CN201470686U - Universal rolling mill clamping head - Google Patents
Universal rolling mill clamping head Download PDFInfo
- Publication number
- CN201470686U CN201470686U CN2009203087285U CN200920308728U CN201470686U CN 201470686 U CN201470686 U CN 201470686U CN 2009203087285 U CN2009203087285 U CN 2009203087285U CN 200920308728 U CN200920308728 U CN 200920308728U CN 201470686 U CN201470686 U CN 201470686U
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- head
- top board
- gland
- sleeve
- face
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Abstract
The utility model relates to the technical filed of steel rolling, and discloses a universal rolling mill clamping head, comprising a top head, a sleeve and a gland, and further comprising a top plate and a clamping plate; the top plate and the top head are arranged between the sleeve and the gland; the head end of the top head faces the small opening end of the sleeve so as to be put into the sleeve; the head end of the top plate is contacted with the tail end face of the top head; the head end face of the top plate and the tail end face of the top head are provided with concave and convex structures matched with each other; the tail end of the top plate passes through a hole on the gland and is exposed thereon so that the concave and convex structures on the head end of the top plate and the rear end face of the top head are in matching or off state by rotating the top plate; the gland is connected with the sleeve; and the rear end of the top plate is provided with a limiting opening, and the clamping plate is clamped at the limiting opening and mounted on the gland in a detachable manner. The utility model adopts a manner that the surfaces of the top plate and the top head are contacted with each other, thereby having large contact area and safe and reliable operation, being capable of preventing a machine from stopping due to sudden damage of a clamping head and improving the reliability of connection of the clamping head.
Description
Technical field
The utility model relates to technical field of steel rolling, directly applies to high speed heavy rail universal mill.
Background technology
Three tandem rolling formula universal mills are the visual plants in the Heavy-rail Production, and wherein omnipotent E milling train will laterally move the pendulum position in the heavy rail operation of rolling, so the universal-joint spindle of omnipotent E milling train is an extension type.When guaranteeing normal pendulum position, roll reliably is connected with company's roller shell on the universal drive shaft, can break away from fast when guaranteeing roll change again simultaneously, in roller shell even a kind of locking device is installed and grabs the chucking head.The function of this chucking head be exactly when guaranteeing roll change roll can throw off from company's roller shell of connecting rod, can keep again in the middle of the production connecting and not throw off.
It is more to tighten the head damage in the production, and the life-span is shorter, and functional reliability is not high, often causes the unexpected interruption of production, and causes steel scrap, bigger to producing influence.
The operation principle of existing chucking head is that push rod outwards opens under the effect of spring, and at this moment, the top is supported by steel ball, can not move down, and the groove on the roll is withstood at its top, roll with even keep being connected between the roller shell; During roll change, push rod is (roll carriage) under external force, and by the jack-up that make progress, at this moment, the top becomes big with the space that push rod forms, and steel ball does not support the top, just comes directly towards under external force (component that produces when dragging roll) and overcomes spring force and move down.The groove that breaks away from roll, roll just can break away from company's roller shell like this.
There is following problem in actual applications in existing chucking head:
During ordinary production, because of the moving downward component that acts on the top of roll pendulum displacement is supported by 10 steel balls, produce certain extruding between steel ball and top, push rod, because adopt steel ball as main support part, spherical contact area is little, under external force, than being easier to take place plastic deformation, after plastic deformation is arrived to a certain degree, the diameter of the spacing of top and push rod just occur, thereby the generation top moves down inefficacy greater than steel ball.
The utility model content
Technical problem to be solved in the utility model provides a kind of universal mill chucking head, it has adopts top board to the support of top formation face with face, thereby expansion contact-making surface, by the rotation top board, utilize top board and concavo-convex cooperation of top tail end contact-making surface realize that chucking head and roll break away from,, realize the locking of chucking head by top board and the concavo-convex disengaging that cooperates of top rear contact-making surface, and by clamp top board is carried out spacingly, make the position stability reliable characteristics of top board.
For solving the problems of the technologies described above, a kind of universal mill chucking head that the utility model provides comprises top, sleeve and gland, it is characterized in that, also comprises top board and clamp,
Described top board and top are between sleeve and gland, and the head end of top is towards the little openend of sleeve, the sleeve of packing into;
The head end of described top board contacts with the top breech face, top board head end end face is provided with concavo-convex fit structure with top tail end end face, gland is exposed in the hole that the top board tail end passes on the gland, by the rotation top board, makes the top board head end cooperate and break away from two states with concavo-convex the reaching that comes directly towards between breech face;
Described gland is connected with sleeve;
The tail end of described top board offers limit opening, and described clamp is stuck in limit opening and is installed on the gland in removable mode.
To being improved to of above-mentioned foundation structure, also comprise connecting rod, described connecting rod is connected with roof movement.
To further being improved to of said structure, the shaft core position of described top board offers through hole along y direction, and described connecting rod is arranged at top board axis through-hole position.
Another improvement project to above-mentioned foundation structure is, the tail end of described top board offers groove, and the aperture position of described groove is provided with cross bar.
Prioritization scheme to said structure is that described top board is symmetrically arranged two sector structures with the concavo-convex fit structure of top breech face.
Advantage of the present utility model is:
1. adopt top board to of the support of top formation face with face, thereby expansion contact-making surface, by the rotation top board, utilize top board and concavo-convex cooperation of top tail end contact-making surface realize that chucking head and roll break away from, by top board and the concavo-convex disengaging that cooperates of top rear contact-making surface, realize the locking of chucking head, and by clamp top board is carried out spacingly, make the position stability of top board reliable.Solved and tightened an employing steel ball in the prior art as main support part, spherical contact area is little, under external force, than being easier to take place plastic deformation, after plastic deformation is arrived to a certain degree, the diameter of the spacing of top and push rod just occur, thereby the problem that the top moves down inefficacy takes place greater than steel ball.
2. the flexible connection by connecting rod and top board, when top board and top tail end structure during concavo-convex the cooperation, by regulating connecting rod, it is enough high to make connecting rod exceed gland, thereby operating personnel are easier to portable top board, again with its rotation, make that top board and top tail end structure are concavo-convex to cooperate disengagings, make chucking be in locking state.Perhaps adopt at the top board tail end and offer groove, the slot opening position is provided with cross bar, utilizes instrument with hook just can very easily top board be mentioned, and then with the top board rotation, makes the chucking head be in locking state.Former chucking head is a self-action, does not need manual intervention when changing roll, but its steel-ball type support reliability is not high, loses efficacy easily, threatens and produces, and causes steel scrap, might cause device damage yet.Universal mill chucking head provided by the utility model is a hand, but operate very simple, only need utilize before the roll change and the conversion that can finish locking and break away from the technological preparation time after the roll change, do not influence automatic roll change, also can not prolong roll changing time, and the supporting form of universal mill chucking head provided by the utility model strengthens because of contact area, safe and reliable, failure conditions will never appear.
3. the flexible connection of connecting rod and top board can also make connecting rod disassemble from top board, and the lead to the hole site from the top board is grease-added when needed, prevents the part corrosion, guarantees top and roof movement freely.
4. a former chucking life-span generally has only 2～3 months, a universal mill chucking life-span provided by the utility model is more than at least one year, changed five times by 1 year, upper and lower strut totally ten times, more exchange treaties needed calculate year 10 hours steel rolling time of saving in 1 hour at every turn, 150 tons of hourly average output, 0.1 ten thousand yuan of ton steel profits
Create ten thousand yuan of benefit 10 * 150 * 0.1=150;
Former chucking head be an import parts, surplus every about 40,000 yuan, and ten thousand yuan of saving spare part expense 10 * 4=40;
By 3 of the average steel scraps of each chucking head inefficacy, 0.3 ten thousand yuan of steel scrap and certified products ton steel price differences, every steel on average weighs 5 tons of meters, ten thousand yuan of benefit 10 * 3 * 5 * 0.3=45;
Adding up to a year economic benefit is ten thousand yuan of 150+40+45=235.
Universal mill chucking head provided by the utility model; face and face contacts between adopting top board and coming directly towards; substitute the effect between steel ball of the prior art and top, push rod; contact area is big; safe and reliable; can avoid occurring right damage of chucking head process and cause shutdown, improve the reliability that the chucking head connects.In a word, the utility model simple in structure, easy to make, be easy to install, cost is low, simple to operate, result of use is good.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is that A of the present utility model is to view.
Fig. 3 have for top board of the present utility model with the top the concavo-convex structural plane schematic diagram that cooperates.
Fig. 4 have for top of the present utility model with the concavo-convex structural plane schematic diagram that cooperates of top board.
The utility model chucking locking state schematic diagram when Fig. 5 is unassembled sleeve and gland.
The utility model chucking head and roll disengaged position schematic diagram when Fig. 6 is unassembled sleeve and gland.
Fig. 7 is a former self-action chucking locking state schematic diagram.
Fig. 8 is the former self-action chucking head view of freely stretching.
Wherein, 1-top, 2-top board, 3-sleeve, 4-gland, 5 screws, 6-connecting rod, 7-clamp, 8-screw, the former top of 9-, the former sleeve of 10-, 11-steel ball, the former gland of 12-, 13-spring, 14-push rod.
The specific embodiment
By Fig. 7, former self-action shown in Figure 8 tightens a locking state and freely stretches schematic diagram as can be known, prior art is to adopt steel ball 12 as main support part, spherical contact area is little, under improper external force, than being easier to take place plastic deformation, because considering company's roller shell that the chucking head is installed can not change, so, keeping on the former chucking installation dimension basis of invariable, the utility model redesigns internal structure, cancelled steel ball supporting construction pattern, the structure of former top 10 and push rod 15 improved, structure of the present utility model has been described further below in conjunction with accompanying drawing:
At first, structural improvement is carried out in top 9 of the prior art and push rod 14: for top 9, its structural improvement that is improved to the end support face, adopt top tail end and the concavo-convex structural design that cooperates of top board head end, as shown in Fig. 5, Fig. 6, there is bulge-structure the upper end of top 1, is the head end of top, and an end of its lower end and top board 2 joints is the tail end of top; The upper end of top board 2 contacts with top 1, is the head end of top board, and an end relative with the top board head end is the tail end of top board 2.Preferably, will come directly towards tail end groove will be set, top of the present utility model as shown in Figure 4 have with the concavo-convex structural plane schematic diagram that cooperates of top board in the C position, this position is for downcutting the covering of the fan remove certain depth, the B position be protruding covering of the fan; For push rod 14, the utility model adopts top board 2 to replace former push rod 14, the head end of top board is designed to and comes directly towards the convex surface that the tail end groove matches, as the D position of Fig. 3, the chucking of chucking head of the present utility model and roll and break away from mainly be by come directly towards 1 and the concaveconvex structure that matches of top board 2 be in diverse location and realize.
The utility model chucking locking state schematic diagram when unassembled sleeve as shown in Figure 5 and gland when top 1 cooperates with top board 2 convexo-convexs, when promptly D face and B face coincide, tightens and is in locking state, and at this moment, the boss that comes directly towards 1 head end blocks roll; The utility model chucking head and roll disengaged position schematic diagram are as can be known when unassembled sleeve as shown in Figure 6 and gland, when top 1 is in concavo-convex the cooperation with top board 2, be that the D face is when overlapping with the C face, the chucking head is in the roll change state, at this moment, top 1 head end boss can freely stretch, and card is roll incessantly, a roll and tighten separable.
Certainly, adopt the top board head end is provided with groove, the mode that the top tail end is provided with projection also can realize purpose described in the utility model, also within the utility model scope required for protection.
A of the present utility model as shown in Figure 2 is to shown in the view, and when universal mill chucking head provided by the utility model was in locking state, in order to prevent the rotation of top board, it was spacing to it to have increased clamp 7 newly.By on the tail end of top board 2, offering limit opening, clamp 7 is snapped in limit opening, and be installed on the gland 4 by screw 8, it is spacing to utilize 7 pairs of top boards of clamp 2 to carry out.Chucking head only needs the dismounting clamp by being locked to when breaking away from conversion, with hand or instrument top board is rotated 90 ° and gets final product.Chucking head is when breaking away from the locking conversion, and reverse operating gets final product.
Because the space, working site is narrow and small, should not be with the Design of length of top board 2 longer, for the ease of operating personnel the chucking head is converted to locking state smoothly when being in the roll disengaged position, on the tail end of top board 2, connecting rod is installed, adopt between connecting rod and the top board 2 and flexibly connect, preferably, offer screw at the shaft core position of top board 2 along y direction, mounting screw.When top 1 and top board 2 when being in concavo-convex mated condition, screw is withdrawed from a part, make it be higher than the gland position, thereby being convenient to operating personnel mentions screw and takes up the top board 2 that is connected with screw, with its rotation, make postrotational top board 2 change concavo-convex cooperation disengaged position into, can make the locking of chucking head with top contacting between 1.
For making things convenient for mentioning of top board 2, can also adopt following manner: offer a groove at the tail end end face of top board 2, in the groove intermediate lateral bar is set, when needs are mentioned top board 2, utilizes front end to have to have the instrument of the type of colluding also can very easily top board 2 be mentioned.Need to prove that the mode of mentioning of being convenient to top board 2 is not limited only to above-mentioned two kinds of solutions, can reach purpose described in the utility model as long as top board 2 just can be mentioned, and all should be to belong to the utility model scope required for protection.
With attachment screw universal mill chucking head provided by the utility model is installed on company's roller shell of rolling mill universal connecting rod, when the needs roll change, rotate Universal linking lever, make the chucking head vertically upward, the hold-down screw 8 of clamp 7 is pulled down, top board 2 half-twists, make it to enter in the groove of top 1, be that the D face overlaps with the C face, guarantee to come directly towards 1 and can freely stretch that be replaceable roll this moment.
After roll has changed, top board 2 is mentioned and half-twist, the D face is overlapped with the B face, block limit opening on the top board 2, the attachment screw 8 of clamp 7 is installed, can make to tighten to be in locking state with clamp 7.
It should be noted last that, the above specific embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (5)
1. a universal mill chucking head comprises top, sleeve and gland, it is characterized in that, also comprises top board and clamp,
Described top board and top are between sleeve and gland, and the head end of top is towards the little openend of sleeve, the sleeve of packing into;
The head end of described top board contacts with the top breech face, top board head end end face is provided with concavo-convex fit structure with top tail end end face, gland is exposed in the hole that the top board tail end passes on the gland, by the rotation top board, makes the top board head end cooperate and break away from two states with concavo-convex the reaching that comes directly towards between breech face;
Described gland is connected with sleeve;
The tail end of described top board offers limit opening, and described clamp is stuck in limit opening and is installed on the gland in removable mode.
2. a kind of universal mill chucking head as claimed in claim 1 is characterized in that also comprise connecting rod, described connecting rod is connected with roof movement.
3. a kind of universal mill chucking head as claimed in claim 2 is characterized in that the shaft core position of described top board offers through hole along y direction, and described connecting rod is arranged at top board axis through-hole position.
4. a kind of universal mill chucking head as claimed in claim 1 is characterized in that the tail end of described top board offers groove, and the aperture position of described groove is provided with cross bar.
5. as any described a kind of universal mill chucking head in the claim 1 to 4, it is characterized in that described top board head end is symmetrically arranged two sector structures with the concavo-convex fit structure of top breech face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203087285U CN201470686U (en) | 2009-08-25 | 2009-08-25 | Universal rolling mill clamping head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203087285U CN201470686U (en) | 2009-08-25 | 2009-08-25 | Universal rolling mill clamping head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201470686U true CN201470686U (en) | 2010-05-19 |
Family
ID=42406925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203087285U Expired - Fee Related CN201470686U (en) | 2009-08-25 | 2009-08-25 | Universal rolling mill clamping head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201470686U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111330984A (en) * | 2020-03-27 | 2020-06-26 | 中冶赛迪技术研究中心有限公司 | Head and tail scraping device for strip steel endless rolling |
-
2009
- 2009-08-25 CN CN2009203087285U patent/CN201470686U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111330984A (en) * | 2020-03-27 | 2020-06-26 | 中冶赛迪技术研究中心有限公司 | Head and tail scraping device for strip steel endless rolling |
| CN111330984B (en) * | 2020-03-27 | 2024-04-30 | 中冶赛迪技术研究中心有限公司 | Head and tail scraping device for endless rolling of strip steel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20160825 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |