CN212191019U - Steel bar straightening and cutting machine - Google Patents
Steel bar straightening and cutting machine Download PDFInfo
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- CN212191019U CN212191019U CN202020888434.0U CN202020888434U CN212191019U CN 212191019 U CN212191019 U CN 212191019U CN 202020888434 U CN202020888434 U CN 202020888434U CN 212191019 U CN212191019 U CN 212191019U
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Abstract
The utility model discloses a bar straightening cutter, it belongs to metal processing equipment technical field. It has solved the unable defect of adjusting concentrically of a straightening section of thick bamboo that traditional bar straightening cutter exists among the prior art. The main structure of the straightening machine comprises a frame, wherein a first conveying compression roller, a bearing seat, a straightening barrel, a second conveying compression roller and a cutting knife are sequentially arranged above the frame from left to right, two hollow shafts are respectively arranged at two ends of the straightening barrel, the hollow shafts are rotatably arranged on the bearing seat through bearings, a chain wheel is further arranged on the hollow shaft at the left side, and the chain wheel is in transmission connection with a speed reducing motor through a chain; the straightening barrel comprises a rotating barrel, end covers and a plurality of groups of straightening devices, the end covers are arranged on two sides of the rotating barrel, the straightening devices comprise horizontal straightening devices and vertical straightening devices, and the horizontal straightening devices and the vertical straightening devices are alternately arranged. The utility model discloses mainly used alignment cuts off the reinforcing bar.
Description
The technical field is as follows:
the utility model belongs to the technical field of the metal processing equipment, specifically speaking especially relates to a bar straightening cutter.
Background art:
the steel bar straightening and cutting machine is a common device in building engineering, is mainly used for straightening and cutting steel bars in a fixed length, and the cutting length can be customized according to the requirements of customers. Patent application No. 201120127378X discloses a bar straightening and cutting machine, it straightens through fixed a plurality of groups of gyro wheels, and the shortcoming that exists is that only can straighten the reinforcing bar in vertical direction, if left right direction crooked, then unable better straightening, and the clearance between every gyro wheel can't be adjusted, can't adapt to the reinforcing bar of different diameters.
The other scheme is adjusted through the alignment barrel that constantly rotates, but the clearance that the reinforcing bar passed through is adjusted through two upper and lower nuts, and the condition of decentraction appears in the clearance that the reinforcing bar passed through easily, and the crooked phenomenon can appear in the reinforcing bar after the regulation is accomplished, consequently adjusts the degree of difficulty great.
The invention content is as follows:
the to-be-solved technical problem of the utility model is to overcome prior art not enough, provide a bar straightening and cutting machine, its phenomenon that can not appear the deviation, higher axiality has been guaranteed to convenient the regulation.
In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:
a steel bar straightening and cutting machine comprises a rack, wherein a first conveying compression roller, a bearing seat, a straightening barrel, a second conveying compression roller and a cutting knife are sequentially arranged above the rack from left to right, two hollow shafts are respectively arranged at two ends of the straightening barrel, the hollow shafts are rotatably arranged on the bearing seat through bearings, a chain wheel is further arranged on the hollow shaft at the left side, and the chain wheel is in transmission connection with a speed reducing motor through a chain; the straightening barrel comprises a rotating barrel, end covers and a plurality of groups of straightening devices, the end covers are arranged on two sides of the rotating barrel, the straightening devices comprise horizontal straightening devices and vertical straightening devices, and the horizontal straightening devices and the vertical straightening devices are alternately arranged.
Preferably, the horizontal straightening device comprises a guide rod A and a lead screw A, the lead screw A is rotatably arranged on the rotary drum, two ends of the guide rod A are fixedly arranged in the rotary drum, an upper slide block A and a lower slide block A are arranged on the guide rod A, a left-handed thread is arranged at the upper end of the lead screw A, a nut A matched with the left-handed thread is arranged on the lead screw A, a right-handed thread is arranged at the lower end of the lead screw A, and a nut B matched with the right-handed thread is arranged on the lead screw A; an upper connecting rod is arranged between the nut A and the slider A at the upper end, a rotatable upper straightening roller is arranged on the upper connecting rod, a lower connecting rod is arranged between the nut B and the slider A at the lower end, and a rotatable lower straightening roller is arranged on the lower connecting rod.
Preferably, the vertical straightening device comprises a screw rod B and a guide rod B, the screw rod B is rotatably arranged on the rotary drum, two ends of the guide rod B are fixedly arranged in the rotary drum, the guide rod B is provided with a left slide block B and a right slide block B, the left end of the screw rod B is provided with a left-handed thread, the screw rod B is provided with a nut C matched with the left-handed thread, the lower end of the screw rod B is provided with a right-handed thread, and the screw rod B is provided with a nut D matched with the right-handed thread; a left connecting rod is arranged between the nut C and the slider B at the left end, a rotatable left straightening roller is arranged on the left connecting rod, a right connecting rod is arranged between the nut D and the slider B at the right end, and a rotatable right straightening roller is arranged on the right connecting rod.
Preferably, one end of the screw rod A extending out of the rotary drum is provided with a handle A.
Preferably, one end of the screw rod B extending out of the rotary drum is provided with a handle B.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model can adjust the distance between the upper straightening roller and the lower straightening roller and the distance between the right straightening roller and the left straightening roller by rotating the handle A and the handle B, and control the gap for the steel bar to pass on the same horizontal straight line, thereby ensuring the higher straightening degree of the steel bar;
2. the two ends of the screw rod A and the screw rod B are respectively provided with left-handed threads and right-handed threads, so that when the handle A and the handle B are rotated, the nut A and the nut B and the nut C and the nut D move in the same direction or in the opposite direction, the upper straightening roller and the lower straightening roller and the right straightening roller and the left straightening roller move in the same direction or in the opposite direction, the phenomenon of deviation cannot occur, the adjustment is convenient, and the higher coaxiality is ensured;
3. through adjusting the distance between the upper straightening roller and the lower straightening roller and the distance between the right straightening roller and the left straightening roller, the width of the steel bar is gradually tightened, and the phenomenon of locking of the steel bar due to large curvature at the beginning can be avoided.
Description of the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the middle straightening barrel of the present invention;
fig. 3 is a left side view of the middle straightening barrel of the present invention;
fig. 4 is a right side view of the middle straightening barrel of the present invention.
In the figure: 1. a frame; 2. a reduction motor; 3. a first transfer nip roller; 4. a sprocket; 5. a bearing seat; 6. a straightening cylinder; 7. reinforcing steel bars; 8. a cutting knife; 9. a material bearing frame; 10. a hollow shaft; 11. a handle A; 12. a guide rod A; 13. a slide block A; 14. downward regulating a straightening roller; 15. a handle B; 16. a lead screw B; 17. a guide rod B; 18. a slide block B; 19. a right straightening roller; 20. a right connecting rod; 21. a lead screw A; 22. left-handed threads; 23. a nut A; 24. a nut B; 25. right-hand threads; 26. an upper connecting rod; 27. a nut C; 28. a second transfer nip roller; 29. a rotating drum; 30. an end cap; 31. an upper straightening roller; 32. a lower connecting rod; 33. a nut D; 34. a left straightening roll; 35. a left connecting rod.
The specific implementation mode is as follows:
the present invention will be further described with reference to the following specific embodiments and accompanying drawings.
Example (b):
as shown in fig. 1-4, a steel bar straightening and cutting machine comprises a frame 1, wherein a first transmission compression roller 3, a bearing seat 5, a straightening barrel 6, a second transmission compression roller 28 and a cutting knife 8 are sequentially arranged above the frame 1 from left to right, a motor is in transmission connection with the first transmission compression roller 3 and the second transmission compression roller 28 through a speed reducer to provide power for a steel bar when the steel bar advances, two hollow shafts 10 are respectively arranged at two ends of the straightening barrel 6, the hollow shafts 10 are rotatably arranged on the bearing seat 5 through bearings, a chain wheel 4 is further arranged on the left hollow shaft 10, and the chain wheel 4 is in transmission connection with a speed reduction motor 2 through a chain; the straightening barrel 6 comprises a rotating barrel 29, end covers 30 arranged on two sides of the rotating barrel 29 and a plurality of groups of straightening devices, wherein each straightening device comprises a horizontal straightening device and a vertical straightening device, and the horizontal straightening devices and the vertical straightening devices are alternately arranged. The two hollow shafts 10 are respectively mounted on two end covers 30.
The horizontal straightening device comprises a guide rod A12 and a lead screw A21, the lead screw A21 is rotatably arranged on the rotary drum 29, two ends of the guide rod A12 are fixedly arranged in the rotary drum 29, an upper sliding block A13 and a lower sliding block A13 are arranged on the guide rod A12, a left-handed thread 22 is arranged at the upper end of the lead screw A21, a nut A23 matched with the left-handed thread 22 is arranged on the lead screw A21, a right-handed thread 25 is arranged at the lower end of the lead screw A21, and a nut B24 matched with the right-handed thread 25 is arranged on the lead; an upper connecting rod 26 is arranged between the nut A23 and the slider A13 at the upper end, a rotatable upper straightening roller 31 is arranged on the upper connecting rod 26, a lower connecting rod 32 is arranged between the nut B24 and the slider A13 at the lower end, and a rotatable lower straightening roller 14 is arranged on the lower connecting rod 32. The distance between the upper straightening roller 31 and the lower straightening roller 14 is slightly larger than the diameter of the steel bar 7, the sliding block A13 and the guide rod A12 are in interference fit, and the minimum interference is equal to zero; and the weight of the nut A23 is far greater than that of the sliding block A13, and the weight of the nut B24 is far greater than that of the sliding block A13, so that the phenomenon that one side is high and the other side is low can be avoided.
The vertical straightening device comprises a lead screw B16 and a guide rod B17, the lead screw B16 is rotatably arranged on the rotary drum 29, two ends of the guide rod B17 are fixedly arranged in the rotary drum 29, a left sliding block B18 and a right sliding block B18 are arranged on the guide rod B17, a left-handed thread 22 is arranged at the left end of the lead screw B16, a nut C27 matched with the left-handed thread 22 is arranged on the lead screw B16, a right-handed thread 25 is arranged at the lower end of the lead screw B16, and a nut D33 matched with the right-handed thread 25 is arranged on the lead screw; a left connecting rod 35 is arranged between the nut C27 and the slider B18 at the left end, a rotatable left straightening roller 34 is arranged on the left connecting rod 35, a right connecting rod 20 is arranged between the nut D33 and the slider B18 at the right end, and a rotatable right straightening roller 19 is arranged on the right connecting rod 20. The distance between the right straightening roller 19 and the left straightening roller 34 is slightly larger than the diameter of the steel bar 7, and the guide rod B17 and the slide block B18 are in interference fit, and the minimum interference is equal to zero.
A handle A11 is arranged at one end of the lead screw A21 extending out of the rotary drum 29; one end of the lead screw B16 extending out of the rotary drum 29 is provided with a handle B15. The right side of frame 1 is equipped with and holds work or material rest 9, holds work or material rest 9 and can hold up reinforcing bar 7 and prevent to cut the in-process and take place the dislocation.
The utility model discloses a theory of operation that the installation was used does:
before work, a horizontal straightening device and a vertical straightening device are adjusted, because the upper part and the lower part of the guide rod A12 are the left-handed thread 22 and the right-handed thread 25, when the handle A11 is rotated, the nut A23 and the nut B24 move in the same direction or opposite directions, namely, are simultaneously far away from or close to the axis with the reinforcing steel bar 7 as the center, so that the phenomenon of deviation between the upper straightening roller 31 and the lower straightening roller 14 cannot occur, the adjustment is convenient, and the coaxiality is high. Similarly, the handle B15, the handle A11 and the handle B15 are sequentially adjusted from left to right, so that the centers between the right straightening roller 19 and the left straightening roller 34, between the upper straightening roller 31 and the lower straightening roller 14 and between the right straightening roller 19 and the left straightening roller 34 are on the same straight line.
Another installation and use method is to sequentially reduce the distance between the upper straightening roller 31 and the lower straightening roller 14 and the distance between the right straightening roller 19 and the left straightening roller 34, gradually tighten the passing width of the reinforcing steel bar 7, and avoid the phenomenon of locking of the reinforcing steel bar 7 due to large curvature at the beginning.
After the installation, the speed reducing motor 2 is started, the reinforcing steel bars 7 are continuously conveyed rightwards through the first conveying press roller 3 and the second conveying press roller 28, the speed reducing motor 2 transmits force to the hollow shaft 10 through a chain and a chain wheel 4, the hollow shaft 10 drives the horizontal straightening device and the vertical straightening device in the rotary drum 29 to rotate, the reinforcing steel bars 7 are limited to move in the horizontal direction through the upper straightening roller 31 and the lower straightening roller 14 in the horizontal straightening device, the reinforcing steel bars 7 are limited to move in the vertical direction through the right straightening roller 19 and the left straightening roller 34 in the vertical straightening device, the reinforcing steel bars 7 are continuously moved rightwards and straightened through the continuous rotation of a plurality of groups of horizontal straightening devices and vertical straightening devices, and finally the reinforcing steel bars 7 with fixed lengths are cut off through the cutting knife 8.
Claims (5)
1. The utility model provides a bar straightening cutter, includes frame (1), frame (1) top from left to right is equipped with first conveying compression roller (3), bearing frame (5), alignment section of thick bamboo (6), second conveying compression roller (28) and cutting knife (8) in proper order, its characterized in that: two ends of the straightening barrel (6) are respectively provided with a hollow shaft (10), the hollow shafts (10) are rotatably arranged on the bearing seats (5) through bearings, the left hollow shaft (10) is also provided with a chain wheel (4), and the chain wheel (4) is in transmission connection with the speed reducing motor (2) through a chain; the straightening barrel (6) comprises a rotating barrel (29), end covers (30) arranged on two sides of the rotating barrel (29) and a plurality of groups of straightening devices, wherein each straightening device comprises a horizontal straightening device and a vertical straightening device, and the horizontal straightening devices and the vertical straightening devices are alternately arranged.
2. A bar straightening and cutting machine according to claim 1, wherein: the horizontal straightening device comprises a guide rod A (12) and a lead screw A (21), the lead screw A (21) is rotatably arranged on a rotary drum (29), two ends of the guide rod A (12) are fixedly arranged in the rotary drum (29), an upper sliding block A (13) and a lower sliding block A (13) are arranged on the guide rod A (12), a left-handed thread (22) is arranged at the upper end of the lead screw A (21), a nut A (23) matched with the left-handed thread (22) is arranged on the lead screw A (21), a right-handed thread (25) is arranged at the lower end of the lead screw A, and a nut B (24) matched with the right-handed thread (25) is arranged on the lead screw A (; an upper connecting rod (26) is arranged between the nut A (23) and the slider A (13) at the upper end, a rotatable upper straightening roller (31) is arranged on the upper connecting rod (26), a lower connecting rod (32) is arranged between the nut B (24) and the slider A (13) at the lower end, and a rotatable lower straightening roller (14) is arranged on the lower connecting rod (32).
3. A bar straightening and cutting machine according to claim 1 or 2, wherein: the vertical straightening device comprises a lead screw B (16) and a guide rod B (17), the lead screw B (16) is rotatably arranged on a rotary drum (29), two ends of the guide rod B (17) are fixedly arranged in the rotary drum (29), a left sliding block B (18) and a right sliding block B (18) are arranged on the guide rod B (17), a left-handed thread (22) is arranged at the left end of the lead screw B (16), a nut C (27) matched with the left-handed thread (22) is arranged on the lead screw B (16), a right-handed thread (25) is arranged at the lower end of the lead screw B, and a nut D (33) matched with the right-handed thread (25) is arranged on the lead screw B (16; a left connecting rod (35) is arranged between the nut C (27) and the slider B (18) at the left end, a rotatable left straightening roller (34) is arranged on the left connecting rod (35), a right connecting rod (20) is arranged between the nut D (33) and the slider B (18) at the right end, and a rotatable right straightening roller (19) is arranged on the right connecting rod (20).
4. A bar straightening and cutting machine according to claim 2, wherein: one end of the screw rod A (21) extending out of the rotary drum (29) is provided with a handle A (11).
5. A bar straightening and cutting machine according to claim 3, wherein: and a handle B (15) is arranged at one end of the screw rod B (16) extending out of the rotary drum (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020888434.0U CN212191019U (en) | 2020-05-22 | 2020-05-22 | Steel bar straightening and cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020888434.0U CN212191019U (en) | 2020-05-22 | 2020-05-22 | Steel bar straightening and cutting machine |
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| Publication Number | Publication Date |
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| CN212191019U true CN212191019U (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020888434.0U Active CN212191019U (en) | 2020-05-22 | 2020-05-22 | Steel bar straightening and cutting machine |
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| CN (1) | CN212191019U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112828201A (en) * | 2020-12-31 | 2021-05-25 | 南京航空航天大学 | Automatic cable straightening high-precision cutting-off equipment and working method thereof |
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2020
- 2020-05-22 CN CN202020888434.0U patent/CN212191019U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112828201A (en) * | 2020-12-31 | 2021-05-25 | 南京航空航天大学 | Automatic cable straightening high-precision cutting-off equipment and working method thereof |
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