A three-way catalyst sealing gasket testing device

Abstract

The present application relates to the technical field of sealing gasket of three-way catalyst, and discloses a sealing gasket testing device of three-way catalyst, which comprises a workbench, a fixing plate and a placing block are arranged above the workbench, a mounting shell is further arranged on the side wall of the workbench, and supporting legs are arranged around the bottom of the mounting shell. The present application ensures the stable installation of the upper cover plate and the lower cover plate through the precise positioning assembly, heats the sealing gasket body from the inner ring, seals the two ends in combination with the first hydraulic cylinder and the third hydraulic cylinder, guarantees the reliable test environment, drives the first ball and the second ball to rotate circumferentially by using the electric motor, cooperates with the CCD camera to monitor the displacement of the first circular sliding plate, accurately detects the excess or deficiency of thermal expansion, drives the first ball and the second ball to move horizontally by using the second hydraulic cylinder, realizes omnibearing detection, greatly improves the detection accuracy and comprehensiveness, effectively screens qualified sealing gasket bodies, and guarantees the sealing performance of the three-way catalyst.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of sealing gaskets of three-way catalysts, and particularly relates to a sealing gasket testing device for three-way catalysts. BACKGROUND

[0002] With the rapid development of the automobile industry, environmental protection requirements are increasingly stringent. As a key component for reducing harmful gas emissions from automobile exhaust, the performance stability of a three-way catalyst directly relates to the emission compliance and operational reliability of a vehicle. The sealing performance of a three-way catalyst is one of the core elements for ensuring its efficient operation. Poor sealing not only leads to leakage of exhaust gas that has not been fully purified, causing environmental pollution, but also affects the normal working temperature of the catalyst due to exhaust gas short-circuiting, significantly reducing its catalytic conversion efficiency, and even causing a series of problems such as engine performance degradation and increased fuel consumption.

[0003] As a key component for sealing a three-way catalyst, the quality and performance of a sealing gasket play a decisive role. During vehicle operation, a three-way catalyst is subjected to high temperatures, vibrations, and complex airflow impacts in a harsh environment, which poses extremely high requirements for the heat resistance, elasticity, and sealing performance of the sealing gasket.

[0004] Traditional testing methods often fail to accurately simulate the stress state and sealing conditions of a sealing gasket in actual working environments, making it difficult to comprehensively and accurately detect its sealing performance.

[0005] Therefore, the present application is proposed. SUMMARY

[0006] To solve the above technical problems, the basic concept of the technical solution of the present application is as follows:

[0007] A kind of three-way catalyst sealing gasket testing device, including workbench, fixed plate and placing block are arranged above the workbench, one side wall of the workbench is also provided with installation shell, the installation shell bottom is provided with support leg around, the placing block two ends are respectively provided with first installation pipeline and second installation pipeline, the placing block is placed with lower cover plate, the upper cover plate is arranged on the lower cover plate, the upper cover plate and lower cover plate are placed with sealing gasket body in the middle, the placing block is also four two two two-symmetrical slide rails, first floating plate is arranged between every two slide rails, two floating plates are mutually symmetrical;The inner ring of the sealing gasket body is provided with annular mounting plate, the opposite two side walls of the annular mounting plate are provided with placing plate, two placing plates are mutually symmetrical, and the upper cover plate and lower cover plate are provided with first ball above two ends respectively;The first positioning plate and the second positioning plate are mutually symmetrical, and the first positioning plate and the second positioning plate are respectively provided with first circular mounting rod and second circular mounting rod on the opposite side wall, the second ball is provided below the first circular mounting rod, and the first positioning plate and the second positioning plate are respectively provided with CCD camera on the opposite side;The inner cavity of the first installation pipeline and the second installation pipeline is respectively provided with drive assembly and moving assembly, the drive assembly is used to drive the first positioning plate and the second positioning plate and moving assembly rotation, and the moving assembly is used to drive the first ball and the second ball horizontal reciprocating movement.

[0008] As a preferred embodiment of the application, the top plate is provided on the workbench, and the support frame is provided around the bottom of the top plate.

[0009] As a preferred embodiment of the application, the drive assembly includes an electric motor, the electric motor is arranged in the inner cavity of the first installation pipeline, the end of the first installation pipeline away from the second installation pipeline is arranged on the fixed plate, the bottom of the electric motor is provided with a support seat, the output end of the electric motor is provided with a rotating rod, the end of the rotating rod away from the electric motor is provided with a first circular mounting plate, the end of the first circular mounting plate away from the electric motor is provided with a circular track, the first hydraulic cylinder is arranged in the side wall of the first circular mounting plate away from the electric motor, the output end of the first hydraulic cylinder is provided with a first circular cylinder, the first circular cylinder is arranged on the first positioning plate, and the CCD camera is arranged in the inner cavity of the first circular cylinder.

[0010] As a preferred embodiment of the present application, the second mounting pipe cavity is provided with a second circular mounting plate, the bottom of the second circular mounting plate is provided with a support seat, one end of the second circular mounting plate close to the driving assembly is provided with a third hydraulic cylinder, the end of the third hydraulic cylinder away from the second circular mounting plate is provided with a second circular barrel, the second circular barrel is arranged on the second positioning plate, and the second circular barrel cavity is provided with a CCD camera.

[0011] As a preferred embodiment of the present application, the opposite ends of the first circular mounting rod and the second circular mounting rod are arranged on the opposite side walls of the first positioning plate and the second positioning plate respectively, the first circular mounting rod and the second circular mounting rod are respectively provided with a first rectangular notch and a second rectangular notch, the first circular mounting rod and the second circular mounting rod cavities are respectively penetrated through the first positioning plate and the second positioning plate, the first circular mounting rod and the second circular mounting rod cavities are both provided with a pull rod, the two pull rods are respectively provided with a first circular moving plate and a first circular sliding plate at both ends, and each first circular moving plate and first circular sliding plate is slidably arranged in the first circular mounting rod and the second circular mounting rod cavities.

[0012] As a preferred embodiment of the present application, the moving assembly comprises a plurality of second hydraulic cylinders, each of the second hydraulic cylinders is symmetrical to each other, each of the second hydraulic cylinders is slidably arranged on the circular track, and the output ends of each of the second hydraulic cylinders are movably penetrated through the first positioning plate and the second positioning plate.

[0013] As a preferred embodiment of the present application, the opposite ends of the first positioning plate and the second positioning plate are respectively provided with two symmetrical heating assemblies, the opposite side walls of the first positioning plate and the second positioning plate are both provided with two symmetrical circular fixing barrels, the circular fixing barrel cavities are both provided with a circular plug-in rod, the opposite ends of each circular plug-in rod are both connected with the output ends of the second hydraulic cylinders, and the opposite ends of each circular plug-in rod are provided with a circular mounting plate.

[0014] As a preferred embodiment of the present application, the two placement plates are provided with rectangular mounting tubes above them, the two rectangular mounting tubes are symmetrical to each other, the inner cavities of the two rectangular mounting tubes are fixedly provided with connecting plates, the two rectangular mounting tubes are provided with moving plates above the connecting plates, respectively, the opposite ends of the two moving plates and the connecting plates are provided with return springs, respectively, the upper portions of the two moving plates are provided with rectangular insertion rods, respectively, the two rectangular insertion rods are movably penetrated through the rectangular mounting tubes, the upper portions of the two rectangular insertion rods are provided with first universal joints, respectively, the two first universal joints are provided with first balls, respectively, the bottom portions of the two moving plates are further provided with driving rods, the two driving rods are movably penetrated through the connecting plates, the rectangular mounting tubes and the placement plates, respectively, and the bottom portions of the two driving rods are provided with circular placement plates, respectively, the bottom portions of the two circular placement plates are movably provided with first swing arms, the first swing arms are movably penetrated through the first rectangular notches, and the ports are movably arranged on the first circular moving plates.

[0015] As a preferred embodiment of the present application, the first circular moving plate is provided with a connecting rod on one side wall of the inner cavity of the first circular mounting rod, the connecting rod is provided with a second circular moving plate on the end away from the first circular moving plate, the second circular moving plate is movably provided with a second swing arm, the second swing arm is movably penetrated through a second rectangular notch, and a second universal joint is movably arranged at the port, and the second universal joint is provided with a second ball at the bottom portion.

[0016] As a preferred embodiment of the present application, the inner cavity of the first circular tube is provided with a placement notch, and a detection plate is slidably arranged on the placement notch, one side wall of the detection plate is provided with two sliding rods, the two sliding rods are symmetrical to each other, the two sliding rods are penetrated through the circular notches provided at the support frames, respectively, the ends of the two sliding rods away from the detection plate are provided with mounting frames, respectively, the two mounting frames are symmetrical to each other, the two mounting frames are provided with movable rods, respectively, the two movable rods are symmetrical to each other, the other ends of the two movable rods are movably provided with fixing frames, respectively, and the two fixing frames are provided on the floating plates.

[0017] Compared with the prior art, the present application has the following beneficial effects:

[0018] The application ensures stable installation of the upper cover plate and the lower cover plate through the accurate positioning assembly, seals the body of the inner ring heating sealing gasket, seals two ends in combination with the first hydraulic cylinder and the third hydraulic cylinder, guarantees reliable test environment, drives the first ball and the second ball to rotate in a circle by using the electric motor, cooperates with the CCD camera to monitor the displacement of the first circular sliding plate, accurately detects excess or insufficient thermal expansion, drives the first ball and the second ball to move horizontally by the second hydraulic cylinder, realizes omnibearing detection, greatly improves detection accuracy and comprehensiveness, effectively screens qualified sealing gasket bodies, guarantees sealing performance of the three-way catalyst, and simultaneously, when the upper cover plate and the lower cover plate are deflated, the floating plate can be moved, the detection plate can be moved when the floating plate is moved, and the CCD camera can detect when the detection plate is moved, so that whether the upper cover plate and the lower cover plate are deflated can be found in the first time.

[0019] The specific embodiments of the application will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0020] In the drawings:

[0021] Figure 1 It is a three-way catalyst sealing gasket testing device three-dimensional structure schematic diagram;

[0022] Figure 2 It is a three-way catalyst sealing gasket testing device side view (I) structure schematic diagram;

[0023] Figure 3 It is a three-way catalyst sealing gasket testing device local sectional view (I) structure schematic diagram;

[0024] Figure 4 It is a three-way catalyst sealing gasket testing device local sectional view (II) structure schematic diagram;

[0025] Figure 5 It is a three-way catalyst sealing gasket testing device side view (II) structure schematic diagram;

[0026] Figure 6 It is a three-way catalyst sealing gasket testing device first installation pipeline sectional view structure schematic diagram;

[0027] Figure 7 It is a three-way catalyst sealing gasket testing device first installation pipeline side view structure schematic diagram;

[0028] Figure 8 It is a three-way catalyst sealing gasket testing device second installation pipeline sectional view structure schematic diagram;

[0029] Figure 9 It is a three-way catalyst sealing gasket testing device Figure 8Structure schematic diagram of middle part enlarged (I);

[0030] Figure 10 Structure schematic diagram of middle part enlarged (I); Figure 9 Structure schematic diagram of middle part enlarged (I);

[0031] Figure 11 Structure schematic diagram of middle part enlarged (I);

[0032] Figure 12 Structure schematic diagram of middle part enlarged (I); Figure 11 Structure schematic diagram of middle part enlarged (I);

[0033] Figure 13 Structure schematic diagram of middle part enlarged (I); Figure 8 Structure schematic diagram of middle part enlarged (I);

[0034] Figure 14 Structure schematic diagram of middle part enlarged (I);

[0035] Figure 15 Structure schematic diagram of middle part enlarged (I); Figure 14 Structure schematic diagram of middle part enlarged (I);

[0036] Figure 16 Structure schematic diagram of middle part enlarged (I).

[0037] In the figure:

[0038] 1, workbench; 11, fixed plate; 111, support frame; 112, top plate; 12, installation shell; 121, support leg; 13, placing block; 131, first installation pipeline; 132, second installation pipeline; 14, upper cover plate; 141, lower cover plate; 15, sealing gasket body;

[0039] 2, electric motor; 21, rotating rod; 211, first circular installation plate; 212, support seat; 213, circular track; 22, first hydraulic cylinder; 221, first circular cylinder; 222, first positioning plate; 223, second positioning plate; 224, second circular cylinder; 225, placing notch; 23, first circular installation rod; 231, first rectangular notch; 232, second rectangular notch; 26, second circular installation rod; 261, CCD camera; 27, second circular installation plate; 271, third hydraulic cylinder; 28, heating assembly;

[0040] 3, second hydraulic cylinder; 31, round fixed cylinder; 311, round plug-in rod; 32, round ring mounting plate; 321, placement plate; 33, rectangular mounting cylinder; 331, moving plate; 332, rectangular plug-in rod; 333, first universal joint; 334, first ball; 335, link plate; 336, return spring; 337, drive rod; 34, round placement plate; 341, first swing arm; 342, first round moving plate; 343, pull rod; 344, first round sliding plate; 35, connecting rod; 351, second round moving plate; 352, second swing arm; 353, second universal joint; 354, second ball;

[0041] 4, floating plate; 41, slide rail; 42, detection plate; 421, sliding rod; 422, movable rod; 423, mounting frame; 424, fixed frame. DETAILED DESCRIPTION

[0042] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present application. The following embodiments are used to illustrate the present application.

[0043] Embodiment 1, as Figures 1 to 16As shown, a kind of three-way catalyst sealing gasket testing device, including workbench 1, workbench 1 top is provided with fixed plate 11 and placing block 13, workbench 1 side wall is also provided with installation shell 12, installation shell 12 bottom is provided with support leg 121 around, placing block 13 two ends are provided with first installation pipeline 131 and second installation pipeline 132 respectively, placing block 13 is placed with lower cover plate 141, lower cover plate 141 top is provided with upper cover plate 14, upper cover plate 14 and lower cover plate 141 middle are placed with sealing gasket body 15, placing block 13 still have four two two symmetrical slide rails 41, every two slide rails 41 are provided with floating plate 4, two floating plates 4 are mutually symmetrical;Sealing gasket body 15 inner ring is provided with annular mounting plate 32, two sides of annular mounting plate 32 are provided with placing plate 321, two placing plates 321 are mutually symmetrical, two placing plates 321 top are provided with first ball 334 respectively;Upper cover plate 14 and lower cover plate 141 two ends are provided with first positioning plate 222 and second positioning plate 223 respectively, first positioning plate 222 and second positioning plate 223 are mutually symmetrical, the opposite side wall of first positioning plate 222 and second positioning plate 223 is provided with first circular mounting rod 23 and second circular mounting rod 26 respectively, first circular mounting rod 23 lower side is provided with second ball 354, the opposite side of first positioning plate 222 and second positioning plate 223 is provided with CCD camera 261 respectively;First installation pipeline 131 and second installation pipeline 132 inner cavity are provided with drive assembly and moving assembly respectively, drive assembly is used to drive first positioning plate 222 and second positioning plate 223 and moving assembly rotation, moving assembly is used to drive first ball 334 and second ball 354 horizontal reciprocating movement.The accurate positioning assembly ensures that upper cover plate 14 and lower cover plate 141 install stably, from inner ring heat sealing gasket body 15, in combination with first hydraulic cylinder 22 and third hydraulic cylinder 271 seal two ends, guarantee test environment reliable.Electric motor 2 is used to drive first ball 334 and second ball 354 circumferential rotation, cooperate with CCD camera 261 monitoring first circular slide plate 344 displacement, accurately detect thermal expansion excess or deficiency.Second hydraulic cylinder 3 drives first ball 334 and second ball 354 horizontal movement, realize omnibearing detection, greatly improve detection accuracy and comprehensiveness, effectively screen qualified sealing gasket body 15, guarantee three-way catalyst sealing performance.

[0044] As Figures 1 to 5 shown, in specific embodiment, workbench 1 top is provided with top plate 112, top plate 112 bottom is provided with support frame 111 around respectively, four support frames 111 two two mutually symmetrical.In this setting, the installation position of top plate 112 is determined.

[0045] As Figures 1 to 13As shown, further, the drive assembly includes an electric motor 2, the electric motor 2 is arranged in the inner cavity of the first mounting pipe 131, the first mounting pipe 131 is arranged on the fixed plate 11 away from the second mounting pipe 132, the bottom of the electric motor 2 is provided with a support seat 212, the output end of the electric motor 2 is provided with a rotating rod 21, the end of the rotating rod 21 away from the electric motor 2 is provided with a first circular mounting plate 211, the end of the first circular mounting plate 211 away from the electric motor 2 is provided with a circular track 213, the middle of the side wall of the first circular mounting plate 211 away from the electric motor 2 is provided with a first hydraulic cylinder 22, the output end of the first hydraulic cylinder 22 is provided with a first circular cylinder 221, the first circular cylinder 221 is arranged on the first positioning plate 222, and the inner cavity of the first circular cylinder 221 is provided with a CCD camera 261. In this arrangement, the installation position of the electric motor 2 is determined.

[0046] As shown in the figure, Figures 1 to 13 Further, the inner cavity of the second mounting pipe 132 is provided with a second circular mounting plate 27, the bottom of the second circular mounting plate 27 is provided with a support seat 212, the end of the second circular mounting plate 27 close to the drive assembly is provided with a third hydraulic cylinder 271, the end of the third hydraulic cylinder 271 away from the second circular mounting plate 27 is provided with a second circular cylinder 224, the second circular cylinder 224 is arranged on the second positioning plate 223, and the inner cavity of the second circular cylinder 224 is provided with a CCD camera 261. In this arrangement, the installation position of the CCD camera 261 is determined.

[0047] Embodiment 2, different from the above embodiment and this embodiment is: Figures 1 to 13 As shown in the figure, a three-way catalyst sealing gasket testing device, the opposite ends of the first circular mounting rod 23 and the second circular mounting rod 26 are arranged on the opposite side walls of the first positioning plate 222 and the second positioning plate 223 respectively, the first circular mounting rod 23 and the second circular mounting rod 26 are respectively provided with a first rectangular notch 231 and a second rectangular notch 232, the inner cavities of the first circular mounting rod 23 and the second circular mounting rod 26 are respectively penetrated through the first positioning plate 222 and the second positioning plate 223, the inner cavities of the first circular mounting rod 23 and the second circular mounting rod 26 are both provided with a pull rod 343, the two pull rods 343 are respectively provided with a first circular moving plate 342 and a first circular sliding plate 344 at both ends, and each first circular moving plate 342 and first circular sliding plate 344 is arranged in the inner cavities of the first circular mounting rod 23 and the second circular mounting rod 26 respectively. In this arrangement, the installation position of the first circular moving plate 342 is determined.

[0048] As shown in the figure, Figures 1 to 13As shown in the specific embodiment, the moving assembly comprises a plurality of second hydraulic cylinders 3, each of which is symmetrically arranged with another one, and each of which is slidingly arranged on the circular track 213, and the output end of each of which is movably penetrated through the first positioning plate 222 and the second positioning plate 223. In this arrangement, the installation position of the second hydraulic cylinder 3 is determined.

[0049] As shown in the specific embodiment, Figures 1 to 13 Further, the first positioning plate 222 and the second positioning plate 223 are respectively provided with two symmetric heating assemblies 28 at opposite ends, and the first positioning plate 222 and the second positioning plate 223 are respectively provided with two symmetric circular fixed cylinders 31 at opposite sides, and each of the circular fixed cylinders 31 is provided with a circular plug-in rod 311 in the inner cavity, and the output end of each of the second hydraulic cylinders 3 is connected to the opposite end of each of the circular plug-in rods 311, and each of the circular plug-in rods 311 is provided with a circular mounting plate 32 at the opposite end. In this arrangement, the installation position of the circular mounting plate 32 is determined.

[0050] As shown in the specific embodiment, Figures 1 to 13 Further, the two placement plates 321 are respectively provided with a rectangular mounting cylinder 33 above, the two rectangular mounting cylinders 33 are symmetrically arranged, the inner cavities of the two rectangular mounting cylinders 33 are fixedly provided with an adapter plate 335, the two rectangular mounting cylinders 33 are respectively provided with a moving plate 331 above the adapter plate 335, the opposite end of each of the two moving plates 331 is provided with a return spring 336, the upper portion of each of the two moving plates 331 is provided with a rectangular plug-in rod 332, the two rectangular plug-in rods 332 are movably penetrated through the rectangular mounting cylinder 33, the upper portion of each of the two rectangular plug-in rods 332 is provided with a first universal joint 333, the upper portion of each of the two first universal joints 333 is provided with a first ball 334, the bottom portion of each of the two moving plates 331 is further provided with a driving rod 337, the driving rod 337 is movably penetrated through the adapter plate 335, the rectangular mounting cylinder 33 and the placement plate 321, and the bottom portion of each of the two driving rods 337 is provided with a circular placement plate 34, the first swing arm 341 is movably arranged at the bottom portion of each of the two circular placement plates 34, and the first swing arm 341 is movably penetrated through the first rectangular slot 231 and movably arranged at the first circular moving plate 342. In this arrangement, the specific installation position of the first ball 334 is determined.

[0051] As shown in the specific embodiment, Figures 1 to 13As shown, further, the first circular moving plate 342 is provided with a connecting rod 35 on one side wall of the inner cavity of the first circular mounting rod 23, and the connecting rod 35 is provided with a second circular moving plate 351 at one end away from the first circular moving plate 342, and the second circular moving plate 351 is movably provided with a second swing arm 352, the second swing arm 352 movably penetrates the second rectangular slot 232, and the second universal joint 353 is movably arranged at the end port, and the second universal joint 353 is provided with a second ball 354 at the bottom. In this arrangement, the specific installation position of the second ball 354 is determined.

[0052] As shown in Figure 1 and Figures 14 to 15 As shown, further, the first circular cylinder 221 is provided with a placing slot 225 through the inner cavity, and the detecting plate 42 is slidably arranged on the placing slot 225, and the detecting plate 42 is provided with two sliding rods 421 on one side wall, the two sliding rods 421 are symmetrical to each other, and the two sliding rods 421 are respectively penetrated into the circular slot of the support frame 111, and the two sliding rods 421 are respectively provided with mounting frames 423 at one end away from the detecting plate 42, the two mounting frames 423 are symmetrical to each other, and the two mounting frames 423 are provided with movable rods 422, the two movable rods 422 are symmetrical to each other, and the two movable rods 422 are movably provided with fixing frames 424 at the other end, the two fixing frames 424 are symmetrical to each other, and the two fixing frames 424 are respectively arranged on the floating plate 4.

[0053] The implementation principle of the three-way catalyst sealing gasket testing device of the embodiment is as follows:

[0054] First, the staff places the lower cover plate 141 on the placing block 13, and when the placing is completed, the staff places the sealing gasket body 15 into the inner cavity of the lower cover plate 141, and aligns and connects the upper cover plate 14 and the lower cover plate 141, and the staff positions the placed upper cover plate 14 and lower cover plate 141 through the positioning assembly.

[0055] When the positioning is completed, the staff controls the heating assembly 28 to operate, so that the heating assembly 28 can heat from the inner ring of the sealing gasket body 15, and when the heating is completed, the staff controls the first hydraulic cylinder 22 and the third hydraulic cylinder 271 to operate at the same time, so that the first hydraulic cylinder 22 and the third hydraulic cylinder 271 can drive the first positioning plate 222 and the second positioning plate 223 to seal the two ends of the upper cover plate 14 and the lower cover plate 141.

[0056] Meanwhile, the staff member controls the electric motor 2 to operate, so that the electric motor 2 drives the rotating rod 21 to rotate, the rotating rod 21 drives the first circular mounting plate 211 to rotate, the first circular mounting plate 211 drives the first hydraulic cylinder 22 to rotate, the first hydraulic cylinder 22 drives the first positioning plate 222 to rotate, the first positioning plate 222 drives the first circular mounting rod 23 to rotate, the first circular mounting rod 23 drives the first swing arm 341 and the second swing arm 352 to rotate respectively, because the first circular mounting rod 23 is provided with the first rectangular slot 231 and the second rectangular slot 232, and the first rectangular slot 231 and the second rectangular slot 232 are fitted with the first swing arm 341 and the second swing arm 352 respectively, so that the first swing arm 341 and the second swing arm 352 can rotate when the first circular mounting rod 23 rotates, and because the other end of the first swing arm 341 is connected with the circular placing plate 34, so that the circular placing plate 34 can rotate, and because the driving rod 337 is provided above the circular placing plate 34, and the driving rod 337 is connected with the placing plate 321 and the rectangular mounting cylinder 33, so that the placing plate 321 and the rectangular mounting cylinder 33 can rotate, the rectangular mounting cylinder 33 drives the rectangular insertion rod 332 to rotate, the rectangular insertion rod 332 drives the first rolling ball 334 to rotate, so that the first rolling ball 334 can move by being pressed by the inner ring of the sealing gasket body 15 when the sealing gasket body 15 expands, when the first rolling ball 334 moves a lot, the driving rod 337 moves, so that the driving rod 337 drives the circular placing plate 34 to move, the circular placing plate 34 drives the first swing arm 341 to drive the first circular moving plate 342 to move horizontally, the first circular moving plate 342 drives the pull rod 343 to move horizontally, the pull rod 343 drives the first circular sliding plate 344 to move horizontally, so that the staff member can monitor the distance of the first circular sliding plate 344 by the CCD camera 261, so as to determine whether the sealing gasket body 15 expands too much, and the second circular mounting rod 26 is the same as the above).

[0057] At the same time, when the sealing gasket body 15 expands less, the inner ring of the sealing gasket body 15 can touch the second ball 354 to move, which can drive the second swing arm 352 to move when the second ball 354 moves, and can drive the second circular moving plate 351 to move horizontally in the first circular mounting rod 23 when the second swing arm 352 moves, which can drive the first circular moving plate 342 to move horizontally through the connecting rod 35 when the second circular moving plate 351 moves, so as to determine whether the sealing gasket body 15 expands less according to whether the first circular moving plate 344 is driven to move horizontally by the pull rod 343 during the preliminary expansion of the sealing gasket body 15 (wherein when the first circular moving plate 344 does not move horizontally, it is determined that the sealing gasket body 15 is unqualified).

[0058] According to the above, the second hydraulic cylinder 3 can also be controlled to operate by the worker at this time, so that the second hydraulic cylinder 3 can drive the circular insertion rod 311 arranged in the inner cavity of the circular fixed cylinder 31 to move horizontally, which can drive the circular mounting plate 32 to move horizontally when the circular insertion rod 311 moves horizontally, so that the placement plate 321 can be driven to move horizontally through the circular mounting plate 32, so that the first ball 334 and the second ball 354 can move horizontally, so that the first ball 334 and the second ball 354 can move horizontally while rotating, which ensures that they can judge the thermal expansion coefficient of each part of the sealing gasket body 15, so that the detection is more accurate.

[0059] At the same time, when the sealing gasket body 15 is affected by thermal expansion or damage, the sealed space between the upper cover plate 14 and the lower cover plate 141 will leak, and when it leaks, the gas will push the floating plate 4 to move horizontally with the assistance of the sliding rail 41, which can drive the fixed frame 424 to move horizontally when the floating plate 4 moves horizontally, which can drive the mounting frame 423 to move horizontally with the assistance of the sliding rod 421 and the detection plate 42 through the movable rod 422 when the fixed frame 424 moves horizontally, which can be monitored by the CCD camera 261 when the detection plate 42 moves, so as to determine whether the upper cover plate 14 and the lower cover plate 141 leak.

Claims

1. A three-way catalytic converter sealing gasket testing device, comprising a workbench (1), characterized in that: A fixing plate (11) and a placement block (13) are provided above the workbench (1). A lower cover plate (141) is placed on the placement block (13), and an upper cover plate (14) is provided above the lower cover plate (141). A sealing gasket body (15) is placed between the upper cover plate (14) and the lower cover plate (141). A circular mounting plate (32) is provided on the inner ring of the sealing gasket body (15). Placement plates (321) are provided on the opposite side walls of the circular mounting plate (32). A first roller is provided above each of the two placement plates (321). The upper cover plate (14) and the lower cover plate (141) are respectively provided with a first positioning plate (222) and a second positioning plate (223) at both ends. A CCD camera (261) is provided on the opposite side of the first positioning plate (222) and the second positioning plate (223). A first circular mounting rod (23) and a second circular mounting rod (26) are respectively provided on the opposite side wall of the first positioning plate (222) and the second positioning plate (223). A second ball bearing (354) is provided below the first circular mounting rod (23). The opposite ends of the first circular mounting rod (23) and the second circular mounting rod (26) are respectively set on the opposite sidewalls of the first positioning plate (222) and the second positioning plate (223). The first circular mounting rod (23) and the second circular mounting rod (26) are respectively provided with a first rectangular slot (231) and a second rectangular slot (232). The inner cavity of the first circular mounting rod (23) and the second circular mounting rod (26) respectively penetrates the first positioning plate (222) and the second positioning plate (223). The inner cavity of the first circular mounting rod (23) and the second circular mounting rod (26) is provided with a pull rod (343). The two ends of the two pull rods (343) are respectively provided with a first circular moving plate (342) and a first circular sliding plate (344). Each of the first circular moving plate (342) and the first circular sliding plate (344) is respectively fitted and slidably disposed in the inner cavity of the first circular mounting rod (23) and the second circular mounting rod (26). A connecting rod (35) is provided on one side wall of the first circular movable plate (342) located in the inner cavity of the first circular mounting rod (23). A second circular movable plate (351) is provided at the end of the connecting rod (35) away from the first circular movable plate (342). A second swing arm (352) is movably provided on the second circular movable plate (351). The second swing arm (352) movably passes through the second rectangular slot (232), and a second universal joint (353) is movably provided at the end. The two ends of the placement block (13) are respectively provided with a first installation pipe (131) and a second installation pipe (132). The inner cavities of the first installation pipe (131) and the second installation pipe (132) are respectively provided with a drive component and a moving component. The drive component is used to drive the first positioning plate (222) and the second positioning plate (223) and the moving component to rotate. The moving component is used to drive the first ball (334) and the second ball (354) to move horizontally back and forth.

2. The three-way catalytic converter sealing gasket testing device according to claim 1, characterized in that, The workbench (1) is also provided with a mounting housing (12) on one side wall. There are four symmetrical slide rails (41) on the placement block (13). A floating plate (4) is provided between each pair of slide rails (41). Support legs (121) are provided around the bottom of the mounting housing (12). A top plate (112) is provided above the workbench (1). Support frames (111) are provided around the bottom of the top plate (112). The four support frames (111) are symmetrical between each other. The first positioning plate (222) and the second positioning plate (223) are symmetrical to each other.

3. The three-way catalytic converter sealing gasket testing device according to claim 1, characterized in that, The drive assembly includes an electric motor (2), which is disposed in the inner cavity of a first mounting pipe (131). The end of the first mounting pipe (131) away from the second mounting pipe (132) is disposed on a fixed plate (11). A support base (212) is disposed at the bottom of the electric motor (2). A rotating rod (21) is disposed at the output end of the electric motor (2). A first circular mounting plate (211) is disposed at the end of the rotating rod (21) away from the electric motor (2). A circular track (213) is disposed at the end of the first circular mounting plate (211) away from the electric motor (2). A first hydraulic cylinder (22) is disposed in the middle of the side wall of the first circular mounting plate (211) away from the electric motor (2). A first circular cylinder (221) is disposed at the output end of the first hydraulic cylinder (22). The first circular cylinder (221) is disposed on a first positioning plate (222). A CCD camera (261) is disposed in the inner cavity of the first circular cylinder (221).

4. The three-way catalytic converter sealing gasket testing device according to claim 1, characterized in that, The inner cavity of the second installation pipe (132) is provided with a second circular mounting plate (27), the bottom of the second circular mounting plate (27) is provided with a support base (212), the end of the second circular mounting plate (27) near the drive assembly is provided with a third hydraulic cylinder (271), the end of the third hydraulic cylinder (271) away from the second circular mounting plate (27) is provided with a second circular cylinder (224), the second circular cylinder (224) is provided on the second positioning plate (223), and the inner cavity of the second circular cylinder (224) is provided with a CCD camera (261).

5. The three-way catalytic converter sealing gasket testing device according to claim 1, characterized in that, The moving component includes a plurality of second hydraulic cylinders (3), each of the second hydraulic cylinders (3) being symmetrical to each other, each of the second hydraulic cylinders (3) being slidably arranged on a circular track (213) in pairs, and the output end of each of the second hydraulic cylinders (3) being movably inserted through the first positioning plate (222) and the second positioning plate (223).

6. The three-way catalytic converter sealing gasket testing device according to claim 5, characterized in that, Two symmetrical heating components (28) are respectively provided at opposite ends of the first positioning plate (222) and the second positioning plate (223). Two symmetrical circular fixing cylinders (31) are provided on opposite side walls of the first positioning plate (222) and the second positioning plate (223). A circular plug rod (311) is provided in the inner cavity of each circular fixing cylinder (31). The opposite ends of each circular plug rod (311) are connected to the output end of the second hydraulic cylinder (3). A circular mounting plate (32) is provided at the opposite ends of each circular plug rod (311).

7. The three-way catalytic converter sealing gasket testing device according to claim 1, characterized in that, A rectangular mounting cylinder (33) is provided above each of the two placement plates (321). The two rectangular mounting cylinders (33) are symmetrical to each other. A connecting plate (335) is fixedly provided inside the cavity of each of the two rectangular mounting cylinders (33). A movable plate (331) is provided above the connecting plate (335) of each of the two rectangular mounting cylinders (33). A return spring (336) is provided at the end of each of the two movable plates (331) opposite to the connecting plate (335). A rectangular plug rod (332) is provided above each of the two movable plates (331). The two rectangular plug rods (332) are movably inserted through the rectangular mounting cylinder (33). A first universal joint (333) is provided above each of the two rectangular plug rods (332), and a drive rod (337) is provided at the bottom of each of the two movable plates (331). The two drive rods (337) are respectively movably inserted through the connecting plate (335), the rectangular mounting cylinder (33), and the placement plate (321). A circular placement plate (34) is provided at the bottom of each of the two drive rods (337). A first swing arm (341) is movably provided at the bottom of each of the two circular placement plates (34). The first swing arm (341) movably inserts through the first rectangular slot (231), and its port is movably disposed on the first circular movable plate (342).

8. The three-way catalytic converter sealing gasket testing device according to claim 3, characterized in that, The inner cavity of the first cylindrical tube (221) is provided with a placement slot (225), and a detection plate (42) is slidably arranged on the placement slot (225). Two sliding rods (421) are provided on one side wall of the detection plate (42). The two sliding rods (421) are symmetrical to each other. The two sliding rods (421) pass through the circular slots opened at the support frame (111). The two sliding rods (421) are provided with mounting brackets (423) at one end away from the detection plate (42). The two mounting brackets (423) are symmetrical to each other. Movable rods (422) are provided on the two mounting brackets (423). The two movable rods (422) are symmetrical to each other. Fixed brackets (424) are movably arranged at the other end of the two movable rods (422). The two fixed brackets (424) are symmetrical to each other. The two fixed brackets (424) are respectively arranged on the floats (4). The two floats (4) are symmetrical to each other.

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