CN116197279A - Cold bending machine - Google Patents
Cold bending machine Download PDFInfo
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- CN116197279A CN116197279A CN202210984484.2A CN202210984484A CN116197279A CN 116197279 A CN116197279 A CN 116197279A CN 202210984484 A CN202210984484 A CN 202210984484A CN 116197279 A CN116197279 A CN 116197279A
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- semicircular arc
- driving
- guide device
- screw thread
- web
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- 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
- B21D7/00—Bending rods, profiles, or tubes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention relates to a cold bending machine. The invention comprises a large integral base, a driven push-pull roller device, a first driving roller device and a second driving roller device, wherein the first driving roller group, the second driving roller group and the driven push-pull roller group are fixedly arranged at the upper end of the large integral base.
Description
Technical Field
The invention relates to a cold bending machine.
Background
Most of steel bending machines used in China today bend along the rib plate plane of the H-shaped steel, the bending machines rarely bend along the radian of the vertical rib plane, the bending capability of the steel with the thickness of more than 500 cannot be met, the bending of the large H-shaped steel processed in the prior art adopts bending of 1 section and 1 section after heating, the bending quality is low, and the use standard can be met only by cutting off, welding and repairing in the middle.
Disclosure of Invention
The invention aims to provide a cold bending machine.
The invention adopts the following technical scheme for solving the technical problems:
the invention comprises an integral large base, a driven push-pull roller device, a first driving roller device and a second driving roller device, wherein the first driving roller group, the second driving roller group and the driven push-pull roller group are fixedly arranged at the upper end of the integral large base,
the driven push-pull roller device consists of a guide rail, a slide block, a push-pull driving motor reduction box, a spiral push-pull mechanism, a tailstock and a driven H steel locking guide device, wherein the guide rail is fixedly arranged at the upper end of the integral large base, the slide block is arranged in the guide rail, the slide block is provided with a driven H steel locking guide device fixing frame, the upper end and the lower end of the H steel locking guide device are respectively fixed on the driven H steel locking guide device fixing frame through a bearing and a bearing seat, the push-pull driving motor reduction box, the spiral push-pull mechanism and the tailstock are connected with the driven H steel locking guide device after being assembled,
the first driving roller device and the second driving roller device are symmetrically arranged and have the same structure,
the first driving roller device consists of a conical base, a driving wheel reduction gearbox and a driving H steel locking guide device, wherein the conical base is fixedly arranged at the upper end of the whole large base, the driving wheel reduction gearbox is arranged at the upper end of the conical base, the driving H steel locking guide device is arranged in the conical base, a feeding notch is arranged at the lower end of the conical base, the upper end of the driving H steel locking guide device is connected with the driving wheel reduction gearbox, the lower end of the driving H steel locking guide device is fixed at the lower end of the conical base through a bearing and a bearing seat,
it is characterized in that the driven H steel locking guide device and the driving H steel locking guide device have the same structure,
the active H steel locking guide device consists of a central adjusting shaft, an upper locking mechanism and a lower locking mechanism,
the outer surface of the central adjusting shaft is provided with an outer screw thread and the circumference is provided with a spline groove,
the upper locking mechanism consists of an upper pressing disc and an upper locking waist web pressing disc,
the lower locking mechanism consists of a lower pressing disc and a lower locking waist web pressing disc,
the upper pressing disc consists of a first semicircular arc-shaped combined pressing disc and a second semicircular arc-shaped combined pressing disc which are symmetrically arranged,
an upper press disc inner screw thread matched with the outer screw thread is arranged on the inner surface of the first semicircular arc-shaped combined press disc, a press disc first fixing pin hole is arranged in the first semicircular arc-shaped combined press disc,
an upper press disc inner screw thread matched with the outer screw thread is arranged on the inner surface of the second semicircular arc-shaped combined press disc, a press disc second fixing pin hole is arranged in the second semicircular arc-shaped combined press disc,
the upper locking waist web pressing plate consists of a first semicircular arc-shaped upper web pressing plate and a second semicircular arc-shaped upper web pressing plate which are symmetrically arranged,
the inner surface of the first semicircular arc-shaped upper web plate pressing plate is provided with an upper web plate pressing plate inner screw thread matched with the outer screw thread, the inner part of the first semicircular arc-shaped upper web plate pressing plate is provided with a web plate pressing plate first fixing pin hole,
an upper web plate inner screw thread matched with the outer screw thread is arranged on the inner surface of the second semicircular arc-shaped upper web plate, a web plate second fixing pin hole is arranged in the second semicircular arc-shaped upper web plate,
the lower locking waist web pressure plate and the upper locking waist web pressure plate have the same structure.
The number of spline grooves is five.
The invention has the following positive effects:
the outer surface of the driving shaft is processed by the screw thread, and 5 key grooves are uniformly processed according to the circumference, so that the outer surface of the screw thread, namely the pressing plate is prevented from being axially misplaced, and meanwhile, the inner screw thread of the pressing plate can rotate by 1/5 (equivalent to a scale) for accurately indexing, so that the clearance between the pressing plate and the upper and lower planes of the H-shaped steel can be accurately adjusted, and the method is an effective measure for ensuring that the pressed shaped steel is free from distortion or wave or bean bending.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a schematic top view of the present invention.
FIG. 3 is a schematic view of the A-A structure of FIG. 1 according to the present invention.
FIG. 4 is a schematic diagram of the B-B structure of FIG. 1 according to the present invention.
FIG. 5 is a schematic view of the first semicircular arc upper web platen structure of the present invention.
FIG. 6 is a schematic view of the tangential plane structure of the first semicircular arc-shaped upper web platen of the present invention.
Fig. 7 is a schematic view of the structure of the upper platen of the present invention.
FIG. 8 is a schematic view of the cut surface structure of the upper platen of the present invention.
Fig. 9 is a schematic view of the structure of the central adjusting shaft of the present invention.
FIG. 10 is a schematic view of the cross-sectional structure of the center adjusting shaft of the present invention.
Fig. 11 is a schematic view of the first working state of the present invention.
Fig. 12 is a schematic view of a second working state of the present invention.
Detailed Description
As shown in fig. 1-12, is an embodiment of the present invention.
As shown in fig. 1-2, the invention comprises an integral large base 1, a driven push-pull roller device 2, a first driving roller device 3 and a second driving roller device 4, wherein the first driving roller group, the second driving roller group and the driven push-pull roller group are fixedly arranged at the upper end of the integral large base 1,
the driven push-pull roller device 2 consists of a guide rail 2-1, a slide block 2-2, a push-pull driving motor reduction gearbox 2-3, a spiral push-pull mechanism 2-4, a tailstock 2-5 and a driven H steel locking guide device, wherein the guide rail 2-1 is fixedly arranged at the upper end of the integral large base 1, the slide block 2-2 is arranged in the guide rail 2-1, a driven H steel locking guide device fixing frame 2-6 is arranged on the slide block 2-2, the upper end and the lower end of the H steel locking guide device are respectively fixed on the driven H steel locking guide device fixing frame 2-6 through a bearing and a bearing seat, the push-pull driving motor reduction gearbox 2-3, the spiral push-pull mechanism 2-4 and the tailstock 2-5 are connected with the driven H steel locking guide device 2 after being assembled,
the first driving roller device 3 and the second driving roller device 4 are symmetrically arranged and have the same structure,
as shown in the accompanying drawings 3-4, the first driving roller device 3 consists of a conical base 3-1, a driving wheel reduction box 3-2 and a driving H steel locking guide device, wherein the conical base 3-1 is fixedly arranged at the upper end of the integral large base 1, the driving wheel reduction box 3-2 is arranged at the upper end of the conical base 3-1, the driving H steel locking guide device is arranged in the conical base 3-1, a feeding notch 3-5 is arranged at the lower end of the conical base 3-1, the upper end of the driving H steel locking guide device is connected with the driving wheel reduction box 3-2, the lower end of the driving H steel locking guide device is fixed at the lower end of the conical base 3-1 through a bearing and a bearing seat,
as shown in fig. 3-4, the driven H-steel locking guide has the same structure as the driving H-steel locking guide,
the active H steel locking guide device consists of a central adjusting shaft 5, an upper locking mechanism and a lower locking mechanism,
the outer surface of the central adjusting shaft 5 is provided with an outer screw thread 5-1 and the circumference is provided with spline grooves 5-2,
the upper locking mechanism consists of an upper pressing disc 6 and an upper locking waist web pressing disc 7,
the lower locking mechanism consists of a lower pressing disc 9 and a lower locking waist web pressing disc 8,
as shown in fig. 7-10, the upper pressing plate 6 is composed of a first semicircular arc-shaped combined pressing plate 6-1 and a second semicircular arc-shaped combined pressing plate 6-2 which are symmetrically arranged,
the inner surface of the first semicircular arc-shaped combined pressing disc 6-1 is provided with an upper pressing disc inner screw thread 6-3 which is matched with the outer screw thread 5-1, the inner part of the first semicircular arc-shaped combined pressing disc 6-1 is provided with a pressing disc first fixing pin hole 6-4,
an upper pressing plate inner screw thread 6-3 matched with the outer screw thread 5-1 is arranged on the inner surface of the second semicircular arc-shaped combined pressing plate 6-2, a pressing plate second fixing pin hole 6-5 is arranged in the second semicircular arc-shaped combined pressing plate 6-2,
the upper locking waist web pressing plate 7 consists of a first semicircular arc-shaped upper web pressing plate 7-1 and a second semicircular arc-shaped upper web pressing plate 7-2 which are symmetrically arranged,
the inner surface of the first semicircular arc-shaped upper web plate pressing plate 7-1 is provided with an upper web plate pressing plate inner screw thread 7-3 which is matched with the outer screw thread 5-1, the inner part of the first semicircular arc-shaped upper web plate pressing plate 7-1 is provided with a web plate pressing plate first fixing pin hole 7-4,
the inner surface of the second semicircular arc-shaped upper web plate pressing plate 7-2 is provided with an upper web plate pressing plate inner screw thread 7-3 which is matched with the outer screw thread 5-1, the inner part of the second semicircular arc-shaped upper web plate pressing plate 7-2 is provided with a web plate pressing plate second fixing pin hole 7-5,
the lower locking waist web pressure plate 8 has the same structure as the upper locking waist web pressure plate 7.
As shown in FIG. 10, the number of spline grooves 5-2 is five for best results.
As shown in figures 11-12, the 2 notches of the conical base of the invention must be such that straight line material and curved material do not interfere with the base. The upper planes (total 3) of the bottom integral fixed lower pressing plates are required to be on the same plane, so that the H-shaped steel section bars are ensured, and the bottom planes are on the same plane.
The working principle of the invention is as follows:
1. and (5) blanking according to the arc length according to the diameter of the bent material.
2. Straight material H-shaped steel penetrates from 2 notches of the conical base.
3. And 2 motors of the driving roller group are started, and the 2 groups of driving rollers simultaneously rotate to push the materials to press back and forth (the materials roll reversely when the materials roll to the head).
4. When the driving roller is started, the spiral push-pull motor is started, and the spiral push-pull motor is pushed and pressed back and forth.
Claims (2)
1. A cold bending machine comprises an integral large base (1), a driven push-pull roller device (2), a first driving roller device (3) and a second driving roller device (4), wherein the first driving roller group, the second driving roller group and the driven push-pull roller group are fixedly arranged at the upper end of the integral large base (1),
the driven push-pull roller device (2) consists of a guide rail (2-1), a sliding block (2-2), a push-pull driving motor reduction gearbox (2-3), a spiral push-pull mechanism (2-4), a tailstock (2-5) and a driven H steel locking guide device, wherein the guide rail (2-1) is fixedly arranged at the upper end of the whole large base (1), the sliding block (2-2) is arranged in the guide rail (2-1), a driven H steel locking guide device fixing frame (2-6) is arranged on the sliding block (2-2), the upper end and the lower end of the H steel locking guide device are respectively fixed on the driven H steel locking guide device fixing frame (2-6) through a bearing and a bearing seat, the push-pull driving motor reduction gearbox (2-3), the spiral push-pull mechanism (2-4) and the tailstock (2-5) are connected with the driven H steel locking guide device (2) after being assembled,
the first driving roller device (3) and the second driving roller device (4) are symmetrically arranged and have the same structure,
the first driving roller device (3) consists of a conical base (3-1), a driving wheel reduction gearbox (3-2) and a driving H steel locking guide device, wherein the conical base (3-1) is fixedly arranged at the upper end of the whole large base (1), the driving wheel reduction gearbox (3-2) is arranged at the upper end of the conical base (3-1), the driving H steel locking guide device is arranged in the conical base (3-1), a feeding notch (3-5) is arranged at the lower end of the conical base (3-1), the upper end of the driving H steel locking guide device is connected with the driving wheel reduction gearbox (3-2), the lower end of the driving H steel locking guide device is fixed at the lower end of the conical base (3-1) through a bearing and a bearing seat,
it is characterized in that the driven H steel locking guide device and the driving H steel locking guide device have the same structure,
the active H steel locking guide device consists of a central adjusting shaft (5), an upper locking mechanism and a lower locking mechanism,
the outer surface of the central adjusting shaft (5) is provided with an outer screw thread (5-1) and the circumference is provided with a spline groove (5-2),
the upper locking mechanism consists of an upper pressing disc (6) and an upper locking waist web pressing disc (7),
the lower locking mechanism consists of a lower pressing disc (9) and a lower locking waist web pressing disc (8),
the upper pressing disc (6) is composed of a first semicircular arc-shaped combined pressing disc (6-1) and a second semicircular arc-shaped combined pressing disc (6-2) which are symmetrically arranged,
an upper pressing plate inner screw thread (6-3) matched with the outer screw thread (5-1) is arranged on the inner surface of the first semicircular arc-shaped combined pressing plate (6-1), a pressing plate first fixing pin hole (6-4) is arranged in the first semicircular arc-shaped combined pressing plate (6-1),
an upper pressing disc inner screw thread (6-3) matched with the outer screw thread (5-1) is arranged on the inner surface of the second semicircular arc combined pressing disc (6-2), a pressing disc second fixing pin hole (6-5) is arranged in the second semicircular arc combined pressing disc (6-2),
the upper locking waist web pressing plate (7) consists of a first semicircular arc-shaped upper web pressing plate (7-1) and a second semicircular arc-shaped upper web pressing plate (7-2) which are symmetrically arranged,
an upper web plate inner screw thread (7-3) matched with the outer screw thread (5-1) is arranged on the inner surface of the first semicircular arc-shaped upper web plate (7-1), a web plate first fixing pin hole (7-4) is arranged in the first semicircular arc-shaped upper web plate (7-1),
an upper web plate inner screw thread (7-3) matched with the outer screw thread (5-1) is arranged on the inner surface of the second semicircular arc-shaped upper web plate (7-2), a web plate second fixing pin hole (7-5) is arranged in the second semicircular arc-shaped upper web plate (7-2),
the lower locking waist web pressure plate (8) and the upper locking waist web pressure plate (7) have the same structure.
2. A cold-bending machine according to claim 1, characterized in that the number of spline grooves (5-2) is five.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210984484.2A CN116197279A (en) | 2022-08-17 | 2022-08-17 | Cold bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210984484.2A CN116197279A (en) | 2022-08-17 | 2022-08-17 | Cold bending machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116197279A true CN116197279A (en) | 2023-06-02 |
Family
ID=86516137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210984484.2A Pending CN116197279A (en) | 2022-08-17 | 2022-08-17 | Cold bending machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116197279A (en) |
-
2022
- 2022-08-17 CN CN202210984484.2A patent/CN116197279A/en active Pending
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