Combined testing fixture for starter coil spring

Abstract

The utility model relates to the coil spring detection field, and discloses a starter coil spring combined testing fixture comprising a base plate, a clamping mechanism, a coil spring body and a material pressing mechanism, one side of the upper end of the base plate is fixedly provided with a mounting box, one side of the lower end of the mounting box is rotatably provided with a first compression roller, and the material pressing mechanism comprises a connecting column. Second springs are arranged on the two sides of the lower end of the connecting column, a mounting plate is fixedly arranged at the lower ends of the two second springs, a second pressing roller is rotationally arranged at the lower end of the mounting plate, and a vibration sensor is fixedly arranged at the upper end of the mounting plate. When the movable block retreats, the coil spring body can move between the first pressing roller and the second pressing roller, due to the fact that the second spring is arranged at the upper end of the second pressing roller, the coil spring pressing device can adapt to coil springs of different heights, in the process that the coil spring body is pulled out, if an uneven position appears, the vibration sensor can monitor the uneven position, and therefore the coil spring body can be automatically pulled out. Therefore, the device can adapt to coil springs with different heights.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of volute spring detection, especially to the combined testing fixture for starter volute spring. BACKGROUND

[0002] The volute spring is a spring made of elastic material, and its structure is usually formed by winding a metal wire, having high elasticity and load capacity. The volute spring is widely used in various machines and devices to provide restoring force and buffering effect, such as automobile suspension, household appliances and other industrial equipment. The testing fixture can detect various functions of the volute spring, ensure that the size, tolerance and performance of the volute spring meet the design requirements, and reduce errors and defects.

[0003] However, the conventional volute spring needs to be manually pulled to detect the stretching function of the volute spring during detection, which requires a lot of manpower and high labor intensity, and is easy to cause fatigue of the operator. Moreover, the manual detection process can only complete the detection of one function at a time, which is low in efficiency and easy to cause delay of the production line.

[0004] Therefore, the combined testing fixture for starter volute spring is provided by the person skilled in the art to solve the problems in the above background. SUMMARY

[0005] The combined testing fixture for starter volute spring is provided to solve the problems in the prior art, which can stretch the volute spring by starting the motor, and can detect multiple functions at a time.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The combined testing fixture for starter volute spring comprises a bottom plate, a clamping mechanism, a volute spring body and a pressing mechanism, the bottom plate is provided with a mounting box on one side of the upper end, the mounting box is provided with a telescopic rod on the upper end, the telescopic rod is provided with a top plate on the upper end, two fixed plates are fixedly arranged on the inner side of the mounting box, a spring is arranged on the opposite side of the two fixed plates, the opposite end of the two springs is fixedly provided with a clamping block, the opposite end of the clamping block is fixedly provided with a movable column, and a first pressing roller is rotatably arranged on one side of the lower end of the mounting box.

[0008] The clamping mechanism comprises a fixed box, a motor is fixedly arranged in the inner end of the fixed box, a lead screw is fixedly arranged at the output end of the motor, and a movable block is threadedly sleeved on the outer end of the lead screw.

[0009] The pressing mechanism comprises a connecting column, two second springs are arranged on the lower end of the connecting column, an installation plate is fixedly arranged at the lower end of the two second springs, a second pressing roller is rotatably arranged at the lower end of the installation plate, and a vibration sensor is fixedly arranged on the upper end of the installation plate.

[0010] Further, the one end of the coil spring body is movably arranged between the two clamping blocks, and the top plate is movably arranged on the upper end of the mounting box.

[0011] Further, the lower end of one side of the movable block is fixedly provided with two limiting plates, and the opposite end of the two limiting plates is threadedly provided with a threaded column, and the opposite end of the threaded column is fixedly provided with a clamping plate.

[0012] Further, the fixed box is fixedly arranged on the side of the lower end of the top plate away from the mounting box, and the movable block is movably arranged on one side of the mounting box.

[0013] Further, the other end of the coil spring body is movably arranged between the two clamping plates, and the coil spring body is woundly arranged on the outer end of the two fixed plates.

[0014] Further, the connecting column is hingedly arranged on one side of the upper end of the mounting box, and the mounting plate is movably arranged on one side of the mounting box.

[0015] Further, the first pressing roller is rotatably arranged on the lower end of the coil spring body, and the second pressing roller is rotatably arranged on the upper end of the coil spring body.

[0016] The utility model has the advantages of the following beneficial effects:

[0017] 1. The combined gauge for the starter coil spring provided by the utility model, when the coil spring body is replaced, the movable column needs to be pulled upwards first, the clamping block is loosened, then the new coil spring body to be detected can be placed, at this time, the first spring supports the clamping block, so that the coil spring body is clamped firmly, after the motor is started, the movable block moves towards the mounting box, the coil spring body is placed between the two clamping plates, then the clamping plate is fixed by screwing the threaded column, next, the motor is started in reverse to make the movable block retreat, so that the detection of the stretching effect of the coil spring body is completed, through automatic operation, manual intervention is reduced, the speed of the coil spring body detection is improved, and the task can be completed more quickly.

[0018] 2. The combined gauge for the starter coil spring provided by the utility model, when the movable block retreats, the coil spring body moves between the first pressing roller and the second pressing roller, because the upper end of the second pressing roller is provided with the second spring, the utility model can adapt to coil springs of different heights, and if uneven positions appear during the process that the coil spring body is pulled outwards, the vibration sensor can monitor the positions, the design of the second spring makes the equipment flexible to adapt to coil springs of different heights, so that the operation flexibility and compatibility are improved, and the detection reliability and accuracy are improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a perspective view of the utility model;

[0020] Figure 2 It is a section view schematic diagram of the limiting plate of the utility model;

[0021] Figure 3 It is a section view schematic diagram of the utility model;

[0022] Figure 4 It is an axonometric view schematic diagram of the movable block of the utility model;

[0023] Figure 5 It is a section view schematic diagram of the telescopic rod of the utility model;

[0024] Figure 6 It is a partial schematic diagram of A of the utility model; Figure 5

[0025] Figure 7 It is an axonometric view schematic diagram of the first compression roller of the utility model.

[0026] Legend:

[0027] 1, bottom plate; 2, mounting box; 3, telescopic rod; 4, top plate; 5, clamping mechanism; 6, coil spring body; 7, material pressing mechanism; 8, limiting plate; 9, first spring; 10, clamping block; 11, movable column; 12, first compression roller; 501, fixed box; 502, motor; 503, lead screw; 504, movable block; 505, limiting plate; 506, threaded column; 507, clamping plate; 701, connecting column; 702, second spring; 703, mounting plate; 704, second compression roller; 705, vibration sensor. Specific implementation

[0028] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0029] With reference to Figure 1 , Figure 2 , Figure 6 , the utility model provides an embodiment:

[0030] ​The utility model provides a combined testing fixture for starter coil spring, including bottom plate 1, clamping mechanism 5, coil spring body 6 and pressing mechanism 7, the bottom plate 1 one side fixedly arranged with installation box 2 on the top, the installation box 2 top fixedly arranged with telescopic link 3, telescopic link 3 top fixedly arranged with top plate 4, the inside rear end of installation box 2 is fixedly arranged with two fixed plates 8, and one side of the opposite of two fixed plates 8 is provided with no.

[0031] Specifically, the clamping mechanism 5 can clamp one end of the coil spring body 6, and the pressing mechanism 7 can detect whether the surface of the coil spring body 6 is flat.

[0032] Referring to Figure 3 、 Figure 4 , the clamping mechanism 5 includes a fixed box 501, a motor 502 fixedly arranged at the inner end of the fixed box 501, a lead screw 503 fixedly arranged at the output end of the motor 502, a movable block 504 threadedly sleeved at the outer end of the lead screw 503, two limiting plates 505 fixedly arranged at the lower end of one side of the movable block 504, a threaded column 506 threadedly arranged at the opposite end of the two limiting plates 505, a clamping plate 507 fixedly arranged at the opposite end of the threaded column 506, the fixed box 501 fixedly arranged at the lower end of the top plate 4 away from the installation box 2, the movable block 504 movably arranged at one side of the installation box 2, and the other end of the coil spring body 6 movably arranged between the two clamping plates 507.

[0033] Specifically, when replacing the coil spring body 6, first pull the movable column 11 upwards, the clamp block 10 will loosen the coil spring body 6, then the new coil spring body 6 to be detected can be placed in, at this time, the no. 9 spring will support the clamp block 10, so as to firmly clamp the coil spring body 6, after starting the motor 502, the movable block 504 will move towards the installation box 2, and the coil spring body 6 is placed between the two clamping plates 507, then the clamping plates 507 are fixed by screwing the threaded column 506, and then the motor 502 is reversed to make the movable block 504 retreat, so as to complete the detection of the stretching effect of the coil spring body 6, through automatic operation, manual intervention is reduced, the speed of detecting the coil spring body 6 is improved, and the task can be completed more quickly.

[0034] Referring to Figure 5 、 Figure 7The pressing mechanism 7 comprises a connecting column 701, two second springs 702 are arranged at the lower ends of the connecting column 701, mounting plates 703 are fixedly arranged at the lower ends of the two second springs 702, second pressing rollers 704 are rotatably arranged at the lower ends of the mounting plates 703, vibration sensors 705 are fixedly arranged at the upper ends of the mounting plates 703, the connecting column 701 is hingedly arranged at one side of the upper end of the mounting box 2, the mounting plate 703 is movably arranged at one side of the mounting box 2, and the first pressing roller 12 is rotatably arranged at the lower end of the coil spring body 6.

[0035] Specifically, when the movable block 504 retreats, the coil spring body 6 moves between the first pressing roller 12 and the second pressing roller 704, and the upper end of the second pressing roller 704 is provided with the second spring 702, so that the novel type can adapt to coil springs of different heights, and meanwhile, if uneven positions occur in the process that the coil spring body 6 is pulled out, the vibration sensor 705 can monitor the uneven positions.

[0036] Working principle: when the coil spring body 6 is replaced, the movable column 11 needs to be pulled upwards first, the clamp block 10 is loosened from the coil spring body 6, then the new coil spring body 6 to be detected can be placed, at this time, the first spring 9 supports the clamp block 10, so as to firmly clamp the coil spring body 6, after the motor 502 is started, the movable block 504 moves towards the mounting box 2, the coil spring body 6 is placed between the two clamping plates 507, then the clamping plates 507 are fixed by screwing the threaded column 506, and then the motor 502 is started in reverse to make the movable block 504 retreat, so as to complete the detection of the stretching effect of the coil spring body 6.

[0037] Secondly, when the movable block 504 retreats, the coil spring body 6 moves between the first pressing roller 12 and the second pressing roller 704, and the upper end of the second pressing roller 704 is provided with the second spring 702, so that the novel type can adapt to coil springs of different heights, and meanwhile, if uneven positions occur in the process that the coil spring body 6 is pulled out, the vibration sensor 705 can monitor the uneven positions.

[0038] Finally, it should be noted that the above description is only a preferred embodiment of the present application and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified or some technical features can be replaced by equivalents, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A combined gauge for starter coil spring, comprising a base plate (1), a clamping mechanism (5), a coil spring body (6) and a pressing mechanism (7), characterized in that: The bottom plate (1) upper end one side is fixedly provided with the installation box (2), the installation box (2) upper end is fixedly provided with telescopic link (3), the telescopic link (3) upper end is fixedly provided with top plate (4), the installation box (2) inner side rear end is fixedly provided with two fixed plate (8), two the fixed plate (8) opposite side is provided with one spring (9), two the spring (9) opposite end is fixedly provided with clamping block (10), the clamping block (10) opposite end is fixedly provided with movable column (11), the installation box (2) lower end one side is rotatably provided with one pressure roller (12); The clamping mechanism (5) includes a fixed box (501), the fixed box (501) is fixedly provided with a motor (502) in the inner end, the motor (502) output end is fixedly provided with a lead screw (503), the lead screw (503) outer end is screwed with movable block (504); The pressing mechanism (7) includes a connecting column (701), the connecting column (701) lower end both sides are provided with two springs (702), two the spring (702) lower end is fixedly provided with a mounting plate (703), the mounting plate (703) lower end is rotatably provided with two pressure roller (704), the mounting plate (703) upper end is fixedly provided with a vibration sensor (705).

2. The combined gauge for starter coil spring according to claim 1, characterized in that: One end of the coil spring body (6) is movably arranged between the two clamping blocks (10), and the top plate (4) is movably arranged on the upper end of the installation box (2).

3. The combined gauge for starter coil spring according to claim 1, characterized in that: The movable block (504) one side lower end is fixedly provided with two limit plates (505), two the limit plate (505) opposite end is screwed with threaded column (506), the threaded column (506) opposite end is fixedly provided with clamping plate (507).

4. The combined gauge for starter coil spring according to claim 1, characterized in that: The fixed box (501) is fixedly arranged on the lower end of the top plate (4) away from the installation box (2) on one side, and the movable block (504) is movably arranged on one side of the installation box (2).

5. The combined gauge for starter coil spring according to claim 1, wherein: The other end of the coil spring body (6) is movably arranged between the two clamping plates (507), and the coil spring body (6) is wound on the outer end of the two fixed plates (8).

6. The combined gauge for starter coil spring according to claim 1, wherein: The connecting column (701) is hingedly arranged on the upper end of the installation box (2) on one side, and the mounting plate (703) is movably arranged on one side of the installation box (2).

7. The combined gauge for starter coil spring according to claim 1, wherein: The one pressure roller (12) is rotatably arranged on the lower end of the coil spring body (6), and the two pressure roller (704) is rotatably arranged on the upper end of the coil spring body (6).

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