Engine support air tightness detection device

By using the identification, lifting, and squeezing components of the engine-supported airtightness testing device, the problem of unstable contact caused by impact and vibration during the testing process is solved, thus achieving efficient and accurate airtightness testing.

CN223524888UActive Publication Date: 2025-11-07JIANXIN ZHAO TECH CO LTD
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Patent Information

Application Number
CN202423104439.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-11-07
Estimated Expiration
2034-12-16

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  • Figure CN223524888U_ABST
    Figure CN223524888U_ABST
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Abstract

The utility model discloses an engine support airtightness detection device, and relates to the technical field of airtightness detection. The device comprises a workbench, a cavity is formed in the workbench, a lifting plate is slidably arranged in the cavity, a feeding plate is arranged on the lifting plate, a discharging plate is slidably connected to the interior of the feeding plate, a fixing frame is fixedly connected to the interior of the cavity, and a feeding assembly is installed in the fixing frame. The device is provided with the abutting parts and the extrusion assembly, a cylinder is started to operate to push a discharging plate to slide in a feeding plate, so that the detection end of a workpiece is tightly attached to an air tightness detection port, and then an electric telescopic rod II is started to operate to drive the bottom ends of two abutting rods to be attached to and extrude the top surface of the workpiece; through mutual cooperation of the air cylinder and the abutting rod, the workpiece can be kept stable in the detection process, the situation of displacement of the workpiece is reduced, and the detection efficiency and accuracy are greatly improved.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of air tightness detection, in particular to an engine support air tightness detection device. BACKGROUND

[0002] The engine support air tightness detection device is an important part in the field of automobile part testing, and is mainly used for detecting the sealing performance of an engine support part. The engine support part plays a key role in damping and supporting in an automobile, and the quality of the engine support part is directly related to the performance and safety of the automobile.

[0003] In the existing air tightness detection technology, the engine support part to be detected is usually moved to a special air tightness detection port, and then the workpiece is tightly combined with the air tightness detection port in a butt joint manner, so that the sealing performance is tested.

[0004] However, in the actual butt joint detection process, the workpiece is easily displaced in the air tightness detection process due to the impact and vibration caused by air flow and equipment operation, so that the contact between the workpiece and the detection port is unstable, and the workpiece may even be completely separated from the detection port. This not only affects the accuracy of the air tightness detection, but also may cause misjudgment of the detection result, thereby adversely affecting the quality control of the engine support part. Therefore, the application provides an engine support air tightness detection device. CONTENT OF THE INVENTION

[0005] The application aims to solve the problem that the workpiece is displaced in the air tightness detection process due to the impact and vibration, so that the contact between the workpiece and the detection port is unstable.

[0006] In order to achieve the above-mentioned purpose, the application specifically adopts the following technical scheme:

[0007] The utility model provides an engine support airtightness detection device, including workbench, the inside of workbench is opened with cavity, the inside slide of cavity is provided with lifting plate, be provided with feeding plate on the lifting plate, the inside slide of feeding plate is connected with the material discharging plate, the inside fixed connection of cavity has the fixed frame, the inside fixed connection of fixed frame has the feeding assembly, the inside top surface of workbench is fixedly connected with two conveyors, the inside top surface of workbench is fixedly connected with support frame, the one side of support frame is installed airtight detection mouth, the inside top surface of workbench is fixedly connected with a plurality of support rods, the top of a plurality of support rods all is fixedly connected with fixed plate, one side of two conveyors is fixedly connected with two support blocks, and the bottom of two support blocks all is fixedly connected with electric telescopic rod no.

[0008] Through the above technical scheme, the engine support workpiece to be detected is placed in the inside of the material discharging plate, at this time, the feeding assembly pushes the feeding plate to drive the material discharging plate and the workpiece to move to the two conveyors, at this time, the conveyor moves the workpiece to the side of the airtight detection mouth, then according to the identification of the identification piece, if the workpiece position is found to be low, the lifting assembly can be started to run to lift the feeding plate and the material discharging plate, so as to adjust the detection position of the workpiece, when the adjustment is completed, the abutting piece can be started to push the material discharging plate to slide in the feeding plate, so that the detection end of the workpiece is tightly fitted with the airtight detection mouth, and then the extrusion assembly is started to run to fit and extrude the upper part of the workpiece, through the cooperation of the abutting piece and the extrusion assembly, the workpiece can be kept stable during detection, the displacement of the workpiece is reduced, and the detection efficiency and accuracy are greatly improved.

[0009] Further, the feeding assembly comprises a lead screw rotatably connected in the fixed frame, a motor fixedly connected in the fixed frame, the output end of the motor fixedly connected with one end of the lead screw, one end of the lifting plate threadedly connected with the lead screw, a guide rod fixedly connected in the fixed frame, and one end of the lifting plate slidably connected with the guide rod.

[0010] Through the above technical scheme, the motor is started to run to drive the lead screw to rotate, and the lifting plate gradually moves to the position parallel to the top surface of the conveyor under the guidance of the guide rod.

[0011] Further, the top of the lifting plate is slidably connected with a sliding block, the top of the sliding block is fixedly connected with a pressing block, one side of the lifting plate is fixedly connected with a reciprocating machine, and the output end of the reciprocating machine is fixedly connected with one end of the sliding block.

[0012] By adopting the above technical scheme, the reciprocating machine is started to drive the sliding block to move on the lifting plate, so as to push the feeding plate to move together with the feeding plate and the workpiece to the two conveying belts through the pressing block.

[0013] Further, the recognition member comprises a fixed block fixedly connected to one side of one of the conveying belts, and an infrared probe fixedly connected to the top of the fixed block.

[0014] By adopting the above technical scheme, the infrared probe can identify the situation and position of the workpiece.

[0015] Further, the abutting member comprises a connecting block fixedly connected to the top surface inside the workbench, and a pneumatic cylinder fixedly connected to the inside of the connecting block, and the output end of the pneumatic cylinder is in the same horizontal line as the feeding plate.

[0016] By adopting the above technical scheme, the pneumatic cylinder is started to operate to push the feeding plate to slide inside the feeding plate, so that the detection end of the workpiece is tightly attached to the airtight detection port, reducing the displacement of the workpiece.

[0017] Further, the pressing assembly comprises a second electric telescopic rod fixedly connected to the top of the fixed plate, an connecting plate fixedly connected to the output end of the second electric telescopic rod, two guide rods slidably connected through the fixed plate, the bottom ends of the two guide rods being fixedly connected to the top surface of the connecting plate, and two abutting rods fixedly connected through the connecting plate.

[0018] By adopting the above technical scheme, the second electric telescopic rod is started to operate to drive the bottom ends of the two abutting rods to tightly abut and press the top surface of the workpiece, so that the workpiece can be kept stable during detection.

[0019] Further, the jacking assembly comprises a support plate fixedly connected to the opposite sides of the two conveying belts, a fixed column fixedly connected to the top of each corner of the support plate, a sliding column slidably connected to the inside of each fixed column, and a jacking plate fixedly connected to the top of each sliding column.

[0020] By adopting the above technical scheme, the jacking plate can move up and down under the guidance of the sliding column.

[0021] Further, the top of the supporting plate is fixedly connected with a sliding rail, the inside of the sliding rail is slidably connected with a moving block, the top of the supporting plate is fixedly connected with a third electric telescopic rod, the output end of the third electric telescopic rod is fixedly connected with one end of the moving block, the top surface of the moving block is provided with two inclined surfaces, the bottom of the jacking plate is fixedly connected with a U-shaped block, the bottom of the two ends of the U-shaped block is rotatably connected with a roller, and the two rollers are in contact with the two inclined surfaces.

[0022] By adopting the above technical scheme, when the moving block moves forward, the roller gradually moves from the bottom end to the top end of the inclined surface, and at this time, the jacking plate is gradually lifted according to the guidance of the inclined surface, so as to adjust the detection position of the workpiece.

[0023] In summary, the present application has at least one of the following beneficial effects:

[0024] The present application is provided with a resisting piece and an extrusion assembly. The cylinder is started to operate to push the discharging plate to slide in the feeding plate, so that the detection end of the workpiece is tightly attached to the airtight detection port. Then the second electric telescopic rod is started to operate to drive the bottom end of the two resisting rods to attach and extrude the top surface of the workpiece. Through the cooperation of the cylinder and the resisting rod, the workpiece can be kept stable during detection, the displacement of the workpiece is reduced, and the detection efficiency and accuracy are greatly improved.

[0025] The present application is provided with a recognizing piece and a jacking assembly. According to the recognition of the infrared probe, it is judged whether the detection position of the workpiece is at the same horizontal line as the airtight detection port. If it is found that the position of the workpiece is low, the jacking assembly is started to operate to jack up the feeding plate and the discharging plate, so as to adjust the detection position of the workpiece. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a perspective structural schematic view of the device main body in the present application.

[0027] Figure 2 It is a perspective structural schematic view of the feeding assembly in the present application.

[0028] Figure 3 It is an internal structural schematic view of the device main body in the present application.

[0029] Figure 4 It is a perspective structural schematic view of the extrusion assembly in the present application.

[0030] Figure 5 It is a perspective structural schematic view of the jacking assembly in the present application.

[0031] BRIEF DESCRIPTION OF DRAWINGS

[0032] 1, workbench; 2, cavity; 3, lifting plate; 4, feeding plate; 5, discharging plate; 6, fixing frame; 7, conveying belt; 8, support frame; 9, air tightness detection port; 10, support rod; 11, fixed plate; 12, screw rod; 13, motor; 14, guide rod; 15, sliding block; 16, extrusion block; 17, reciprocating machine; 18, fixed block; 19, infrared probe; 20, support block; 21, electric telescopic rod one; 22, limiting column; 23, connecting block; 24, air cylinder; 25, electric telescopic rod two; 26, connecting plate; 27, guide rod; 28, abutting rod; 29, support plate; 30, fixed column; 31, sliding column; 32, jacking plate; 33, sliding rail; 34, moving block; 35, electric telescopic rod three; 36, U-shaped block; 37, roller. DETAILED DESCRIPTION

[0033] The application will be further described in detail below with reference to the accompanying drawings. Figure 1 The application will be further described in detail below with reference to the accompanying drawings.

[0034] The application discloses an engine support air tightness detection device.

[0035] Reference Figure 1 , Figure 2 and Figure 3 , the engine support air tightness detection device comprises a workbench 1, a cavity 2 is formed in the workbench 1, a lifting plate 3 is slidably arranged in the cavity 2, a feeding plate 4 is arranged on the lifting plate 3, a discharging plate 5 is slidably connected in the feeding plate 4, a fixing frame 6 is fixedly connected in the cavity 2, a feeding assembly is mounted in the fixing frame 6, two conveying belts 7 are symmetrically fixedly connected to the top surface in the workbench 1, a support frame 8 is fixedly connected to the top surface in the workbench 1, an air tightness detection port 9 is mounted on one side of the support frame 8, a plurality of support rods 10 are symmetrically fixedly connected to the top surface in the workbench 1, the top ends of the plurality of support rods 10 are fixedly connected with fixed plates 11, an identification piece is mounted on one side of one of the two conveying belts 7, two support blocks 20 are fixedly connected to the opposite surfaces of the two conveying belts 7, electric telescopic rods one 21 are fixedly connected to the bottoms of the two support blocks 20, limiting columns 22 are fixedly connected to the output ends of the two electric telescopic rods one 21, the two limiting columns 22 are slidably connected in the support blocks 20, an abutting piece is mounted on the top surface in the workbench 1, an extrusion assembly is mounted on the fixed plate 11, a jacking assembly is mounted on the opposite surfaces of the two conveying belts 7, the identification piece comprises a fixed block 18 fixedly connected to one side of one of the two conveying belts 7, and an infrared probe 19 is fixedly connected to the top of the fixed block 18.

[0036] In use, first start the feeding assembly to move the lifting plate 3 to be parallel to the conveying belt 7, then place the engine support workpiece to be detected inside the feeding plate 5, at this time the feeding plate 4 is pushed by the feeding assembly to drive the feeding plate 5 and the workpiece to move to the two conveying belts 7, and the workpiece is continuously moved forward with the operation of the conveying belt 7, and when it moves to the side of the infrared probe 19, the electric telescopic rod 21 is started to push the limiting column 22 out of the support block 20 to intercept the feeding plate 4, at this time the situation and position of the workpiece are identified by the infrared probe 19, and when the identification is completed, the limiting column 22 is withdrawn to enable the feeding plate 4 to continue to move, and when the workpiece moves to the side of the air tightness detection port 9, the limiting column 22 is pushed out again to intercept the position of the feeding plate 4, and then according to the identification of the infrared probe 19, it is judged whether the detection position of the workpiece is on the same horizontal line as the air tightness detection port 9, if it is found that the position of the workpiece is lower, the jacking assembly is started to operate to jack up the feeding plate 4 and the feeding plate 5, so as to adjust the detection position of the workpiece, after adjustment, the abutting member is started to push the feeding plate 5 to slide inside the feeding plate 4, so that the detection end of the workpiece is tightly fitted with the air tightness detection port 9, and then the extrusion assembly is started to operate to tightly extrude the upper part of the workpiece, through the cooperation of the abutting member and the extrusion assembly, the workpiece can be kept stable during detection, reducing the displacement of the workpiece, greatly improving the detection efficiency and accuracy, and finally when the detection is completed, the extrusion of the workpiece is released and the feeding plate 4 is lowered to the conveying belt 7, and then the limiting column 22 is withdrawn to enable the feeding plate 4 to move the workpiece after detection.

[0037] Referring to Figure 1 and Figure 2 , the feeding assembly comprises a lead screw 12 rotatably connected in the fixed frame 6, the fixed frame 6 is fixedly connected with a motor 13, the output end of the motor 13 is fixedly connected with one end of the lead screw 12, one end of the lifting plate 3 is threadedly connected with the lead screw 12, the fixed frame 6 is fixedly connected with a guide rod 14, one end of the lifting plate 3 is slidably connected with the guide rod 14, the top of the lifting plate 3 is slidably connected with a sliding block 15, the top of the sliding block 15 is fixedly connected with an extrusion block 16, one side of the lifting plate 3 is fixedly connected with a reciprocating machine 17, and the output end of the reciprocating machine 17 is fixedly connected with one end of the sliding block 15.

[0038] In use, first start the motor 13 to operate to drive the lead screw 12 to rotate, at this time the lifting plate 3 is gradually moved to be parallel to the top surface of the conveying belt 7 through the guidance of the guide rod 14, then place the engine support workpiece to be detected inside the feeding plate 5, at this time the sliding block 15 is moved on the lifting plate 3 by starting the reciprocating machine 17, so as to push the feeding plate 4 by the extrusion block 16 to drive the feeding plate 5 and the workpiece to move to the two conveying belts 7.

[0039] Referring to Figure 3 and Figure 4 The abutting component comprises a connecting block 23 fixedly connected to the inner top surface of the workbench 1, the inner part of the connecting block 23 is fixedly connected with a gas cylinder 24, the output end of the gas cylinder 24 is in the same horizontal line with the discharging plate 5, the extruding assembly comprises an electric telescopic rod 2 fixedly connected to the top of the fixed plate 11, the output end of the electric telescopic rod 2 is fixedly connected with a connecting plate 26, two guide rods 27 are slidingly connected through the fixed plate 11, the bottom ends of the two guide rods 27 are fixedly connected with the top surface of the connecting plate 26, and two abutting rods 28 are fixedly connected through the connecting plate 26.

[0040] In use, first, the gas cylinder 24 is started to operate to push the discharging plate 5 to slide in the feeding plate 4, so that the detection end of the workpiece is tightly attached to the airtight detection port 9, then the electric telescopic rod 2 is started to operate to push the connecting plate 26 to gradually descend through the guidance of the guide rods 27, so as to drive the bottom ends of the two abutting rods 28 to tightly attach and extrude the top surface of the workpiece, through the cooperation of the gas cylinder 24 and the abutting rods 28, the workpiece can be kept stable during the detection process, the displacement of the workpiece is reduced, and the detection efficiency and accuracy are greatly improved.

[0041] Referring to Figure 3 and Figure 5 The jacking assembly comprises a support plate 29 fixedly connected to the opposite faces of the two conveying belts 7, the top four corners of the support plate 29 are fixedly connected with fixed columns 30, the inner parts of the plurality of fixed columns 30 are slidingly connected with sliding columns 31, the top parts of the plurality of sliding columns 31 are fixedly connected with a jacking plate 32, the top of the support plate 29 is fixedly connected with a sliding rail 33, the inner part of the sliding rail 33 is slidingly connected with a moving block 34, the top of the support plate 29 is fixedly connected with an electric telescopic rod 3, the output end of the electric telescopic rod 3 is fixedly connected with one end of the moving block 34, the top surface of the moving block 34 is provided with two inclined surfaces, the bottom of the jacking plate 32 is fixedly connected with a U-shaped block 36, the two bottom ends of the U-shaped block 36 are rotatably connected with rollers 37, and the two rollers 37 are attached to the two inclined surfaces.

[0042] In use, first, the electric telescopic rod 3 is started to operate to push the moving block 34 to move forward in the sliding rail 33, and because the two rollers 37 are attached to the inclined surfaces on the top of the moving block 34, the rollers 37 will gradually move from the bottom end to the top end of the inclined surface while the moving block 34 moves forward, at this time, according to the guidance of the inclined surface, the jacking plate 32 will be pushed to gradually rise according to the guidance of the sliding column 31, so as to adjust the detection position of the workpiece.

[0043] The implementation principle of the engine support air tightness detection device of the embodiment is as follows: in use, first, the motor 13 is started to drive the screw rod 12 to rotate, at this time, the guide rod 14 guides the lifting plate 3 to gradually move to the position parallel to the top surface of the conveying belt 7, then the engine support workpiece to be detected is placed in the inside of the feeding plate 5, at this time, the reciprocating machine 17 is started to drive the sliding block 15 to move on the lifting plate 3, so that the feeding plate 4 is pushed by the extrusion block 16 to drive the feeding plate 5 and the workpiece to move to the two conveying belts 7, along with the operation of the conveying belt 7, the workpiece is continuously moved forward, when the workpiece moves to the side of the infrared probe 19, the electric telescopic rod one 21 is started to push the limiting column 22 to pop out from the support block 20 to intercept the feeding plate 4, at this time, the infrared probe 19 identifies the situation and position of the workpiece, after identification, the limiting column 22 is retracted to make the feeding plate 4 continue to move, when the workpiece moves to the side of the air tightness detection port 9, the limiting column 22 is pushed out again to intercept the position of the feeding plate 4, then according to the identification of the infrared probe 19, it is judged whether the detection position of the workpiece is in the same horizontal line with the air tightness detection port 9, if it is found that the position of the workpiece is lower, the electric telescopic rod three 35 is started to drive the moving block 34 to move forward in the sliding rail 33, because the two rollers 37 are in contact with the inclined surface on the top of the moving block 34, when the moving block 34 moves forward, the rollers 37 gradually move from the bottom end to the top end of the inclined surface, at this time, according to the guidance of the inclined surface, the jacking plate 32 is gradually lifted according to the guidance of the sliding column 31, so as to adjust the detection position of the workpiece;

[0044] When the adjustment is completed, the cylinder 24 is started to drive the feeding plate 5 to slide in the feeding plate 4, so that the detection end of the workpiece is tightly fitted with the air tightness detection port 9, then the electric telescopic rod two 25 is started to drive the connecting plate 26 to gradually descend through the guidance of the guide rod 27, so as to drive the bottom ends of the two abutting rods 28 to be in contact with and extrude the top surface of the workpiece, through the cooperation of the cylinder 24 and the abutting rod 28, the workpiece can be kept stable during detection, the displacement of the workpiece is reduced, the detection efficiency and accuracy are greatly improved, finally, when the detection is completed, the extrusion of the workpiece is released and the feeding plate 4 is lowered to the conveying belt 7, then the limiting column 22 is retracted to make the feeding plate 4 drive the workpiece after detection to move.

Claims

1. An engine support air tightness testing device, comprising a workbench (1), characterized in that: The inside of the workbench (1) is provided with a cavity (2), the inside of the cavity (2) is provided with a lifting plate (3) which is slidably arranged, the lifting plate (3) is provided with a feeding plate (4), the inside of the feeding plate (4) is slidably connected with a discharging plate (5), the inside of the cavity (2) is fixedly connected with a fixed frame (6), the inside of the fixed frame (6) is installed with a feeding assembly, the inside top surface of the workbench (1) is fixedly connected with two conveying belts (7) which are symmetrical, the inside top surface of the workbench (1) is fixedly connected with a support frame (8), one side of the support frame (8) is installed with an airtight detection port (9), the inside top surface of the workbench (1) is fixedly connected with a plurality of support rods (10) which are symmetrical, the top end of each of the plurality of support rods (10) is fixedly connected with a fixed plate (11), one side of one of the conveying belts (7) is installed with an identification piece, the opposite surface of each of the two conveying belts (7) is fixedly connected with a support block (20), the bottom of each of the two support blocks (20) is fixedly connected with an electric telescopic rod (21), the output end of each of the two electric telescopic rods (21) is fixedly connected with a limiting column (22), the two limiting columns (22) are slidably connected in the support block (20), the inside top surface of the workbench (1) is installed with a resisting piece, the fixed plate (11) is installed with an extrusion assembly, the opposite surface of each of the two conveying belts (7) is installed with a jacking assembly.

2. The engine support air tightness detection apparatus according to claim 1, characterized by: The feeding assembly comprises a lead screw (12) which is rotatably connected in the inside of the fixed frame (6), the inside of the fixed frame (6) is fixedly connected with a motor (13), the output end of the motor (13) is fixedly connected with one end of the lead screw (12), one end of the lifting plate (3) is threadedly connected on the lead screw (12), the inside of the fixed frame (6) is fixedly connected with a guide rod (14), one end of the lifting plate (3) is slidably connected on the guide rod (14).

3. The engine support air tightness detection apparatus of claim 1, wherein: The top of the lifting plate (3) is slidably connected with a sliding block (15), the top of the sliding block (15) is fixedly connected with an extrusion block (16), one side of the lifting plate (3) is fixedly connected with a reciprocating machine (17), the output end of the reciprocating machine (17) is fixedly connected with one end of the sliding block (15).

4. The engine support air tightness detection apparatus of claim 1, wherein: The identification piece comprises a fixed block (18) which is fixedly connected on one side of one of the conveying belts (7), the top of the fixed block (18) is fixedly connected with an infrared probe (19).

5. The engine support air tightness detection apparatus of claim 1, wherein: The resisting piece comprises a connecting block (23) which is fixedly connected on the inside top surface of the workbench (1), the inside of the connecting block (23) is fixedly connected with an air cylinder (24), the output end of the air cylinder (24) is in the same horizontal line with the discharging plate (5).

6. The engine support air tightness detection apparatus of claim 1, wherein: The extrusion assembly comprises an electric telescopic rod (25) which is fixedly connected on the top of the fixed plate (11), the output end of the electric telescopic rod (25) is fixedly connected with a connecting plate (26), two guide rods (27) are slidably connected through the fixed plate (11), the bottom end of each of the two guide rods (27) is fixedly connected with the top surface of the connecting plate (26), two resisting rods (28) are fixedly connected through the connecting plate (26).

7. The engine support air tightness detection apparatus of claim 1, wherein: The jacking assembly comprises support plates (29) fixedly connected to opposite sides of the two conveying belts (7), a fixed column (30) is fixedly connected to each of the four corners of the top of each support plate (29), a sliding column (31) is slidably connected to the inside of each fixed column (30), and a jacking plate (32) is fixedly connected to the top of each sliding column (31).

8. The engine support air tightness detection apparatus of claim 7, wherein: A sliding rail (33) is fixedly connected to the top of each support plate (29), a moving block (34) is slidably connected to the inside of each sliding rail (33), a third electric telescopic rod (35) is fixedly connected to the top of each support plate (29), one end of the third electric telescopic rod (35) is fixedly connected to the moving block (34), two inclined surfaces are arranged on the top surface of the moving block (34), a U-shaped block (36) is fixedly connected to the bottom of the jacking plate (32), a roller (37) is rotatably connected to the bottom of each end of the U-shaped block (36), and the two rollers (37) are in contact with the two inclined surfaces.