CN208495380U - A kind of compound forging rolling metal tube forming machine - Google Patents
A kind of compound forging rolling metal tube forming machine Download PDFInfo
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- CN208495380U CN208495380U CN201821131714.6U CN201821131714U CN208495380U CN 208495380 U CN208495380 U CN 208495380U CN 201821131714 U CN201821131714 U CN 201821131714U CN 208495380 U CN208495380 U CN 208495380U
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Abstract
The utility model discloses a kind of compound forging rolling metal tube forming machines.It include: sequentially connected feed device, compound forging rolling forming device and transmission device；Compound forging rolling forming device includes: shaping dies, bearing block connecting rod, stroke spur gear, rack gear, die tracks frame, forming rack；Shaping dies is made of three sectorial blocks, and is in 120 ° of equidistant placements around pipe central axis；Centered on each fan-shaped mould block, it is symmetrically arranged bearing block connecting rod and stroke spur gear in its two sides, three is set on same mould shaft；Shaping dies is set in die tracks frame, and die tracks frame is fixedly connected with forming rack.The utility model moving component is few, inertia is small, and the operation of rolling is stablized；Multiway shaping not only can reduce single mold stress, and the dimensional accuracy and surface quality of tubing also can be improved；Rack negligible amounts, equipment investment are low simultaneously.
Description
Technical field
The utility model relates to metal pipe material former fields, further say, are to be related to a kind of compound forging rolling metal
Pipe forming machine.
Background technique
The equipment of forming tubular product is commercially used for mainly by rotary forging mill, three-roll cross rolling mill and stretch reducing at present
Machine.
Rotary forging mill is to be sent into tubing as composed by the pass of plug and cyclic movement by certain frequency
In groove, for inner wall under the support of plug, the Varied section pass by gradually tapering up rolls pipe, realizes tube reducing and subtracts wall function.
The common mainly two roller Pilger pipe mills of rotary forging mill, but since rack and roll are back and forth transported during the rolling process
Dynamic, moving component is more and inertia is big, causes rolling process stability poor, and rolling mill structure is complicated, maintenance adjustment is more difficult；
Duo mill institute tube rolling material dimensional accuracy is low, surface quality is poor.
Be evenly spaced in around rolling centerline between three rolls of three-roll cross rolling mill in 120 °, roll axis with roll
Centerline dip processed intersects angled (i.e. roll off angle and feed angle), is threadingly advanced pipe under roll effect, institute
Rolling pipe outer surface will form " helix ", influence surface quality, and tail portion is easy to appear " triangle " defect and causes to roll card.
Three-roller tension reducing mill generally forms a series of passes by 10 or more racks, passes through adjacent rack roll rotational speed
Speed difference tension is provided, to complete the hollow tube reducing of pipe, but since rack number is larger, equipment investment is very
Greatly, production line is longer, and occupied area is larger, and equipment is adjusted and controlled complex.
Utility model content
A kind of compound forging rolling metal tube forming machine is provided to solve the problem, the utility model in the prior art,
Its moving component is few, inertia is small, and the operation of rolling is stablized；Multiway shaping not only can reduce single mold stress, and pipe also can be improved
The dimensional accuracy and surface quality of material；Rack negligible amounts, equipment investment are low simultaneously.
The purpose of the utility model is to provide a kind of compound forging rolling metal tube forming machines.
It include: sequentially connected feed device, compound forging rolling forming device and transmission device；
Compound forging rolling forming device include: shaping dies, bearing block connecting rod, stroke spur gear, rack gear, die tracks frame,
Shape rack；Shaping dies is made of three sectorial blocks, and is in 120 ° of equidistant placements around pipe central axis；With each flat back die
Centered on having block, it is symmetrically arranged bearing block connecting rod and stroke spur gear in its two sides, three is set on same mould shaft；
Shaping dies is set in die tracks frame, and die tracks frame is fixedly connected with forming rack；
Transmission device includes: driving frame, main shaft, intermediate propeller shaft, drive bevel gear and eccentric wheel；Transmission mechanism
End be three eccentric wheels, eccentric wheel passes through camshaft respectively and connects drive bevel gear；And pass through drive bevel gear and master
Transmission shaft or intermediate transmission axis connection；Main shaft and intermediate propeller shaft are placed in driving frame by bearing positioning；
Three eccentric wheels pass through connecting rod of eccentric wheel respectively and connect with the bearing block connecting rod of compound forging rolling forming device.
It is preferred that:
The compound forging rolling metal tube forming machine further includes induction heating apparatus；Induction heating apparatus is arranged in feed device
Between compound forging rolling forming device；Induction heating apparatus is used for the heating of blank when hot forming；
The induction heating apparatus includes: load coil and induction heating equipment control cabinet.
The compound forging rolling metal tube forming machine further includes material-receiving device；
The material-receiving device is arranged after compound forging rolling forming device；
Mold block along roll to rectilinear path range be 0~325mm, mold block swing angle range be 0~116.5 °,
The moving displacement and rotation angle of mold are controlled by stroke spur gear, thus each moment all has stringent corresponding relationship.
Common feeding device in the prior art can be used in above-described material-receiving device and feed device, can reach and connect
The effect of feeding.
Following technical scheme specifically can be used in the utility model:
A kind of compound forging rolling metal tube forming machine.It is formed including four parts: (1) feeding device, including splicing and feeding
Rack is mainly made of blank feed mechanism, blank clamping device and blank rotating mechanism, can accurately control stepping up for blank
With loosen, feed and retreat and spinning movement；(2) induction heating apparatus, mainly by induction heating equipment and induction heating line
Circle composition, is mainly used for the heating of blank when hot forming；(3) compound forging rolling forming device, mainly by three fan-shaped mould block groups
At rolling groove, while cooperating corresponding core unit to complete the forming of blank jointly；(4) transmission device, mainly by being driven
Axis and transmission gear and corresponding crank link mechanism are constituted, and may be implemented by electric motor drives to mold movement
Synchronization, accurate control.
Wherein sending and (connect) hydraulic chuck in material device is blank clamping device, is provided needed for blank by hydraulic coupling
Chucking power controls stepping up and loosening for blank；Hydraulic chuck be installed on from base of the carrier head stretch out axis one end, the other end of axis with
A pair of of reduction gearing is connected by flat key, and the rotation of reduction gearing, can be with by the Serve Motor Control that is installed on above base of the carrier head
The spinning movement of blank is realized by the programming to servo motor；It is installed on walking dolly with upper-part, walking dolly quilt
Motor driven, by walking, guide wheel moves forward and backward on positioning guide rail.
Induction heating apparatus is mainly made of load coil and induction heating equipment control cabinet.
Compound forging rolling forming device include: shaping dies, bearing block connecting rod, stroke spur gear, rack gear, die tracks frame,
Fixed forming rack etc..Shaping dies is made of three sectorial blocks, and is in around pipe central axis (i.e. rolling centerline)
120 ° of equidistant placements, each sectorial block type face include tube reducing, subtract wall and sizing section, and the forming of blank may be implemented；With each fan
Centered on shape mold block, it is symmetrically arranged bearing block connecting rod and stroke spur gear in its two sides, three is installed in same mould
Have on axis.When work, bearing block connecting rod is transmitted mechanism drive and does reciprocating linear motion, the transmitting that this movement passes through mould shaft
So that stroke spur gear makees reciprocating linear and rotary motion on the rack gear engaged；Due to fan-shaped mould block and stroke straight-tooth
Wheel is opposing stationary during the motion, thus each fan-shaped mould block also makees reciprocating linear and rotary motion simultaneously.Above-mentioned component
It is placed in die tracks frame, track box is securely connect with fixed forming rack by bolt realization, and the two was shaping
It is remain stationary in journey.Mold along roll to rectilinear path range be 0~325mm, mold swing angle range be 0~116.5 °,
The moving displacement and rotation angle of mold are controlled by spur gear, thus each moment all has stringent corresponding relationship.
Transmission device includes: driving frame, main shaft, intermediate propeller shaft, drive bevel gear, eccentric wheel etc..Motor
Power is inputted by main shaft, and realizes " one drags three " multidirectional distribution by intermediate propeller shaft and drive bevel gear；Transmission mechanism
End be three eccentric wheels, three eccentric wheels are connect with bearing block connecting rod by connecting rod of eccentric wheel respectively, form three groups of cranks
Link mechanism, to realize the linear reciprocating motion of bearing block connecting rod；Three eccentric wheel constant speed, etc. corners rotation, ensure that
The synchronism of three fan-shaped mould blocks movement.
The forming step of the metal pipe billet of the utility model are as follows:
(1) blank is chosen, scale is cut；
(2) blank is mounted in rotary shafts, blank front end is supported by feeding support roller, and blank tail portion is by hydraulic chuck
Step up, guarantees that core model passes through blank inner hole；
(3) walking dolly electric motor starting drives walking dolly to lead 3 and moves on positioning guide rail, to push blank forward
Feeding；By load coil, after blank heating, it is sent into forming rack and (is sent directly into after blank feeding when cold forming
Shape rack)；
(4) after blank completion is once-forming, servo motor will drive a pair of of reduction gearing, revolve hydraulic chuck and blank
Turn 15~90 °, while continuing again to shape blank feeding swing forming rack；
(5) it when blank front end enters splicing rack, is supported by support roller, is stepped up by the hydraulic chuck of splicing rack,
The hydraulic chuck of rotary shafts unclamps pipe tail end simultaneously, and pipe is further fed under the drive of splicing hydraulic chuck later
Forming, until whole root canal base completes deformation；
(6) cooling and cutting to length；
Shaping dies described in the utility model is made of three fan-shaped mold blocks swung, is in around pipe central axis
120 ° of equidistant placements, mold block pass through the crank link mechanism being driven by motor and synchronize swing, and mold block is around its connecting shaft
Connecting shaft is doing linear reciprocating motion while rotation, mold along roll to rectilinear path range be 0~325mm, mold is swung
Angular range is 0~116.5 °, and each moment, its moving displacement was strictly corresponded to rotation angle.
Material-receiving device described in the utility model is used to shape the blank of cut lengths 0.5-10m, shapes cut lengths
When shorter blank, material-receiving device can be used not；Induction heating apparatus is used for the heating of blank when hot forming, when cold forming
Not use；
Compared with prior art, possessed beneficial effect is the utility model:
The operation of rolling is stablized, and avoids equipment caused by rotary forging mill rack moves back and forth and shakes；Rack quantity is few,
Convenient for adjusting control；Progressive forming is not in roll card or tail portion " triangle " defect；Equipment gross investment is low, and occupied area is small.
Detailed description of the invention
Fig. 1 is the compound forging rolling metal tube forming machine schematic diagram of the utility model；
Fig. 2 is the transmission device schematic diagram of the utility model；
Fig. 3 is the compound forging rolling forming device schematic diagram of the utility model；
Fig. 4 is the lateral sectional view of Fig. 3；
Fig. 5 is the load coil schematic diagram of the utility model；
Fig. 6 is the core unit schematic diagram of the utility model；
Fig. 7 is the feed device schematic diagram of the utility model；
Fig. 8 is the material-receiving device schematic diagram of the utility model；
Description of symbols:
1 splicing rack；2 driving frames；3 forming racks；4 load coils；5 induction heating equipment control cabinets；6 bases
Material；7 core models；8 rotary shafts；9 connecting rod of eccentric wheel；10 forming gantry bases；11 main shafts；Tooth is bored in 12 intermeshing transmissions
Take turns A；13 intermeshing drive bevel gear B；14 intermeshing drive bevel gear C；15 intermeshing drive bevel gear D；
16 intermediate propeller shafts；17 camshafts；18 eccentric wheels；19 connecting shafts；20 bearing block connecting rods；21 fan-shaped mould blocks；22 molds
Axis；23 stroke spur gears；24 rack gears；25 die tracks frames；26 feeding support rollers；27 hydraulic chucks；28 servo motors；29 subtract
Fast pinion gear；30 deceleration gear wheels；31 base of the carrier head；32 walking dollies；33 walking dolly guide wheels；34 positioning guide rails；35 core models are fixed
Position seat；36 material conveying platforms；37 supporting legs；38 walking dolly motors；39 splicing support rollers.
Specific embodiment
Below with reference to embodiment, the utility model is further illustrated.
The utility model is described in detail in the following with reference to the drawings and specific embodiments:
Embodiment 1:
As shown in Fig. 1~8, a kind of compound forging rolling metal tube forming machine.
It include: sequentially connected feed device, compound forging rolling forming device, transmission device, induction heating apparatus and splicing
Device；
Compound forging rolling forming device include: shaping dies, bearing block connecting rod, stroke spur gear, rack gear, die tracks frame,
Shape rack；Shaping dies is made of three sectorial blocks, and is in 120 ° of equidistant placements around pipe central axis；With each flat back die
Centered on having block, it is symmetrically arranged bearing block connecting rod and stroke spur gear in its two sides, three is set on same mould shaft；
Shaping dies is set in die tracks frame, and die tracks frame is fixedly connected with forming rack；
Transmission device includes: driving frame, main shaft, intermediate propeller shaft, drive bevel gear and eccentric wheel；Transmission mechanism
End be three eccentric wheels, eccentric wheel passes through camshaft respectively and connects drive bevel gear；And pass through drive bevel gear and master
Transmission shaft or intermediate transmission axis connection；Main shaft and intermediate propeller shaft are placed in driving frame by bearing positioning；
Three eccentric wheels pass through connecting rod of eccentric wheel respectively and connect with the bearing block connecting rod of compound forging rolling forming device.
Induction heating apparatus is arranged between feed device and compound forging rolling forming device；Induction heating apparatus for heat at
The heating of blank when shape；The induction heating apparatus includes: load coil and induction heating equipment control cabinet.
The material-receiving device is arranged after compound forging rolling forming device；
Mold block along roll to rectilinear path range be 0~325mm, mold block swing angle range be 0~116.5 °,
The moving displacement and rotation angle of mold are controlled by spur gear, thus each moment all has stringent corresponding relationship.
Specifically,
Blank 6 is mounted in rotary shafts 8, blank front end is supported by feeding support roller 26, and blank tail portion is by hydraulic clip
First 27 step up, and guarantee that core model 7 passes through 6 inner hole of blank；When blank is sent into, walking dolly motor 38 starts and drives walking dolly
Guide wheel 33 moves on positioning guide rail 34, so that blank be driven to advance；When blank enters load coil 4, added rapidly
Heat arrives target temperature, and it is (not heated after blank feeding when cold forming to be sent directly into forming machine to be then sent to forming rack 3
Frame).Forming rack 3 in, three fan-shaped mould blocks 21 around pipe central axis be in 120 ° of equidistant placements, fan-shaped mould block 21 with
A pair of of stroke spur gear 23 is fastened on mould shaft 22 by flat key, and bearing block connecting rod 20 passes through bearing and mould shaft 22
Cooperation is formed, stroke spur gear makees reciprocating rotary and linear motion, fan-shaped mould block, stroke spur gear, bearing on rack gear 24
Seat connecting rod, mould shaft and rack gear are installed on die tracks frame 25, and die tracks frame, which is bolted, is fixed on forming machine
On frame 3.In driving frame 2, motor driven main shaft 11, and rotated by bevel gear A12 and intermediate propeller shaft 16, it drives
Bevel gear B13, bevel gear C14, bevel gear D15 and camshaft 17 and eccentric wheel 18 rotate.Eccentric wheel 18 passes through connecting shaft 19
It is connect with connecting rod of eccentric wheel 9 with bearing block connecting rod 20, driving forms the reciprocating rotary and straight line that spur gear and mold synchronize
Movement.Blank complete it is once-forming after, reduction pinion teeth 29, deceleration gear wheel 30 and hydraulic are driven by servo motor 28
Collet 27 rotates so that blank rotates 15-90 °, while continuing for blank to be sent into and shape again.When blank front end enters receiver
When frame 1, is supported, stepped up blank front end by the hydraulic chuck of splicing rack 1, while rotary shafts 8 by splicing support roller 39
Hydraulic chuck blank tail end is unclamped, blank further shapes under the drive of material-receiving device later, until whole root canal base is complete
At forming, cooling later, cutting to length.
Embodiment 2
Preparation process:
(1) choosing Q235 high-frequency straight seam welded pipe is blank, blank original outer diameter 86mm, wall thickness 4.5mm, and cut lengths is
3m；
(2) blank is mounted in rotary shafts 8, blank front end is supported by feeding support roller 26, and blank tail portion is by feeding
Hydraulic chuck 27 steps up, and guarantees that core model 7 passes through blank inner hole；
(3) starting of walking dolly motor 38 drives feeding hydraulic cylinder motor gear 39 to rotate on feeding positioning guide rail 32,
Walking dolly motor 38 start simultaneously drive walking dolly guide wheel 33 to move on positioning guide rail 34, drive blank with 1.5m/min into
Speed advance 25mm is given, by load coil 4, by blank heating to after 1000 DEG C, is sent into forming rack 3；
(4) after blank completion is once-forming, passes through servo motor 28 and drive reduction gearing 29,30 and feeding hydraulic chuck
27 rotations allow 60 ° of pipe blank rotary, while continuing for blank to be sent into and shape again after the heating of induction coil 4；
(5) until being supported by support roller 39, when blank front end enters splicing rack 1 by the splicing liquid of splicing rack 1
Pressure collet steps up, while feeding hydraulic chuck unclamps pipe tail end, later pipe under the drive of material-receiving device further into
To forming, until whole root canal base completes forming；
(6) cooling and cutting to length；
Embodiment 3
(it is blank, blank original outer diameter 60mm, wall thickness 4mm, cut lengths 6m that (1), which chooses copper tube,；
(2) blank is mounted in rotary shafts 8, blank front end is supported by feeding support roller 26, and blank tail portion is by feeding
Hydraulic chuck 27 steps up, and guarantees that core model 7 passes through blank inner hole；
(3) starting of walking dolly motor 38 drives feeding hydraulic cylinder motor gear 39 to rotate on feeding positioning guide rail 32,
Walking dolly motor 38 starts and walking dolly guide wheel 33 is driven to move on positioning guide rail 34, and blank is driven to feed with 3m/min
Speed advance 10mm is sent into forming rack 3；
(4) after blank completion is once-forming, passes through servo motor 28 and drive reduction gearing 29,30 and feeding hydraulic chuck
27 rotations allow 45 ° of pipe blank rotary, while continuing for blank to be sent into and shape again；
(5) until being supported by support roller 39, when blank front end enters splicing rack 1 by the splicing liquid of splicing rack 1
Pressure collet steps up, while feeding hydraulic chuck unclamps pipe tail end, later pipe under the drive of material-receiving device further into
To forming, until whole root canal base completes forming；
(6) cooling and cutting to length；
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For, under the premise of not departing from principle described in the utility model, it can also make several improvements and retouch, these are improved and profit
Decorations also should be regarded as the protection scope of the utility model.
Claims (5)
1. a kind of compound forging rolling metal tube forming machine, it is characterised in that:
The compound forging rolling metal tube forming machine includes: sequentially connected feed device, compound forging rolling forming device and transmission dress
It sets；
Compound forging rolling forming device includes: shaping dies, bearing block connecting rod, stroke spur gear, rack gear, die tracks frame, forming
Rack；Shaping dies is made of three sectorial blocks, and is in 120 ° of equidistant placements around pipe central axis；With each fan-shaped mould block
Centered on, it is symmetrically arranged bearing block connecting rod and stroke spur gear in its two sides, three is set on same mould shaft；Forming
Mold is set in die tracks frame, and die tracks frame is fixedly connected with forming rack；
Transmission device includes: driving frame, main shaft, intermediate propeller shaft, drive bevel gear and eccentric wheel；The end of transmission mechanism
End is three eccentric wheels, and eccentric wheel passes through camshaft respectively and connects drive bevel gear；And pass through drive bevel gear and main transmission
Axis or intermediate transmission axis connection；Main shaft and intermediate propeller shaft are placed in driving frame by bearing positioning；
Three eccentric wheels pass through connecting rod of eccentric wheel respectively and connect with the bearing block connecting rod of compound forging rolling forming device.
2. compound forging rolling metal tube forming machine as described in claim 1, it is characterised in that:
The compound forging rolling metal tube forming machine includes induction heating apparatus；Induction heating apparatus setting is in feed device and compound
Between forging rolling forming device.
3. compound forging rolling metal tube forming machine as claimed in claim 2, it is characterised in that:
The induction heating apparatus includes: load coil and induction heating equipment control cabinet.
4. compound forging rolling metal tube forming machine as described in claim 1, it is characterised in that:
The compound forging rolling metal tube forming machine includes material-receiving device；
The material-receiving device is arranged after compound forging rolling forming device.
5. compound forging rolling metal tube forming machine as described in claim 1, it is characterised in that:
Mold block along roll to rectilinear path range be 0~325mm, mold block swing angle range be 0~116.5 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821131714.6U CN208495380U (en) | 2018-07-17 | 2018-07-17 | A kind of compound forging rolling metal tube forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821131714.6U CN208495380U (en) | 2018-07-17 | 2018-07-17 | A kind of compound forging rolling metal tube forming machine |
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| Publication Number | Publication Date |
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| CN208495380U true CN208495380U (en) | 2019-02-15 |
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ID=65289385
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| CN201821131714.6U Active CN208495380U (en) | 2018-07-17 | 2018-07-17 | A kind of compound forging rolling metal tube forming machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020015556A1 (en) * | 2018-07-17 | 2020-01-23 | 韩静涛 | Medium/small-diameter thick-walled metal tube and preparation method therefor |
| WO2020015554A1 (en) * | 2018-07-17 | 2020-01-23 | 韩静涛 | Composite forging and rolling metal tube forming machine |
-
2018
- 2018-07-17 CN CN201821131714.6U patent/CN208495380U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020015556A1 (en) * | 2018-07-17 | 2020-01-23 | 韩静涛 | Medium/small-diameter thick-walled metal tube and preparation method therefor |
| WO2020015554A1 (en) * | 2018-07-17 | 2020-01-23 | 韩静涛 | Composite forging and rolling metal tube forming machine |
| CN110722003A (en) * | 2018-07-17 | 2020-01-24 | 韩静涛 | Composite forging and rolling metal pipe forming machine |
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