CN215985123U

CN215985123U - Automatic measuring device for looseness of spring

Info

Publication number: CN215985123U
Application number: CN202121429127.7U
Authority: CN
Inventors: 周文胜; 崔泽; 邱波; 李�杰; 陆嘉栋
Original assignee: Kailunna Wuxi Auto Parts Technology Co ltd
Current assignee: Kailunna Wuxi Auto Parts Technology Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-03-08
Anticipated expiration: 2031-06-25

Abstract

The utility model discloses an automatic measuring device for the looseness of a spring, and relates to the technical field of measurement of the looseness of the spring. The device comprises a rotary table, wherein a plurality of measuring assemblies are arranged at the bottom end of the rotary table, each measuring assembly comprises a servo motor, a speed reducer connected with the output end of the servo motor is arranged on the servo motor, one end of the speed reducer is connected with a torque meter, and one end of the torque meter is provided with a clamping cylinder; two clamping jaws are connected to the clamping cylinder, and the cross section of each clamping jaw is V-shaped. The fixed plates on the two side surfaces of the torque meter are fixed; the servo motor drives the torque meter to rotate through the speed reducer, after a shaft at the lower end of the torque meter rotates and meets the rotation resistance of a clamping cylinder of a clamping spring, signals generated by the shaft relative rotation difference at the upper end and the lower end of the torque meter are compared with signals reaching a set value to judge whether the spring is loosened, and then whether the spring is loosened is judged quickly and accurately, and the judgment precision is high, and the misjudgment probability is low.

Description

Automatic measuring device for looseness of spring

Technical Field

The utility model belongs to the technical field of spring looseness measurement, and particularly relates to an automatic spring looseness measuring device.

Background

The problem that whether the spring is firmly riveted or not after the spring and the spring seat are riveted is solved, because no automatic spring detection equipment exists at present, whether the spring is loosened or falls off can be judged only by manually breaking off or axially suspending a heavy object, and the detection methods have the disadvantages of large human influence factor, low production efficiency and incapability of adapting to mass production detection.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic measuring device for the looseness of a spring, which solves the technical problem that whether the spring is loosened and falls off can be judged only by manually breaking off or axially suspending a heavy object.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

an automatic measuring device for the looseness of a spring comprises a rotary table, wherein a plurality of measuring assemblies are arranged at the bottom end of the rotary table, each measuring assembly comprises a servo motor, a speed reducer connected with the output end of the servo motor is arranged on the servo motor, one end of the speed reducer is connected with a torque meter, and one end of the torque meter is provided with a clamping cylinder;

two clamping jaws are connected to the clamping cylinder, and the cross section of each clamping jaw is V-shaped.

Optionally, a fixed bracket is installed at one end of the speed reducer, and the torque meter is installed in the fixed bracket.

Optionally, the fixed support includes a first plate body installed at one end of the speed reducer, two second plate bodies installed at one side of the first plate body, and the torque meter is located between the two second plate bodies.

Optionally, the clamping cylinder is connected to the shaft at the lower end of the torque meter through a second connecting shaft.

Optionally, a first connecting shaft is connected between one end of the output end of the speed reducer, which penetrates through the first plate, and the output end of the upper end of the torque meter, and a second connecting shaft is connected between the output end of the lower end of the torque meter and the clamping cylinder.

Optionally, the inner wall of the clamping jaw is provided with an anti-slip channel.

The embodiment of the utility model has the following beneficial effects:

one embodiment of the utility model is that the fixed plates arranged on the two side surfaces of the torque meter are fixed; the servo motor drives the torque meter to rotate through the speed reducer, after a shaft at the lower end of the torque meter rotates and meets the rotation resistance of a clamping cylinder of a clamping spring, signals generated by the relative rotation difference of the shafts at the upper end and the lower end of the torque meter are compared with signals reaching a set value to judge whether the spring is loosened, so that whether the spring is loosened is judged quickly and accurately, the judgment precision is high, and the misjudgment probability is low; the automatic transmission of the springs is completed by combining with the conveying line, the automatic measurement of the looseness of the springs can be realized, and further the batch quick measurement of whether the springs are loosened or not can be realized; the online rapid batch automatic measurement of a plurality of springs on a single workpiece is realized by combining the precise rotary table and a plurality of groups of torque looseness measurement systems.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

figure 3 is a cross-sectional view of a jaw of one embodiment of the present invention.

Wherein the figures include the following reference numerals:

servo motor 1, speed reducer 2, torquemeter 3, die clamping cylinder 4, clamping jaw 5, fixed bolster 6, first connecting axle 7, second connecting axle 8, first plate body 601, second plate body 602.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses.

To maintain the following description of the embodiments of the present invention clear and concise, a detailed description of known functions and known components of the utility model have been omitted.

Referring to fig. 1-3, in the present embodiment, an automatic measuring device for spring looseness is provided, which includes: the device comprises a rotary table, wherein the bottom end of the rotary table is provided with a plurality of measuring assemblies, each measuring assembly comprises a servo motor 1, a speed reducer 2 connected with the output end of the servo motor 1 is arranged on the servo motor 1, one end of the speed reducer 2 is connected with a torque meter 3, and one end of the torque meter 3 is provided with a clamping cylinder 4;

two clamping jaws 5 are connected to the clamping cylinder 4, and the cross section of each clamping jaw 5 is V-shaped.

The application of one aspect of the embodiment is as follows:

be connected servo motor 1 and speed reducer 2, on 2 shells of speed reducer were fixed in fixed bolster 6, speed reducer 2 was connected with 3 one end of torquemeter through first connecting axle 7, and the 3 other ends of torquemeter are connected with die clamping cylinder 4 through the second connecting axle, and die clamping cylinder 4 head-mounted has dedicated clamping jaw 5 to be used for clamping spring.

The shaft at the upper end and the shaft at the lower end of the torquemeter 3 can rotate positively and negatively in the torquemeter shell, the torquemeter 3 shell is rigidly connected with the fixed support 6, the shaft rotating directions at the two ends of the torquemeter 3 are the same, the torquemeter 3 has no torque signal output, the shafts at the upper end and the lower end have relative angular displacement, and the size of the angular displacement is in direct proportion to the size of the moment applied to the two ends;

after a feeding device puts a spring riveting and pressing piece to be detected in place, a clamping cylinder 4 controls an air source to supply air to the clamping cylinder 4 under the setting of equipment control software to drive a clamping jaw 5 to clamp a spring, and fixing plates on two side faces of a torque meter 3 are fixed;

the servo motor 1 drives the upper shaft and the lower shaft of the torquemeter 3 to rotate through the speed reducer 2, after the lower shaft of the torquemeter 3 rotates and meets the rotation resistance of the clamping cylinder 4 for clamping the spring, the signals generated by the relative rotation difference of the shafts at the upper end and the lower end of the torquemeter 3 are compared with the signals which reach the set value or not to output, and whether the spring is loosened or not is judged;

the feeding device can quickly, efficiently and accurately measure whether the spring is loosened or not by continuously feeding. It should be noted that all the electric devices referred to in this application may be powered by a storage battery or an external power source.

The fixed plates on the two side surfaces of the torque meter 3 are fixed; the servo motor 1 drives the torquemeter 3 to rotate through the speed reducer 2, after the lower end shaft of the torquemeter 3 rotates and meets the rotation resistance of the clamping cylinder 4 of the clamping spring, the signals generated by the relative rotation difference of the shafts at the upper end and the lower end of the torquemeter 3 are compared with the signals reaching a set value to judge whether the spring is loosened, so that whether the spring is loosened can be judged quickly and accurately, the judgment precision is high, and the misjudgment probability is low; the automatic transmission of the springs is completed by combining with the conveying line, the automatic measurement of the looseness of the springs can be realized, and further the batch quick measurement of whether the springs are loosened or not can be realized; the online rapid batch automatic measurement of a plurality of springs on a single workpiece is realized by combining the precise rotary table and a plurality of groups of torque looseness measurement systems.

The fixed bolster 6 has been installed to 2 one ends of speed reducer of this embodiment, torque meter 3 is installed in fixed bolster 6, fixed bolster 6 is including installing the first plate body 601 in 2 one ends of speed reducer, install two second plate body 602 in first plate body 601 one side, and torque meter 3 is located between two second plate body 602, die clamping cylinder 4 passes through second connecting axle 8 and connects epaxially in the torque meter lower extreme, 2 output of speed reducer run through be connected with first connecting axle 7 between the one end of first plate body 601 and the output of 3 upper ends of torque meter, be connected with second connecting axle 8 between the output of 3 lower extremes of torque meter and the die clamping cylinder 4, the 5 inner walls of clamping jaw are equipped with anti-skidding channel, be convenient for press from both sides the tight spring that awaits measuring.

The above embodiments may be combined with each other.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Claims

1. An automatic measuring device for the looseness of a spring, comprising: the device comprises a rotary table, wherein the bottom end of the rotary table is provided with a plurality of measuring assemblies, each measuring assembly comprises a servo motor (1), a speed reducer (2) connected with the output end of the servo motor (1) is arranged on the servo motor (1), one end of the speed reducer (2) is connected with a torque meter (3), and one end of the torque meter (3) is provided with a clamping cylinder (4);

two clamping jaws (5) are connected to the clamping cylinder (4), and the cross section of each clamping jaw (5) is V-shaped.

2. The automatic measuring device for the looseness of the spring according to claim 1, wherein a fixing bracket (6) is installed at one end of the speed reducer (2), and the torque meter (3) is installed in the fixing bracket (6).

3. The automatic measuring device for the looseness of a spring according to claim 2, wherein the fixing support (6) comprises a first plate body (601) installed at one end of the speed reducer (2), and two second plate bodies (602) installed at one side of the first plate body (601), and the torque meter (3) is located between the two second plate bodies (602).

4. An automatic measuring device for the looseness of a spring according to claim 3, wherein the clamping cylinder (4) is connected to a shaft at the lower end of the torque meter through a second connecting shaft (8).

5. The automatic measuring device for the looseness of the spring according to claim 3, wherein a first connecting shaft (7) is connected between one end, penetrating through the first plate body (601), of the output end of the speed reducer (2) and the output end of the upper end of the torque meter (3), and a second connecting shaft (8) is connected between the output end of the lower end of the torque meter (3) and the clamping cylinder (4).

6. An automatic measuring device for the looseness of a spring according to claim 1, wherein the inner wall of the clamping jaw (5) is provided with an anti-slip channel.