阅读说明：本技术 一种拉直机 (Straightening machine ) 是由 麦鸿杰 黄立希 于 2020-05-09 设计创作，主要内容包括：本发明提供了一种拉直机,包括机架、弹性支座、第一拉杆以及第二拉杆,机架上设置有动力部以及夹持部,夹持部用于夹紧被拉直的工件,弹性支座的底端以及夹持部的底端均与机架滑动连接,弹性支座顶部的两端均分别连接第一拉杆的一端以及第二拉杆的一端,第一拉杆与第二拉杆之间设置有第一转动组件以及第二转动组件,第一转动组件的两端分别与第一拉杆的一端以及第二拉杆的一端可转动连接,第二转动组件的两端分别与第一拉杆的另一端以及第二拉杆的另一端可转动连接,动力部的一端与第一转动组件连接,第二转动组件的一端与夹持部连接；通过本发明装置实现降低拉直机运行时动力部的弯曲力。(The invention provides a straightening machine which comprises a rack, an elastic support, a first pull rod and a second pull rod, wherein a power part and a clamping part are arranged on the rack, the clamping part is used for clamping a straightened workpiece, the bottom end of the elastic support and the bottom end of the clamping part are both connected with the rack in a sliding manner, the two ends of the top of the elastic support are respectively connected with one end of the first pull rod and one end of the second pull rod, a first rotating assembly and a second rotating assembly are arranged between the first pull rod and the second pull rod, the two ends of the first rotating assembly are respectively rotatably connected with one end of the first pull rod and one end of the second pull rod, the two ends of the second rotating assembly are respectively rotatably connected with the other end of the first pull rod and the other end of the second pull rod, one end of the power part is connected with the first rotating assembly, and one end of the second rotating assembly is connected with the clamping part; the device of the invention can reduce the bending force of the power part when the straightening machine operates.)

1. A straightening machine is characterized by comprising a rack, an elastic support, a first pull rod and a second pull rod, wherein a power part and a clamping part are arranged on the rack, the clamping part is used for clamping a straightened workpiece, the bottom end of the elastic support and the bottom end of the clamping part are both in sliding connection with the rack, two ends of the top of the elastic support are equally connected with one end of the first pull rod and one end of the second pull rod respectively, a first rotating assembly and a second rotating assembly are arranged between the first pull rod and the second pull rod, two ends of the first rotating assembly are rotatably connected with one end of the first pull rod and one end of the second pull rod respectively, two ends of the second rotating assembly are rotatably connected with the other end of the first pull rod and the other end of the second pull rod respectively, one end of the power part is connected with the first rotating assembly, one end of the second rotating assembly is connected with the clamping part.

2. The straightening machine according to claim 1, wherein the power part comprises a telescopic rod, an oil cylinder body for controlling the telescopic rod to perform telescopic motion, and a fixed frame, the oil cylinder body is connected with the fixed frame, the fixed frame is connected with the rack, and one end of the telescopic rod is connected with the first rotating assembly.

3. The straightening machine according to claim 2, wherein the first rotating assembly comprises a first fixed block and a first rotating shaft, a first protruding shaft and a second protruding shaft extend outwards from two ends of the first fixed block, one end of the first pull rod is rotatably connected with the first protruding shaft, one end of the second pull rod is rotatably connected with the second protruding shaft, a through groove is formed in the middle of the first fixed block, one end of the first rotating shaft is connected with the top end of the through groove, the other end of the first rotating shaft is connected with the bottom end of the through groove, and one end of the telescopic rod is rotatably connected with the first rotating shaft.

4. The straightening machine according to claim 3, wherein the second rotating assembly includes a first supporting plate, a second fixing block, and a second rotating shaft, the clamping portion is provided with a mounting groove, the first supporting plate and the second supporting plate are both disposed in the mounting groove, one end of the second rotating shaft is connected to the first supporting plate, one end of the second rotating shaft is connected to the second supporting plate, the second fixing block is connected to the second rotating shaft, a third protruding shaft and a fourth protruding shaft extend outward from both ends of the second fixing block, one end of the first pull rod is connected to the third protruding shaft, and one end of the second pull rod is connected to the fourth protruding shaft.

5. The straightening machine according to claim 1, wherein the bottom of the elastic support and the bottom of the clamping portion are provided with a plurality of sliding wheels, the plurality of sliding wheels are symmetrically arranged, and the elastic support and the clamping portion are slidably connected with the machine frame through the plurality of sliding wheels.

6. The straightening machine according to claim 4, wherein the first fixed block, the second fixed block, the telescopic rod, the first pull rod and the second pull rod are all on the same horizontal plane, and the first pull rod and the second pull rod are parallel to each other.

7. The straightening machine according to claim 1, wherein the clamping part comprises a machine body, a driving device, a first clamping block and a second clamping block, the first clamping block is connected with the machine body, the second clamping block is rotatably connected with the machine body, and the driving device is connected with the second clamping block and used for driving the second clamping block to close and open with respect to the first clamping block.

8. A straightener according to claim 7, characterized in that the surface of the first clamping block and the surface of the second clamping block are provided with insections, which are equidistantly spaced.

9. A straightening machine according to claim 1, characterized in that a plurality of brackets extend outwards from the bottom end of the frame, the brackets are symmetrically arranged, and the brackets are provided with fixing devices for fixing the frame.

Technical Field

The invention relates to the technical field of straightening machines, in particular to a straightening machine.

Background

In the conventional production and processing process of metal workpieces, the workpieces are often twisted in different degrees in various processing procedures, and the situation of uneven stress in the cross section direction also exists, so that the workpieces are bent or stretched and deformed.

The existing general straightening machine fixes two ends of a workpiece through clamping components, then applies pulling force to two sections of the workpiece through a power component, so that the workpiece is processed into a straight state, but because the workpiece to be straightened is in a twisted state, certain torque force is applied to the clamping components fixed at the two ends simultaneously in the straightening process, and the torque force is transmitted to an output shaft of the power component through a clamping component, because the output shaft of the power component is used for reciprocating motion in the straight direction to apply the pulling force, the resistance or the resolution capability to the torque force is not provided, and because the twisting directions and the degrees of different workpieces are different, the directions and the sizes of the torque force are different, so that the power device of the existing straightening machine is easy to deform under the action of the torque force, and the service life is influenced.

Disclosure of Invention

In order to overcome the problem of short service life in the prior art, the invention provides a straightening machine, which has the following specific technical scheme:

a straightening machine comprises a frame, an elastic support, a first pull rod and a second pull rod, wherein the frame is provided with a power part and a clamping part, the clamping part is used for clamping a straightened workpiece, the bottom end of the elastic support and the bottom end of the clamping part are both connected with the frame in a sliding way, the two ends of the top of the elastic support are respectively connected with one end of the first pull rod and one end of the second pull rod, a first rotating component and a second rotating component are arranged between the first pull rod and the second pull rod, two ends of the first rotating component are respectively and rotatably connected with one end of the first pull rod and one end of the second pull rod, two ends of the second rotating component are respectively and rotatably connected with the other end of the first pull rod and the other end of the second pull rod, one end of the power part is connected with the first rotating assembly, and one end of the second rotating assembly is connected with the clamping part.

Preferably, the power part comprises a telescopic rod, an oil cylinder body and a fixing frame, the oil cylinder body is used for controlling the telescopic rod to perform telescopic motion, the oil cylinder body is connected with the fixing frame, the fixing frame is connected with the rack, and one end of the telescopic rod is connected with the first rotating assembly.

Preferably, the first rotating assembly comprises a first fixing block and a first rotating shaft, a first protruding shaft and a second protruding shaft extend outwards from two ends of the first fixing block, one end of the first pull rod is rotatably connected with the first protruding shaft, one end of the second pull rod is rotatably connected with the second protruding shaft, a through groove is formed in the middle of the first fixing block, one end of the first rotating shaft is connected with the top end of the through groove, the other end of the first rotating shaft is connected with the bottom end of the through groove, and one end of the telescopic rod is rotatably connected with the first rotating shaft.

Preferably, the second rotating assembly comprises a first supporting plate, a second fixing block and a second rotating shaft, the clamping portion is provided with a mounting groove, the first supporting plate and the second supporting plate are both arranged in the mounting groove, one end of the second rotating shaft is connected with the first supporting plate, one end of the second rotating shaft is connected with the second supporting plate, the second fixing block is connected with the second rotating shaft in a rotating mode, a third protruding shaft and a fourth protruding shaft extend outwards from two ends of the second fixing block, one end of the first pull rod is connected with the third protruding shaft in a rotating mode, and one end of the second pull rod is connected with the fourth protruding shaft in a rotating mode.

Preferably, the bottom of elastic support and the bottom of clamping part all are provided with a plurality of movable pulley, a plurality of movable pulley symmetry installation, elastic support and the clamping part all through a plurality of movable pulley and frame sliding connection.

Preferably, the first fixing block, the second fixing block, the telescopic rod, the first pull rod and the second pull rod are all located on the same horizontal plane, and the first pull rod is parallel to the second pull rod.

Preferably, the clamping part comprises a machine body, a driving device, a first clamping block and a second clamping block, the first clamping block is connected with the machine body, the second clamping block is rotatably connected with the machine body, and the driving device is connected with the second clamping block and used for driving the second clamping block to close and open between the first clamping block.

Preferably, the surface of the first clamping block and the surface of the second clamping block are both provided with insections, and the insections are arranged at equal intervals.

Preferably, the bottom of frame is outwards extended and is had a plurality of support, a plurality of the support symmetry sets up, the fixing device who is used for fixed frame is all installed to the support.

The beneficial technical effects obtained by the invention comprise:

one end of a workpiece to be straightened is fixed on the straightening machine or a fixing mechanism outside the straightening machine, the clamping part clamps the other end of the straightened workpiece, the power part is started, a power rod of the power part drives the first rotating assembly, then the first rotating assembly drives the first pull rod, the second pull rod and the elastic support for supporting the first pull rod and the second pull rod, and finally the clamping part is driven to move on the plane of the rack, so that the workpiece is straightened; a first rotating assembly and a second rotating assembly are arranged between the first pull rod and the second pull rod, and are used for transversely swinging left and right, so that when the power part outputs power, the power rod on the power part can transversely swing left and right relative to the first pull rod and the second pull rod, and transverse bending force of the power rod of the power part during working is eliminated; two ends of the first rotating assembly are respectively and rotatably connected with one end of the first pull rod and one end of the second pull rod, and two ends of the second rotating assembly are respectively and rotatably connected with the other end of the first pull rod and the other end of the second pull rod, so that the power rod on the power part can swing up and down relative to the first pull rod and the second pull rod, and longitudinal bending force of the power rod of the power part during working is eliminated; in other words, in the straightening process, the transverse and longitudinal bending forces of the power part are eliminated, the stress is concentrated in one direction in which the power rod of the power part extends, the stable operation of the device is ensured, and the failure rate of the device is reduced.

The invention will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

FIG. 2 is an enlarged structural view of the structure at the point A in the embodiment of the present invention;

FIG. 3 is an enlarged structural diagram of a structure at B in the embodiment of the present invention;

FIG. 4 is a schematic view of a clamping portion of an embodiment of the invention;

FIG. 5 is a schematic view of a first fixed block structure according to an embodiment of the present invention;

fig. 6 is a schematic diagram of a second fixing block structure according to an embodiment of the invention.

In the figure: 10. a frame; 11. a support; 12. a fixing device; 20. an elastic support; 31. a first pull rod; 32. a second pull rod; 40. a power section; 41. a telescopic rod; 42. an oil cylinder body; 43. a fixed mount; 50. a clamping portion; 51. mounting grooves; 52. a body; 53. a drive device; 54. a first clamping block; 55. a second clamping block; 56. insection; 60. a first rotating assembly; 61. a first fixed block; 62. a first rotating shaft; 63. a first protruding shaft; 64. a second protruding shaft; 65. a through groove; 70. a second rotating assembly; 71. a first support plate; 72. a second support plate; 73. a second fixed block; 74. a second rotating shaft; 75. a third protruding shaft; 76. a fourth protruding shaft; 80. a sliding wheel.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to embodiments thereof; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Other systems, methods, and/or features of the present embodiments will become apparent to those skilled in the art upon review of the following detailed description. It is intended that all such additional systems, methods, features and advantages be included within this description, be within the scope of the invention, and be protected by the accompanying claims. Additional features of the disclosed embodiments are described in, and will be apparent from, the detailed description that follows.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or component referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms described above will be understood by those of ordinary skill in the art according to the specific circumstances.

The invention relates to a straightening machine, which is illustrated by the following embodiments according to the attached drawings: