CN2915300Y - Three-roller skew rolling tube grimper - Google Patents
Three-roller skew rolling tube grimper Download PDFInfo
- Publication number
- CN2915300Y CN2915300Y CN 200620019061 CN200620019061U CN2915300Y CN 2915300 Y CN2915300 Y CN 2915300Y CN 200620019061 CN200620019061 CN 200620019061 CN 200620019061 U CN200620019061 U CN 200620019061U CN 2915300 Y CN2915300 Y CN 2915300Y
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- Prior art keywords
- roll
- screw rod
- tapering
- mill
- roller
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- Expired - Fee Related
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Abstract
The utility model discloses a three-roll slant milling tube mill, which comprises a fuel tank, a heating furnace, a working machine seat, a transmission device and a driving device that sequentially arranged. The working machine seat comprises a rack, three-roller mechanism fixed on the rack, and a radial adjusting mechanism and a cooling device arranged on each roller mechanism. The structure of three-roller mechanism is same and an interval arrangement of 120 degree is mutually formed. The driving device is driven connected with the transmission device. The transmission device is transmitted connected with the roller mechanism. Wherein the roller mechanism comprises a roller shaft and a roller articulated with the roller shaft. The roller is divided as three continuous parts of an inlet cone component, a cylindrical even component and an outlet cone component. The two operations of the tube milling and reeling can be one-time completed in the working machine seat by the designing of the structure, which improves the productivity and also improves the precision of the processing dimension of the tube and smoothness of the surface of the processed steel tube. The utility model has a broad range of milling, and is suitable for the milling of different steel tubes.
Description
Technical field
The utility model relates to a kind of roller trio skew rolling pipe mill, and particularly a kind of have simple in structurely, and regulating effect is good, and possesses the roller trio skew rolling pipe mill of the radially adjusting device of equilibrium function simultaneously, and can finish tube rolling, expansion operation, production efficiency height simultaneously.
Background technology
Existing three-roll pipe mill, generally by frame, roll device, roll-adjusting gears, roll balance gear, roll transmission device etc., the structure of three roll devices is identical, become 120 ° to be provided with at interval each other, roll-adjusting gears, roll balance gear all adopt hydraulic means to realize that roll generally all is solid roller, cause the steel pipe scope of processing less, and it is low easily to produce machining accuracy, the percent defective height, and the service life of roll is low.For overcoming above-mentioned defective, Granted publication day is the Chinese patent CN2593920Y on December 24th, 2003, discloses a kind of roller trio skew rolling pipe mill, and it has adopted the collar roll, and collar is made cone, is equipped with simultaneously and opens oil cylinder soon.Though improved the problems referred to above to a certain extent, but existed the steel pipe precision of processing not enough, the little defective of steel pipe scope of processing.
The utility model content
The utility model provides a kind of three-roll pipe mill, because its mill roll mechanism is improved, tube rolling and expansion is finished in a working stand, has improved machining accuracy and working (machining) efficiency; Adopted the radially guiding mechanism of machinery simultaneously, simple in structure, easy operating, cost is low.
For achieving the above object, the utility model provides a kind of roller trio skew rolling pipe mill, comprise the oil cylinder that is provided with in turn, heating furnace, working stand, transmission device and drive unit, described working stand comprises frame, be fixed in three mill roll mechanisms on the frame and be located at radially guiding mechanism and cooling device on each mill roll mechanism, the structure of described three mill roll mechanisms is identical and be in 120 ° and be provided with at interval, described drive unit is connected with actuator drives, described transmission device and described mill roll mechanism are in transmission connection, wherein, described mill roll mechanism comprises roll mandrel and is sheathed on its outer roll that described roll is divided into three continuous parts: the import tapering, the all whole and outlet tapering of column type.The design in import tapering can make through the steel pipe after the heating furnace backheat and be rolled, and all whole of column type can carry out expansion to the pipe after rolling, with the surface flatness of the accurate to dimension that improves steel pipe and processed steel pipe; In addition, this kind structure Design is once finished tube rolling, expansion two procedures in working stand, improved production efficiency.
As a kind of optimal way, adopt the radially guiding mechanism of machinery in the utility model, concrete structure is: comprise first screw rod, second screw rod and the support bar that be arranged in parallel, support bar is positioned at first screw rod and the second screw rod centre position; The pitch of first screw rod and second screw rod is identical with rotation direction, is with supporting screw pipe on the described support bar, and the pitch of described supporting screw pipe and first screw rod is identical, rotation direction is opposite; Be fixed in connection gear while and first gear and second gears engaged that is fixed on second screw rod that are fixed on first screw rod on the described supporting screw pipe, described first screw rod and second screw rod pass described frame and are installed in the groove that is fixed in the cushion block on the contiguous block, and described cushion block is provided with baffle plate; Described contiguous block is fixedlyed connected with mill roll mechanism by bearing block; The described frame of passing described support bar is fixed on the described contiguous block, and the upper end of described support bar is provided with nut, is provided with stage clip between described nut and the described supporting screw pipe.Adopt the radially guiding mechanism of said structure,, first screw rod and second screw rod are moved up or down simultaneously, and then the drive mill roll mechanism moves radially the operating position of adjustment roll by independent adjustment first screw rod or second screw rod; Because the gap between first screw rod and the second screw rod lower end and the cushion block has been eliminated in the setting of support bar and stage clip, guaranteed the accuracy when roll is adjusted.
As a kind of preferred version, the axis of described roll mandrel becomes 3 °～9 ° with roll line, makes steel pipe to be processed enter working stand smoothly.
As a kind of preferred version, be formed with chamber between described roll and the roll mandrel.
Described cooling device comprises coolant pump; be sheathed on described roll two ends; and leave the left terminal pad and the right terminal pad of water channel between the roll mandrel; and the left water shutoff dish that has water inlet that is connected with right terminal pad with left terminal pad and have the right water shutoff dish of delivery port; described water channel is communicated with chamber between described roll and the roll mandrel; by coolant pump the water inlet of cold water from left water shutoff dish pumped into; water channel on the left terminal pad of process enters the chamber between roll and the roll mandrel; the delivery port of water channel on right terminal pad and right water shutoff dish flows out then; cool off by force breaker roll inside; bearing with roll mandrel separates simultaneously, has played the effect of protection bearing.
As further improved plan, the cone of described roll partly prolongs rolling direction and is divided into first tapering and second tapering, the tapering in taper ratio second tapering in first tapering is little 3 °～and 5 °, by this structure Design, steel pipe is entered with relative low-angle, carry out rollingly significantly with bigger angle, improved the condition of sending to, reduce the number of times of loaded vehicle.
As preferred version, the tapering in described first tapering is 3 °～9 °, makes steel pipe enter rolling operating position smoothly.
As preferred version, the tapering in described second tapering is 5 °～10 °, adopts the bigger tapering of tapering than first tapering, so that better rolled steel tube.
As further improvement project, described first screw rod or second screw rod are provided with handwheel, so that breaker roll is radially adjusted.
As preferred version, be respectively equipped with locking nut on described first screw rod and second screw rod, described locking nut is arranged on being fixed on the holder on the described frame, to play fixation of cooperating with described first screw rod and second screw flight.
Advantage of the present utility model is:
1, rolling quality is good, the dimensional accuracy height.Because roll of the present utility model has adopted roll sheath to be located at structure on the roll mandrel, and roll is made the shape of three continuous parts: all whole and outlet tapering of import tapering, column type, rolling and all whole expansion through the import tapering, the design and the arrangements for speed regulation that go out prostomum cooperate, and time processing can roll out the steel pipe up-to-standard, that dimensional accuracy is high.
2, production efficiency height.Because roll of the present utility model has adopted the shape of three continuous parts: all whole and outlet tapering of import tapering, column type, once can finish rolling, expansion, improved production efficiency.
3, rolling scope is big, can process the steel pipe of various sizes on a pipe mill.By the radially design of guiding mechanism, can adjust the operating position of roll easily, can process the steel pipe of different size, only needing to adjust the handwheel that is arranged on first screw rod or second screw rod can realize, easy to operate.
4, roll is adjusted the precision height.The radially guiding mechanism that the utility model adopts has the function of balance concurrently, except the rule that on frame, is provided with, also by the stage clip of the setting on the support bar, eliminated the gap between first screw rod and second screw rod and the cushion block, the pitch of first screw rod and second screw rod is identical with rotation direction, be right-handed thread, supporting screw pipe is identical with first screw pitch, is left hand thread, so that its same moved further, thereby reach the purpose of balance, and then improved the adjustment precision of roll.
5, simple in structure, cost is low.The utility model is simple in structure, and cost of manufacture is low, again can rolling various sizes steel pipe, especially be suitable for rolling undersized steel pipe.
Description of drawings
Fig. 1 is the generalized section of the working stand of the utility model one embodiment,
Fig. 2 is the generalized section of the radially guiding mechanism among Fig. 1.
The accompanying drawing sign
1, contiguous block 2, frame 3, first screw rod 4, first gear
5, handwheel 6, stage clip 7, promotion bearing 8, supporting screw pipe
9, second screw rod 10, locking nut 11, holder 12, baffle plate
13, cushion block 14, support bar 15, bearing block 16, bearing
17, delivery port 18, right water shutoff dish 19, right terminal pad 20, roll
21, roll mandrel 22, left terminal pad 23, left water shutoff dish 24, water inlet
25, radially guiding mechanism 26, second gear 27, connect gear 28, steel pipe
29, working stand
The specific embodiment
Below in conjunction with accompanying drawing the utility model is elaborated.
As shown in Figure 1, be the profile of working stand 29 among the embodiment of the present utility model.A kind of roller trio skew rolling pipe mill, comprise the oil cylinder, heating furnace, working stand, transmission device and the drive unit that are provided with in turn, described working stand 29 comprises frame 2, be fixed in three mill roll mechanisms on the frame 2 and be located at radially guiding mechanism 25 and cooling device (not shown) on each mill roll mechanism, the structure of described three mill roll mechanisms is identical and be in 120 ° and be provided with at interval, formed rolling working space, as shown in Figure 1.Described drive unit is connected with actuator drives, and described transmission device and described mill roll mechanism are in transmission connection, and comprise the adjustment motor and speed reducer in the drive unit, and transmission device comprises gear-box and power transmission shaft.
As shown in Figure 2, described radially guiding mechanism 25 comprises first screw rod 3, second screw rod 9 that be arranged in parallel and is positioned at first screw rod 3 and the support bar 14 of second screw rod, 9 centres; First screw rod 3 is identical with the pitch of second screw rod 9, and all adopts right-handed thread, is with supporting screw pipe 8 on the described support bar 14, and the pitch of described supporting screw pipe 8 and first screw rod 3 is identical, rotation direction is opposite; This supporting screw pipe 8 adopts left hand thread, so that same moved further; The connection gear 27 that is welded on the described supporting screw pipe 8 meshes with second gear 26 that is fixed in first gear 4 on first screw rod 3 and be fixed on second screw rod 9 simultaneously, described first screw rod 3 and second screw rod 9 pass described frame 2, are installed in the groove of cushion block 13, groove is provided with baffle plate 12, and described cushion block 13 is fixed on the contiguous block 1; Be respectively equipped with locking nut 10 on described first screw rod 3 and second screw rod 9, described locking nut 10 is arranged on and being fixed on the holder 11 on the described frame 2 of described first screw rod 3 and second screw rod, 9 threaded engagement, so that with two screw rods lockings.Described contiguous block 1 is fixedlyed connected with mill roll mechanism by bearing block 15, with mill roll mechanism and radially guiding mechanism 25 couple together; Described support bar 14 passes described frame 2 and is fixed on the described contiguous block 1, and the upper end of described support bar 14 is provided with nut, is provided with stage clip 6 between described nut and the described supporting screw pipe 8, and stage clip 6 is connected by promoting bearing 7 with supporting screw pipe 8.Described first screw rod 3 is provided with handwheel 5.Be provided with checkout gears such as rule with guiding mechanism 25 corresponding frames 2 radially, with the radially adjustment that guarantees roll apart from unanimity.
Described mill roll mechanism comprises roll mandrel 21 and is sheathed on its outer roll 20, described roll 20 is divided into three continuous parts: all whole and outlet tapering of import tapering, cylinder, the import tapering of roll 20 is prolonged rolling direction and is divided into first tapering and second tapering, and the tapering in taper ratio second tapering in first tapering is little 3 °～and 5 °.The tapering in described first tapering is 3 °～9 °.The tapering in described second tapering is 5 °～10 °.The axis of described roll mandrel 21 becomes 3 °～9 ° with roll line, adopt fixing feed angle in this example, can adopt 5 °, 7 ° etc.
Be formed with chamber between described roll 20 and the roll mandrel 21, described cooling device comprises the coolant pump (not shown), be sheathed on described roll 20 two ends, and roll mandrel 21 between leave the left terminal pad 22 and the right terminal pad 19 of water channel, and left water shutoff dish that has water inlet 24 23 that is connected with right terminal pad 19 with left terminal pad 22 and the right water shutoff dish 18 that has delivery port 17, described water channel is communicated with chamber between described roll 20 and the roll mandrel 21.In rolled steel tube 28 processes, by water supply pump water is pumped into from water inlet 24 simultaneously, through left water shutoff dish 23, flow through water channel in the left terminal pad 22, enter the chamber between roll 20 and the roll mandrel 21, water channel and the delivery port the right water shutoff dish 18 17 from right terminal pad 19 flows out again, and breaker roll 20 cools off.Because the cooling route has been arranged on roll 20 inside, has isolated bearing 16, and bearing 16 has been played protective effect.
Radially guiding mechanism also can adopt hydraulic means to realize adjusting simultaneously, and also the structure that as above adopts in the example is adjusted separately.When adjusting separately, clamp nut is unclamped, rotation hand wheel 5 can reach the adjustment purpose.
When rolled steel tube, the steel pipe that heats through heating furnace, by the roll down station in the oil cylinder feeding working stand 29, under the drive of buncher, finish tube rolling, expansion operation automatically, mill speed can be adjusted as required at any time, in the time will finishing, transfer slow motor, when particularly rolling thin-wall steel tube, cooperate with the outlet tapering of roll 20, reach and avoid forming the tail triangle.
Claims (10)
1, a kind of roller trio skew rolling pipe mill, comprise the oil cylinder that is provided with in turn, heating furnace, working stand (29), transmission device and drive unit, described working stand (29) comprises frame (2), be fixed in three mill roll mechanisms on the frame (2) and be located at radially guiding mechanism (25) and cooling device on each mill roll mechanism, the structure of described three mill roll mechanisms is identical and be in 120 ° and be provided with at interval, described drive unit is connected with actuator drives, described transmission device and described mill roll mechanism are in transmission connection, it is characterized in that, described mill roll mechanism comprises roll mandrel (21) and is sheathed on its outer roll (20) that described roll (20) is divided into three continuous parts: the import tapering, the all whole and outlet tapering of column type.
2, roller trio skew rolling pipe mill according to claim 1, it is characterized in that, described radially guiding mechanism (25) comprises first screw rod (3), second screw rod (9) and the support bar (14) that be arranged in parallel, and described support bar (14) is positioned at described first screw rod (3) and second screw rod (9) centre position; Described first screw rod (3) is identical with rotation direction with the pitch of second screw rod (9), is with supporting screw pipe (8) on the described support bar (14), and the pitch of described supporting screw pipe (8) and first screw rod (3) is identical, rotation direction is opposite; The connection gear (27) that is fixed on the described supporting screw pipe (8) meshes with second gear (26) that is fixed in first gear (4) on first screw rod (3) and be fixed on second screw rod (9) simultaneously, described first screw rod (3) and second screw rod (9) pass described frame (2), are installed in the groove of the cushion block (13) that is fixed on the contiguous block (1), and described cushion block (13) is provided with baffle plate (12); Described contiguous block (1) is fixedlyed connected with mill roll mechanism by bearing block (15); The described frame (2) of passing described support bar (14) is fixed on the described contiguous block (1), and the upper end of described support bar (14) is provided with nut, is provided with stage clip (6) between described nut and the described supporting screw pipe (8).
3, roller trio skew rolling pipe mill according to claim 1 is characterized in that the axis of described roll mandrel (21) becomes 3 °～9 ° with roll line.
4, roller trio skew rolling pipe mill according to claim 1 is characterized in that, is formed with chamber between described roll (20) and the roll mandrel (21).
5, as roller trio skew rolling pipe mill as described in the claim 4, it is characterized in that, described cooling device comprises coolant pump, be sheathed on described roll (20) two ends, and roll mandrel (21) between leave the left terminal pad (22) and the right terminal pad (19) of water channel, and left water shutoff dish (23) that has water inlet (24) that is connected with right terminal pad (19) with left terminal pad (22) and the right water shutoff dish (18) that has delivery port (17), described water channel is communicated with chamber between described roll (20) and the roll mandrel (21).
6, roller trio skew rolling pipe mill according to claim 1 is characterized in that the import tapering of described roll (20) is prolonged rolling direction and is divided into first tapering and second tapering, the tapering in taper ratio second tapering in first tapering is little 3 °～and 5 °.
7, as roller trio skew rolling pipe mill as described in the claim 6, it is characterized in that the tapering in described first tapering is 3 °～9 °.
8, as roller trio skew rolling pipe mill as described in the claim 6, it is characterized in that the tapering in described second tapering is 5 °～10 °.
9, roller trio skew rolling pipe mill according to claim 1 is characterized in that described first screw rod (3) is provided with handwheel (5).
10, roller trio skew rolling pipe mill according to claim 1, it is characterized in that, be respectively equipped with locking nut (10) on described first screw rod (3) and second screw rod (9), described locking nut (10) be arranged on first screw rod and second screw rod (9) threaded engagement, be fixed on the holder (11) on the described frame (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620019061 CN2915300Y (en) | 2006-04-04 | 2006-04-04 | Three-roller skew rolling tube grimper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620019061 CN2915300Y (en) | 2006-04-04 | 2006-04-04 | Three-roller skew rolling tube grimper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2915300Y true CN2915300Y (en) | 2007-06-27 |
Family
ID=38186208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620019061 Expired - Fee Related CN2915300Y (en) | 2006-04-04 | 2006-04-04 | Three-roller skew rolling tube grimper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2915300Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102921723A (en) * | 2012-11-06 | 2013-02-13 | 西北机器有限公司 | Roll mechanism of small-size copper strip rolling mill |
| CN106270318A (en) * | 2015-05-19 | 2017-01-04 | 无锡苏创机械设备制造有限公司 | A kind of double lead roll side pressure adjusting apparatus |
| CN112170496A (en) * | 2019-07-03 | 2021-01-05 | 北京服装学院 | Visual jewelry electric tablet press equipped with safety protection device and working method thereof |
| CN114317930A (en) * | 2021-12-30 | 2022-04-12 | 秦皇岛华宇通电力科技有限公司 | Cylindrical part heat treatment device and heat treatment method thereof |
-
2006
- 2006-04-04 CN CN 200620019061 patent/CN2915300Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102921723A (en) * | 2012-11-06 | 2013-02-13 | 西北机器有限公司 | Roll mechanism of small-size copper strip rolling mill |
| CN106270318A (en) * | 2015-05-19 | 2017-01-04 | 无锡苏创机械设备制造有限公司 | A kind of double lead roll side pressure adjusting apparatus |
| CN106270318B (en) * | 2015-05-19 | 2020-09-11 | 无锡苏创机械设备制造有限公司 | Double-screw rod roller side pressure adjusting device |
| CN112170496A (en) * | 2019-07-03 | 2021-01-05 | 北京服装学院 | Visual jewelry electric tablet press equipped with safety protection device and working method thereof |
| CN114317930A (en) * | 2021-12-30 | 2022-04-12 | 秦皇岛华宇通电力科技有限公司 | Cylindrical part heat treatment device and heat treatment method thereof |
| CN114317930B (en) * | 2021-12-30 | 2023-12-15 | 秦皇岛华宇通电力科技有限公司 | Cylinder part heat treatment device and heat treatment method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070627 Termination date: 20100404 |