Spring measuring gauge

Abstract

The application relates to the technical field of spring detection, and discloses a spring measurement gauge, which comprises a first base plate, a first measurement plate connected to the first base plate through a first supporting rod, a second measurement plate connected to the first measurement plate through a side supporting rod, a second base plate connected to the second measurement plate through a second supporting rod, and a measuring column arranged at the top of the first measurement plate. The spring measurement gauge is matched with the first base plate, the first supporting rod, the first measurement plate, the side supporting rod, the second measurement plate, the second supporting rod, the second base plate, the measuring column, the first mounting plate, the second mounting plate, the handle, the chuck, the rotating disc, the sliding groove, the light transmission groove, the positioning clamping block, the mounting cylinder, the photoelectric emitter and the photoelectric receiver, so that the influence of human factors on the detection of the concentricity of the spiral spring is reduced, and the problem that the detection result of the concentricity of the spiral spring is greatly influenced by the subjectivity of the detection personnel is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of spring detection, in particular to a spring measuring gauge. BACKGROUND

[0002] After the spring is produced, it needs to be strictly detected before being put into use, otherwise it may cause serious accidents due to quality defects. Common detection items of the spring include tensile test, torsion test, fatigue test and concentricity detection.

[0003] The first three tests are operated by corresponding professional instruments, while the detection of the concentricity of the spiral spring still needs to rely on the detection personnel to manually measure the concentricity of the spring with a height gauge. This detection method is not only low in efficiency, but also the detection tool is relatively simple, and the detection standards of different detection personnel are not the same, so there is a great influence of human factors in the existing detection process of the concentricity of the spiral spring. Therefore, a spring measuring gauge needs to be proposed to solve the above problems. SUMMARY

[0004] Technical problems to be solved

[0005] In view of the defects of the prior art, the present application provides a spring measuring gauge, which has the advantage of reducing the influence of human factors on the detection of the concentricity of the spiral spring, and solves the problem that the existing detection result of the concentricity of the spiral spring is greatly influenced by the subjective factors of the detection personnel.

[0006] (II) Technical solutions

[0007] In order to achieve the above object, the present application provides the following technical scheme: a spring measuring gauge, comprising a first base plate, the first base plate is connected with a first measuring plate through a first supporting rod, the first measuring plate is connected with a second measuring plate through a side supporting rod, the top plane of the first measuring plate is parallel to the bottom plane of the second measuring plate, the second measuring plate is connected with a second base plate through a second supporting rod, the top of the first measuring plate is provided with a measuring column, the measuring column 8 is a detection tool for the concentricity of the spring inner ring, whether the spring can smoothly slide along the measuring column to play a detection role, the side surface of the first supporting rod is movably connected with a first mounting plate, the second supporting rod is connected with a second mounting plate, the first mounting plate is connected with the second mounting plate through a handle, the handle can drive the first mounting plate and the second mounting plate to rotate synchronously, the top of the first mounting plate and the bottom of the second mounting plate are both provided with a chuck, the inside of the two chucks is provided with a rotating disc, the top of the upper rotating disc and the bottom of the lower rotating disc are both provided with three sliding grooves, the top of the first measuring plate and the bottom of the second measuring plate are both provided with a light passing groove at the position corresponding to each sliding groove, so as to facilitate the measurement of the light beam, the inside of each sliding groove is provided with a positioning clamp block, the center of the side of each positioning clamp block close to the measuring column is provided with a mounting cylinder, the inside of each lower mounting cylinder is provided with a photoelectric emitter, and the inside of each upper mounting cylinder is provided with a photoelectric receiver.

[0008] Preferably, the measuring column is a circular column, the diameter of the circular column ranges from 3cm to 30cm, a mounting hole is formed at the center of the bottom end of the measuring column, a mounting screw is fixedly connected at the center of the top of the first measuring plate, the mounting screw is in threaded connection with the inside of the mounting hole, and under the joint action of the mounting screw and the mounting hole, the measuring column can be quickly replaced, so that the concentricity of different specifications of the spiral spring can be detected.

[0009] Preferably, the inside of each chuck is provided with a rotating groove, the inside of the rotating groove is provided with a rotating disc, the opposite surfaces of the two rotating discs are both provided with a vortex line plate, the opposite sides of the two rotating discs are both provided with a helical gear, the inside of each rotating disc is provided with an adjusting shaft, one end of each adjusting shaft located inside the rotating disc is fixedly sleeved with a helical gear, the helical gear is in meshing connection with the helical gear, and the helical gear cooperates with the helical gear to drive the rotating disc to rotate, so as to provide power for the rotation of the rotating disc.

[0010] Preferably, one end of each adjusting shaft located outside the rotating disc is fixedly connected with an adjusting knob, the adjusting knob plays an auxiliary role in adjusting the rotation of the adjusting shaft, so that the relative position of the photoelectric emitter and the photoelectric receiver can be adjusted by the detector.

[0011] Preferably, the inner walls of all the sliding grooves opposite sides are provided with limiting plates, the side surfaces of the positioning clamping blocks are provided with limiting grooves, the limiting plates and the limiting grooves are movably connected, the limiting plates and the limiting blocks together limit the movement of the positioning clamping blocks, so that the positioning clamping blocks can only move along the long side of the sliding groove, preventing them from separating from the chuck, the bottoms of the positioning clamping blocks are provided with arc-shaped driving grooves, the vortex-shaped wire plate is movably connected with the arc-shaped driving grooves, and the arc-shaped driving grooves and the vortex-shaped wire plate provide power for the movement of the positioning clamping blocks, so that the positioning clamping blocks will be passively moved after the rotation of the rotating disc.

[0012] Preferably, the opposite surfaces of the two chucks are provided with scale bars, the scale bars are equal in length to the sliding grooves, and the starting point and the ending point of the scale bar are aligned with the two short sides of the sliding groove.

[0013] Preferably, the side of the positioning clamping block away from the center of the chuck is provided with a wire groove, the inside of the wire groove is connected with the inside of the mounting cylinder, and the wire groove provides an installation channel for the connection of the photoelectric emitter and the photoelectric receiver, so as to avoid damage caused by bending of the connection line during use.

[0014] Preferably, the photoelectric emitter and the photoelectric receiver together form a reflection type photoelectric sensor, and the photoelectric sensor is normally open, when the reflection type photoelectric sensor is blocked by the eccentric spring ring, the reflection light path is blocked, the normally open inside of the photoelectric sensor is changed to normally closed, an output signal is generated, and the indicating device is turned on.

[0015] Compared with the prior art, the spring measuring gauge has the following beneficial effects:

[0016] The spring measuring gauge, through the cooperation between the first base plate, the first supporting rod, the first measuring plate, the side supporting rod, the second measuring plate, the second supporting rod, the second base plate, the measuring column, the first mounting plate, the second mounting plate, the handle, the chuck, the rotating disc, the sliding groove, the light transmission groove, the positioning clamping block, the mounting cylinder, the photoelectric emitter and the photoelectric receiver, the influence of human factors on the detection of the concentricity of the spiral spring is reduced, and the problem that the detection result of the concentricity of the spiral spring is greatly affected by the subjective influence of the detection personnel is solved.

[0017] The spring measuring gauge, through the cooperation between the first base plate, the first supporting rod, the first measuring plate, the side supporting rod, the second measuring plate, the second supporting rod, the second base plate, the measuring column, the first mounting plate, the second mounting plate, the handle, the chuck, the rotating disc, the sliding groove, the light transmission groove, the positioning clamping block, the mounting cylinder, the photoelectric emitter and the photoelectric receiver, after the spring is sleeved on the measuring column and the reflection type photoelectric sensor is moved to the edge of the outer ring of the spring, the detection personnel can hold the handle, make the photoelectric emitter and the photoelectric receiver rotate synchronously, and thus the outer ring of the spring is comprehensively detected to determine whether there is relative deviation.

[0018] The spring measuring gauge, through the cooperation between the first base plate, the first supporting rod, the first measuring plate, the side supporting rod, the second measuring plate, the second supporting rod, the second base plate, the measuring column, the mounting screw rod, the mounting hole, the first mounting plate, the second mounting plate, the handle, the chuck, the rotating disc, the sliding groove, the light transmission groove, the positioning clamp block, the mounting cylinder, the photoelectric emitter, the photoelectric receiver and the scale, different types of measuring columns can be quickly replaced, and through the cooperation of the adjusting mechanism, the concentricity of different types of springs can be detected. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the present application;

[0020] Figure 2 It is a rear view of the present application;

[0021] Figure 3 It is a top view of the present application;

[0022] Figure 4 It is a structural schematic view of the first measuring plate of the present application;

[0023] Figure 5 It is a structural schematic view of the measuring column of the present application;

[0024] Figure 6 It is a top view of the chuck of the present application;

[0025] Figure 7 It is a side sectional view of the chuck of the present application;

[0026] Figure 8 It is a structural schematic view of the rotating disc of the present application;

[0027] Figure 9 It is a top view of the rotating disc of the present application;

[0028] Figure 10 It is a bottom view of the rotating disc of the present application;

[0029] Figure 11 It is a structural schematic view of the helical gear of the present application;

[0030] Figure 12 It is a structural schematic view of the positioning clamp block of the present application;

[0031] Figure 13 It is a front view of the positioning clamp block of the present application;

[0032] Figure 14 It is a side sectional view of the positioning clamp block of the present application.

[0033] Wherein: 1, the first substrate; 2, the first strut; 3, the first measuring plate; 4, side strut; 5, the second measuring plate; 6, the second strut; 7, the second substrate; 8, the amount column; 9, mounting screw; 10, mounting hole; 11, the first mounting plate; 12, the second mounting plate; 13, the handle; 14, chuck; 15, rotating groove; 16, turntable; 17, spiral line plate; 18, bevel gear; 19, sliding slot; 20, limit plate; 21, adjusting shaft; 22, adjusting knob; 23, bevel gear; 24, positioning clamp block; 25, limit slot; 26, arc drive groove; 27, mounting cylinder; 28, wire slot; 29, photoelectric emitter; 30, photoelectric receiver; 31, light slot; 32, scale horizontal. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0035] Please refer to Figures 1-14 A spring measurement gauge, comprising a first substrate 1, the first substrate 1 is a base, the bottom of which serves as the placement plane of the entire gauge, the top center of the first substrate 1 is fixedly connected with a first strut 2, the top end of the first strut 2 is fixedly connected with a first measuring plate 3, at this time the first substrate 1, the first strut 2 and the first measuring plate 3 are concentric and coaxial, the top of the first measuring plate 3 is fixedly connected with three side struts 4, the top end of the three side struts 4 is fixedly connected with a second measuring plate 5, the three side struts 4 are separated by 120 degrees from each other, and each side strut 4 has sufficient clearance to facilitate replacement of the spring to be detected, the top center of the second measuring plate 5 is fixedly connected with a second strut 6, the top end of the second strut 6 is fixedly connected with a second substrate 7, at this time the second measuring plate 5, the second strut 6 and the second substrate 7 are concentric and coaxial, the top center of the first measuring plate 3 is provided with an amount column 8, the amount column 8 is a detection tool for the concentricity of the spring inner ring, if the concentricity of the spring inner ring is qualified, it can smoothly slide along the amount column, if the concentricity of the spring inner ring is unqualified, the spring will be stuck on the amount column 8, the top center of the first measuring plate 3 is fixedly connected with a mounting screw 9, the amount column 8 is a circular column, the corresponding diameter of the circular column ranges between 3cm to 30cm, the center of the bottom end of the amount column 8 is provided with a mounting hole 10, the mounting screw 9 is internally threadedly connected with the mounting hole 10.

[0036] The side surface of the first supporting rod 2 is provided with two positioning bearings, the outer part of each of the two positioning bearings is provided with a shaft sleeve, that is, the inner wall of the inner ring of each of the two positioning bearings is fixedly connected with the side surface of the first supporting rod 2, the side surface of the outer ring of each of the two positioning bearings is fixedly connected with the inner wall of the corresponding shaft sleeve, the side surface of each of the two shaft sleeves is movably connected with the first mounting plate 11 and the second mounting plate 12, the first mounting plate 11 and the second mounting plate 12 are concentrically coaxial with the first supporting rod 2, the first mounting plate 11 is located below the first measuring plate 3, the second mounting plate 12 is located above the second measuring plate 5, the first mounting plate 11 is connected with the second mounting plate 12 through the handle 13, that is, the side surface of the handle 13 is fixedly connected with the side surface of the first mounting plate 11 and the side surface of the second mounting plate 12, and at this time, the handle 13 is in a vertical state, and the handle can synchronously drive the first mounting plate 11 and the second mounting plate to rotate.

[0037] The top of the first mounting plate 11 and the bottom of the second mounting plate 12 are provided with chucks 14, both of which are concentric and coaxial with the first supporting rod 2, and both of which are provided with through holes at the center, and the first supporting rod 2 and the second supporting rod 6 are located in the corresponding through holes respectively to facilitate the rotation of the chuck 14 with the mounting plate, and the inside of both of the chucks 14 is provided with a rotating groove 15, which is a cylindrical groove, and the axial center line of the cylindrical groove is collinear with the axial center line of the chuck 14, and the inside of the rotating groove 15 is provided with a rotating disc 16, and the axial center line of the rotating disc 16 is collinear with the axial center line of the chuck 14, and the rotating disc 16 is limited in the rotating groove 15 by a limiting mechanism and can only rotate in place, and the opposite sides of both of the rotating discs 16 are provided with vortex-shaped wire plates 17, and the opposite sides of both of the rotating discs 16 are provided with bevel gears 18, and the inside of both of the rotating discs 16 is provided with an adjusting shaft 21, and the inside of the rotating disc 16 is provided with a fixed bearing, and the side surface of the adjusting shaft 21 is fixedly connected with the inner wall of the inner ring of the fixed bearing, and one end of both of the adjusting shafts 21 located inside the rotating disc 16 is fixedly sleeved with a bevel gear 23, and the bevel gear 23 is engaged with the bevel gear 18, and the bevel gear 23 cooperates with the bevel gear 18 to provide driving force for the rotation of the rotating disc 16, and one end of both of the adjusting shafts 21 located outside the rotating disc 16 is fixedly connected with an adjusting knob 22, and the top of the upper rotating disc 16 and the bottom of the lower rotating disc 16 are provided with three sliding grooves 19, and the top of the first measuring plate 3 and the bottom of the second measuring plate 5 are provided with light transmission grooves 31 at positions corresponding to the sliding grooves 19, and the light transmission grooves 31 provide transmission channels for measuring light beams, and the light transmission grooves 31 have two forms, one is a strip-shaped groove, and the other is a fan-shaped groove, and both are distributed on the first measuring plate 3 and the second measuring plate 5, and the inside of each sliding groove 19 is provided with a positioning clamp block 24, and the sliding groove 19 limits the movement track of the positioning clamp block 24, so that it can only move along the long side of the sliding groove 19, and the inner wall of the opposite side of all the sliding grooves 19 is provided with a limiting plate 20, and the side surface of each positioning clamp block 24 is provided with a limiting groove 25, and the limiting plate 20 is movably connected with the inside of the limiting groove 25, and the limiting plate 20 cooperates with the limiting groove 25 to integrate the positioning clamp block 24 and the chuck 14, so as to prevent the separation of the positioning clamp block 24 and the chuck 14.

[0038] The bottom of each positioning clamp block 24 is provided with an arc-shaped driving slot 26, the vortex-shaped wire plate 17 is movably connected with the inside of the arc-shaped driving slot 26, and the vortex-shaped wire plate 17 and the arc-shaped driving slot 26 provide driving force for the positioning clamp block 24, so that the positioning clamp block 24 can move back and forth in the sliding slot 19. The center of the side of each positioning clamp block 24 close to the measuring column 8 is provided with a mounting cylinder 27, the inside of each mounting cylinder 27 on the lower side is provided with a photoelectric emitter 29, the inside of each mounting cylinder 27 on the upper side is provided with a photoelectric receiver 30, the photoelectric emitter 29 is located directly below the photoelectric receiver 30, and the photoelectric emitter 29 and the photoelectric receiver 30 together constitute a reflection type photoelectric sensor. The reflection type photoelectric sensor is a prior art, and there are three groups of reflection type photoelectric sensors. Each positioning clamp block 24 on the upper side has one photoelectric receiver 30 corresponding thereto, and each positioning clamp block 24 on the lower side has one photoelectric emitter 29 corresponding thereto. The photoelectric sensor is a normally open type. When the light path of the reflection type photoelectric sensor is interrupted by the spring eccentric circle, the photoelectric sensor changes from normally open to normally closed. The output line of the photoelectric receiver 30 will output a signal outward, thereby driving the indicating device connected thereto to start, so as to indicate that the detected spring has eccentricity problem. The indicating device includes a single indicating lamp, and the side of the positioning clamp block 24 away from the center of the chuck 14 is provided with a wire slot 28, the inside of the wire slot 28 is in communication with the inside of the mounting cylinder 27, the opposite surfaces of the two chucks 14 are provided with scale bars 32, the scale bars 32 are equal in length to the sliding slot 19, the starting point and the end point of the scale bar 32 are respectively aligned with the two short edges of the sliding slot 19, and the scale bar 32 plays a role in adjusting and positioning the positioning clamp block 24, so as to facilitate the quick alignment of the photoelectric emitter 29 on the lower side and the photoelectric receiver 30 on the upper side.

[0039] In use, the detection personnel first selects the required specification of the measuring column 8, and installs the measuring column 8 at the center of the top of the first measuring plate 3, then respectively twists the adjusting knobs 22 on the upper and lower sides, and moves the positioning clamping blocks 24 on the upper and lower sides through the two adjusting knobs 22, in the adjusting process, first, according to the detection parameters defined in the spring detection specification, the photoelectric emitter 29 on the lower positioning clamping block 24 is moved to the specified position, and the power supply is turned on, the light beam emitted by the photoelectric emitter 29 will pass through the light transmission groove 31 on the first measuring plate 3 and the second measuring plate 5 and directly shoot at the bottom of the upper chuck 14, then, the relative position of the photoelectric receiver 30 is adjusted by twisting the adjusting knob 22 on the upper side, until the light beam emitted by the corresponding photoelectric emitter 29 is received by the corresponding photoelectric receiver 30, at this time, the output circuit inside the photoelectric receiver 30 is in the normally open state, then the bottom end of the spring to be detected is sleeved on the top of the measuring column 8, if the spring inner ring has eccentricity or is too narrow, in the downward movement process, the spring will be clamped on the surface of the measuring column 8, if the spring can smoothly slide along the measuring column 8, the handle 13 needs to be rotated, and the chucks 14 on the upper and lower sides are rotated through the handle 13, so that the photoelectric emitter 29 and the photoelectric receiver 30 are synchronously rotated, so as to realize the comprehensive detection of the spring outer ring, if the spring outer ring has eccentricity problem, the light path channel between the photoelectric sensors will be blocked, when the light path is disconnected, the output line of the photoelectric receiver 30 will output a signal to the indicating device, so as to prompt the detection personnel that the spring has eccentricity problem.

[0040] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the changes, modifications, equivalents, substitutions and variations of the embodiments can be made by those skilled in the art without departing from the spirit and principles of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A spring measuring gauge comprising a first base plate (1), characterized in that: The first substrate (1) is connected with the first measuring plate (3) through the first supporting rod (2), the first measuring plate (3) is connected with the second measuring plate (5) through the side supporting rod (4), the second measuring plate (5) is connected with the second substrate (7) through the second supporting rod (6), the top of the first measuring plate (3) is provided with the measuring column (8), the side surface of the first supporting rod (2) is movably connected with the first mounting plate (11), the second supporting rod (6) is connected with the second mounting plate (12), the first mounting plate (11) is connected with the second mounting plate (12) through the handle (13), the top of the first mounting plate (11) and the bottom of the second mounting plate (12) are provided with the chuck (14), the inside of the two chucks (14) is provided with the rotating disc (16), the top of the upper rotating disc (16) and the bottom of the lower rotating disc (16) are provided with three sliding grooves (19), the top of the first measuring plate (3) and the bottom of the second measuring plate (5) are provided with the light passing groove (31) corresponding to the position of each sliding groove (19), the inside of each sliding groove (19) is provided with the positioning clamp block (24), the center of the side of each positioning clamp block (24) close to the measuring column (8) is provided with the mounting cylinder (27), the inside of each lower mounting cylinder (27) is provided with the photoelectric emitter (29), the inside of each upper mounting cylinder (27) is provided with the photoelectric receiver (30), the inside of the rotating groove (15) of the two chucks (14) is provided with the rotating disc (16), the opposite sides of the two rotating discs (16) are provided with the spiral line plate (17), the opposite sides of the two rotating discs (16) are provided with the helical gear (18), the inside of the two rotating discs (16) is provided with the adjusting shaft (21), one end of the two adjusting shafts (21) located in the inside of the rotating disc (16) is fixedly sleeved with the bevel gear (23), and the bevel gear (23) is meshed with the helical gear (18).

2. A spring measuring gauge as claimed in claim 1, wherein: The measuring column (8) is a circular column, the diameter of the circular column is 3cm-30cm, the center of the bottom of the measuring column (8) is provided with the mounting hole (10), the center of the top of the first measuring plate (3) is fixedly connected with the mounting screw rod (9), and the inside of the mounting hole (10) is threadedly connected with the mounting screw rod (9).

3. A spring measuring gauge as claimed in claim 2, wherein: One end of the two adjusting shafts (21) located outside the rotating disc (16) is fixedly connected with the adjusting knob (22).

4. A spring measuring gauge as claimed in claim 2, wherein: The inner wall of the opposite side of each sliding groove (19) is provided with the limiting plate (20), the side of each positioning clamp block (24) is provided with the limiting groove (25), the inside of the limiting plate (20) and the limiting groove (25) is movably connected, the bottom of each positioning clamp block (24) is provided with the arc-shaped driving groove (26), and the inside of the spiral line plate (17) and the arc-shaped driving groove (26) is movably connected.

5. A spring measuring gauge as claimed in claim 1, wherein: The opposite sides of the two chucks (14) are provided with the scale cross (32), the scale cross (32) is as long as the sliding groove (19), and the starting point and the ending point of the scale cross (32) are aligned with the two short edges of the sliding groove (19).

6. A spring measuring gauge as claimed in claim 1, wherein: The positioning clamping block (24) is provided with a wire slot (28) on the side away from the center of the chuck (14), and the inside of the wire slot (28) is in communication with the inside of the mounting cylinder (27).

7. A spring measuring gauge as claimed in claim 1, wherein: The photoelectric emitter (29) and the photoelectric receiver (30) jointly constitute a reflection type photoelectric sensor, and the photoelectric sensor is a normally open type.

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