CN212664516U - Novel multiple counter weight cold rolling mill - Google Patents
Novel multiple counter weight cold rolling mill Download PDFInfo
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- CN212664516U CN212664516U CN202021525105.6U CN202021525105U CN212664516U CN 212664516 U CN212664516 U CN 212664516U CN 202021525105 U CN202021525105 U CN 202021525105U CN 212664516 U CN212664516 U CN 212664516U
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- roll
- counterweight
- cold rolling
- rolling mill
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- 238000005097 cold rolling Methods 0.000 title claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 238000005096 rolling process Methods 0.000 claims description 22
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- 238000003754 machining Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010622 cold drawing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
The utility model discloses a novel multi-counterweight cold rolling mill, which comprises a main frame, a connecting rod, a counterweight gear, a roller retainer and a roller fixing frame, wherein a motor is arranged on one side of the main frame, a roller fixing frame is arranged on the other side of the roller fixing frame, a gear shaft is arranged in the main frame, at least two groups of weight boxes vertical to the gear shaft are arranged in the main frame, a plurality of rotating shafts which are arranged in parallel with the gear shaft are arranged in the weight box, mutually meshed weight gears are arranged among the parallel rotating shafts, one of the balance weight gears is meshed with the transmission gear on the gear shaft, crank balance weight fan-shaped blocks arranged on the rotating shaft are arranged on two sides of the balance weight gear, one of the crank balance weight fan-shaped blocks close to the central line of the main rack is connected with a connecting rod through a bayonet lock, the other end of the connecting rod is arranged on a roller retainer, and the roller retainer is arranged in a roller fixing frame; the utility model has the characteristics that: the operation speed is fast, the stability is high, and the production efficiency is high.
Description
Technical Field
The utility model relates to a collar steel pipe cold drawing equipment technical field specifically is a novel multiple counter weight cold rolling mill.
Background
The cold rolling mill is a machine for processing metal materials by pressure, and pulls a cold rolling frame through a connecting rod structure, so that a bearing roller and a working roller on the cold rolling frame apply force to two surfaces of steel together, and a rolled piece generates plastic deformation so as to achieve the purposes of reducing diameter and reducing wall. Traditional cold rolling mill passes through the connecting rod and is in the same place with the assembly of roll frame, through motor drive connecting rod, drives the roll rolling tubular product on the roll frame, because the functioning speed is fast, and weight is big, can cause the frame to shake violently to influence the functioning speed of rolling mill and the rolling precision of steel pipe, all install a gear in traditional frame in addition and slow down, can't satisfy present processing demand, the production of giving people has brought inconveniently.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel multiple counter weight cold rolling mill, through increasing many to counter weight gear and crank counter weight segment in the structure, can be better eliminate inertia, maintain equipment balance for rolling process is more stable, finely tunes the roll through the adjustment swash plate on the roll mount, is applicable to not unidimensional tubular product processing.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme: a novel multi-counterweight cold rolling mill comprises a main frame, a connecting rod, a counterweight gear, a roll retainer and a roll fixing frame, wherein a motor is arranged on one side of the main frame, the roll fixing frame is arranged on the other side of the main frame, a gear shaft is arranged in the main frame, a transmission gear is arranged on the gear shaft, at least two groups of counterweight boxes vertical to the gear shaft are arranged in the main frame, a plurality of rotating shafts parallel to the gear shaft are arranged in the counterweight boxes, mutually meshed counterweight gears are arranged between the parallel rotating shafts, the counterweight gear is mutually meshed with the transmission gear on the gear shaft, crank counterweight fan-shaped blocks arranged on the rotating shafts are arranged on two sides of the counterweight gear, one of the crank counterweight fan-shaped blocks close to the central line of the main frame is connected with the connecting rod through, the roller retainer is arranged in the roller fixing frame.
Preferably, the roll fixing frame is divided into an upper part and a lower part which are supported and connected through a plurality of studs, inclined plates are installed on the end faces of the opposite faces of the roll fixing frame, and toothed plates are fixed on the end faces of the roll fixing frame of the lower part.
Preferably, bearing seats with upper and lower double-hole structures are arranged on two side faces of the roll retainer, a working roll and a bearing roll which are parallel up and down are connected between the bearing seats, rolling gears are sleeved at the front ends of the working roll and the bearing roll, rolling bearings are sleeved at shaft shoulders of the working roll and the bearing roll, bearing rollers are sleeved outside the rolling bearings, and the bearing rollers are in contact with the inclined plate.
Preferably, the inclined plate can be adjusted by a manual screw or a speed reducer, and the screw is arranged between the roller fixing frame and the inclined plate.
Preferably, the toothed plates on the roller fixing frame are arranged diagonally from top to bottom, and the toothed plates are meshed with the rolling gears on the roller retainer.
Preferably, a conical processing hole is formed between the working roller and the bearing roller.
Preferably, the roll holder is provided with connecting rod mounting holes of an integrated structure on both sides of the front end thereof.
Preferably, the other end of the connecting rod is fixedly connected in a connecting rod mounting hole of the roller retainer through a clamping pin.
Preferably, an exit chuck is arranged between the connecting rods on the main frame.
Preferably, the motor is connected with a gear shaft in the main frame through a speed reducer or a belt drive.
Compared with the prior art, the novel multiple counterweight cold rolling mill adopting the technical scheme has the following beneficial effects: firstly, a plurality of pairs of counterweight gears and crank counterweight sector blocks in the counterweight box can effectively offset impact load brought by the operation of a roller retainer, maintain equipment balance, accelerate cold rolling speed and improve productivity; secondly, the whole roll mounting rack is pulled by the connecting rod, so that the working roll and the rolling gears at the two ends of the bearing roll in the roll retainer rotate back and forth on the toothed plate, the toothed plate transmission can reduce the load under high-speed operation, stable transmission is realized, and the efficiency is improved; and thirdly, the height of the inclined plate is adjusted by adjusting the position of the manual screw, so that the inclined plate extrudes the surface of the bearing roller to finely adjust the gap between the working roller and the bearing roller, thereby adjusting the size of the processing hole.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a schematic structural view of the roll fixing frame and the roll holder of the present invention.
Fig. 4 is a schematic structural view of the weight box of the present invention.
Fig. 5 is a schematic structural view of the roll fixing frame of the present invention.
Fig. 6 is a schematic structural view of the roll cage of the present invention.
Reference numerals: 1. a motor; 2. a main frame; 20. a gear shaft; 21. a transmission gear; 3. an outlet chuck; 4. a weight box; 40. a rotating shaft; 41. a crank counterweight sector; 42. a counterweight gear; 43. a bayonet lock; 5. a connecting rod; 6. a roll cage; 60. a bearing seat; 61. a rolling gear; 62. a work roll; 63. a bearing roller; 64. a rolling bearing; 65. a bearing roller; 66. machining a hole; 67. a connecting rod mounting hole; 7. a roller fixing frame; 70. a toothed plate; 8. a sloping plate; 80. and (4) screws.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 6, a novel multiple-counterweight cold rolling mill comprises a main frame 2, a connecting rod 5, a counterweight gear 42, a roll holder 6 and a roll holder 7, wherein a motor 1 is placed on one side of the main frame 2, the roll holder 7 is placed on the other side of the main frame 2, a gear shaft 20 is installed in the main frame 2, a transmission gear 21 is installed on the gear shaft 20, at least two groups of counterweight boxes 4 perpendicular to the gear shaft 20 are placed in the main frame 2, a plurality of rotating shafts 40 installed in parallel with the gear shaft 20 are arranged in the counterweight boxes 4, mutually meshed counterweight gears 42 are installed between the parallel rotating shafts 40, one counterweight gear 42 is mutually meshed with the transmission gear 21 on the gear shaft 20, crank counterweight blocks 41 installed on the rotating shafts 40 are respectively arranged on two sides of the counterweight gears 42, one crank counterweight block 41 close to the central line of the main frame 2 is connected with the, the other end of connecting rod 5 is installed on roll holder 6, roll holder 6 is installed in roll mount 7, roll mount 7 divide into two parts from top to bottom, and it supports the connection through a plurality of double-screw bolts, install swash plate 8 on the terminal surface of roll mount 7 opposite face, the terminal surface of the roll mount 7 of lower part is fixed with pinion rack 70, the both sides face of roll holder 6 is equipped with bearing frame 60 of diplopore structure from top to bottom, is connected with parallel working roll 62 and bearing roll 63 from top to bottom between the bearing frame 60, the front end of working roll 62 and bearing roll 63 all overlaps has rolling gear 61, the shaft shoulder department of working roll 62 and bearing roll 63 all overlaps has antifriction bearing 64, and antifriction bearing 64 coats outward has bearing roller 65, bearing roller 65 contacts with swash plate 8, swash plate 8 accessible manual screw 80 or install the speed reducer additional and adjust, this screw 80 is installed in the middle of roll mount 7 and swash plate 8, pinion rack 70 on the roll mount 7 is the diagonal angle installation from top to bottom, and pinion rack 70 and the rolling gear 61 intermeshing on the roll holder 6, constitute toper processing hole 66 between work roll 62 and the bearing roller 63, the front end both sides of roll holder 6 are provided with the connecting rod mounting hole 67 of integral type structure, the other end of connecting rod 5 passes through bayonet 43 fixed connection in the connecting rod mounting hole 67 of roll holder 6, be equipped with export chuck 3 between the connecting rod 5 on main frame 2, motor 1 is connected with gear shaft 20 in the main frame 2 through reduction gear or belt drive.
In actual use, as shown in fig. 1, 2 and 4, the motor 1 drives the gear shaft 20 in the main frame 2 to rotate through the transmission of the reducer or the belt, the transmission gear 21 on the gear shaft 20 is meshed with the counterweight gear 42 in the counterweight box 4 to drive the counterweight gear 42 to rotate, the counterweight gear 42 is installed on the rotating shaft 40, and the crank counterweight sector 41 installed on the rotating shaft 40 is arranged on both sides of the counterweight gear 42, so as to drive the crank counterweight sector 41 to rotate; the end face of the crank counterweight sector 41 is fixedly connected with a connecting rod 5 through a bayonet 43, the other end of the connecting rod 5 is also fixedly connected in a connecting rod mounting hole 67 of the roller retainer 6 through the bayonet 43, according to the principle of a connecting rod mechanism, the crank counterweight sector 41 rotates, and the connecting rod 5 pushes the roller retainer 6 to do reciprocating motion on a toothed plate 70 of the roller fixing frame 7; at least two groups of weight boxes 4 are arranged in the main rack 2, a plurality of parallel rotating shafts 40 are arranged in the weight boxes 4, mutually meshed balance gears 42 and crank balance fan-shaped blocks 41 on two sides of the balance gears 42 are arranged among the parallel rotating shafts 40, and a plurality of balance gears 42 and crank balance fan-shaped blocks 41 can effectively offset impact load brought by the operation of the roller retainer 6, maintain equipment balance, accelerate cold rolling speed and improve productivity.
As shown in fig. 3, 5 and 6, bearing seats 60 with an upper-lower double-hole structure are arranged on two side surfaces of the roll holder 6, a working roll 62 and a bearing roll 63 which are parallel up and down are connected between the bearing seats 60, a processing hole 66 formed by the working roll 62 and the bearing roll 63 is conical, the conical processing hole 66 can more favorably reduce the diameter and the wall of the steel pipe, the working roll 62 and the bearing roll 63 which are parallel up and down can play a role in bearing, and double-sided processing can be realized, so that the production efficiency is improved; the toothed plate 70 is arranged on the surface of the roller fixing frame 7, the rolling gears 61 are sleeved at two opposite ends of the working roller 62 and the bearing roller 63, the rolling gears 61 and the toothed plate 70 are meshed with each other, the whole roller retainer 6 is pulled to reciprocate on the toothed plate 70 through the connecting rod 5, so that the working roller 62 and the bearing roller 63 in the roller retainer 6 rotate in the bearing seat 60 and roll the steel pipe in the processing hole 66, the rolling gears 61 and the toothed plate 70 are driven to have high efficiency and heavy load, the operation is reliable, the load can be reduced at high speed, the characteristic of stable transmission is realized, and the productivity of the steel pipe can be improved; when the gap between the work roll 62 and the bearing roll 63 needs to be adjusted, the position of the screw 80 is manually adjusted to move between the end surface of the roll fixing frame 7 and the inclined plate 8, the inclined plate 8 is pressed, the bearing roller 65 on the outermost ring of the work roll 62 and the bearing roll 63 is pressed after the inclined plate 8 is stressed, the bearing roller 65 presses the rolling bearing 64, the rolling bearing 64 presses the work roll 62 and the bearing roll 63, the gap between the work roll 62 and the bearing roll 63 is reduced, and the size of the machining hole 66 is adjusted, and the adjustment is only the fine adjustment of the machining hole 66.
In conclusion, the pipe to be processed is clamped on the outlet chuck 3 and placed in the processing hole 66 of the roll holder 6, the motor 1 drives the gear shaft 20 in the main frame 2 to rotate through the transmission of the speed reducer or the belt, the gear shaft 20 drives the counterweight gear 42 on the rotating shaft 40 to rotate, the crank counterweight sector block 41 on one side of the counterweight gear 42 pulls the connecting rod 5 to move, the roll holder 6 on the other end of the connecting rod 5 pulls the connecting rod to reciprocate on the toothed plate 70, and the pipe is rolled through the tapered processing hole 66 between the working roll 62 and the bearing roll 63.
The above is the preferred embodiment of the present invention, and a person skilled in the art can make several modifications and improvements without departing from the principle of the present invention, and these should also be regarded as the protection scope of the present invention.
Claims (10)
1. A novel multi-counterweight cold rolling mill comprises a main frame (2), a connecting rod (5), counterweight gears (42), a roll retainer (6) and a roll fixing frame (7), and is characterized in that a motor (1) is placed on one side of the main frame (2), the roll fixing frame (7) is placed on the other side of the main frame, a gear shaft (20) is installed in the main frame (2), a transmission gear (21) is installed on the gear shaft (20), at least two groups of counterweight boxes (4) perpendicular to the gear shaft (20) are placed in the main frame (2), a plurality of rotating shafts (40) which are installed in parallel with the gear shaft (20) are arranged in the counterweight boxes (4), the counterweight gears (42) which are meshed with each other are installed between the rotating shafts (40) which are parallel to each other, one of the counterweight gears (42) are meshed with the transmission gear, the two sides of the balance weight gear (42) are respectively provided with a crank balance weight fan-shaped block (41) arranged on the rotating shaft (40), one crank balance weight fan-shaped block (41) close to the central line of the main frame (2) is connected with a connecting rod (5) through a clamping pin (43), the other end of the connecting rod (5) is arranged on a roller retainer (6), and the roller retainer (6) is arranged in a roller fixing frame (7).
2. The novel multi-counterweight cold rolling mill according to claim 1, characterized in that the roll fixing frame (7) is divided into an upper part and a lower part, which are supported and connected through a plurality of studs, the end surfaces of the opposite surfaces of the roll fixing frame (7) are provided with inclined plates (8), and the end surface of the roll fixing frame (7) of the lower part is fixed with toothed plates (70).
3. The novel multi-counterweight cold rolling mill according to claim 1 or 2, characterized in that bearing seats (60) with an upper and lower double-hole structure are arranged on two side surfaces of the roll holder (6), a working roll (62) and a bearing roll (63) which are parallel up and down are connected between the bearing seats (60), rolling gears (61) are sleeved on the front ends of the working roll (62) and the bearing roll (63), rolling bearings (64) are sleeved on shaft shoulders of the working roll (62) and the bearing roll (63), bearing rollers (65) are sleeved on the rolling bearings (64), and the bearing rollers (65) are in contact with the inclined plate (8).
4. A novel multi-weight cold rolling mill according to claim 2, characterized in that the sloping plate (8) can be adjusted by a manual screw (80) or by an additional speed reducer, and the screw (80) is installed between the roll fixing frame (7) and the sloping plate (8).
5. A novel multi-counterweight cold rolling mill according to claim 3, characterized in that the toothed plates (70) on the roll fixing frame (7) are diagonally installed up and down, and the toothed plates (70) are engaged with the rolling gears (61) on the roll holder (6).
6. A novel multi-counterweight cold rolling mill according to claim 3, characterized in that a tapered machining hole (66) is formed between the working roll (62) and the bearing roll (63).
7. A novel multi-counterweight cold rolling mill according to claim 3, characterized in that connecting rod mounting holes (67) of an integrated structure are arranged on two sides of the front end of the roll cage (6).
8. A novel multi-counterweight cold rolling mill according to claim 7, characterized in that the other end of the connecting rod (5) is fixedly connected in the connecting rod mounting hole (67) of the roll cage (6) through a bayonet (43).
9. A novel multi-counterweight cold rolling mill according to claim 1, characterized in that an exit chuck (3) is provided between the tie rods (5) on the main frame (2).
10. A novel multi-counterweight cold rolling mill according to claim 1, characterized in that the motor (1) is connected with the gear shaft (20) in the main frame (2) by means of a speed reducer or belt drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021525105.6U CN212664516U (en) | 2020-07-29 | 2020-07-29 | Novel multiple counter weight cold rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021525105.6U CN212664516U (en) | 2020-07-29 | 2020-07-29 | Novel multiple counter weight cold rolling mill |
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| Publication Number | Publication Date |
|---|---|
| CN212664516U true CN212664516U (en) | 2021-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021525105.6U Active CN212664516U (en) | 2020-07-29 | 2020-07-29 | Novel multiple counter weight cold rolling mill |
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| Country | Link |
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| CN (1) | CN212664516U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111889520A (en) * | 2020-07-29 | 2020-11-06 | 浙江中星钢管机械有限公司 | A new type of multi-counterweight cold rolling mill |
| CN118080569A (en) * | 2024-04-18 | 2024-05-28 | 中国重型机械研究院股份公司 | Three-tooth double-leaf crank connecting rod mechanism for cold pilger mill and use method |
-
2020
- 2020-07-29 CN CN202021525105.6U patent/CN212664516U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111889520A (en) * | 2020-07-29 | 2020-11-06 | 浙江中星钢管机械有限公司 | A new type of multi-counterweight cold rolling mill |
| CN118080569A (en) * | 2024-04-18 | 2024-05-28 | 中国重型机械研究院股份公司 | Three-tooth double-leaf crank connecting rod mechanism for cold pilger mill and use method |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Zhongyi Technology Co.,Ltd. Assignor: ZHEJIANG ZHONGXING EQUIPMENT Co.,Ltd. Contract record no.: X2023330000539 Denomination of utility model: A New Type of Multiple Counterweight Cold Rolling Mill Granted publication date: 20210309 License type: Common License Record date: 20230818 |