Metal plate strength detection device

Abstract

The invention is suitable for the technical field of metal plate detection, and provides a metal plate strength detection device, which comprises a base; the detection assembly comprises driving shafts, supporting plates are arranged on one sides of the driving shafts, bending plates are arranged on the supporting plates, bottom sleeve shafts and lifting shaft sleeves are arranged on the bending plates, rotating shaft sleeves are rotationally arranged on the bottom sleeve shafts, switching sliding blocks are arranged on the rotating shaft sleeves, top sleeve shafts are arranged above the bottom sleeve shafts in a sliding mode, driving gears are rotationally arranged on the top sleeve shafts, and the driving gears are arranged on the top sleeve shafts in a sliding mode; two driven shafts are rotatably arranged on the base in a penetrating mode, driven sliding blocks are arranged at the tops of the driven shafts, two moving seats are slidably arranged on the base, driven connecting rods are rotatably arranged between the moving seats and the driven sliding blocks, rotating lead screws are rotatably arranged below the moving seats, and mounting seats are arranged on the rotating lead screws. Therefore, the metal plate can be automatically taken, placed and subjected to multi-point detection, the labor intensity is reduced, the detection range is expanded, the metal plate can be automatically centered, and good detection accuracy is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of metal plate detection, and in particular to a metal plate strength detection device. Background Art

[0002] The bending strengths of metal plates vary, and it is necessary to detect them to determine whether the metal plates can be applied inside the device, preventing a series of problems caused by insufficient strength of the metal plates, such as rework repair or material replacement.

[0003] There are various metal plate strength detection devices in the prior art. For example, a strength detection device for adjustable mechanical testing of metal plates with the publication number CN214584542U includes a machine body base. On both sides of the top of the machine body base, equal-height side frames are fixedly connected, and an installation top plate is fixedly connected between the ends of the two side frames. At the center of the bottom of the installation top plate, an electric telescopic rod a is fixedly installed, and the telescopic end of the electric telescopic rod a is fixedly connected with a follow-up plate. It can perform bending strength detection on metal plates. However, the above device requires manual picking and placing of metal plates, and lacks a mechanism for automatically adjusting the detection position, resulting in a relatively high labor intensity for users and a relatively low detection efficiency, and it is still inconvenient to use.

[0004] In summary, it is obvious that the prior art has inconveniences and defects in actual use, so it is necessary to improve. Summary of the Invention

[0005] Aiming at the above defects, the purpose of the present invention is to provide a metal plate strength detection device, which can not only automatically pick and place metal plates and perform multi-point detection, reducing the labor intensity and expanding the detection range, but also automatically center the metal plates, ensuring good detection accuracy.

[0006] To achieve the above object, the present invention provides a metal plate strength detection device, including: a base, with support legs provided at the four corners of its bottom surface, and fixed plates provided between the support legs at the same end of the base; a detection assembly, which includes a driving shaft and a support plate. The fixed plates are provided with a driving shaft and a fixed lead screw respectively. A support plate is provided on the side of the driving shaft close to the center of the base. A bending plate is provided on each support plate. A bottom sleeve shaft slidably sleeved on the driving shaft and a lifting sleeve shaft cooperating with the fixed lead screw are rotatably connected to the bending plate. A rotating sleeve shaft is rotatably provided on the bottom sleeve shaft, and a switching slider is provided on the rotating sleeve shaft. A top sleeve shaft is slidably provided above the bottom sleeve shaft, and a driving gear is rotatably provided on the top sleeve shaft. A lifting gear is provided on the lifting sleeve shaft. Two driven shafts are rotatably penetrated through the base, and a driven slider is provided at the top of the driven shaft. Two moving seats are slidably provided on the base. A driven connecting rod is rotatably provided between the adjacent moving seat and the driven slider. A rotating lead screw is rotatably provided below the moving seat. A mounting seat is provided on the rotating lead screw, and a pressure detection element is provided on each mounting seat. A turntable is provided on each rotating lead screw, and an eccentric rod is provided on each turntable. An adjusting sleeve is rotatably sleeved at the bottom of each driven shaft, and an adjusting slider and a bottom gear are provided on the adjusting sleeve. A cross support plate cooperating with the eccentric rod is provided between the adjusting sliders.

[0007] According to the metal plate strength detection device of the present invention, a positive ratchet is provided on the side wall of one end of the rotating sleeve shaft, a positive pawl that can rotate unidirectionally is rotatably provided on the bottom sleeve shaft, a reverse ratchet is provided on the side wall of one side of the driving gear, and a reverse pawl that can rotate unidirectionally is rotatably provided on the top sleeve shaft.

[0008] According to the metal plate strength detection device of the present invention, the driving shafts are rotatably connected to the fixed plates respectively, the fixed lead screws are fixedly connected to the fixed plates respectively, the fixed lead screws are located on the side of the driving shaft away from the center of the base, a belt is provided between the two driving shafts, and the output shaft of a driving member is connected to one of the driving shafts, and the driving member is provided on the fixed plate.

[0009] According to the metal plate strength detection device of the present invention, a plurality of optical axes are provided on the top surface of the bottom sleeve shaft, shaft grooves cooperating with the optical axes are provided on the top sleeve shaft, and a plurality of second springs are provided between the top sleeve shaft and the bottom sleeve shaft.

[0010] According to the metal plate strength detection device of the present invention, auxiliary discs are provided at the bottom ends of the bottom sleeve shafts, and a plurality of ejector rods are provided on the top surfaces of the switching sliders.

[0011] For the metal plate strength detection device according to the present invention, insertion rods are respectively inserted through the support legs. One end of each insertion rod close to the center of the base is provided with a centering plate. Guide shafts are respectively arranged on the support legs. Centering sliders are slidably arranged on the guide shafts. Centering connecting rods are rotatably arranged between adjacent centering sliders and centering plates. Elastic connecting members are respectively arranged above the fixing plates. Matching sliders are rotatably arranged between the matching sliders and the centering sliders.

[0012] For the metal plate strength detection device according to the present invention, a conveyor belt is arranged below the base. The conveyor belt is used for conveying metal plates. The top surface of the conveyor belt is flush with the middle part of the centering plate. The width of the metal plate is greater than the width of the conveyor belt.

[0013] For the metal plate strength detection device according to the present invention, a plurality of first springs are respectively arranged between the matching sliders and the fixing plates. When the first springs are in the natural state, the centering plates are in contact with the metal plates and center the metal plates.

[0014] For the metal plate strength detection device according to the present invention, both the fixed lead screw and the rotating lead screw are reciprocating lead screws.

[0015] The object of the present invention is to provide a metal plate strength detection device, and its beneficial effects are as follows: 1. By providing the detection assembly, it can not only realize the automatic picking and placing of metal plates, reducing the labor intensity of users, but also perform multi-point bending strength detection on metal plates, expanding the detection range and ensuring good detection effects and accuracy.

[0016] 2. By providing a plurality of centering plates, the metal plate can be centered before being lifted, avoiding deflection of the metal plate during transportation, which may cause abnormal picking, placing and detection, and further improving the detection accuracy.

[0017] In summary, the beneficial effects of the present invention are: it can not only automatically pick and place and perform multi-point detection on metal plates, reducing the labor intensity and expanding the detection range, but also automatically center the metal plates, ensuring good detection accuracy. Description of the Drawings

[0018] Figure 1 is a schematic structural diagram of the present invention, Figure 2 is Figure 1 an enlarged schematic view of the partial structure of A of Figure 3 is a bottom view sectional view of the present invention, Figure 4 is Figure 3 an enlarged schematic view of the partial structure of B of

[0019] In the figure: 1 - base, 11 - support leg, 12 - fixed plate, 13 - centering plate, 14 - insertion rod, 15 - guide shaft, 16 - bracket, 17 - centering slider, 18 - mating link, 19 - mating slider, 2 - detection assembly, 21 - driving shaft, 211 - driving member, 212 - support plate, 213 - bent plate, 22 - bottom bushing, 221 - rotating bushing, 222 - switching slider, 223 - ejector rod, 23 - top bushing, 231 - driving gear, 232 - auxiliary disc, 24 - fixed lead screw, 241 - lifting bushing, 242 - lifting gear, 25 - fixed frame, 251 - driven shaft, 252 - driven slider, 253 - driven link, 254 - top gear, 26 - moving seat, 27 - rotating lead screw, 271 - mounting seat, 272 - turntable, 273 - eccentric rod, 28 - bottom gear, 281 - adjusting slider, 282 - cross support plate, 29 - pressing plate, 3 - conveyor belt. Detailed implementation manner

[0020] In order to make the objectives, technical solutions and advantages of the present invention clearer and more understandable, the present invention will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0021] See Figures 1 to 4 , the present invention provides a metal plate strength detection device, including a base 1 and a detection assembly 2. Support legs 11 are provided at the four corners of the bottom surface of the base 1. The support legs 11 are used to provide support for the base 1. A fixed plate 12 is provided between two support legs 11 at the same end of the base 1. Insertion rods 14 are slidably penetrated through the support legs 11. Centering plates 13 are provided at one ends of the insertion rods 14 close to the center of the base 1. Horizontal guide shafts 15 are provided on the support legs 11. Centering sliders 17 are slidably penetrated through the guide shafts 15. Centering links (that is, one end of the centering link is rotatably connected to the centering slider 17, and the other end of the centering link is rotatably connected to the centering plate 13) are rotatably provided between adjacent centering sliders 17 and centering plates 13. Mating sliders 19 are elastically connected above the fixed plate 12. Mating links 18 (one end of the mating link 18 is rotatably connected to the mating slider 19, and the other end of the mating link 18 is rotatably connected to the centering slider 17) are rotatably provided between the mating sliders 19 and the centering sliders 17. A conveyor belt 3 is provided below the base 1. The conveyor belt 3 is used to convey the metal plate (the structure and operation principle of the conveyor belt 3 are common knowledge to those skilled in the art, so it will not be described in detail). The top surface of the conveyor belt 3 is flush with the middle of the centering plate 13, and the width of the metal plate is greater than the width of the conveyor belt 3. A plurality of first springs are provided between the mating sliders 19 and the fixed plate 12. When the first springs are in the natural state, the centering plate 13 abuts against the metal plate, and can center the metal plate.

[0022] Participate Figures 1 to 4, the detection component 2 includes a driving shaft 21 and a supporting plate 212. The driving shafts 21 are rotatably provided on the fixing plates 12. The top ends of the driving shafts 21 are rotatably connected to the base 1. A belt is provided between the two driving shafts 21. One of the driving shafts 21 is connected to the output shaft of the driving member 211, and the driving member 211 is provided on the fixing plate 12. Supporting plates 212 are provided at one end of the driving shaft 21 close to the conveyor belt 3. When the device is in the initial state, the supporting plate 212 is located below the metal plate, and the supporting plate 212 can support the metal plate. Bent plates 213 are provided on the top surface of one end of the supporting plate 212 away from the conveyor belt 3. The bent plates 213 extend upward and then bend away from the conveyor belt 3 to a horizontal state. The bent plates 213 are all passed through the driving shaft 21. A bottom shaft sleeve 22 is rotatably provided on the top surface of the bent plate 213. The bottom shaft sleeve 22 is slidably provided on the driving shaft 21 (that is, a chute is provided on the surface of the driving shaft 21, and a rib is provided on the bottom shaft sleeve 22 that cooperates with the chute). The bottom shaft sleeve 22 can not only slide along the driving shaft 21 but also rotate synchronously with the driving shaft 21. A rotating shaft sleeve 221 is rotatably provided on the bottom shaft sleeve 22. A positive ratchet is provided on the side wall of one end of the rotating shaft sleeve 221. The positive ratchet, the rotating shaft sleeve 221, the bottom shaft sleeve 22 and the driving shaft 21 are concentric. A positively rotatable positive pawl is rotatably provided on the bottom shaft sleeve 22. When the positive ratchet cooperates with the positive pawl, the bottom shaft sleeve 22 can drive the rotating shaft sleeve 221 to rotate forward synchronously. A switching slider 222 is provided on the rotating shaft sleeve 221. A first reciprocating groove (the first reciprocating groove is an arc groove that winds around the surface of the rotating shaft sleeve 221 for one week and is connected end to end) is provided on the surface of the rotating shaft sleeve 221 and cooperates with the switching slider 222 (that is, a through hole for the rotating shaft sleeve 221 to pass through is provided on the switching slider 222, and a guide post that cooperates with the first reciprocating groove is provided on the inner side wall of the through hole). A plurality of ejector rods 223 are provided on the top surface of the switching slider 222.

[0023] See Figures 1 to 4, above the bottom shaft sleeve 22, there is a top shaft sleeve 23 sleeved on the driving shaft 21. On the top surface of the bottom shaft sleeve 22, there are several optical axes, and on the top shaft sleeve 23, there are shaft grooves that cooperate with the optical axes. Between the top shaft sleeve 23 and the bottom shaft sleeve 22, there are several second springs. The top shaft sleeve 23 can not only move relative to the bottom shaft sleeve 22 but also rotate synchronously with the bottom shaft sleeve 22. A driving gear 231 is rotatably arranged on the top shaft sleeve 23. On one side wall of the driving gear 231, there is a reverse ratchet. The reverse ratchet, the driving gear 231, and the top shaft sleeve 23 are concentric. A reversely rotatable reverse pawl is rotatably arranged on the top shaft sleeve 23. When the reverse ratchet cooperates with the reverse pawl, the top shaft sleeve 23 can drive the driving gear 231 to reverse. At the bottom end of the top shaft sleeve 23, there is an auxiliary disc 232 that can cooperate with the ejector rod 223. On the side of the driving shaft 21 away from the conveyor belt 3, there are fixed lead screws 24. The bottom ends of the fixed lead screws 24 are fixedly connected to the fixing plate 12, and the top ends of the fixed lead screws 24 are fixedly connected to the base 1. The fixed lead screws 24 all pass through the bent plate 213. On the top surface of the bent plate 213, there is a lifting shaft sleeve 241 rotatably connected and sleeved on the outside of the fixed lead screw 24. The top end of the lifting shaft sleeve 241 is connected to a lifting gear 242 that can mesh with the driving gear 231. The lifting shaft sleeve 241 cooperates with the fixed lead screw 24. When the lifting shaft sleeve 241 rotates, it can drive the bent plate 213 and the support plate 212 to perform reciprocating lifting movements.

[0024] See Figures 1 to 4, on the base 1 on the side of the driving shaft 21 close to the conveyor belt 3, vertical driven shafts 251 are rotatably provided. On the top surface of the base 1, a fixing frame 25 cooperating with the driven shaft 251 is provided. On each of the driven shafts 251, a driven slider 252 is provided. The driven sliders 252 are all slidably connected to the fixing frame 25. On the surface of the driven shaft 251, a second reciprocating groove is provided (its structure refers to the first reciprocating groove). The driven slider 252 cooperates with the second reciprocating groove (its cooperation method refers to the switching slider 222 and the first reciprocating groove). In the middle of the base 1, an avoidance groove is provided. Two moving seats 26 are slidably provided in the avoidance groove. Between the adjacent moving seats 26 and the driven sliders 252, driven connecting rods 253 are provided (that is, one end of the driven connecting rod 253 is rotatably connected to the moving seat 26, and the other end of the driven connecting rod 253 is rotatably connected to the driven slider 252). Below the moving seats 26, rotating lead screws 27 are rotatably provided. Both ends of the rotating lead screws 27 are rotatably connected to the side walls of the moving seats 26. On the rotating lead screws 27, mounting seats 271 are cooperatively provided. The mounting seats 271 are all slidably connected to the moving seats 26. At the bottom surface of the mounting seats 271, retractable pressure detecting elements are provided (the pressure detecting elements are used to apply a certain magnitude of pressure to the metal plate and observe the bending condition of the metal plate. This is the prior art, so it will not be elaborated in the present invention). The bottom ends of the driven shafts 251 all pass through the base 1. On the driven shafts 251 below the base 1, top gears 254 capable of meshing with the driving gears 231 are provided. On the driven shafts 251 below the top gears 254, adjusting bushings are rotatably provided. At the bottom ends of the adjusting bushings, bottom gears 28 capable of meshing with the driving gears 231 are provided. On the adjusting bushings, adjusting sliders 281 are provided. On the surfaces of the adjusting bushings, third reciprocating grooves are provided (its structure refers to the first reciprocating groove). The adjusting sliders 281 cooperate with the third reciprocating grooves (its cooperation method refers to the switching slider 222 and the first reciprocating groove). A cross support plate 282 is connected between the two adjusting sliders 281. One end of each of the rotating lead screws 27 passes through the moving seat 26 and is connected to a turntable 272. On the turntables 272, eccentric rods 273 are provided. On the cross support plate 282, through grooves capable of cooperating with the eccentric rods 273 are provided. When the two adjusting sliders 281 perform synchronous reciprocating lifting motions, under the action of the through grooves and the eccentric rods 273, the turntables 272 can drive the rotating lead screws 27 to rotate unidirectionally. On the bottom surface of the base 1, pressing plates 29 corresponding to and cooperating with the supporting plates 212 one by one are provided, which can fix the ends of the metal plates to prevent the metal plates from falling off during detection.

[0025] See Figures 1 to 4 , preferably, both the fixed lead screw 24 and the rotating lead screw 27 are reciprocating lead screws.

[0026] See Figures 1 to 4 , preferably, on the top surface of the bending plate 213, a plurality of first limiting rods passing through the switching slider 222 are provided, and on the bottom surface of the base 1, a plurality of second limiting rods passing through the adjusting slider 281 are provided.

[0027] SeeFigures 1 to 4 , preferably, a bottom rod capable of cooperating with the cooperating slider 19 is provided on the bottom surface of the bent plate 213, so that the centering plate 13 can center the metal plate before the supporting plate 212 lifts the metal plate.

[0028] See Figures 1 to 4 , preferably, brackets 16 are provided on the support legs 11, and the guide shafts 15 are rotatably connected to the brackets 16, which can improve the stability of the device.

[0029] See Figures 1 to 4 , preferably, the driving member 211 is a rotary motor, which can provide sufficient power.

[0030] In the implementation process of the present invention: The conveyor belt 3 conveys the metal plate. When the metal plate is transported below the base 1, the conveyor belt 3 stops running, and the driving member 211 starts and rotates in reverse. At this time, the positive ratchet wheel does not cooperate with the positive ratchet pawl, and the reverse ratchet wheel cooperates with the reverse ratchet pawl. The bottom shaft sleeve 22 does not drive the rotating shaft sleeve 221 to rotate, and the top shaft sleeve 23 drives the driving gear 231 to rotate (at this time, the device is in the initial state, the support plate 212 is located below the metal plate, the first spring is in a compressed state, and the driving gear 231 meshes with the lifting gear 242). The driving gear 231 drives the lifting gear 242 to rotate. Under the cooperation of the lifting shaft sleeve 241 and the fixed lead screw 24, the bending plate 213 drives the support plate 212 to rise. Before the support plate 212 lifts the metal plate, the first spring restores its deformation, causing the cooperation slider 19 to rise, thereby driving the two centering sliders 17 at the same end of the base 1 to move away from each other, causing the centering plate 13 to move towards the metal plate and push the metal plate to complete the centering of the metal plate. Then the support plate 212 lifts the metal plate until the top end of the metal plate abuts against the pressing plate 29. The support plate 212 and the pressing plate 29 cooperate to complete the fixation of the metal plate. Then the driving member 211 rotates forward. At this time, the positive ratchet wheel cooperates with the positive ratchet pawl, and the reverse ratchet wheel does not cooperate with the reverse ratchet pawl. The bottom shaft sleeve 22 drives the rotating shaft sleeve 221 to rotate, and the top shaft sleeve 23 does not drive the driving gear 231 to rotate. The rotation of the rotating shaft sleeve 221 drives the switching slider 222 to move, so that the top shaft sleeve 23 moves relative to the bottom shaft sleeve 22, and the driving gear 231 disengages from the lifting gear 242 until the driving gear 231 meshes with the bottom gear 28. Then the driving member 211 rotates in reverse, causing the driving gear 231 to drive the bottom gear 28 to mesh, thereby driving the adjusting shaft sleeve to rotate. Under the action of the third reciprocating groove, the adjusting slider 281 performs reciprocating lifting motion. Under the cooperation of the eccentric rod 273 and the through groove, the rotating lead screw 27 rotates to change the position of the mounting seat 271 on the rotating lead screw 27. Then the driving member 211 rotates forward, causing the top shaft sleeve 23 to continue to rise until the driving gear 231 meshes with the top gear 254. Then the driving member 211 rotates in reverse, driving the driven shaft 251 to rotate. Under the action of the driven slider 252 and the driven connecting rod 253, the position of the moving seat 26 can be changed. During a single detection process, the user can adjust the position of the mounting seat 271 multiple times according to actual needs to achieve comprehensive detection.

[0031] The present invention provides a metal plate strength detection device, and its beneficial effects are as follows: 1. By setting the detection component, it can not only realize the automatic picking and placing of the metal plate, reduce the labor intensity of the user, but also perform multi-point bending strength detection on the metal plate, expand the detection range, and ensure good detection effects and accuracy.

[0032] 2. By setting multiple centering plates, centering of the metal plate can be performed before lifting it, avoiding deflection of the metal plate during transportation, which may lead to abnormal picking, placing and detection, and further improving the detection accuracy.

[0033] In summary, the beneficial effects of the present invention are as follows: it can not only automatically pick and place the metal plate and perform multi-point detection, reducing the labor intensity and expanding the detection range, but also automatically center the metal plate, ensuring good detection accuracy.

[0034] Certainly, the present invention may have multiple embodiments. Without departing from the spirit and essence of the present invention, those skilled in the art can make corresponding changes and deformations according to the present invention. However, these corresponding changes and deformations should fall within the protection scope of the appended claims of the present invention.

Claims

1. A metal plate strength detection device, characterized in that: include: A base, wherein support legs are provided at the four corners of the bottom surface thereof, and a fixing plate is provided between the support legs at the same end of the base; The detection component includes a driving shaft and a support plate, wherein the fixed plate is provided with a driving shaft and a fixed screw rod, the driving shaft is provided with a support plate on one side close to the center of the base, and the support plate is provided with a bending plate, and the bending plate is rotatably connected with a bottom sleeve shaft slidably sleeved on the driving shaft and a lifting sleeve matched with the fixed screw rod, a rotating sleeve is rotatably provided on the bottom sleeve shaft, a switching slider is provided on the rotating sleeve, a top sleeve shaft is slidably provided above the bottom sleeve shaft, a driving gear is rotatably provided on the top sleeve shaft, a lifting gear is provided on the lifting sleeve, and two rotating sleeves are provided on the base A driven shaft, a driven slider is provided on the top of the driven shaft, two moving seats are slidably provided on the base, a driven connecting rod is rotatably provided between the adjacent moving seats and the driven slider, a rotating screw is rotatably provided under the moving seat, a mounting seat is provided on the rotating screw, a pressure detection element is provided on the mounting seat, a rotating screw is provided on the rotating screw, an eccentric rod is provided on the rotating disc, an adjusting sleeve is rotatably provided on the bottom of the driven shaft, an adjusting slider and a bottom gear are provided on the adjusting sleeve, and a horizontal support plate cooperating with the eccentric rod is provided between the adjusting sliders.

2. The metal plate strength detection device according to claim 1, characterized in that: A positive ratchet is arranged on one end side wall of the rotating sleeve, a positive ratchet pawl rotatable in one direction is rotatably arranged on the bottom sleeve shaft, a reverse ratchet is arranged on one side wall of the driving gear, and a reverse ratchet pawl rotatable in one direction is rotatably arranged on the top sleeve shaft.

3. The metal plate strength detection device according to claim 1, characterized in that: The driving shafts are all rotatably connected to the fixed plate, the fixed screws are all fixedly connected to the fixed plate, the fixed screws are all located on the side of the driving shaft away from the center of the base, a belt is provided between the two driving shafts, one of the driving shafts is connected to the output shaft of the driving member, and the driving member is provided on the fixed plate.

4. The metal plate strength detection device according to claim 1, characterized in that: The top surface of the bottom sleeve shaft is provided with a plurality of optical axes, the top sleeve shaft is provided with shaft grooves matched with the optical axes, and a plurality of second springs are provided between the top sleeve shaft and the bottom sleeve shaft.

5. The metal plate strength detection device according to claim 1, characterized in that: The bottom end of the bottom sleeve shaft is provided with an auxiliary disk, and the top surface of the switching sliding block is provided with a plurality of ejector rods.

6. The metal plate strength detection device according to claim 1, characterized in that: The support legs are each provided with an insertion rod, and a centering plate is provided at one end of the insertion rod close to the center of the base. The support legs are each provided with a guide shaft, and a centering slider is slidably provided on the guide shaft. A centering connecting rod is rotatably provided between adjacent centering sliders and centering plates. A mating slider is elastically connected above the fixed plate, and a mating connecting rod is rotatably provided between the mating slider and the centering slider.

7. The metal plate strength detection device according to claim 6, characterized in that: A conveyor belt is provided below the base, and the conveyor belt is used to convey the metal plate. The top surface of the conveyor belt is flush with the middle of the centering plate, and the width of the metal plate is greater than the width of the conveyor belt.

8. The metal plate strength detection device according to claim 7, characterized in that: A plurality of first springs are arranged between the matching sliding block and the fixing plate. When the first springs are in a natural state, the centering plate abuts against the metal plate and centers the metal plate.

9. The metal plate strength detection device according to claim 1, characterized in that: The fixed screw and the rotating screw are both reciprocating screws.

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