Automatic auxiliary supporting device for slender shaft machining

Abstract

The utility model discloses an automatic auxiliary supporting device for machining slender shafts, belongs to the technical field of lathe machining auxiliary equipment, and solves the problems that the specification of a supporting groove of an existing device is fixed, slender shafts with different diameters cannot be supported, the application range is small, and limitation exists. A sliding groove is formed in the middle of the top face of the base, a supporting assembly is arranged in the sliding groove, the two sides of the bottom of a slender shaft can be limited through side supporting rollers, the situation that the slender shaft shakes is avoided, the bottom of the slender shaft can be supported through the side supporting rollers and a bottom supporting roller, and the situation that the slender shaft is bent downwards is avoided; the distance between the two side supporting rollers can be adjusted, the height of the side supporting rollers and the height of the bottom supporting roller can also be adjusted, the purpose that the side supporting rollers and the bottom supporting roller can support slender shafts of different specifications is achieved, the application range is wide, and the operation mode is simple and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of lathe processing auxiliary equipment, in particular to an automatic auxiliary supporting device for processing slender shafts. Background Art

[0002] When processing slender shafts, the three-jaw chuck and tail cone on the lathe should be used to fix the processing shaft. Due to the poor rigidity of the slender shaft itself, the slender shaft workpiece is very easy to deform, bend and vibrate during processing, resulting in reduced processing accuracy.

[0003] After searching, the application with patent number 201922047567.5 discloses an auxiliary device for machining slender shafts for lathes, including a base, a screw provided on the base, a rotating block threadedly connected to the screw, a support plate rotatably connected to the rotating block, and a support groove provided on the support plate, wherein the support plate is provided at the top of the rotating block, the support groove is provided in the middle of the support plate, and a rubber pad is fixed on the support plate;

[0004] Although the auxiliary device for processing slender shafts on the lathe uses a rotating block to raise the support plate to adjust the installation and fixation of the slender shaft, thereby avoiding slight bending of the slender shaft during the installation and fixation process, the specifications of the support groove of the auxiliary device for processing slender shafts on the lathe are fixed, and it cannot support slender shafts of different diameters. It has a small scope of application and limitations.

[0005] Therefore, we proposed an automatic auxiliary support device for slender shaft machining. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides an automatic auxiliary support device for slender shaft processing, which solves the problems that the specifications of the support grooves of the prior devices are fixed, the slender shafts of different diameters cannot be supported, the scope of application is small, and there are limitations.

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: an automatic auxiliary support device for slender shaft processing, comprising a U-shaped base, a slide groove is opened in the middle of the top surface of the base, and a support component is arranged in the slide groove;

[0008] The support assembly includes a double-axis motor fixedly installed in the middle of the slide slot, and two output ends of the double-axis motor are fixedly connected to a second threaded rod, and one end of the second threaded rod away from the double-axis motor is rotatably mounted on the side wall of the slide slot through a bearing ring, and the outer surface of the second threaded rod is threadedly mounted with two sliders with opposite thread directions, and the sliders are slidably mounted inside the slide slot, and a first hydraulic rod is fixedly installed in the middle of the top surfaces of the two sliders, and the output end of the first hydraulic rod is fixedly installed on the bottom surface of the first U-shaped plate, and a side support roller is rotatably mounted on the inner wall of the first U-shaped plate through a bearing ring, and a bottom support roller is arranged directly above the double-axis motor.

[0009] Preferably, a second hydraulic rod is fixedly installed in the middle of the top surface of the dual-axis motor, and a second U-shaped plate is fixedly installed on the top of the second hydraulic rod. The bottom support roller is rotatably mounted on the inner wall of the second U-shaped plate through a bearing ring, wherein the second U-shaped plate and the bottom support roller can be driven to translate up and down by the second hydraulic rod, thereby making the bottom support roller contact with the bottom of the slender shaft, and supporting the bottom of the slender shaft by the bottom support roller.

[0010] Preferably, symmetrically distributed rectangular grooves are formed through both sides of the top surface of the base, wherein an operator puts his hands into the rectangular grooves to facilitate dragging the base to move.

[0011] Preferably, the side wall of the base is threadedly connected to a first threaded rod, and one end of the first threaded rod located inside the base is rotatably connected to a rubber pad through a bearing, wherein the rubber pad can be driven to move by rotating the first threaded rod, and then the rubber pad is brought into contact with the machine tool, so that the base can be clamped and fixed on the machine tool, and the contact area with the machine tool is increased by the rubber pad, and the machine tool will not be scratched, thereby increasing the stability of the clamping and fixing.

[0012] Preferably, a handwheel is fixedly mounted on one end of the first threaded rod located outside the base, wherein the handwheel can be used to drive the first threaded rod to rotate.

[0013] Preferably, running wheels with a self-locking structure are fixedly mounted on the four corners of the bottom surface of the base, wherein the base can be easily moved by the running wheels.

[0014] The utility model provides an automatic auxiliary support device for processing slender shafts.

[0015] Beneficial effects:

[0016] 1. The automatic auxiliary support device for processing slender shafts drives the second threaded rod to rotate through a dual-axis motor, and then the slide block is translated along the inner wall of the slide groove until the side support rollers are moved to both sides of the bottom surface of the slender shaft, and then the side support rollers are pushed upward by the first hydraulic rod to make the side support rollers contact with both sides of the bottom surface of the slender shaft, and then the bottom support rollers are pushed upward by the second hydraulic rod to make the bottom support rollers contact with the middle of the bottom surface of the slender shaft. The side support rollers can limit the two sides of the bottom of the slender shaft to prevent the slender shaft from shaking, and the side support rollers and the bottom support rollers can support the bottom of the slender shaft to prevent the slender shaft from bending downward. The spacing between the two side support rollers can be adjusted, and the heights of the side support rollers and the bottom support rollers can also be adjusted, so that the side support rollers and the bottom support rollers can support slender shafts of different specifications. The application range is wide, the operation method is simple and convenient, and the problem that the specifications of the support grooves of the existing devices are fixed, the slender shafts of different diameters cannot be supported, the application range is small, and there are limitations is solved;

[0017] 2. The automatic auxiliary support device for slender shaft processing drives the first threaded rod to rotate through a hand wheel until the rubber pad contacts the side wall of the machine tool. The base can be clamped and fixed on the machine tool. The rubber pad increases the contact area with the machine tool without scratching the machine tool, thereby increasing the stability of the clamping and fixing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a side view structural schematic diagram of the utility model;

[0020] Figure 3 This is a schematic diagram of the base structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the support assembly structure of the utility model.

[0022] In the figure: 1. base; 11. slide groove; 12. rectangular groove; 13. first threaded rod; 14. rubber pad; 15. hand wheel; 16. walking wheel; 2. support assembly; 21. dual-axis motor; 22. second threaded rod; 23. slider; 24. first hydraulic rod; 25. first U-shaped plate; 26. side support roller; 27. second hydraulic rod; 28. second U-shaped plate; 29. ​​bottom support roller. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Embodiment 1:

[0025] like Figure 1-4 As shown: it includes a U-shaped base 1, a slide groove 11 is opened in the middle of the top surface of the base 1, a support assembly 2 is arranged in the slide groove 11, and the support assembly 2 includes a dual-axis motor 21 fixedly installed in the middle of the slide groove 11, and the two output ends of the dual-axis motor 21 are fixedly connected to the second threaded rod 22, and the end of the second threaded rod 22 away from the dual-axis motor 21 is rotatably sleeved on the side wall of the slide groove 11 through a bearing ring, and the outer surface of the second threaded rod 22 is threadedly sleeved with two sliders 23 with opposite thread directions, and the slider 23 The sliding sleeve is inside the slide 11, and the middle of the top surface of the two sliders 23 is fixedly installed with a first hydraulic rod 24, and the output end of the first hydraulic rod 24 is fixedly installed on the bottom surface of the first U-shaped plate 25. The inner wall of the first U-shaped plate 25 is rotatably installed with a side support roller 26 through a bearing ring. A bottom support roller 29 is arranged just above the double-axis motor 21. A second hydraulic rod 27 is fixedly installed in the middle of the top surface of the double-axis motor 21. A second U-shaped plate 28 is fixedly installed on the top of the second hydraulic rod 27. The bottom support roller 29 is fixedly installed with a second hydraulic rod 27. The bearing ring is rotated and sleeved on the inner wall of the second U-shaped plate 28, and the second threaded rod 22 is driven to rotate by the double-axis motor 21, and then the slider 23 is translated along the inner wall of the slide groove 11 until the side support rollers 26 are moved to both sides of the bottom surface of the slender shaft, and then the side support rollers 26 are pushed upward by the first hydraulic rod 24 to make the side support rollers 26 contact with both sides of the bottom surface of the slender shaft, and then the bottom support rollers 29 are pushed upward by the second hydraulic rod 27 to make the bottom support rollers 29 contact with the middle part of the bottom surface of the slender shaft, and the side support rollers 26 are pushed upward by the second hydraulic rod 27 to make the bottom support rollers 29 contact with the middle part of the bottom surface of the slender shaft. The roller 26 can limit the two sides of the bottom of the slender shaft to prevent the slender shaft from shaking, and the side support roller 26 and the bottom support roller 29 can support the bottom of the slender shaft to prevent the slender shaft from bending downward. The spacing between the two side support rollers 26 can be adjusted, and the height of the side support rollers 26 and the bottom support rollers 29 can also be adjusted, so that the side support rollers 26 and the bottom support rollers 29 can support slender shafts of different specifications, with a wide range of applications and simple and convenient operation.

[0026] Embodiment 2:

[0027] like Figure 1-3As shown: the side wall of the base 1 is threadedly connected with a first threaded rod 13, one end of the first threaded rod 13 located inside the base 1 is rotatably connected with a rubber pad 14 through a bearing, and one end of the first threaded rod 13 located outside the base 1 is fixedly installed with a hand wheel 15, and the first threaded rod 13 is driven to rotate by the hand wheel 15 until the rubber pad 14 contacts the side wall of the machine tool, so that the base 1 can be clamped and fixed on the machine tool, and the contact area with the machine tool is increased by the rubber pad 14, and the machine tool will not be scratched, thereby increasing the stability of clamping and fixing;

[0028] Embodiment 3:

[0029] like Figure 1-3 As shown: symmetrically distributed rectangular grooves 12 are opened on both sides of the top surface of the base 1, and walking wheels 16 with a self-locking structure are fixedly installed at the four corners of the bottom surface of the base 1. The operator puts his hand deep into the inside of the rectangular groove 12 to facilitate dragging the base 1 to move.

[0030] Working principle and use process of the utility model: When using the automatic auxiliary support device for slender shaft processing, the base 1 is placed on the machine tool, and then the hand wheel 15 is used to drive the first threaded rod 13 to rotate until the rubber pad 14 contacts the side wall of the machine tool, and the base 1 can be clamped and fixed on the machine tool, and then the double-axis motor 21 is started to drive the second threaded rod 22 to rotate, and then the slider 23 is translated along the inner wall of the slide groove 11 until the side support rollers 26 are moved to both sides of the bottom surface of the slender shaft, and then the first hydraulic rod is started. 24 pushes the side support roller 26 upward to make the side support roller 26 contact with both sides of the bottom surface of the slender shaft, and then starts the second hydraulic rod 27 to push the bottom support roller 29 upward to make the bottom support roller 29 contact with the middle part of the bottom surface of the slender shaft. The side support rollers 26 and the bottom support rollers 29 are respectively supported on both sides and the middle part of the bottom surface of the slender shaft. The side support rollers 26 can limit and support the slender shaft to prevent the slender shaft from shaking, and the side support rollers 26 and the bottom support rollers 29 can support the bottom of the slender shaft to prevent the slender shaft from bending downward.

[0031] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0032] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An automatic auxiliary support device for slender shaft processing, characterized in that: It comprises a U-shaped base (1), a slide groove (11) is provided in the middle of the top surface of the base (1), and a support component (2) is arranged in the slide groove (11); The support assembly (2) comprises a double-axis motor (21) fixedly mounted in the middle of the slide groove (11); two output ends of the double-axis motor (21) are fixedly connected to a second threaded rod (22); one end of the second threaded rod (22) away from the double-axis motor (21) is rotatably mounted on the side wall of the slide groove (11) through a bearing ring; two sliders (23) with opposite thread directions are threadedly mounted on the outer surface of the second threaded rod (22); the sliders (23) are slidably mounted inside the slide groove (11); a first hydraulic rod (24) is fixedly mounted in the middle of the top surfaces of the two sliders (23); the output end of the first hydraulic rod (24) is fixedly mounted on the bottom surface of a first U-shaped plate (25); a side support roller (26) is rotatably mounted on the inner wall of the first U-shaped plate (25) through a bearing ring; a bottom support roller (29) is arranged directly above the double-axis motor (21).

2. The automatic auxiliary support device for slender shaft processing according to claim 1, characterized in that: A second hydraulic rod (27) is fixedly mounted in the middle of the top surface of the dual-axis motor (21), a second U-shaped plate (28) is fixedly mounted on the top end of the second hydraulic rod (27), and the bottom support roller (29) is rotatably mounted on the inner wall of the second U-shaped plate (28) via a bearing ring.

3. The automatic auxiliary support device for machining a slender shaft according to claim 1, characterized in that: Symmetrically distributed rectangular grooves (12) are provided through both sides of the top surface of the base (1).

4. The automatic auxiliary support device for machining a slender shaft according to claim 1, characterized in that: A first threaded rod (13) is threadedly connected to the side wall of the base (1); one end of the first threaded rod (13) located inside the base (1) is rotatably connected to a rubber pad (14) via a bearing.

5. The automatic auxiliary support device for machining a slender shaft according to claim 4, characterized in that: A hand wheel (15) is fixedly mounted on one end of the first threaded rod (13) located outside the base (1).

6. The automatic auxiliary support device for machining a slender shaft according to claim 1, characterized in that: Travel wheels (16) with a self-locking structure are fixedly mounted at the four corners of the bottom surface of the base (1).

Images