Spring detection device with automatic feeding and discharging functions

By designing a spring detection device with automatic loading and unloading, and using conductive detection and photoelectric sensors to realize automatic detection of springs, the problems of inaccurate measurement of spring free length and frequent manual operation are solved, the detection accuracy and production efficiency are improved, and the cost is reduced.

CN223440475UActive Publication Date: 2025-10-17DONGGUAN PINYI AUTOMATION TECH
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Patent Information

Application Number
CN202422686857.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-04
Publication Date
2025-10-17
Estimated Expiration
2034-11-04

AI Technical Summary

Technical Problem

In the prior art, the free length of the spring is not accurately measured, and there is a lack of automated loading and unloading detection devices, resulting in frequent manual operations and high costs.

Method used

An automatic loading and unloading spring detection device was designed, which included a loading and conveying mechanism, a quenching furnace, a unloading detection mechanism, and a gripping mechanism. Conductive detection blocks and insulating plates were used to detect the conductive parameters of the springs, and photoelectric sensors and linear modules were combined to achieve automated detection and sorting.

Benefits of technology

It realizes the automatic detection of springs, reduces manual operations, improves detection accuracy and production efficiency, and reduces costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automatic loading and unloading spring detection device, which comprises a loading conveying mechanism, a quenching smelting furnace and an unloading detection mechanism which are arranged in sequence, a spring is conveyed to the quenching smelting furnace by the loading conveying mechanism to be processed and then falls onto the unloading detection mechanism, and the unloading detection mechanism comprises a bottom plate which is obliquely arranged. A turnover discharging baffle and a fixed insulating plate are arranged on the bottom plate, the discharging baffle blocks or opens to enable a spring to slide onto the insulating plate, a horizontal linear module is installed on the lower side of the insulating plate, a second insulating block is fixed to a push rod driven by the horizontal linear module, and a conductive push block is fixed to the second insulating block. A first insulating block is installed on the left side or the right side of the insulating plate, a conductive detection block is fixed to the first insulating block, and the conductive detection block and the conductive push block are oppositely arranged and used for detecting conductive parameters of a spring located between the conductive detection block and the conductive push block. The device is simple in structural design, is used for assisting in automatic detection of failure of continuously produced springs, reduces manual operation, and saves cost.
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Description

TECHNICAL FIELD

[0001] The utility model relates to spring detection equipment improvement design technical field especially relates to a spring detection device of automatic feeding and discharging. BACKGROUND

[0002] Spring is a kind of mechanical parts using elasticity to work, spring bears load in work, and its load force and fatigue strength directly affect product, even the service life of other products, spring fatigue test is mainly through compression or stretching spring to test the fatigue of spring to obtain the fatigue characteristic of spring, such as in the automobile helical spring fatigue test, spring breaks or fails within the specified loading times and is judged as unqualified, spring break is easy to find by naked eye, but when spring fails, the free height of spring becomes smaller, and if it is less than a certain distance, it will be judged as failure. If the spring free length is measured by tape measure, since the two ends of the spring are not in a plane, only the approximate value can be roughly measured, and the measured value of the free length of the spring is extremely inaccurate.

[0003] In the prior art, the patent with the announcement number CN221350509U discloses a detection equipment with automatic discharging mechanism, relating to spring detection technical field, including hopper, the lower end of the hopper is fixedly provided with pipeline, and the pipeline is arranged as L type, both sides of the pipeline are fixedly provided with mounting bracket, and the upper end of the mounting bracket is rotatably provided with shaft at the corner of the pipeline, the periphery of the shaft is fixedly provided with rotating disc at both ends, and the periphery of the rotating disc is fixedly provided with telescopic support, and the number of telescopic supports is eight. Compared with the existing ordinary detection equipment, the detection equipment with automatic discharging mechanism places the product to be detected horizontally in the hopper, which is convenient for transporting, and when transporting, the rotating disc rotates to make the telescopic support enter the gap between the products, which can not only transport the products in order, but also prevent the rear products from entering in advance, thereby improving the safety of the device, and further simplifying the operation steps and reducing the labor intensity of workers.

[0004] The patent with the announcement number CN214107914U discloses an automatic high-efficiency spring detection equipment, which comprises an automatic spring length detection equipment, the automatic spring length detection equipment comprises an operation table and a detection device installed on the operation table, the front side of the operation table is provided with a feeding frame, the detection device is sequentially provided with a chain transmission mechanism, an adjustable fixing plate, a CCD, a linear motor module, a pushing mechanism and a rejection frame according to the sequence of spring detection, the chain transmission mechanism is installed on the surface of the operation table, the adjustable fixing plate is divided into two groups and symmetrically arranged on the two sides of the chain transmission mechanism, the rear side of the adjustable fixing plate is provided with a mounting bracket, and the bottom of the mounting bracket is installed on the operation table and one side is provided with a light source. The utility model discloses a set of equipment specially used for detecting the length of spring, which can efficiently detect the length of spring, and an automatic rejection mechanism is designed in the latter half of the detection equipment, so that the substandard spring can be rejected, and the functionality of the detection equipment is improved.

[0005] The present application provides a spring detection device with automatic feeding and discharging to solve one of the above problems. Utility model content

[0006] The utility model discloses a spring detection device with automatic feeding and discharging, which has a simple and compact structure, and is used to assist continuous production of spring automatic detection to determine whether the spring is invalid, reduce manual operation and save cost.

[0007] To achieve the above object, the utility model adopts the following technical scheme: a spring detection device with automatic feeding and discharging, which comprises feeding conveying mechanism, quenching furnace and discharging detection mechanism arranged in sequence, the feeding conveying mechanism conveys the spring to the quenching furnace for processing and then falls into the discharging detection mechanism, the discharging detection mechanism comprises an inclined bottom plate, the bottom plate is provided with a reversible discharging baffle and a fixed insulating plate, the discharging baffle blocks or opens to make the spring slide onto the insulating plate, a horizontal linear module is installed on the lower side of the insulating plate, a second insulating block is fixed on the push rod driven by the horizontal linear module, a conductive push block is fixed on the second insulating block, a first insulating block is installed on the left side or the right side of the insulating plate, a conductive detection block is fixed on the first insulating block, and the conductive detection block and the conductive push block are oppositely arranged and used for detecting the conductive parameters of the spring between them.

[0008] Further, the insulating plate is a bent plate, one side of the bent plate is attached to the bottom plate, and the other side of the bent plate is perpendicular to the plane of the bottom plate.

[0009] Further, the discharging baffle is connected with a turnover air cylinder, and the turnover air cylinder is fixed on the middle part of the bottom plate through a mounting seat.

[0010] Furthermore, the horizontal linear module as described above is installed at the lower end of the base plate and close to the insulating plate. The horizontal linear module includes a first motor and a first screw mechanism driven by the first motor after deceleration. A push rod is installed on the first nut seat of the first screw mechanism.

[0011] Furthermore, the push rod as described above is suspended above the insulating plate, and a photoelectric sensor is provided between the insulating plate and the discharge baffle.

[0012] Furthermore, it also includes a grasping mechanism, which includes a planar linear module fixed in the box body, a slide cylinder is provided below the planar linear module, a guide rod cylinder is connected below the slide cylinder, a plurality of clamping cylinders are installed below the guide rod cylinder, and a claw hand for clamping the spring located on the insulating plate is provided below the clamping cylinder.

[0013] Furthermore, the planar linear module described above includes a Y-axis linear module and an X-axis linear module arranged below the Y-axis linear module. The slide cylinder is connected below the X-axis linear module, and the telescopic shaft of the slide cylinder is connected to the mounting plate. A guide rod cylinder is fixed on the mounting plate, and the telescopic shaft of the guide rod cylinder is connected to the cross plate, on which multiple clamping cylinders are installed.

[0014] Furthermore, the Y-axis linear module and the X-axis linear module described above have the same structure and both use a motor that reduces speed and then drives a lead screw mechanism to perform linear motion.

[0015] Furthermore, the box body as described above is provided with boxes of qualified finished products and boxes of unqualified products, and the box body is arranged close to the bottom plate located on one side of the horizontal linear module.

[0016] Furthermore, the feeding and conveying mechanism as described above includes a feeding rack, on which a belt with a conveying spring is obliquely arranged, the belt is rotated by a driven pulley and a driving pulley, the driving pulley is driven by a second motor after being decelerated, the second motor is installed on the feeding rack, and the feeding rack is also equipped with a blanking plate, which is located below the blanking point of the belt.

[0017] Compared with the prior art, the beneficial effects of the present invention are: the structural design of the device is simple and compact, and it is used to assist in the automatic detection of failure of springs in continuous production, thereby reducing manual operations and saving costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the entire machine of the present utility model;

[0019] Figure 2 This is a schematic diagram of the feeding and conveying mechanism of the present utility model;

[0020] Figure 3 This is a schematic diagram of the blanking detection mechanism of the present utility model;

[0021] Figure 4 The schematic diagram of the grabbing mechanism of the utility model.

[0022] In the figure: 1, feeding conveying mechanism; 11, belt; 12, driven pulley; 13, blanking plate; 14, second motor; 15, feeding frame; 2, discharging detection mechanism; 20, bottom plate; 21, discharging baffle; 22, conductive detection block; 23, first insulating block; 24, horizontal linear module; 25, push rod; 26, insulating plate; 27, conductive push block; 28, second insulating block; 3, grabbing mechanism; 30, X linear module; 31, Y linear module; 32, sliding table cylinder; 33, guide rod cylinder; 34, claw hand; 35, clamping claw cylinder; 4, box body; 5, quenching furnace. DETAILED DESCRIPTION

[0023] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "fixed", "mounted", "connected", "provided" and the like should be understood broadly, for example, when an element is referred to as "fixed to" another element, it can be directly on the other element or there can be a middle element. When an element is considered "mounted on" another element, it can be directly mounted on the other element or there can be a middle element. When an element is considered "connected" to another element, it can be fixedly connected, or detachably connected, or integrally connected; it can be mechanically connected, or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two elements.

[0025] For those skilled in the art, the specific meanings of the above terms in the utility model can be understood according to the specific circumstances.

[0026] 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, not 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 scope of protection of the utility model.

[0027] Embodiment one

[0028] Referring to Figures 1-4 As shown in the utility model discloses a spring detection device of automatic feeding and discharging, including the feeding conveying mechanism 1, quenching furnace 5 and discharging detection mechanism 2 that are set in proper order, and the feeding conveying mechanism 1 is handled after conveying spring to quenching furnace 5 and falls into to the discharging detection mechanism 2 and is detected, wherein, the quenching furnace 5 is the conventional equipment on the market, and here is not repeated, the discharging detection mechanism 2 includes the bottom plate 20 that is set obliquely, is equipped with the discharge baffle 21 that can overturn and the fixed insulating plate 26 on the bottom plate 20, the discharge baffle 21 blocks or opens and makes spring slide to the insulating plate 26, and the horizontal linear module 24 is installed to the downside of insulating plate 26, and the second insulating block 28 is fixed on the push rod 25 driven by horizontal linear module 24, and the conductive push block 27 is fixed on the second insulating block 28, and the first insulating block 23 is installed to the left side or right side of insulating plate 26, and the conductive detection block 22 is fixed on the first insulating block 23, and the conductive detection block 22 is oppositely arranged with the conductive push block 27 and is used to detect the spring conductive parameter between the two, and after detection, the push rod 25 drives the conductive push block 27 to retreat and reset, and the specific working principle is that, adopts contact sensing technology, utilizes the electric conduction characteristic of spring material metal, and through surface conduction feedback to the PLC of complete machine, and through the length change of control, forms stable structure and judges whether spring is in failure state.

[0029] Embodiment two

[0030] Referring to Figures 1-4 As shown in the utility model discloses a spring detection device of automatic feeding and discharging, including the feeding conveying mechanism 1, quenching furnace 5 and discharging detection mechanism 2 that are set in proper order, and the feeding conveying mechanism 1 is handled after conveying spring to quenching furnace 5 and falls into to the discharging detection mechanism 2 and is detected, wherein, the quenching furnace 5 is the conventional equipment on the market, and here is not repeated, the discharging detection mechanism 2 includes the bottom plate 20 that is set obliquely, is equipped with the discharge baffle 21 that can overturn and the fixed insulating plate 26 on the bottom plate 20, the discharge baffle 21 blocks or opens and makes spring slide to the insulating plate 26, and the horizontal linear module 24 is installed to the downside of insulating plate 26, and the second insulating block 28 is fixed on the push rod 25 driven by horizontal linear module 24, and the conductive push block 27 is fixed on the second insulating block 28, and the first insulating block 23 is installed to the left side or right side of insulating plate 26, and the conductive detection block 22 is fixed on the first insulating block 23, and the conductive detection block 22 is oppositely arranged with the conductive push block 27 and is used to detect the spring conductive parameter between the two, and after detection, the push rod 25 drives the conductive push block 27 to retreat and reset, and the specific working principle is that, adopts contact sensing technology, utilizes the electric conduction characteristic of spring material metal, and through surface conduction feedback to the PLC of complete machine, and through the length change of control, forms stable structure and judges whether spring is in failure state. Figure 3

[0031] ​Furthermore, the horizontal linear module 24 is mounted at the lower end of the base plate 20 and adjacent to the insulating plate 26. It includes a first motor and a first screw mechanism driven by the first motor after it is decelerated. A push rod 25 is mounted on the first nut seat of the first screw mechanism. The screw mechanism is a mature component on the market, and its structure is not described in detail here. Furthermore, the push rod 25 is suspended above the insulating plate 26. The push rod 25 itself does not contact the spring, ensuring that the conductive push block 27 remains close to, but not in contact with, the insulating plate 26. A photoelectric sensor is located between the insulating plate 26 and the discharge baffle 21 to detect the spring's slipping signal, which is transmitted to the machine's PLC to activate the horizontal linear module 24.

[0032] Example 3

[0033] Reference Figures 1-4 As shown, based on the technical solution of the above embodiment, a spring detection device for automatic loading and unloading also includes a gripping mechanism 3 located on one side of the unloading detection mechanism 2, such as Figure 4 As shown, the gripping mechanism 3 includes a planar linear module fixed within a housing 4. A slide cylinder 32 is provided below the planar linear module, allowing the slide cylinder 32 to move in the X-axis and Y-axis directions. A guide rod cylinder 33 is connected below the slide cylinder 32, allowing the guide rod cylinder 33 to move upward and downward as a whole. A plurality of gripper cylinders 35 are installed below the guide rod cylinder 33, allowing the overall height of the gripper cylinder 35 to be adjusted. A gripper 34 for gripping a spring located on the insulating plate 26 is provided below the gripper cylinder 35. Specifically, the planar linear module includes a Y-axis linear module 31 and an X-axis linear module 30 provided below the Y-axis linear module 31. The slide cylinder 32 is connected below the X-axis linear module 30. The telescopic shaft of the slide cylinder 32 is connected to a mounting plate, to which the guide rod cylinder 33 is fixed. The telescopic shaft of the guide rod cylinder 33 is connected to a cross plate, to which a plurality of gripper cylinders 35 are installed. In addition, the Y-axis linear module 31 and the X-axis linear module 30 have the same structure and both drive the screw mechanism to move linearly after the motor slows down. The linear module combining the motor and the screw mechanism is a conventional and mature structural design and will not be described in detail here.

[0034] Furthermore, the box body 4 is provided with boxes of qualified finished products and boxes of unqualified products, and the box body 4 is arranged close to the bottom plate 20 located on one side of the horizontal linear module 24. Figure 2 As shown, the feeding and conveying mechanism 1 includes a feeding rack 15, on which a belt 11 with a conveying spring is obliquely arranged. The belt 11 rotates through a driven pulley 12 and a driving pulley. The driving pulley is driven by a second motor 14 after being decelerated. The second motor 14 is installed on the feeding rack 15. The feeding rack 15 is also equipped with a blanking plate 13, which is located below the blanking point of the belt 11.

[0035] The utility model discloses a device is a kind of for measuring spring free length's detection mechanism, its operation steps are as follows: first by artificial spring is placed into to the belt 11 of upper feeder conveying mechanism 1, second motor 14 actuation belt 11 circulatory operation, belt 11 both ends use driving pulley and the dynamic pulley is to better let belt 11 rotate, reduce friction, every spring is conveyed will fall into blanking plate 13 again drop into quenching furnace 5 and carry out heating quenching, after heating quenching, spring blanking is to the bottom plate 20 of lower feeder detection mechanism 2 and is blocked by spring by discharging baffle 21, discharging baffle 21 opens and photoelectric sensor senses that spring drops on insulating plate 26, ensure that spring is in the range of push rod 25, between conductive push block 27 and push rod 25 need to use second insulating block 28 insulation, horizontal straight line module 24 act from left to right push spring after driving, let spring contact conductive detection block 22 to detect spring (the contact surface of detection spring uses glass fiber plate and uses insulating block to insulate to better reach the purpose of insulation, avoid spring detection inaccuracy), after spring detection, grabbing mechanism 3 act, X straight line module 30 and Y straight line module 31 drive sliding table cylinder 32 and guide rod cylinder 33 move back and forth, clamping jaw cylinder 35 elevating movement and drive claw hand 34 telescopic and grab spring, and the good and bad of detected are respectively placed in the qualified product box and unqualified product box under box 4.

[0036] In the utility model device, the assembly and cooperation relationship of each component, quenching furnace 5, belt 11, photoelectric sensor, cylinder, linear module, motor and matching speed reducer and its control software are prior art or materials, and the skilled in the art can directly purchase or order from the market according to the required product model and specification.

[0037] The electric elements appearing in the paper are all connected with the main controller and 220V mains or industrial electricity, and the main controller can be a conventional known device such as a computer that can play a control role.

[0038] The above is only the preferred specific embodiment of the utility model, and the specific structure and characteristics of the known scheme are not described in detail here. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and any person skilled in the art can make equivalent replacement or change according to the technical scheme and utility model concept of the utility model within the technical range disclosed by the utility model. It should be covered within the protection scope of the utility model.

Claims

1. An automatic loading and unloading spring detection device, comprising a loading and conveying mechanism (1), a quenching furnace (5) and a unloading detection mechanism (2) arranged in sequence, wherein the loading and conveying mechanism (1) conveys the spring to the quenching furnace (5) for processing and then drops the spring onto the unloading detection mechanism (2), characterized in that: The blanking detection mechanism (2) includes an inclined bottom plate (20), a reversible discharge baffle (21) and a fixed insulating plate (26) are provided on the bottom plate (20), the discharge baffle (21) blocks or opens to allow the spring to slide onto the insulating plate (26), a horizontal linear module (24) is installed on the lower side of the insulating plate (26), a second insulating block (28) is fixed on the push rod (25) driven by the horizontal linear module (24), a conductive push block (27) is fixed on the second insulating block (28), a first insulating block (23) is installed on the left or right side of the insulating plate (26), a conductive detection block (22) is fixed on the first insulating block (23), the conductive detection block (22) and the conductive push block (27) are arranged opposite to each other and are used to detect the conductive parameters of the spring located between the two.

2. The automatic loading and unloading spring detection device according to claim 1 is characterized in that: The insulating plate (26) is a bent plate, one side of the bent plate is in contact with the bottom plate (20), and the other side of the bent plate is perpendicular to the plane of the bottom plate (20).

3. The automatic loading and unloading spring detection device according to claim 2 is characterized in that: The discharging baffle (21) is connected to the turning cylinder, and the turning cylinder is fixed to the middle part of the bottom plate (20) through a mounting seat.

4. The automatic loading and unloading spring detection device according to claim 3 is characterized in that: The horizontal linear module (24) is installed at the lower end of the base plate (20) and close to the insulating plate (26). The horizontal linear module (24) includes a first motor and a first screw mechanism driven by the first motor after deceleration. A push rod (25) is installed on the first nut seat of the first screw mechanism.

5. The automatic loading and unloading spring detection device according to claim 4 is characterized in that: The push rod (25) is suspended above the insulating plate (26), and a photoelectric sensor is provided between the insulating plate (26) and the discharge baffle (21).

6. The automatic loading and unloading spring detection device according to any one of claims 1 to 5, characterized in that: The invention also includes a gripping mechanism (3), wherein the gripping mechanism (3) includes a planar linear module fixed in a box (4), a slide cylinder (32) is provided below the planar linear module, a guide rod cylinder (33) is connected below the slide cylinder (32), a plurality of clamping cylinders (35) are installed below the guide rod cylinder (33), and a claw hand (34) for clamping a spring located on the insulating plate (26) is provided below the clamping cylinder (35).

7. The automatic loading and unloading spring detection device according to claim 6, characterized in that: The plane linear module comprises a Y-direction linear module (31) and an X-direction linear module (30) arranged below the Y-direction linear module (31); a slide cylinder (32) is connected below the X-direction linear module (30); a telescopic shaft of the slide cylinder (32) is connected to a mounting plate; a guide rod cylinder (33) is fixed on the mounting plate; a telescopic shaft of the guide rod cylinder (33) is connected to a horizontal plate; and a plurality of clamping claw cylinders (35) are installed on the horizontal plate.

8. The automatic loading and unloading spring detection device according to claim 7, characterized in that: The Y-direction linear module (31) and the X-direction linear module (30) have the same structure and both drive the screw mechanism to move linearly after the motor slows down.

9. The automatic loading and unloading spring detection device according to claim 8, characterized in that: The box (4) is provided with boxes of qualified finished products and boxes of unqualified products. The box (4) is arranged close to the bottom plate (20) located on one side of the horizontal linear module (24).

10. The automatic loading and unloading spring detection device according to claim 9, characterized in that: The feeding and conveying mechanism (1) comprises a feeding frame (15), a belt (11) with a conveying spring is obliquely arranged on the feeding frame (15), the belt (11) is driven to rotate by a driven pulley (12) and a driving pulley, the driving pulley is driven by a second motor (14) after deceleration, the second motor (14) is installed on the feeding frame (15), and the feeding frame (15) is also equipped with a blanking plate (13), and the blanking plate (13) is located below the blanking position of the belt (11).

Citation Information

Patent Citations

  • Automatic efficient spring detection equipment

    CN214107914U

  • Detection equipment with automatic discharging mechanism

    CN221350509U