CN102658296A - Mill mandril thrust block with mandril automatically changeable online and automatic change method of mandril - Google Patents
Mill mandril thrust block with mandril automatically changeable online and automatic change method of mandril Download PDFInfo
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- CN102658296A CN102658296A CN2012101144519A CN201210114451A CN102658296A CN 102658296 A CN102658296 A CN 102658296A CN 2012101144519 A CN2012101144519 A CN 2012101144519A CN 201210114451 A CN201210114451 A CN 201210114451A CN 102658296 A CN102658296 A CN 102658296A
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- push rod
- mandril
- car body
- pull bar
- lever
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Abstract
The invention relates to a mill mandril thrust block, in particular to a mill mandril thrust block with a mandril automatically changeable online. The mill mandril thrust block comprises a block body (8). The block body (8) is provided with a spindle (14) in butt joint with the mandril (24). The mill mandril thrust block is further provided with a flip device (17) for changing the mandril. The flip device (17) for changing the mandril is provided with a flip (22). The flip (22) is provided with push slopes (23). Levers (9) are capable of swinging under the action of the push slopes (23). A fixed sleeve (11) is fixed on the block body (9). A sliding bar (12) is located in the sleeve (11). One end of the sliding bar (12) is contacted with one end of each lever (9) and swings along with the levers (9). The sliding bar (12) can be pulled out of the fixed sleeve (11). A mandril clamping device (10) is connected with the other end of the sliding bar (12). The mandril clamping device (10) is pushed away from the block body (8) and reaches a mandrel replacement position (D) while the sliding bar (12) is pushed out of the fixed sleeve (11).
Description
Technical field
The present invention relates to a kind of milling train and use anti-thrust trolley, especially relate to a kind of milling train with the mandril anti-thrust trolley of on-line automatic replacing push rod and change the method for push rod automatically.
Background technology
Referring to Fig. 1; Fig. 1 is that the milling train of prior art is used the mandril anti-thrust trolley structural representation, and milling train of the prior art mainly is made up of with pulley 2, main shaft 3, thrust bearing 4, push rod adpting flange 5, latch 6 and wheel 7 etc. car body 1, steel wire rope with mandril anti-thrust trolley.Drag the motion that pulley 2 realizes that dollies move forward and backward through steel wire rope, when milling train arrives the drilling/rolling position with mandril anti-thrust trolley, act on the latch 6 on the dolly cart stationary on rolling position by blocking device.Push rod is fixed on the push rod adpting flange 5 by securing member.When changing push rod, dolly needs to withdraw from from the release of drilling/rolling position, adopts the mode of manual loosening fasteners to unclamp push rod then; Old push rod is taken out; Put into new push rod, artificial then clinch fastener is fixed on push rod on the push rod adpting flange 5; Dolly is sent into rolling position locking, carry out normal rolling work.General this operating process need take a long time, and therefore milling train also can wait for the long period in this process, causes unnecessary energy consumption, has influenced rhythm of production.Simultaneously, dismantle old push rod and complete replacing by manual work completion push rod, relatively labor intensive are installed in the process of new push rod at loosening fasteners.On the other hand, if for saving the energy, and in changing the push rod process with milling train interrupt run, start once more after having changed push rod to get into rolling position again, so frequently start then can increase the machine of the stopping fault rate of equipment, the while also influences rhythm of production.
Summary of the invention
The present invention for the milling train that solves prior art with mandril anti-thrust trolley can not on-line automatic replacing push rod technical problem, provide a kind of milling train with mandril anti-thrust trolley can on-line automatic replacing push rod method and the mandril anti-thrust trolley of on-line automatic replacing push rod.
The present invention provides the mandril anti-thrust trolley of a kind of milling train with on-line automatic replacing push rod; Have car body, have main shaft on the car body, it is characterized in that: mandril anti-thrust trolley also has the push rod replacing and uses panel turnover device; Push rod is changed has turnover panel with panel turnover device, and turnover panel has the pushing inclined-plane; The lever of mandril anti-thrust trolley can be at the effect lower swing on pushing inclined-plane; Fixed muffle is fixed on the car body; Pull bar is arranged in sleeve, and pull bar one end contacts with an end of lever, and along with the swing of lever, said pull bar can be pushed out in fixed muffle; The push rod clamping device, the push rod clamping device links to each other with the other end of pull bar, is pushed out in fixed muffle with pull bar, and the push rod clamping device is pushed away car body and is arrived replacing push rod position.
The present invention provides the method for a kind of milling train with the on-line automatic replacing push rod of mandril anti-thrust trolley, has: the first step, and car body is moved to the F direction by primary importance, an end of lever is contacted with the pushing inclined-plane of push rod replacing with the turnover panel of panel turnover device; In second step, make car body continue to move an end of the said lever of said pushing pushed of said turnover panel to the F direction; Make said lever pivots; The other end of said lever promotes pull bar, and said pull bar moves to deviating from the F direction, and said pull bar drives the push rod clamping device that is connected its other end and moves to deviating from the F direction; The said push rod of clamping breaks away from the tapered sleeve of said car body, arrives the second place; In the 3rd step, the said push rod of said push rod clamping device clamping stops at the second place, with the said push rod taking-up of said push rod clamping device clamping, puts into another said push rod; The 4th step; Said car body is moved to deviating from the F direction by the second place; The pushing inclined-plane that one end of said lever and said push rod are changed with the said turnover panel of panel turnover device disengages, and said pull bar drives said push rod clamping device and moves to the F direction under the screen resilience effect of elastic device; The tapered end of another said push rod of said push rod clamping device clamping and the conical surface of said tapered sleeve are fitted, and thus another said push rod are locked on the dolly.
Beneficial effect of the present invention is; Shortened push rod and changed the needed time, push rod that can on-line automatic replacing mandril anti-thrust trolley under the situation that need not to stop the machine operation does not influence rhythm of production; Improve production efficiency, prolonged the service life of milling train.Adopt automatic on-line to change the method for push rod simultaneously, saved manpower greatly.And turnover panel of the present invention can be packed up by hydraulic cylinder when not changing push rod, thereby has prevented the interference with car body.
Description of drawings
Fig. 1 is that the milling train of prior art is used the mandril anti-thrust trolley structural representation;
Fig. 2 is the structural representation of milling train of the present invention with the mandril anti-thrust trolley of on-line automatic replacing push rod;
Fig. 3 is the vertical view of milling train of the present invention with the mandril anti-thrust trolley of on-line automatic replacing push rod;
Fig. 4 is this cutaway view along the A-A line among Fig. 3;
Fig. 5 is the cutaway view along the B-B line among Fig. 2;
Fig. 6 is the cutaway view along the C-C line among Fig. 3;
Fig. 7 is the push rod partial view of milling train of the present invention with the mandril anti-thrust trolley of on-line automatic replacing push rod;
Fig. 8 is the car body left view of milling train of the present invention with the mandril anti-thrust trolley of on-line automatic replacing push rod;
Fig. 9 is the partial sectional view of milling train of the present invention with the lever of the mandril anti-thrust trolley of on-line automatic replacing push rod;
Figure 10 is the car body right view of milling train of the present invention with the mandril anti-thrust trolley of on-line automatic replacing push rod;
Figure 11 looks partial sectional view for milling train of the present invention with the right side of the mandril anti-thrust trolley of on-line automatic replacing push rod.
The specific embodiment
Specify structure and the operation principle of milling train of the present invention below in conjunction with Fig. 2 to Figure 11 with the mandril anti-thrust trolley of on-line automatic replacing push rod.
Referring to Fig. 2, Fig. 3 and Fig. 4, milling train of the present invention is changed with panel turnover device 17 and push rod clamping device 10 and push rod 24 by car body 8, push rod with the mandril anti-thrust trolley of on-line automatic replacing push rod and is formed.Car body 8 is equipped with main shaft 14; Main shaft 14 is fixed through thrust bearing 15; Main shaft 14 is provided with tapered sleeve 18, and the tapered sleeve 18 on push rod 24 and this main shaft 14 connects, and push rod is changed the rear portion that is arranged on car body 8 with panel turnover device 17; Push rod is changed with having turnover panel 22 on the panel turnover device 17, has pushing inclined-plane 23 on the turnover panel 22.Have lever 9 and fixed muffle 11 on the car body 8, lever 9 can be at the effect lower swing on the pushing inclined-plane 23 of turnover panel 22.Be equiped with pull bar 12 in the fixed muffle 11, pull bar 12 1 ends and lever 9 connect, and the other end is connected with push rod clamping device 10.
Like Figure 10 and shown in Figure 6; The position of the said push rod 24 of push rod clamping device 10 clampings of the present invention has and is the roughly opening of U type; Open bottom and push rod 24 contacted peripheries are symmetrically distributed with a pair of installing hole around the center of push rod 24; Clamping part 16 relies on gripper sleeve 36 to be fixed in the installing hole of push rod clamping device 10, and clamping part 16 is installed in the gripper sleeve 36 through bearing 37, and gripper sleeve 36 is fixedly connected with the push rod clamping device through bolt.The axial line O ' of this clamping part 16 intersects with the axial line O of push rod 24 and the axial line O ' of clamping part 16 has certain angle with horizontal plane.Clamping part 16 is the boss shape with push rod 24 contacted ends 38.Clamping part 16 is installed in 10 last times of push rod clamping device, and this boss shape end 38 is higher than the bottom surface of the U-shaped opening of push rod clamping device 10.When push rod 24 was placed on the mandril anti-thrust trolley, shaft 27 was supported by the carriage of mandril anti-thrust trolley (not shown on the figure), and the axle journal 26 of push rod 24 is by clamping part 16 clampings of push rod clamping device 10.Like Fig. 3, shown in 5, the two ends of push rod clamping device 10 respectively are provided with link 42, and link 42 is the hollow shell-like of an end opening, and the cross sectional shape of openings of sizes and pull bar 12 adapts, and the bottom has through hole, passes through for bolt 43.Link 42 welds together with push rod clamping device 10, and link 42 is socketed on the pull bar 12, relies on bolt 43 with the bolt hole of pull bar 12 ends push rod clamping device 10 to be connected with pull bar.
Like Fig. 3 and shown in Figure 8; Milling train of the present invention has a pair of lever 9 with the mandril anti-thrust trolley of on-line automatic replacing push rod, and lever 9 has structure as shown in Figure 9, and this lever 9 has upper arm 28 and underarm 30; The end of upper arm 28 is equipped with roller 29; Roller 31 is installed on the underarm 30, and upper arm 28 is fixedly connected with lever shaft 32 respectively with underarm 30, and lever 9 is pivoted on the car body 8 through lever shaft 32.Further, can also have the back-moving spring (not shown on the figure) that resets after lever is rotated on the lever shaft 32 of lever 9.Only be the concrete structure that illustrates lever 9 of the present invention below, but protection scope of the present invention is not limited in this, lever 9 of the present invention also can be the structure that only has upper arm 28 and underarm 30, and upper arm 28 utilizes the lever principle interlock to be provided with underarm 30 and gets final product.
Milling train of the present invention has a pair of push rod replacing with panel turnover device 17, like Fig. 3, Fig. 4 and shown in Figure 11 with the mandril anti-thrust trolley of on-line automatic replacing push rod.Each push rod is changed and with panel turnover device 17 connecting plate 41 is set, and connecting plate 41 1 ends are fixed with turnover panel 22, and the other end and push rod are changed and be hinged and can pivot around trip shaft 40 with panel turnover device 17.The lower surface of turnover panel 22 is provided with hinge 39, is used for the piston rod of hinged hydraulic cylinder 35, and is shown in figure 11.The cylinder body of hydraulic cylinder 35 is hinged on push rod and changes on the column 34 with panel turnover device 17.Flexible along with hydraulic cylinder, turnover panel 22 can be around trip shaft 40 upsets of connecting plate 41 and relatively push rod change and be in horizontal operation state or retracted state with panel turnover device 17.The fixing of turnover panel 22 and connecting plate 41 can be connected through bolt among the present invention, perhaps rivet, welding, card and etc. connected mode known in the field, be preferably the bolt connection.
Like Fig. 2 and shown in Figure 4; Having steel wire rope on the car body 8 of milling train of the present invention with the mandril anti-thrust trolley of on-line automatic replacing push rod draws and buckles 19; Steel wire rope draws to buckle and is connected with steel wire rope on 19; Rely on reel (not shown on the figure) to drag rope belt motor vehicles bodies 8 and upward move at the pedestal (not shown on the figure) of milling train, the pedestal two ends have the buffer baffle plate 36 that prevents the car body bump.
Milling train of the present invention is separately installed with fixed muffle 11 with the both sides of the mandril anti-thrust trolley of on-line automatic replacing push rod, like Fig. 3 and shown in Figure 5.Be equiped with elastic device 13 in the fixed muffle 11, in the present embodiment, this elastic device 13 is specially the dish spring.
Milling train of the present invention also has blocking device 20 with the mandril anti-thrust trolley of on-line automatic replacing push rod, when car body 8 arrives the drilling/rolling position, is in blocking by blocking device 20 and the dolly locking is fixed on the rolling position., car body 8 make blocking device 20 be in released state when need shifting out the drilling/rolling position, so that dolly is in removable state.
Specify milling train of the present invention is changed push rod with the mandril anti-thrust trolley of on-line automatic replacing push rod process below in conjunction with Fig. 2 to Figure 11.
When non-replacing push rod state, hydraulic cylinder 35 is regained, and the column 34 of milling train with the mandril anti-thrust trolley of on-line automatic replacing push rod pressed close in these turnover panel 22 upsets, and the surface of turnover panel is horizontal by 80 degree left and right sides angles at this moment, to avoid in the operation interference with car body.
When needs were changed push rod, like Fig. 3 and shown in Figure 11, hydraulic cylinder 35 stretched out; Turnover panel 22 is turn to duty, and this moment, turnover panel 22 was parallel with horizontal plane, and car body 8 drags steel wire rope through reel and draws the steel wire rope of buckleing on 19; Make car body 8 direction F motions as shown in Figure 3; At this moment, the roller 29 on the upper arm 28 of two levers 9 connects with the pushing inclined-plane 23 of corresponding turnover panel 22 respectively, and the roller 31 on the underarm 30 of lever 9 is against pull bar 12.Car body 8 continues to the motion of F direction, relies on the pushing inclined-plane 23 of the turnover panel 22 of both sides to promote the rotation of upper arm 28 generations of two levers 9 towards body inner side.The underarm 30 of lever 9 follows this rotation that pull bar 12 is promoted to deviating from the F direction; Then the push rod clamping device 10 that promotes to be connected its other end by pull bar 12 moves to the direction of motion F that deviates from car body 8, and push rod clamping device 10 carries push rods 24 and breaks away from the position that combines with the tapered sleeve 18 of car body 8 gradually.When car body 8 when the F direction moves to second place D shown in Figure 3, lever 9 turns over the maximum angle of stroke, lever 9 is the state of D ' shown in Figure 3, this moment, push rod 24 arrived away from car body 8 to highest distance position, mandril anti-thrust trolley is in the push rod state of changing.
Old push rod is taken out; Have the α angle because the clamping part 16 on the push rod clamping device 10 is with level angle, therefore when taking out old push rod, push rod 24 except that axle journal 26 receive clamping part 16 inwardly with the active force that makes progress; Do not receive downward external force, can easily push rod 24 be taken out.Put into new push rod then; The shaft 27 of push rod 24 is supported with the carriage (not shown on the figure) of mandril anti-thrust trolley and the push rod backing roll (not shown on the figure) on the line by milling train; The axle journal 26 of push rod 24 upwards is the clamping of α angle by a pair of clamping part 16 of push rod clamping device 10 along level, and push rod 24 is clamped in advance.After push rod 24 placements finish; Drawing the steel wire rope of buckleing on 19 to drag car body 8 by reel through steel wire rope moves along the opposite direction of F direction; Two levers 9 are along with break away from pushing inclined-plane 23 and rotate towards the car body outside gradually gradually, and the roller 29 on the upper arm 28 of two levers 9 breaks away from push rod changes the contact condition with the turnover panel 22 of panel turnover device 17, and the roller 29 on the underarm 30 of two levers 9 stops to promote pull bar 12; Pull bar 12 is under the screen resilience effect of elastic device 13; Pulling pull bar 12 is driven push rod clamping device 10 toward the direction motion near car body 8, and push rod 24 is driven near car body 8 along with the motion of push rod clamping device 10.The tapered end 25 of push rod 24 is fitted with the conical surface of the tapered sleeve 18 of car body 8, thus with the push rod clamping and positioning on dolly.
After having changed push rod 24, hydraulic cylinder 35 is regained, and the column 34 of milling train with the mandril anti-thrust trolley of on-line automatic replacing push rod pressed close in these turnover panel 22 upsets.When arriving the drilling/rolling position, dolly acts on the locking skewback 20 cart stationary on rolling position by blocking device.
Milling train of the present invention with the advantage of the mandril anti-thrust trolley of on-line automatic replacing push rod is:
1. adopt the mandril anti-thrust trolley of milling train, reduced the employed time of replacing push rod greatly, need not to stop the milling train operation, do not influence rhythm of production, improved production efficiency, and reduced milling train and opened/shut down number of times with on-line automatic replacing push rod;
2. the employing mandril anti-thrust trolley becomes simply the operation of changing push rod, has saved manpower.
The above; Be merely the detailed description of preferred embodiment of the present invention and graphic, characteristic of the present invention is not limited thereto, and all scopes of the present invention should be as the criterion with following scope; All embodiment that accords with the spirit variation similar of claim protection domain of the present invention with it; All should be contained in the category of the present invention, anyly be familiar with this art in the field of the invention, can think easily and variation or adjustment all can be encompassed in following claim protection domain of the present invention.
Claims (10)
1. a milling train has car body (8) with the mandril anti-thrust trolley of on-line automatic replacing push rod, has main shaft (14) on the said car body (8), and it is characterized in that: said mandril anti-thrust trolley also has,
Push rod is changed with panel turnover device (17), and said push rod is changed has turnover panel (22) with panel turnover device (17), and said turnover panel (22) has pushing inclined-plane (23);
Lever (9), said lever (9) can be at the effect lower swing on said pushing inclined-plane (23);
Fixed muffle (11), said fixed muffle (11) are fixed on the said car body (8);
Pull bar (12), said pull bar (12) is arranged in said sleeve (11), and said pull bar (12) one ends contact with an end of said lever (9), and along with the swing of said lever (9), said pull bar (12) can be pushed out in said fixed muffle (11);
Push rod clamping device (10); Said push rod clamping device (10) links to each other with the other end of said pull bar (12); Be pushed out in said fixed muffle (11) with said pull bar (12), said push rod clamping device (10) is pushed away said car body (8) and is arrived replacing push rod position (D).
2. milling train as claimed in claim 1 is with the mandril anti-thrust trolley of on-line automatic replacing push rod, and said main shaft (14) has tapered sleeve (18), and said push rod (24) has tapered end (25), and said tapered end (25) adapts with the structure of said tapered sleeve (18).
3. milling train as claimed in claim 1 is with the mandril anti-thrust trolley of on-line automatic replacing push rod; It is characterized in that: described push rod is changed also has hydraulic cylinder (35) with panel turnover device (17); Hydraulic cylinder (35) one ends are hinged on said push rod and change on the column (34) with panel turnover device (17), and the other end and said turnover panel (22) are hinged.
4. milling train as claimed in claim 1 is with the mandril anti-thrust trolley of on-line automatic replacing push rod; It is characterized in that: have the clamping part (16) that is provided with along the diameter of axle of said push rod (24) on the said push rod clamping device (10); The side face of one end of said clamping part (16) and push rod (24) connects, so that said push rod (24) is stabilized in the said tapered sleeve (18) of said car body (8).
5. milling train as claimed in claim 1 is characterized in that with the mandril anti-thrust trolley of on-line automatic replacing push rod: have steel wire rope on the said car body (8) and buckle (19) with drawing, be connected with steel wire rope on it, rely on pull of steel wire to drag moving of car.
6. milling train as claimed in claim 1 is with the mandril anti-thrust trolley of on-line automatic replacing push rod; It is characterized in that: be provided with elastic device (13) in the said fixed muffle (11); Said elastic device (13) is used for after changing push rod (24); Drive said pull bar (12) and reset, so that said push rod (24) is stabilized in the said tapered sleeve (18) of said car body (8).
7. milling train as claimed in claim 6 is characterized in that with the mandril anti-thrust trolley of on-line automatic replacing push rod: described elastic device (13) is the dish spring.
8. method of utilizing the described milling train of claim 1 with the on-line automatic replacing push rod of the mandril anti-thrust trolley of on-line automatic replacing push rod has following steps:
The first step makes car body (8) moved to the F direction by primary importance, and an end of lever (9) is contacted with the pushing inclined-plane (23) of push rod replacing with the turnover panel (22) of panel turnover device (17);
Second step made car body (8) continue to move to the F direction, and the said pushing inclined-plane (23) of said turnover panel (22) promotes an end of said lever (9); Said lever (9) is pivoted; The other end of said lever (9) promotes pull bar (12), and said pull bar (12) moves to deviating from the F direction, and said pull bar (12) drives the push rod clamping device (10) that is connected its other end and moves to deviating from the F direction; The said push rod of clamping (24) breaks away from the tapered sleeve (18) of said car body (8), arrives the second place (D);
In the 3rd step, the said push rod of said push rod clamping device (10) clamping (24) stops at the second place (D), with said push rod (24) taking-up of said push rod clamping device (10) clamping, puts into another said push rod (24);
The 4th step; Said car body (8) is moved to deviating from the F direction by the second place (D); The pushing inclined-plane (23) that one end of said lever (9) and said push rod are changed with the said turnover panel (22) of panel turnover device (17) disengages; Said pull bar (12) is under the screen resilience effect of elastic device (13); Drive said push rod clamping device (10) and move to the F direction, the tapered end of another said push rod (24) of said push rod clamping device (10) clamping and the conical surface of said tapered sleeve (18) are fitted, and thus another said push rod (24) are locked on the dolly.
9. the method for on-line automatic replacing push rod as claimed in claim 8 is characterized in that, the motion of said car body (8) is to rely on steel wire rope pulling dolly to move.
10. the method for on-line automatic replacing push rod as claimed in claim 8; It is characterized in that when needs are changed push rod (24), also having said car body (8) is carried out release; So that its step that can move; And changing push rod (24), when treating that said car body (8) gets into rolling, have step to said car body (8) locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210114451.9A CN102658296B (en) | 2012-04-18 | 2012-04-18 | Mill thrust car with online automatically changeable mandril and automatic change method of mandril |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210114451.9A CN102658296B (en) | 2012-04-18 | 2012-04-18 | Mill thrust car with online automatically changeable mandril and automatic change method of mandril |
Publications (2)
| Publication Number | Publication Date |
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| CN102658296A true CN102658296A (en) | 2012-09-12 |
| CN102658296B CN102658296B (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210114451.9A Active CN102658296B (en) | 2012-04-18 | 2012-04-18 | Mill thrust car with online automatically changeable mandril and automatic change method of mandril |
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| CN102962256A (en) * | 2012-12-03 | 2013-03-13 | 太原重工股份有限公司 | Mandrel trolley and mandrel replacing device |
| CN105598171A (en) * | 2016-01-18 | 2016-05-25 | 烟台宝钢钢管有限责任公司 | Puncher ejector rod trolley rapid to replace |
| CN107159713A (en) * | 2017-05-27 | 2017-09-15 | 成都诚悟钢管技术有限公司 | Hot rolled seamless steel tube skew rolling mill Foreground and Background plug supports rolling mill practice, equipment and technology entirely |
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| CN107159713A (en) * | 2017-05-27 | 2017-09-15 | 成都诚悟钢管技术有限公司 | Hot rolled seamless steel tube skew rolling mill Foreground and Background plug supports rolling mill practice, equipment and technology entirely |
| CN107159713B (en) * | 2017-05-27 | 2019-08-02 | 成都诚悟钢管技术有限公司 | The equipment that hot rolled seamless steel tube skew rolling mill Foreground and Background plug supports rolling entirely |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102658296B (en) | 2014-04-16 |
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