CN202753324U - Roller distance-adjusting and clearance-quick-opening device for calender - Google Patents
Roller distance-adjusting and clearance-quick-opening device for calender Download PDFInfo
- Publication number
- CN202753324U CN202753324U CN 201220366337 CN201220366337U CN202753324U CN 202753324 U CN202753324 U CN 202753324U CN 201220366337 CN201220366337 CN 201220366337 CN 201220366337 U CN201220366337 U CN 201220366337U CN 202753324 U CN202753324 U CN 202753324U
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- screw
- opening device
- quick
- roller
- frame
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Abstract
The utility model discloses a roller distance-adjusting and clearance-quick-opening device for a calender. The roller distance-adjusting and clearance-quick-opening device comprises a wormgear box fixedly mounted on a framework and connected with a speed reduction motor. A wormgear in the wormgear box is connected with a threaded sleeve with an inner thread, the threaded sleeve is supported in the framework by a pair of bearings, a screw is fittingly arranged in an inner cavity of the threaded sleeve through the thread, a limit ring is fixed at the outer end of the screw, and a connecting flange is movably sleeved on the screw arranged in the limit ring and connected with a bearing seat of a bearing roller. A rotation driving device driving the threaded sleeve to rotate is arranged on the framework. The roller distance-adjusting and clearance-quick-opening device has the advantages that the head of the screw and a cushion are abrasion-free, thereby being free of maintenance, and maintenance time and cost are reduced; adjacent rollers can be separated quickly, separation states can be observed conveniently, working reliability is guaranteed further, and a series of losses are avoided.
Description
Technical field
The utility model relates to the calender of thin sheet products such as producing plastic sheet, film, artificial leather, refers more particularly to rolling mill roller roll adjustment and gap quick-opening device in order to adjust adjacent roller gap in the calender.
Background technology
Calender is mainly in order to produce the thin sheet products such as plastic sheet, film, artificial leather.Usually be provided with several rollers in the calender, the gap between the adjacent roller is exactly the thickness of its product that rolls.During normal operation, must remain certain pressure between adjacent roller, when calender breaks down or have a power failure suddenly, need in time make adjacent roller be separated to remove mutual pressure, prevent that roller is bent even ruptures.Therefore, in calender, be provided with roller roll adjustment and gap quick-opening device, its structure comprises: be fixedly installed in the worm gear case that links to each other with reducing motor on the frame, one end of screw rod is connected with worm gear in the worm gear case by dive key, be equipped with nut on the screw rod, nut is fixedly installed on the frame, the screw rod other end is provided with adpting flange, axially locking between adpting flange and the screw rod, and radially can rotate, adpting flange with open soon oil cylinder and be connected, open soon oil cylinder and be connected with the bearing block of supporting roller tube, open soon between the end face of the piston rod of oil cylinder and screw rod and be provided with wear-resistant gasket.When needs are adjusted the gap of adjacent roller, start reducing motor, reducing motor is by the rotation of the worm gear drives screw rod in the worm gear case, because nut is fixed on the frame, therefore screw rod will be done with respect to nut and move up and down, move up and down together thereby drive the roller of opening soon oil cylinder and bearing block and being supported in the bearing block, realize adjusting the purpose in gap between roller.In course of normal operation, open soon and filled with hydraulic oil in the oil cylinder, the about 2-3mm of core intersection, when calender breaks down or have a power failure suddenly, the hydraulic oil of opening soon in the oil cylinder can be bled off, open so soon the gap that will occur 2-3 mm between the piston rod of oil cylinder and the screw rod, by the carriage oil cylinder that is arranged in addition on the frame roller is outwards lifted 2-3 mm, just can make adjacent roller be separated to remove mutual pressure, prevent that roller is bent even ruptures.There are following shortcoming in roller roll adjustment and the gap quick-opening device of said structure: one, because the gap between roller is adjusted in the rotation of dependence screw rod, cause the serious wear between the sphere of the sphere of screw head and cushion block, roller left and right sides roll adjustment precision is affected, the thin sheet products thickness error of producing is serious, products waste, if maintenance, it removes and installs also is extremely to bother.Two, when machine breaks down or have a power failure suddenly, must first the hydraulic oil of opening soon in the oil cylinder be bled off, roller is broken away from mutually and remove mutual pressure; But when breaking down, the magnetic valve in the oil circuit just can not in time the hydraulic oil of opening soon in the oil cylinder be bled off, and because oil reservoir is too thin, the phenomenon that this hydraulic oil does not bleed off is difficult to be operated the worker and in time finds, roller is broken away from and pressure relief fast mutually, and the possibility of result causes the accidents such as roller press-bending even fracture.
The utility model content
The problem that the utility model need to solve be: a kind of screw head and pad can not wear and tear, adjacent roller can break away from fast mutually and this disengaged position can be observed easily rolling mill roller roll adjustment and gap quick-opening device are provided.
For addressing the above problem, the technical solution adopted in the utility model is: rolling mill roller roll adjustment and gap quick-opening device, comprise: be fixedly installed on the frame, the worm gear case that links to each other with reducing motor, it is characterized in that: the worm gear in the worm gear case is connected with a tapped screw shell, screw shell is supported in the frame by pair of bearings, be provided with screw rod by threaded engagement in the inner chamber of screw shell, the outer end of screw rod is fixed with spacing ring, be positioned on the screw rod of spacing ring and be movably installed with adpting flange, adpting flange is connected with the bearing block of supporting roller tube; On frame, also be provided with the rotating driving device that can drive the screw shell rotation.
Further, aforesaid rolling mill roller roll adjustment and gap quick-opening device, wherein, the structure of described rotating driving device is: be provided with in frame and open soon oil cylinder, be installed with rocking arm at screw shell, open soon the piston rod of oil cylinder and the outer end of rocking arm and be hinged.
Further, aforesaid rolling mill roller roll adjustment and gap quick-opening device wherein, also are provided with wear-resistant gasket between screw head and bearing block.
The utility model has the advantages that: one, since in the roll adjustment process screw shell rotate, screw rod is motionless, has avoided the wearing and tearing between the sphere of the sphere of screw head and wear-resistant gasket, thereby with regard to not needing it is keeped in repair, and has reduced maintenance time and cost; Two, rotate to an angle by opening soon hydraulic oil cylinder driving rocking arm and screw shell, screw rod drive bearing block and roller are outwards moved a certain distance, just can make adjacent roller be separated to remove mutual pressure, thereby can prevent the phenomenon that roller is bent even is ruptured; And this mode that adjacent roller is separated can be operated easily the workman and observe, and has further guaranteed the reliability of work, has avoided a series of losses.
Description of drawings
Fig. 1 is the structural representation of rolling mill roller roll adjustment described in the utility model and gap quick-opening device.
Fig. 2 is the structural representation of looking up the rotating driving device shown in the direction among Fig. 1.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and preferred embodiment.
Such as Fig. 1, shown in Figure 2, rolling mill roller roll adjustment and gap quick-opening device, comprise: be fixedly installed on the frame 1, the worm gear case 3 that links to each other with reducing motor 2, worm gear 31 in the worm gear case 3 is connected with a tapped screw shell 4, screw shell 4 is supported in the frame 1 by pair of bearings 5, be provided with screw rod 6 by threaded engagement in the inner chamber of screw shell 4, the outer end of screw rod 6 is fixed with spacing ring 7, be positioned on the screw rod 6 of spacing ring 7 and be movably installed with adpting flange 8, adpting flange 8 is connected with the bearing block 10 of supporting roller tube 9, also is provided with wear-resistant gasket 13 between screw rod 6 heads and bearing block 10; Also be provided with the rotating driving device that can drive screw shell 4 rotations on frame 1, its structure is: be provided with in frame 1 and open soon oil cylinder 11, be installed with rocking arm 12 at screw shell 4, open soon the piston rod of oil cylinder 11 and the outer end of rocking arm 12 and be hinged.
Operation principle of the present utility model is: when needs are adjusted gap between the adjacent roller 9, start reducing motor 2, reducing motor 2 drives screw shell 4 rotations by the worm gear 31 in the worm gear case 3, because screw rod 6 passes through threaded engagement with the inner chamber of screw shell 4, therefore after screw shell 4 rotations, screw rod 6 drives bearing block 10 and roller 9 moves up or down together, thereby realizes adjusting the purpose of adjacent roller 9 gaps.Owing to do not rotate and relative displacement between screw rod 6 and the wear-resistant gasket 13, so can not produce abrasion between the head of screw rod 6 and the wear-resistant gasket 13, thereby with regard to not needing it is keeped in repair, reduced maintenance time and cost.When calender breaks down or have a power failure suddenly, start and open soon oil cylinder 11, make and open soon oil cylinder 11 driving rocking arms 12 to fast evolution to rotation, can be referring to shown in Figure 2, because rocking arm 12 is fixed on the screw shell 4, can drive screw shell 4 when therefore rocking arm 12 rotates rotates together, after screw shell 4 rotates to an angle, screw rod 6 in its inner chamber can drive bearing block 10 and roller 9 outwards moves a certain distance together, thereby make adjacent roller 9 be separated to remove mutual pressure, thereby can prevent the phenomenon that roller 9 is bent even is ruptured, and this mode that adjacent roller 9 is separated can be operated easily that the workman is observed to arrive, and has further guaranteed the reliability of work, a series of losses have been avoided.
Claims (3)
1. rolling mill roller roll adjustment and gap quick-opening device, comprise: be fixedly installed in worm gear case on the frame, that link to each other with reducing motor, it is characterized in that: the worm gear in the worm gear case is connected with a tapped screw shell, screw shell is supported in the frame by pair of bearings, be provided with screw rod by threaded engagement in the inner chamber of screw shell, the outer end of screw rod is fixed with spacing ring, be positioned on the screw rod of spacing ring and be movably installed with adpting flange, adpting flange is connected with the bearing block of supporting roller tube; On frame, also be provided with the rotating driving device that can drive the screw shell rotation.
2. rolling mill roller roll adjustment according to claim 1 and gap quick-opening device, it is characterized in that: the structure of described rotating driving device is: be provided with in frame and open soon oil cylinder, be installed with rocking arm at screw shell, open soon the piston rod of oil cylinder and the outer end of rocking arm and be hinged.
3. rolling mill roller roll adjustment according to claim 1 and 2 and gap quick-opening device is characterized in that: also be provided with wear-resistant gasket between screw head and bearing block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220366337 CN202753324U (en) | 2012-07-27 | 2012-07-27 | Roller distance-adjusting and clearance-quick-opening device for calender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220366337 CN202753324U (en) | 2012-07-27 | 2012-07-27 | Roller distance-adjusting and clearance-quick-opening device for calender |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202753324U true CN202753324U (en) | 2013-02-27 |
Family
ID=47732519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220366337 Expired - Fee Related CN202753324U (en) | 2012-07-27 | 2012-07-27 | Roller distance-adjusting and clearance-quick-opening device for calender |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202753324U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102773958A (en) * | 2012-07-27 | 2012-11-14 | 张家港市兰航机械有限公司 | Device for adjusting gap of calender roller and opening gap fast |
| CN110238983A (en) * | 2019-07-17 | 2019-09-17 | 哈尔滨理工大学 | A kind of test-type open mill machinery roll-setting gear and application method |
-
2012
- 2012-07-27 CN CN 201220366337 patent/CN202753324U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102773958A (en) * | 2012-07-27 | 2012-11-14 | 张家港市兰航机械有限公司 | Device for adjusting gap of calender roller and opening gap fast |
| CN110238983A (en) * | 2019-07-17 | 2019-09-17 | 哈尔滨理工大学 | A kind of test-type open mill machinery roll-setting gear and application method |
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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: 20130227 Termination date: 20170727 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |