Coil spring force measuring and marking all-in-one machine

By designing an all-in-one coil spring force measurement and marking machine, the tensile performance testing and marking functions are combined into the same machine, solving the problems of complex operation and test deviation in coil spring production in the existing technology, and realizing efficient and accurate coil spring production.

CN223441352UActive Publication Date: 2025-10-17SUZHOU KINGREACH INTELLIGENT EQUIP TECH CO LTD
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Patent Information

Application Number
CN202422562661.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-23
Publication Date
2025-10-17
Estimated Expiration
2034-10-23

AI Technical Summary

Technical Problem

In existing coil spring production, tensile performance testing and marking are two independent processes, resulting in complex operations, low efficiency due to repeated clamping, and large test deviations.

Method used

A coil spring force measurement and marking machine is designed to combine tensile performance testing and marking functions on the same machine. Integrated operation is achieved through a linear module, force sensor, and laser marking machine. A lifting mechanism and a pin support structure are used to reduce clamping friction and ensure test accuracy.

Benefits of technology

It enables the simultaneous completion of coil spring tension performance testing and marking on the same machine, reducing the complexity of clamping operations, improving production efficiency and ensuring test accuracy and consistency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a force measuring and marking all-in-one machine for a coil spring. The all-in-one machine comprises a rack, a working platform is assembled in the middle of the rack, an operation opening is formed in the front portion, located above the working platform, of the rack, a linear module is installed on the working platform and deviates from the operation opening, a jacking mechanism is installed on the working platform in front of the linear module, and a coil spring assembly is supported at the top of the jacking mechanism. A force sensor is installed on the linear module through a moving seat, a pull block is installed at the front end of the force sensor, and the pull block is assembled with the free end of a coil spring in the coil spring assembly; the laser marking machine is located over the coil spring assembly, the working end of the laser marking machine faces downwards, and codes are printed at the free end of the coil spring; after the free end of the coil spring is assembled on the pull block, the tension performance test of the coil spring can be realized through the force value feedback of the working binding force sensor of the linear module, meanwhile, coding can be performed on the free end through the laser marking machine, and force measurement and marking are effectively combined on the same machine table under the condition of one-time clamping, so that time and labor are saved, and the working efficiency is improved. The efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to spring production equipment technical field, especially a spring force marking all -in -one. BACKGROUND

[0002] Spring is widely used, such as the spring of automobile sunroof, constant force spring etc., most of the spring can realize automatic reset in a certain range, can continuously provide larger recovery force in the narrow space, and the performance difference and performance stability of spring are particularly key to actual use effect, in actual use, one end of spring provides reset for free end, and the other end of spring is fixed end, such as installing fixed end on the shaft.

[0003] Before the spring is produced, the tension performance of the spring needs to be detected, and different types of springs are marked, in the prior art, the tension performance detection and marking of the spring are usually two independent processes.

[0004] When the tension performance of the spring is detected, the fixed end is usually clamped and fixed, and then the free end of the spring is forced by combining the action of linear power, and the tension is detected, when the spring needs to be marked, the fixed end of the spring needs to be clamped and fixed again, the free end is slightly unfolded and fixed, and then the code is marked on the free end of the spring.

[0005] In the existing production operation, on the one hand, the feeding and clamping operation is complex, the speed is slow, and there is repeated clamping operation in different processes, on the other hand, the clamping of the fixed end will produce additional force in the test process, and the test deviation will be produced. UTILITY MODEL CONTENTS

[0006] To solve the above problems, the application provides a spring force marking all-in-one machine with reasonable structure, so as to effectively combine force measurement and marking on the same machine, save time and effort, and improve efficiency.

[0007] The technical scheme adopted by the utility model is as follows:

[0008] A spring force marking all-in-one machine, comprising a rack, a working platform is arranged in the middle of the rack, the front part of the rack above the working platform is provided as an operation port, a linear module is installed on the working platform away from the operation port, a jacking mechanism is installed on the working platform in front of the linear module, and the jacking mechanism supports a spring assembly at the top; a force sensor is installed on the linear module through a moving seat, a pulling block is installed at the front end of the force sensor, and the pulling block is matched with the free end of the spring in the spring assembly; further comprising a laser marking machine, the laser marking machine is located directly above the spring assembly, and the working end of the laser marking machine faces downward and marks the code on the free end of the spring.

[0009] As a further improvement of the above technical scheme:

[0010] The supporting mechanism is symmetrically installed on the working platform on the left and right sides of the jacking mechanism, the end of the supporting mechanism is installed with the shaft pin arranged in the axial direction and horizontally moved, and the shaft pin is arranged on the same straight line with the cylinder frame in the coil spring assembly.

[0011] The shaft pin forms a pointed end towards the coil spring assembly, and the diameter of the shaft pin away from the pointed end is increased to form a limiting step.

[0012] The structure of the single supporting mechanism comprises a supporting seat installed on the working platform, a lateral cylinder installed on the top surface of the supporting seat, a side moving plate of an inverted L-shaped structure installed on the output end of the lateral cylinder, and a shaft pin installed on the side surface of the side moving plate.

[0013] The lifting assembly is installed on the working platform outside the side surface of the linear module, and the laser marking machine is installed on the side surface of the lifting assembly; the handle is installed on the top surface of the lifting assembly, the internal lead screw of the lifting assembly is driven to rotate through the handle, and the height of the laser marking machine is adjusted.

[0014] The free end of the coil spring is provided with a through hole, the top surface of the pull block is extended upwards to form a protrusion, and the through hole is matched with the protrusion.

[0015] The protrusion extends a cantilever towards the direction of the pull block, and a clamping groove is formed below the cantilever; the height of the clamping groove is not less than the thickness of the coil spring.

[0016] The coil spring assembly comprises a cylinder frame, and the coil spring is wound on the cylinder frame; the jacking mechanism is supported on both ends of the cylinder frame; the structure of the jacking mechanism comprises a jacking cylinder, and the jacking cylinder is installed with a material placing seat on the top surface; the material placing seat is supported on both ends of the cylinder frame.

[0017] The material placing seat comprises a bottom plate, the top surface of the bottom plate is extended upwards to form a side plate, the top surface of the side plate is concave in the middle to form a supporting recess, and both ends of the cylinder frame are accommodated in the corresponding supporting recesses; the bottom of the supporting recess is provided with an inner concave arc structure, and the diameters of the inner concave arc structures on both sides are different.

[0018] The display screen is installed above the operation port.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] After the free end of the coil spring is assembled on the pull block, the force performance test of the coil spring can be realized through the force value feedback of the working combination force sensor of the linear module, and the code on the free end can be marked through the laser marking machine, so that the force test and the marking are effectively combined on the same machine in one clamping, time and labor are saved, and the efficiency is improved.

[0021] The utility model also has the following advantages:

[0022] In use, the coil spring assembly is supported on the jacking mechanism, the coil spring is fitted on the pulling block, then the two shaft pins are moved towards each other to support the coil spring assembly from the side, the jacking mechanism is lowered to disengage from the coil spring assembly, the coil spring is elongated by the linear module, and the force value is fed back in real time by the force sensor, so that the force of the coil spring is measured; the coil spring assembly is alternately supported by the jacking mechanism and the shaft pin, which facilitates feeding and effectively reduces or even prevents additional force caused by supporting friction during force measurement, thereby ensuring the accuracy of the test.

[0023] By setting the supporting notches on both sides of the material placing seat in the jacking mechanism to different sizes, the misplacement or reverse placement of the coil spring assembly during feeding is effectively reduced or even avoided, thereby playing a foolproof role. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a structural schematic view of the utility model.

[0025] Figure 2 It is a structural schematic view of the utility model (omitting the rack, workbench, etc.).

[0026] Figure 3 It is a layout schematic view of the supporting mechanism and the jacking mechanism relative to the coil spring assembly.

[0027] Figure 4 It is a fitting schematic view of the coil spring and the pulling block.

[0028] Figure 5 It is Figure 4 It is a local enlarged view of A in the middle.

[0029] Figure 6 It is a structural schematic view of the material placing seat.

[0030] Among them: 1, the rack; 2, the jacking mechanism; 3, the supporting mechanism; 4, the linear module; 5, the laser marking machine; 6, the force sensor; 7, the coil spring assembly; 8, the pulling block;

[0031] 11, the work platform; 12, the display screen;

[0032] 21, the jacking cylinder; 22, the material placing seat; 221, the bottom plate; 222, the side plate; 223, the supporting notch;

[0033] 31, the supporting seat; 32, the lateral cylinder; 33, the shaft pin;

[0034] 41, the moving seat;

[0035] 51, the lifting assembly; 52, the handle;

[0036] 71, the barrel frame; 72, the coil spring; 720, the through hole;

[0037] 81, protrusion; 82, clamping groove. DETAILED DESCRIPTION

[0038] The specific embodiments of the utility model will be described below in conjunction with the drawings.

[0039] As shown in Figure 1 and Figure 2 , the coil spring force marking integrated machine of the embodiment comprises a rack 1, a workbench 11 is arranged in the middle of the rack 1, the front part of the rack 1 above the workbench 11 is set as an operation port, a linear module 4 is installed on the workbench 11 away from the operation port, a jacking mechanism 2 is installed on the workbench 11 in front of the linear module 4, and the jacking mechanism 2 supports a coil spring assembly 7 at the top; a force sensor 6 is installed on the linear module 4 through a moving seat 41, a pulling block 8 is installed at the front end of the force sensor 6, and the pulling block 8 is matched with the free end of the coil spring 72 in the coil spring assembly 7; further comprising a laser marking machine 5, the laser marking machine 5 is located directly above the coil spring assembly 7, the working end of the laser marking machine 5 faces downward and marks on the free end of the coil spring 72.

[0040] In the embodiment, after the free end of the coil spring 72 is matched with the pulling block 8, the tension performance test of the coil spring 72 can be realized through the work of the linear module 4 combined with the force value feedback of the force sensor 6, and at the same time, the marking on the free end can be realized through the laser marking machine 5, so that the force measurement and marking are effectively combined on the same machine in one clamping.

[0041] As shown in Figure 2 and Figure 3 , the supporting mechanisms 3 are symmetrically installed on the workbenches 11 on the left and right sides of the jacking mechanism 2, the opposite ends of the supporting mechanisms 3 are installed with shaft pins 33 which are horizontally arranged in the axial direction and horizontally move, and the shaft pins 33 are located on the same straight line with the barrel frames 71 in the coil spring assembly 7.

[0042] In the embodiment, in use, the coil spring assembly 7 is supported on the jacking mechanism 2, and the coil spring 72 is matched with the pulling block 8, then the shaft pins 33 of the supporting mechanisms 3 on both sides are driven to move towards each other to support the coil spring assembly 7 from the side, the jacking mechanism 2 goes down to disengage from the coil spring assembly 7, the coil spring 72 is elongated by the work of the linear module 4, and the force value is fed back in real time by the force sensor 6, so as to realize the force measurement operation of the coil spring 72.

[0043] The coil spring assembly 7 is alternately supported by the jacking mechanism 2 and the shaft pins 33, which not only facilitates feeding, but also effectively reduces or even prevents the additional force caused by supporting friction and other factors during force measurement, thereby helping to ensure the accuracy of the test.

[0044] The shaft pin 33 of the coil spring assembly 7 constitutes a pointed end, facilitating the assembly of the shaft pin 33 towards the coil spring assembly 7; the shaft pin 33 increases in diameter away from the pointed end, constituting a limiting step, through the limiting step on the two sides of the shaft pin 33, the position limitation and position retention of the coil spring assembly 7 supported by the shaft pin 33 relative to the shaft pin 33 are effectively ensured.

[0045] The single set of supporting mechanism 3 is structured as follows: including a supporting seat 31 mounted on the working platform 11, a lateral cylinder 32 mounted on the top surface of the supporting seat 31, an inverted L-shaped lateral moving plate mounted on the output end of the lateral cylinder 32, a shaft pin 33 mounted on the side surface of the lateral moving plate, and the large-diameter end of the shaft pin 33 mounted on the lateral moving plate.

[0046] In this embodiment, the horizontal movement of the shaft pin 33 is realized through the working of the lateral cylinder 32.

[0047] The working platform 11 outside the linear module 4 is provided with a lifting assembly 51, and the laser marking machine 5 is mounted on the side surface of the lifting assembly 51; the handle 52 is mounted on the top surface of the lifting assembly 51, and the height of the laser marking machine 5 is adjusted through the rotation of the screw rod in the lifting assembly 51 driven by the handle 52.

[0048] The lifting assembly 51 in this embodiment can also use other conventional moving assemblies, which can realize the height adjustment of the laser marking machine 5, facilitating the adjustment and use of the laser marking machine 5, and improving the use flexibility.

[0049] As shown in Figure 4 The free end of the coil spring 72 is provided with a through hole 720, the top surface of the pull block 8 extends upwards to form a protrusion 81, the through hole 720 is assembled on the protrusion 81, and the free end of the coil spring 72 is assembled on the pull block 8, which is convenient, fast and convenient to operate.

[0050] As shown in Figure 5 The protrusion 81 extends in the direction of the pull block 8 and has a cantilever, and a clamping groove 82 is formed below the cantilever; the height of the clamping groove 82 is not less than the thickness of the coil spring 72; after the free end of the coil spring 72 is assembled on the protrusion 81 through the through hole 720, the wall surface of the through hole 720 can be transversely assembled into the clamping groove 82, which effectively ensures the assembly reliability between the free end of the coil spring 72 and the pull block 8, and is especially suitable for reciprocating tension test of the coil spring 72.

[0051] The coil spring assembly 7 comprises a cylinder frame 71, and the coil spring 72 is wound on the cylinder frame 71; the jacking mechanism 2 is supported on both ends of the cylinder frame 71; the jacking mechanism 2 is structured as follows: including a jacking cylinder 21, a material placing seat 22 mounted on the top surface of the jacking cylinder 21, and the material placing seat 22 supported on both ends of the cylinder frame 71.

[0052] As shown in Figure 6As shown, the material placing seat 22 comprises a bottom plate 221, the top surface of the bottom plate 221 extends upward to form side plates 222, the top surface of the side plates 222 is concave in the middle to form support notches 223, the two end portions of the cylinder frame 71 are accommodated in the corresponding support notches 223, the support notches 223 are located on the same straight line as the shaft pin 33; the bottom of the support notches 223 is provided as an inner concave arc structure, and the diameters of the two inner concave arc structures are different.

[0053] In actual use, the two end portions of the cylinder frame 71 in the coil spring assembly 7 are supported in the support notches 223 of the two side plates 222, and the coil spring 72 wound on the cylinder frame 71 is located between the two side plates 222.

[0054] In the embodiment, the support notches 223 on the two sides of the jacking mechanism 2 are provided as different sizes, such as 6mm and 8mm in diameter, which are matched with the sizes of the two end portions of the cylinder frame 71 in the coil spring assembly 7, so as to effectively reduce or even avoid the misplacement or reverse placement of the coil spring assembly 7 during feeding, thereby playing a foolproof role.

[0055] When the coil spring assembly 7 is replaced with a new model, the use of the new product can be met by replacing the material placing seat 22.

[0056] A display screen 12 is installed above the operation port, and the current operation situation can be displayed in real time through the display screen 12, and historical data can be saved and searched according to needs.

[0057] The coil spring force marking all-in-one machine has a small overall land occupation, and a space for artificial sitting, standing and bending legs is arranged below the operation port, so as to facilitate artificial feeding and discharging operations.

[0058] The use mode of the coil spring force marking all-in-one machine is as follows:

[0059] The linear module 4 drives the moving seat 41 to move towards the jacking mechanism 2 to the end portion, the coil spring assembly 7 is placed on the jacking mechanism 2, so that the two end portions of the cylinder frame 71 in the coil spring assembly 7 are supported on the material placing seat 22, and the free end of the coil spring 72 is sleeved on the protrusion 81 of the pulling block 8 through the through hole 720; the two side supporting mechanisms 3 work together to drive the shaft pins 33 to move towards each other until they are respectively fitted to the two end portions of the cylinder frame 71; the jacking mechanism 2 drives the material placing seat 22 to descend, so that the material placing seat 22 is separated from the coil spring assembly 7, at this time the coil spring assembly 7 is supported by the shaft pins 33 of the two side supporting mechanisms 3; the linear module 4 works, the free end of the coil spring 72 is pulled through the moving seat 41, the force sensor 6 and the pulling block 8, the coil spring 72 is pulled out, and the force value feedback of the force sensor 6 is combined to realize the force measurement of the coil spring 72.

[0060] After the force measurement is completed, the laser marking machine 5 works to mark the code on the free end of the spring 72. After the marking is completed, the lifting mechanism 2 ascends to support the spring assembly 7 again, and the two side supporting mechanisms 3 drive the shaft pins 33 to withdraw from the spring assembly 7. Then, the free end of the spring 72 is removed from the pull block 8, and the discharging is completed.

[0061] In actual testing, the moving speed of the linear module 4 can be set according to requirements, and the force value feedback of the force sensor 6 is combined, so that the displacement-force value curve in the tension test is collected, whether the force value is qualified in the preset specific displacement interval can be judged, and then the performance stability of the spring assembly 7 is determined. Of course, according to actual requirements, the maximum force value in a specific stroke can be captured and judged.

[0062] The utility model effectively combines the force measurement and the marking on the same machine in the case of one clamping, saves time and effort, improves the efficiency, and effectively guarantees the reliability of the force measurement.

[0063] Each embodiment in the specification is described in a progressive manner, and each embodiment focuses on the difference from other embodiments. The same or similar parts of each embodiment can be referred to each other.

[0064] The above description is an explanation of the utility model, not a limitation of the utility model. The scope defined by the utility model is referred to the claims. Within the protection scope of the utility model, any form of modification can be made.

Claims

1. A coil spring force measurement and marking integrated machine, comprising a frame (1), a working platform (11) mounted in the middle of the frame (1), characterized in that: The front portion of the frame (1) located above the working platform (11) is set as an operation port, a linear module (4) is installed on the working platform (11) away from the operation port, a jacking mechanism (2) is installed on the working platform (11) located in front of the linear module (4), and the top of the jacking mechanism (2) supports the coil spring assembly (7); a force sensor (6) is installed on the linear module (4) via a movable seat (41), a pull block (8) is installed at the front end of the force sensor (6), and the pull block (8) is matched with the free end of the coil spring (72) in the coil spring assembly (7); and a laser marking machine (5) is also included. The laser marking machine (5) is located directly above the coil spring assembly (7), and the working end of the laser marking machine (5) faces downward and prints a code on the free end of the coil spring (72).

2. The coil spring force measurement and marking integrated machine according to claim 1, characterized in that: Support mechanisms (3) are symmetrically installed on the working platforms (11) on the left and right sides of the jacking mechanism (2). The ends of the support mechanisms (3) facing each other are equipped with axle pins (33) that are axially arranged and horizontally movable. The axle pins (33) and the cylinder frame (71) in the coil spring assembly (7) are located on the same straight line.

3. The coil spring force measurement and marking integrated machine according to claim 2, characterized in that: The shaft pin (33) facing the coil spring assembly (7) forms a tip portion, and the shaft pin (33) away from the tip portion increases in diameter to form a limiting step.

4. The coil spring force measurement and marking integrated machine according to claim 2, characterized in that: The structure of the single-group support mechanism (3) is as follows: it includes a support base (31) installed on the working platform (11), a lateral cylinder (32) is installed on the top surface of the support base (31), an inverted L-shaped side shift plate is installed at the output end of the side cylinder (32), and an axle pin (33) is installed on the side of the side shift plate.

5. The coil spring force measurement and marking integrated machine according to claim 1, characterized in that: A lifting assembly (51) is installed on a working platform (11) located outside the side of the linear module (4), and a laser marking machine (5) is installed on the side of the lifting assembly (51); a handle (52) is installed on the top surface of the lifting assembly (51), and the handle (52) drives the internal lead screw of the lifting assembly (51) to rotate to adjust the height of the laser marking machine (5).

6. The coil spring force measurement and marking integrated machine according to claim 1, characterized in that: A through hole (720) is provided at the free end of the coil spring (72), and the top surface of the pull block (8) extends upward to form a protrusion (81), and the through hole (720) is mounted on the protrusion (81).

7. The coil spring force measurement and marking integrated machine according to claim 6, characterized in that: The protrusion (81) has a cantilever extending in the direction of the pull block (8), and a clamping groove (82) is formed below the cantilever; the height of the clamping groove (82) is not less than the thickness of the coil spring (72).

8. The coil spring force measurement and marking integrated machine according to claim 1, characterized in that: The coil spring assembly (7) comprises a drum frame (71) on which a coil spring (72) is wound; a lifting mechanism (2) is supported at both ends of the drum frame (71); the lifting mechanism (2) has the following structure: it comprises a lifting cylinder (21), a material placement seat (22) is installed on the top surface of the lifting cylinder (21), and the material placement seat (22) is supported at both ends of the drum frame (71).

9. The coil spring force measurement and marking integrated machine according to claim 8, characterized in that: The material placement seat (22) includes a bottom plate (221), the top surface of the bottom plate (221) extends upward at intervals to form side plates (222), the middle portion of the top surface of the side plates (222) is concave to form a supporting recess (223), and the two ends of the drum rack (71) are accommodated in the corresponding supporting recesses (223); the bottom of the supporting recess (223) is configured as a concave arc structure, and the diameters of the concave arc structures on both sides are different.

10. The coil spring force measurement and marking integrated machine according to claim 1, characterized in that: A display screen (12) is installed above the operation port.