CN113857304A - High-precision three-shaft plate rolling machine capable of preventing dislocation - Google Patents
High-precision three-shaft plate rolling machine capable of preventing dislocation Download PDFInfo
- Publication number
- CN113857304A CN113857304A CN202111054442.0A CN202111054442A CN113857304A CN 113857304 A CN113857304 A CN 113857304A CN 202111054442 A CN202111054442 A CN 202111054442A CN 113857304 A CN113857304 A CN 113857304A
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- roller
- end cover
- dislocation
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- movable block
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- 238000005096 rolling process Methods 0.000 title abstract description 43
- 238000005452 bending Methods 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 10
- 239000002699 waste material Substances 0.000 abstract description 5
- 238000003466 welding Methods 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 4
- 238000013459 approach Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005242 forging Methods 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
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/14—Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/04—Movable or exchangeable mountings for tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention relates to the technical field of steel processing, and discloses a dislocation-preventing high-precision three-shaft plate bending machine which comprises a roller shaft support, wherein a roller shaft end cover is movably connected in the middle of the roller shaft support, a linkage belt is movably connected to the outer side of the roller shaft end cover, an inner cavity air chamber is formed in the middle of the roller shaft end cover, a movable roller set is movably connected to one side of the roller shaft end cover, and inner cavity pistons are fixedly connected to two ends of the movable roller set. According to the invention, the rotation speed difference is generated by controlling the rotation speed of the end covers at the two ends of the movable roller group by utilizing the difference generated by extruding the two ends of the movable roller group when the rolled plate enters the movable roller group, so that the offset rolled plate firstly enters one side of the roller shaft group to be decelerated, after the rolled plate at the other side is rolled to the same position, the quantity of the pushing movable roller groups at the two sides of the rolled plate is consistent, and the rotation speeds of the end covers of the roller shafts at the two sides are recovered to be the same, thereby realizing automatic centering of the offset rolled plate in the process of rolling, and avoiding the dislocation of welding opposite sides after the rolling is formed and generating waste parts.
Description
Technical Field
The invention relates to the technical field of steel processing, in particular to a dislocation-preventing high-precision three-shaft plate bending machine.
Background
The plate bending machine is a forging and pressing mechanical device which rotates a working roller through external force such as hydraulic pressure, mechanical force and the like to manufacture workpieces such as cylinders, circular arcs or cones.
When an upper roll shaft and two lower roll shafts of the existing plate rolling machine are used for bending a plate, most of the upper roll shafts and the two lower roll shafts adopt a roll shaft with a larger diameter to roll the plate, and when a workpiece with a diameter smaller than that of a working roll needs to be rolled, the workpiece needs to be sequentially and gradually bent from a large-diameter roll shaft to a small-diameter roll shaft on the plate rolling machine with the roll shafts with different diameters until the plate rolling workpiece with the required forming diameter is obtained, a plurality of plate rolling machines or the roll shafts with different diameters are required to be used for working, and the plate rolling steps are complicated and not beneficial to operation; and at the in-process of edge rolling, require panel pan feeding angle and the absolute perpendicular of roller direction, if during the feeding one corner gets into the working roll earlier and takes place the skew, can make the drum welding limit after the roll forming take place the dislocation, be unfavorable for subsequent weldment work to cause useless, and current plate bending machine is at the in-process of edge rolling, and panel in case the skew gets into between the roller just unable adjustment, causes the waste material rate of edge rolling higher, causes economic loss.
Disclosure of Invention
Aiming at the defects of the existing plate rolling machine in the use process in the background technology, the invention provides the anti-dislocation high-precision three-axis plate rolling machine which has the advantages of dislocation prevention and easy diameter adjustment, and solves the technical problems of dislocation of finished products, complicated rolling steps of small-diameter workpieces and the like caused by deviation in the process of rolling and feeding in the background technology.
The invention provides the following technical scheme: the utility model provides a high accuracy triaxial veneer reeling machine of dislocation prevention, includes the roller support, the middle swing joint of roller support has the roller end cover, the outside swing joint of roller end cover has the interlock area, the inner chamber air chamber has been seted up to the centre of roller end cover, one side swing joint of roller end cover has movable roller set, the both ends fixedly connected with inner chamber piston of activity roller set, the middle swing joint of roller end cover has the movable block, the outside of roller end cover is equipped with the thread groove, and has the regulation inner cup through thread groove threaded connection, the central point of roller support puts and is equipped with the adjustment tank, the bottom fixed mounting of roller end cover has fixed roller, the middle swing joint of fixed roller and activity roller set has the book board.
Preferably, the inner cavity air chambers are uniformly distributed on the outer ring of the roll shaft end cover in an annular manner, and the distribution angles of the inner cavity air chambers are all directed to the circle center of the roll shaft end cover.
Preferably, the diameter of the movable roller group is smaller than the width of the inner cavity air chamber.
Preferably, the movable block is composed of a horizontal section and a vertical section which are fixedly connected, the whole movable block is of a cross structure, the vertical section of the movable block is magnetic, and the end face of the adjusting inner cover is magnetic and has the same polarity with the vertical section of the movable block.
Preferably, the diameter of the adjusting groove is consistent with the diameter of the horizontal section of the movable block, and a resistance surface with a large friction coefficient is arranged on the inner surface of the adjusting groove.
Preferably, the inner cavity air chambers in the roll shaft end cover are converged at the circle center, and the inner cavity air chambers except the non-converged section at the circle center are not communicated with each other.
The invention has the following beneficial effects:
1. according to the invention, the rotation speed difference is generated by controlling the rotation speed of the end covers at the two ends of the movable roller group by utilizing the difference generated by extruding the two ends of the movable roller group when the rolled plate enters the movable roller group, so that the offset rolled plate firstly enters one side of the roller shaft group to be decelerated, after the rolled plate at the other side is rolled to the same position, the quantity of the pushing movable roller groups at the two sides of the rolled plate is consistent, and the rotation speeds of the end covers of the roller shafts at the two sides are recovered to be the same, thereby realizing automatic centering of the offset rolled plate in the process of rolling, and avoiding the dislocation of welding opposite sides after the rolling is formed and generating waste parts.
2. According to the invention, the traditional large-diameter forming roll shaft is adjusted into the movable roll group capable of being movably changed, when a workpiece with a small forming diameter is processed, only the distance between the inner cover and the movable block needs to be gradually adjusted, so that the movable roll group can be pushed to the circle center in the pressing process of the rolling plate to be close to the circle center, the purpose of reducing the diameter of the forming roll shaft is realized, the complex steps caused by changing roll shafts with different diameters when a small-diameter workpiece is processed are avoided, and the small-diameter workpiece is more economical and rapid to manufacture.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view showing the arrangement of the movable roller set of the present invention;
FIG. 3 is an enlarged view of a portion of the structure shown at B in FIG. 1 according to the present invention;
FIG. 4 is a schematic view of a diameter adjustment structure according to the present invention.
In the figure: 1. a roll shaft bracket; 2. a roll shaft end cover; 3. a linkage belt; 4. an inner chamber air chamber; 5. a movable roller set; 6. an inner cavity piston; 7. a movable block; 8. a thread groove; 9. adjusting the inner cover; 10. an adjustment groove; 11. fixing the roll shaft; 12. and (7) rolling the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a dislocation-preventing high-precision three-axis plate rolling machine 12 comprises a roll shaft support 1, a roll shaft end cover 2 is movably connected in the middle of the roll shaft support 1, a linkage belt 3 is movably connected on the outer side of the roll shaft end cover 2, an inner cavity air chamber 4 is arranged in the middle of the roll shaft end cover 2, a movable roll set 5 is movably connected on one side of the roll shaft end cover 2, inner cavity pistons 6 are fixedly connected on the two ends of the movable roll set 5, a movable block 7 is movably connected in the middle of the roll shaft end cover 2, a thread groove 8 is arranged on the outer side of the roll shaft end cover 2, an adjusting inner cover 9 is connected with the center of the roll shaft bracket 1 through a thread groove 8, an adjusting groove 10 is arranged at the center of the roll shaft bracket 1, the diameter of the adjusting groove 10 is consistent with the diameter of the horizontal section of the movable block 7, a resistance surface with a larger friction coefficient is arranged on the inner surface of the adjusting groove 10, a fixed roll shaft 11 is fixedly arranged at the bottom end of the roll shaft end cover 2, and a rolling plate 12 is movably connected between the fixed roll shaft 11 and the movable roll group 5;
referring to fig. 2, the inner chamber air chambers 4 are uniformly distributed in an annular shape on the outer ring of the roller shaft cover 2, and the distribution angles of the inner chamber air chambers 4 are all directions pointing to the circle center of the roller shaft cover 2, so that all the inner chamber pistons 6 connected with the movable roller sets 5 all point to the circle center of the roller shaft cover 2, the diameter of the movable roller sets 5 is smaller than the width of the inner chamber air chambers 4, so that the movable roller sets 5 can freely move in the inner chamber air chambers 4, and the diameter of the whole roller shaft can be adjusted by moving the movable roller sets 5 to the distance from the circle center of the roller shaft cover 2;
referring to fig. 3, an inner cavity air chamber 4 inside a roller shaft end cover 2 is converged at the center of a circle of the roller shaft end cover 2, and pushes an inner cavity piston 6 to move to the center of a circle after a movable roller group 5 approaches the center of a circle, so that the air pressure at the center of a circle is increased, a movable block 7 is pushed to move to the right, the movable block 7 is formed by fixedly connecting a horizontal section and a vertical section, the whole is in a cross-shaped structure, the vertical section of the movable block 7 has magnetism, the end surface of an adjusting inner cover 9 has magnetism with the same polarity as the vertical section of the movable block 7, so that the movable block 7 is ensured to be far away from the adjusting inner cover 9 by a repulsive force, the movable roller group 5 is pushed to a state with the largest diameter, when a rolling plate 12 is rolled, if an angle of the rolling plate 12 is displaced, namely, one side of the movable roller group 5 is pushed upwards by the thickness of the rolling plate 12, the inner cavity piston 6 is pushed to approach the center of a circle, the air chamber 4 in the inner cavity is pushed to overcome the repulsive force to move to the right, the right side of a small section of movable block 7 extends into the adjusting groove 10 to generate friction deceleration, and in the process of continuous feeding, the small section of movable block deviates and enters a rolling plate 12 on one side between the rolling rollers in advance, the number of the movable roller sets 5 pushed towards the direction of the circle center is more than that pushed towards the other side, so that the resistance of the movable block 7 on the deviation side moving outwards and extending into the adjusting groove 10 is larger, the feeding rotating speed of the deviation side is reduced until the feeding lengths on the two sides are consistent, the friction resistance born by the rotation of the two sides is consistent when the movable roller sets 5 are pushed towards the direction of the circle center, and the roller shaft end covers 2 on the two sides of the movable roller sets 5 restore to the same speed to rotate for feeding, thereby avoiding the problem that a finally discharged winding drum is dislocated to form waste materials due to the deviation of the rolling plate 12 in the feeding process;
referring to fig. 4, an adjusting inner cap 9 is connected with a roll shaft end cover 2 through a thread groove 8, when a rolling plate 12 with a small forming diameter is curled, the adjusting inner cap 9 is adjusted to be tightly screwed into the roll shaft end cover 2, at the moment, a movable block 7 moves towards the left side under the action of magnetic repulsion force of the adjusting inner cap 9, an inner cavity piston 6 is pushed to disperse towards the periphery away from the center of a circle of the roll shaft end cover 2, at the moment, a movable roller group 5 is far away from the center of a circle, the diameter of the formed roll shaft is larger, the rolling plate 12 to be curled can be preliminarily curled, after the preliminary curling, the adjusting inner cap 9 is rotated outwards, a rotary scale and a fixing device after the rotary stop can be correspondingly arranged to improve the accuracy and the stability, at the moment, the magnetic repulsion force of the adjusting inner cap 9 is weakened by the movable block 7, when the rolling plate 12 is pressed, the rolling plate 12 can press the movable roller group 5 to move towards the center of a set distance, therefore, the diameter of the roll shaft is reduced, the coiled plate 12 is subjected to secondary forming of reducing the coiled diameter, the work pieces with the required diameter are finally coiled and formed, the requirements of multiple plate coiling machines and the complexity of replacing the plate coiling machines when the work pieces with smaller diameters are coiled are avoided, the cost of coiling the work pieces with small diameters is reduced, and the coiling steps are simplified.
The using method of the invention has the following working principle:
when the device is used, the position of the inner cover 9 is adjusted, the distance between the movable roller group 5 and the circle center of the roller shaft end cover 2 is matched with the diameter of a required workpiece, the rolling plate 12 is placed below the movable roller group 5 and above the fixed roller shaft 11, the motor is started to drive the linkage belt 3 to enable the roller shaft end cover 2 to rotate, the rolling plate 12 enters the middle position of the movable roller group 5 and the fixed roller shaft 11 under the driving of the movable roller group 5 rotating around the central axis of the roller shaft end cover 2 and keeps clamping, two sides of the movable roller group 5 rotate at the same speed to drive the rolling plate 12 to advance along the tangential direction of a curling cambered surface, if the rolling plate 12 deviates in the discharging process, one side which firstly enters the bottom end of the movable roller group 5 firstly presses the movable roller group 5 to move towards the inner side of the circle center of the roller shaft end cover 2, so that gas in the inner cavity gas chamber 4 at the circle center of the roller shaft end cover 2 is pressed, and the movable block 7 is pushed to overcome the resistance of the inner cover 9 to move towards the outer side, the length of the horizontal section outside the movable block 7 extending into the adjusting groove 10 is larger than the length of the movable block 7 outside the adjusting groove 10 on the other side, the rotating speed of the roll shaft end covers 2 on the offset side is reduced by larger friction resistance, the number of the movable roll groups 5 extruded to the center by the roll plates 12 on the two sides is the same after the lengths of the roll plates 12 extending into the two sides of the movable roll groups 5 are consistent, and the rotating speeds of the roll shaft end covers 2 on the two sides are recovered to be consistent, so that the roll plates 12 are driven to advance along the tangential direction of the curled arc surface again, and the problem of waste parts caused by dislocation of the welding edges of the winding drum after the roll plates 12 are formed due to discharging offset is avoided; when a rolling plate 12 with a small rolling forming diameter is required to be rolled, the length of the inner cover 9 extending into the roller shaft end cover 2 is required to be adjusted step by step and fixedly adjusted, when the rolling plate 12 is pressed between the movable roller group 5 and the fixed roller shaft 11, the distance range of the movable block 7 moving outwards is increased, so that the rolling plate 12 presses the movable roller group 5 upwards to increase the distance close to the circle center, the diameter of the roller shaft enclosed by the movable roller group 5 is reduced, the reduction of the rolling diameter is realized step by step, when a workpiece with a small rolling diameter is avoided, and complicated steps caused by frequent replacement of working rollers with different diameters or replacement of different rolling machines are avoided.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high accuracy triaxial veneer reeling machine of dislocation prevention, includes roller bearing frame (1), the middle swing joint of roller bearing frame (1) has roller end cover (2), the outside swing joint of roller end cover (2) has interlock area (3), its characterized in that: inner chamber air chamber (4) have been seted up to the centre of roller end cover (2), one side swing joint of roller end cover (2) has movable roller set (5), both ends fixedly connected with inner chamber piston (6) of activity roller set (5), the middle swing joint of roller end cover (2) has movable block (7), the outside of roller end cover (2) is equipped with thread groove (8), and has regulation inner cup (9) through thread groove (8) threaded connection, the central point of roller support (1) puts and is equipped with adjustment tank (10), the bottom fixed mounting of roller end cover (2) has fixed roller (11), fixed roller (11) have with the middle swing joint of activity roller set (5) and roll up board (12).
2. The dislocation-preventing high-precision three-axis plate bending machine as claimed in claim 1, wherein: the inner cavity air chamber (4) is annularly and uniformly distributed on the outer ring of the roller shaft end cover (2), and the distribution angle of the inner cavity air chamber (4) points to the direction of the circle center of the roller shaft end cover (2).
3. The dislocation-preventing high-precision three-axis plate bending machine as claimed in claim 1, wherein: the diameter of the movable roller group (5) is smaller than the width of the inner cavity air chamber (4).
4. The dislocation-preventing high-precision three-axis plate bending machine as claimed in claim 1, wherein: the movable block (7) is composed of a horizontal section and a vertical section which are fixedly connected, the whole movable block is of a cross structure, the vertical section of the movable block (7) is magnetic, and the end face of the adjusting inner cover (9) is magnetic and has the same polarity as the vertical section of the movable block (7).
5. The dislocation-preventing high-precision three-axis plate bending machine as claimed in claim 1, wherein: the diameter of the adjusting groove (10) is consistent with the diameter of the horizontal section of the movable block (7), and a resistance surface with a large friction coefficient is arranged on the inner surface of the adjusting groove (10).
6. The dislocation-preventing high-precision three-axis plate bending machine as claimed in claim 1, wherein: the inner cavity air chambers (4) in the roll shaft end covers (2) are converged at the circle center, and the inner cavity air chambers (4) at the sections which are not converged except the circle center are not communicated with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111054442.0A CN113857304A (en) | 2021-09-09 | 2021-09-09 | High-precision three-shaft plate rolling machine capable of preventing dislocation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111054442.0A CN113857304A (en) | 2021-09-09 | 2021-09-09 | High-precision three-shaft plate rolling machine capable of preventing dislocation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113857304A true CN113857304A (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111054442.0A Pending CN113857304A (en) | 2021-09-09 | 2021-09-09 | High-precision three-shaft plate rolling machine capable of preventing dislocation |
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| CN (1) | CN113857304A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114951371A (en) * | 2022-06-02 | 2022-08-30 | 江苏泽海机械科技有限公司 | Plate bending machine capable of automatically stopping and cutting off control |
-
2021
- 2021-09-09 CN CN202111054442.0A patent/CN113857304A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114951371A (en) * | 2022-06-02 | 2022-08-30 | 江苏泽海机械科技有限公司 | Plate bending machine capable of automatically stopping and cutting off control |
| CN114951371B (en) * | 2022-06-02 | 2023-10-31 | 江苏泽海机械科技有限公司 | Automatic stop and cut-off control plate bending machine |
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Application publication date: 20211231 |
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