Device for rapidly detecting air tightness of cast cylinder

Abstract

The utility model discloses a device for rapidly detecting the air tightness of a cast cylinder body, which comprises a working table, an air cylinder is arranged on the working table, the output end of the air cylinder is fixedly connected with a first telescopic rod, and the lower surface of the first telescopic rod is fixedly connected with a sealing cover; an air pump is fixedly connected to the lower surface of the workbench, an air source port is formed in the air pump, a rotating shaft is rotationally connected to the interior of the workbench, a gear is arranged on the rotating shaft, a rack is connected to the interior of the gear in a meshed mode, a top block is fixedly connected to the upper surface of the rack, and a screw rod is arranged on the side portion of the workbench; the side portion of the screw rod is fixedly connected with a positioning ring, and a second sealing ring is arranged at the bottom of the positioning ring. By means of the device, through cooperation of the sealing cover, the ejector block and the positioning ring, the ejector block can stably abut against the cylinder body, the cylinder body is prevented from moving in the detection process, the fixity and the sealing effect of the cylinder body are further enhanced, and the reliability and the accuracy of detection are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of the production of casting cylinder blocks, and particularly relates to a device for quickly detecting the air tightness of casting cylinder blocks. Background Art

[0002] During the production process of casting cylinder blocks, air tightness detection is one of the key links to ensure the quality and performance of products. Air tightness is directly related to the sealing effect and safety of the cylinder block in actual use. Any minor leakage may lead to serious consequences. Therefore, strict detection of air tightness is an indispensable step.

[0003] In the existing production technology of casting cylinder blocks, it is mostly detected by manually placing the casting cylinder block in a water tank. However, this method has low efficiency and a certain risk of error. For example, the Chinese patent discloses "a device for quickly detecting the air tightness of casting cylinder blocks" with the application number "CN202220643245.6". It uses a detection platform and a pressing mechanism, which can quickly install the cylinder block to be detected. The positioning and cavity sealing of the cylinder block to be detected are fast, the sealing is accurate and reliable, the detection is convenient and accurate, and it can greatly reduce rework in the later stage, which is beneficial to improving product quality. However, its sealing only depends on the self-weight of the cylinder block, which may lead to incomplete sealing and thus affect the reliability of detection. Content of the Utility Model

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and provide a device for quickly detecting the air tightness of casting cylinder blocks. Through the linkage of the rotating shaft with the gear and the rack, the top block can stably fix the cylinder block. The setting of the screw rod and the positioning ring makes the positioning of the cylinder block more accurate, and the use of the second sealing ring further enhances the fixing and sealing effects of the cylinder block, ensuring the reliability and accuracy of detection.

[0005] The utility model also provides the above-mentioned device for quickly detecting the air tightness of casting cylinder blocks, including: a workbench, on which a cylinder is arranged, the output end of the cylinder is fixedly connected with a first telescopic rod, and the lower surface of the first telescopic rod is fixedly connected with a sealing cover; the lower surface of the workbench is fixedly connected with an air pump, on which an air source port is arranged, the inside of the workbench is rotatably connected with a rotating shaft, on which a gear is arranged, the inside of the gear is meshed with a rack, the upper surface of the rack is fixedly connected with a top block, a screw rod is arranged on the side of the workbench, a positioning ring is fixedly connected to the side of the screw rod, and a second sealing ring is arranged at the bottom of the positioning ring. Through the above device, through the cooperation of the sealing cover, the top block and the positioning ring, the top block can stably hold the cylinder block to prevent it from moving during the detection process, further enhancing the fixing and sealing effects of the cylinder block, ensuring the reliability and accuracy of detection.

[0006] A device for quickly detecting the airtightness of a cast cylinder block according to the present utility model, wherein the upper surface of the workbench is fixedly connected with a top frame, and the air cylinder is fixedly connected to the upper surface of the top frame. Through the above device, through the top frame, the position of the air cylinder is fixed reliably, ensuring that the vertical movement of the sealing cover can be accurately completed and guaranteeing the stability of the sealing detection process.

[0007] A device for quickly detecting the airtightness of a cast cylinder block according to the present utility model, wherein a motor is fixedly connected to the side surface of the workbench, a detection device body is arranged at the inner top of the sealing cover, the detection device body is fixedly connected to the output end of the motor, and an air release valve is arranged on the sealing cover. Through the above device, through the detection device, the air pressure change inside the cylinder block can be accurately sensed, and the gas leakage during the detection process can be discharged through the air release valve, ensuring the accuracy of the detection.

[0008] A device for quickly detecting the airtightness of a cast cylinder block according to the present utility model, wherein the air pump is fixedly connected to the air source port through a pipeline, and the air source port is located in the middle of the workbench. Through the above device, through the air source port, the air pump can continuously supply the gas required for the detection to the cylinder block, ensuring the smooth progress of the detection process.

[0009] A device for quickly detecting the airtightness of a cast cylinder block according to the present utility model, wherein a positioning groove is arranged at the top of the workbench, and the rotating shaft, the gear and the top block are located inside the positioning groove. Through the above device, through the positioning groove, the cylinder block can be accurately positioned, ensuring that it will not shift during the detection process, thereby improving the reliability of the detection.

[0010] A device for quickly detecting the airtightness of a cast cylinder block according to the present utility model, wherein the lower surface of the top block is fixedly connected with a second telescopic rod, and the top block is in a ring shape. Through the above device, through the second telescopic rod, the top block can more flexibly cooperate with the positioning ring to fix the cylinder block.

[0011] A device for quickly detecting the airtightness of a cast cylinder block according to the present utility model, wherein a clamping groove is arranged on the workbench, a first sealing ring is arranged inside the clamping groove, the clamping groove is fitted with the sealing cover, and the first sealing ring is attached to the lower surface of the sealing cover. Through the above device, the sealing cover can be perfectly attached to the workbench, forming a good sealing effect and preventing gas leakage.

[0012] A device for quickly detecting the airtightness of a cast cylinder block according to the present utility model, wherein a cylinder block body is arranged at the top of the workbench, the cylinder block body is fitted with the positioning groove, and positioning rings are located on both sides of the cylinder block body. Through the above device, the cylinder block can be stably fixed on the workbench, ensuring that it will not move during the detection process and guaranteeing the accuracy of the detection.

[0013] Beneficial effects

[0014] Compared with the prior art, for the device for quickly detecting the air tightness of a casting cylinder block, through the linkage of the rotating shaft with the gear and the rack, the top block can stably fix the cylinder block. The setting of the screw rod and the positioning ring makes the positioning of the cylinder block more accurate, and the use of the second sealing ring further enhances the fixing property and sealing effect of the cylinder block, ensuring the reliability and accuracy of the detection. Description of the Drawings

[0015] The following further describes the present utility model in conjunction with the drawings and embodiments;

[0016] Figure 1 It is the front view of the device for quickly detecting the air tightness of a casting cylinder block of the present utility model;

[0017] Figure 2 It is the Figure 1 internal structure diagram of the device for quickly detecting the air tightness of a casting cylinder block of the present utility model;

[0018] Figure 3 It is the Figure 1 left side sectional view of the device for quickly detecting the air tightness of a casting cylinder block of the present utility model;

[0019] Figure 4 It is the Figure 2 enlarged view at A in the device for quickly detecting the air tightness of a casting cylinder block of the present utility model;

[0020] Figure 5 It is the Figure 3 enlarged view at B in the device for quickly detecting the air tightness of a casting cylinder block of the present utility model.

[0021] Legend Explanation:

[0022] 1. Workbench; 2. Motor; 3. Top frame; 4. Cylinder; 5. Pipeline; 6. Air pump; 7. Air source port; 8. Cylinder block body; 9. First telescopic rod; 10. Detection device body; 11. Sealing cover; 12. Air release valve; 13. First sealing ring; 14. Card slot; 15. Positioning ring; 16. Screw rod; 17. Second sealing ring; 18. Top block; 19. Second telescopic rod; 20. Rack; 21. Gear; 22. Rotating shaft. Detailed Embodiment

[0023] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The function of the drawings is to supplement the description of the text part of the specification, enabling people to visually and vividly understand each technical feature and the overall technical solution of the present utility model, but it cannot be understood as a limitation on the protection scope of the present utility model.

[0024] Refer to Figures 1-5The utility model embodiment is a device for quickly detecting the air tightness of a casting cylinder body, which includes: a workbench 1, a cylinder 4 is arranged on the workbench 1, the cylinder 4 controls the lifting and lowering of a sealing cover 11, the upper surface of the workbench 1 is fixedly connected to a top frame 3, the cylinder 4 is fixedly connected to the upper surface of the top frame 3, the output end of the cylinder 4 is fixedly connected to a first telescopic rod 9, the lower surface of the first telescopic rod 9 is fixedly connected to a sealing cover 11, the sealing cover 11 ensures a stable environment for air tightness detection, the side surface of the workbench 1 is fixedly connected to a motor 2, and the sealing cover 11 is fixedly connected to the side surface of the workbench 1. A detection device body 10 is arranged on the top. The detection device body 10 is the prior art and will not be described in detail here. The detection device body 10 is fixedly connected to the output end of the motor 2. A relief valve 12 is arranged on the sealing cover 11. A card slot 14 is arranged on the workbench 1. The card slot 14 is used for the engagement of the sealing cover 11 to ensure the tightness of the seal. A first sealing ring 13 is arranged inside the card slot 14. The first sealing ring 13 enhances the sealing effect. The card slot 14 is engaged with the sealing cover 11, and the first sealing ring 13 is in contact with the lower surface of the sealing cover 11.

[0025] The lower surface of the workbench 1 is fixedly connected to an air pump 6, and an air source port 7 is arranged on the air pump 6. The air pump 6 and the air source port 7 are fixedly connected through a pipeline 5. The air source port 7 is located in the middle of the workbench 1. A rotating shaft 22 is rotatably connected inside the workbench 1, and a gear 21 is arranged on the rotating shaft 22. A rack 20 is meshed and connected inside the gear 21. A top block 18 is fixedly connected to the upper surface of the rack 20. A positioning groove is arranged on the top of the workbench 1. The rotating shaft 22, the gear 21 and the top block 18 are located inside the positioning groove. A second telescopic rod 19 is fixedly connected to the surface, and the top block 18 is annular in shape. A screw 16 is arranged on the side of the workbench 1, and a positioning ring 15 is fixedly connected to the side of the screw 16. The positioning ring 15 laterally fixes the cylinder body through the movement of the screw 16. A cylinder body 8 is arranged on the top of the workbench 1, and the cylinder body 8 is engaged with the positioning groove. The positioning ring 15 is located on both sides of the cylinder body 8. A second sealing ring 17 is arranged at the bottom of the positioning ring 15. The second sealing ring 17 provides an additional sealing effect to prevent gas leakage.

[0026] Working principle: When in use, first, place the cylinder body on the workbench 1, so that the side of the cylinder body is embedded in the positioning groove for preliminary positioning, then rotate the screw 16, the positioning ring 15 moves inward, and the second sealing ring 17 is close to the cylinder body to ensure lateral fixation and sealing. Subsequently, start the cylinder 4, so that the first telescopic rod 9 drives the sealing cover 11 to descend, the sealing cover is engaged with the slot 14 on the workbench, and the first sealing ring 13 is in contact with the lower surface of the sealing cover to form a closed space. At this time, rotate the shaft 22 to drive the gear 21 to mesh with the rack 20, so that the top block 18 moves out and supports the positioning ring 15, further fixing the cylinder body. Finally, the air pump 6 is used to transport gas to the inside of the cylinder body, and the detection device body 10 detects the air tightness. If there is a gas leak, the air release valve 12 will release excess gas, thereby completing the air tightness detection of the cylinder body.

[0027] The embodiments of the present utility model have been described in detail above in conjunction with the accompanying drawings. However, the present utility model is not limited to the above embodiments, and various changes can be made without departing from the gist of the present utility model within the scope of knowledge possessed by those of ordinary skill in the relevant art.

Claims

1. A device for quickly detecting the air tightness of a casting cylinder, characterized in that: include: A workbench (1), wherein a cylinder (4) is arranged on the workbench (1), a first telescopic rod (9) is fixedly connected to the output end of the cylinder (4), and a sealing cover (11) is fixedly connected to the lower surface of the first telescopic rod (9); The lower surface of the workbench (1) is fixedly connected to an air pump (6), and an air source port (7) is provided on the air pump (6). The workbench (1) is rotatably connected to a rotating shaft (22), and a gear (21) is provided on the rotating shaft (22). A rack (20) is meshedly connected to the inside of the gear (21), and a top block (18) is fixedly connected to the upper surface of the rack (20). A screw (16) is provided on the side of the workbench (1), and a positioning ring (15) is fixedly connected to the side of the screw (16), and a second sealing ring (17) is provided at the bottom of the positioning ring (15).

2. A device for quickly detecting the air tightness of a casting cylinder according to claim 1, characterized in that: The upper surface of the workbench (1) is fixedly connected to a top frame (3), and the cylinder (4) is fixedly connected to the upper surface of the top frame (3).

3. The device for quickly detecting the air tightness of a casting cylinder according to claim 1, characterized in that: The side surface of the workbench (1) is fixedly connected to a motor (2), the top of the sealing cover (11) is provided with a detection device body (10), the detection device body (10) is fixedly connected to the output end of the motor (2), and the sealing cover (11) is provided with an air release valve (12).

4. The device for quickly detecting the air tightness of a casting cylinder according to claim 1, characterized in that: The air pump (6) is fixedly connected to the air source port (7) via a pipeline (5), and the air source port (7) is located in the middle of the workbench (1).

5. The device for quickly detecting the air tightness of a casting cylinder according to claim 1, characterized in that: A positioning groove is provided on the top of the workbench (1), and the rotating shaft (22), the gear (21) and the top block (18) are located inside the positioning groove.

6. The device for quickly detecting the air tightness of a casting cylinder according to claim 1, characterized in that: A second telescopic rod (19) is fixedly connected to the lower surface of the top block (18), and the top block (18) is annular in shape.

7. The device for quickly detecting the air tightness of a casting cylinder according to claim 1, characterized in that: The workbench (1) is provided with a slot (14), a first sealing ring (13) is provided inside the slot (14), the slot (14) is engaged with the sealing cover (11), and the first sealing ring (13) is in contact with the lower surface of the sealing cover (11).

8. The device for quickly detecting the air tightness of a casting cylinder according to claim 1, characterized in that: A cylinder body (8) is arranged on the top of the workbench (1), the cylinder body (8) is engaged with the positioning groove, and the positioning rings (15) are located on both sides of the cylinder body (8).

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