CN112404176A - Fixture and straightener for straightener - Google Patents
Fixture and straightener for straightener Download PDFInfo
- Publication number
- CN112404176A CN112404176A CN202011309390.2A CN202011309390A CN112404176A CN 112404176 A CN112404176 A CN 112404176A CN 202011309390 A CN202011309390 A CN 202011309390A CN 112404176 A CN112404176 A CN 112404176A
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- China
- Prior art keywords
- rocker arm
- straightening machine
- cavity
- seat
- machine according
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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
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/10—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts between rams and anvils or abutments
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a clamping mechanism for a straightening machine, wherein a stand column is arranged at the top of an installation plate, a horizontally extending rocker arm shaft is arranged at the upper end of the stand column, a rocker arm is positioned above the installation plate, one end of the rocker arm is rotatably connected with the stand column through the rocker arm shaft, a chuck is arranged at one side of the rocker arm, a rotating shaft of the chuck is parallel to the rotating shaft, a spring seat is arranged at the top of the installation plate, the spring seat is positioned at one side of the stand column. Through above-mentioned fixture for straightener of optimal design, fix the work piece tip through the chuck, simultaneously, realize the centre gripping of floating to the work piece tip through rocking arm and spring holder, avoid because work piece axis deformation causes the condition that the centre gripping is difficult to the alignment, the unloading of being convenient for improves the suitability. The invention also provides a straightening machine.
Description
Technical Field
The invention relates to the technical field of straightening machines, in particular to a clamping mechanism for a straightening machine and the straightening machine.
Background
The straightening machine is mainly used for straightening the bending of a rod-shaped workpiece, and has the working principle that the workpiece is placed between two movable points of a workbench, the lower part of the workbench supports the workpiece through a roller, a belt wheel mechanism drives the workpiece to rotate in a friction transmission mode, the bending and the bending degree of the workpiece are detected at the positions, the bent part of the workpiece is moved to the lower part of a pressure head through moving the workbench, the pressure head is directly aligned to the bending position, then, the bending is carried out for multiple times in a reverse mode, when the bending amount is the same as the elastic amount of the workpiece, the pressure head can be directly withdrawn to other bent parts for secondary straightening work, and therefore repeated straightening is carried out, and the straightening purpose can be achieved only after the bent part of each part of the whole workpiece is completely straightened.
The clamping mechanism is a key component of the straightener that is used to pre-position the workpiece prior to straightening. The clamping devices currently used are centre points of the type which require the prior drilling of V-shaped holes in both ends of the workpiece, which increases the workload and, if the drilled hole is not centred, causes the axis and centre of rotation of the workpiece to be not in the same line and can jump. Meanwhile, when the axis and the rotation center of the workpiece deviate, the radial positions of the clamping mechanisms at the two ends are not easy to adjust.
Disclosure of Invention
The invention provides a clamping mechanism for a straightening machine and the straightening machine, which aim to solve the technical problems in the background art.
The invention provides a clamping mechanism for a straightening machine, which comprises: the mounting plate, the spring seat, the upright post, the rocker arm and the chuck;
the stand is installed at the mounting panel top, and the stand upper end is equipped with the rocking arm axle of horizontal extension, and the rocking arm is located mounting panel top and one end passes through rocking arm axle and stand rotatable coupling, and the chuck is installed in rocking arm one side and its pivot and is on a parallel with the pivot setting, and the spring holder is installed at the mounting panel top, and the spring holder is located stand one side and its top and is equipped with the supporting part that is used for supporting the rocking arm.
Preferably, the chuck further comprises a first driving cylinder, the first driving cylinder is arranged at one end of the rocker arm far away from the rocker arm shaft, a first output shaft of the first driving cylinder is arranged in parallel to the rocker arm shaft, and the chuck is rotatably arranged on the first output shaft.
Preferably, the first driving cylinder is a cylinder.
According to the clamping mechanism for the straightening machine, the upright post is arranged at the top of the mounting plate, the upper end of the upright post is provided with the horizontally extending rocker arm shaft, the rocker arm is positioned above the mounting plate, one end of the rocker arm is rotatably connected with the upright post through the rocker arm shaft, the chuck is arranged on one side of the rocker arm, the rotating shaft of the chuck is parallel to the rotating shaft, the spring seat is arranged at the top of the mounting plate, the spring seat is positioned on one side of the upright post. Through above-mentioned fixture for straightener of optimal design, fix the work piece tip through the chuck, simultaneously, realize the centre gripping of floating to the work piece tip through rocking arm and spring holder, avoid because work piece axis deformation causes the condition that the centre gripping is difficult to the alignment, the unloading of being convenient for improves the suitability.
The invention also provides a straightening machine, which comprises the clamping mechanism for the straightening machine.
Preferably, two oppositely disposed clamping mechanisms are included.
Preferably, the device further comprises an anvil block assembly, wherein the anvil block assembly comprises a lower seat body, a second driving cylinder, a push block and an upper floating seat;
a first cavity extending horizontally from one side to the inside and a second cavity extending downwards from the top are arranged in the lower seat body, the lower end of the second cavity is communicated with the top of the first cavity, and the lower end of the second cavity and the top of the first cavity form an L-shaped structure;
the upper floating seat is located in the second cavity, a supporting block is arranged at the top of the upper floating seat, the pushing block is located in the first cavity, a first material pushing surface which is obliquely arranged is arranged on one side, close to the upper floating seat, of the pushing block, and a second output shaft of the second driving cylinder extends in the direction of the first cavity and is connected with the pushing block to drive the pushing block to push the upper floating seat to move upwards.
Preferably, the top of the supporting block is provided with a V-shaped supporting structure.
Preferably, the second driving cylinder is a hydraulic cylinder.
Preferably, the bottom of the lower seat body is provided with a second pushing surface matched with the first pushing surface.
Preferably, the second driving cylinder is positioned on one side of the push block, which is far away from the upper floating seat.
In the invention, the technical effect of the proposed straightener is similar to that of the clamping mechanism for the straightener, and therefore, the technical effect is not described again.
Drawings
Fig. 1 is a schematic structural diagram of a clamping mechanism for a straightening machine according to the present invention.
Fig. 2 is a schematic structural diagram of an anvil assembly of a straightening machine according to the present invention.
Fig. 3 is a schematic structural diagram of a straightening machine according to the present invention.
Detailed Description
Fig. 1 to 3 show a schematic structural diagram of a clamping mechanism for a straightening machine according to the present invention in fig. 1, fig. 2 shows a schematic structural diagram of an anvil assembly of a straightening machine according to the present invention in fig. 2, and fig. 3 shows a schematic structural diagram of a straightening machine according to the present invention in fig. 3.
Referring to fig. 1, the invention provides a clamping mechanism for a straightening machine and a straightening machine, comprising: the device comprises a mounting plate 1, a spring seat 2, a stand column 3, a rocker arm 4 and a chuck 6;
upright 3 installs at 1 top of mounting panel, and 3 upper ends of upright are equipped with the rocking arm axle that the level extends, and rocking arm 4 is located 1 top of mounting panel and one end passes through rocking arm axle and 3 rotatable coupling of upright, and chuck 6 installs and is being on one side of rocking arm 4 and its pivot is on a parallel with the pivot setting, and spring holder 2 installs at 1 top of mounting panel, and spring holder 2 is located 3 one side of upright and its top is equipped with the supporting part that is used for supporting rocking arm 4.
In this embodiment, the fixture for straightener that provides, the column mouting is at the mounting panel top, and the stand upper end is equipped with the horizontally extending rocking arm axle, and the rocking arm is located the mounting panel top and one end passes through rocking arm axle and stand rotatable coupling, and the chuck is installed in rocking arm one side and its pivot is on a parallel with the pivot setting, and the spring holder is installed at the mounting panel top, and the spring holder is located stand one side and its top is equipped with the supporting part that is used for supporting the rocking arm. Through above-mentioned fixture for straightener of optimal design, fix the work piece tip through the chuck, simultaneously, realize the centre gripping of floating to the work piece tip through rocking arm and spring holder, avoid causing the condition that the centre gripping is difficult to the alignment because work piece axis deformation, do not take place to beat when guaranteeing the work piece rotation, the unloading of being convenient for improves the suitability.
The embodiment also provides a straightening machine, which comprises the clamping mechanism for the straightening machine.
In a particular embodiment, two oppositely disposed clamping mechanisms are included. The fixture's for the straightener concrete centre gripping in-process of this embodiment carries out the centre gripping with the work piece through the chuck, because the chuck passes through rocking arm and spring holder floating installation, guarantees the reliability of both ends fixture centre gripping, prevents effectively that work piece alignment in-process X, Y, Z direction from aiming at, guarantees that the work piece can be more for steady rotation.
Referring to fig. 2 and 3, in the embodiment of the clamping mechanism, a first driving cylinder 5 is further included, the first driving cylinder 5 is mounted at one end of the rocker arm 4 far away from the rocker shaft, a first output shaft of the first driving cylinder 5 is arranged parallel to the rocker shaft, and the chuck 6 is rotatably mounted on the first output shaft; when the rotation detects that the workpiece is bent, the workpiece is clamped through the chuck, the clamping part can rotate along with the workpiece, meanwhile, the chuck can also adjust the axial position under the action of the first driving cylinder, the main action is to prevent the workpiece from rotating in the X, Y and Z directions, and the workpiece can be guaranteed to rotate stably.
In a specific alternative of the first drive cylinder, the first drive cylinder 5 is a pneumatic cylinder.
In other specific embodiments, the straightening machine of the present embodiment further includes an anvil assembly, where the anvil assembly includes a lower seat body 11, a second driving cylinder 12, a pushing block 13, and an upper floating seat 14;
a first cavity extending horizontally from one side to the inside and a second cavity extending downwards from the top are arranged in the lower seat body 11, the lower end of the second cavity is communicated with the top of the first cavity, and the lower end of the second cavity and the top of the first cavity form an L-shaped structure;
the upper floating seat 14 is located in the second cavity, the supporting block 15 is arranged at the top of the upper floating seat 14, the pushing block 13 is located in the first cavity, a first material pushing surface which is obliquely arranged is arranged on one side, close to the upper floating seat 14, of the pushing block 13, and a second output shaft of the second driving cylinder 12 extends along the direction of the first cavity and is connected with the pushing block 13 to drive the pushing block 13 to push the upper floating seat 14 to move upwards.
During the specific work of anvil block subassembly, the anvil block subassembly is used for supporting the work piece middle part, and during the use, the supporting shoe of floating the seat on is located the work piece below, and the second driving cylinder drive ejector pad removes in first cavity, under the effect of first material pushing face, promotes and floats the seat and rise to make the supporting shoe on the floating seat on support the work piece from the below.
In the specific design mode of the supporting block, the top of the supporting block 15 is provided with a V-shaped supporting structure which is adaptive to workpieces with different sizes, so that the supporting reliability is improved.
In order to facilitate the pushing block to push the upper floating seat, a second pushing surface matched with the first pushing surface is arranged at the bottom of the lower seat body 11.
In a specific arrangement mode of the second driving cylinder, the second driving cylinder 12 is positioned on the side of the push block 13 far away from the upper floating seat 14.
In the specific design of the second driving cylinder, the second driving cylinder 12 adopts a hydraulic cylinder to ensure the accurate driving of the push block, thereby ensuring the accurate stop of the support block.
In the specific working process of the straightening machine of the embodiment, a workpiece is firstly placed on the anvil block assembly and is supported by the supporting block, then the chucks of the clamping mechanisms at the two ends axially move to positions capable of clamping the workpiece under the action of the first driving cylinder, the workpiece is clamped by the chucks, then the pushing block is driven to return by the second driving cylinder, so that the supporting block falls along with the upper floating seat, the surface of the workpiece is detected and straightened, after the straightening is completed, the second driving cylinder drives the pushing block again to push the upper floating seat to ascend, so that the supporting block supports the workpiece again, the chucks of the clamping mechanisms at the two ends are loosened, and then the chucks are driven by the first driving cylinder to retract.
In a specific design mode of the anvil block assembly, oil can be synchronously supplied to the second driving cylinders of the plurality of anvil block assemblies, so that the supporting blocks of the anvil block assemblies move synchronously to lift the workpiece.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a fixture for straightener which characterized in that includes: the device comprises a mounting plate (1), a spring seat (2), a stand column (3), a rocker arm (4) and a chuck (6);
upright column (3) is installed at the top of mounting plate (1), the upper end of upright column (3) is provided with a horizontally extending rocker shaft, rocker arm (4) is located above mounting plate (1) and one end of the rocker arm is rotatably connected with upright column (3) through the rocker shaft, chuck (6) is installed at one side of rocker arm (4) and the rotating shaft of the rocker arm is parallel to the rotating shaft, spring seat (2) is installed at the top of mounting plate (1), and spring seat (2) is located at one side of upright column (3) and the top of the spring seat is provided with a supporting part for supporting rocker arm (.
2. The clamping mechanism for the straightening machine as claimed in claim 1, characterized in that the clamping mechanism further comprises a first drive cylinder (5), the first drive cylinder (5) is mounted at the end of the rocker arm (4) remote from the rocker arm shaft, a first output shaft of the first drive cylinder (5) is arranged parallel to the rocker arm shaft, and the chuck (6) is rotatably mounted on the first output shaft.
3. The holding mechanism for straightening machine according to claim 1, characterized in that the first driving cylinder (5) is a pneumatic cylinder.
4. A straightening machine, characterized by comprising a holding mechanism for a straightening machine according to any one of claims 1 to 3.
5. The straightener of claim 4, comprising two oppositely arranged clamping mechanisms.
6. The straightening machine according to claim 4 or 5, characterized by further comprising an anvil assembly, wherein the anvil assembly comprises a lower seat body (11), a second driving cylinder (12), a push block (13) and an upper floating seat (14);
a first cavity extending horizontally from one side to the inside and a second cavity extending downwards from the top are arranged in the lower seat body (11), the lower end of the second cavity is communicated with the top of the first cavity, and the lower end of the second cavity and the top of the first cavity form an L-shaped structure;
go up to float seat (14) and be located the second cavity, go up to float seat (14) top and be equipped with supporting shoe (15), ejector pad (13) are located in the first cavity, ejector pad (13) are close to and float seat (14) one side and are equipped with the first material pushing surface that the slope set up, and the second output shaft of second driving cylinder (12) is followed first cavity direction extension and its be connected with ejector pad (13) and be used for driving ejector pad (13) to promote to float seat (14) rebound.
7. Straightening machine according to claim 6, characterized in that the support block (15) is provided with a V-shaped support structure at the top.
8. Straightening machine according to claim 6, characterized in that the second drive cylinder (12) is a hydraulic cylinder.
9. The straightening machine according to claim 6, characterized in that a second pushing surface matched with the first pushing surface is arranged at the bottom of the lower seat body (11).
10. Straightening machine according to claim 6, characterized in that the second drive cylinder (12) is located on the side of the push block (13) remote from the upper floating seat (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011309390.2A CN112404176A (en) | 2020-11-20 | 2020-11-20 | Fixture and straightener for straightener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011309390.2A CN112404176A (en) | 2020-11-20 | 2020-11-20 | Fixture and straightener for straightener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112404176A true CN112404176A (en) | 2021-02-26 |
Family
ID=74774318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011309390.2A Pending CN112404176A (en) | 2020-11-20 | 2020-11-20 | Fixture and straightener for straightener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112404176A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5839315A (en) * | 1996-11-20 | 1998-11-24 | Eitel Presses, Inc. | Bend-straightening machine |
| CN204523864U (en) * | 2015-03-13 | 2015-08-05 | 天津海特传动机械有限公司 | A kind of hydraulic straightening machine |
| CN204770275U (en) * | 2015-07-17 | 2015-11-18 | 重庆理工大学 | Clamping device of straightener |
| CN208928900U (en) * | 2018-08-09 | 2019-06-04 | 株洲欧启硬质合金有限公司 | A kind of laborsaving straightener |
| CN110538895A (en) * | 2019-09-04 | 2019-12-06 | 浙江佛尔泰智能设备有限公司 | Transmission shaft straightening machine |
| CN111906169A (en) * | 2020-08-26 | 2020-11-10 | 河北工业大学 | Different structure axle class spare straightener based on visual detection |
-
2020
- 2020-11-20 CN CN202011309390.2A patent/CN112404176A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5839315A (en) * | 1996-11-20 | 1998-11-24 | Eitel Presses, Inc. | Bend-straightening machine |
| CN204523864U (en) * | 2015-03-13 | 2015-08-05 | 天津海特传动机械有限公司 | A kind of hydraulic straightening machine |
| CN204770275U (en) * | 2015-07-17 | 2015-11-18 | 重庆理工大学 | Clamping device of straightener |
| CN208928900U (en) * | 2018-08-09 | 2019-06-04 | 株洲欧启硬质合金有限公司 | A kind of laborsaving straightener |
| CN110538895A (en) * | 2019-09-04 | 2019-12-06 | 浙江佛尔泰智能设备有限公司 | Transmission shaft straightening machine |
| CN111906169A (en) * | 2020-08-26 | 2020-11-10 | 河北工业大学 | Different structure axle class spare straightener based on visual detection |
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