Quality detection tool for die-cast end cover of automobile engine

Abstract

The invention relates to the technical field of airtightness detection, in particular to an automobile engine end cover post-die-casting quality detection tool which comprises a detection table and a top frame fixedly connected to the detection table, a detection mechanism used for detecting the airtightness of an end cover is arranged on the top frame, and a conveying frame is arranged on the front side of the detection table. A conveying mechanism used for conveying the engine end cover is arranged on the conveying frame, a top groove is formed in the top end of the detection table in a penetrating mode, a pair of feeding tables is fixedly connected between the top end of the detection table and the top end of the conveying frame, and the feeding tables are arranged on the two sides of the top groove. The engine end covers can be conveyed to the detection table from the conveying mechanism, the engine end covers can be put back to the conveying mechanism after detection is completed, then the feeding frame is moved away, conveying of the next engine end cover is not affected, automatic feeding and discharging of the engine end covers by the detection device are achieved, and the detection time of the device is greatly saved.

Description

Technical Field

[0001] The invention relates to the technical field of airtightness detection, and in particular to a post-die-casting quality detection tool for an automobile engine end cover. Background Art

[0002] The engine end cover is also called the engine cylinder head. The engine cylinder head, cylinder liner and piston together constitute the combustion chamber of the diesel engine. It is one of the components that withstand high temperature and high pressure working conditions. A hole chamber is formed on the engine cylinder head to provide oil and gas communication between the engine cylinder body and the outside. The bolt preload on the top surface of the cylinder head is much greater than the combustion pressure, and the bottom surface of the cylinder head is subjected to the high-pressure gas pressure and heat load generated by the combustion of the fuel. If there is air leakage or other minor problems in the engine cylinder head, it is easy to cause the possibility of cylinder blowout and explosion of the engine cylinder head. Therefore, it is necessary to conduct air tightness testing on the engine cylinder head.

[0003] The prior art discloses an engine cylinder head air tightness testing device with publication number CN219064799U. The device can perform inflation testing on the engine cylinder head by using a pneumatic valve group in conjunction with a high-pressure air pump, and display data through a numerical control panel, thereby improving the testing efficiency. The device can clamp engine cylinder heads of different sizes by using a micro air pump in conjunction with a clamp, and the design of the protective pad can prevent damage to the engine cylinder head during the clamping process. The device can quickly assemble the engine cylinder head to be tested by using a slide groove in conjunction with a slider and a testing frame, thereby improving the testing efficiency. The overall design of the device is novel, the structure is simple, and it is worthy of wide promotion and use.

[0004] Although the above-mentioned device can improve the detection efficiency, there are still some defects in the actual detection process. Since the detection tooling of the detection device lacks automatic loading and unloading functions, when performing airtightness detection on the automobile engine end cover, the detection personnel are required to use their hands or a robotic arm or a crane to move the engine end cover on the production line to the detection tooling for inspection. If manual transportation is used, it will be time-consuming and labor-intensive. If a robotic arm is used, the production cost will be greatly increased. If a crane is used for transportation, workers will need to hang the hook on the engine end cover for lifting, which will greatly reduce the detection efficiency of the device.

[0005] Therefore, a quality inspection tool for automobile engine end cover after die casting is proposed to solve the above problems. Summary of the invention

[0006] The purpose of the present invention is to solve the shortcomings existing in the background technology and to propose a quality inspection tool for automobile engine end cover after die casting.

[0007] To achieve the above purpose, the technical solution adopted by the present invention is: a post-die-casting quality inspection tool for an automobile engine end cover, comprising a testing platform, and a top frame fixedly connected to the testing platform, the top frame is provided with a testing mechanism for detecting the air tightness of the end cover, a conveying frame is provided on the front side of the testing platform, and a conveying mechanism for conveying the engine end cover is provided on the conveying frame, a top groove is provided through the top of the testing platform, a pair of loading platforms are fixedly connected between the top of the testing platform and the top of the conveying frame, and the loading platform is arranged on both sides of the top groove, and a blocking mechanism for blocking the bottom end of the end cover is provided in the top groove, the bottom end of the loading platform is slidably connected with a loading frame, and a loading plate is slidably connected to the inner side of the loading frame, and the side of the loading plate close to each other is provided with four plugs for inserting into the side holes of the end cover, and the side of the loading plate away from each other is provided with a slide groove, and the inner side of the slide groove is slidably connected with a T-block, and a driving mechanism for driving the T-block to move is provided on the loading platform, and an adjusting mechanism for adjusting the position of the T-block is provided at the bottom of the loading platform.

[0008] In the above technical solution, further, the driving mechanism includes a driving motor, and the driving motor is provided with a pair. A pair of top plates are fixedly connected to the top of the loading platform, and threaded rods are rotatably connected between the top plates. The driving motors are fixedly connected to the rear side of the loading platform, and the output ends of the driving motors pass through the top plates and are fixedly connected to the side walls of the threaded rods. An L-shaped block is slidably connected to the side away from the top of the loading platform, and the threaded rod is threaded through the inner wall of the L-shaped block, and the side walls of the L-shaped block and the side plates located on the front and rear sides of the T-shaped block are fixedly connected.

[0009] In the above technical solution, further, the adjusting mechanism includes an adjusting rod, a pair of the adjusting rods are provided, and the adjusting rods are both slidably connected to the top of the T-block, an upper spring is fixedly connected between the bottom end of the T-block and the outer wall of the adjusting rod, a straight groove is provided at the bottom end of the loading platform, an inclined groove is provided on the front side of the straight groove, a horizontal groove is provided on the front side of the straight groove, a U-shaped groove is provided at the bottom end of the loading platform, and one end of the U-shaped groove is connected to the front end of the inclined groove, and the other side of the U-shaped groove is connected to the side end of the horizontal groove, and an inward groove is provided on the inner side of the U-shaped groove relative to the position next to the inclined groove.

[0010] In the above technical solution, further, the connection between the groove and the U-shaped groove is inclined, the top end of the adjusting rod is inserted into the inner side of the straight groove, and the top end of the adjusting rod is set to a smooth arc surface.

[0011] In the above technical solution, further, a movable groove is opened at the top inner side of the loading frame, a movable plate is fixedly connected to the top of the loading plate corresponding to the inner side of the movable groove, a number of loading springs are fixedly connected between the side wall of the movable plate and the inner side of the movable groove, and a number of return springs are fixedly connected between the inner side of the slide groove and the side wall of the T-block.

[0012] In the above technical solution, further, the feeding plate is provided with an adjustment groove on one side close to the feeding plate, four adjustment plates are slid inside the adjustment groove, the four side walls of the adjustment plates are fixedly connected with screws, the four side walls of the insert blocks are provided with threaded grooves matching the screws, and the insert blocks are made of rubber material.

[0013] In the above technical solution, further, the side walls of the adjustment plate are all threadedly connected with bolts, and the side walls of the bolts are against the inner side of the adjustment groove.

[0014] In the above technical solution, further, the blocking mechanism includes an electric telescopic cylinder, a pair of the electric telescopic cylinders are provided, and the electric telescopic cylinders are fixedly connected to the inner side of the detection platform, and a blocking block for blocking the bottom end of the end cover is fixedly connected between the output ends of the electric telescopic cylinders, and a travel switch is fixedly connected to the top of one of the loading platforms, and the travel switch is electrically connected to the electric telescopic cylinder, the detection mechanism and the driving mechanism through a controller.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention can automatically seal both sides of the engine end cover through the arrangement of the loading platform, the driving mechanism and the adjusting mechanism, and can transfer the engine end cover from the conveying mechanism to the testing platform, and can put the engine end cover back on the conveying mechanism after the test is completed, and then the loading frame is removed, which will not affect the transmission of the next engine end cover, thereby realizing the automatic loading and unloading of the engine end cover by the testing device, greatly saving the testing time of the device.

[0016] 2. The present invention can replace corresponding plugs according to the size of the side holes of the end covers of engines of different models through the arrangement of adjustment grooves, adjustment plates, screws and other structures, and can adjust the spacing between the plugs according to the spacing between the side holes of the end covers of different engines, thereby improving the application range of the device and meeting the needs of users. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the front three-dimensional structure of the detection device of the present invention; Figure 2 It is a schematic diagram of the full-section three-dimensional structure of the front side of the loading platform of the present invention; Figure 3 The appended Figure 2 A schematic diagram of the partially enlarged structure at center A; Figure 4 It is a schematic diagram of the front full-section three-dimensional structure of the detection platform of the present invention; Figure 5 It is a bottom-up three-dimensional structural schematic diagram of the feeding frame and the L-shaped block of the present invention; Figure 6This is a schematic diagram of the three-dimensional structure of the loading platform of the present invention when viewed from above; Figure 7 The appended Figure 6 A schematic diagram of the partially enlarged structure at B in the middle; Figure 8 It is a schematic diagram of the three-dimensional structure of the L-shaped block and the T-shaped block separation of the present invention; Fig. 9 It is a schematic diagram of the three-dimensional structure of the feed plate and the insert block separated according to the present invention.

[0018] In the figure: 1. detection table; 2. top frame; 3. detection mechanism; 4. conveying frame; 5. conveying mechanism; 6. top slot; 7. feeding table; 8. feeding frame; 9. feeding plate; 10. plug block; 11. slide slot; 12. T-block; 13. driving motor; 14. top plate; 15. threaded rod; 16. L-block; 17. side plate; 18. adjusting rod; 19. straight slot; 20. oblique slot; 21. horizontal slot; 22. U-shaped slot; 23. groove; 24. feeding spring; 25. reset spring; 26. electric telescopic cylinder; 27. blocking block; 28. travel switch; 29. ​​adjusting slot; 30. adjusting plate; 31. screw; 32. threaded slot; 33. bolt; 34. moving slot; 35. moving plate; 36. upper spring. DETAILED DESCRIPTION

[0019] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0020] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0021] like Figure 1-9 The tooling for quality inspection of automobile engine end cover after die casting shown in the figure comprises an inspection platform 1 and a top frame 2 fixedly connected to the inspection platform 1. The top frame 2 is provided with an inspection mechanism 3 for inspecting the air tightness of the end cover. The inspection mechanism 3 mainly cooperates with the pressure parameter control inspection device through a telescopic structure. The pressure inspection module performs pressure treatment on the engine end cover via the inspection interface and obtains pressure change timing information. The air tightness performance information is obtained according to the pressure change timing information and the temperature change inspection module is activated. The temperature change parameters are used to perform temperature change treatment on the cylinder body. The interactive temperature change inspection module obtains a temperature change image set for temperature change analysis, obtains the coordinates of the leakage point, and realizes the air tightness inspection of the engine end cover. A conveyor frame 4 is provided at the front side of the test bench 1, and a conveyor mechanism 5 for conveying the engine end cover is provided on the conveyor frame 4. The conveyor mechanism 5 is mainly composed of a motor, a conveyor roller and a conveyor belt, and a limit block for limiting the position of the engine end cover is provided on the conveyor belt to ensure the position of the engine. At the same time, the conveyor mechanism 5 is intermittently transmitted through a program to ensure that the engine end cover is accurately moved to the front of the test bench 1. A top groove 6 is opened through the top of the test bench 1. A pair of loading platforms 7 are fixedly connected between the top of the test bench 1 and the top of the conveyor frame 4, and the loading platform 7 is arranged on both sides of the top groove 6, and a blocking mechanism for blocking the bottom end of the end cover is arranged in the top groove 6, and a loading frame 8 is slidably connected to the bottom end of the loading platform 7, and a loading plate 9 is slidably connected to the inner side of the loading frame 8, and four plug blocks 10 for inserting into the side holes of the end cover are arranged on the side close to the loading plate 9, and a slide groove 11 is opened on the side away from the loading plate 9, and a T-block 12 is slidably connected to the inner side of the slide groove 11, and a driving mechanism for driving the T-block 12 to move is arranged on the loading platform 7, and an adjusting mechanism for adjusting the position of the T-block 12 is arranged at the bottom end of the loading platform 7; The driving mechanism includes a driving motor 13, and a pair of driving motors 13 are provided. A pair of top plates 14 are fixedly connected to the top of the loading platform 7, and a threaded rod 15 is rotatably connected between the top plates 14. The driving motors 13 are fixedly connected to the rear side of the loading platform 7, and the output end of the driving motor 13 passes through the top plate 14 and is fixedly connected to the side wall of the threaded rod 15. An L-shaped block 16 is slidably connected to the side away from the top of the loading platform 7, and the threaded rod 15 penetrates and is threadedly connected to the inner wall of the L-shaped block 16. The side wall of the L-shaped block 16 and the side plates 17 located on the front and rear sides of the T-shaped block 12 are fixedly connected. Through the setting of the side plates 17, not only can the T-shaped block 12 be pushed to slide forward and backward, but also the left and right movement of the T-shaped block 12 will not be hindered; The adjusting mechanism includes an adjusting rod 18, a pair of adjusting rods 18 are provided, and the adjusting rods 18 are all connected to the top of the T-block 12 by sliding, and an upper spring 36 is fixedly connected between the bottom end of the T-block 12 and the outer wall of the adjusting rod 18, a straight groove 19 is provided at the bottom end of the feeding table 7, an inclined groove 20 is provided at the front side of the straight groove 19, a transverse groove 21 is provided at the front side of the straight groove 19, a U-shaped groove 22 is provided at the bottom end of the feeding table 7, and one end of the U-shaped groove 22 is connected to the front end of the inclined groove 20, and the other side of the U-shaped groove 22 is connected to the side end of the transverse groove 21 The inner side of the U-shaped groove 22 is provided with an inward groove 23 relative to the position beside the inclined groove 20. The connection between the groove 23 and the U-shaped groove 22 is inclined, so that there is a step between the groove 23 and the inclined groove 20, which can limit the sliding position of the adjusting rod 18 and ensure that the adjusting rod 18 can move from the groove 23 to the U-shaped groove 22. The top end of the adjusting rod 18 is inserted into the inner side of the straight groove 19, and the top end of the adjusting rod 18 is set to a smooth arc surface, which is convenient for the adjusting rod 18 to slide out of the groove 23 more smoothly. A moving groove 34 is provided at the top inner side of the feeding frame 8, and a moving plate 35 is fixedly connected to the top inner side of the moving groove 34 corresponding to the top of the feeding plate 9, and a plurality of feeding springs 24 are fixedly connected between the side wall of the moving plate 35 and the inner side of the moving groove 34. Through the arrangement of the moving plate 35, the moving groove 34 and the feeding spring 24, it is convenient to pull the feeding plate 9 to reset, and a plurality of reset springs 25 are fixedly connected between the inner side of the slide groove 11 and the side wall of the T-block 12. Through the reset spring 25, it is convenient to push the T-block 12 to reset, and ensure that after the detection is completed, the feeding frame 8 can be driven to move in the first time; When the engine end cover is quality inspected, the die-cast engine end cover is conveyed to the front of the inspection table 1 through the conveying mechanism 5 on the conveying frame 4 (at this time, the feeding frame 8 is located on the inspection table 1, and the adjusting rod 18 slides inside the straight groove 19, which will not affect the normal transportation of the engine end cover on the conveyor belt), and then the driving motor 13 is controlled to start and drive the threaded rod 15 to rotate, thereby driving the threaded L-shaped block 16 to slide on the feeding table 7, and at the same time driving the T-shaped block 12 to move through the side plate 17. Since there is no restriction on the front side of the feeding frame 8 at this time, when the T-shaped block 12 moves, the elastic force of the return spring 25 will push the feeding plate 9 and the feeding frame 8 to slide, and at the same time drive the adjusting rod 18 to slide inside the straight groove 19. Then, when the feeding plate 9 moves to the conveying frame 4 and is located on both sides of the engine end cover, the feeding frame 8 is restricted and cannot continue to move forward (the sliding position of the feeding frame 8 can be limited by the groove opened at the bottom of the feeding table 7, which is a mature technology in the prior art and will not be described in detail here); Then, under the continued push of the side plate 17, the T-block 12 will continue to move. At this time, the adjusting rod 18 will slide out from the inner side of the straight groove 19 and into the inclined groove 20. At the same time, the continued movement of the T-block 12 will gradually compress the return spring 25. Subsequently, under the action of the inclined groove 20, the adjusting rod 18 will be gradually squeezed and the T-block 12 and the feeding plate 9 will be driven to slide on the inner side of the feeding frame 8, and the insert block 10 will be driven to insert into the side hole of the engine end cover. In this process, the moving plate 35 will be driven to slide in the moving groove 34, and the feeding spring 24 will be gradually compressed, and the T-block 12 will slide between the side plates 17. Subsequently, the adjusting rod 18 will slide out of the inclined groove 20 and into the U-shaped groove 22, and will be located below the groove 23. Subsequently, under the elastic force of the upper spring 36, the top end of the adjusting rod 18 will be pushed into the groove 23. Since there is a step between the groove 23 and the inclined groove 20, it is limited. The control is performed, so the adjusting rod 18 cannot slide into the inclined groove 20, and then the driving motor 13 can be controlled to reverse and then reversely drive the L-shaped block 16 to move backward, and at the same time drive the T-shaped block 12 to move backward through the side plate 17, at this time, the compression of the reset spring 25 will be gradually released, and at the same time, the adjusting rod 18 will be driven to slide out from the inclined surface of the groove 23 and into the U-shaped groove 22, and at the same time, the adjusting rod 18 will be pressed downward and the upper spring 36 will be stretched, and then the T-shaped block 12 will be reset and the feeding frame 8 and the feeding plate 9 can be driven to move under the thrust of the side plate 17, and the engine end cover can be driven to move at the same time (it should be noted here that the height of the conveying frame 4 and the inspection table 1 can be lower than the height of the conveyor belt on the conveying mechanism 5 to avoid wear on the engine end cover during loading and unloading, and when the engine end cover is removed from the conveyor belt, the conveyor belt is made of rubber material and will not cause damage to the engine end cover); Then the feeding frame 8 and the insert block 10 move the engine end cover to the bottom of the detection mechanism 3, and at the same time the adjusting rod 18 moves to the rear end of the U-shaped groove 22, and then the feeding plate 9, the T-block 12 and the adjusting rod 18 are pushed to slide under the elastic force of the feeding spring 24, and the adjusting rod 18 is driven to slide at the lateral end of the U-shaped groove 22, and the insert block 10 is driven to move to both sides (it will not move out of the engine side hole and will not hinder the normal detection of the device), and then the drive motor 13 can be controlled to stop running, and then the detection mechanism 3 and the blocking mechanism are controlled to run, and the engine end cover is tested for airtightness. After the detection is completed, the drive motor 13 can be controlled to rotate forward. Driven by the side plate 17, the T-block 12 is driven to move forward, and at the same time, the adjusting rod 18 is driven to slide at the other longitudinal end of the U-shaped groove 22, and then the engine end cover is moved to the conveyor belt. At this time, the adjusting rod 18 moves to the front end of the U-shaped groove 22, thereby releasing the limit on the adjusting rod 18, and then the T-block 12 is pushed to reset under the elastic force of the feeding spring 24, and the adjusting rod 18 is driven to pass through the transverse groove 21 into the straight groove 19, and at the same time, the insert block 10 is moved out of the side hole of the engine end cover. Finally, the driving motor 13 can be controlled to reverse to move the feeding frame 8, and then the conveying mechanism 5 can be controlled to start to convey the next engine end cover.

[0022] In order to improve the application range of the device, the feeding plate 9 is provided with an adjustment groove 29 on the side close to each other, and four adjustment plates 30 are slid inside the adjustment groove 29. The side walls of the four adjustment plates 30 are fixedly connected with screws 31. The side walls of the four plug blocks 10 are provided with threaded grooves 32 adapted to the screws 31, and the plug blocks 10 are made of rubber material; Bolts 33 are threadedly connected to the side walls of the adjustment plate 30, and the side walls of the bolts 33 abut against the inner side of the adjustment slot 29; When the plug block 10 needs to be replaced according to different engine models, the plug block 10 can be rotated to be unscrewed from the screw rod 31, and the replacement plug block 10 can be screwed into the screw rod 31 through the threaded groove 32. When the spacing between the plug blocks 10 needs to be adjusted, the bolt 33 is rotated with a tool to release the restriction on the adjustment plate 30, and the adjustment plate 30 can be pushed to slide inside the adjustment groove 29. After the adjustment is completed, the bolt 33 can be tightened in the reverse direction using a workpiece.

[0023] In order to improve the automation efficiency of the device, the blocking mechanism includes an electric telescopic cylinder 26, a pair of which are provided, and the electric telescopic cylinders 26 are fixedly connected to the inner side of the detection platform 1, and a blocking block 27 for blocking the bottom end of the end cover is fixedly connected between the output ends of the electric telescopic cylinder 26, and a travel switch 28 is fixedly connected to the top of one of the loading platforms 7, and the travel switch 28 is electrically connected to the electric telescopic cylinder 26, the detection mechanism 3 and the driving mechanism through the controller; When the driving motor 13 is running to automatically load and unload the engine end cover, when the engine end cover is moved to the bottom of the detection mechanism 3, the L-shaped block 16 will touch the travel switch 28, and the travel switch 28 will transmit the signal to the controller. The controller controls the driving mechanism to stop running, and controls the detection mechanism 3 and the electric telescopic cylinder 26 to run. Then the telescopic assembly on the detection mechanism 3 pushes the detection module to the top of the engine end cover, and at the same time the electric telescopic cylinder 26 drives the blocking block 27 to move upward to block the bottom of the engine end cover, so that the engine end cover can be automatically tested for airtightness, thereby further improving the automation efficiency of the device.

[0024] The basic principles, main features and advantages of the present invention are shown and described above.

[0025] Those skilled in the art should understand that the present invention is not limited to the above-mentioned embodiments. The above-mentioned embodiments and the specification only describe the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. These changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. A post-die-cast quality inspection tool for an automobile engine end cover, comprising a testing platform (1), and a top frame (2) fixedly connected to the testing platform (1), wherein the top frame (2) is provided with a testing mechanism (3) for testing the air tightness of the end cover, characterized in that: A conveying frame (4) is provided at the front side of the inspection platform (1), and a conveying mechanism (5) for conveying the engine end cover is provided on the conveying frame (4). A top groove (6) is provided through the top of the inspection platform (1), and a pair of loading platforms (7) are fixedly connected between the top of the inspection platform (1) and the top of the conveying frame (4), and the loading platforms (7) are arranged on both sides of the top groove (6). A blocking mechanism for blocking the bottom of the end cover is provided in the top groove (6), and the bottom of each loading platform (7) is slidably connected to a loading frame ( 8), a loading plate (9) is slidably connected to the inner side of the loading frame (8), four plug blocks (10) for inserting into the side holes of the end cover are provided on the side close to the loading plate (9), a slide groove (11) is provided on the side away from the loading plate (9), a T-block (12) is slidably connected to the inner side of the slide groove (11), a driving mechanism for driving the T-block (12) to move is provided on the loading platform (7), and an adjusting mechanism for adjusting the position of the T-block (12) is provided at the bottom end of the loading platform (7).

2. The post-die-casting quality inspection tool for an automobile engine end cover according to claim 1, characterized in that: The driving mechanism comprises a driving motor (13), a pair of driving motors (13) are provided, the top of each of the loading platform (7) is fixedly connected to a pair of top plates (14), a threaded rod (15) is rotatably connected between each of the top plates (14), the driving motors (13) are fixedly connected to the rear side of the loading platform (7), the output end of the driving motor (13) passes through the top plate (14) and is fixedly connected to the side wall of the threaded rod (15), the side away from the top of each of the loading platform (7) is slidably connected to an L-shaped block (16), and the threaded rod (15) is threadedly connected to the inner side wall of the L-shaped block (16), and the side wall of the L-shaped block (16) and located at the front and rear sides of the T-shaped block (12) are fixedly connected to side plates (17).

3. The post-die-casting quality inspection tool for an automobile engine end cover according to claim 1 is characterized in that: The adjustment mechanism comprises an adjustment rod (18), a pair of the adjustment rods (18) are provided, and the adjustment rods (18) are both slidably connected to the top of the T-shaped block (12), an upper spring (36) is fixedly connected between the bottom end of the T-shaped block (12) and the outer wall of the adjustment rod (18), a straight groove (19) is provided at the bottom end of the loading platform (7), an inclined groove (20) is provided at the front side of the straight groove (19), a transverse groove (21) is provided at the front side of the straight groove (19), a U-shaped groove (22) is provided at the bottom end of the loading platform (7), one end of the U-shaped groove (22) is communicated with the front end of the inclined groove (20), the other side of the U-shaped groove (22) is communicated with the side end of the transverse groove (21), and an inwardly recessed groove (23) is provided on the inner side of the U-shaped groove (22) relative to the side of the inclined groove (20).

4. The post-die-casting quality inspection tool for an automobile engine end cover according to claim 3 is characterized in that: The connection between the groove (23) and the U-shaped groove (22) is arranged obliquely, the top end of the adjusting rod (18) is inserted into the inner side of the straight groove (19), and the top end of the adjusting rod (18) is arranged to be a smooth arc surface.

5. The quality inspection tool for automobile engine end cover after die casting according to claim 1 is characterized in that: A movable groove (34) is provided at the top inner side of the loading frame (8); a movable plate (35) is fixedly connected to the top inner side of the loading plate (9) corresponding to the movable groove (34); a plurality of loading springs (24) are fixedly connected between the side wall of the movable plate (35) and the inner side of the movable groove (34); and a plurality of return springs (25) are fixedly connected between the inner side of the slide groove (11) and the side wall of the T-shaped block (12).

6. The post-die-casting quality inspection tool for an automobile engine end cover according to claim 1, characterized in that: The feeding plates (9) are each provided with an adjustment groove (29) on one side thereof, four adjustment plates (30) are slidably mounted inside the adjustment groove (29), the side walls of the four adjustment plates (30) are each fixedly connected with a screw rod (31), the side walls of the four insert blocks (10) are each provided with a threaded groove (32) matched with the screw rod (31), and the insert blocks (10) are made of rubber material.

7. The post-die-casting quality inspection tool for an automobile engine end cover according to claim 6, characterized in that: Bolts (33) are threadedly connected through the side walls of the adjustment plate (30), and the side walls of the bolts (33) abut against the inner side of the adjustment groove (29).

8. The post-die-casting quality inspection tool for an automobile engine end cover according to claim 1, characterized in that: The blocking mechanism comprises an electric telescopic cylinder (26), a pair of the electric telescopic cylinders (26) being provided, and the electric telescopic cylinders (26) are both fixedly connected to the inner side of the detection platform (1), a blocking block (27) for blocking the bottom end of the end cover being fixedly connected between the output ends of the electric telescopic cylinders (26), a travel switch (28) being fixedly connected to the top end of one of the loading platforms (7), and the travel switch (28) being electrically connected to the electric telescopic cylinder (26), the detection mechanism (3) and the drive mechanism via a controller.

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