CN219854121U

CN219854121U - Clamping device for nut detection

Info

Publication number: CN219854121U
Application number: CN202320740067.3U
Authority: CN
Inventors: 张伟玲; 曾现琛; 张国华; 胡家琨; 张扬
Original assignee: Qingdao Product Quality Inspection And Research Institute Qingdao Product Quality And Safety Risk Monitoring Center
Current assignee: Qingdao Product Quality Inspection And Research Institute Qingdao Product Quality And Safety Risk Monitoring Center
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-10-20
Anticipated expiration: 2033-04-06

Abstract

The utility model discloses a clamping device for nut detection, which belongs to the field of nut detection and comprises a bracket unit, wherein the bracket unit is used for installing and fixing a clamping structure to realize connection of an integral structure, the clamp units are arranged on the bracket unit, nuts are arranged between the clamp units, the nuts to be detected are clamped and fixed by the clamp units, the stability of the nuts to be detected in the detection process is ensured, the output end of the driving unit is connected with the bracket unit, the driving unit is used for driving the bracket unit to adjust the distance, so that nuts with different sizes are clamped and fixed, and a positioning part is arranged on the bracket unit. According to the nut clamping device, the rotating structure is arranged on the clamp unit of the clamping device, so that the clamping device can be fixed in the horizontal or vertical direction according to detection requirements in the nut clamping process, and the clamping device is convenient to use.

Description

Clamping device for nut detection

Technical Field

The utility model relates to a clamping device, in particular to a clamping device for nut detection.

Background

The nut is a part for tightly connecting mechanical equipment, and can be connected with bolts by threads on the inner side, so that all components which are necessary for manufacturing machines can be divided into carbon steel, stainless steel, nonferrous metals (such as copper) and the like according to different materials.

In the prior art, according to chinese patent, the patent with application number CN202022670595.5 discloses a clamping device for nut processing, and its working principle is: when the device is used, the device is moved to a designated position through the roller, then the nut body to be clamped is placed in the upper surface of the placing disc, the side clamping position is adjusted, the side clamping device is rotated to clamp the side face of the nut body, after clamping is completed, the upper clamping device is started to clamp the upper portion of the nut body, when the upper portion of the nut body is clamped, the driving cam is started, the driving cam drives the pulley to move downwards, the driving wheel rod further moves downwards, the wheel rod moves downwards to drive the pressing block to move downwards to gradually clamp the upper portion of the nut body, meanwhile, the wheel rod moves downwards to drive the stop dog to move downwards and compress the reset spring, after machining is completed, the cam continues to rotate, under the action of the reset spring, the stop dog moves upwards, and then the pressing block moves upwards, so that the nut body is loosened in the upper direction, when the side clamping is completed, the handle rotates to drive the turntable to rotate, then the threaded rod rotates to drive the adjusting block to move upwards or downwards along the sliding column, and then the clamping block moves downwards along the sliding column, when the optimal position stops rotating to move the pressing block to stop the pressing block to move downwards, the left and then the sliding block moves to the left and right along the sliding rod to drive the sliding rod to move to the left and the sliding rod to move to the left.

However, the patent with the application number of CN202022670595.5 has certain defects when in use, the nut is clamped and fixed through the clamping structures on the left side surface, the right side surface and the up-down direction, the nut can be fixed in this way, but the nut can only be fixed in the vertical direction, in the detection process of the nut, the nut needs to be detected in different directions, and the nut needs to be fixed in different angles according to the different needs of the detection tool, but the existing patent can only clamp and fix the nut in the vertical direction, and the nut cannot be adjusted in the horizontal direction or the vertical direction according to the detection needs when the nut is detected, so that the nut is not convenient and fast enough in the detection process, and the improvement of the clamping device for detecting the nut is now made.

Disclosure of Invention

The utility model aims to provide a clamping device for nut detection, which is used for solving the problem that in the prior art, nut clamping and fixing can only be carried out in a horizontal or vertical unidirectional clamping and fixing mode.

The technical aim of the utility model is realized by the following technical scheme: a clamping device for nut detection, comprising:

the bracket unit is used for installing and fixing the clamping structure to realize the connection of the whole structure;

the clamp unit is arranged on the bracket unit, nuts are arranged between the clamp units, the nuts to be tested are clamped and fixed by the clamp unit, and stability of the nuts to be tested in the detection process is ensured;

the output end of the driving unit is connected with the bracket unit, and the driving unit is used for driving the bracket unit to adjust the space, so that nuts with different sizes are clamped and fixed;

and the positioning part is arranged on the bracket unit, is positioned below the clamp unit, and is used for fixing the angle of the clamp unit in the horizontal or vertical direction.

Preferably, the support unit comprises a base, the upside of base is provided with the guide rail, the position fixed mounting that the upside of base is located guide rail one side has first mount, be provided with the second mount on the guide rail, the equal fixed mounting in upper end of first mount and second mount has the bearing frame, the lower extreme fixedly connected with slide of second mount, the bearing frame that first mount and second mount are vertical parallel distribution and first mount and second mount upper end is located same horizon, slide sliding connection is on the guide rail and the position that the second mount passes through slide and guide rail movable mounting in the base top.

Through adopting above-mentioned technical scheme, the second mount can remove through slide and guide rail to can adjust the interval between first mount and the second mount at the tight in-process of clamping of nut, and then the size adjustment interval of nut that detects as required makes it can press from both sides the tight fixed with the nut of different sizes.

Preferably, the fixture unit comprises a clamping plate, a connecting seat is fixedly connected to one side surface of the clamping plate, a connecting shaft is fixedly connected to the connecting seat, a positioning hole is formed in the outer surface of the connecting seat, an anti-slip pad is adhered to the other side surface of the clamping plate, the clamping plate is of a V-shaped structure, the included angle is the same as the included angle of the side edges of the hexagonal nut, and the connecting seat is of a rectangular column structure, and the positioning holes are formed in two adjacent side surfaces of the connecting seat.

Through adopting above-mentioned technical scheme, the contained angle of splint is the same with the contained angle of hexagon nut side, presss from both sides the nut tight through two splint, and the anchor clamps unit can rotate through the bearing frame on connecting axle and first mount and the second mount, can carry out the clamp fixing of horizontal direction and vertical direction according to the use needs when the nut presss from both sides tight detection.

Preferably, the driving unit comprises fixing rods, an installation seat is fixedly arranged at the upper ends of the fixing rods, a hydraulic cylinder is arranged on the installation seat, the output end of the hydraulic cylinder penetrates through the installation seat and is fixedly connected with an installation plate, the number of the fixing rods is two and forms a door-shaped structure with the installation seat, four screw holes which are distributed in a cross shape are formed in the installation plate, and the output end of the hydraulic cylinder is fixedly connected with the second fixing frame through the installation plate.

Through adopting above-mentioned technical scheme, the output of the pneumatic cylinder on the drive unit is connected on mobilizable second mount, utilizes the flexible of pneumatic cylinder to promote the second mount and removes to adjust the interval of first mount and second mount, and then carry out corresponding regulation according to the size of the nut that detects.

Preferably, the positioning part comprises a first positioning plate, and a bolt is arranged on the first positioning plate, penetrates through the first positioning plate and is movably connected with the first positioning plate through threads.

Through adopting above-mentioned technical scheme, after anchor clamps unit level or upset to vertical state, upwards twist the bolt, make the bolt upwards remove and insert in the locating hole of connecting seat to fix anchor clamps unit, make its level or vertical direction fixed.

Preferably, the positioning part comprises a second positioning plate, the middle position of the second positioning plate is penetrated with a plug rod, the plug rod is movably connected with the second positioning plate, the lower end of the plug rod is positioned below the second positioning plate, a limiting plate is arranged at the position, between the limiting plate and the second positioning plate, of the outside of the plug rod, and a spring is arranged at the position, between the limiting plate and the second positioning plate.

Through adopting above-mentioned technical scheme, when the angle of needs regulation anchor clamps unit, pull down the inserted bar earlier, make its upper end break away from the locating hole of connecting seat, then after adjusting the angle of anchor clamps unit, loosen the inserted bar, insert in the locating hole under the effect of retracting of spring upper end to fix anchor clamps unit, make its level or vertical direction fixed.

In summary, the nut to be detected is selected, one vertex angle of the nut is placed on the clamping plate of the clamp unit of the first fixing frame, then the hydraulic cylinder on the mounting seat is started, the hydraulic cylinder is started to extend, so that the second fixing frame is pushed to move on the guide rail through the sliding seat, the clamping plate on the clamp unit of the second fixing frame abuts against the other opposite vertex angle of the nut along with the movement of the clamp unit driven by the second fixing frame, the nut is clamped and fixed by the two clamping plates, the nut can be clamped and fixed by the movable second fixing frame by adapting to the nuts with different sizes, and after the nut is fixed, the direction of the nut can be adjusted according to the detection requirement of the nut, and the adjusting method is as follows: the positioning structure on the positioning part is separated from the positioning hole of the connecting seat, and then the two clamp units can rotate through the connecting shaft and the bearing seat, so that the horizontal or vertical direction of the clamped nut can be adjusted, and after the adjustment is finished, the positioning structure on the positioning part is sent into the positioning hole of the connecting seat, and the direction adjustment can be finished;

according to the nut clamping device, the nut on the clamp unit can be adjusted in direction through the positioning structure and the rotating structure, and the clamp unit can rotate after the positioning part is loosened, so that the nut on the clamping device can be conveniently detected in different directions according to the detection requirement of the nut, and the nut clamping device is convenient to detect and use;

according to the utility model, the nut on the clamping device can be adjusted in the horizontal or vertical direction, after the nut to be detected is clamped and fixed by the clamping device, the direction of the nut to be detected can be quickly adjusted according to the detection needs and the detection mode of the detection device, so that the nut to be detected can adapt to the detection needs of different detections, the clamping device can be conveniently used, and the detection efficiency of the nut to be detected can be effectively improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic structural view of the stand unit of the present utility model;

FIG. 3 is a schematic view of the structure of the clamp unit of the present utility model;

fig. 4 is a schematic structural view of the driving unit of the present utility model;

fig. 5 is a schematic structural view of a positioning portion according to a first embodiment of the present utility model;

fig. 6 is a schematic structural view of a positioning portion according to a second embodiment of the present utility model.

In the figure, 1, a bracket unit; 11. a base; 12. a guide rail; 13. a first fixing frame; 14. the second fixing frame; 15. a bearing seat; 16. a slide; 2. a clamp unit; 21. clamping plates, 22 and connecting seats; 23. positioning holes; 24. a connecting shaft; 25. an anti-slip pad; 3. a driving unit; 31. a fixed rod; 32. a mounting base; 33. a hydraulic cylinder; 34. a mounting plate; 4. a positioning part; 41. a first positioning plate; 42. a bolt; 43. a second positioning plate; 44. a rod; 45. a limiting plate; 46. a spring; 5. and (3) a nut.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Example 1:

as shown in fig. 1 to 4, a clamping device for nut detection comprises a bracket unit 1, two clamp units 2, a driving unit 3, a positioning part 4 and nuts 5, wherein the two clamp units 2 are respectively arranged on two fixing frames of the bracket unit, one clamp unit 2 can move on a base 1 through a sliding seat 16 of a second fixing frame 14, the second fixing frame 14 can be driven to move under the driving of a hydraulic cylinder 33 of the driving unit 3 so as to adjust the distance between the two clamp units 2, the nuts 5 to be detected are placed between clamping plates 21 of the two clamp units 2, the two clamping plates 21 are driven to move by the hydraulic cylinder 33 so as to clamp and fix the nuts 5, and after the clamping plates 21 clamp the nuts 5, the clamp units 2 can rotate through a connecting shaft 24 and a bearing seat 15 through the loosening of the positioning part 4 so as to adjust the nuts 5 horizontally or vertically.

As shown in fig. 2, the bracket unit 1 includes a base 11, a guide rail 12 is disposed on an upper side surface of the base 11, a first fixing frame 13 is fixedly mounted at a position of the upper side surface of the base 11 located at one side of the guide rail 12, a second fixing frame 14 is disposed on the guide rail 12, bearing seats 15 are fixedly mounted at upper ends of the first fixing frame 13 and the second fixing frame 14, a sliding seat 16 is fixedly connected to a lower end of the second fixing frame 14, the first fixing frame 13 and the second fixing frame 14 are vertically and parallelly distributed, the bearing seats 15 at the upper ends of the first fixing frame 13 and the second fixing frame 14 are located on the same horizontal line, the sliding seat 16 is slidably connected to the guide rail 12, the second fixing frame 14 is movably mounted at a position above the base 11 through the sliding seat 16 and the guide rail 12, and the sliding seat 16 and the guide rail 12 form a guiding structure, so that the second fixing frame 14 can move on the base 11, and nuts 5 with different sizes can be clamped and fixed in a clamping process of the nuts 5.

As shown in fig. 3, the fixture unit 2 includes a clamping plate 21, a connecting seat 22 is fixedly connected to one side of the clamping plate 21, a connecting shaft 24 is fixedly connected to the connecting seat 22, a positioning hole 23 is formed in the outer surface of the connecting seat 22, an anti-slip pad 25 is stuck to the other side of the clamping plate 21, the clamping plate 21 is of a V-shaped structure, the included angle is the same as that of the side edges of the hexagonal nut, the connecting seat 22 is of a rectangular column structure, the positioning hole 23 is formed in two adjacent side surfaces of the connecting seat 22, the nut 5 to be tested is located between the two clamping plates 21 for clamping and fixing, the anti-slip pad 25 can prevent the nut 5 from loosening in the clamping process, the fixture unit 2 can be rotated through the connecting shaft 24 on the connecting seat 22, and the positioning hole 23 is matched with the positioning part 4 to fix the nut after direction adjustment.

As shown in fig. 4, the driving unit 3 includes a fixing rod 31, an installation seat 32 is fixedly installed at the upper end of the fixing rod 31, a hydraulic cylinder 33 is provided on the installation seat 32, the output end of the hydraulic cylinder 33 penetrates through the installation seat 32 and is fixedly connected with an installation plate 34 on the output end, the number of the fixing rods 31 is two and forms a door-shaped structure with the installation seat 32, four screw holes distributed in a cross shape are formed in the installation plate 34, the output end of the hydraulic cylinder 33 is fixedly connected with the second fixing frame 14 through the installation plate 34, the output end of the hydraulic cylinder 33 is connected with the movable second fixing frame 14, and the hydraulic cylinder 33 drives the second fixing frame 14 to drive the clamping plate 21 to move, so that nuts 5 to be tested are clamped and fixed.

As shown in fig. 5, the positioning portion 4 includes a first positioning plate 41, a bolt 42 is disposed on the first positioning plate 41, the bolt 42 penetrates through the first positioning plate 41 and is movably connected with the first positioning plate 41 through threads, when the nut 5 on the clamping device needs to be adjusted in direction, the bolt 42 is rotated first, the upper end of the bolt 42 is separated from the positioning hole 23 of the connecting seat 22, then the direction rotation adjustment can be performed, and after the adjustment, the bolt 42 is screwed into the positioning hole 23.

Working principle: when the clamping device for nut detection is used, one vertex angle of the nut 5 is placed on the clamping plate 21 of the clamp unit 2 of the first fixing frame 13, then the hydraulic cylinder 33 on the mounting seat 32 is started, the hydraulic cylinder 33 is started to extend, so that the second fixing frame 14 is pushed to move on the guide rail 12 through the sliding seat 16, the clamping plate 21 on the clamp unit 2 of the second fixing frame 14 abuts against the other opposite vertex angle of the nut along with the movement of the clamp unit 2 driven by the second fixing frame 14, so that the two clamping plates clamp and fix the nut 5, the movable second fixing frame 14 can adapt to the nuts 5 with different sizes to clamp and fix the nut 5, and after the nut 5 is fixed, the direction of the nut 5 can be adjusted according to the detection requirement of the nut 5, and the adjusting method comprises the following steps: the bolt 42 is rotated first to separate the upper end from the positioning hole 23 of the connecting seat 22, then the direction rotation adjustment can be performed, and after the adjustment, the bolt 42 is screwed into the positioning hole 23.

Example 2:

as shown in fig. 6, a clamping device for detecting nuts is different from embodiment 1 in that the positioning portion 4 in embodiment 2 is different from embodiment 1 in that the positioning portion 4 includes a second positioning plate 43, a plug rod 44 is inserted into the middle position of the second positioning plate 43, the plug rod 44 is movably connected with the second positioning plate 43, a limiting plate 45 is disposed at a position of the lower end of the plug rod 44 below the second positioning plate 43, a spring 46 is disposed at a position of the outer part of the plug rod 44 between the limiting plate 45 and the second positioning plate 43, when the angle of the clamp unit 2 needs to be adjusted, the plug rod 44 is pulled down to separate the upper end from the positioning hole 23 of the connecting seat 22, then after the angle of the clamp unit 2 is adjusted, the plug rod 44 is released, and the upper end of the plug rod 44 is inserted into the positioning hole 23 under the retraction action of the spring 46, thereby fixing the clamp unit 2 in a horizontal or vertical direction.

The principle of this embodiment is similar to embodiment 1, with the main differences: in embodiment 1, after the direction of the clamp unit 2 is adjusted, the bolt 32 is screwed to fix the direction, and in this embodiment, the spring 46 fixes the clamp unit 2, and other principles are the same as those of embodiment 1, and will not be described here.

Claims

1. A clamping device for nut detection is characterized by comprising,

the bracket unit (1) is used for installing and fixing the clamping structure by utilizing the bracket unit (1) so as to realize the connection of the whole structure;

the fixture unit (2), the fixture unit (2) is arranged on the bracket unit (1), nuts (5) are arranged between the fixture units (2), the nuts (5) to be tested are clamped and fixed by the fixture unit (2), and stability of the nuts (5) to be tested in the detection process is guaranteed;

the driving unit (3), the output end of the driving unit (3) is connected with the bracket unit (1), and the driving unit (3) is used for driving the bracket unit to adjust the space, so that nuts (5) with different sizes are clamped and fixed;

the positioning part (4), positioning part (4) sets up on support unit (1), and positioning part (4) are located the position of anchor clamps unit (2) below, utilize positioning part (4) to fix the angle of anchor clamps unit (2), make it fix in horizontal or vertical direction.

2. The clamping device for nut detection as defined in claim 1, wherein: the support unit (1) comprises a base (11), a guide rail (12) is arranged on the upper side face of the base (11), a first fixing frame (13) is fixedly arranged at the position, located on one side of the guide rail (12), of the upper side face of the base (11), a second fixing frame (14) is arranged on the guide rail (12), bearing seats (15) are fixedly arranged at the upper ends of the first fixing frame (13) and the second fixing frame (14), and a sliding seat (16) is fixedly connected with the lower end of the second fixing frame (14).

3. The clamping device for nut detection as defined in claim 2, wherein: the first fixing frames (13) and the second fixing frames (14) are vertically and parallelly distributed, bearing seats (15) at the upper ends of the first fixing frames (13) and the second fixing frames (14) are located on the same horizontal line, the sliding seat (16) is slidably connected to the guide rail (12), and the second fixing frames (14) are movably mounted at positions above the base (11) through the sliding seat (16) and the guide rail (12).

4. The clamping device for nut detection as defined in claim 1, wherein: the clamp unit (2) comprises a clamping plate (21), a connecting seat (22) is fixedly connected to one side face of the clamping plate (21), a connecting shaft (24) is fixedly connected to the connecting seat (22), a positioning hole (23) is formed in the outer surface of the connecting seat (22), and an anti-slip pad (25) is adhered to the other side face of the clamping plate (21).

5. The clamping device for nut detection as defined in claim 4, wherein: the clamping plate (21) is of a V-shaped structure, the included angle of the clamping plate is the same as the included angle of the side edge of the hexagonal nut, the connecting seat (22) is of a rectangular column structure, and the positioning holes (23) are formed in two adjacent side faces of the connecting seat (22).

6. The clamping device for nut detection as defined in claim 1, wherein: the driving unit (3) comprises a fixing rod (31), an installation seat (32) is fixedly arranged at the upper end of the fixing rod (31), a hydraulic cylinder (33) is arranged on the installation seat (32), and the output end of the hydraulic cylinder (33) penetrates through the installation seat (32) and is fixedly connected with a mounting plate (34).

7. The clamping device for nut detection as defined in claim 6, wherein: the number of the fixing rods (31) is two, a door-shaped structure is formed with the mounting seat (32), four screw holes distributed in a cross shape are formed in the mounting plate (34), and the output end of the hydraulic cylinder (33) is fixedly connected with the second fixing frame (14) through the mounting plate (34).

8. The clamping device for nut detection as defined in claim 1, wherein: the positioning part (4) comprises a first positioning plate (41), a bolt (42) is arranged on the first positioning plate (41), and the bolt (42) penetrates through the first positioning plate (41) and is movably connected with the first positioning plate (41) through threads.

9. The clamping device for nut detection as defined in claim 1, wherein: the locating part (4) comprises a second locating plate (43), a plug rod (44) penetrates through the middle position of the second locating plate (43) and is movably connected with the second locating plate (43), a limiting plate (45) is arranged at the position, located below the second locating plate (43), of the lower end of the plug rod (44), and a spring (46) is arranged at the position, located between the limiting plate (45) and the second locating plate (43), of the outer portion of the plug rod (44).