rotated, shell is stretched out in the front and rear end of main shaft and main shaft can be moved forward and backward along shell, pull rod is equipped with along axial direction in main shaft, housing rear end is fixed with slide cartridge seat, sliding is provided with big slide cartridge along the longitudinal direction in slide cartridge seat and the two is circumferentially fixed, rear-end of spindle is with big slide cartridge axial restraint and the two can relatively rotate, sliding is provided with small slide cartridge along the longitudinal direction and the two is circumferentially fixed in big slide cartridge, back end of tie rod stretch out rear-end of spindle and with small slide cartridge front end axial restraint, big slide cartridge rear end is fixed with motor cabinet one and motor one, shaft coupling one is connected between screw rod one and the output shaft for feeding motor one.The present invention, which has, improves job stability, it is ensured that the advantages that machining accuracy.
Description
Technical field
The invention belongs to processing equipment technical fields, are related to a kind of Show knife head.
Background technique
Valve can be realized the functions such as control and the water conservancy diversion of the switch, flow of control medium, lathe process traditional at present
The actual demand that can not meet valve starts Show knife head occurred thus in the market, it can be simultaneously to a gate valve
Two sealing surfaces on equal valves are processed.Such as application No. is a kind of 201721395249.2 modifieds to open up knife power
Head, it includes shell, the live spindle on shell, rack sleeve, exhibition tool apron, main shaft power mechanism, main shaft axially transmission
Mechanism, exhibition knife variable diameter transmission mechanism and CNC controller, exhibition tool apron are set on live spindle one end, and main shaft power mechanism includes the
One servo motor, the first synchronizing wheel, the second synchronizing wheel and synchronous belt, first servo motor output shaft are connected with the first synchronous belt
It connects, the second synchronizing wheel is sheathed on live spindle and is arranged distant from one end of exhibition tool apron, and synchronous belt is sheathed on same synchronizing wheel and the
In two synchronizing wheels, rack sleeve is set to one end that live spindle is equipped with exhibition tool apron through bearing holder (housing, cover), and main shaft axial direction transmission mechanism includes
Second servo motor, the first drive lead screw and the first pushing block, the first drive lead screw are rotatably set on shell, the second servo
Motor output shaft is connected with the first drive lead screw drives the rotation of the first drive lead screw, and the first pushing block side is fixedly arranged on the first biography
On dynamic screw rod, the first pushing block other side is fixedly connected with rack sleeve, open up knife variable diameter transmission mechanism include third servo motor,
Second drive lead screw, the second pushing block and knife bar, third servo motor output shaft are connected drive second with the second drive lead screw
Drive lead screw rotation, the second pushing block side are fixedly arranged on the second drive lead screw, and the second pushing block other side and knife bar one end are solid
Fixed connection, live spindle are equipped with through-hole along axial centre, exhibition tool apron include pedestal, in pedestal slidable sliding shoe, set
The rack gear of connection drive sliding shoe sliding, knife bar are engaged with sliding shoe on the sliding shoe and cutter holder of prominent seat surface and one end
It is arranged in the through-hole of live spindle and its free end is connected with the rack gear free end in exhibition tool apron, first servo motor, second
Servo motor and third servo motor are all connected with and are controlled by CNC controller.It is passed through by opening up through-hole in live spindle
Main shaft power mechanism drives live spindle rotation, drives the feeding of live spindle horizontal axis by main shaft axial direction transmission mechanism, leads to
Crossing exhibition knife variable diameter transmission mechanism drives sliding shoe sliding in exhibition tool apron that cutter holder displacement is driven to complete to open up the cutter change on tool apron in turn
Diameter.
However, there is also some shortcomingss for above-mentioned modified Show knife head: entire exhibition knife variable diameter transmission mechanism
Building block is not that be fixed on be exactly to be fixed on knife bar in live spindle, is equivalent to the weight of entire exhibition knife variable diameter transmission mechanism
It is entirely to be supported by live spindle and knife bar, and live spindle and knife bar are elongated rod shape structure, therefore are made for a long time
Used time be easy to cause live spindle and knife bar to be bent, to influence the job stability and machining accuracy of Show knife head.Also
There are some Show knife heads with the same function, as application No. is the Show knife heads disclosed in 201010129804.3, Shen
It please be number for Multifunctional cutter unfolding power head disclosed in 201020668737.8 and application No. is disclosed in 201520594437.2
Show knife head etc., they are also that will be arranged for realizing the corresponding construction of exhibition knife variable diameter function in live spindle and knife bar
End, therefore also all there is identical technical problems.
Summary of the invention
The purpose of the present invention is in view of the above-mentioned problems existing in the prior art, proposing a kind of Show knife head, to be solved
Certainly the technical issues of is how to improve job stability, guarantee machining accuracy.
Object of the invention can be realized by the following technical scheme:
A kind of Show knife head including shell and is threaded through the main shaft that in shell and can be rotated, the front end of main shaft with
Shell is stretched out in rear end and main shaft can be moved forward and backward along shell, is equipped with pull rod along axial direction in main shaft, which is characterized in that institute
The housing rear end stated is fixed with slide cartridge seat, and sliding is provided with big slide cartridge along the longitudinal direction in slide cartridge seat and the two is circumferentially fixed, main
Shaft rear end is with big slide cartridge axial restraint and the two can relatively rotate, and sliding is provided with small slide cartridge and two along the longitudinal direction in big slide cartridge
Person is circumferentially fixed, back end of tie rod stretch out rear-end of spindle and with small slide cartridge front end axial restraint, small slide cartridge rear end is fixed with nut set
One, the screw rod one being threadedly coupled with nut set one is equipped in small slide cartridge, big slide cartridge rear end is fixed with motor cabinet one, motor cabinet
One rear end is fixed with feeding motor one, and one rear end of screw rod extends in motor cabinet one and one rear end of screw rod and feeding motor one
Output shaft between be connected with shaft coupling one.
In use, pull rod front end is connected with slidable sliding shoe in tool apron is set in front-end of spindle fixed tool apron, need
When wanting the feeding of pull rod front and back, screw rod one is driven to rotate by shaft coupling one by the output shaft of feeding motor one, screw rod one and nut
Set one is threadedly coupled and nut set one is fixed on small slide cartridge rear end, and big slide cartridge is slidably arranged in slide cartridge seat and two along the longitudinal direction
Person is circumferentially fixed, while small slide cartridge is slidably arranged in big slide cartridge along the longitudinal direction and the two is circumferentially fixed, slide cartridge small in this way and
Nut set is once being limited circumferential rotation, therefore screw rod one will drive small slide cartridge to slide forward or backward, and due to
Back end of tie rod and small slide cartridge front end axial restraint, therefore small slide cartridge slides forward or backward will realize that pull rod moves forward or backward
It is dynamic, to realize the corresponding actions that tool apron is fixed a cutting tool.Simultaneously as small slide cartridge is slidably arranged in big slide cartridge, while after main shaft
End and big slide cartridge axial restraint, tool apron setting can pull pull rod by tool apron in front-end of spindle, therefore when main shaft forward movement
It is synchronous to move forward, to achieve the purpose that open up knife.
For the weight for bearing each components in compared with the prior art by main shaft and back end of tie rod, this Show knife head
The Linear transmission of pull rod, and each spare and accessory parts are realized by the setting of feeding motor one, shaft coupling one, screw rod one and nut set one
It is arranged on the axis direction of main shaft and pull rod, while using slide cartridge seat is supported big slide cartridge, big slide cartridge is to small slide cartridge
It is supported and motor cabinet a pair of feeding motor one is supported, so that shell bears each zero instead of main shaft and pull rod
The weight of part due to shell itself heavier-weight and has certain volume, what the weight of each components generated shell
Influence can be ignored, to improve the operation is stable well while guaranteeing Show knife head normal working performance
Property, it is ensured that machining accuracy.
In above-mentioned Show knife head, the housing rear end is fixed with mounting bracket, and rotation is fixed in mounting bracket
Rotating motor, housing rear end are fixed with synchronous belt wheel base, and synchronous belt wheel base is located in mounting bracket, and the output shaft of rotating electric machine protrudes into
In mounting bracket and it is fixed with synchronous pulley one, is equipped with the synchronous pulley two that can be rotated, synchronous pulley on the inside of synchronous belt wheel base
Two sets on main shaft and the two is circumferentially fixed, power is transmitted by synchronous belt between synchronous pulley one and synchronous pulley two, it is synchronous
Rear end face opening with wheel seat, slide cartridge seat front end outer side are equipped with lug, slide cartridge seat and synchronous belt wheel base by passing through lug and wearing
The fastener entered in synchronous belt wheel base rear end face is mutually fixed.
When the rotation of the output shaft of rotating electric machine, synchronous pulley one drives synchronous pulley two with rotation and by synchronous belt
It rotates synchronously, since synchronous pulley two is circumferentially fixed with main shaft and is slidably connected, final synchronous pulley two will drive main shaft
Rotation.In addition, the rear end face of synchronous belt wheel base is open, and slide cartridge seat front end outer side is equipped with lug, slide cartridge in this Show knife head
On the one hand seat and synchronous belt wheel base are made in this way by passing through lug and the fastener that penetrates in synchronous belt wheel base rear end face is mutually fixed
Slide cartridge seat is mutually fixed by synchronous belt wheel base and with shell, to enable shell that main shaft and pull rod to be replaced to bear each zero of rear end
On the other hand the weight of part can use slide cartridge seat directly as synchronous belt again to improve job stability, guarantee machining accuracy
The end cap of wheel seat is using synchronous pulley two to be limited in synchronous belt wheel base.
In above-mentioned Show knife head, the slide cartridge seat include cylindric ontology and be fixed on ontology front end and
Outer diameter is greater than the embedded division of ontology, and big slide cartridge is located within the body, and lug is located on the outside of embedded division, and the front end of embedded division, which is embedded in, to be synchronized
In rear end with wheel seat.
Slide cartridge seat includes cylindric ontology and is fixed on ontology front end and outer diameter is greater than the embedded division of ontology, in slide cartridge
Seat is embedded in the rear end of synchronous belt wheel base in conjunction with the front end of embedded division on the basis of mutually fixing with synchronous belt wheel base by fastener
It is interior, so that the connection of slide cartridge seat and synchronous belt wheel base is even closer, so that shell be enable preferably to bear each components in rear end
Weight improve the job stability of entire Show knife head, ensure that machining accuracy.
In above-mentioned Show knife head, two center of synchronous pulley is fixed with drive sleeve, and drive sleeve is cylindrical in shape, passes
Dynamic set rear inside wall is equipped with internal spline, and rear-end of spindle has the adapter section with external splines, and main shaft is in drive sleeve, adapter section
External splines matched with the internal spline of drive sleeve rear end, drive sleeve rear end is protruded into embedded division, drive sleeve rear end and embedded division
Between be equipped with deep groove ball bearing one, between drive sleeve front end and synchronous belt wheel base be equipped with deep groove ball bearing two.
In the fixed drive sleeve cylindrical in shape in two center of synchronous pulley, drive sleeve rear inside wall is equipped with internal spline, and in master
Shaft rear end processes the adapter section with external splines, allows main shaft to pass through drive sleeve and makes the external splines and drive sleeve rear end on adapter section
Internal spline match, in this way when main shaft be moved forward and backward when by adapter section still be able to guarantee main shaft and drive sleeve it is circumferentially fixed
Together.
In above-mentioned Show knife head, it is equipped with annular barrier portion on the outside of the drive sleeve, in synchronous belt wheel base front end
Equipped with annular convex, deep groove ball bearing two is fixed on drive sleeve front end, and the inner ring rear end face and annular of deep groove ball bearing two hinder
Front end face every portion leans, and the outer ring front end face of deep groove ball bearing two and the rear end face of annular convex lean, before embedded division
End face is equipped with cavity, and deep groove ball bearing one is fixed on drive sleeve rear end, and deep groove ball bearing one is located in cavity.
Deep groove ball bearing two is fixed on inner ring rear end face and the annular barrier portion of drive sleeve front end and deep groove ball bearing two
Front end face leans, and the outer ring front end face of deep groove ball bearing two and the rear end face of annular convex lean, such drive sleeve just by
Limit forward movement；Meanwhile cavity is set in embedded division front end face, deep groove ball bearing one is fixed on drive sleeve rear end, deep
As soon as ditch ball bearing is located in cavity, such drive sleeve, which is limited, to be moved backward.
In above-mentioned Show knife head, two front end face of synchronous pulley is resisted against the rear end face in annular barrier portion
On, two rear end face of synchronous pulley is equipped with annular protrusion, the inner ring front end face phase of the rear end face and deep groove ball bearing one of annular protrusion
Against.
Two front end face of synchronous pulley is resisted against on the rear end face in annular barrier portion, since drive sleeve is by axial limiting, in this way
Synchronous pulley two is just moved forward by limitation, while annular protrusion, the rear end face of annular protrusion is arranged in two rear end of synchronous pulley
It leans with the inner ring front end face of deep groove ball bearing one, such synchronous pulley two is limited again to be moved backward.
In above-mentioned Show knife head, the adapter section rear end is fixed with connector, and connector is located at big slide cartridge
Spring bearing one is fixed in front end, on connector, big slide cartridge leading inside is equipped with annular abutment face, the rear end of spring bearing one
Face part is resisted against on annular abutment face, and is fixedly arranged at the front end with big bearing cap, big bearing cap and spring bearing one in big slide cartridge
Front end face leans.
Axial limit is formd to spring bearing one using the setting of annular abutment face and big bearing cap to fix, and spring bearing
One is fixed on connector, so that rear-end of spindle has been axially fixed in together with big slide cartridge front end, in this way before and after main shaft
Feeding motor one, screw rod one, small slide cartridge and pull rod etc. will be driven to be moved forward and backward when mobile together by big slide cartridge, thus
It ensure that the normal function of this Show knife head.
In above-mentioned Show knife head, the back end of tie rod has Connecting jont, and Connecting jont is located in small slide cartridge front end,
Be fixed with spring bearing two on Connecting jont, small slide cartridge leading inside is equipped with annular blocking surface, the rear end face of spring bearing two against
It is fixedly arranged at the front end with small bearing cap on annular blocking surface, and in small slide cartridge, the front end face of small bearing cap and spring bearing two offsets
It leans on.
Axial limit is formd to spring bearing two using the setting of annular blocking surface and small bearing cap to fix, and spring bearing
Two are fixed on the Connecting jont of back end of tie rod, therefore back end of tie rod has just been axially fixed in together with small slide cartridge front end, in this way when
Screw rod one can realize the back-and-forth motion of pull rod when being moved forward and backward by the one small slide cartridge of driving of nut set, since small slide cartridge is arranged
In in big slide cartridge and big slide cartridge is supported by slide cartridge seat, therefore main shaft and screw rod is being replaced to bear each components weight using shell
It ensure that the normal back-and-forth motion of pull rod while measuring to improve machining accuracy.
In above-mentioned Show knife head, it is equipped with plate interconnecting piece on the outside of the housing rear end, after plate interconnecting piece
End face is fixed with motor cabinet two, and two rear end of motor cabinet is fixed with feeding motor two, and axial limiting is able to rotate in motor cabinet two
Screw rod two, be connected with shaft coupling two between two rear end of screw rod and the output shaft for feeding motor two, sliding is provided with set in shell
Cylinder, main shaft is threaded through in sleeve and main shaft and sleeve axial restraint, sleeve rear end are fixed with connecting plate, run through on the outside of housing rear end
It is provided with recessing groove, recessing groove extends along the front-rear direction of shell, and connecting plate stretches out shell from recessing groove, is fixed on connecting plate
Nut set two, two front end of screw rod are threadedly coupled with nut set two.
Before and after main shaft when feeding, screw rod two is driven to rotate by shaft coupling two by the output shaft of feeding motor two, screw rod two
It is threadedly coupled with nut set two and is drivingly connected plate and is inconjunction with sleeve back-and-forth motion, simultaneously because main shaft and sleeve axial restraint,
Therefore final main shaft can be moved forward and backward with sleeve.
In above-mentioned Show knife head, the hull outside is fixed with two sliding rails, and recessing groove is between two sliding rails
And two sliding rail extend along the front-rear direction of shell, be respectively arranged with sliding block along two sliding rails, it is solid on the connecting plate outside shell
Surely there are two link blocks, two link blocks are mutually fixed with corresponding sliding block respectively.
Sliding block is respectively set on two sliding rails, two link blocks, two link blocks difference are fixed on the connecting plate outside shell
It is mutually fixed with corresponding sliding block, when screw rod two covers two drive sleeves by nut and is moved forward and backward, before two sliding blocks can be along sliding rail
It moves afterwards to play support and guiding role to connecting plate.
Compared with prior art, this Show knife head is using slide cartridge seat is supported big slide cartridge, big slide cartridge is to small slide cartridge
It is supported and motor cabinet a pair of feeding motor one is supported, so that shell bears each zero instead of main shaft and pull rod
The weight of part due to shell itself heavier-weight and has certain volume, what the weight of each components generated shell
Influence can be ignored, to improve the operation is stable well while guaranteeing Show knife head normal working performance
Property, it is ensured that machining accuracy.
Detailed description of the invention
Fig. 1 is the schematic diagram of this Show knife head.
Fig. 2 is the cross-sectional view of this Show knife head.
Fig. 3 is the partial enlarged view in Fig. 2 at this Show knife head rear end.
Fig. 4 is the enlarged drawing in Fig. 3 at A.
Fig. 5 is the enlarged drawing in Fig. 3 at B.
In figure, 1, shell；1a, plate interconnecting piece；1b, recessing groove；1c, installation bulge loop；2, main shaft；2a, adapter section；2b,
Connector；3, pull rod；3a, Connecting jont；4, slide cartridge seat；4a, ontology；4b, embedded division；4b1, lug；5, big slide cartridge；5a, annular
Abutment face；6, small slide cartridge；6a, annular blocking surface；7, nut set one；8, screw rod one；9, motor cabinet one；10, motor one is fed；
11, shaft coupling one；12, mounting bracket；13, rotating electric machine；14, synchronous belt wheel base；14a, annular convex；15, synchronous pulley one；
16, synchronous pulley two；17, drive sleeve；17a, annular barrier portion；18, deep groove ball bearing one；19, deep groove ball bearing two；20, it props up
Support bearing one；21, big bearing cap；22, spring bearing two；23, small bearing cap；24, motor cabinet two；25, motor two is fed；26,
Screw rod two；27, shaft coupling two；28, sleeve；29, connecting plate；30, nut set two；31, sliding rail；32, sliding block；33, link block；
34, synchronous belt.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figure 1, a kind of Show knife head, including shell 1, in a rectangular parallelepiped shape, the front and back end of shell 1 is shell to shell 1
The length direction of body 1 is equipped with installation bulge loop 1c on the outside of shell 1, and when installing Show knife head, 1 front end of shell is protruded into processing and set
In standby casing, installation bulge loop 1c is resisted against on casing and utilizes across installation bulge loop 1c and penetrate the fastener in casing for exhibition
Knife power head is fixed on the casing of process equipment.
As depicted in figs. 1 and 2, the main shaft 2 that can be rotated is equipped in shell 1, shell is stretched out in the front and rear end of main shaft 2
Body 1 and main shaft 2 can be moved forward and backward along shell 1.Specifically, plate interconnecting piece 1a is equipped on the outside of 1 rear end of shell, plate connects
The rear end face of socket part 1a is fixed with motor cabinet 2 24, and 2 24 rear end of motor cabinet is fixed with feeding motor 2 25, motor cabinet 2 24
Interior axial limiting has the screw rod 2 26 being able to rotate, and is connected with shaft coupling between 2 26 rear end of screw rod and the output shaft for feeding motor 2 25
Device 2 27.Sliding is provided with sleeve 28 in shell 1, and main shaft 2 is threaded through in sleeve 28 and main shaft 2 and 28 axial restraint of sleeve, set
28 rear ends of cylinder are fixed with connecting plate 29, are provided through recessing groove 1b on the outside of 1 rear end of shell, recessing groove 1b is along the front and back of shell 1
Direction extends, and connecting plate 29 stretches out shell 1 from recessing groove 1b, and nut set 2 30,2 26 front end of screw rod are fixed on connecting plate 29
It is threadedly coupled with nut set 2 30.Two sliding rails 31 are fixed on the outside of shell 1, recessing groove 1b is between two sliding rails 31, two sliding rails
31 extend along the front-rear direction of shell 1, sliding block 32 are respectively arranged on two sliding rails 31, on the connecting plate 29 outside shell 1
Two link blocks 33 are fixed with, two link blocks 33 are fixed with corresponding 32 phase of sliding block respectively.
As shown in Figures 2 and 3, pull rod 3 is equipped in main shaft 2,1 rear end of shell is fixed with slide cartridge seat 4, edge in slide cartridge seat 4
Front-rear direction sliding is provided with big slide cartridge 5 and the two is circumferentially fixed, 2 rear end of main shaft and big 5 axial restraint of slide cartridge and the two energy phase
To rotation, sliding is provided with small slide cartridge 6 along the longitudinal direction in big slide cartridge 5 and the two is circumferentially fixed, and main shaft 2 is stretched out in 3 rear end of pull rod
Rear end and with small 6 front end axial restraint of slide cartridge, small 6 rear end of slide cartridge is fixed with nut set 1, is equipped in small slide cartridge 6 and nut
Cover the screw rods 1 of one 7 threaded connections, big 5 rear end of slide cartridge is fixed with motor cabinet 1, the rear end of motor cabinet 1 be fixed with into
To motor 1, one 8 rear end of screw rod extends to the output shaft of in motor cabinet 1 and one 8 rear end of screw rod and feeding motor 1
Between be connected with shaft coupling 1.For the circumferentially fixed of big slide cartridge 5 and small slide cartridge 6, can be used in big slide cartridge side through setting
Bar shaped pilot hole is set, bar shaped pilot hole extends along the longitudinal direction and guide part is arranged on the outside of small slide cartridge 6, and guide part is led through bar shaped
Stretched out to hole, by the cooperation of guide part and bar shaped pilot hole can make big slide cartridge 5 with small slide cartridge 6 circumferentially fixed and small slide cartridge
6 can move along front-rear direction relative to big slide cartridge 5.Likewise, big slide cartridge 5 can also be used with the circumferentially fixed of slide cartridge seat 4
Aforesaid way.
When in use, slidable sliding shoe, 3 front end of pull rod and sliding are equipped in the fixed tool apron in 2 front end of main shaft, tool apron
Block is connected, and tool apron back-and-forth motion may be implemented to realize the length feed of process tool by the back-and-forth motion of main shaft 2, pass through
The traverse feed of process tool may be implemented in the back-and-forth motion of pull rod 3.
When main shaft 2 being needed to be moved forward and backward, screw rod 2 26 is driven by shaft coupling 2 27 by the output shaft of feeding motor 2 25
Rotation, screw rod 2 26 is threadedly coupled with nut set 2 30 and is drivingly connected plate 29 and is inconjunction with the back-and-forth motion of sleeve 28, due to main shaft 2
With 28 axial restraint of sleeve, therefore main shaft 2 will be moved forward and backward with sleeve 28.Since 2 rear end of main shaft and big slide cartridge 5 are axial solid
Fixed, feeding motor 1 is fixed by motor cabinet 1 and big 5 phase of slide cartridge, and small slide cartridge 6 is axial by nut set 1 and screw rod 1
It is fixed, 3 rear end of pull rod and small 6 axial restraint of slide cartridge, therefore pull rod 3 is also before and after synchronizing during main shaft 2 is moved forward and backward
Mobile.When pull rod 3 being needed to be moved forward and backward, one 8 turns of screw rod are driven by shaft coupling 1 by the output shaft of feeding motor 1
Dynamic, screw rod 1 is threadedly coupled with nut set 1 and small slide cartridge 6 is driven to be moved forward and backward, and the small back-and-forth motion of slide cartridge 6 will drive drawing
Bar 3 is moved forward and backward.
As shown in Figures 2 and 3, the rear end face of shell 1 is fixed with mounting bracket 12, is fixed with electric rotating in mounting bracket 12
Machine 13,1 rear end face of shell are fixed with synchronous belt wheel base 14, and synchronous belt wheel base 14 is located in mounting bracket 12, rotating electric machine 13
Output shaft protrudes into mounting bracket 12 and is fixed with synchronous pulley 1, is equipped with the synchronization that can be rotated on the inside of synchronous belt wheel base 14
Belt wheel 2 16,2 16 axial limiting of synchronous pulley is in synchronous belt wheel base 14, and synchronous pulley 2 16 and main shaft 2 are circumferentially fixed simultaneously
It is slidably connected.Power is transmitted by synchronous belt 34 between synchronous pulley 1 and synchronous pulley 2 16, in order to enable synchronous belt 34
It enough covers on synchronous pulley 2 16, needs to process two resigning breach in the outside of synchronous belt wheel base 14.Main shaft 2 is needed to carry out
When rotation, rotated by the output shaft of rotating electric machine 13, synchronous pulley 1 is rotated with output shaft synchronous, while synchronous pulley one
15 drive synchronous pulley 2 16 to rotate by synchronous belt 34, and synchronous pulley 2 16 is just inconjunction with main shaft 2 and is rotated.
As shown in figure 3, the rear end face of synchronous belt wheel base 14 is open, 4 front end outer side of slide cartridge seat is equipped with lug 4b1, slide cartridge seat 4
With synchronous belt wheel base 14 by passing through lug 4b1 and the fastener that penetrates in 14 rear end face of synchronous belt wheel base is mutually fixed.Slide cartridge seat 4
Including cylindric ontology 4a and it is fixed on the embedded division 4b of the front end ontology 4a, big slide cartridge 5 is located in ontology 4a, embedded division 4b
Outer diameter is greater than ontology 4a, and the front end of embedded division 4b is embedded in the rear end of synchronous belt wheel base 14, and lug 4b1 is set to embedded division 4b's
Outside.
As shown in figure 3,14 2 center of synchronous belt wheel base is fixed with drive sleeve 17, drive sleeve 17 is cylindrical in shape, after drive sleeve 17
Inner sidewall is held to be equipped with internal spline, 2 rear end of main shaft has the adapter section 2a with external splines, and main shaft 2 passes through drive sleeve 17, adapter section 2a
On external splines matched with the internal spline of 17 rear end of drive sleeve, 17 rear end of drive sleeve extends in embedded division 4b, after drive sleeve 17
It is equipped with deep groove ball bearing 1 between end and embedded division 4b, deep-groove ball axis is equipped between 17 front end of drive sleeve and synchronous belt wheel base 14
Hold 2 19.It is equipped with annular barrier portion 17a on the outside of drive sleeve 17, is equipped with annular convex 14a, deep-groove ball in 14 front end of synchronous belt wheel base
Bearing 2 19 is fixed on 17 front end of drive sleeve, the inner ring rear end face of deep groove ball bearing 2 19 and the front end of annular barrier portion 17a
Face leans, and the outer ring front end face and the rear end face of annular convex 14a of deep groove ball bearing 2 19 lean.The front end of embedded division 4b
Face is equipped with cavity, and deep groove ball bearing 1 is fixed on the rear end of drive sleeve 17, and deep groove ball bearing 1 is located in cavity.It is synchronous
2 16 front end face of belt wheel is resisted against on the rear end face of annular barrier portion 17a, and the rear end face of synchronous pulley 2 16 is equipped with annular protrusion,
The rear end face of annular protrusion and the inner ring front end face of deep groove ball bearing 1 lean.
As shown in figure 4, in the present embodiment, the rear end adapter section 2a is fixed with connector 2b, connector 2b is located at big sliding
In the front end of cylinder 5, spring bearing 1 is fixed on connector 2b, big 5 leading inside of slide cartridge is equipped with annular abutment face 5a, support
The rear end face part of bearing 1 is resisted against on the 5a of annular abutment face, and is fixedly arranged at the front end with big bearing cap 21 in big slide cartridge 5, greatly
Bearing cap 21 and the front end face of spring bearing 1 lean.Big bearing cap 21 matched with annular abutment face 5a and by support shaft
One 20 axial limitings are held in big slide cartridge 5, such main shaft 2 just realizes axial restraint with big 5 front end of slide cartridge, thus feeding
When 2 25 driving spindle 2 of motor is moved forward or rearward, main shaft 2 can be inconjunction with feeding motor 2 25, small cunning by big slide cartridge 5
Cylinder 6 and pull rod 3 are synchronized and are moved forward or rearward.
As shown in figure 5,3 rear end of pull rod has Connecting jont 3a, Connecting jont 3a is located in small 6 front end of slide cartridge, on Connecting jont 3a
It is fixed with spring bearing 2 22, small 6 leading inside of slide cartridge is equipped with annular blocking surface 6a, and the rear end face of spring bearing 2 22 is resisted against
On annular blocking surface 6a, and small bearing cap 23, the front end of small bearing cap 23 and spring bearing 2 22 are fixedly arranged at the front end in small slide cartridge 6
Face leans.Small bearing cap 23 matches with annular blocking surface 6a and limits 2 22 axis of spring bearing in small slide cartridge 6,
Pull rod 3 just realizes axial restraint with small 6 front end of slide cartridge in this way, to pass through screw rod 1 and nut set in feeding motor 1
One 7 threaded connection and when small slide cartridge 6 being driven to be moved forward and backward, small slide cartridge 6, which is able to drive pull rod 3 and synchronizes, to be moved forward or rearward.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (10)
1. a kind of Show knife head including shell (1) and is threaded through the main shaft (2) that in shell (1) and can be rotated, main shaft
(2) shell (1) is stretched out in front and rear end and main shaft (2) can be moved forward and backward along shell (1), along axial direction in main shaft (2)
It is equipped with pull rod (3), which is characterized in that described shell (1) rear end is fixed with slide cartridge seat (4), along front and back in slide cartridge seat (4)
Sliding is provided with big slide cartridge (5) and the two is circumferentially fixed, main shaft (2) rear end and big slide cartridge (5) axial restraint and the two energy phase
To rotation, sliding is provided with small slide cartridge (6) along the longitudinal direction in big slide cartridge (5) and the two is circumferentially fixed, and pull rod (3) rear end is stretched out
Main shaft (2) rear end and with small slide cartridge (6) front end axial restraint, small slide cartridge (6) rear end be fixed with nut cover one (7), small slide cartridge (6)
It is inside equipped with and covers the screw rod one (8) that one (7) are threadedly coupled with nut, big slide cartridge (5) rear end is fixed with motor cabinet one (9), electricity
Base one (9) rear end is fixed with feeding motor one (10), and screw rod one (8) rear end extends in motor cabinet one (9) and screw rod one
(8) shaft coupling one (11) is connected between rear end and the output shaft for feeding motor one (10).
2. Show knife head according to claim 1, which is characterized in that described shell (1) rear end is fixed with installation branch
Frame (12) is fixed with rotating electric machine (13) in mounting bracket (12), and shell (1) rear end is fixed with synchronous belt wheel base (14), synchronous
Band wheel seat (14) is located in mounting bracket (12), and the output shaft of rotating electric machine (13) is protruded into mounting bracket (12) and is fixed with same
It walks belt wheel one (15), the synchronous pulley two (16) that can be rotated, synchronous pulley two (16) set is equipped on the inside of synchronous belt wheel base (14)
On main shaft (2) and the two is circumferentially fixed, is passed between synchronous pulley one (15) and synchronous pulley two (16) by synchronous belt (34)
Graduating power, synchronous belt wheel base (14) rear end face opening, slide cartridge seat (4) front end outer side be equipped with lug (4b1), slide cartridge seat (4) with
Synchronous belt wheel base (14) is by passing through lug (4b1) and the fastener that penetrates in synchronous belt wheel base (14) rear end face is mutually fixed.
3. Show knife head according to claim 2, which is characterized in that the slide cartridge seat (4) includes cylindric sheet
Body (4a) and it is fixed on the embedded division (4b) that the ontology front end (4a) and outer diameter are greater than ontology (4a), big slide cartridge (5) is located at ontology
In (4a), lug (4b1) is located on the outside of embedded division (4b), the rear end of front end insertion synchronous belt wheel base (14) of embedded division (4b)
It is interior.
4. Show knife head according to claim 3, which is characterized in that described synchronous pulley two (16) center is fixed with
Drive sleeve (17), drive sleeve (17) is cylindrical in shape, and drive sleeve (17) rear inside wall is equipped with internal spline, and main shaft (2) rear end has band
The adapter section (2a) of external splines, main shaft (2) pass through drive sleeve (17), external splines and drive sleeve (17) rear end on adapter section (2a)
Internal spline match, drive sleeve (17) rear end is protruded into embedded division (4b), between drive sleeve (17) rear end and embedded division (4b)
Equipped with deep groove ball bearing one (18), deep groove ball bearing two (19) is equipped between drive sleeve (17) front end and synchronous belt wheel base (14).
5. Show knife head according to claim 4, which is characterized in that be equipped with annular resistance on the outside of the drive sleeve (17)
Every being equipped with annular convex (14a) in portion (17a), synchronous belt wheel base (14) front end, deep groove ball bearing two (19) is fixed on drive sleeve
(17) on front end, the inner ring rear end face and the front end face of annular barrier portion (17a) of deep groove ball bearing two (19) lean, deep-groove ball
The outer ring front end face of bearing two (19) and the rear end face of annular convex (14a) lean, and embedded division (4b) front end face is equipped with cavity,
Deep groove ball bearing one (18) is fixed on drive sleeve (17) rear end, and deep groove ball bearing one (18) is located in cavity.
6. Show knife head according to claim 5, which is characterized in that synchronous pulley two (16) front end face against
On the rear end face of annular barrier portion (17a), synchronous pulley two (16) rear end face is equipped with annular protrusion, the rear end face of annular protrusion
It leans with the inner ring front end face of deep groove ball bearing one (18).
7. Show knife head according to claim 4, which is characterized in that described rear end adapter section (2a) is fixed with company
Connector (2b), connector (2b) are located in big slide cartridge (5) front end, are fixed with spring bearing one (20) on connector (2b), big sliding
Cylinder (5) leading inside is equipped with annular abutment face (5a), and the rear end face part of spring bearing one (20) is resisted against annular abutment face
On (5a), and it is fixedly arranged at the front end with big bearing cap (21) in big slide cartridge (5), the front end of big bearing cap (21) and spring bearing one (20)
Face leans.
8. Show knife head according to claim 1, which is characterized in that pull rod (3) rear end has Connecting jont
(3a), Connecting jont (3a) are located in small slide cartridge (6) front end, and spring bearing two (22), small slide cartridge (6) are fixed on Connecting jont (3a)
Leading inside is equipped with annular blocking surface (6a), and the rear end face of spring bearing two (22) is resisted against on annular blocking surface (6a), and
Small slide cartridge (6) is fixedly arranged at the front end with small bearing cap (23), and small bearing cap (23) and the front end face of spring bearing two (22) lean.
9. Show knife head according to claim 1, which is characterized in that be equipped with plate on the outside of described shell (1) rear end
Interconnecting piece (1a), the rear end face of plate interconnecting piece (1a) are fixed with motor cabinet two (24), and motor cabinet two (24) rear end is fixed with
Feed motor two (25), the interior axial limiting of motor cabinet two (24) has a screw rod two (26) being able to rotate, screw rod two (26) rear end with into
To shaft coupling two (27) is connected between the output shaft of motor two (25), sliding is provided with sleeve (28), main shaft in shell (1)
(2) it is threaded through in sleeve (28) and main shaft (2) and sleeve (28) axial restraint, sleeve (28) rear end is fixed with connecting plate (29),
It is provided through recessing groove (1b) on the outside of shell (1) rear end, recessing groove (1b) extends along the front-rear direction of shell (1), connecting plate
(29) shell (1) is stretched out from recessing groove (1b), nut is fixed on connecting plate (29) and covers two (30), screw rod two (26) front end and spiral shell
Mother set two (30) is threadedly coupled.
10. Show knife head according to claim 9, which is characterized in that be fixed with two sliding rails on the outside of the shell (1)
(31), recessing groove (1b) is between two sliding rails (31) and two sliding rails (31) extend along the front-rear direction of shell (1), two sliding rails
(31) it is respectively arranged with sliding block (32) on, is located on the connecting plate (29) of shell (1) outside and is fixed with two link blocks (33), two are coupled
Block (33) is mutually fixed with corresponding sliding block (32) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910204362.5A CN109732384A (en) | 2019-03-18 | 2019-03-18 | A kind of Show knife head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910204362.5A CN109732384A (en) | 2019-03-18 | 2019-03-18 | A kind of Show knife head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109732384A true CN109732384A (en) | 2019-05-10 |
Family
ID=66370798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910204362.5A Pending CN109732384A (en) | 2019-03-18 | 2019-03-18 | A kind of Show knife head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109732384A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110899732A (en) * | 2019-12-04 | 2020-03-24 | 浙江双正科技股份有限公司 | Power head |
| CN111283223A (en) * | 2020-03-04 | 2020-06-16 | 浙江双正科技股份有限公司 | Power head |
| CN111520066A (en) * | 2020-04-27 | 2020-08-11 | 台州市木落自动化科技有限公司 | Improved full-hydraulic anchoring power head |
| CN113941886A (en) * | 2020-07-15 | 2022-01-18 | 浙江双正科技股份有限公司 | Cutter unfolding power head |
| CN116604109A (en) * | 2023-07-10 | 2023-08-18 | 台州市神鹰机床有限公司 | Waterwheel type double-track servo spreading tool bit |
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| CN111283223B (en) * | 2020-03-04 | 2022-04-12 | 浙江双正科技股份有限公司 | Power head |
| CN111520066A (en) * | 2020-04-27 | 2020-08-11 | 台州市木落自动化科技有限公司 | Improved full-hydraulic anchoring power head |
| CN113941886A (en) * | 2020-07-15 | 2022-01-18 | 浙江双正科技股份有限公司 | Cutter unfolding power head |
| CN116604109A (en) * | 2023-07-10 | 2023-08-18 | 台州市神鹰机床有限公司 | Waterwheel type double-track servo spreading tool bit |
| CN116604109B (en) * | 2023-07-10 | 2024-01-16 | 台州市神鹰机床有限公司 | Waterwheel type double-track servo spreading tool bit |
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