CN204866928U - Two -roll reeler surmounts formula material feeding unit - Google Patents
Two -roll reeler surmounts formula material feeding unit Download PDFInfo
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- CN204866928U CN204866928U CN201520561937.6U CN201520561937U CN204866928U CN 204866928 U CN204866928 U CN 204866928U CN 201520561937 U CN201520561937 U CN 201520561937U CN 204866928 U CN204866928 U CN 204866928U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
Abstract
The utility model provides a two -roll reeler surmounts formula material feeding unit, send the frame including the fore -clamp, the fore -clamp send the frame inside roller and the lower roll of being provided with respectively from top to bottom, lower roll one end is connected with drive arrangement, connects through freewheel clutch between drive arrangement and the lower roll, the fore -clamp send frame pay -off direction to be provided with the host computer leveling roller, and the drive arrangement electricity is connected with frequency conversion control system host computer leveling roller and frequency conversion control system electric connection. Freewheel clutch is looks quadrature axis straight -tooth conical gear. Be connected with host computer drive arrangement on the host computer leveling roller. Frequency conversion control system control drive arrangement's speed matching host computer drive arrangement's speed, drive arrangement's speed is less than the speed of host computer leveling roller. Host computer drive arrangement and drive arrangement are the hydro -cylinder. Utilize a feeding system who surmounts the form, can have the finish who guarantees to rectify the back rod under the poor condition of speed with feeding mechanism at the host computer.
Description
Technical field
The utility model relates to two-roll reeler override type pay-off.
Background technology
Two-roll reeler, as a kind of equipment of precision straightening, is a ring important on WIRE FINISHING LINE line, its many with peeling machine with the use of, for the aligning tumbling of bar after peeling, the linearity of raising finished product bar and surface smoothness.Due to the distinctive Levelling principle of two-roll reeler, bar is nipped situation about having some setbacks, so bar is sent in straightener main frame by the form that existing two-roll reeler is generally pinched by pair roller by anterior feed mechanism to adopt the form of multi-roll straightening machine roller-way feeding often to occur.When material loading, in the scope that bar head feeding feed mechanism can be pinched, drive upper bottom pinch roll folding, then electric motor starting by oil cylinder, bar is rotated and sends into main frame.The pair roller of two-roll reeler feed mechanism and the pair roller of main frame are cross roll layout, and in feeding process, both couplings always exist certain error, thus cause the speed difference on aligning direction, the stranding causing bar to cause due to speed difference wound.
Utility model content
In order to overcome, existing apparatus medial error is comparatively large, the serious problem of wound rubbed with the hands by bar, the utility model provides a kind of two-roll reeler override type pay-off, the possibility that the utility model error is little, wound rubbed with the hands by reduction bar, at utmost ensures the surface smoothness of rod product.
The technical solution adopted in the utility model is:
Two-roll reeler override type pay-off, pinches frame before comprising, and pinches machine frame inside and be respectively arranged with top roll and lower roll up and down before described, and described lower roll one end is connected with drive unit, is connected between drive unit and lower roll by freewheel clutch; Before pinch frame feed direction and be provided with main frame smoothing roll, drive unit is electrically connected with frequency-changing control system, and main frame smoothing roll is electrically connected with frequency-changing control system.
Described freewheel clutch is roller-type overrunning clutch, and described freewheel clutch comprises inner ring and outer ring, is provided with some band rollers between inner ring and outer ring, and roller presses be connected with the post that pushes away be arranged on inner ring, described in push away on post and be provided with spring.
The inner ring of drive unit and freewheel clutch is by bolt connecing, and the outer ring bolt of lower roll and freewheel clutch is connecing.
Described main frame smoothing roll is with front to pinch frame concordant.
Described main frame smoothing roll is connected with the host driven installation driving main frame smoothing roll.
The speed of the speeds match host driven installation of described frequency-changing control system accessory drive, the speed of drive unit is lower than the speed of main frame smoothing roll.
Described host driven installation and drive unit are as oil cylinder.
The beneficial effects of the utility model are:
Utilize a kind of feed system of beyond form, the surface smoothness of bar after rectifying can be ensured when main frame and feed mechanism have speed difference.
When front pinch roll inside dialled in by bar, feeding action is carried out in the motor rotation simultaneously of hydraulic cylinder action clamping bar.But, front pinch roll feeding speed and main frame smoothing roll are stung material speed and can not be mated completely, so when main frame nipped by bar, fore-clamp liquor charging cylinder pressure needs accurately to open, to prevent because front pinch roll is asynchronous with main frame smoothing roll speed and cause bar to rub the generation of hindering phenomenon with the hands.First the feeding speed of front pinch roll is passed through VFC herein, make itself and main frame speed close simultaneously a little less than main frame speed as far as possible, in plant equipment, introduce the use of freewheel clutch in addition.
During current pinch roll feeding, its speed can a little less than main frame speed, and when bar is nipped, main frame speed is higher, then can cause clutch override, and front pinch roll is servo-actuated.
Below in conjunction with embodiment accompanying drawing, this patent is described further.
Accompanying drawing explanation
Fig. 1 operational diagram of the present utility model.
The structural representation of Fig. 2 freewheel clutch.
In figure, Reference numeral: 1, frontly pinch frame; 2, top roll; 3, workpiece; 4, lower roll; 5, frequency-changing control system; 6, drive unit; 7, freewheel clutch; 8, main frame smoothing roll; 9, spring; 10, post is pushed away; 11 rollers; 12, inner ring; 13, outer ring.
Detailed description of the invention
Embodiment 1:
In order to overcome, existing apparatus medial error is comparatively large, the serious problem of wound rubbed with the hands by bar, the utility model provides a kind of two-roll reeler override type pay-off as shown in Figure 1, the possibility that the utility model error is little, wound rubbed with the hands by reduction bar, at utmost ensures the surface smoothness of rod product.
Two-roll reeler override type pay-off, pinches frame 1 before comprising, pinch frame 1 inside and be respectively arranged with top roll 2 and lower roll 4 up and down before described, and described lower roll 4 one end is connected with drive unit 6, is connected between drive unit 6 and lower roll 4 by freewheel clutch 7; Before pinch frame 1 feed direction and be provided with main frame smoothing roll 8, drive unit 6 is electrically connected with frequency-changing control system 5.
Pinch in frame 1 before front pinch roll top roll 2 and lower roll 4 are arranged on, when workpiece 3 is sent in front pinch roll, top roll 2 action holding workpiece 3 under hydraulic oil cylinder driving, then lower roll 4 rotates under the drive of drive unit 6, is sent in main frame smoothing roll 8 by workpiece 3.During in front pinch roll feeding in main frame smoothing roll 8 of not nipping, freewheel clutch 7 in systems in which as transmission mechanism by power transmission to lower roll 4, simultaneously drive unit 6 under the control of frequency-changing control system 5 by drive unit 6 speed of front pinch roll and host driven installation speeds match and a little less than main frame smoothing roll 8 speed.Top roll 2 and lower roll 4 consist of front pinch roll.
Embodiment 2:
On basis based on embodiment 1, as shown in Figure 2, freewheel clutch 7 described in the present embodiment is roller-type overrunning clutch, described freewheel clutch 7 comprises inner ring 12 and outer ring 13, some band rollers 11 are provided with between inner ring 12 and outer ring 13, roller 11 presses be connected with the post 10 that pushes away be arranged on inner ring 12, described in push away on post 10 and be provided with spring 9.
When outer ring 13 rotational angular velocity is less than inner ring 12 rotational angular velocity, inner ring 12 realizes run-in synchronism by roller 11 and outer ring 13; When outer ring 13 rotational angular velocity is greater than inner ring 12 rotational angular velocity, inside and outside circle will art skating, only deposits minimum pivoting friction moment of torsion and exists.
The inner ring 12 of drive unit 6 and freewheel clutch 7 is by bolt connecing, and outer ring 13 bolt of lower roll 4 and freewheel clutch 7 is connecing.
In work, drive unit 6 drives freewheel clutch inner ring 12 to rotate, and because outer ring 13 rotational angular velocity of now freewheel clutch 7 is zero, rotates, to main frame delivered inside workpiece 3 so follow inner ring 12 speed sync; Drive unit 6 inside carries encoder, self rotary speed is transferred to the frequency-changing control system 5 of equipment, according to program setting, by the velocity of rotation of frequency-changing control system 5 main control system drive unit a little more than drive unit 6.When main frame smoothing roll 8 nipped by workpiece 3, top roll 2 and lower roll 4 are not opened at once up and down, so now workpiece 3 can drive top roll 2 to follow the rotation of main frame speed together with lower roll 4, drive outer ring 13 synchronous rotary in freewheel clutch 7 simultaneously.Because main frame rotary speed is a little more than drive unit 6 speed, so outer ring 13 speed in freewheel clutch 7 a little more than inner ring 12, now can surmount motion and produce, thus avoid the stranding wound of bar.
Embodiment 3:
On basis based on above-mentioned two embodiments, in the present embodiment, described main frame smoothing roll 8 is concordant with front pinching frame 1.When the workpiece 3 be clipped between top roll 2 and lower roll 4 is sent in main frame smoothing roll 8, do not have the dragsaw on position.
The speed of the speeds match host driven installation of described frequency-changing control system 5 accessory drive 6, the speed of drive unit 6 is lower than the speed of main frame smoothing roll 8.
When after main frame smoothing roll 8 nipped by bar, top roll 2 is not opened simultaneously, the head of workpiece 3 to nip in main frame smoothing roll 8 afterbody still in front pinch roll, because main frame smoothing roll 8 speed is a little more than the speed of top roll 2 and lower roll 4, now because the effect of freewheel clutch 7 causes front pinch roll servo-actuated and consistent with main frame smoothing roll 8 speed, freewheel clutch 7 will front pinch the actuating speed shielding of frame 1, be supplied to the opening time that top roll 2 is enough, thus solve due to top roll 2, lower roll 4 is asynchronous with main frame smoothing roll 8 speed and cause bar to rub the problem of hindering with the hands.
Described main frame smoothing roll 8 is connected with the host driven installation driving main frame smoothing roll 8.
Described host driven installation and drive unit 6 are oil cylinder.
Pinch in frame 1 before front pinch roll top roll 2 and lower roll 4 are arranged on, when workpiece 3 is sent in front pinch roll, top roll 2 action holding workpiece 3 under hydraulic oil cylinder driving, then lower roll 4 rotates under the drive of drive unit 6, is sent in main frame smoothing roll 8 by workpiece 3.During in front pinch roll feeding in main frame smoothing roll 8 of not nipping, freewheel clutch 7 in systems in which as transmission mechanism by power transmission to lower roll 4, simultaneously drive unit 6 under the control of frequency-changing control system 5 by the speed of top roll 2, lower roll 4 and main frame smoothing roll 8 speeds match and a little less than the speed of main frame smoothing roll 8.
The utility model utilizes a kind of feed system of beyond form, can ensure the surface smoothness of bar after rectifying when main frame and feed mechanism have speed difference.
When pinching frame 1 before bar is dialled in and being inner, feeding action is carried out in the motor rotation simultaneously of hydraulic cylinder action clamping bar.But, front pinch roll feeding speed and main frame smoothing roll 8 are stung material speed and can not be mated completely, so when main frame smoothing roll 8 nipped by bar, fore-clamp liquor charging cylinder pressure needs accurately to open, to prevent because front pinch roll is asynchronous with main frame smoothing roll 8 speed and cause bar to rub the generation of hindering phenomenon with the hands.First the feeding speed of front pinch roll is passed through frequency-changing control system 5 herein, make itself and main frame smoothing roll 8 speed close simultaneously a little less than main frame smoothing roll 8 speed as far as possible, in plant equipment, introduce the use of freewheel clutch 7 in addition.
During current pinch roll feeding, its speed can a little less than main frame smoothing roll 8 speed, and when bar is nipped, main frame smoothing roll 8 speed is higher, then can cause clutch override, and front pinch roll is servo-actuated.
Claims (7)
1. two-roll reeler override type pay-off, it is characterized in that: before comprising, pinch frame (1), pinch frame (1) inside before described and be respectively arranged with top roll (2) and lower roll (4) up and down, described lower roll (4) one end is connected with drive unit (6), is connected between drive unit (6) and lower roll (4) by freewheel clutch (7); Before pinch frame (1) feed direction and be provided with main frame smoothing roll (8), drive unit (6) is electrically connected with frequency-changing control system (5), and main frame smoothing roll (8) is electrically connected with frequency-changing control system (5).
2. two-roll reeler override type pay-off according to claim 1, it is characterized in that: described freewheel clutch (7) is roller-type overrunning clutch, described freewheel clutch (7) comprises inner ring (12) and outer ring (13), some band rollers (11) are provided with between inner ring (12) and outer ring (13), roller (11) presses be connected with the post (10) that pushes away be arranged on inner ring (12), described in push away on post (10) and be provided with spring (9).
3. two-roll reeler override type pay-off according to claim 2, it is characterized in that: the inner ring (12) of drive unit (6) and freewheel clutch (7) is by bolt connecing, and outer ring (13) bolt of lower roll (4) and freewheel clutch (7) is connecing.
4. two-roll reeler override type pay-off according to claim 1, is characterized in that: described main frame smoothing roll (8) is concordant with front pinching frame (1).
5. two-roll reeler override type pay-off according to claim 1, is characterized in that: described main frame smoothing roll (8) is connected with the host driven installation driving main frame smoothing roll (8).
6. two-roll reeler override type pay-off according to claim 5, it is characterized in that: the speed of the speeds match host driven installation of described frequency-changing control system (5) accessory drive (6), the speed of drive unit (6) is lower than the speed of main frame smoothing roll (8).
7. two-roll reeler override type pay-off according to claim 5, is characterized in that: described host driven installation and drive unit (6) are as oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520561937.6U CN204866928U (en) | 2015-07-30 | 2015-07-30 | Two -roll reeler surmounts formula material feeding unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520561937.6U CN204866928U (en) | 2015-07-30 | 2015-07-30 | Two -roll reeler surmounts formula material feeding unit |
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| CN204866928U true CN204866928U (en) | 2015-12-16 |
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| CN201520561937.6U Active CN204866928U (en) | 2015-07-30 | 2015-07-30 | Two -roll reeler surmounts formula material feeding unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105013875A (en) * | 2015-07-30 | 2015-11-04 | 中国重型机械研究院股份公司 | Overrunning type feeding device for two-roller straightening machine |
| CN106848796A (en) * | 2016-12-28 | 2017-06-13 | 菏泽海诺知识产权服务有限公司 | A kind of seamless V-type trolley producing device and its rolling copper strips become V-type device |
-
2015
- 2015-07-30 CN CN201520561937.6U patent/CN204866928U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105013875A (en) * | 2015-07-30 | 2015-11-04 | 中国重型机械研究院股份公司 | Overrunning type feeding device for two-roller straightening machine |
| CN106848796A (en) * | 2016-12-28 | 2017-06-13 | 菏泽海诺知识产权服务有限公司 | A kind of seamless V-type trolley producing device and its rolling copper strips become V-type device |
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