Workpiece thermal barrier coating sample clamp

Abstract

The utility model discloses a workpiece thermal barrier coating sample clamp which comprises a clamp platform for placing a workpiece thermal barrier coating sample C, a bottom plate, a lifting plate connected with the bottom plate in a sliding mode, a workpiece placing plate matched with the surface of the lifting plate, a compression spring installed between the lifting plate and the bottom plate, and a connecting plate installed on the opposite surface of the workpiece placing plate. A rack is arranged on the surface of the connecting plate; the limiting assembly comprises a fixed plate installed on the bottom plate, a pull rod penetrating through the fixed plate in a sliding mode, a movable rod perpendicularly connected with the pull rod and a lifting cylinder arranged on the outer side of the movable rod in a sleeving mode, and a limiting rod is arranged at the end, away from the movable rod, of the pull rod; workpiece thermal barrier coating samples C with different thicknesses and sizes can be conveniently replaced on the clamp, and when thicker workpiece thermal barrier coating samples C need to be replaced, the distance between the workpiece placing plate and the pressing plate is changed by changing the height of the compression spring so as to adapt to the workpiece thermal barrier coating samples C with different thicknesses and sizes.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of clamp, concretely relates to a workpiece thermal barrier coating sample clamp. BACKGROUND

[0002] The workpiece thermal barrier coating sample is a kind of workpiece sample formed by coating layer material on the surface of workpiece using thermal barrier coating technology, and is generally composed of cuboid substrate (metal or alloy), transition layer and ceramic layer, and is mainly used for testing and researching the performance of thermal barrier coating, such as strength, heat insulation, thermal shock resistance and corrosion resistance, etc., and needs to be clamped and fixed by clamp during testing.

[0003] The existing clamp fixes the workpiece thermal barrier coating sample, generally places it on the clamp plate first, then adjusts the position of the workpiece thermal barrier coating sample carefully, and fixes the workpiece thermal barrier coating sample by rotating multiple screw rods and moving clamping blocks.

[0004] The existing clamp has the problem of inconvenient replacement of workpiece thermal barrier coating samples with different thickness and size on the clamp when fixing the workpiece thermal barrier coating sample, and therefore the utility model provides a workpiece thermal barrier coating sample clamp. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a workpiece thermal barrier coating sample clamp to solve the problem of inconvenient replacement of workpiece thermal barrier coating samples with different thickness and size on the clamp.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a workpiece thermal barrier coating sample clamp, comprising

[0007] The clamp platform for placing the workpiece thermal barrier coating sample C comprises a bottom plate, a lifting plate slidably connected with the bottom plate, a workpiece placing plate matched with the surface of the lifting plate, a compression spring installed between the lifting plate and the bottom plate, and a connecting plate installed on the opposite surface of the workpiece placing plate, wherein the surface of the connecting plate is provided with a rack;

[0008] The limiting assembly comprises a fixing plate installed on the bottom plate, a pull rod slidably penetrating through the fixing plate, a moving rod perpendicularly connected with the pull rod, and a lifting cylinder sleeved on the outer side of the moving rod, wherein one end of the pull rod away from the moving rod is provided with a limiting rod, and the outer side of the lifting cylinder is provided with a limiting ring;

[0009] The pressing plate is vertically installed on the fixing plate, the pressing plate is internally provided with a compression spring, a compression cylinder sleeved outside one end of the compression spring, and a positioning ring connected with the other end of the compression cylinder.

[0010] Preferably, the lifting plate is provided with a guide rail, and a sliding block connected with the guide rail.

[0011] Preferably, the L-shaped pulling rod comprises a horizontal rod c1 and a vertical rod c2, the L-shaped limiting rod is connected with the vertical rod c2 perpendicularly, and the moving rod is connected with the horizontal rod c1.

[0012] Preferably, the top end of the moving rod is connected with the fixing plate in a sliding mode, the lifting cylinder is connected with the moving rod in a threaded mode, and the lifting cylinder penetrates through the positioning ring.

[0013] Preferably, the outer surface of the limiting ring is provided with annular limiting strips, the cross section of the rack is in the shape of a tooth, and the racks are distributed in a staggered mode.

[0014] Preferably, the bottom plate is provided with a pulling assembly, the pulling assembly comprises a first extension cylinder connected with the bottom plate in a sliding mode, a second extension cylinder connected with the first extension cylinder in a sliding mode, and a pulling plate connected with the other end of the second extension cylinder perpendicularly.

[0015] Preferably, the outer side of the second extension cylinder close to the one end of the pulling plate is provided with a pressing ring.

[0016] Compared with the prior art, the present application has the following beneficial effects:

[0017] In the present application, the workpiece thermal barrier coating sample C of different thicknesses can be conveniently replaced on the clamp, when thicker workpiece thermal barrier coating sample C needs to be replaced, the height of the compression spring is changed to change the distance between the workpiece placing plate and the pressing plate, so as to adapt to the workpiece thermal barrier coating sample C of different thicknesses, and the height of the lifting cylinder is changed to make the rack engage with the limiting ring, and the limiting of the connecting plate and the workpiece placing plate is realized. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic view of the present application;

[0019] Figure 2 It is a structural schematic view of the present application; Figure 1 It is an enlarged structural schematic view of part A in the present application;

[0020] Figure 3 It is a front view of the lifting cylinder in the present application;

[0021] Figure 4 It is a structural schematic view of the present application; Figure 3Enlarged structure schematic view of middle B part;

[0022] Figure 5 Front view structure schematic view of lifting plate of the utility model;

[0023] Figure 6 Top view structure schematic view of pressing plate of the utility model;

[0024] Figure 7 Sectional view structure schematic view of bottom plate of the utility model;

[0025] In the figure: 3, pressing plate;11, bottom plate;12, lifting plate;13, workpiece placing plate;14, compression spring;15, connecting plate;21, fixed plate;22, pull rod;23, moving rod;24, lifting cylinder;31, contraction spring;32, compression cylinder;33, positioning ring;41, first extension cylinder;42, second extension cylinder;43, pull-out plate;121, guide rail;122, sliding block;151, rack;221, limiting rod;241, limiting ring;421, pressing ring. DETAILED DESCRIPTION

[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 a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the utility model.

[0027] EMBODIMENT

[0028] Please refer to Figures 1 to 7The utility model provides a technical scheme: a workpiece thermal barrier coating sample clamp, including the clamp platform of workpiece thermal barrier coating sample C, including bottom plate 11, the lifting plate 12 of bottom plate 11 sliding connection, the workpiece placement plate 13 of lifting plate 12 surface coincidence, install the compression spring 14 between lifting plate 12 and bottom plate 11, install the connecting plate 15 on the opposite surface of workpiece placement plate 13, bottom plate 11 is equipped with movable cavity, lifting plate 12 and compression spring 14 are located in movable cavity, the both ends of compression spring 14 are fixed with bottom plate 11 and lifting plate 12 through bolt respectively, the surface of connecting plate 15 is equipped with rack 151, connecting plate 15 and rack 151 are connected through glue water bonding, connecting plate 15 and workpiece placement plate 13 are fixed through screw, when workpiece thermal barrier coating sample C is placed, pull rod 22 is pulled out along b direction to outside, pull rod 22 drives moving rod 23 and lifting cylinder 24 to move, workpiece placement plate 13 is moved to outside along a direction, workpiece thermal barrier coating sample C is placed on workpiece placement plate 13, then workpiece placement plate 13 is moved reversely, workpiece placement plate 13 is pressed down simultaneously, lifting plate 12 extrudes compression spring 14, when workpiece thermal barrier coating sample C moves to its both sides and opposes pressing plate 3, workpiece placement plate 13 is moved up, the both sides of workpiece thermal barrier coating sample C are clamped by pressing plate 3 and workpiece placement plate 13, reach the effect of fixing workpiece thermal barrier coating sample C, limiting assembly, including the fixed plate 21 of installing on bottom plate 11, the pull rod 22 of slidingly penetrating fixed plate 21, the moving rod 23 of being connected with pull rod 22 perpendicularly, the lifting cylinder 24 of being set in the outside of moving rod 23, the end of pull rod 22 away from moving rod 23 is equipped with limiting rod 221, the outside of lifting cylinder 24 is equipped with limiting ring 241, fixed plate 21 is connected with bottom plate 11 through screw, lifting cylinder 24 is connected with moving rod 23 through thread engagement, limiting rod 221 is connected with pull rod 22 through thread engagement, limiting rod 221 abuts against fixed plate 21, can make pull rod 22, moving rod 23 and lifting cylinder 24 keep stable, limiting ring 241 is connected with rack 151 misregistration, forms meshing connection, realizes the limitation of connecting plate 15, avoids workpiece placement plate 13 to sway, the pressing plate 3 of being installed perpendicularly on fixed plate 21, the pressing plate 3 of " L " type structure is fixed with in fixed plate 21 through hand screw, and the side position of workpiece thermal barrier coating sample C on the surface of workpiece placement plate 13 is pressed by pressing plate 3, the inside of this pressing plate 3 is equipped with contraction spring 31, the compression cylinder 32 of being set in the outside of one end of contraction spring 31, the positioning ring 33 of being connected with the other end of compression cylinder 32, compression cylinder 32 is connected with positioning ring 33 through thread engagement, positioning ring 33 limits lifting cylinder 24, avoids lifting cylinder 24 to be askew.

[0029] In the embodiment, the guide rail 121 is arranged on the lifting plate 12, and the sliding block 122 is slidably connected with the guide rail 121.

[0030] In the embodiment, the pull rod 22 in the L-shaped structure comprises a horizontal rod c1 and a vertical rod c2, the defining rod 221 in the L-shaped structure is connected perpendicularly with the vertical rod c2, the moving rod 23 is connected with the horizontal rod c1, the pull rod 22 is pulled outwardly to move the moving rod 23, a rotating shaft is penetrated through the end of the vertical rod c2 and the end of the horizontal rod c1, and the vertical rod c2 is rotationally connected with the horizontal rod c1.

[0031] In the embodiment, the top end of the moving rod 23 is slidingly connected with the fixed plate 21, the moving rod 23 is limited by the fixed plate 21, the lifting cylinder 24 is connected with the moving rod 23 through screwing, the height of the lifting cylinder 24 can be adjusted, the lifting cylinder 24 is penetrated through the positioning ring 33, and the lifting cylinder 24 is limited by the positioning ring 33.

[0032] In the embodiment, the outer surface of the limiting ring 241 is provided with annular limiting strips, the cross section of the rack 151 and the limiting strips is in the form of a triangular tooth shape, the rack 151 is distributed in a staggered manner with the corresponding limiting strips, the rack 151 is connected with the limiting strips on the outer surface of the limiting ring 241 in a staggered manner, and the connecting plate 15 is limited.

[0033] In the embodiment, the bottom plate 11 is provided with a pulling assembly, the pulling assembly comprises a first extension cylinder 41 slidingly connected with the bottom plate 11, a second extension cylinder 42 slidingly connected with the first extension cylinder 41, and a pulling plate 43 connected perpendicularly with the other end of the second extension cylinder 42, the outer side of the end of the second extension cylinder 42 close to the pulling plate 43 is provided with a pressing ring 421, the second extension cylinder 42 and the first extension cylinder 41 can be pulled and moved outwardly, the distance between the pulling plate 43 and the bottom plate 11 is increased, the second extension cylinder 42 is lifted to achieve the effect of lifting the bottom plate 11, when the thermal shock performance of the workpiece thermal barrier coating sample C is tested, the workpiece thermal barrier coating sample C is in a high-temperature thermal environment, the second extension cylinder 42 is lifted to achieve the effect of safely lifting the bottom plate 11 and the workpiece thermal barrier coating sample C.

[0034] The working principle and use process of the utility model are as follows:

[0035] When the workpiece thermal barrier coating sample C with different sizes and thicknesses is replaced, the pull rod 22 is pulled and moved outwardly along the b direction, the pull rod 22 drives the moving rod 23 and the lifting cylinder 24 to move;

[0036] The moving rod 23 drives the positioning ring 33 and the compression cylinder 32 to move, and the compression cylinder 32 extrudes and contracts the compression spring 31.

[0037] A rotating shaft is penetrated through the end of the vertical rod c2 and the end of the horizontal rod c1, the vertical rod c2 is rotationally connected with the horizontal rod c1, the vertical rod c2 of the pull rod 22 is rotated, and the defining rod 221 is abutted against the fixed plate 21.

[0038] The workpiece placement plate 13 is lowered, the lifting plate 12 is lowered and squeezes the compression spring 14, and at the same time the workpiece placement plate 13 is moved outward along the a direction to replace the workpiece thermal barrier coating sample C on it with a sample of different thickness and size.

[0039] The workpiece placement plate 13 is moved in the opposite direction. When the workpiece thermal barrier coating sample C moves to its two sides and is opposite to the pressure plate 3, the workpiece placement plate 13 is moved upward. The compression spring 14 is extended from the compressed state. The two sides of the workpiece thermal barrier coating sample C are clamped by the pressure plate 3 and the workpiece placement plate 13, so as to fix the workpiece thermal barrier coating sample C.

[0040] Rotate the vertical rod c2 of the pull rod 22 to make the limiting rod 221 move away from the fixed plate 21;

[0041] Under the elastic force of the retraction spring 31, the moving rod 23, the positioning ring 33, and the compression cylinder 32 are reset;

[0042] The rack 151 and the corresponding limiting strip are staggered and connected to the limiting strip on the outer surface of the limiting ring 241 in an alternating manner, thereby limiting the connecting plate 15 and preventing shaking.

[0043] When clamping workpiece thermal barrier coating samples C of different thicknesses, the distance between the workpiece placement plate 13 and the pressure plate 3 is the same as the thickness of the workpiece thermal barrier coating sample C, so as to fix the workpiece thermal barrier coating sample C.

[0044] In summary: different thicknesses of workpiece thermal barrier coating samples C can be easily replaced on the fixture. When it is necessary to replace the workpiece thermal barrier coating sample C with a thicker one, the distance between the workpiece placement plate 13 and the pressure plate 3 can be changed by changing the height of the compression spring 14, so as to accommodate workpiece thermal barrier coating samples C with different thicknesses. The height of the lifting cylinder 24 can be changed to make the rack 151 mesh with the limiting ring 241 to limit the connecting plate 15 and the workpiece placement plate 13.

[0045] Although embodiments of the present invention have been shown and described (see the detailed description above), it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A workpiece thermal barrier coating coupon fixture, characterized by: Comprising The jig platform for placing the workpiece thermal barrier coating sample C comprises a bottom plate (11), a lifting plate (12) in sliding connection with the bottom plate (11), a workpiece placing plate (13) in conformity with the surface of the lifting plate (12), a compression spring (14) installed between the lifting plate (12) and the bottom plate (11), and a connecting plate (15) installed on the opposite surface of the workpiece placing plate (13), wherein the surface of the connecting plate (15) is provided with a rack (151); The limiting assembly comprises a fixed plate (21) installed on the bottom plate (11), a pull rod (22) slidingly penetrating through the fixed plate (21), a moving rod (23) in perpendicular connection with the pull rod (22), and a lifting cylinder (24) sleeved on the outer side of the moving rod (23), wherein the end of the pull rod (22) away from the moving rod (23) is provided with a limiting rod (221), and the outer side of the lifting cylinder (24) is provided with a limiting ring (241). A pressing plate (3) is vertically installed on the fixed plate (21), and the pressing plate (3) is provided with a contraction spring (31), a compression cylinder (32) sleeved on one end of the contraction spring (31), and a positioning ring (33) connected with the other end of the compression cylinder (32).

2. A workpiece thermal barrier coating coupon clamp according to claim 1, wherein: The lifting plate (12) is provided with a guide rail (121) and a sliding block (122) in sliding connection with the guide rail (121), and the workpiece placing plate (13) is connected with the sliding block (122) through a screw.

3. The workpiece thermal barrier coating coupon clamp of claim 1, wherein: The pull rod (22) in "L" structure comprises a horizontal rod (c1) and a vertical rod (c2), the limiting rod (221) in "L" structure is in perpendicular connection with the vertical rod (c2), and the moving rod (23) is connected with the horizontal rod (c1).

4. The workpiece TBC specimen clamp of claim 1, wherein: The top end of the moving rod (23) is in sliding connection with the fixed plate (21), the lifting cylinder (24) is in threadedly screwed connection with the moving rod (23), and the lifting cylinder (24) penetrates through the positioning ring (33).

5. The workpiece thermal barrier coating coupon clamp of claim 1, wherein: The outer surface of the limiting ring (241) is provided with a ring-shaped limiting strip, the rack (151) is in the form of a tooth shape with a triangular cross section, and the rack (151) is distributed in a staggered manner with the corresponding limiting strips.

6. The workpiece TBC specimen clamp of claim 1, wherein: The bottom plate (11) is provided with a pulling assembly, which comprises a first extension cylinder (41) in sliding connection with the bottom plate (11), a second extension cylinder (42) in sliding connection with the first extension cylinder (41), and a pulling plate (43) in perpendicular connection with the other end of the second extension cylinder (42).

7. A workpiece TBC specimen clamp according to claim 6, wherein: The outer side of the second extension cylinder (42) close to one end of the pulling plate (43) is provided with a pressing ring (421).

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