CN220568353U

CN220568353U - Automatic airtight detection machine for box blank

Info

Publication number: CN220568353U
Application number: CN202322017391.5U
Authority: CN
Inventors: 叶军; 许文忠; 孙恩来
Original assignee: Fuding Sanhong Locomotive Part Co ltd
Current assignee: Fuding Sanhong Locomotive Part Co ltd
Priority date: 2023-07-28
Filing date: 2023-07-28
Publication date: 2024-03-08
Anticipated expiration: 2033-07-28

Abstract

The utility model discloses an automatic airtight detection machine for a box blank, which comprises a frame, wherein a top plate is fixed on the frame through bolts, a pressurizing cylinder and an inflator pump are fixed on the top of the top plate through bolts, a piston rod of the pressurizing cylinder penetrates through the top plate and is fixedly connected with a lower pressing plate, a pressing mechanism is arranged on one side of the lower pressing plate, a punching detection mechanism is arranged on the other side of the lower pressing plate, and a casting with a three-way opening is pressed, fixed and sealed to block the opening through the pressing mechanism and the punching detection mechanism; the water tank is arranged below the pressing mechanism, the water tank is lifted upwards through the air cylinder, the water tank is submerged in the casting, then the casting is inflated, the pressure gauge is monitored, the surface of the water tank is observed, and the air tightness of the casting can be detected. According to the utility model, the compressing mechanism and the punching mechanism clamp and seal the opening of the casting, and the air tightness of the casting is detected by observing the water surfaces of the pressure gauge and the water tank through inflation, so that the problem of detecting the air tightness of the casting with the three-way opening is solved, and the accuracy of detecting the air tightness of the casting is ensured.

Description

Automatic airtight detection machine for box blank

Technical Field

The utility model relates to the technical field of airtight detection, in particular to an automatic airtight detection machine for a box blank.

Background

With the continuous improvement of the precision of automobile parts, the requirement on the airtight performance of cast products is extremely high. Aiming at products with air tightness requirements on the parts of castings on automobiles, the air tightness of the products is required to be detected before leaving factories. The air tightness of the casting is detected by firstly filling air into the casting, maintaining the pressure for a period of time after filling the air, and detecting whether the air leakage phenomenon occurs in the product in the pressure maintaining process. However, some castings are three-way products, most of the detection devices on the market are mainly aimed at products with upper and lower two-way openings, but few devices for detecting the air tightness are developed for products with three-way openings, so that an automatic air tightness detector mainly aimed at detecting the air tightness of the products with three-way openings needs to be developed.

Disclosure of Invention

First, the technical problem to be solved

The utility model aims to provide an automatic airtight detection machine for a box blank, which is used for solving the problem of airtight detection of a three-way opened product in the prior art.

(II) summary of the utility model

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides an automatic airtight detection machine of box blank, includes frame and flexible air duct, frame top bolt fastening roof, roof top bolt fastening booster cylinder and pump, booster cylinder's piston rod passes roof and holding down plate fixed connection, holding down plate one side is equipped with hold-down mechanism, opposite side is equipped with surveys towards mechanism, it includes the slotting tool driving block to survey towards mechanism, slotting tool driving block bolt fastening is in the below of holding down plate, slotting tool driving block below is equipped with the motion slider, the motion slider assembly is on leading the positive piece, leading positive piece and motion slider cooperation grafting department is equipped with the spring, lead positive piece top bolted connection spacing piece, lead positive piece one side bolt fastening stopper, motion slider one side and third clamp splice bolted connection, paste the silica gel piece on the third clamp splice, lead positive piece fixed mounting on the bottom plate, bottom plate one side fixed mounting first side board, bottom plate opposite side fixed mounting second side board, first side board and second side board top welded fastening are in roof below.

Preferably, the rack comprises a base, the base is fixedly connected with the tail ends of a plurality of first support columns, the top ends of the first support columns are fixedly connected with a first machine frame, the upper parts of the first machine frames are fixedly connected with the tail ends of a plurality of second support columns, the tops of the second support columns are fixedly connected with a second machine frame, the first machine frame and the second machine frame are in a shape like a Chinese character 'kou', and a plurality of cuboid metal pipes are welded in a surrounding mode.

Preferably, the center position top of base is equipped with the fixed cylinder of bolt, the piston rod top and the ring flange grafting of cylinder are fixed, ring flange top and backup pad bolt fastening, the backup pad top is equipped with the water tank, the water tank top is equipped with the opening, the water tank bottom is fixed with the backup pad bolt, the box of water tank is less than the opening of first frame, the open-top of water tank is greater than the bottom plate.

Preferably, the pressing mechanism comprises a first clamping block, the upper part of the first clamping block is fixed with a lower pressing plate through bolts, a silica gel sheet is adhered to the bottom of the first clamping block, the first clamping block is in penetrating and movable connection with a guide rod, the tail end of the guide rod is fixedly connected with a second clamping block, the silica gel sheet is adhered to the top of the second clamping block, and the second clamping block is fixedly installed on the bottom plate.

Preferably, the casting to be detected is placed above the silica gel sheet adhered by the second clamping block.

Preferably, the lower part of the slotting tool driving block is an inverted triangle block, and the slotting tool driving block is mutually matched with the moving sliding block.

Preferably, one end of the telescopic air duct is in threaded connection with an air outlet of the inflator pump, the other end of the telescopic air duct penetrates through the lower pressing plate, the first clamping block and the silica gel sheet to be in threaded connection with the inflator pump, a through hole is formed in the lower pressing plate, and a through hole is formed in the center of the first clamping block and the center of the silica gel sheet.

(III) beneficial effects

According to the automatic airtight detection machine for the box blank, provided by the utility model, the pressurizing cylinder is used for downwards pressing to control the pressing mechanism and the punching mechanism to move, three openings of a casting to be detected are sealed and blocked, the cylinder is used for lifting the water tank containing liquid to a position capable of submerging the casting, gas is filled in the openings of the casting for a period of time, whether air leakage exists or not is judged by monitoring the pressure gauge and observing the bubbling of the water surface, and double monitoring can more effectively ensure the accuracy of the airtight detection of the casting; in the pressure-maintaining state, it is necessary to ensure that all three openings of the casting passage are in a sealed state. Through manometer and observation water tank bubble, dual detection test can improve the precision and the efficiency of detection.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front view of an automatic air tightness detector for a box blank of the present utility model;

FIG. 2 is a schematic structural view of the sealing and clamping mechanism of the present utility model;

fig. 3 is a schematic structural diagram of the impact measuring mechanism of the present utility model.

Reference numerals in the drawings illustrate: 1. the hydraulic pressure type hydraulic pressure engine comprises a base, 2 parts of a first support column, 3 parts of a first frame, 4 parts of a second support column, 5 parts of a second frame, 6 parts of a top plate, 7 parts of a pressurizing cylinder, 8 parts of an inflator, 9 parts of a telescopic air duct, 10 parts of a lower pressing plate, 11 parts of a first clamping block, 12 parts of a guide rod, 13-1 parts of a first side plate, 13-2 parts of a second side plate, 14 parts of a second clamping block, 15 parts of a bottom plate, 16 parts of a silica gel sheet, 17 parts of a punching mechanism, 17-1 parts of a slotting tool driving block, 17-2 parts of a limiting sheet, 17-3 parts of a moving sliding block, 17-4 parts of a third clamping block, 17-5 parts of a guiding block, 17-51 parts of a spring, 17-6 parts of a limiting block, 18 parts of a casting, 19 parts of a water tank, 20 parts of a support plate, 21 parts of a flange plate and 22 parts of a cylinder.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-3, an embodiment of the present utility model is provided: the automatic airtight detection machine for the box blank comprises a frame and a telescopic air duct 9, wherein a top plate 6 is fixed on the frame through bolts, a pressurizing cylinder 7 and an inflator pump 8 are fixed on the top of the top plate 6 through bolts, a through hole is formed in the top of the top plate 6, a piston rod of the pressurizing cylinder 7 penetrates through the through hole in the top plate 6 and is fixedly connected with a lower pressing plate 10, a pressing mechanism is arranged on one side of the lower pressing plate 10, a punching mechanism 17 is arranged on the other side of the lower pressing plate, when the lower pressing plate 10 moves downwards under the action of the pressurizing cylinder 7, the pressing mechanism and the punching mechanism 17 can be simultaneously applied with pressure downwards, the punching mechanism 17 comprises a cutter driving block 17-1, the cutter driving block 17-1 is fixed below the lower pressing plate 10 through bolts, a moving sliding block 17-3 is arranged below the cutter driving block 17-1, the motion slide block 17-3 is assembled on the guide block 17-5, a spring 17-51 is arranged at the matched and spliced position of the guide block 17-5 and the motion slide block 17-3, the motion slide block 17-3 is convenient to reset, a limit plate 17-2 is connected above the guide block 17-5 through a bolt, the motion slide block 17-3 can be effectively prevented from moving up and down, a limit block 17-6 is fixed on one side of the guide block 17-5 through a bolt, the motion slide block 17-3 can be effectively prevented from moving backwards, one side of the motion slide block 17-3 is connected with a third clamping block 17-4 through a bolt, a silica gel sheet 16 is adhered to the third clamping block 17-4, the silica gel sheet 16 can effectively seal an opening, the flexible lamination of the silica gel sheet 16 can seal the opening, the guide block 17-5 is fixedly arranged on the bottom plate 15, the first side plate 13-1 is fixedly arranged on one side of the bottom plate 15, the second side plate 13-2 is fixedly arranged on the other side of the bottom plate 15, and the tops of the first side plate 13-1 and the second side plate 13-2 are fixedly welded below the top plate 6.

The frame includes base 1, base 1 and the terminal fixed connection of a plurality of first support column 2, the top and the first frame 3 fixed connection of first support column 2, the terminal fixed connection of a plurality of second support column 4 in first frame 3 top, the top and the second frame 5 fixed connection of second support column 4, first frame 3 and second frame 5 are "mouthful" font, enclose by the tubular metal resonator of a plurality of cuboid and close the welding.

The center position top of base 1 is equipped with the cylinder 22 of bolt fastening, the piston rod top and the ring flange 21 grafting of cylinder 22 are fixed, ring flange 21 top and backup pad 20 bolt fastening, the backup pad 20 top is equipped with water tank 19, water tank 19 top is equipped with the opening, water tank 19 bottom and backup pad 20 bolt fastening, the box of water tank 19 is less than the opening of first frame 3, and water tank 19 can reciprocate in the opening of first frame 3, the open-top of water tank 19 is greater than bottom plate 15, and when the assembly, water tank 19 can be with bottom plate 15, hold-down mechanism, survey towards mechanism 17 and foundry goods 18 all submerge.

The pressing mechanism comprises a first clamping block 11, the upper portion of the first clamping block 11 is fixed with a lower pressing plate 10 through bolts, a silica gel sheet 16 is adhered to the bottom of the first clamping block 11, the first clamping block 11 is movably connected with a guide rod 12 in a penetrating mode, the tail end of the guide rod 12 is fixedly connected with a second clamping block 14, the silica gel sheet 16 is adhered to the top of the second clamping block 14, and the second clamping block 14 is fixedly installed on a bottom plate 15.

The casting 18 to be detected is placed above the silica gel sheet 16 on the second clamping block 14, the casting 18 to be detected is of a three-way structure, and openings are arranged on the upper side, the lower side and the right side.

As shown in fig. 3, the lower part of the cutter driving block 17-1 is an inverted triangle block, the cutter driving block 17-1 is mutually matched with the moving slide block 17-3, when the cutter driving block 17-1 moves downwards, the inclined surface of the cutter driving block is mutually matched with the moving slide block 17-3, and then the moving slide block 17-3 is pushed to move leftwards, so that the silica gel sheet 16 is attached and sealed with the opening on the right side of the casting 18.

One end of the telescopic air duct 9 is in threaded connection with an air outlet of the inflator pump 8, the other end of the telescopic air duct 9 penetrates through the lower pressing plate 10, the first clamping block 11 and the silica gel sheet 16 to be in threaded connection with an inflator, a through hole is formed in the lower pressing plate 10, through holes are formed in the center positions of the first clamping block 11 and the silica gel sheet 16, and the inflator on the assembly can seal the through holes by using rubber rings to prevent air leakage of the through holes.

In the use process of the utility model, the casting 18 to be detected is placed above the silica gel sheet 16 stuck by the second clamping block 14, the pressurizing cylinder 7 is started, the pressing mechanism and the punching mechanism 17 start to move, the first clamping block 11 is pressed downwards to block the upper opening and the lower opening of the sealing casting 18, the slotting tool driving block 17-1 moves downwards to drive the moving sliding block 17-3 to move leftwards to block the right opening of the sealing casting 18. At this time, the upper and lower openings and the right opening of the casting 18 are sealed and blocked, the cylinder 22 is started to lift the water tank 19 filled with the liquid upwards, when the liquid in the water tank 19 floods the casting 18, the inflator pump 8 is started again to inflate the inside of the sealed casting 18, and the pressure gauge and the water surface of the water tank 19 are observed for a period of time. In the first scene, when the pointer of the pressure gauge moves or the liquid in the water tank 19 bubbles, the casting 18 is indicated to leak air, and the product is detected to be unqualified; scene two, when the pointer of the pressure gauge does not move or the liquid in the water tank 19 does not bubble, the casting 18 is good in air tightness, and the detection product is qualified; the automatic airtight detection machine for the box blanks can realize the airtight detection of the tee opening castings 18, is double detection, and ensures the accuracy and efficiency of detecting the product airtight.

The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides an automatic airtight detection machine of box blank, includes frame and flexible air duct (9), its characterized in that: the upper bolt of the frame is used for fixing the top plate (6), the upper bolt of the top plate (6) is used for fixing the pressurizing cylinder (7) and the air pump (8), a piston rod of the pressurizing cylinder (7) penetrates through the top plate (6) and is fixedly connected with the lower pressing plate (10), one side of the lower pressing plate (10) is provided with a pressing mechanism, the other side of the lower pressing plate is provided with a punching mechanism (17), the punching mechanism (17) comprises a slotting cutter driving block (17-1), the slotting cutter driving block (17-1) is fixed below the lower pressing plate (10) through bolts, a moving sliding block (17-3) is arranged below the slotting cutter driving block (17-1), the moving sliding block (17-3) is assembled on the guide block (17-5), a spring (17-51) is arranged at a matched splicing position of the guide block (17-5) and is connected with the limiting piece (17-2) through bolts above the guide block (17-5), one side of the guide block (17-5) is used for fixing a limiting block (17-6) through bolts, the moving sliding block (17-3) is fixedly connected with the third clamping block (17-4) through bolts on the third clamping block (17-4), the novel structure is characterized in that a first side plate (13-1) is fixedly arranged on one side of the bottom plate (15), a second side plate (13-2) is fixedly arranged on the other side of the bottom plate (15), and the tops of the first side plate (13-1) and the second side plate (13-2) are welded and fixed below the top plate (6).

2. The automatic airtight inspection machine for a box blank according to claim 1, wherein: the frame comprises a base (1), the base (1) is fixedly connected with the tail ends of a plurality of first support columns (2), the top ends of the first support columns (2) are fixedly connected with a first frame (3), the upper parts of the first frame (3) are fixedly connected with the tail ends of a plurality of second support columns (4), the tops of the second support columns (4) are fixedly connected with a second frame (5), and the first frame (3) and the second frame (5) are in a shape of a Chinese character 'kou', and are welded by the metal tubes of a plurality of cuboids in a surrounding mode.

3. An automatic airtight inspection machine for a box blank according to claim 2, wherein: the utility model discloses a water tank, including base (1), flange (21), support plate (20), water tank (19) bottom, support plate (20) bolt fastening, the box of water tank (19) is less than the opening of first frame (3), the open-top of water tank (19) is greater than bottom plate (15), the central point of base (1) put top and is equipped with bolt fastening's cylinder (22), the piston rod top and the flange (21) grafting of cylinder (22) are fixed, flange (21) top and support plate (20) bolt fastening, support plate (20) top is equipped with water tank (19), water tank (19) bottom and support plate (20) bolt fastening, the box of water tank (19) is less than the opening of first frame (3).

4. The automatic airtight inspection machine for a box blank according to claim 1, wherein: the pressing mechanism comprises a first clamping block (11), the upper portion of the first clamping block (11) is fixed with a lower pressing plate (10) through bolts, a silica gel sheet (16) is adhered to the bottom of the first clamping block (11), the first clamping block (11) is in penetrating and movable connection with a guide rod (12), the tail end of the guide rod (12) is fixedly connected with a second clamping block (14), the silica gel sheet (16) is adhered to the top of the second clamping block (14), and the second clamping block (14) is fixedly installed on a bottom plate (15).

5. The automatic airtight inspection machine for a box blank according to claim 4, wherein: and a casting (18) to be detected is placed above the silica gel sheet (16) adhered by the second clamping block (14).

6. The automatic airtight inspection machine for a box blank according to claim 1, wherein: the lower part of the slotting tool driving block (17-1) is an inverted triangle block, and the slotting tool driving block (17-1) and the moving sliding block (17-3) are mutually matched.

7. The automatic airtight inspection machine for a box blank according to claim 1, wherein: one end of the telescopic air duct (9) is in threaded connection with an air outlet of the air pump (8), the other end of the telescopic air duct (9) penetrates through the lower pressing plate (10), the first clamping block (11) and the silica gel sheet (16) to be in threaded connection with an air charging nozzle, a through hole is formed in the lower pressing plate (10), and through holes are formed in the center positions of the first clamping block (11) and the silica gel sheet (16).