CN110514374A - A rapid detection device for spring elastic coefficient - Google Patents

Abstract

The invention discloses a spring elastic coefficient rapid detection device, which comprises a detection box and a detection cavity arranged in the detection box, the rear wall of the detection cavity is fixed with a fixed rod, and the front end of the fixed rod is fixed with a working box , the working chamber is provided with a working chamber, the left and right walls of the working chamber are provided with through holes penetrating left and right, the working chamber is provided with a pressing mechanism, the detection chamber is provided with a closing mechanism, and the spring passes through the The through hole is placed in the working chamber. The present invention uses a constant force to compress the spring, and then judges the elastic coefficient of the spring according to the displacement of the spring, and the present invention can detect the springs in batches, and the detection process has a high degree of automation, thereby The efficiency is improved, and at the same time, after the spring is detected, the present invention can classify and screen the spring according to the elastic coefficient of the spring, so as to ensure the consistency of the product and improve the credibility of the product.

Description

A rapid detection device for spring elastic coefficient

technical field

The invention relates to the technical field of spring detection, in particular to a rapid detection device for spring elastic coefficient.

Background technique

The elastic coefficient of the spring is also called the stiffness coefficient, which is to describe the size of the elastic force generated by the unit deformation. If the elastic coefficient value of a spring is larger, it means that the force required for the spring deformation unit is large. In the spring production Among them, the elastic coefficient detection of springs produced in the same batch is generally a sampling inspection, and it is difficult to ensure the consistency of all spring elastic coefficients. If all springs are tested, the use of existing detection equipment will greatly increase the cost, and the efficiency In order to solve the above problems, the present invention has been proposed.

Contents of the invention

The technical problem to be solved by the present invention is to provide a spring elastic coefficient rapid detection device, which overcomes the above-mentioned problems.

The present invention is achieved through the following technical solutions.

A spring elastic coefficient rapid detection device of the present invention comprises a detection box and a detection cavity arranged in the detection box, the rear wall of the detection cavity is fixed with a fixed rod, and the front end of the fixed rod is fixed with a working box, The working chamber is provided with a working chamber, the left and right walls of the working chamber are provided with through holes penetrating left and right, the working chamber is provided with a pressing mechanism, the detection chamber is provided with a closing mechanism, and the spring passes through the The through hole is placed in the working chamber, the closing mechanism closes the through hole, the pressing mechanism uses a certain force to compress the spring, and the spring can be known according to the compression distance of the spring. coefficient of elasticity;

The detection cavity is rotatably provided with a turntable, and the turntable is provided with four placement slots opening upwards, and storage boxes are placed in the placement slots, and the storage boxes are located at the lower side of the working box. The storage box is provided with an upwardly opening storage cavity;

A push-out mechanism is provided in the detection cavity, and after the spring detection is completed, the closing mechanism opens the through hole, and the rotation of the turntable rotates the storage box corresponding to the elastic coefficient of the spring to the working box On the lower left side, the push-out mechanism pushes out the spring in the working chamber so that the spring falls into the storage chamber, thereby screening the springs with different elastic coefficients;

A feeding mechanism is provided in the detection chamber, and the feeding mechanism can send the spring into the working chamber.

Further, the push-out mechanism includes an electric guide rail fixedly arranged on the front wall of the detection chamber, a transmission block is installed on the front side of the electric guide rail, and a connection block is fixed at the front end of the transmission block, and the connection block can pass through the The through hole enters the working chamber, the working box is provided with a gap that opens forward and communicates with the working chamber, the gap runs through the working box left and right, and the connecting block enters the working chamber , the transmission block passes through the gap.

Further, the feeding mechanism includes a support plate fixedly arranged on the left wall of the detection chamber, a feeding tube is fixed on the upper surface of the support plate, a feeding cavity is provided in the feeding tube, and a feeding cavity is arranged in the feeding cavity. The spring is stored, the right wall of the feeding chamber is provided with a left and right through discharge hole, the feeding chamber is provided with a moving plate that can move left and right, the left end of the connecting block is fixed with a first electromagnet, When the connecting block passes through the working chamber, the spring that has been detected in the working chamber is pushed into the storage chamber, and the connecting block continues to move to the left so that the first electromagnet and the The right end surface of the feeding pipe is against each other, the moving plate pushes the spring to the right, the first electromagnet is energized to fix the spring on the first electromagnet, and the connecting block moves to the right. When the first electromagnet moves into the working chamber, the first electromagnet is de-energized, leaving the spring in the working chamber.

Further, a second electromagnet is fixed in the front wall of the working chamber.

Further, a rotating motor is fixed on the upper surface of the supporting plate, a rotating shaft is connected to the upper side of the rotating motor, and a cam is fixed on the upper end of the rotating shaft, and the cam is in contact with the left end surface of the moving plate, so that The left end surface of the feeding pipe is fixedly provided with a support plate, and a chute opening downward is provided in the support plate, and a slider is slid in the chute, and the slider is fixedly connected with the moving plate. A pressure spring is connected between the slide block and the right wall of the chute.

Further, the closing mechanism includes a left-right symmetrical and rotatable rotating shaft arranged on the rear wall of the detection chamber, one end of the rotating rod is fixed with a closing block, and the rotation of the rotating shaft can make the closing block move to the desired position. The through hole is closed in the through hole.

Further, a second electric push rod is fixed on the top wall of the detection chamber, and a drive plate is fixed on the lower end of the second push rod on the lower side of the second electric push rod. There is a rack, and a gear located on the rear side of the rotating rod is fixed on the rotating shaft, and the gear is meshed with the rack.

Further, the pressing mechanism includes a first electric push rod fixedly arranged on the top wall of the working chamber, and a lower pressing block is fixedly provided at the lower end of the first push rod on the lower side of the first electric push rod.

Further, four positioning sensors are provided on the rear wall of the working chamber. After the pressing of the lower pressing block is completed, the positioning sensors can detect the position of the lower pressing block, thereby judging the descending distance of the lower pressing block. The bottom wall of the detection chamber is fixed with an adjustment motor, and the upper side of the adjustment motor is connected with a power shaft, and the power shaft is fixedly connected with the lower end surface of the turntable. Signal transmission.

Beneficial effects of the present invention: the present invention uses a constant force to compress the spring, and then judges the elastic coefficient of the spring according to the displacement of the spring, and the present invention can detect the springs in batches, and the detection process has a high degree of automation, thereby improving the efficiency. At the same time, After the spring is detected, the present invention can classify and screen the spring according to the elastic coefficient of the spring, so as to ensure the consistency of the product and improve the credibility of the product.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only For some embodiments of the invention, those skilled in the art can also obtain other drawings based on these drawings without creative effort.

Fig. 1 is a schematic diagram of the overall structure of the present invention;

Fig. 2 is a structural representation of the present invention when working;

Fig. 3 is a schematic diagram of the structure at A-A in Fig. 1;

Fig. 4 is a schematic diagram of the structure at B-B in Fig. 2 .

Detailed ways

Below in conjunction with Fig. 1-4, the present invention is described in detail, wherein, for the convenience of narration, the orientation mentioned below is stipulated as follows now: the up, down, left, right, front and back directions mentioned below are consistent with the up, down, left, right, front and back directions of the projection relationship of Fig. 1 itself.

A kind of spring elastic coefficient rapid detection equipment described in conjunction with accompanying drawing 1-4, mainly comprises detection box 10 and the detection cavity 11 that is arranged in described detection box 10, and described detection cavity 11 rear wall is fixedly provided with fixing bar 48 , the front end of the fixed rod 48 is fixedly provided with a working box 21, the working box 21 is provided with a working chamber 22, the left and right walls of the working chamber 22 are provided with through holes 24 penetrating left and right, and the working chamber 22 is provided with There is a pressing mechanism 93, and the detection chamber 11 is provided with a closing mechanism 90, and the spring 17 is placed in the working chamber 22 through the through hole 24, and the closing mechanism 90 closes the through hole 24, so that The pressing mechanism 93 uses a certain force to compress the spring 17, and the elastic coefficient of the spring 17 can be known according to the compression distance of the spring 17;

The detection cavity 11 is rotatably provided with a turntable 41, and the turntable 41 is provided with four placement grooves 38 opening upwards, and a storage box 36 is placed in the placement groove 38, and the storage box 36 is located in the said placement groove 38. On the lower side of the working box 21, the storage box 36 is provided with an upwardly opening storage chamber 37;

The detection cavity 11 is provided with a push-out mechanism 91, and after the detection of the spring 17 is completed, the closure mechanism 90 opens the through-hole 24, and the rotation of the turntable 41 stores the stored value corresponding to the elastic coefficient of the spring 17. The box 36 rotates to the lower left side of the working box 21, and the push-out mechanism 91 pushes out the spring 17 in the working chamber 22, so that the spring 17 falls into the storage chamber 37, so that the spring 17 with different elastic coefficients The spring 17 is screened;

A feeding mechanism 92 is provided in the detection chamber 11 , and the feeding mechanism 92 can send the spring 17 into the working chamber 22 .

Beneficially, the push-out mechanism 91 includes an electric guide rail 49 fixedly arranged on the front wall of the detection chamber 11, a transmission block 19 is installed on the front side of the electric guide rail 49, and a connecting block 18 is fixedly provided at the front end of the transmission block 19, The connection block 18 can enter the working chamber 22 through the through hole 24, and the working box 21 is provided with a gap 51 that opens forward and communicates with the working chamber 22, and the gap 51 runs through the When the connecting block 18 enters the working chamber 22, the transmission block 19 passes through the gap 51.

Beneficially, the feeding mechanism 92 includes a support plate 43 fixedly arranged in the left wall of the detection chamber 11, the upper end surface of the support plate 43 is fixedly provided with a feeding tube 15, and the feeding tube 15 is provided with a feeding chamber 16. The spring 17 is stored in the feeding chamber 16, the right wall of the feeding chamber 16 is provided with a discharge hole 42 penetrating left and right, and the moving plate 47 that can move left and right is provided in the feeding chamber 16, so The left end surface of the connecting block 18 is fixed with a first electromagnet 20. When the connecting block 18 passes through the working chamber 22, the spring 17 that has been detected in the working chamber 22 is pushed to the storage chamber 37. , the connecting block 18 continues to move to the left so that the first electromagnet 20 abuts against the right end surface of the feeding tube 15, the moving plate 47 pushes the spring 17 to the right, and the first electromagnet 20 The spring 17 is fixed on the first electromagnet 20 by electrification, and the connecting block 18 moves to the right. When the first electromagnet 20 moves into the working chamber 22, the first electromagnet 20 is powered off, leaving the spring 17 in the working cavity 22 .

Beneficially, a second electromagnet 50 is fixed in the front wall of the working chamber 22 .

Beneficially, the upper end surface of the support plate 43 is fixedly provided with a rotating motor 44, the upper side of the rotating motor 44 is power-connected with a rotating shaft 45, and the upper end of the rotating shaft 45 is fixedly provided with a cam 46, and the cam 46 is connected to the The left end surface of the moving plate 47 is offset, and the left end surface of the feeding pipe 15 is fixedly provided with a bracket plate 52, and a downwardly opening chute 13 is provided in the described bracket plate 52, and a slide block 12 is slidably arranged in the chute 13, The slider 12 is fixedly connected to the moving plate 47 , and a pressing spring 14 is connected between the slider 12 and the right wall of the chute 13 .

Beneficially, the closing mechanism 90 includes a left-right symmetrical and rotatable rotating shaft 35 arranged on the rear wall of the detection chamber 11, one end of the rotating rod 27 is fixed with a closing block 26, and the rotating shaft 35 can rotate the The closing block 26 moves into the through hole 24 to close the through hole 24 .

Beneficially, a second electric push rod 31 is fixed in the top wall of the detection cavity 11, and a transmission plate 29 is fixed at the lower end of the second push rod 30 on the lower side of the second electric push rod 31, and the transmission plate 29 A rack 23 is fixed symmetrically on the lower end surface left and right, and a gear 28 located on the rear side of the rotating rod 27 is fixed on the rotating shaft 35 , and the gear 28 meshes with the rack 23 .

Beneficially, the press-down mechanism 93 includes a first electric push rod 32 fixedly arranged on the top wall of the working chamber 22, and the lower end of the first push rod 33 on the lower side of the first electric push rod 32 is fixedly provided with a press-down Block 34.

Beneficially, four positioning sensors 25 are provided in the rear wall of the working chamber 22. After the pressing down of the pressing block 34 is completed, the positioning sensors 25 can detect the position of the pressing block 34, thereby judging the position of the pressing block 34. The lowering distance of the pressing block 34, the bottom wall of the detection chamber 11 is fixedly provided with an adjustment motor 40, and the upper side of the adjustment motor 40 is dynamically connected with a power shaft 39, and the power shaft 39 is fixedly connected with the lower end surface of the turntable 41. Signal transmission is provided between the adjustment motor 40 and the positioning sensor 25 .

The sequence of mechanical actions of the entire device:

1. The rotary motor 44 starts to drive the cam 46 to rotate through the rotating shaft 45, and the cam 46 promotes the moving plate 47 to move to the right, and the moving plate 47 pushes a spring 17 in the feeding chamber 16 to the right so that the spring 17 and the first electromagnet 20 offset;

2. The first electromagnet 20 energizes and attracts the spring 17;

3. The electric guide rail 49 starts to drive the connecting block 18 to move to the right through the transmission block 19, and the connecting block 18 drives the first electromagnet 20 to move to the right;

4. When the first electromagnet 20 moves into the working chamber 22, the first electromagnet 20 is powered off, the second electromagnet 50 is energized to attract the spring 17, the first electromagnet 20 continues to move to the right, and the spring 17 stays in the working chamber 22;

5. The second electric push rod 31 starts to drive the transmission plate 29 to rise through the second push rod 30, and the transmission plate 29 drives the rack 23 to rise, and the gear 28 rotates, so that the rotating shaft 35 rotates, and the rotating rod 27 drives the closing block 26 to rotate to close. After the through hole 24 is closed by the block 26, the second electric push rod 31 is closed, and the second electromagnet 50 is powered off;

6. The first electric push rod 32 is started, and the spring 17 is pressed downward with a constant force. The larger the elastic coefficient of the spring 17, the smaller the downward displacement distance of the lower pressing block 34;

7. After the displacement of the lower pressing block 34 is completed, the lower pressing block 34 is in contact with one of the positioning sensors 25, and the motor 40 is adjusted to start, and the power shaft 39 drives the turntable 41 to rotate, so that the corresponding storage box 36 is rotated to the left side of the working box 21;

8. The first electric push rod 32 is activated to return the lower pressing block 34 to the initial position, and the second electric push rod 31 is activated to return the closing block 26 to the initial position;

9. The electric guide rail 49 starts to make the first electromagnet 20 move to the left. When the first electromagnet 20 moves into the working chamber 22, the spring 17 is pushed into the storage chamber 37, and the first electromagnet 20 continues to move to the left and returns to the initial position. position, start the detection step of the next spring 17.

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present invention, and the purpose is to enable those skilled in the art to understand and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention shall fall within the protection scope of the present invention.

Claims (9)

1. A kind of spring elastic coefficient fast detection equipment, comprise detection box and be arranged on the detection cavity in described detection box, described detection chamber rear wall is fixedly provided with fixed bar, and described fixed bar front end is fixedly provided with working box, so A working chamber is provided in the working chamber, and the feature is that: the left and right walls of the working chamber are provided with through holes penetrating left and right, the working chamber is provided with a pressing mechanism, and the detection chamber is provided with a sealing mechanism, which will The spring is placed in the working chamber through the through hole, the closing mechanism closes the through hole, and the pressing mechanism uses a certain force to compress the spring. According to the compression distance of the spring, it can be known The spring constant of the spring; The detection cavity is rotatably provided with a turntable, and the turntable is provided with four placement slots opening upwards, and storage boxes are placed in the placement slots, and the storage boxes are located at the lower side of the working box. The storage box is provided with an upwardly opening storage cavity; A push-out mechanism is provided in the detection cavity, and after the spring detection is completed, the closing mechanism opens the through hole, and the rotation of the turntable rotates the storage box corresponding to the elastic coefficient of the spring to the working box On the lower left side, the push-out mechanism pushes out the spring in the working chamber so that the spring falls into the storage chamber, thereby screening the springs with different elastic coefficients; A feeding mechanism is provided in the detection chamber, and the feeding mechanism can send the spring into the working chamber. 2. A spring elastic coefficient rapid detection device according to claim 1, characterized in that: the push-out mechanism includes an electric guide rail fixedly arranged on the front wall of the detection chamber, and a transmission block is installed on the front side of the electric guide rail , the front end of the transmission block is fixed with a connecting block, the connecting block can enter the working chamber through the through hole, and the working box is provided with a gap that opens forward and communicates with the working chamber, so The notch runs through the working box left and right, and when the connecting block enters the working chamber, the transmission block passes through the notch. 3. A spring elastic coefficient rapid detection device according to claim 2, characterized in that: the feeding mechanism includes a support plate fixedly arranged on the left wall of the detection chamber, and the upper surface of the support plate is fixedly arranged There is a feeding pipe, the feeding pipe is provided with a feeding chamber, the spring is stored in the feeding chamber, the right wall of the feeding chamber is provided with a discharge hole penetrating left and right, and the feeding chamber is provided with a left and right A moving moving board, the left end of the connecting block is fixed with a first electromagnet, and when the connecting block passes through the working chamber, the spring that has been detected in the working chamber is pushed into the storage chamber , the connecting block continues to move to the left so that the first electromagnet is against the right end surface of the feeding tube, the moving plate pushes the spring to the right, and the first electromagnet is energized to fix the spring on the On the first electromagnet, the connecting block moves to the right, and when the first electromagnet moves into the working cavity, the first electromagnet is de-energized, leaving the spring in the working cavity. cavity. 4. The spring elastic coefficient rapid detection device according to claim 3, characterized in that: a second electromagnet is fixed in the front wall of the working chamber. 5. A spring elastic coefficient rapid detection device according to claim 3, characterized in that: the upper surface of the support plate is fixed with a rotating motor, and the upper side of the rotating motor is connected with a rotating shaft, and the rotating shaft The upper end is fixed with a cam, and the cam is against the left end surface of the moving plate, and the left end surface of the feeding pipe is fixed with a support plate, and a downwardly opening chute is provided in the support plate, and the chute slides A slide block is provided, and the slide block is fixedly connected with the moving plate, and a pressure spring is connected between the slide block and the right wall of the chute. 6. A spring elastic coefficient rapid detection device according to claim 1, characterized in that: the closing mechanism includes a symmetrical and rotatable rotating shaft arranged on the rear wall of the detection chamber, and one end of the rotating rod is fixed A closing block is provided, and the rotation of the rotating shaft can move the closing block into the through hole to close the through hole. 7. A spring elastic coefficient rapid detection device according to claim 6, characterized in that: a second electric push rod is fixed in the top wall of the detection chamber, and the second electric push rod on the lower side of the second electric push rod The lower end of the push rod is fixed with a transmission plate, and the lower end surface of the transmission plate is fixed with a toothed rack symmetrically. The rotating shaft is fixed with a gear located at the rear side of the rotating rod. . 8. A spring elastic coefficient rapid detection device according to claim 1, characterized in that: the press-down mechanism includes a first electric push rod fixedly arranged on the top wall of the working chamber, and the first electric push rod The lower end of the first push rod on the lower side of the rod is fixedly provided with a lower pressing block. 9. A spring elastic coefficient rapid detection device according to claim 8, characterized in that: four positioning sensors are arranged in the rear wall of the working chamber, and after the pressing of the lower pressing block is completed, the positioning sensors The position of the lower pressing block can be detected, thereby judging the descending distance of the lower pressing block. The bottom wall of the detection chamber is fixed with an adjustment motor, and the upper side of the adjustment motor is connected with a power shaft, and the power shaft is connected to the The lower end surface of the turntable is fixedly connected, and signal transmission is provided between the adjustment motor and the positioning sensor.