Detection equipment for automobile silencer production

Abstract

The utility model relates to the technical field of automobile silencers, in particular to detection equipment for automobile silencer production, which comprises a detection table, a coaming, a cover plate and a compression resistance detector, the coaming is fixedly mounted at the top of the detection table, the cover plate is fixedly mounted at the top of the coaming, the compression resistance detector is mounted on the cover plate in a penetrating manner, and the detection equipment further comprises an adjusting and positioning device. The adjusting and positioning device comprises a placement table, a positioning plate, a fixed plate, a movable plate and a movable assembly, the placement table is fixedly connected with the detection table and located at the top of the detection table, the positioning plate is fixedly connected with the placement table and located at one end of the top of the placement table, and the fixed plate is fixedly connected with the placement table and installed at the top of the placement table; the movable plate is connected with the fixed plate through the movable assembly and located on one side of the fixed plate, the movable assembly is connected with the movable plate and drives the movable plate to move horizontally, and the effects that silencers of different models and sizes can be adjusted, clamped and positioned, the positioning stability of the silencers is ensured, and the applicability of the detection equipment is improved are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile mufflers, in particular to a detection device for automobile muffler production. Background Art

[0002] The main function of automobile muffler is to silence exhaust gas. Automobile muffler is mainly installed at the rear of the car, so it is often hit by stones or collided with foreign objects. Therefore, the strength of automobile muffler shell is very important. The existing automobile muffler needs to be tested for strength after production. Existing automobile mufflers lack special strength testing equipment. Generally, a certain weight of a certain weight is freely dropped from a certain height, so that the weight hits the automobile muffler, or other product strength testing equipment is used for testing.

[0003] The prior art CN219915207U discloses a muffler pressure resistance testing device, which relates to the technical field of automobile mufflers, and includes a surrounding plate, which is annular and fixedly connected to a testing platform; a positioning plate, the upper surface of which has a positioning groove, the positioning groove matches the shape and size of the lower end of the muffler shell, and the positioning plate is placed on the testing platform; a lifting plate, which can be lifted and lowered on the testing platform; a pressure sensor, which is fixedly connected to the lower surface of the lifting plate; a connecting rod, which is fixedly connected to the stress surface of the pressure sensor; a pressure plate, which is fixedly connected to the lower end of the connecting rod; a positioning ring, which is fixedly sleeved on the connecting rod; a spring, which is sleeved on the connecting rod; a cover plate, which has a sliding hole passing through the cover plate, the connecting rod passes through the sliding hole, one end of the spring is fixedly connected to the positioning ring, and the other end is fixedly connected to the cover plate. It has the advantages of being easy to use and being able to conveniently perform pressure resistance testing on the muffler shell.

[0004] However, in the above technology, the automobile muffler is only placed through the positioning groove on the positioning plate, but different automobiles use different types of automobile mufflers, and the fixed-size fixing groove cannot fully adapt to different types of mufflers, resulting in low applicability of the detection equipment. Utility Model Content

[0005] The utility model aims to provide a testing device for automobile muffler production, which solves the problem that a fixed groove of a fixed size cannot fully adapt to mufflers of different models, resulting in low applicability of the testing device.

[0006] To achieve the above-mentioned purpose, the utility model provides a testing device for automobile muffler production, comprising a testing platform, a panel, a cover plate and a pressure detector, wherein the panel is fixedly mounted on the top of the testing platform, the cover plate is fixedly mounted on the top of the panel, and the pressure detector is installed through the cover plate.

[0007] Also includes an adjustment positioning device;

[0008] The adjusting and positioning device includes a placing table, a positioning plate, a fixed plate, a movable plate and a movable assembly. The placing table is fixedly connected to the detection table and is located on the top of the detection table. The positioning plate is fixedly connected to the placing table and is located at one end of the top of the placing table. The fixed plate is fixedly connected to the placing table and is installed on the top of the placing table. The movable plate is connected to the fixed plate through the movable assembly and is located on one side of the fixed plate. The movable assembly is connected to the movable plate and drives the movable plate to move horizontally.

[0009] Wherein, the moving assembly includes a threaded rod, a bearing and a rotating handle; the threaded rod is rotatably connected to the moving plate through the bearing, and is located on a side of the moving plate close to the fixed plate, and is threadedly connected to the fixed plate; one end of the bearing is fixedly connected to the moving plate, the inner side wall of the bearing is fixedly connected to the threaded rod, and the bearing is sleeved on the threaded rod; the rotating handle is fixedly connected to the threaded rod, and is located at an end of the threaded rod away from the moving plate.

[0010] Among them, the moving assembly also includes a limiting rod, which is fixedly connected to the moving plate and is located on the side of the moving plate close to the threaded rod and passes through the fixed plate; the fixed plate has a limiting hole, which passes through the fixed plate and cooperates with the limiting rod.

[0011] Wherein, the fixing plate further has a threaded mounting hole, which is arranged on the fixing plate, passes through the fixing plate, and cooperates with the threaded rod.

[0012] Wherein, the adjustment and positioning device also includes a buffer pad, which is fixedly connected to the movable plate and is located on one side of the movable plate.

[0013] The utility model discloses a testing device for automobile muffler production. When testing an automobile muffler with a tester, the automobile muffler is first inserted into the enclosure and placed on the placement table, with the inserted end pressed against the front side of the positioning plate. Then, the two moving plates are driven by the moving components on the two fixed plates to approach the left and right sides of the automobile muffler respectively, and the automobile muffler is clamped and positioned on the placement table. Then, the automobile muffler is pressurized by the pressure resistance detector to perform a pressure resistance test. Thus, automobile mufflers of different models and sizes can be adjusted, clamped and positioned by the adjustment and positioning device, thereby ensuring that the automobile muffler is firmly positioned and the applicability of the testing device is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0015] Figure 1 It is a cross-sectional view of a testing device for automobile muffler production according to the first embodiment of the utility model.

[0016] Figure 2 It is a structural schematic diagram of the adjusting and positioning device of the first embodiment of the utility model.

[0017] Figure 3 It is a schematic diagram of the overall structure of the adjusting and positioning device of the second embodiment of the utility model.

[0018] In the figure: 101-testing table, 102-enclosing plate, 103-cover plate, 104-compression detector, 105-placing table, 106-positioning plate, 107-fixing plate, 108-moving plate, 109-threaded rod, 110-bearing, 111-turn handle, 112-limiting rod, 113-limiting hole, 114-threaded mounting hole, 215-buffer pad. DETAILED DESCRIPTION

[0019] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0020] First embodiment:

[0021] See also Figure 1 and Figure 2 ,in Figure 1 This is a cross-sectional view of a first embodiment of the present utility model of a testing device for automobile muffler production. Figure 2 It is a structural schematic diagram of the adjusting and positioning device of the first embodiment of the utility model.

[0022] The utility model is a kind of testing equipment for automobile muffler production: including a testing platform 101, a panel 102, a cover plate 103, a compression tester 104 and an adjusting and positioning device, the adjusting and positioning device includes a placing platform 105, a positioning plate 106, a fixing plate 107, a moving plate 108 and a moving assembly, the moving assembly includes a threaded rod 109, a bearing 110, a turning handle 111 and a limiting rod 112, the fixing plate 107 has a limiting hole 113, and the fixing plate 107 also has a threaded mounting hole 114. The above-mentioned scheme solves the problem that the fixed size of the fixing groove cannot fully adapt to different types of mufflers, resulting in low applicability of the testing equipment; it can be understood that the above-mentioned scheme can adjust and position different types of automobile mufflers, ensure the stable positioning of the automobile muffler, and improve the applicability of the testing equipment.

[0023] In this embodiment, the detection platform 101 provides installation conditions for the enclosure 102 and the adjustment and positioning device. The enclosure 102 is U-shaped and fixedly connected to the top of the detection platform 101. A transparent plate is provided on the front side of the enclosure 102. The enclosure 102 and the transparent plate are used for enclosure protection to prevent the muffler fragments from being squeezed and damaged and ejected. The cover plate 103 is fixedly installed on the top of the enclosure 102. A sliding hole is provided in the middle position of the cover plate 103 for the connection of the pressure detector 104, which passes through the cover plate 103 and extends into the groove of the enclosure 102. The pressure detector 104 includes a fixed installation The L-shaped crossbeam plate installed on the top of the cover plate 103 has a lifting cylinder fixedly installed on its top, and the bottom of the output end of the lifting cylinder is fixedly connected to the lifting plate, and the lower end of the lifting plate is fixed with a pressure sensor, and a connecting rod is installed at the bottom of the pressure sensor, and a positioning ring is fixedly sleeved on the connecting rod, and a spring is fixedly connected to the lower end of the positioning ring, and a pressure plate is fixedly installed on the top of the connecting rod. The pressure plate is driven by the pressure resistance detector 104 to approach the top of the automobile muffler positioned by the adjusting and positioning device to apply pressure, and the pressure sensor can sense the reaction force to control the elevator to drive the lifting plate to descend, so as to realize the pressure resistance detection of the automobile muffler.

[0024] Among them, the placement table 105 is fixedly connected to the detection table 101 and is located on the top of the detection table 101, the positioning plate 106 is fixedly connected to the placement table 105 and is located at one end of the top of the placement table 105, the fixed plate 107 is fixedly connected to the placement table 105 and is installed on the top of the placement table 105, the movable plate 108 is connected to the fixed plate 107 through the movable component and is located on one side of the fixed plate 107, and the movable component is connected to the movable plate 108 and drives the movable plate 108 to move horizontally. The placement table 105 is rectangular and fixedly installed in the middle position of the top of the detection table 101. The placement table 105 provides installation conditions for the positioning plate 106 and the fixing plate 107. The positioning plate 106 is vertically connected to the placement table 105 and fixedly installed at the top rear end of the placement table 105 to limit the placement position of one end of the automobile muffler. There are two fixing plates 107, which are respectively fixedly installed on the left and right sides of the top of the placement table 105. Two movable plates 108 are arranged between the two fixing plates 107. The two movable plates 108 are respectively installed between the two fixing plates 107 through the movable components. The movable plates 108 are used to be close to the corresponding two sides of the automobile muffler to clamp and position the automobile muffler. The two fixing plates 107 are both installed with the movable components, and the movable plates 108 are moved by the movable components. The plate 108 is movably connected to the fixed plate 107, and the two movable plates 108 are driven by the movable assembly to move between the two fixed plates 107; therefore, when the automobile muffler with detection is detected by the automobile muffler production detection equipment, the automobile muffler is first extended into the enclosure 102, placed on the placement table 105, and the extended end is pressed against the front side of the positioning plate 106, and then the two movable plates 108 are driven by the movable assembly on the two fixed plates 107 to approach the left and right sides of the automobile muffler respectively, and the automobile muffler is clamped and positioned on the placement table 105, and then the automobile muffler is pressurized by the pressure resistance detector 104 to perform a pressure resistance test, so that the adjustment and positioning device can be adjusted according to automobile mufflers of different models and sizes for clamping and positioning, ensuring that the automobile muffler is positioned firmly and improving the applicability of the detection equipment.

[0025] Secondly, the threaded rod 109 is rotatably connected to the movable plate 108 through the bearing 110, and is located on the side of the movable plate 108 close to the fixed plate 107, and is threadedly connected to the fixed plate 107; one end of the bearing 110 is fixedly connected to the movable plate 108, and the inner side wall of the bearing 110 is fixedly connected to the threaded rod 109, and the bearing 110 is sleeved on the threaded rod 109; the turning handle 111 is fixedly connected to the threaded rod 109, and is located at the end of the threaded rod 109 away from the movable plate 108; the limiting rod 112 is fixedly connected to the movable plate 108, and is located on the side of the movable plate 108 close to the threaded rod 109, and passes through the fixed plate 107; the limiting hole 113 passes through the fixed plate 107, and cooperates with the limiting rod 112; the threaded mounting hole 114 is arranged on the fixed plate 107, passes through the fixed plate 107, and cooperates with the threaded rod 109. There are two threaded rods 109, which symmetrically penetrate the threaded mounting holes 114 on the two fixed plates 107. The outer threads of the threaded rods 109 match the inner threads of the threaded mounting holes 114, and the threaded connection between the threaded rods 109 and the fixed plates 107 is achieved through the threaded mounting holes 114. The ends of the two threaded rods 109 located between the two fixed plates 107 are respectively fixedly sleeved with the bearings 110, and the opposite sides of the two bearings 110 are fixedly connected to the movable plate 108 to achieve the connection between the movable plate 108 and the movable component. The ends of the two threaded rods 109 that are away from each other are fixedly installed with the turning handle 111, and the turning handle 111 is used to conveniently rotate the threaded rods 109 to rotate the threads left and right to extend and retract, thereby adjusting the two movable plates. 108, the limiting rods 112 are fixedly installed on both sides of the movable plate 108 connected to the threaded rod 109, the limiting rods 112 are rectangular, and the corresponding fixed plate 107 is provided with the limiting hole 113 whose shape matches the cross section of the limiting rod 112, the limiting rod 112 passes through the corresponding limiting hole 113, and is used to limit the rotation of the movable plate 108, so the turning handle 111 is manually rotated, and the rotation of the turning handle 111 drives the threaded rod 109 to rotate in the threaded mounting hole 114 of the fixed plate 107, and drives the movable plate 108 connected by the bearing 110 to approach the corresponding two sides of the automobile muffler, so that the movable component can drive the two movable plates 108 to move close to the two sides of the automobile muffler to position the automobile muffler.

[0026] When using the utility model to test the automobile muffler with detection, firstly, the automobile muffler is inserted into the enclosure 102 and placed on the placement table 105, and the inserted end is pressed against the front side of the positioning plate 106, and then the two movable plates 108 are driven by the movable components on the two fixed plates 107 to approach the left and right sides of the automobile muffler respectively, and the automobile muffler is clamped and positioned on the placement table 105, and then the automobile muffler is pressurized by the pressure resistance detector 104 to perform a pressure resistance test, so that the adjustment and positioning device can be used to adjust the clamping and positioning according to automobile mufflers of different models and sizes, ensuring that the automobile muffler is firmly positioned and improving the applicability of the detection equipment.

[0027] Second embodiment:

[0028] See also Figure 3 , Figure 3 FIG. 2 is a schematic diagram of the overall structure of the adjusting and positioning device of the second embodiment of the utility model. Based on the first embodiment, the adjusting and positioning device of the utility model further includes a buffer pad 215 .

[0029] In this embodiment, the buffer pad 215 is fixedly connected to the moving plate 108 and is located on one side of the moving plate 108. There are two buffer pads 215, which are fixedly mounted on the two moving plates 108 and located on opposite sides of the two moving plates 108. The buffer pad 215 is made of rubber material and has a certain elasticity. The buffer pad 215 first contacts the muffler and increases the contact friction with the surface of the muffler, so that the clamping and positioning of the muffler is more stable.

[0030] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A testing device for automobile muffler production, comprising a testing platform, a panel, a cover plate and a pressure detector, wherein the panel is fixedly mounted on the top of the testing platform, the cover plate is fixedly mounted on the top of the panel, and the pressure detector is installed through the cover plate, characterized in that: Also includes an adjustment positioning device; The adjusting and positioning device includes a placing table, a positioning plate, a fixed plate, a movable plate and a movable assembly. The placing table is fixedly connected to the detection table and is located on the top of the detection table. The positioning plate is fixedly connected to the placing table and is located at one end of the top of the placing table. The fixed plate is fixedly connected to the placing table and is installed on the top of the placing table. The movable plate is connected to the fixed plate through the movable assembly and is located on one side of the fixed plate. The movable assembly is connected to the movable plate and drives the movable plate to move horizontally.

2. The automobile muffler production testing equipment according to claim 1, characterized in that: The moving assembly includes a threaded rod, a bearing and a rotating handle. The threaded rod is rotatably connected to the moving plate through the bearing, is located on a side of the moving plate close to the fixed plate, and is threadedly connected to the fixed plate; one end of the bearing is fixedly connected to the moving plate, the inner side wall of the bearing is fixedly connected to the threaded rod, and the bearing is sleeved on the threaded rod; the rotating handle is fixedly connected to the threaded rod, and is located at an end of the threaded rod away from the moving plate.

3. The automobile muffler production testing equipment according to claim 2, characterized in that: The moving assembly also includes a limiting rod, which is fixedly connected to the moving plate and is located on a side of the moving plate close to the threaded rod and passes through the fixed plate; the fixed plate has a limiting hole, which passes through the fixed plate and cooperates with the limiting rod.

4. The automobile muffler production testing equipment according to claim 2, characterized in that: The fixing plate also has a threaded mounting hole, which is arranged on the fixing plate, passes through the fixing plate, and cooperates with the threaded rod.

5. The automobile muffler production testing equipment according to claim 1, characterized in that: The adjusting and positioning device also includes a buffer pad, which is fixedly connected to the movable plate and is located on one side of the movable plate.

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