Straightening machine for machining shaft workpieces

Abstract

The utility model discloses a straightening machine for processing shaft workpieces, which comprises a hydraulic cylinder, a first positioning piece, a second positioning piece, a dragging plate and a moving component, the first positioning piece and the second positioning piece can fix a shaft, and the dragging plate is arranged on the hydraulic cylinder. The lower end of the hydraulic cylinder is located between the first locating piece and the second locating piece, the first locating piece and the second locating piece are located on the dragging plate, and the moving assembly enables the dragging plate to move back and forth in the arrangement direction of the first locating piece and the second locating piece. The shaft straightening device has the effect that the shaft straightening work efficiency of the straightening machine is improved.

Description

Technical Field

[0001] The present application relates to the technical field of top straightening machines, and in particular to a top straightening machine for machining shaft workpieces. Background Art

[0002] A straightening machine is also called a straightening machine. A straightening machine is a device that straightens the basic parts shafts and tubes commonly used in the machinery industry due to thermal deformation during processing and deformation caused by external forces during transportation, so as to meet the installation and operation accuracy requirements of the mechanical system. At present, when straightening shaft workpieces on the market, the straightening machine places the shaft on two V-shaped support blocks and then presses it through a straightening hydraulic cylinder. For example, the patent name is a straightening machine for shaft parts (application number is 2015109149425), which makes the straightening machine only straighten the middle part of the shaft, while the other parts of the shaft are bent, which makes the straightening efficiency of the straightening machine for the shaft low. Utility Model Content

[0003] The utility model aims to provide a straightening machine for machining shaft workpieces in view of the defects and shortcomings of the prior art.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] It includes a hydraulic cylinder, and the straightening machine also includes a first positioning member, a second positioning member, a drag plate and a shifting assembly. The first positioning member and the second positioning member can be fixed to the shaft. The lower end of the hydraulic cylinder is located between the first positioning member and the second positioning member. The first positioning member and the second positioning member are located on the drag plate. The shifting assembly moves the drag plate back and forth along the arrangement direction of the first positioning member and the second positioning member.

[0006] Preferably, the first positioning member includes a first mounting tube, a first rotating rod, a first gear, a second gear and a driving motor, the first rotating rod is horizontally rotatably connected in the first mounting tube, the first gear is sleeved on the circumferential side of the first rotating rod, the second gear is fixed on the output end of the driving motor, and the first gear and the second gear are meshed with each other.

[0007] Preferably, the second positioning member includes a second mounting tube and a second rotating rod, the second rotating rod is horizontally rotatably connected in the second mounting tube, and the first rotating rod and the second rotating rod are horizontally corresponding to each other.

[0008] Preferably, a first fixed seat is provided at the inner end of the first rotating rod, and a second fixed seat is provided at the inner end of the second rotating rod. The first fixed seat is provided with a first stabilizing groove at an end away from the first rotating rod, and the second fixed seat is provided with a second stabilizing groove at an end away from the second rotating rod. Both the first stabilizing groove and the second stabilizing groove are conical.

[0009] Preferably, the side wall of the first mounting tube is provided with an adjusting cylinder, and the adjusting cylinder can control the horizontal movement of the first rotating rod.

[0010] Preferably, a driving component is provided between the first positioning member and the dragging plate, and the driving component drives the first positioning member to approach or move away from the second positioning member.

[0011] Preferably, two V-shaped support frames are arranged below the dragging plate, the two V-shaped support frames are located directly below the hydraulic cylinder, and the upper end surface of the dragging plate is provided with sliding grooves for the two V-shaped support frames to slide.

[0012] In summary, the present application includes at least one of the following beneficial technical effects:

[0013] 1. When the shaft workpiece needs to be straightened, the shaft is placed between the first positioning member and the second positioning member. Then, according to the detection of the detection equipment, the drag plate is moved horizontally under the action of the shifting assembly, and the position where the shaft needs to be straightened is moved to the bottom of the hydraulic cylinder. Then, the hydraulic cylinder is started to straighten the shaft, and then the shifting assembly is further moved horizontally to make another straightening position of the shaft located directly under the hydraulic cylinder. Then, the above actions are repeated to fully straighten the shaft, thereby improving the working efficiency of the straightening machine for straightening the shaft.

[0014] 2. The shaft is placed between the first positioning member and the second positioning member. When the other side of the shaft needs to be straightened, the driving motor is started. Under the mutual meshing of the first gear and the second gear, the first rotating rod is driven to rotate in the first mounting tube. At the same time, driven by the shaft, the second rotating rod rotates in the second mounting tube, thereby turning the shaft over, which improves the convenience of straightening the shaft.

[0015] 3. Under the action of the adjusting cylinder, the first rotating rod is moved horizontally to facilitate the installation or removal of the shaft between the first positioning member and the second positioning member. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model straightening machine;

[0017] Figure 2 It is a cross-sectional schematic diagram of the first positioning member and the second positioning member of the utility model;

[0018] Figure 3 yes Figure 2 Enlarged view of point A in the middle.

[0019] In the figure: 1. working platform; 2. hydraulic cylinder; 3. first positioning member; 4. second positioning member; 5. drag plate; 6. shifting assembly; 7. first motor; 8. first screw rod; 9. first slide rail; 10. first slider; 11. V-shaped support frame; 12. slide groove; 13. first mounting tube; 14. first rotating rod; 15. first gear; 16. second gear; 17. driving motor; 18. adjusting cylinder; 19. connecting plate; 20. annular groove; 21. fixing screw rod; 22. second mounting tube; 23. second rotating rod; 24. first fixing seat; 25. second fixing seat; 26. first stable groove; 27. second stable groove; 28. driving assembly; 29. ​​second motor; 30. second screw rod; 31. second slide rail; 32. second slider. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings.

[0021] The embodiment of the present application discloses a straightening machine for machining shaft workpieces.

[0022] Reference Figure 1 , including a working platform 1, a hydraulic cylinder 2, a first positioning member 3, a second positioning member 4, a towing plate 5 and a moving assembly 6. The hydraulic cylinder 2, the first positioning member 3, the second positioning member 4, the towing plate 5 and the moving assembly 6 are located above the working platform 1, the towing plate 5 is located on the moving assembly 6, the first positioning member 3 and the second positioning member 4 are installed on the upper end surface of the towing plate 5 and are arranged along the length direction of the towing plate 5.

[0023] The movement assembly 6 includes a first motor 7, a first screw rod 8, two first slide rails 9 and four first sliders 10. The two first slide rails 9 are fixed parallel to each other at the upper end of the working platform 1. The four first sliders 10 are evenly fixed on the lower end surface of the drag plate 5. The first sliders 10 slide on the two first slide rails 9 respectively in pairs. The first screw rod 8 is threadedly matched with the lower end of the drag plate 5. The first motor 7 is fixed on the working platform 1, and one end of the output end of the first motor 7 is connected to the first screw rod 8 through a coupling.

[0024] Two V-shaped support frames 11 are vertically fixed to the upper end of the working platform 1. The two V-shaped support frames 11 are located directly below the hydraulic cylinder 2. A sliding groove 12 is penetrated through the upper end surface of the dragging plate 5. The length direction of the sliding groove 12 is opened along the arrangement direction of the two V-shaped support frames 11.

[0025] Reference Figure 2 and Figure 3The first positioning member 3 includes a first mounting tube 13, a first rotating rod 14, a first gear 15, a second gear 16 and a driving motor 17. The first rotating rod 14 is horizontally rotatably connected in the first mounting tube 13. The first gear 15 is sleeved and fixed on the circumference of the first rotating rod 14. The second gear 16 is fixed on the output end of the driving motor 17. A through hole is opened on the upper side wall of the first mounting tube 13. The second gear 16 passes through the through hole and meshes with the first gear 15.

[0026] The first mounting tube 13 is fixed with an adjusting cylinder 18 by bolts at one end away from the second positioning member 4, and a connecting plate 19 is fixed to the output end of the adjusting cylinder 18. One end of the first rotating rod 14 passes through the side wall of the connecting plate 19, and an annular groove 20 is provided on the circumferential side of the first rotating rod 14. A fixing screw 21 is threadedly rotated on the side wall of the connecting plate 19, and one end of the fixing screw 21 is threadedly rotated in the connecting plate 19 and inserted into the annular groove 20 of the first rotating rod 14. The thickness of the first gear 15 is greater than that of the second gear 16. When the adjusting cylinder 18 pushes the first rotating rod 14, the first gear 15 is always meshed with the second gear 16.

[0027] The second positioning member 4 includes a second mounting tube 22 and a second rotating rod 23 . The second rotating rod 23 is horizontally rotatably connected in the second mounting tube 22 . The first rotating rod 14 and the second rotating rod 23 are horizontally corresponding.

[0028] A first fixing seat 24 is fixed to the inner end of the first rotating rod 14 by bolts, and a second fixing seat 25 is fixed to the inner end of the second rotating rod 23 by bolts. The first fixing seat 24 is provided with a first stabilizing groove 26 at the end away from the first rotating rod 14, and the second fixing seat 25 is provided with a second stabilizing groove 27 at the end away from the second rotating rod 23. Both the first stabilizing groove 26 and the second stabilizing groove 27 are conical.

[0029] Reference Figure 1 A driving assembly 28 is arranged between the first positioning member 3 and the dragging plate 5, and the driving assembly 28 includes a second motor 29, a second screw rod 30, two second slide rails 31 and four second sliders 32. The two second slide rails 31 are horizontally fixed to the upper end surface of the dragging plate 5, and the four second sliders 32 are fixed to the lower end surface of the first mounting tube 13. The second sliders 32 slide on the two second slide rails 31 respectively. The second screw rod 30 is threadedly engaged with the bottom of the first mounting tube 13. The second motor 29 is fixed on the dragging plate 5, and one end of the output end of the second motor 29 is connected to the second screw rod 30 through a coupling.

[0030] The above description is only a preferred embodiment of the present utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. A straightening machine for machining shaft workpieces, comprising a hydraulic cylinder (2), characterized in that: The straightening machine further comprises a first positioning member (3), a second positioning member (4), a dragging plate (5) and a shifting assembly (6); the first positioning member (3) and the second positioning member (4) can be fixed to the shaft; the lower end of the hydraulic cylinder (2) is located between the first positioning member (3) and the second positioning member (4); the first positioning member (3) and the second positioning member (4) are located on the dragging plate (5); and the shifting assembly (6) moves the dragging plate (5) back and forth along the arrangement direction of the first positioning member (3) and the second positioning member (4).

2. A straightening machine for machining shaft workpieces according to claim 1, characterized in that: The first positioning member (3) comprises a first mounting tube (13), a first rotating rod (14), a first gear (15), a second gear (16) and a driving motor (17); the first rotating rod (14) is horizontally rotatably connected in the first mounting tube (13); the first gear (15) is sleeved on the circumference of the first rotating rod (14); the second gear (16) is fixed on the output end of the driving motor (17); and the first gear (15) and the second gear (16) are meshed with each other.

3. A straightening machine for machining shaft workpieces according to claim 2, characterized in that: The second positioning member (4) comprises a second mounting tube (22) and a second rotating rod (23); the second rotating rod (23) is horizontally rotatably connected in the second mounting tube (22); and the first rotating rod (14) and the second rotating rod (23) are horizontally corresponding.

4. A straightening machine for machining shaft workpieces according to claim 3, characterized in that: A first fixing seat (24) is provided at the inner end of the first rotating rod (14), and a second fixing seat (25) is provided at the inner end of the second rotating rod (23). The first fixing seat (24) is provided with a first stabilizing groove (26) at an end away from the first rotating rod (14), and the second fixing seat (25) is provided with a second stabilizing groove (27) at an end away from the second rotating rod (23). Both the first stabilizing groove (26) and the second stabilizing groove (27) are conical.

5. The straightening machine for machining shaft workpieces according to claim 2, characterized in that: The side wall of the first mounting cylinder (13) is provided with an adjusting cylinder (18), and the adjusting cylinder (18) can control the horizontal movement of the first rotating rod (14).

6. The straightening machine for machining shaft workpieces according to claim 1, characterized in that: A driving assembly (28) is provided between the first positioning member (3) and the dragging plate (5), and the driving assembly (28) drives the first positioning member (3) to move closer to or farther from the second positioning member (4).

7. The straightening machine for machining shaft workpieces according to claim 1, characterized in that Two V-shaped support frames (11) are arranged below the dragging plate (5), and the two V-shaped support frames (11) are located directly below the hydraulic cylinder (2). The upper end surface of the dragging plate (5) is provided with a sliding groove (12) for the two V-shaped support frames (11) to slide.

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