A plate bending rebound characteristic detection fixture and detection method
By designing a plate bending rebound detection fixture with a hydraulically driven fixed structure and a lifting structure, the problems of inconvenience and poor stability of traditional fixtures are solved, and simple fixation and flexible detection of plates are achieved.
Patent Information
- Application Number
- CN202211237574.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-10-10
- Publication Date
- 2025-09-09
- Estimated Expiration
- 2042-10-10
AI Technical Summary
Traditional plate bending and rebound testing fixtures are inconvenient to use, have poor stability, and are difficult to flexibly adjust and fix the plate.
The inspection fixture design includes a fixed structure, a lifting structure and a clamping platform. The hydraulic rod and motor are used to drive the movable clamping plate and the push plate to achieve stable fixation and flexible adjustment of the plate.
It realizes the easy disassembly and assembly and stable fixation of the plate, improves the flexibility and stability of detection, and adapts to the detection needs of plates of different lengths.
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Figure CN115541367B_ABST
Abstract
Description
Technical Field
[0001] The present invention belongs to the field of plate bending and rebound characteristics detection, and in particular relates to a plate bending and rebound characteristics detection fixture and a detection method. Background Art
[0002] Traditional plate bending and rebound detection fixtures are generally simple, and are not convenient for taking and placing plates during use. They are also not convenient for adjusting according to the length of the plates. In addition, the current plate bending and rebound detection fixtures are not stable enough and are more troublesome to use. Summary of the Invention
[0003] In view of this, the present invention aims to propose a plate bending rebound characteristic detection fixture and detection method to solve the problems of inconvenience and poor stability of existing plate bending rebound detection.
[0004] Material toggling mechanism, its both sides respectively have a cylinder pressure, and the cylinder pressure bar connects swing arm, and the swing arm end face has hook portion, and a bar passes position between the end of two swing arms and the hook portion.
[0005] Furthermore, the detection fixture also includes a limiting structure, which includes a limiting plate and a base plate. A guide hole is provided at the top of the movable splint, and the base plate is arranged at the bottom end of the movable splint. The bottom end of the limiting plate passes through the guide hole and is connected to the base plate. A second hydraulic rod is provided on the outside of the limiting plate, and the output end of the second hydraulic rod is connected to the base plate.
[0006] Furthermore, the bottom end of the movable splint is connected to a slider, the slider is slidably connected to the first slide groove, the first hydraulic rod is connected to the bottom end of the clamping platform, and the output end of the first hydraulic rod is connected to the front side of the slider.
[0007] Furthermore, both ends of the push plate are provided with a slide seat, a second slide hole is opened on the slide seat, and the slide seat is sleeved on the movable frame through the second slide hole.
[0008] Furthermore, the lifting drive mechanism includes a screw and a motor, a second connecting plate is provided on the outside of the slide, a threaded hole is provided on the second connecting plate, and first connecting plates are provided at the upper and lower outer sides of the movable frame, the two ends of the screw are respectively rotatably connected to the two first connecting plates, the threaded hole is threadedly connected to the screw, and the output end of the motor is connected to the screw.
[0009] Furthermore, there are two first slide grooves, which are symmetrically distributed on the clamping platform. A second slide groove is arranged between the two first slide grooves, and the bottom plate is arranged inside the second slide groove. One end of the second slide groove passes through the rear side of the fixed clamping plate.
[0010] Furthermore, two limiting plates are symmetrically arranged on the top of the bottom plate, and the limiting plate located on the rear side is engaged with the rear side surface of the fixed clamping plate.
[0011] Furthermore, four mounting plates are symmetrically distributed at the bottom of the clamping platform, mounting holes are provided at the bottom of the mounting plates, side plates are provided at the front and rear ends of the side of the clamping platform, the sliding rod is provided between the two side plates, a first sliding hole is provided on the bottom surface of the movable frame, and the sliding rod passes through the first sliding hole.
[0012] Furthermore, the slider is a convex structure, the movable splint is an L-shaped structure, a reinforcing plate is provided between the L-shaped structures of the movable splint, a reinforcing plate is provided between the fixed splint and the clamping platform, and anti-slip grooves are provided on the inner sides of the movable splint and the fixed splint.
[0013] The present invention also provides a method for detecting a plate bending rebound characteristic detection fixture, which comprises the following steps:
[0014] Step 1: Fix the clamping platform through the mounting holes, place the bottom end of the plate between the movable clamping plate and the fixed clamping plate, control the first hydraulic rod to work, drive the movable clamping plate to slide along the first slide groove through the first hydraulic rod, and fix the plate under the action of the movable clamping plate and the fixed clamping plate;
[0015] Step 2: Control the second hydraulic rod to work, the second hydraulic rod drives the bottom plate to move toward the top, driving the limit plate to move together, until the two limit plates are respectively engaged with the outer sides of the movable splint and the fixed splint, thereby fixing the movable splint and the fixed splint;
[0016] Step 3: Control the motor to work. When the motor is working, it drives the screw to rotate. Under the cooperation of the screw and the threaded hole, it drives the slide to slide up and down along the movable frame to adjust the position of the push plate and move the push plate to the outer side of the top of the plate;
[0017] Step 4: Control the third hydraulic rod to work. When working, the third hydraulic rod drives the movable frame to move along the slide rod. Under the action of the movable frame, the push plate is driven to move synchronously. The push plate presses the plate to perform an elasticity test on the plate.
[0018] Compared with the prior art, the present invention has the following beneficial effects:
[0019] The present invention can directly place the bottom end of the plate between the fixed clamping plate and the movable clamping plate. The first hydraulic rod can drive the movable clamping plate to slide along the first sliding groove. Under the action of the movable clamping plate and the fixed clamping plate, the plate can be fixed, and disassembly and assembly are relatively simple.
[0020] The present invention can drive the bottom plate to move toward the top through the second hydraulic rod. At this time, the limit plate will slide along until the two limit plates are respectively engaged with the outer sides of the movable clamping plate and the fixed clamping plate, thereby connecting the movable clamping plate and the fixed clamping plate, thereby improving the stability of the push plate;
[0021] The present invention can drive the screw to rotate when the motor is working, and the screw can drive the slide seat to slide up and down along the movable frame when the screw is screwed into the threaded hole, so as to adjust the position of the push plate. The push plate can be moved to the outer side surface of the top end of the plate, and the plate can be bent by the push plate, which is more flexible when used. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] The accompanying drawings, which constitute part of the present invention, are provided to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are provided to explain the present invention and do not constitute an undue limitation of the present invention. In the accompanying drawings:
[0023] Figure 1 This is a schematic diagram of the three-dimensional structure of a fixture for testing the bending and rebound characteristics of a plate according to the present invention;
[0024] Figure 2 This is a schematic diagram of the internal structure of a fixture for testing the bending and rebound characteristics of a plate according to the present invention;
[0025] Figure 3 This is a schematic diagram of the connection structure between the movable splint and the fixed splint according to the present invention;
[0026] Figure 4 This is a schematic diagram of the connection structure between the movable frame and the clamping platform of the present invention;
[0027] Figure 5 This is a schematic diagram of the movable splint structure of the present invention;
[0028] Figure 6 It is a schematic diagram of the connection structure of the limiting plate, movable splint and fixed splint of the present invention.
[0029] 1-mounting plate, 2-mounting hole, 3-side plate, 4-clamping platform, 41-first slide groove, 42-second slide groove, 5-slide rod, 6-first hydraulic rod, 7-movable splint, 71-slider, 8-fixed splint, 9-reinforcement plate, 10-second hydraulic rod, 11-limiting plate, 12-movable frame, 121-first sliding hole, 13-first connecting plate, 14-screw, 15-second connecting plate, 151-threaded hole, 16-motor, 17-slide seat, 171-second sliding hole, 18-push plate, 19-third hydraulic rod, 20-anti-slip groove, 21-guide hole, 22-bottom plate. DETAILED DESCRIPTION
[0030] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely explain the technical solutions in the embodiments of the present invention. It should be noted that the embodiments of the present invention and the features therein can be combined with each other in the absence of conflict, and the embodiments described are only part of the embodiments of the present invention, not all of the embodiments.
[0031] See also Figure 1-6 The lifting mechanism is a kind of lifting mechanism that lifts up and down of described lifting mechanism, and the lifting mechanism of lifting mechanism is a kind of lifting mechanism that lifts up and down of described lifting mechanism.
[0032] The detection fixture described in this embodiment also includes a limiting structure, which includes a limiting plate 11 and a bottom plate 22. A guide hole 21 is opened at the top of the movable splint 7, and the bottom end of the limiting plate 11 passes through the guide hole 21. The bottom end of the movable splint 7 is provided with a bottom plate 22, and the bottom end of the limiting plate 11 is fixedly connected to the bottom plate 22; a second hydraulic rod 10 is provided on the outside of the limiting plate 11, and the second hydraulic rod 10 is fixedly connected to the top of the movable splint 7, and the output end of the second hydraulic rod 10 is fixedly connected to the top of one end of the bottom plate 22.
[0033] A slider 71 is fixed to the bottom end of the movable splint 7, and the slider 71 is slidably connected to the first slide groove 41; a first hydraulic rod 6 is provided at the bottom end of the clamping platform 4, the first hydraulic rod 6 is fixed to the clamping platform 4, and the output end of the first hydraulic rod 6 is fixed to the front side of the slider 71.
[0034] Both ends of the push plate 18 are provided with a slide 17, and the slide 17 is provided with a second slide hole 171. The slide 17 is sleeved on the movable frame 12 through the second slide hole 171. The lifting drive mechanism includes a screw 14 and a motor 16. A second connecting plate 15 is provided on the outer side of the slide 17, and a threaded hole 151 is provided on the second connecting plate 15. First connecting plates 13 are provided at the upper and lower outer sides of the movable frame 12. The two ends of the screw 14 are respectively rotatably connected to the two first connecting plates 13. The threaded holes 151 are threadedly connected to the screw 14. The motor 16 is fixed to the top of the first connecting plate 13, and the output end of the motor 16 is connected to the top of the screw 14.
[0035] There are two first slide grooves 41, and the two first slide grooves 41 are symmetrically distributed on the clamping platform 4. A second slide groove 42 is arranged between the two first slide grooves 41. The bottom plate 22 is arranged inside the second slide groove 42, and one end of the second slide groove 42 passes through the rear side of the fixed clamping plate 8.
[0036] Two limit plates 11 are symmetrically arranged on the top of the base plate 22, with the rear limit plate 11 engaging the rear side of the fixed clamping plate 8. Four mounting plates 1 are symmetrically distributed at the bottom of the clamping platform 4, each of which has a mounting hole 2 defined at its bottom. Side plates 3 are provided at both the front and rear ends of the clamping platform 4, with the slide rod 5 disposed between the two side plates 3. A first slide hole 121 is defined on the bottom surface of the movable frame 12, through which the slide rod 5 extends.
[0037] The slider 71 is a convex-shaped structure. Two first hydraulic rods 6 are symmetrically distributed at the bottom end of the clamping platform 4, and the output ends of the two first hydraulic rods 6 are respectively fixed to the two sliders 71. The movable clamping plate 7 is an L-shaped structure. A reinforcement plate 9 is provided between the L-shaped structure of the movable clamping plate 7. A reinforcement plate 9 is provided between the fixed clamping plate 8 and the clamping platform 4. The inner surfaces of the movable clamping plate 7 and the fixed clamping plate 8 are both provided with anti-slip grooves 20.
[0038] This embodiment is a method for detecting a plate bending rebound characteristic detection fixture, which includes the following steps:
[0039] Step 1: Fix the clamping platform 4 through the mounting hole 2, place the bottom end of the plate between the movable clamping plate 7 and the fixed clamping plate 8, control the first hydraulic rod 6 to work, and drive the movable clamping plate 7 to slide along the first sliding groove 41 through the first hydraulic rod 6. The plate is fixed under the action of the movable clamping plate 7 and the fixed clamping plate 8;
[0040] Step 2: Control the second hydraulic rod 10 to work, and the second hydraulic rod 10 drives the bottom plate 22 to move toward the top, driving the limit plate 11 to move together, until the two limit plates 11 are respectively engaged with the outer sides of the movable clamping plate 7 and the fixed clamping plate 8, thereby fixing the movable clamping plate 7 and the fixed clamping plate 8;
[0041] Step 3: Control the motor 16 to operate. When the motor 16 is operating, it drives the screw 14 to rotate. Under the cooperation of the screw 14 and the threaded hole 151, it drives the slide 17 to slide up and down along the movable frame 12, thereby adjusting the position of the push plate 18 and moving the push plate 18 to the outer side surface of the top of the plate.
[0042] Step 4: Control the third hydraulic rod 19 to work. When working, the third hydraulic rod 19 drives the movable frame 12 to move along the slide rod 5. Under the action of the movable frame 12, the push plate 18 is driven to move synchronously. The push plate 18 presses the plate to perform an elasticity test on the plate.
[0043] The embodiments of the present invention disclosed above are intended only to illustrate the present invention. The embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Numerous modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention.
Claims
1. A fixture for testing the bending and rebound characteristics of a plate, characterized by: It includes a fixed structure, a lifting structure and a clamping platform (4), wherein the fixed structure includes a movable clamping plate (7) and a fixed clamping plate (8), wherein the fixed clamping plate (8) is fixedly connected to the upper surface of the clamping platform (4), and the movable clamping plate (7) is located in front of the fixed clamping plate (8). A first slide groove (41) is provided at the top of the clamping platform (4), and the movable clamping plate (7) is slidably connected to the first slide groove (41). A first hydraulic rod (6) is provided on the clamping platform (4), and the output end of the first hydraulic rod (6) is connected to the movable clamping plate (7). The lifting structure includes a movable clamping plate (7) and a fixed clamping plate (8). The structure includes a movable frame (12), a push plate (18) and a lifting drive mechanism, wherein slide bars (5) are provided on both sides of the clamping platform (4), and there are two movable frames (12). The two movable frames (12) are symmetrically provided on both sides of the clamping platform (4) and are slidably connected to the slide bars (5). A push plate (18) is slidably connected between the two movable frames (12), and the push plate (18) is connected to the lifting drive mechanism. A third hydraulic rod (19) is provided on the clamping platform (4), and the output end of the third hydraulic rod (19) is connected to the movable frame (12).
2. A plate bending rebound characteristic testing fixture according to claim 1, characterized in that: The detection fixture further comprises a limiting structure, which comprises a limiting plate (11) and a bottom plate (22). A guide hole (21) is provided at the top end of the movable splint (7). The bottom plate (22) is arranged at the bottom end of the movable splint (7). The bottom end of the limiting plate (11) passes through the guide hole (21) and is connected to the bottom plate (22). A second hydraulic rod (10) is provided on the outside of the limiting plate (11), and an output end of the second hydraulic rod (10) is connected to the bottom plate (22).
3. The plate bending rebound characteristic testing fixture according to claim 1, characterized in that: The bottom end of the movable clamping plate (7) is connected to a slider (71), and the slider (71) is slidably connected to the first sliding groove (41). The first hydraulic rod (6) is connected to the bottom end of the clamping platform (4), and the output end of the first hydraulic rod (6) is connected to the front side of the slider (71).
4. The plate bending rebound characteristic testing fixture according to claim 1, characterized in that: Both ends of the push plate (18) are provided with a slide seat (17), a second slide hole (171) is opened on the slide seat (17), and the slide seat (17) is sleeved on the movable frame (12) through the second slide hole (171).
5. The plate bending rebound characteristic testing fixture according to claim 4, characterized in that: The lifting drive mechanism includes a screw (14) and a motor (16). A second connecting plate (15) is provided on the outer side of the slide (17). A threaded hole (151) is provided on the second connecting plate (15). First connecting plates (13) are provided at upper and lower locations on the outer side of the movable frame (12). The two ends of the screw (14) are respectively rotatably connected to the two first connecting plates (13). The threaded hole (151) is threadedly connected to the screw (14). The output end of the motor (16) is connected to the screw (14).
6. The plate bending rebound characteristic testing fixture according to claim 2, characterized in that: There are two first slide grooves (41), which are symmetrically distributed on the clamping platform (4). A second slide groove (42) is provided between the two first slide grooves (41). The bottom plate (22) is provided inside the second slide groove (42), and one end of the second slide groove (42) extends through the rear side of the fixed clamping plate (8).
7. The plate bending rebound characteristic testing fixture according to claim 2, characterized in that: Two limiting plates (11) are symmetrically arranged on the top of the bottom plate (22), and the limiting plate (11) located on the rear side is engaged with the rear side surface of the fixed clamping plate (8).
8. The plate bending rebound characteristic testing fixture according to claim 1, characterized in that: Four mounting plates (1) are symmetrically distributed at the bottom end of the clamping platform (4), and mounting holes (2) are provided at the bottom ends of the mounting plates (1). Side plates (3) are provided at both the front and rear ends of the side of the clamping platform (4), and the slide rod (5) is provided between the two side plates (3). A first slide hole (121) is provided on the bottom surface of the movable frame (12), and the slide rod (5) passes through the first slide hole (121).
9. The plate bending rebound characteristic testing fixture according to claim 3, characterized in that: The slider (71) is a convex structure, the movable splint (7) is an L-shaped structure, a reinforcing plate (9) is provided between the L-shaped structures of the movable splint (7), a reinforcing plate (9) is provided between the fixed splint (8) and the clamping platform (4), and anti-slip grooves (20) are provided on the inner sides of the movable splint (7) and the fixed splint (8).
10. A method for testing the plate bending rebound characteristics testing fixture according to claim 1, characterized in that: It includes the following steps: Step 1: Fix the clamping platform (4) through the mounting hole (2), place the bottom end of the plate between the movable clamping plate (7) and the fixed clamping plate (8), control the first hydraulic rod (6) to work, drive the movable clamping plate (7) to slide along the first sliding groove (41) through the first hydraulic rod (6), and fix the plate under the action of the movable clamping plate (7) and the fixed clamping plate (8); Step 2: Control the second hydraulic rod (10) to work, the second hydraulic rod (10) drives the bottom plate (22) to move toward the top, driving the limit plate (11) to move together, until the two limit plates (11) are respectively engaged with the outside of the movable clamping plate (7) and the fixed clamping plate (8), thereby fixing the movable clamping plate (7) and the fixed clamping plate (8); Step 3: Control the motor (16) to work. When the motor (16) is working, it drives the screw (14) to rotate, and under the cooperation of the screw (14) and the threaded hole (151), it drives the slide (17) to slide up and down along the movable frame (12), thereby adjusting the position of the push plate (18) and moving the push plate (18) to the outer side surface of the top of the plate; Step 4: Control the third hydraulic rod (19) to work. When working, the third hydraulic rod (19) drives the movable frame (12) to move along the slide rod (5). Under the action of the movable frame (12), the push plate (18) is driven to move synchronously. The push plate (18) presses the plate to perform an elasticity test on the plate.
Citation Information
Patent Citations
Device and method for simultaneously testing bending limit and resilience value of magnesium alloy strip material
CN108717023A
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CN113390730A