Shaft part straightness detection device

Abstract

The utility model discloses a straightness detection device for shaft parts, which comprises a base, two groups of symmetrically distributed mounting racks are arranged above the base, a movable rack is arranged above the base, three groups of annularly distributed first adjusting racks are arranged in the mounting racks, first suckers are mounted on the three groups of first adjusting racks, and the first suckers are arranged on the movable rack. The mounting frame is internally provided with three groups of first screw rods which are distributed corresponding to the first adjusting frames, the mounting frame is internally provided with three groups of second adjusting frames which are annularly distributed, the three groups of second adjusting frames are all provided with second suction cups, and the first suction cups and the second suction cups are oppositely arranged; three sets of second screw rods distributed corresponding to the second adjusting frames are arranged in the mounting frames, and the two sets of symmetrically-distributed mounting frames are matched with the first adjusting frames, the second adjusting frames, the first suction cups and the second suction cups to fix the center positions of the shaft parts of any size. And two ends of the shaft part are fixed on the same horizontal line.

Description

TECHNICAL FIELD

[0001] The utility model relates to straightness detection technical field, concretely is a kind of shaft parts straightness detection device. BACKGROUND

[0002] The straightness detection of shaft parts is an important link to ensure the quality of parts, and the main methods include light barrier method, gauge method, indicating table method, shaft automatic straightening machine, ruler method or gravity method, etc. As an important component in mechanical equipment, the straightness of shaft parts directly affects the operating performance and service life of the equipment. The existence of straightness error can cause unnecessary friction and wear during the rotation of the shaft, thereby affecting the accuracy and efficiency of the equipment.

[0003] In the prior art, the shaft parts need to be fixed at both ends before using the straightness detection device for straightness detection. During the fixing process of the shaft parts, it cannot be guaranteed that the two ends are on the same horizontal line and the same center position, thereby reducing the accuracy of the straightness detection of the shaft parts. Moreover, some solid dirt adhered to the surface of the shaft parts during the detection process cannot be removed manually, which also seriously affects the accuracy of the straightness detection of the shaft parts. SUMMARY

[0004] The utility model aims at providing a kind of shaft parts straightness detection device to solve the problems raised in the above background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of shaft parts straightness detection device, including base, the base top is equipped with two groups of symmetrical distribution mounting bracket, the base top is equipped with moving frame, the mounting bracket is equipped with three groups of annular distribution first adjusting frame, three groups the first adjusting frame all are installed with first suction disc, the mounting bracket is equipped with three groups with first adjusting frame corresponding distribution first screw rod, three groups the first screw rod all are through mounting bracket and are connected with mounting bracket rotation by bearing, three groups the first screw rod all are through corresponding first adjusting frame and are respectively connected with corresponding first adjusting frame screw, the mounting bracket is equipped with three groups of annular distribution second adjusting frame, three groups the second adjusting frame all are installed with second suction disc, the first suction disc and second suction disc are oppositely arranged, the mounting bracket is equipped with three groups with second adjusting frame corresponding distribution second screw rod, three groups the second screw rod all are through mounting bracket and are connected with mounting bracket rotation by bearing, three groups the second screw rod all are through corresponding second adjusting frame and are respectively connected with corresponding second adjusting frame screw, the moving frame is equipped with detection mechanism, the moving frame is rotatably installed with mounting ring by bearing, the mounting ring is equipped with multiple groups of annular distribution adjusting rod, multiple groups the adjusting rod all are installed with cleaning block.

[0006] As a further preferred of the technical solution, the first screw is sleeved with a first bevel gear, the mounting frame is provided with three groups of second bevel gears corresponding to the first bevel gear, the second bevel gears are rotatably connected to the mounting frame through shafts, the second bevel gears are meshingly connected with the first bevel gears, the second bevel gears are fixedly provided with first gears, the mounting frame is provided with a first tooth ring, the first tooth ring is rotatably connected to the mounting frame through a bearing, and the first tooth ring is meshingly connected with the three groups of first gears.

[0007] As a further preferred of the technical solution, the second screw is sleeved with a third bevel gear, the mounting frame is provided with three groups of fourth bevel gears corresponding to the third bevel gear, the fourth bevel gears are rotatably connected to the mounting frame through shafts, the fourth bevel gears are meshingly connected with the third bevel gears, the fourth bevel gears are fixedly provided with second gears, the mounting frame is provided with a second tooth ring, the second tooth ring is rotatably connected to the mounting frame through a bearing, and the second tooth ring is meshingly connected with the three groups of second gears.

[0008] As a further preferred of the technical solution, the base is provided with a bidirectional screw rod, the two ends of the bidirectional screw rod penetrate through the base and are rotatably connected to the base, the two ends of the bidirectional screw rod penetrate through the two groups of mounting frames and are threadedly connected to the two groups of mounting frames, the base is provided with two groups of symmetrically distributed threaded rods, the two ends of the threaded rods penetrate through the base and are rotatably connected to the base, the threaded rods penetrate through the moving frame and are threadedly connected to the moving frame, the left ends of the threaded rods are sleeved with synchronous wheels, the base is provided with a synchronous belt, and the synchronous belt is drivingly connected to the two groups of synchronous wheels.

[0009] As a further preferred of the technical solution, the mounting frame and the moving frame are slidingly connected to the base, the three groups of first adjusting frames are slidingly connected to the mounting frame, and the three groups of second adjusting frames are slidingly connected to the mounting frame.

[0010] As a further preferred of the technical solution, the mounting ring is sleeved with a third tooth ring, the moving frame is provided with a third gear, the third gear is rotatably connected to the moving frame through a shaft, the third gear is meshingly connected with the third tooth ring, the mounting ring is provided with a rotating ring, the rotating ring is rotatably connected to the mounting ring through a bearing, and the rotating ring is provided with internal teeth and external teeth.

[0011] As a further preferred of the technical solution, the mounting ring is provided with a driving wheel, the driving wheel is rotatably connected to the mounting ring through a shaft, the driving wheel is meshingly connected with the rotating ring through the internal teeth, a plurality of adjusting rods are rotatably connected to the mounting ring, the adjusting rods are sleeved with meshing teeth, and the meshing teeth are meshingly connected with the rotating ring through the external teeth.

[0012] The utility model provides a kind of straightness detection device of shaft parts, with following beneficial effects:

[0013] (1) the utility model discloses the center position of the shaft part of any size is fixed by the first adjusting frame, the second adjusting frame and the first suction cup and the second suction cup of the two groups of symmetrically distributed mounting frames, ensure that the both ends of the shaft part are fixed on the same horizontal line, avoid the error of straightness detection caused by the difference of the fixed height of the both ends of the shaft part;The rotation of the second bevel gear and the fourth bevel gear fixedly installed with the first gear and the second gear is driven by the two groups of motors in the mounting frame respectively, and then the rotation of the first screw is driven by the first bevel gear meshing connection with the second bevel gear, the third bevel gear meshing connection with the fourth bevel gear drives the rotation of the second screw, and the diameter of the range surrounded between the three groups of first adjusting frame and the three groups of second adjusting frame is adjusted under the limiting action of the mounting frame, and then the three groups of first suction cup are adsorbed on the outer wall of the shaft part, and the three groups of second suction cup are adsorbed on the inner wall of the shaft part, to realize the center position clamping of the shaft part, since the height of the two groups of mounting frames is same, and the distance between the three groups of first adjusting frame and the three groups of second adjusting frame is adjustable, the detection device can clamp the both ends of the shaft part of different models at the same height and the same horizontal line, to avoid the detection error caused by the fixed height difference.

[0014] (2) the utility model discloses the installation ring, the rotating ring, the adjusting rod and the cleaning block are arranged to clean the surface impurities during the detection of the shaft part, to reduce the error of straightness detection caused by impurities adhesion;During the detection of the part, the mounting frame drives the detection mechanism to move uniformly on the base, simultaneously, the motor in the installation ring drives the rotation of the driving wheel, and the rotating ring is rotated by cooperating with the internal gear, and the adjusting rod and the cleaning block are rotated synchronously by cooperating with the external gear and the meshing gear, and are attached to the surface of the corresponding shaft part, then the motor is started to drive the third gear to rotate, and the installation ring drives the cleaning block to rotate on the surface of the shaft part by cooperating with the third gear ring, and the mounting frame during movement realizes the cleaning of the surface impurities of the shaft part. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic view of the utility model;

[0016] Figure 2 It is the structure schematic view of the base of the utility model;

[0017] Figure 3 It is the structure schematic view of the mounting frame of the utility model;

[0018] Figure 4 It is theFigure 3 Structure enlarged view at A;

[0019] Figure 5 The utility model discloses a mounting ring Figure 3 Structure enlarged view at B;

[0020] Figure 6 Structure schematic view of mounting ring of the utility model;

[0021] In the drawing: 1, base; 2, mounting frame; 3, moving frame; 4, bidirectional screw rod; 5, threaded rod; 6, synchronous wheel; 7, synchronous belt; 8, first adjusting frame; 9, first suction disc; 10, second adjusting frame; 11, second suction disc; 12, first gear ring; 13, first screw rod; 14, first bevel gear; 15, second bevel gear; 16, first gear; 17, second gear ring; 18, second screw rod; 19, third bevel gear; 20, fourth bevel gear; 21, second gear; 22, mounting ring; 23, rotating ring; 24, inner tooth; 25, outer tooth; 26, adjusting rod; 27, cleaning block; 28, meshing tooth; 29, driving wheel; 30, third gear ring; 31, third gear; 32, detection mechanism. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0023] The utility model provides technical schemes: such as Figures 1-5As shown in the embodiment, a straightness detection device for shaft parts includes a base 1, two sets of symmetrically distributed mounting racks 2 are arranged above the base 1, a moving frame 3 is arranged above the base 1, three sets of annularly distributed first adjusting racks 8 are arranged in the mounting rack 2, a first suction disc 9 is arranged on each of the three sets of first adjusting racks 8, three sets of first screws 13 corresponding to the first adjusting racks 8 are arranged in the mounting rack 2, the three sets of first screws 13 all penetrate through the mounting rack 2 and are rotatably connected with the mounting rack 2 through bearings, the three sets of first screws 13 all penetrate through the corresponding first adjusting racks 8 and are threadedly connected with the corresponding first adjusting racks 8 respectively, three sets of annularly distributed second adjusting racks 10 are arranged in the mounting rack 2, a second suction disc 11 is arranged on each of the three sets of second adjusting racks 10, the first suction disc 9 and the second suction disc 11 are oppositely arranged, three sets of second screws 18 corresponding to the second adjusting racks 10 are arranged in the mounting rack 2, the three sets of second screws 18 all penetrate through the mounting rack 2 and are rotatably connected with the mounting rack 2 through bearings, the three sets of second screws 18 all penetrate through the corresponding second adjusting racks 10 and are threadedly connected with the corresponding second adjusting racks 10 respectively, a first bevel gear 14 is sleeved on each of the three sets of first screws 13, three sets of second bevel gears 15 corresponding to the first bevel gears 14 are arranged in the mounting rack 2, the three sets of second bevel gears 15 are all rotatably connected with the mounting rack 2 through shafts, the three sets of second bevel gears 15 are all meshingly connected with the first bevel gears 14, a first gear 16 is fixedly arranged on each of the three sets of second bevel gears 15, a first tooth ring 12 is arranged in the mounting rack 2, the first tooth ring 12 is rotatably connected with the mounting rack 2 through a bearing, the first tooth ring 12 is meshingly connected with the three sets of first gears 16, a third bevel gear 19 is sleeved on each of the three sets of second screws 18, three sets of fourth bevel gears 20 corresponding to the third bevel gears 19 are arranged in the mounting rack 2, the three sets of fourth bevel gears 20 are all rotatably connected with the mounting rack 2 through shafts, the three sets of fourth bevel gears 20 are all meshingly connected with the third bevel gears 19, a second gear 21 is fixedly arranged on each of the three sets of fourth bevel gears 20, a second tooth ring 17 is arranged in the mounting rack 2, the second tooth ring 17 is rotatably connected with the mounting rack 2 through a bearing, the second tooth ring 17 is meshingly connected with the three sets of second gears 21, a bidirectional screw 4 is arranged in the base 1, both ends of the bidirectional screw 4 penetrate through the base 1 and are rotatably connected with the base 1, both ends of the bidirectional screw 4 penetrate through the two sets of mounting racks 2 and are threadedly connected with the two sets of mounting racks 2 respectively, two sets of screw rods 5 are symmetrically arranged in the base 1, both ends of the two sets of screw rods 5 penetrate through the base 1 and are rotatably connected with the base 1, the two sets of screw rods 5 penetrate through the moving frame 3 and are threadedly connected with the moving frame 3, a synchronous wheel 6 is sleeved on the left end of each of the two sets of screw rods 5, a synchronous belt 7 is arranged in the base 1, the synchronous belt 7 is drivingly connected with the two sets of synchronous wheels 6 respectively, the mounting rack 2 and the moving frame 3 are slidingly connected with the base 1, the three sets of first adjusting racks 8 are slidingly connected with the mounting rack 2, the three sets of second adjusting racks 10 are slidingly connected with the mounting rack 2.

[0024] The center position of the shaft part of any size is fixed by the two groups of symmetrically distributed mounting racks 2 cooperating with the first adjusting rack 8, the second adjusting rack 10 and the first suction cup 9 and the second suction cup 11, the two ends of the shaft part are fixed on the same horizontal line, and the error of straightness detection caused by the difference in the fixing height of the two ends of the shaft part is avoided.

[0025] As shown in Figure 1 and Figure 6 , the detection mechanism 32 is arranged on the moving frame 3, the mounting ring 22 is rotatably arranged on the moving frame 3 through a bearing, a plurality of groups of adjusting rods 26 are arranged on the mounting ring 22 in a ring shape, the cleaning blocks 27 are arranged on the plurality of groups of adjusting rods 26, the third gear ring 30 is sleeved on the mounting ring 22, the third gear 31 is arranged on the moving frame 3 and is rotatably connected to the moving frame 3 through a rotating shaft, the third gear 31 is in meshing connection with the third gear ring 30, the rotating ring 23 is arranged in the mounting ring 22 and is rotatably connected to the mounting ring 22 through a bearing, the inner teeth 24 and the outer teeth 25 are arranged on the rotating ring 23, the driving wheel 29 is arranged in the mounting ring 22 and is rotatably connected to the mounting ring 22 through a rotating shaft, the driving wheel 29 is in meshing connection with the rotating ring 23 through the inner teeth 24, the plurality of groups of adjusting rods 26 are rotatably connected to the mounting ring 22, the meshing teeth 28 are sleeved on the plurality of groups of adjusting rods 26, and the meshing teeth 28 are in meshing connection with the rotating ring 23 through the outer teeth 25.

[0026] The mounting ring 22 and the rotating ring 23, the adjusting rods 26 and the cleaning blocks 27 are arranged to clean the surface impurities of the shaft part during detection, reduce the error of straightness detection caused by impurities, and the detection mechanism 32 is uniformly moved on the base 1 by the mounting rack 2 during detection of the part, at the same time, the motor in the mounting ring 22 drives the rotation of the driving wheel 29, the rotating ring 23 is rotated by cooperating with the inner teeth 24, and the plurality of groups of adjusting rods 26 drive the synchronous rotation of the cleaning blocks 27 by cooperating with the outer teeth 25 and the meshing teeth 28, which are attached to the surface of the corresponding shaft part, then the motor drives the rotation of the third gear 31, the mounting ring 22 drives the rotation of the plurality of groups of cleaning blocks 27 on the surface of the shaft part by cooperating with the third gear ring 30, and the surface impurities of the shaft part are cleaned by cooperating with the moving process of the mounting rack 2.

[0027] The utility model provides a kind of shaft parts straightness detection device, specific working principle is as follows: by the rotation of one group of first gear 16, second gear 21 and the second bevel gear 15 and fourth bevel gear 20 fixedly installed with first gear 16 and second gear 21 being driven by two groups of motors in mounting bracket 2 respectively, further by the rotation of first screw rod 13 being driven by first bevel gear 14 being engaged with second bevel gear 15, by the rotation of second screw rod 18 being driven by third bevel gear 19 being engaged with fourth bevel gear 20, and the diameter size of the range surrounded between three groups of first adjusting frame 8 and three groups of second adjusting frame 10 is adjusted under the limiting effect of mounting bracket 2, further so that three groups of first suction cup 9 are adsorbed at the outer wall of shaft part, three groups of second suction cup 11 are adsorbed in the inner wall of shaft part, realize the center position clamping of shaft part, since the height of two groups of mounting bracket 2 is same, and the distance between three groups of first adjusting frame 8 and three groups of second adjusting frame 10 is adjustable, so that the detection device can carry out the center position clamping of the same height and the same horizontal line of both ends of shaft part of different models, avoid the detection error caused by fixed height difference, in the process of detecting the part, mounting bracket 2 drives detection mechanism 32 to move at uniform speed on base 1, synchronously, the rotation of driving wheel 29 being driven by the motor in mounting ring 22 is started, and cooperation inner tooth 24 makes the rotation of rotary ring 23, cooperation outer tooth 25 and engagement tooth 28 make the synchronous rotation of multiple groups of annular distribution adjusting rod 26 drive cleaning block 27, adhere to the surface of corresponding shaft part, then start motor to drive the rotation of third gear 31, cooperate third gear ring 30 to make mounting ring 22 drive multiple groups of cleaning block 27 to rotate on the surface of shaft part, cooperate mounting bracket 2 in moving process to realize the cleaning of impurity on the surface of shaft part.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A straightness detection device for shaft parts, comprising a base (1), characterized in that: The base (1) is provided with two groups of symmetrically distributed mounting racks (2), the base (1) is provided with a moving frame (3), the mounting rack (2) is provided with three groups of annularly distributed first adjusting racks (8), the first adjusting rack (8) is provided with a first suction disc (9), the mounting rack (2) is provided with three groups of first screws (13) corresponding to the first adjusting rack (8), the first screw (13) is provided with a bearing and is rotatably connected with the mounting rack (2), the first screw (13) is provided with a bearing and is rotatably connected with the mounting rack (2), the first screw (13) is provided with a bearing and is rotatably connected with the mounting rack (2), the first screw (13) is provided with a bearing and is rotatably connected with the mounting rack (2), the mounting rack (2) is provided with three groups of annularly distributed second adjusting racks (10), the second adjusting rack (10) is provided with a second suction disc (11), the first suction disc (9) and the second suction disc (11) are oppositely arranged, the mounting rack (2) is provided with three groups of second screws (18) corresponding to the second adjusting rack (10), the second screw (18) is provided with a bearing and is rotatably connected with the mounting rack (2), the second screw (18) is provided with a bearing and is rotatably connected with the mounting rack (2), the second screw (18) is provided with a bearing and is rotatably connected with the mounting rack (2), the second screw (18) is provided with a bearing and is rotatably connected with the mounting rack (2), the moving frame (3) is provided with a detection mechanism (32), the moving frame (3) is rotatably connected with a mounting ring (22) through a bearing, the mounting ring (22) is provided with a plurality of groups of annularly distributed adjusting rods (26), and the adjusting rod (26) is provided with a cleaning block (27).

2. The straightness detection device for shaft parts according to claim 1, characterized by: The first screw (13) is provided with a first bevel gear (14), the mounting rack (2) is provided with three groups of second bevel gears (15) corresponding to the first bevel gear (14), the second bevel gear (15) is rotatably connected with the mounting rack (2) through a rotating shaft, the second bevel gear (15) is rotatably connected with the mounting rack (2) through a rotating shaft, the second bevel gear (15) is rotatably connected with the mounting rack (2) through a rotating shaft, the second bevel gear (15) is rotatably connected with the mounting rack (2) through a rotating shaft, the mounting rack (2) is provided with a first gear ring (12), the first gear ring (12) is rotatably connected with the mounting rack (2) through a bearing, and the first gear ring (12) is rotatably connected with the mounting rack (2) through a bearing.

3. The straightness detection device for shaft parts according to claim 1, characterized in that: The second screw (18) is provided with a third bevel gear (19), the mounting rack (2) is provided with three groups of fourth bevel gears (20) corresponding to the third bevel gear (19), the fourth bevel gear (20) is rotatably connected with the mounting rack (2) through a rotating shaft, the fourth bevel gear (20) is rotatably connected with the mounting rack (2) through a rotating shaft, the fourth bevel gear (20) is rotatably connected with the mounting rack (2) through a rotating shaft, the fourth bevel gear (20) is rotatably connected with the mounting rack (2) through a rotating shaft, the mounting rack (2) is provided with a second gear ring (17), the second gear ring (17) is rotatably connected with the mounting rack (2) through a bearing, and the second gear ring (17) is rotatably connected with the mounting rack (2) through a bearing.

4. The straightness detection device for shaft parts according to claim 1, characterized by: The base (1) is internally provided with a bidirectional screw rod (4), both ends of the bidirectional screw rod (4) respectively penetrate the base (1) and are rotationally connected with the base (1), both ends of the bidirectional screw rod (4) respectively penetrate two groups of mounting frames (2) and are threadedly connected with the two groups of mounting frames (2), the base (1) is internally provided with two groups of symmetrically distributed threaded rods (5), both ends of the two groups of threaded rods (5) respectively penetrate the base (1) and are rotationally connected with the base (1), the two groups of threaded rods (5) respectively penetrate the moving frame (3) and are threadedly connected with the moving frame (3), the left ends of the two groups of threaded rods (5) are all sleeved with synchronous wheels (6), the base (1) is internally provided with a synchronous belt (7), and the synchronous belt (7) is respectively in transmission connection with the two groups of synchronous wheels (6).

5. The straightness detection device for shaft parts according to claim 1, characterized in that: The mounting frame (2) and the moving frame (3) are both in sliding connection with the base (1), the three groups of first adjusting frames (8) are all in sliding connection with the mounting frame (2), and the three groups of second adjusting frames (10) are all in sliding connection with the mounting frame (2).

6. The straightness detection device for shaft parts according to claim 1, characterized by: The mounting ring (22) is sleeved with a third gear ring (30), the moving frame (3) is provided with a third gear wheel (31), the third gear wheel (31) is rotationally connected with the moving frame (3) through a rotating shaft, the third gear wheel (31) is in meshing connection with the third gear ring (30), the mounting ring (22) is internally provided with a rotating ring (23), the rotating ring (23) is rotationally connected with the mounting ring (22) through a bearing, and the rotating ring (23) is provided with an inner gear (24) and an outer gear (25).

7. The straightness detection device for shaft parts according to claim 1, characterized by: The mounting ring (22) is internally provided with a driving wheel (29), the driving wheel (29) is rotationally connected with the mounting ring (22) through a rotating shaft, the driving wheel (29) is in meshing connection with the rotating ring (23) through the inner gear (24), a plurality of groups of adjusting rods (26) are all rotationally connected with the mounting ring (22), and the plurality of groups of adjusting rods (26) are all sleeved with meshing teeth (28), and the meshing teeth (28) are in meshing connection with the rotating ring (23) through the outer gear (25).

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