Go-no go gauge calibration device

Abstract

The utility model discloses a go-no go gauge calibration device, relates to the field of go-no go gauges, and solves the problems that when calibration is carried out through go-no go gauges, measurement needs to be carried out one by one, the workload is large, the calibration efficiency is low, and calibration cannot be rapidly completed, the go-no go gauge calibration device comprises a mounting block, and a test assembly is arranged on one side of the mounting block and comprises a rotating shaft; the rotating shaft is rotatably connected to the interior of the mounting block, one end of the rotating shaft is fixedly connected with a concave frame, the side wall of the concave frame is rotatably connected with a go-no go gauge body, the outer wall of the go-no go gauge body is fixedly connected with a gear, and an electric telescopic rod is fixedly mounted in the mounting block. The movable end of the electric telescopic rod is fixedly connected with a rack, and the rack is meshed with the gear. The electric telescopic rod is started to drive the rack to move, the rack can drive the gear to rotate, the gear can drive the go-no go gauge body to rotate, and then the nut can be in threaded connection with one end of the go-no go gauge body for testing.

Description

Technical Field

[0001] The utility model relates to the technical field of go and no-go gauges, in particular to a go and no-go gauge calibration device. Background Art

[0002] Go and no-go gauges are a general-purpose measuring tool for measuring threads. They are mainly used to measure thread diameters, pitches and other dimensional parameters. It is a type of gauge used in situations where large quantities of products are being measured to save time and improve efficiency. Go and no-go gauges consist of two parts: a go gauge and a no-go gauge. Go gauge: used to check the lower limit of the allowable deviation of the hole diameter. It can rotate freely at any position of the thread. If the go gauge cannot pass through the hole, it indicates that the thread center diameter is too large and the product is unqualified. No-go gauge: used to check the upper limit of the allowable deviation of the hole diameter. The no-go gauge usually stops rotating after one or two turns. If the no-go gauge can be smoothly screwed into the measured threaded hole for 2.5 turns or more, it indicates that the product is unqualified. The working principle of the go and no-go gauge is based on the limit size judgment principle. It determines whether the part exceeds the maximum or minimum size by inspecting the through end and the no-go end, thereby determining whether the part is qualified.

[0003] The hexagonal nuts commonly seen in our lives are measured using go and no-go gauges. However, when the nuts are calibrated using go and no-go gauges, they need to be measured one by one, which is labor-intensive, has low calibration efficiency, and cannot be quickly completed.

[0004] To this end, the utility model provides a go / no-go gauge calibration device to solve the above problem. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the problems existing in the above-mentioned prior art, the utility model provides a go / no-go gauge calibration device, which solves the above-mentioned problems. By starting the electric telescopic rod to drive the rack to move, the rack can drive the gear to rotate, and the gear will drive the go / no-go gauge body to rotate, so that the nut can be threadedly connected to one end of the go / no-go gauge body for testing; by starting the cylinder, the sliding plate can be moved to one side, and then the first servo motor can be started to drive the worm to rotate, and then the worm wheel can be driven to rotate, and the worm wheel can drive the rotating shaft to rotate, so that the other end of the go / no-go gauge body can be adjusted to the bottom for testing the other end.

[0007] (II) Technical solution

[0008] To achieve the above purpose, the utility model is implemented through the following technical solutions: a go / no-go gauge calibration device, comprising a mounting block, a test assembly is arranged on one side of the mounting block, a power assembly is arranged at one end of the test assembly, and an auxiliary assembly is arranged on one side of the mounting block;

[0009] The test assembly includes a rotating shaft, which is rotatably connected to the inside of the mounting block, one end of the rotating shaft is fixedly connected to a concave frame, the side wall of the concave frame is rotatably connected to a go / no-go gauge body, the outer wall of the go / no-go gauge body is fixedly connected to a gear, an electric telescopic rod is fixedly installed inside the mounting block, the movable end of the electric telescopic rod is fixedly connected to a rack, and the rack is meshed with the gear.

[0010] As a preferred solution of the go / no-go gauge calibration device described in the utility model, the power assembly includes a worm gear, the worm gear is fixedly connected to one end of the rotating shaft, one side of the mounting block is fixedly connected to a first servo motor, one side of the mounting block is also fixedly connected to an auxiliary block, one side of the auxiliary block is rotatably connected to a worm, the output shaft belonging to the first servo motor is fixedly connected to one end of the worm, and the worm is meshing with the worm gear.

[0011] By adopting the above technical solution, power is provided to rotate the rotating shaft so as to adjust the positions of the two ends of the go / no-go gauge body.

[0012] As a preferred solution of the go / no-go gauge calibration device described in the utility model, the auxiliary component includes a limiting slide groove, the limiting slide groove is fixedly connected to one side of the mounting block, the two limiting slide grooves are internally slidably connected with a sliding plate, the mounting block is internally fixedly installed with a cylinder, and the movable end of the cylinder is fixedly connected to one side of the sliding plate.

[0013] By adopting the above technical solution, other main components can be installed and their horizontal movement can be controlled.

[0014] As a preferred solution of the go / no-go gauge calibration device of the utility model, the top of the sliding plate is fixedly connected to an assembly frame, and the top of the assembly frame is fixedly installed with a second servo motor.

[0015] By adopting the above technical solution, power is provided to control the rotation of the screw rod.

[0016] As a preferred solution of the go / no-go gauge calibration device described in the utility model, a screw is rotatably connected between the inner wall of the assembly frame and the sliding plate, a limiting rod is fixedly connected to the top of the sliding plate, a nut block is threadedly connected to the outer wall of the screw, and one end of the nut block is slidably connected to the limiting rod.

[0017] By adopting the above technical solution, the nut block can be moved up and down to control the distance between the nut to be detected and the go / no-go gauge body.

[0018] As a preferred solution of the go / no-go gauge calibration device of the utility model, a groove is provided on the top of the nut block.

[0019] By adopting the technical solution, the hexagonal nut block can be placed and fixed.

[0020] (III) Beneficial effects

[0021] The utility model provides a go / no-go gauge calibration device, which has the following beneficial effects:

[0022] 1. The go / no-go gauge calibration device starts the electric telescopic rod to drive the rack to move, and the rack can drive the gear to rotate, and the gear will drive the go / no-go gauge body to rotate, so that the nut can be threadedly connected with one end of the go / no-go gauge body for testing.

[0023] 2. The go / no-go gauge calibration device can move the sliding plate to one side by starting the cylinder, and then start the first servo motor to drive the worm to rotate, and then drive the worm wheel to rotate, and the worm wheel can drive the rotating shaft to rotate, so that the other end of the go / no-go gauge body can be adjusted to the bottom for testing the other end. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0025] Figure 1 It is the overall structure diagram of the utility model.

[0026] Figure 2 It is a structural side view of the utility model.

[0027] Figure 3 It is an enlarged view of the structure of point A of the utility model.

[0028] Figure 4 It is a partial structural diagram of the utility model.

[0029] In the figure, 1. mounting block; 2. test assembly; 21. rotating shaft; 22. concave frame; 23. go / no-go gauge body; 24. gear; 25. electric telescopic rod; 26. rack; 3. power assembly; 31. first servo motor; 32. worm gear; 33. worm; 34. auxiliary block; 4. auxiliary assembly; 41. limiting slide groove; 42. cylinder; 43. sliding plate; 44. limiting rod; 45. assembly frame; 46. second servo motor; 47. screw; 48. nut block; 49. groove. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0031] Example 1

[0032] Reference Figures 1 to 4 , is the first embodiment of the utility model, which provides a go / no-go gauge calibration device, including a mounting block 1, a test assembly 2 is arranged on one side of the mounting block 1, a power assembly 3 is arranged on one end of the test assembly 2, and an auxiliary assembly 4 is arranged on one side of the mounting block 1; the test assembly 2 includes a rotating shaft 21, the rotating shaft 21 is rotatably connected to the inside of the mounting block 1, one end of the rotating shaft 21 is fixedly connected to a concave frame 22, the side wall of the concave frame 22 is rotatably connected to a go / no-go gauge body 23, the outer wall of the go / no-go gauge body 23 is fixedly connected to a gear 24, an electric telescopic rod 25 is fixedly installed inside the mounting block 1, the movable end of the electric telescopic rod 25 is fixedly connected to a rack 26, and the rack 26 is meshed with the gear 24.

[0033] Specifically, the power assembly 3 includes a worm gear 32, which is fixedly connected to one end of the rotating shaft 21, a first servo motor 31 is fixedly connected to one side of the mounting block 1, an auxiliary block 34 is also fixedly connected to one side of the mounting block 1, a worm 33 is rotatably connected to one side of the auxiliary block 34, an output shaft belonging to the first servo motor 31 is fixedly connected to one end of the worm 33, and the worm 33 is meshed with the worm gear 32.

[0034] Furthermore, by starting the electric telescopic rod 25 to drive the rack 26 to move, the rack 26 can drive the gear 24 to rotate, and the gear 24 will drive the go / no-go gauge body 23 to rotate, so that the nut can be threadedly connected to one end of the go / no-go gauge body 23 for testing. When one end is tested, the sliding plate 43 can be moved to one side by starting the cylinder 42, and the electric telescopic rod 25 is started to retract the rack 26 into the interior of the mounting block 1, and then the first servo motor 31 is started to drive the worm 33 to rotate, and then the worm wheel 32 is driven to rotate, and the worm wheel 32 can drive the rotating shaft 21 to rotate, so that the other end of the go / no-go gauge body 23 can be adjusted to the bottom for testing the other end.

[0035] Example 2

[0036] Reference Figures 1 to 4 , which is the second embodiment of the utility model, is based on the previous embodiment, the auxiliary component 4 includes a limiting slide 41, the limiting slide 41 is fixedly connected to one side of the mounting block 1, the two limiting slides 41 are slidably connected inside with a sliding plate 43, the mounting block 1 is fixedly installed with a cylinder 42 inside, and the movable end of the cylinder 42 is fixedly connected to one side of the sliding plate 43. The top of the sliding plate 43 is fixedly connected with an assembly frame 45, and the top of the assembly frame 45 is fixedly installed with a second servo motor 46.

[0037] Specifically, a screw rod 47 is rotatably connected between the inner wall of the assembly frame 45 and the sliding plate 43, a limit rod 44 is fixedly connected to the top of the sliding plate 43, a nut block 48 is threadedly connected to the outer wall of the screw rod 47, and one end of the nut block 48 is slidably connected to the limit rod 44.

[0038] A groove 49 is formed on the top of the nut block 48 .

[0039] Furthermore, the hexagonal nut to be tested is first placed in the groove 49. Due to its special shape, it cannot rotate freely in the groove 49 and is thus restricted and fixed. The second servo motor 46 is started to drive the screw 47 to rotate. With the assistance of the limit rod 44, the nut block 48 will move upward to adjust the relative distance between the nut to be tested and the go / no-go gauge body 23. Starting the cylinder 42 can push the sliding plate 43 to move the auxiliary component 4 as a whole for a certain distance to leave space for other operations of the device.

[0040] Working principle: first put the hexagonal nut to be tested in the groove 49. Due to its special shape, it cannot be rotated at will in the groove 49 and is restricted and fixed. Start the second servo motor 46 to drive the screw 47 to rotate. With the assistance of the limit rod 44, the nut block 48 will move upward to adjust the relative distance between the nut to be tested and the go / no-go gauge body 23. Start the electric telescopic rod 25 to drive the rack 26 to move, and the rack 26 can drive the gear 24 to rotate. The gear 24 will drive the go / no-go gauge body 23 to rotate, so that the nut can be threadedly connected with one end of the go / no-go gauge body 23 for testing. When one end is tested, the sliding plate 43 can be moved to one side by starting the cylinder 42, and the electric telescopic rod 25 is started to retract the rack 26 into the interior of the mounting block 1. Then, the first servo motor 31 is started to drive the worm 33 to rotate, and then the worm gear 32 is driven to rotate. The worm gear 32 can drive the rotating shaft 21 to rotate, so that the other end of the go / no-go gauge body 23 can be adjusted to the bottom for testing the other end.

[0041] It should be noted that, in this document, relational terms such as first and second, etc. are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

Claims

1. A go / no-go gauge calibration device, comprising a mounting block (1), characterized in that: A test assembly (2) is arranged on one side of the mounting block (1), a power assembly (3) is arranged on one end of the test assembly (2), and an auxiliary assembly (4) is arranged on one side of the mounting block (1); The test assembly (2) comprises a rotating shaft (21), the rotating shaft (21) is rotatably connected to the inside of the mounting block (1), one end of the rotating shaft (21) is fixedly connected to a concave frame (22), the side wall of the concave frame (22) is rotatably connected to a go / no-go gauge body (23), the outer wall of the go / no-go gauge body (23) is fixedly connected to a gear (24), an electric telescopic rod (25) is fixedly installed inside the mounting block (1), the movable end of the electric telescopic rod (25) is fixedly connected to a rack (26), and the rack (26) is meshed with the gear (24).

2. A go / no-go gauge calibration device according to claim 1, characterized in that: The power assembly (3) comprises a worm gear (32), wherein the worm gear (32) is fixedly connected to one end of the rotating shaft (21), a first servo motor (31) is fixedly connected to one side of the mounting block (1), an auxiliary block (34) is also fixedly connected to one side of the mounting block (1), a worm (33) is rotatably connected to one side of the auxiliary block (34), an output shaft belonging to the first servo motor (31) is fixedly connected to one end of the worm (33), and the worm (33) is meshed with the worm gear (32).

3. A go / no-go gauge calibration device according to claim 1, characterized in that: The auxiliary component (4) comprises a limiting slide groove (41), wherein the limiting slide groove (41) is fixedly connected to one side of the mounting block (1), and a sliding plate (43) is slidably connected inside the two limiting slide grooves (41), and a cylinder (42) is fixedly installed inside the mounting block (1), and a movable end of the cylinder (42) is fixedly connected to one side of the sliding plate (43).

4. A go / no-go gauge calibration device according to claim 3, characterized in that: The top of the sliding plate (43) is fixedly connected to an assembly frame (45), and the top of the assembly frame (45) is fixedly mounted with a second servo motor (46).

5. A go / no-go gauge calibration device according to claim 4, characterized in that: A screw rod (47) is rotatably connected between the inner wall of the assembly frame (45) and the sliding plate (43); a limit rod (44) is fixedly connected to the top of the sliding plate (43); a nut block (48) is threadedly connected to the outer wall of the screw rod (47); one end of the nut block (48) is slidably connected to the limit rod (44).

6. A go / no-go gauge calibration device according to claim 5, characterized in that: A groove (49) is formed on the top of the nut block (48).

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