CN110000259A - A kind of Full-automatic tube bending machine bend pipe structure - Google Patents
A kind of Full-automatic tube bending machine bend pipe structure Download PDFInfo
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- CN110000259A CN110000259A CN201910361448.9A CN201910361448A CN110000259A CN 110000259 A CN110000259 A CN 110000259A CN 201910361448 A CN201910361448 A CN 201910361448A CN 110000259 A CN110000259 A CN 110000259A
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- rack
- bar
- bend pipe
- floating
- bending machine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
- B21D7/024—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention belongs to bending machine technical fields, and in particular to a kind of Full-automatic tube bending machine bend pipe structure, including rack are provided with main shaft and first driving device in rack, and first driving device is connect by rack and pinion drive mechanism with main shaft；It is socketed with floating curved boom on main shaft, the first floating slider and the second driving device are provided on floating curved boom, is provided with the first fixture block on the first floating slider；Fixed arm is additionally provided in rack, the second floating slider and third driving device are provided on fixed arm, the second fixture block is provided on second floating slider, main shaft is also coaxially connected to be provided with directive wheel, is provided with guide groove on the first fixture block, the second fixture block and directive wheel；Bend pipe structure of the invention is simple and reasonable, low using the serious bend pipe precision of rear deformation for a long time compared to traditional chain drive, can muchly keep bend pipe precision using rack and pinion drive mechanism.
Description
Technical field
The invention belongs to bending machine technical fields, and in particular to a kind of Full-automatic tube bending machine bend pipe structure.
Background technique
The bend pipe structure of traditional bending machine drives retarder by chain drive bending pipe arm using servo motor, for a long time
Using rear chain deformation occurs influence bend pipe precision.
Summary of the invention
In order to solve the above problems existing in the present technology, the present invention provides a kind of Full-automatic tube bending machine bend pipe structure,
It is researched and developed for the bend pipe structure of the bending machine of the prior art using the case where bend pipe low precision caused by chain drive, there is knot
Structure advantages of simple can more muchly keep bend pipe precision.
The present invention implements by the following technical programs:
Full-automatic tube bending machine bend pipe structure of the invention, including rack are provided in the rack described in main shaft and driving
The first driving device of main axis, the first driving device are connect by rack and pinion drive mechanism with the main shaft；Institute
Stating rack and pinion drive mechanism includes driving gear, the two-sided rack and the driven gear sequentially engaged, the driving gear and institute
First driving device connection is stated, the driven gear is set on the main shaft.
Further, floating curved boom is socketed on the main shaft, be provided on the floating curved boom the first floating slider and
The second driving device of the first floating slider movement is driven, is provided with the first fixture block on first floating slider.
Further, it is additionally provided with fixed arm in the rack, the second floating slider and drive are provided on the fixed arm
The third driving device of the second floating slider movement is moved, is provided with the second fixture block on second floating slider.
Further, the main shaft is also coaxially connected is provided with guiding axis, and directive wheel, institute are also arranged on the guiding axis
It states and is provided with guide groove on the first fixture block, the second fixture block and the directive wheel, on first fixture block and second fixture block
Guide groove setting opposite with the guide groove on the directive wheel form the channel that passes through for pipeline.
Further, the two-sided rack includes sequentially connected first groove section, the second groove section and optical axis, and described
One groove section is engaged with the driven gear, and the second groove section is engaged with the driving gear, is provided in the rack
Positioning seat, the optical axis sliding are threaded through in the positioning seat.
Further, the first driving device includes motor and retarder interconnected, and the motor is servo electricity
Machine, the driving geared sleeve are located on the output shaft of the retarder.
Further, second driving device includes first hydraulic cylinder and the first sequentially hinged bar, the second bar, third
Bar and the 4th bar, the piston rod of the first hydraulic cylinder are connect with the hinge joint of second bar and third bar, first liquid
Cylinder pressure and the floating curved boom are hinged.
Further, one end of first bar and first floating slider are hinged, the other end of first bar with
The floating curved boom is hinged；One end of 4th bar and first floating slider are hinged, the other end of the 4th bar with
The floating curved boom is hinged.
Further, the third driving device includes second hydraulic cylinder and the 5th bar and the 6th bar that are hinged, institute
The one end for stating the piston rod and the 5th bar of second hydraulic cylinder is hinged, one end of the 6th bar and second floating slider
Hingedly.
Further, it is also connected in the rack and is provided with pressure regulation position-limit mechanism, the pressure regulation position-limit mechanism and the drive
Moving gear is located at the opposite two sides of the two-sided rack.
Further, the pressure regulation position-limit mechanism includes wheel cap, and sliding is provided with bearing block, the bearing in the wheel cap
Pin shaft is provided in seat, rotation is provided with bearing on the pin shaft；The wheel, which covers, is provided with threaded hole, matches in the threaded hole
Close the pressure regulating screw having for offseting with the bearing block.
Further, the rack includes head and mounting plate, and the head is connected by relocation mechanism and the mounting plate
It connects, the main shaft, first driving device, floating curved boom and fixed arm are arranged on the head, and the directive wheel has extremely
The guide groove of few two different bores, the head by the relocation mechanism act to the directive wheel guide groove it
Between switch over.
Further, the relocation mechanism includes guiding mechanism and driving mechanism, and the guiding mechanism includes being slidably matched
The first guide rail and the first sliding block, first guide rail is vertically arranged on the mounting plate, and first sliding block is arranged in institute
It states on head.
Further, the driving mechanism includes third hydraulic cylinder, and laterally the second guide rail, institute are provided on the mounting plate
It states and mold changing seat is sliding combined with by the second sliding block on the second guide rail, the piston rod of the third hydraulic cylinder and the mold changing seat connect
It connects, the mold changing seat tool has an inclined guide surface, and the lower rotation of the head is provided with mold changing wheel, the mold changing wheel and institute
It states guide surface and rolls cooperation.
It further, further include auxiliary delivery device, the auxiliary delivery device includes the 4th cylinder, the 4th cylinder
It is fixed on second floating slider, the piston rod of the 4th cylinder is connect with second fixture block.
Based on above technical scheme, technical effect of the invention are as follows:
The first, Full-automatic tube bending machine bend pipe structure of the invention is simple and reasonable, and motor drives retarder to pass through gear
The ipsilateral of steel pipe, first fixture block is arranged in second fixture block in the rotation of rack gear driving spindle, the first fixture block
The two sides of steel pipe are oppositely arranged on the directive wheel, main axis drives floating curved boom to swing, at this time second on fixed arm
Fixture block and the directive wheel play clamping action to steel pipe, and the first fixture block on floating curved boom is as the swing of floating curved boom is to steel
Pipe carries out bend pipe；
The second, the rack and pinion drive mechanism of Full-automatic tube bending machine bend pipe structure of the invention is using driving gear, two-sided
Rack gear and driven gear avoid the complexity of traditional transmission mechanism, are existed using first driving device setting when the two-sided rack
The space of rack is saved, has avoided some complex-shaped pipe fittings to rack without being mounted below rack in the side of rack
Lower section generates interference.
The technical effect of the preferred technical solution of the present invention are as follows:
The first, Full-automatic tube bending machine bend pipe structure of the invention is additionally provided with pressure regulation position-limit mechanism, when the two-sided rack is worn
Afterwards, rack gear is pushed by pressure regulation position-limit mechanism, guarantees the transmission accuracy of rack and pinion drive mechanism, makes rack and pinion drive mechanism
It is more durable while also ensuring bend pipe precision；
The second, the rack of Full-automatic tube bending machine bend pipe structure of the invention includes mounting plate and head, head and mounting plate
Between by relocation mechanism connect, directive wheel have at least two different guide grooves, the head pass through the relocation mechanism
Movement between the guide groove of the directive wheel to switch over, to meet the steel pipe of different tube diameters.
Third, Full-automatic tube bending machine bend pipe structure of the invention the second fixture block on be also connected with and be provided with auxiliary pusher
Structure can play the role of assisting push when the second fixture block and directive wheel clamp steel pipe jointly by the flexible of the 4th cylinder.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the Full-automatic tube bending machine bend pipe structure of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram at another visual angle of the Full-automatic tube bending machine bend pipe structure of the embodiment of the present invention；
Fig. 3 is the schematic diagram of internal structure of the Full-automatic tube bending machine bend pipe structure of the embodiment of the present invention；
Fig. 4 is the schematic diagram of internal structure at another visual angle of Full-automatic tube bending machine bend pipe structure of the embodiment of the present invention；
Fig. 5 is the structural schematic diagram of the second driving device of the embodiment of the present invention；
Fig. 6 is the structural schematic diagram of the third driving device of the embodiment of the present invention；
Fig. 7 is the structural schematic diagram of the two-sided rack of the embodiment of the present invention；
Fig. 8 is the structural schematic diagram of the pressure regulation position-limit mechanism of the embodiment of the present invention.
In figure:
1- rack, 100- head, 200- mounting plate；2- main shaft；3- drives gear；4- the two-sided rack, the first groove of 401-
Section, 402- the second groove section, 403- optical axis；5- driven gear；6- floating curved boom；The first floating slider of 7-；The first fixture block of 8-；9-
Fixed arm；The second floating slider of 10-；The second fixture block of 11-；12- guiding axis；13- directive wheel；14- positioning seat；15- motor；16-
Retarder；17- first hydraulic cylinder；18- second hydraulic cylinder；19- pressure regulation position-limit mechanism, 1901- wheel cap；1902- bearing block；
1903- pin shaft；1904- bearing；1905- pressure regulating screw；The first guide rail of 20-；The first sliding block of 21-；22- third hydraulic cylinder；23-
Two guide rails；The second sliding block of 24-；25- changes the mold seat；26- mold changing wheel；The 4th cylinder of 27-；28- bumping post.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
Embodiment:
As shown in FIG. 1 to FIG. 7, a kind of Full-automatic tube bending machine bend pipe structure, including rack, the machine are present embodiments provided
Frame includes head 100 and mounting plate 200, and the head 100 is connect by relocation mechanism with the mounting plate 200, the head
100 can be moved up and down on the mounting plate 200 by the relocation mechanism.
Specifically, the head 100 is hollow structure, and main shaft 2 is provided on the head 100 and drives the main shaft 2
The first driving device of rotation, the first driving device are located at the side of the head 100, and the first driving device passes through
Rack and pinion drive mechanism is connect with the main shaft 2, and the rack and pinion drive mechanism is located in the head 100.
The rack and pinion drive mechanism includes the driving gear 3, the two-sided rack 4 and driven gear 5 sequentially engaged, described
Driving gear 3 is connect with the first driving device, and in the present embodiment, the first driving device includes motor interconnected
15 and retarder 16, the motor 15 is servo motor, and the driving gear 3 is set on the output shaft of the retarder 16,
The driven gear 5 is set on the main shaft 2.
As further improvement of this embodiment, it is socketed with floating curved boom 6 on the main shaft 2, is set on the floating curved boom 6
It is equipped with the second driving device that the first floating slider 7 and driving first floating slider 7 act, first floating slider 7
On be provided with the first fixture block 8.
As further improvement of this embodiment, it is additionally provided with fixed arm 9 in the rack, is arranged on the fixed arm 9
The third driving device for thering is the second floating slider 10 and driving second floating slider 10 to act, second floating slider 10
On be provided with the second fixture block 11.
As further improvement of this embodiment, the main shaft 2 is also coaxially connected to be provided with guiding axis 12, the guiding axis
It is also arranged with directive wheel 13 on 12, is provided with guide groove on first fixture block 8, the second fixture block 11 and the directive wheel 13,
Wherein, first fixture block 8 and second fixture block 11 are located at that steel pipe is ipsilateral, and the first fixture block 8 is opposite with the directive wheel 13 sets
Set the guiding on the guide groove and the directive wheel 13 on the two sides of steel pipe, first fixture block 8 and second fixture block 11
The opposite setting of slot forms the channel passed through for pipeline.
The main shaft 2, first driving device, floating curved boom 6 and fixed arm 9 are arranged on the head 100, described to lead
There is the guide groove of at least two different bores to wheel 13, the head 100 is acted by the relocation mechanism to described
It is switched between the guide groove of directive wheel 13.
The Full-automatic tube bending machine bend pipe structure of the present embodiment is in bend pipe in use, directive wheel 13 and the second fixture block 11 are made jointly
With clamping steel pipe, when carrying out bend pipe movement, the second driving device drives the first fixture block 8 so that its guide groove is caught in steel close to steel pipe
Pipe, motor 15 drive retarder 16 to rotate by rack and pinion drive mechanism driving spindle 2, and the rotation of main shaft 2 drives floating curved boom 6
Rotation, the first fixture block 8 carry out bending to steel pipe as floating curved boom 6 is rotated together.
Based on above structure, the Full-automatic tube bending machine bend pipe structure of the present embodiment is had the advantage that
The Full-automatic tube bending machine bend pipe structure of the present embodiment has just used rack and pinion drive mechanism driving spindle 2 to rotate, and keeps away
The problem of traditional chain-drive mechanism uses back elbow accuracy decline for a long time is exempted from, rack and pinion drive mechanism uses driving
The application of gear, the two-sided rack and driven gear, especially the two-sided rack avoids the complexity of traditional transmission mechanism, greatly
Space is saved greatly, the side for making motor 15 and retarder 16 that head 100 be arranged in can drive the rotation of floating curved boom 6 to bend steel
Pipe, big quantity space has been saved below head 100, when needing to bend some complex-shaped pipe fittings, will not generate interference,
Increase the adaptation range of bend pipe structure.
Specifically, the two-sided rack 4 includes sequentially connected first groove section 401, the second groove section 402 and optical axis
403, the first groove section 401 is engaged with the driven gear 5, and the second groove section 402 is nibbled with the driving gear 3
It closes, positioning seat 14 is provided in the rack, the sliding of optical axis 403 is threaded through in the positioning seat 14, the positioning seat 14
Several positioning bearings are inside provided with, are not regarded in figure, the positioning bearing and the positioning seat 14 are interference fitted, the double cog
The optical axis 403 of item 4 is slidably matched with the positioning bearing.
Specifically, second driving device includes first hydraulic cylinder 17 and the first sequentially hinged bar 101, the second bar
102, third bar 103 and the 4th bar 104, the piston rod of the first hydraulic cylinder 17 and second bar 102 and third bar 103
Hinge joint connection, the first hydraulic cylinder 17 and the floating curved boom 6 are hinged.
As further improvement of this embodiment, one end of first bar 101 and first floating slider 7 are hinged,
The other end of first bar 101 and the floating curved boom 6 are hinged；One end of 4th bar 104 and first floating are slided
Block 7 is hinged, and the other end of the 4th bar 104 and the floating curved boom 6 are hinged.
Based on above structure, when Full-automatic tube bending machine is when pushing steel pipe or rotating steel tube, the first hydraulic cylinder 17
Piston rod is shunk, and the first fixture block 8 is far from the steel pipe at this time, when carrying out bending steel pipe, the piston of first hydraulic cylinder 17
Bar stretches out, and so that the first fixture block 8 is fastened steel pipe and is bent.
As further improvement of this embodiment, the third driving device includes second hydraulic cylinder 18 and is hinged
5th bar 105 and the 6th bar 106, the piston rod of the second hydraulic cylinder 18 and one end of the 5th bar 105 are hinged, and described
One end of six bars 106 and second floating slider 10 are hinged.
As further improvement of this embodiment, it is also connected in the rack and is provided with pressure regulation position-limit mechanism 19, the tune
Pressure position-limit mechanism 19 and the driving gear 3 are located at the opposite two sides of the two-sided rack 4；It is double after long-time use
Face rack gear 4 is worn, and can be adjusted engaging for driving gear 3 and the two-sided rack 4 by pressure regulation position-limit mechanism 19, be made rack-and-pinion
Transmission mechanism is more durable, keeps permanent bend pipe precision.
Specifically, the pressure regulation position-limit mechanism 19 includes wheel cap 1901, and the wheel cap 1901 is fixed at head 100
On, sliding is provided with bearing block 1902 in the wheel cap 1901, and pin shaft 1903, the pin shaft are provided in the bearing block 1902
On 1903 rotation be provided with bearing 1904, threaded hole is provided on the wheel cap 1901, be combined in the threaded hole for
The pressure regulating screw 1905 that the bearing block 1902 offsets.
The driving gear 3 and 19 structure of pressure regulation position-limit mechanism are located at the two sides of the two-sided rack 4, as compared with
Excellent selection, pressure regulation position-limit mechanism described in the present embodiment 19 are located at the top of the two-sided rack 4, and described driving gear 3
In the lower section of the two-sided rack 4.
Based on above structure, the pressure regulation position-limit mechanism 19 in specific application, the bearing rotated in bearing block 1902
1904 roll with the upper surface of the two-sided rack 4 and cooperate, when drive gear 3 and the two-sided rack 4 meshing state it is poor when, Ke Yixuan
It adjusts pressure regulating screw 1905 that it is made to offset with the bearing block 1902 in wheel cap 1901, bearing 1904 is made to push the two-sided rack 4, guarantee double
Face rack gear 4 and driving 3 meshing state of gear are good, to guarantee bend pipe precision.
As further improvement of this embodiment, as described in Figure 4, the lower section of the fixed arm 9, which also rotates, is provided with bumping post
28, the bumping post 28 is located at the two sides of the two-sided rack 4 with the driven gear 5, in the first groove of the two-sided rack 4
When section 401 is engaged with driven gear 5, the bumping post 28 of rotation plays position-limiting action to the two-sided rack 4 and will not wear double cog
Item 4.
As further improvement of this embodiment, the quantity of the pressure regulation position-limit mechanism 19 is two, two pressure regulation
Position-limit mechanism 19 is located at the two sides of the driving gear 3 and 4 engagement place of the two-sided rack.
Specifically, the relocation mechanism includes guiding mechanism and driving mechanism, and the guiding mechanism includes being slidably matched
First guide rail 20 and the first sliding block 21, first guide rail 20 are vertically arranged on the mounting plate 200, first sliding block 21
It is arranged on the head 100.
As further improvement of this embodiment, the driving mechanism includes third hydraulic cylinder 22, on the mounting plate 200
It is provided with laterally the second guide rail 23, mold changing seat 25 is sliding combined with by the second sliding block 24 on second guide rail 23, described the
The piston rod of three hydraulic cylinders 22 is connect with the mold changing seat 25, and the mold changing seat 25 has an inclined guide surface, the head
100 lower rotation is provided with mold changing wheel 26, and the mold changing wheel 26 is rolled with the guide surface to be cooperated.
In the present embodiment, there are two guide grooves for the tool of directive wheel 13, as shown in Figure 1, working as the piston of third hydraulic cylinder 22
When cylinder stretches, mold changing wheel 26 and the upper end of guide surface offset at this time, and head 100 is in upper limit position at this time, when third is hydraulic
When the piston rod of cylinder 22 is shunk, head 100 is in lower limit position, and head can be realized in flexible by third hydraulic cylinder 22
The adjusting of 100 height, so that the height for adjusting directive wheel 13 makes the steel pipe of the guide groove adaptation different tube diameters of its different size.
It further include auxiliary delivery device as further improvement of this embodiment, the auxiliary delivery device includes the 4th
Cylinder 27, the 4th cylinder 27 are fixed on second floating slider 10, the piston rod of the 4th cylinder 27 with
Second fixture block 11 connects, can stretching by the 4th cylinder 27 when the second fixture block 11 is with the clamping steel pipe jointly of directive wheel 13
Shrink auxiliary push effect.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.
Claims (10)
1. a kind of Full-automatic tube bending machine bend pipe structure, it is characterised in that: including rack, be provided in the rack main shaft (2) and
Drive the main shaft (2) rotate first driving device, the first driving device by rack and pinion drive mechanism with it is described
Main shaft (2) connection；The rack and pinion drive mechanism includes the driving gear (3), the two-sided rack (4) and driven tooth sequentially engaged
It takes turns (5), the driving gear (3) connect with the first driving device, and the driven gear (5) is set in the main shaft (2)
On；
It is socketed with floating curved boom (6), the first floating slider (7) is provided on the floating curved boom (6) and drives on the main shaft (2)
The second driving device of the first floating slider (7) movement is moved, is provided with the first fixture block on first floating slider (7)
(8)；
It is additionally provided in the rack fixed arm (9), the second floating slider (10) and driving institute is provided on the fixed arm (9)
The third driving device of the second floating slider (10) movement is stated, is provided with the second fixture block on second floating slider (10)
(11)；
The main shaft (2) is also coaxially connected to be provided with guiding axis (12), is also arranged with directive wheel (13) on the guiding axis (12),
Guide groove, first fixture block (8) are provided on first fixture block (8), the second fixture block (11) and the directive wheel (13)
It is formed with the guide groove setting opposite with the guide groove on the directive wheel (13) on second fixture block (11) and is worn for pipeline
The channel crossed.
2. Full-automatic tube bending machine bend pipe structure according to claim 1, it is characterised in that: the two-sided rack (4) includes
Sequentially connected first groove section (401), the second groove section (402) and optical axis (403), the first groove section (401) and institute
Driven gear (5) engagement is stated, the second groove section (402) is engaged with the driving gear (3), and it is fixed to be provided in the rack
Position seat (14), optical axis (403) sliding are threaded through in the positioning seat (14).
3. Full-automatic tube bending machine bend pipe structure according to claim 2, it is characterised in that: the first driving device includes
Motor (15) interconnected and retarder (16), the motor (15) are servo motor, and the driving gear (3) is set in institute
On the output shaft for stating retarder (16).
4. Full-automatic tube bending machine bend pipe structure according to claim 3, it is characterised in that: second driving device includes
First hydraulic cylinder (17) and sequentially hinged the first bar (101), the second bar (102), third bar (103) and the 4th bar (104), institute
The piston rod for stating first hydraulic cylinder (17) is connect with the hinge joint of second bar (102) and third bar (103), first liquid
Cylinder pressure (17) and the floating curved boom (6) are hinged；
One end of first bar (101) and first floating slider (7) hingedly, the other end of first bar (101) with
The floating curved boom (6) is hinged；One end of 4th bar (104) and first floating slider (7) hingedly, the 4th bar
(104) the other end and the floating curved boom (6) is hinged.
5. Full-automatic tube bending machine bend pipe structure according to claim 4, it is characterised in that: the third driving device includes
Second hydraulic cylinder (18) and the 5th bar (105) being hinged and the 6th bar (106), the piston rod of the second hydraulic cylinder (18)
Hinged with one end of the 5th bar (105), one end of the 6th bar (106) and second floating slider (10) are hinged.
6. any Full-automatic tube bending machine bend pipe structure according to claim 1~5, it is characterised in that: in the rack also
It is connected with pressure regulation position-limit mechanism (19), the pressure regulation position-limit mechanism (19) and the driving gear (3) are located at described
The opposite two sides of the two-sided rack (4).
7. Full-automatic tube bending machine bend pipe structure according to claim 6, it is characterised in that: the pressure regulation position-limit mechanism (19)
Including wheel cap (1901), sliding is provided with bearing block (1902) in the wheel cap (1901), setting in the bearing block (1902)
Have pin shaft (1903), rotation is provided with bearing (1904) on the pin shaft (1903)；
It is provided with threaded hole on the wheel cap (1901), is combined in the threaded hole for offseting with the bearing block (1902)
Pressure regulating screw (1905).
8. any Full-automatic tube bending machine bend pipe structure according to claim 1~5, it is characterised in that: the rack includes
Head (100) and mounting plate (200), the head (100) are connect by relocation mechanism with the mounting plate (200), the master
Axis (2), first driving device, floating curved boom (6) and fixed arm (9) are arranged on the head (100), the directive wheel
(13) guide groove at least two different bores, the head (100) are acted by the relocation mechanism to described
It is switched between the guide groove of directive wheel (13).
9. Full-automatic tube bending machine bend pipe structure according to claim 8, it is characterised in that: the relocation mechanism includes guiding
Mechanism and driving mechanism, the guiding mechanism include the first guide rail (20) and the first sliding block (21) being slidably matched, and described first
Guide rail (20) is vertically arranged on the mounting plate (200), and first sliding block (21) is arranged on the head (100)；
The driving mechanism includes third hydraulic cylinder (22), and laterally the second guide rail (23), institute are provided on the mounting plate (200)
It states and is sliding combined with mold changing seat (25), the piston of the third hydraulic cylinder (22) by the second sliding block (24) on the second guide rail (23)
Bar is connect with the mold changing seat (25), and the mold changing seat (25) has an inclined guide surface, and the bottom of the head (100) turns
Dynamic to be provided with mold changing wheel (26), the mold changing wheel (26) and the guide surface, which roll, to be cooperated.
10. any Full-automatic tube bending machine bend pipe structure according to claim 1~5, it is characterised in that: further include that auxiliary pushes away
Mechanism is sent, the auxiliary delivery device includes the 4th cylinder (27), and it is floating that the 4th cylinder (27) is fixed at described second
On movable slider (10), the piston rod of the 4th cylinder (27) is connect with second fixture block (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910361448.9A CN110000259A (en) | 2019-04-30 | 2019-04-30 | A kind of Full-automatic tube bending machine bend pipe structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910361448.9A CN110000259A (en) | 2019-04-30 | 2019-04-30 | A kind of Full-automatic tube bending machine bend pipe structure |
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| CN110000259A true CN110000259A (en) | 2019-07-12 |
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| CN201910361448.9A Pending CN110000259A (en) | 2019-04-30 | 2019-04-30 | A kind of Full-automatic tube bending machine bend pipe structure |
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