CN214022770U - Symmetrical three-roller plate bending machine with lower working roller capable of vertically lifting - Google Patents
Symmetrical three-roller plate bending machine with lower working roller capable of vertically lifting Download PDFInfo
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- CN214022770U CN214022770U CN202022955629.5U CN202022955629U CN214022770U CN 214022770 U CN214022770 U CN 214022770U CN 202022955629 U CN202022955629 U CN 202022955629U CN 214022770 U CN214022770 U CN 214022770U
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Abstract
The utility model relates to a symmetrical three-roller plate bending machine with a vertically lifting lower working roller, belonging to the technical field of three-roller plate bending machines; the hydraulic lifting device comprises a transmission system, a rack, an upper working roll and a lower working roll, wherein the transmission system comprises a hydraulic motor and a speed reducer which are fixed on a base; the dumping bearing body is hinged with the base through a dumping oil cylinder; the two ends of the lower working roll are rotatably connected to the lower frame through bearings, and the lower frame is arranged between the front frame and the rear frame and can vertically lift; a lower working roll driving oil cylinder is arranged on the base and drives the lower frame to vertically lift; the problem of low working efficiency of the existing three-roller plate bending machine with the upper working roller lifting is solved, and the assembly process is improved.
Description
Technical Field
The utility model belongs to the technical field of the three-roller veneer reeling machine, concretely relates to but symmetry formula three-roller veneer reeling machine of lower working roll vertical lift.
Background
At present, the symmetrical three-roller plate bending machine usually adopts an upper working roller to make vertical lifting movement, and a lower roller to make rotary movement as main transmission, as shown in fig. 3. After the circular cylinder workpiece is rolled, the tilting bearing body needs a large operation space due to the fact that the tilting bearing body is operated to tilt, when the workpiece is taken out at each time, the upper working roll is required to be lifted to a limit position, the tilting bearing body can be operated to tilt and take out the workpiece, and then the upper working roll is controlled to descend to prepare for the next rolling operation. Because the lifting speed of the working roll is slow and the lifting distance is overlong each time, the working efficiency of the whole machine of the plate bending machine is greatly reduced.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes the defects of the prior art and provides a symmetrical three-roller plate bending machine with a lower working roller capable of vertically lifting; the problem of low work efficiency of the existing three-roller plate bending machine with an upper working roller lifting is solved.
In order to achieve the above purpose, the present invention is achieved by the following technical solutions.
A symmetrical three-roller plate bending machine with a vertically liftable lower working roller comprises a transmission system, a frame, an upper working roller, a lower working roller and a lower working roller driving oil cylinder; the transmission system comprises a hydraulic motor and a speed reducer, and the hydraulic motor and the speed reducer are fixed on the base through a fixing frame; the frame is fixedly arranged on the base and comprises a front frame and a rear frame, and the front frame and the rear frame are sequentially arranged on one side of the speed reducer, which is far away from the hydraulic motor; the upper end of the rear frame is hinged with a tilting bearing body through a pin shaft, an upper working roller is rotatably connected between the tilting bearing body and the front frame through a bearing, and one end of the upper working roller, which is far away from the tilting bearing body, is fixedly connected with an output shaft of the speed reducer; the dumping bearing body is hinged with the base through a dumping oil cylinder; the number of the lower working rollers is two, two ends of the lower working rollers are rotatably connected to the lower rack through bearings, guide blocks are arranged at two ends of the lower rack, vertical guide grooves are formed in the end faces, opposite to the rear rack, of the front rack, and the lower rack is arranged between the front rack and the rear rack through the mutual matching of the guide blocks and the guide grooves; and a lower working roll driving oil cylinder is arranged on the base, and a piston rod of the lower working roll driving oil cylinder is fixedly connected with the lower end surface of the lower rack.
Furthermore, the end face of one side of the dumping bearing body, which is far away from the front frame, is provided with a hinged seat, the hinged seat is hinged with the end part of a piston rod of the dumping oil cylinder through a pin shaft, and one end of the cylinder bottom of the dumping oil cylinder is hinged with the base.
Further, the axes of the lower working roll and the upper working roll are parallel.
Furthermore, the upper working roll is positioned at the upper end of the middle part of the two lower working rolls.
The utility model discloses produced beneficial effect for prior art does:
the utility model provides a technical scheme that symmetrical formula three-roller veneer reeling machine adopted the bottom work roll to go up and down, because it is in all the time and waits to empty the state to go up the work roll position motionless toppling over the bearing body, consequently at every turn the work piece system of rolling up accomplishes the back, does not need to go up the work roll and rises to extreme position again and just can operate to topple over the bearing body and empty, goes up the work roll and just can topple over the bearing body in the original position. And the lower working roll only needs to descend for a certain distance, so that the workpiece can be taken out after the lower working roll and the plate are loosened, the distance before descending is not needed, the time is greatly saved, and the working efficiency of the plate bending machine is greatly improved.
Compared with the prior plate bending machine, the structure is greatly simplified, and the whole assembly process of the plate bending machine is improved; and meanwhile, the overhaul cost of the equipment is reduced.
Drawings
The invention will be described in further detail with reference to the accompanying drawings:
fig. 1 is an overall front view of the present invention;
fig. 2 is a side view of the utility model in its entirety;
FIG. 3 is a front view of a prior art plate bending machine;
the hydraulic roll dumping device comprises a hydraulic motor 1, a speed reducer 2, a base 3, a front frame 4, a rear frame 5, a dumping bearing piece 6, an upper working roll 7, a dumping oil cylinder 8, a lower working roll 9, a lower frame 10 and a lower working roll driving oil cylinder 11.
Detailed Description
In order to make the technical problem, technical scheme and beneficial effect that the utility model will solve more clearly understand, combine embodiment and attached drawing, it is right to go on further detailed description the utility model discloses. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.
The structure of the existing symmetrical three-roller plate bending machine is shown in fig. 3, an upper working roller 7 is adopted to do vertical lifting motion, a lower working roller 9 is used as main transmission to do rotary motion, after a round barrel workpiece is rolled, as the tilting bearing body 6 is operated to tilt, a larger operation space is needed, when the workpiece is taken out each time, the upper working roller 7 is required to be lifted to an extreme position, the tilting bearing body 6 can be operated to tilt and take out the workpiece, and then the upper working roller 7 is controlled to descend to prepare for the next rolling operation. Because the lifting speed of the working roll is slow and the lifting distance is overlong each time, the working efficiency of the whole machine of the plate bending machine is greatly reduced.
As shown in figures 1 and 2, the utility model provides a symmetrical three-roller plate bending machine with a lower working roller capable of vertically lifting, which comprises a transmission system, a frame, an upper working roller 7, a lower working roller 9 and a lower working roller driving oil cylinder 11.
The transmission system comprises a hydraulic motor 1 and a speed reducer 2, wherein the speed reducer 2 is arranged on an output shaft of the hydraulic motor 1, and the hydraulic motor 1 and the speed reducer 2 are fixed on a base 3 through a fixing frame. The frame is fixed set up in on the base 3, including preceding frame 4, after-frame 5, preceding frame 4 set up in one side that hydraulic motor 1 was kept away from to reduction gear 2, after-frame 5 sets up in one side that transmission system was kept away from to preceding frame 4. The upper end of the rear frame 5 is hinged with a dumping bearing body 6 through a pin shaft, the dumping bearing body 6 and the front frame 4 are provided with bearing seats, and the upper working roll 7 is rotatably connected in the bearing seats of the front frame 4 and the dumping bearing body 6 through a rolling bearing. One end of the upper working roll 7, which is far away from the dumping bearing body 6, is fixedly connected with an output shaft of the speed reducer 2, so that the hydraulic motor 1 can drive the upper working roll 7 to rotate together through the speed reducer 2.
The end face, far away from the front frame 4, of one side of the dumping bearing body 6 is provided with a hinged seat, the hinged seat is hinged to the end part of a piston rod of the dumping oil cylinder 5 through a pin shaft, and one end of the cylinder bottom of the dumping oil cylinder 5 is hinged to the base 3. When the dumping oil cylinder 8 contracts, the dumping bearing body 6 rotates towards one side far away from the front frame 4 around the hinge axis of the dumping oil cylinder, at the moment, a bearing seat on the dumping bearing body 6 is separated from the upper working roll 7, and the upper working roll 7 is in a cantilever state; when the dumping oil cylinder 8 stretches out again, the dumping bearing body 6 restores to the vertical state again, and the bearing on the dumping bearing body 6 contacts with the upper working roll 7 again to realize rolling connection.
The quantity of lower working roll 9 is two, and its both ends are passed through antifriction bearing and are rotated and connect on lower frame 10, and the both ends of lower frame 10 are provided with the guide block, are provided with vertical guide slot on preceding frame 4 and the rear frame 5 terminal surface in opposite directions, and the lower frame passes through mutually supporting of guide block and guide slot to be set up between preceding frame 4 and rear frame 5. The lower working roll 9 is parallel to the axis of the upper working roll 7, and the upper working roll 7 is positioned at the upper end of the middle part of the two lower working rolls 9. A lower working roll driving oil cylinder 11 is arranged on the base 3 at the lower end of the lower frame 9, the bottom of the lower working roll driving oil cylinder 11 is fixedly arranged on the base 3, and a piston rod of the lower working roll driving oil cylinder 11 is fixed with the lower end face of the lower frame 10.
The working principle of the utility model is that when the working is going to be carried out, the lower frame 10 is adjusted to the working height by extending the piston rod of the lower working roll driving oil cylinder 11, and the working gap is kept between the upper working roll 7 and the lower working roll 9. The hydraulic motor 1 is then activated and the upper work roll 7 starts to rotate, placing the edge of the workpiece in the gap between the upper work roll 7 and the lower work roll 9, and the workpiece is brought into a circular curled state around the upper work roll 7 by the interaction of the upper work roll 7 and the lower work roll 9. After the plate rolling operation is finished, a piston rod of a lower working roll driving oil cylinder 11 is operated to contract, a gap between an upper working roll 7 and a lower working roll 9 is enlarged, then a dumping oil cylinder 8 is started to contract, a dumping bearing body 6 and the upper working roll 7 are separated from each other, the upper working roll 7 is in a cantilever state with one end open, and a workpiece in a curled state can be directly taken down. After the workpiece is taken down, a piston rod of the tilting oil cylinder 8 is started to extend until the bearing on the tilting bearing body 6 is contacted and matched with the upper working roll 7 again. And ending one working cycle of the plate bending machine and waiting for the next working cycle.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. The utility model provides a but symmetry formula three rolls plate bending machine of lower working roll vertical lift which characterized in that: comprises a transmission system, a frame, an upper working roll (7), a lower working roll (9) and a lower working roll driving oil cylinder (11); the transmission system comprises a hydraulic motor (1) and a speed reducer (2), and the hydraulic motor (1) and the speed reducer (2) are fixed on the base (3) through a fixing frame; the frame is fixedly arranged on the base (3) and comprises a front frame (4) and a rear frame (5), and the front frame (4) and the rear frame (5) are sequentially arranged on one side of the speed reducer (2) far away from the hydraulic motor (1); the upper end of the rear frame (5) is hinged with a dumping bearing body (6) through a pin shaft, an upper working roller (7) is rotatably connected between the dumping bearing body (6) and the front frame (4) through a bearing, and one end, far away from the dumping bearing body (6), of the upper working roller (7) is fixedly connected with an output shaft of the speed reducer (2); the dumping bearing body (6) is hinged with the base (3) through a dumping oil cylinder (8); the number of the lower working rollers (9) is two, two ends of each lower working roller are rotatably connected to the lower rack (10) through bearings, guide blocks are arranged at two ends of the lower rack (10), vertical guide grooves are formed in the end faces, opposite to the front rack (4) and the rear rack (5), of the front rack (4), and the lower rack (10) is arranged between the front rack (4) and the rear rack (5) through the mutual matching of the guide blocks and the guide grooves; a lower working roll driving oil cylinder (11) is arranged on the base (3), and a piston rod of the lower working roll driving oil cylinder (11) is fixedly connected with the lower end face of the lower rack (10).
2. The symmetrical three-roller plate bending machine with the vertically liftable lower working roller as claimed in claim 1, wherein: the end face, far away from the front frame (4), of one side of the dumping bearing body (6) is provided with an articulated seat, the articulated seat is articulated with the end part of a piston rod of the dumping oil cylinder (8) through a pin shaft, and one end of the cylinder bottom of the dumping oil cylinder (8) is articulated with the base (3).
3. The symmetrical three-roller plate bending machine with the vertically liftable lower working roller as claimed in claim 1, wherein: the lower working roll (9) is parallel to the axis of the upper working roll (7).
4. The symmetrical three-roller plate bending machine with the vertically liftable lower working roller as claimed in claim 1, wherein: the upper working roll (7) is positioned at the upper end of the middle part of the two lower working rolls (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022955629.5U CN214022770U (en) | 2020-12-11 | 2020-12-11 | Symmetrical three-roller plate bending machine with lower working roller capable of vertically lifting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022955629.5U CN214022770U (en) | 2020-12-11 | 2020-12-11 | Symmetrical three-roller plate bending machine with lower working roller capable of vertically lifting |
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| Publication Number | Publication Date |
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| CN214022770U true CN214022770U (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022955629.5U Active CN214022770U (en) | 2020-12-11 | 2020-12-11 | Symmetrical three-roller plate bending machine with lower working roller capable of vertically lifting |
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| CN (1) | CN214022770U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115780594A (en) * | 2023-02-13 | 2023-03-14 | 南通市通州区金沙不锈钢制品有限公司 | Rolling machine for sheet metal processing |
-
2020
- 2020-12-11 CN CN202022955629.5U patent/CN214022770U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115780594A (en) * | 2023-02-13 | 2023-03-14 | 南通市通州区金沙不锈钢制品有限公司 | Rolling machine for sheet metal processing |
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