CN115090679A - Single-rack-driven high-speed cold pilger mill - Google Patents
Single-rack-driven high-speed cold pilger mill Download PDFInfo
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- CN115090679A CN115090679A CN202210791715.8A CN202210791715A CN115090679A CN 115090679 A CN115090679 A CN 115090679A CN 202210791715 A CN202210791715 A CN 202210791715A CN 115090679 A CN115090679 A CN 115090679A
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- 230000001360 synchronised effect Effects 0.000 claims abstract description 77
- 230000007246 mechanism Effects 0.000 claims abstract description 64
- 238000005096 rolling process Methods 0.000 claims abstract description 28
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract 2
- 230000033001 locomotion Effects 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/16—Adjusting or positioning rolls
- B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
- B21B31/22—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis mechanically, e.g. by thrust blocks, inserts for removal
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Abstract
The invention relates to the technical field of cold pilger mills, in particular to a single-rack-driven high-speed cold pilger mill, which ensures the positioning accuracy of the upper hole patterns of an upper rolling roll shaft and a lower rolling roll shaft by the meshing of a pair of driving gears with the same tooth number, is suitable for higher-accuracy rolling, reduces the number of synchronous gears from two to one, reduces two groups of synchronous racks and auxiliary mechanisms into one group, realizes single-rack driving, greatly simplifies the complex structure of the cold pilger mill, reduces the manufacturing cost of equipment, shortens the adjusting time of the cold pilger mill, reduces the adjusting complexity of the equipment, is more beneficial to the automatic adjusting control of the cold pilger mill, and simultaneously improves the production efficiency of the cold pilger mill.
Description
Technical Field
The invention relates to the technical field of cold pilger mills, in particular to a single-rack driven high-speed cold pilger mill.
Background
The cold pilger mill is a main processing device for producing precise seamless tubes, the existing two-roll cold pilger mill generally comprises two roll shaft systems, one end of each shaft system is respectively provided with a synchronous gear, and the two roll shaft systems are arranged in a point symmetry manner in a rack assembly. The process method necessarily requires that two sides of the rack assembly are respectively provided with a group of synchronous racks which are respectively meshed with the synchronous gears on the shaft systems of the upper roller and the lower roller. The main problems of the process mode are as follows: firstly, the symmetry of the hole patterns on the upper and lower roll shafts is determined by the phases of two synchronous gears and synchronous racks meshed with the two synchronous gears, the positioning error of two groups of racks along the rolling direction and the error of the initial meshing position of the gears and the racks can cause the symmetry error of the hole patterns on the upper and lower roll shafts, the error is objectively existed when the specification is changed, and the symmetry error is ensured only by depending on the experience of an operator according to the position of a scribed line; secondly, because the synchronous gear is a standard part, according to the diameter of the rolled pipe, 3-4 pairs of synchronous gears with different tooth numbers are generally required to be equipped, which increases the number of spare parts of the synchronous gears, causes unnecessary waste and increases the workload of replacing the synchronous gears when the specification is replaced; finally, the size of the pipe diameter of the finished product is adjusted by adjusting the position of the axis of the upper roll shaft for multiple times during specification replacement, and the positions of the racks on the two sides are continuously adjusted so that the meshing gaps between the synchronous gears and the racks on the two sides can work within an allowable value range. These adjustments are quite tedious and add significantly to the operational difficulties of modern cold pilger mills.
Disclosure of Invention
The invention overcomes the defects of the prior art, provides the single-rack driven high-speed cold pilger mill, and particularly has the characteristics of simple structure, equipment and spare part cost saving and adjustment time saving.
The technical problem solved by the invention can be realized by adopting the following technical scheme:
a single-rack-driven high-speed cold pilger mill comprises a sliding seat mechanism, wherein a rack assembly is arranged on the sliding seat mechanism in a sliding manner, an upper rolling roll shaft and a lower rolling roll shaft are adjacently arranged in the rack assembly from top to bottom, the upper rolling roll shaft and the lower rolling roll shaft are positioned on the same side, the roll shafts extend to the outside of one side of the rack assembly, an upper gear mechanism is connected onto an extension roll shaft of the upper rolling roll shaft, a second driving gear is connected onto the extension roll shaft of the lower rolling roll shaft, the second driving gear and an upper gear mechanism are meshed with each other, a rack seat is arranged on the sliding seat mechanism on the same side of the upper gear mechanism and the second driving gear, and a synchronous rack meshed with the upper gear mechanism is arranged on the rack seat;
the upper gear mechanism and the synchronous rack are vertically arranged and meshed with each other, and the gap between the upper gear mechanism and the synchronous rack is adjustable.
Further, go up gear mechanism include synchronizing gear and first drive gear, synchronizing gear is located the outside of first drive gear, synchronizing gear and synchronous rack meshing, intermeshing between first drive gear and the second drive gear.
Furthermore, the modulus of the first driving gear and the modulus of the second driving gear should be larger than or equal to the modulus of the synchronous gear, the first driving gear and the second driving gear are profile shifted gears, the first driving gear is in positive profile shift, and the second driving gear is in negative profile shift.
Further, slide mechanism include host computer seat and slide, the slide is installed on the host computer seat, the slide is provided with two, the relative parallel arrangement of two slides, sliding connection between the both sides of rack assembly and two slides, rack seat installs on the slide of one side, rack assembly one end connection has the connecting rod round pin.
Further, the frame assembly include first frame and second frame, adopt the prestressing force pull rod to connect between first frame and the second frame, go up roll axle and roll axle down and adjacently install between first frame and second frame from top to bottom.
Further, the outside of the bottom of the first rack and the outside of the bottom of the second rack are both connected with rack sliding plates, the rack sliding plates are U-shaped sliding plates, and the rack sliding plates on the outside of the bottom of the first rack and the outside of the bottom of the second rack are connected with sliding seats on two sides respectively.
Furthermore, an adjusting mechanism is arranged on one side of the rack seat, and the synchronous rack adjusts the meshing gap between the synchronous rack and the upper gear mechanism in the rack seat through the adjusting mechanism.
Further, adjustment mechanism include the wedge, the wedge setting is in the inside of rack seat, and is located the below of synchronous rack, the wedge is the plane of level setting with the face of synchronous rack contact, through changing the position of wedge along length direction below synchronous rack, adjusts the position of synchronous rack vertical direction in the rack seat.
Furthermore, a roll gap adjusting mechanism for adjusting the axial distance between the upper roll shaft and the lower roll shaft is further arranged on the frame assembly above the upper roll shaft.
The invention has the beneficial effects that:
compared with the prior art, the invention has the following beneficial effects:
the invention overcomes the problems of complex structure, complex adjustment, poor symmetry of hole patterns and the like of the double-rack driving mechanism of the prior high-speed cold pilger mill, ensures the positioning accuracy of the hole patterns on the upper and lower rolling roll shafts by the meshing of a pair of first driving gears with the same tooth number and a second driving gear, is suitable for higher-accuracy rolling, reduces the number of synchronous gears from the prior two to one, reduces the synchronous racks and other prior auxiliary mechanisms from two groups to one group, and reduces the number of the synchronous gears of each specification to one, realizes the driving of a single rack, greatly simplifies the complex structure of the cold pilger mill, simplifies the mechanical structure, saves the cost of equipment and spare parts, simultaneously ensures the symmetry of the upper and lower hole patterns by adopting a pair of meshed driving gears, ensures the accuracy of the rolling process and products, and greatly facilitates the adjustment of the cold pilger mill because only one group of racks needs to be adjusted when the specification is changed, the adjusting time is saved, and conditions are provided for automatic control of the high-speed cold pilger mill.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the overall construction of a high-speed cold pilger mill of the present invention;
FIG. 2 is a schematic view of a detailed structure of a portion of the high-speed cold pilger mill of the present invention;
FIG. 3 is a schematic view of the connection structure of the rack assembly, gears and roller shafts according to the present invention;
FIG. 4 is a schematic cross-sectional view of an adjusting mechanism according to the present invention;
in the figure: 1-a main machine seat, 2-a rack seat, 3-a synchronous rack, 4-a synchronous gear, 5-a first driving gear, 6-a frame assembly, 7-an upper roll shaft, 8-a sliding seat, 9-an adjusting mechanism, 10-a second driving gear, 11-a lower roll shaft, 12-a connecting rod pin, 13-a frame sliding plate, 14-a roll gap adjusting mechanism, 15-a first frame, 16-a second frame, 17-a prestress pull rod and 18-a wedge block.
Detailed Description
The technical solution of the single-rack driven high-speed cold pilger mill according to the embodiments of the present invention will be described in detail by several specific embodiments.
Referring to fig. 1 and 2, a single-rack-driven high-speed cold pilger mill comprises a sliding seat mechanism, wherein the sliding seat mechanism is used for slidably mounting a rack assembly 6, an upper roll shaft 7 and a lower roll shaft 11 are adjacently mounted in the rack assembly 6 from top to bottom, the roll shafts of the upper roll shaft 7 and the lower roll shaft 11 which are positioned on the same side extend to the outside of one side of the rack assembly 6, an upper gear mechanism is connected onto an extension roll shaft of the upper roll shaft 7, a second drive gear 10 is connected onto an extension roll shaft of the lower roll shaft 11, the second drive gear 10 and the upper gear mechanism are meshed with each other, a rack seat 2 is arranged on the sliding seat mechanism on the same side of the upper gear mechanism and the second drive gear 10, and a synchronous rack 3 meshed with the upper gear mechanism is mounted on the rack seat 2; the upper gear mechanism and the synchronous rack 3 are arranged up and down and are meshed with each other, the gap between the upper gear mechanism and the synchronous rack 3 can be adjusted, and the working requirement of the cold pilger mill is met; according to the invention, the single synchronous rack 3 is adopted to drive the upper rolling roll shaft 7 to rotate, and the upper gear mechanism is meshed with the second driving gear 10, so that the synchronous rotation of the upper rolling roll shaft 7 and the lower rolling roll shaft 11 is realized.
Referring to fig. 2 and 3, the upper gear mechanism comprises a synchronizing gear 4 and a first driving gear 5, the synchronizing gear 4 is positioned at the outer side of the first driving gear 5, the synchronizing gear 4 is meshed with the synchronizing rack 3, and the first driving gear 5 is meshed with a second driving gear 10; the first drive gear 5 and the second drive gear 10 have the same number of teeth in the present invention.
It should be further noted that in the present invention, the module of the first driving gear 5 and the module of the second driving gear 10 should be greater than or equal to the module of the synchronizing gear 4, and the first driving gear 5 and the second driving gear 10 are profile shifted gears, and preferably, the first driving gear 5 is positively shifted and the second driving gear 10 is negatively shifted, so that the gears adopting this structure can satisfy the synchronous and correct meshing of the upper and lower roll shaft driving gears.
The difference from the above embodiment is: first drive gear 5 and second drive gear 10 all set up the contralateral meshing of installing at synchronous gear 4, that is to say synchronous gear 4 installs the roller shaft tip that is provided with single synchronous rack 3 one side at last roll shaft 7, first drive gear 5 sets up the tip of installing at the other end roller shaft, second drive gear 10 also correspondingly installs the roller shaft tip at second drive gear 10 opposite side, the transmission structure that adopts this structure still can realize the transmission of power, synchronous rack 3 on the rack seat 2 must guarantee to mesh with last roll shaft 7 this moment, and then realized adopting single synchronous rack 3 can drive high-speed cold pilger mill's last roll shaft 7 and lower roll shaft 11 synchronous revolution.
The difference from the above embodiment is: the first driving gear 5 and the second driving gear 10 are provided with two pairs, which are respectively connected to the roller shafts at two ends of the upper roller shaft 7 and the lower roller shaft 11 and are meshed with each other, the rack seat 2 and the synchronous rack 3 on the rack seat 2 are only positioned at one side of the upper roller shaft 7 and one side of the lower roller shaft 11, and the synchronous rack 3 is meshed with the synchronous gear 4.
In the invention, various changes and modifications based on gears for the transmission realized by the single synchronous rack 3 do not depart from the range of the transmission mode realized by the single synchronous rack 3, and the principle that the transmission can be realized by the single synchronous rack 3 in the invention if other changes and modifications in the prior art are all within the protection range of the invention.
Referring to fig. 1, 2 and 3, the sliding seat mechanism includes a main machine seat 1 and two sliding seats 8, the sliding seats 8 are installed on the main machine seat 1, wherein the two sliding seats 8 are arranged in parallel relatively and are both fixedly connected to the main machine seat 1, two sides of the rack assembly 6 are slidably connected to the two sliding seats 8, the rack seat 2 is installed on the sliding seat 8 on one side, one end of the rack assembly 6 is connected to a connecting rod pin 12, and the connecting rod pin 12 is driven by an existing driving connecting rod to push the rack assembly 6 to make a horizontal reciprocating linear motion along the sliding seats 8.
The frame assembly 6 comprises a first frame 15 and a second frame 16, the first frame 15 and the second frame 16 are connected through a prestress pull rod 17, the two first frames 15 and the two second frames 16 are adopted to install the upper roll shaft 7 and the lower roll shaft 11 between the first frame 15 and the second frame, gears are installed on the outer sides, the upper roll shaft 7 and the lower roll shaft 11 are adjacently installed between the first frame 15 and the second frame 16 from top to bottom, and meanwhile, the smooth transmission between the upper roll shaft 7 and the lower roll shaft 11 through which a pipe blank passes is facilitated.
The outside of first frame 15 and second frame 16 bottom all is connected with frame slide 13, frame slide 13 is the slide of "U" type structure, the purpose that this frame slide 13 set to "U" type slide is the direction of motion of restriction frame slide 13, and then the wobbling condition can not appear taking place, frame slide 13 in the outside of first frame 15 and second frame 16 bottom is equallyd divide and is connected with the slide 8 of both sides respectively, and then realize that first frame 15 and second frame 16 do horizontal reciprocating linear motion along slide 8 on whole host computer foundation 1.
Referring to fig. 1, 2 and 4, an adjusting mechanism 9 is arranged on one side of the rack seat 2, and the synchronous rack 3 adjusts the meshing gap between the synchronous rack 3 and the upper gear mechanism in the rack seat 2 through the adjusting mechanism 9, so as to ensure the rolling requirement during the pipe diameter adjustment.
The adjusting mechanism 9 in the invention belongs to the mature technology in the prior art, the adjusting mechanism 9 comprises a wedge block 18, the wedge block 18 is arranged in the rack seat 2 and is positioned below the synchronous rack 3, the surface of the wedge block 18, which is in contact with the synchronous rack 3, is a horizontally arranged plane, and the horizontal plane which is arranged to be the same as the synchronous rack 3 is used for ensuring that the synchronous rack 3 can do linear motion upwards or downwards when the wedge block 18 is adjusted, so that the position of the wedge block 18 below the synchronous rack 3 along the length direction is changed, the position of the synchronous rack 3 in the vertical direction in the rack seat 2 is adjusted, and the adjustment of the gap between the synchronous rack 3 and the synchronous gear 4 is further realized.
The frame assembly 6 above the upper roll shaft 7 is also provided with a roll gap adjusting mechanism 14 for adjusting the distance between the upper roll shaft 7 and the lower roll shaft 11, the roll gap adjusting mechanism 14 in the invention belongs to the mature technology in the prior art, so the roll gap adjusting mechanism 14 in the invention can be directly adopted, and the roll gap adjusting mechanism which can realize the function of adjusting the distance between the upper roll shaft 7 and the lower roll shaft 11 in the prior art belongs to the protection range of the invention, and the roll gap adjusting mechanism 14 aims at adjusting the distance between the upper roll shaft 7 and the lower roll shaft 11 when rolling tube blanks with different tube diameters, so the distance between the upper roll shaft 7 and the lower roll shaft 11 can be conveniently and quickly adjusted by adopting the structure, and the applicability of the high-speed cold pilger mill of the invention is improved.
Referring to fig. 1 and 2, it is further illustrated that: in the invention, a rack assembly 6 is connected with the existing driving connecting rod through a connecting rod pin 12 and makes reciprocating linear motion under the driving of the driving connecting rod; the roll collars as a tool for deforming the pipe blank need to be mounted on the upper roll shaft 7 and the lower roll shaft 11, respectively, in correct phase; the present invention has only one synchronizing gear 4 as a means for driving the rotation of the upper roll shaft 7, and is installed at the end of the upper roll shaft 7; the synchronous rack 3 is meshed with the right lower part of the synchronous gear 4;
when the frame assembly 6 makes reciprocating linear motion, the upper roll shaft 7 synchronously rotates; in order to synchronously transmit the driving torque of the upper roll shaft 7 to the lower roll shaft 11, a pair of mutually meshed displacement first driving gear 5 and second driving gear 10 are respectively installed on the upper roll shaft 7 and the lower roll shaft 11; in order to obtain a finished pipe with accurate outer diameter, the distance L between the axis of the upper roll shaft 7 and the lower roll shaft 11 needs to be adjusted repeatedly by the roll gap adjusting mechanism 14, and in order to meet the requirement that the two driving gears can transmit torque and motion correctly after adjustment, the first driving gear 5 and the second driving gear 10 need to be subjected to displacement processing according to a preset center distance L;
after the position of the upper roll shaft 7 is determined, the meshing clearance between the synchronous gear 4 and the synchronous rack 3 is adjusted to an allowable value through the adjusting mechanism 9 on the rack seat 2, and then the normal tube blank rolling can be carried out.
The working principle of the single-rack driven high-speed cold pilger mill is as follows:
when the existing driving connecting rod pushes the rack assembly 6 to do horizontal reciprocating linear motion along the slide way 8 through the connecting rod pin 12, the horizontal motion of the rack assembly 6 is converted into synchronous rotation of the upper roll shaft 7 through the meshing of the synchronous gear 4 on one side and the synchronous rack 3, the first driving gear 5 rotates synchronously along with the upper roll shaft 7, because the number of teeth of the second driving gear 10 is the same as that of the first driving gear 5, the lower roll shaft 11 rotates synchronously and reversely along with the upper roll shaft 7, the combined motion of the rotation and the linear motion of the upper roll shaft 7 and the lower roll shaft 11 causes the different circumferential parts of the roll ring hole patterns on the upper roll shaft and the lower roll shaft to be contacted with a tube blank, the outer diameter and the wall thickness of the tube blank are processed simultaneously, and the tube blank can be rolled to form a finished tube product tube with required size.
The invention overcomes the problems of complex double-rack driving mechanism, complex adjustment, poor symmetry of hole patterns and the like of the existing high-speed cold pilger mill, reduces the transmission synchronous rack and other accessory mechanisms on one side, reduces the number of synchronous gears of each specification to one, simplifies the mechanical structure, saves the cost of equipment and spare parts, simultaneously adopts a pair of meshed driving gears to ensure the symmetry of upper and lower hole patterns, ensures the precision of a rolling process and products, greatly facilitates the adjustment of the rolling mill, saves the adjustment time and provides conditions for the automatic control of the high-speed cold pilger mill because only one group of racks needs to be adjusted when the specification is changed.
While the embodiments of the present invention have been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and the scope of the present invention is within the scope of the claims.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
Technical solutions between various embodiments may be combined with each other, but must be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Claims (9)
1. The utility model provides a single-tooth bar driven high-speed cold pilger mill, characterized by: the automatic rolling machine comprises a sliding seat mechanism, a rack assembly (6) is slidably mounted on the sliding seat mechanism, an upper rolling roll shaft (7) and a lower rolling roll shaft (11) are adjacently mounted in the rack assembly (6) from top to bottom, the upper rolling roll shaft (7) and the lower rolling roll shaft (11) are positioned on the same side, the roll shafts extend to the outside of one side of the rack assembly (6), an upper gear mechanism is connected onto an extension roll shaft of the upper rolling roll shaft (7), a second driving gear (10) is connected onto the extension roll shaft of the lower rolling roll shaft (11), the second driving gear (10) and the upper gear mechanism are meshed with each other, a rack seat (2) is arranged on the sliding seat mechanism on the same side of the upper gear mechanism and the second driving gear (10), and a synchronous rack (3) meshed with the upper gear mechanism is mounted on the rack seat (2);
the upper gear mechanism and the synchronous rack (3) are vertically arranged and meshed with each other, and the gap between the upper gear mechanism and the synchronous rack is adjustable.
2. The single rack drive high speed cold pilger mill of claim 1, wherein: go up gear mechanism include synchro gear (4) and first drive gear (5), synchro gear (4) are located the outside of first drive gear (5), synchro gear (4) and synchronous rack (3) meshing, intermeshing between first drive gear (5) and second drive gear (10).
3. The single rack drive high speed cold pilger mill of claim 2, wherein: the modulus of the first driving gear (5) and the modulus of the second driving gear (10) are larger than or equal to the modulus of the synchronous gear (4), the first driving gear (5) and the second driving gear (10) are profile shifted gears, the first driving gear (5) is in positive displacement, and the second driving gear (10) is in negative displacement.
4. A single rack drive high speed cold pilger mill according to claim 1 or 2 or 3, characterized in that: slide mechanism include host computer seat (1) and slide (8), install on host computer seat (1) slide (8), slide (8) are provided with two, two slide (8) parallel arrangement relatively, sliding connection between the both sides of frame assembly (6) and two slide (8), install on slide (8) of one side rack seat (2), frame assembly (6) one end connection has connecting rod round pin (12).
5. The single rack drive high speed cold pilger mill of claim 4, wherein: frame assembly (6) include first frame (15) and second frame (16), adopt prestressing force pull rod (17) to connect between first frame (15) and second frame (16), go up roller axle (7) and down roller axle (11) from top to bottom adjacent install between first frame (15) and second frame (16).
6. The single rack drive high speed cold pilger mill of claim 5, wherein: first frame (15) and second frame (16) bottom outside all be connected with frame slide (13), frame slide (13) are the slide of "U" type structure, frame slide (13) in first frame (15) and second frame (16) bottom outside are equallyd divide and are connected with slide (8) of both sides respectively.
7. The single rack drive high speed cold pilger mill of claim 1, wherein: an adjusting mechanism (9) is arranged on one side of the rack seat (2), and the synchronous rack (3) adjusts the meshing gap between the synchronous rack (3) and the upper gear mechanism through the adjusting mechanism (9) in the rack seat (2).
8. The single rack drive high speed cold pilger mill of claim 7, wherein: adjustment mechanism (9) include wedge (18), wedge (18) set up in the inside of rack seat (2), and are located the below of synchronous rack (3), the plane that the face that wedge (18) and synchronous rack (3) contact is the level setting, through changing wedge (18) in synchronous rack (3) below along length direction's position, adjust the position of synchronous rack (3) vertical direction in rack seat (2).
9. A single rack drive high speed cold pilger mill according to claim 1 or 7 or 8, characterized by: and a roll gap adjusting mechanism (14) for adjusting the axial distance between the upper roll shaft (7) and the lower roll shaft (11) is also arranged on the frame assembly (6) above the upper roll shaft (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210791715.8A CN115090679A (en) | 2022-07-05 | 2022-07-05 | Single-rack-driven high-speed cold pilger mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210791715.8A CN115090679A (en) | 2022-07-05 | 2022-07-05 | Single-rack-driven high-speed cold pilger mill |
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| CN115090679A true CN115090679A (en) | 2022-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210791715.8A Pending CN115090679A (en) | 2022-07-05 | 2022-07-05 | Single-rack-driven high-speed cold pilger mill |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4993251A (en) * | 1989-07-07 | 1991-02-19 | Sandvik Special Metals Corporation | Rollstand having easily replaceable roll dies |
| CN105013824A (en) * | 2015-07-30 | 2015-11-04 | 中国重型机械研究院股份公司 | Device for regulating wedged pad iron of main machine seat of large-scale cold reducing mill with two rollers |
| CN108262360A (en) * | 2016-12-30 | 2018-07-10 | 核工业西南物理研究院 | A kind of annular pass rolls hollow profile preparation facilities |
| CN108430660A (en) * | 2015-12-23 | 2018-08-21 | 山特维克原料技术德国公开股份有限公司 | Pierre's format cold-rolling mill |
| CN113578971A (en) * | 2021-07-01 | 2021-11-02 | 广东科莱博科技有限公司 | Transmission structure of working frame of reciprocating rolling mill |
-
2022
- 2022-07-05 CN CN202210791715.8A patent/CN115090679A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4993251A (en) * | 1989-07-07 | 1991-02-19 | Sandvik Special Metals Corporation | Rollstand having easily replaceable roll dies |
| CN105013824A (en) * | 2015-07-30 | 2015-11-04 | 中国重型机械研究院股份公司 | Device for regulating wedged pad iron of main machine seat of large-scale cold reducing mill with two rollers |
| CN108430660A (en) * | 2015-12-23 | 2018-08-21 | 山特维克原料技术德国公开股份有限公司 | Pierre's format cold-rolling mill |
| CN108262360A (en) * | 2016-12-30 | 2018-07-10 | 核工业西南物理研究院 | A kind of annular pass rolls hollow profile preparation facilities |
| CN113578971A (en) * | 2021-07-01 | 2021-11-02 | 广东科莱博科技有限公司 | Transmission structure of working frame of reciprocating rolling mill |
Non-Patent Citations (1)
| Title |
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| 阎勤劳等: "《惯容隔振系统性能分析及在船海领域的应用探索》", 机械工业出版社 * |
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Application publication date: 20220923 |