CN213481650U

CN213481650U - Air tightness detection device

Info

Publication number: CN213481650U
Application number: CN202022020348.0U
Authority: CN
Inventors: 康海波; 徐富通; 孙立权; 邵映丹
Original assignee: Hunan Jiyongsheng Auto Parts Co ltd
Current assignee: Hunan Jiyongsheng Auto Parts Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-06-18
Anticipated expiration: 2030-09-15

Abstract

The utility model discloses an air tightness detection device, including workstation, carousel and closing device. The rotary table is rotatably arranged on the workbench, a plurality of bearing pieces used for placing workpieces to be detected are arranged on the rotary table, an inner groove is formed in each bearing piece, and an air inlet hole penetrating through each bearing piece is formed in the bottom of each inner groove; the pressing device is arranged on the workbench corresponding to the turntable and used for pressing the workpiece. The device has a simple structure, and the detection accuracy can be improved by using the pressing device and the bearing piece in a matched manner compared with the existing method; and through setting up rotatable carousel, set up a plurality of carriers on the carousel, realize line production, promote degree of automation.

Description

Air tightness detection device

Technical Field

The utility model relates to an airtight detection technical field of car work piece, in particular to gas tightness detection device.

Background

In the existing production, most of parts of motor vehicles such as automobiles are formed by die casting, however, the die casting is easy to have quality defects such as air holes, looseness, cracks and the like, and the subsequent use value is seriously affected, so after the die casting is formed, the air tightness detection of the die casting is generally needed. Generally, the method for detecting the air tightness of the die casting is to directly place the die casting in a die and then inflate an opening and closing part to detect the air leakage condition, and the method generally has the defects that the detection accuracy is influenced due to poor tightness of a product and the die and the automation degree is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an airtightness detection device, include:

a work table;

the rotary table is rotatably arranged on the workbench, a plurality of bearing pieces used for placing workpieces to be detected are arranged on the rotary table, an inner groove is formed in each bearing piece, and an air inlet hole penetrating through each bearing piece is formed in the bottom of each inner groove;

and the pressing device is arranged on the workbench corresponding to the turntable and is used for pressing the workpiece.

According to the utility model discloses an embodiment has following technological effect at least:

the device has a simple structure, and the detection accuracy can be improved by using the pressing device and the bearing piece in a matched manner compared with the existing method; and this device is provided with rotatable carousel, sets up a plurality of carriers on the carousel, can realize the line production, promotes degree of automation.

According to the utility model discloses a some embodiments, closing device includes the support frame, pushes down cylinder and briquetting, the bottom of support frame is fixed in on the workstation, push down the cylinder set up in the top of support frame, the briquetting with push down the output of cylinder and connect.

According to some embodiments of the present invention, the turntable is provided with a plurality of through holes penetrating through the turntable, and the bearing member is movably mounted in the through holes; the carousel is in every the below of through-hole all is provided with the jacking cylinder, the output of jacking cylinder with the bottom that holds carrier is connected.

According to some embodiments of the utility model, the lateral wall that holds the thing is provided with the lug, the through-hole lateral wall be provided with the recess of lug looks adaptation.

According to some embodiments of the utility model, the gas tightness detects anchor clamps and still is provided with blowing device and discharge apparatus, blowing device and discharge apparatus all correspond the carousel set up in on the workstation.

According to some embodiments of the utility model, blowing device and discharge apparatus are the arm.

According to some embodiments of the invention, the bearing part is provided with a sealing gasket on the upper end face.

According to some embodiments of the utility model, pass through bolted connection between support frame and the workstation.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic top view of an air-tightness detecting device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an air-tightness detecting device according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a pressing device according to an embodiment of the present invention;

description of reference numerals:

100. a work table; 200. a turntable; 210. a carrier; 211. an inner tank; 212. an air inlet; 220. a through hole; 230. a rotating shaft; 300. a pressing device; 310. a support frame; 320. pressing down the air cylinder; 330. briquetting; 400. a discharging mechanical arm; 500. unloading arm.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, an embodiment of the present invention provides an air tightness detecting device, which includes a worktable 100, a turntable 200, and a pressing device 300. The turntable 200 is rotatably disposed on the worktable 100, and in this embodiment, a rotating shaft 230 is disposed at the middle of the turntable 200, and one end of the rotating shaft 230 is driven by a motor (not shown) disposed inside the worktable 100. Four carriers 210 for placing workpieces are arranged on the turntable 200, in the present embodiment, the carriers 210 are fixedly mounted on the turntable 200, the edges of the carriers 210 protrude upward, an inner groove 211 is formed in the middle, and air inlet holes 212 penetrating through the carriers 210 are arranged at the bottom of the inner groove 211, it should be noted that the shapes of the carriers 210 can be different according to the shapes of the workpieces, and a circular carrier 210 is taken as an example in this application. The pressing device 300 is disposed on the worktable 100 and has a position matched with that of the turntable 200, and the pressing device 300 is used for pressing the workpiece placed on the carrier 210. It should be noted that, in this embodiment, the air inlet hole 212 may be inflated by an air pump and an air inlet pipe, and an air pressure sensor is disposed in the air inlet hole 212 to detect the air tightness of the workpiece, which will not be described in detail herein.

The working process of the air tightness detection device provided by the embodiment is as follows:

the device is suitable for a workpiece with one end being an open or provided with a hole, the workpiece is placed on the bearing piece 210 with the open end or the end provided with the hole facing downwards, the rotary table 200 rotates to move the workpiece to a set position, the rotary table 200 stops rotating, the pressing device 300 is started to press the workpiece, the workpiece is inflated through the air inlet hole 212, air tightness detection is achieved, after detection is completed, the pressing device 300 is retracted, the rotary table 200 rotates, and detection continues to be performed on the next workpiece.

Referring to fig. 1 to 3, an embodiment of the present invention provides an air tightness detecting device, which includes a workbench 100, a turntable 200, a pressing device 300, a discharging arm 400, and a discharging arm 500. The turntable 200 is rotatably arranged on the workbench 100, four detection stations are arranged on the turntable 200, and the detection stations are through holes 220 which vertically penetrate through the turntable 200; the turntable 200 is provided with a bearing member 210 in each through hole 220, in this embodiment, the side wall of the bearing member 210 is provided with a protrusion (not shown in the figure), the side wall of the through hole 220 is provided with a groove (not shown in the figure) matched with the protrusion, the bearing member 210 can vertically move in the through hole 220 through the matching of the protrusion and the groove, and no transverse dislocation occurs, a jacking cylinder (not shown in the figure) is arranged below each groove and is used for driving the bearing member 210 to vertically move in the through hole 220, the design aims to match with the pressing device 300, the pressing of the workpiece is realized from the up-down direction, and the adjustment of the pressing degree of the workpiece is improved. The edge of the carrier 210 protrudes upwards, the protruding portion is provided with a sealing gasket (not shown) for improving the sealing effect with the workpiece, an inner groove 211 is formed in the middle of the carrier 210, and an air inlet hole 212 penetrating through the carrier 210 is formed at the bottom of the inner groove 211. The pressing device 300 comprises a support frame 310, a downward pressing cylinder 320 and a pressing block 330, wherein the bottom of the support frame 310 is installed on the workbench 100 through bolts, so that the disassembly and maintenance are convenient; the pressing cylinder 320 is arranged on the top of the supporting frame 310, and the pressing block 330 is connected with the output end of the pressing cylinder 320. The discharging mechanical arm 400 and the discharging mechanical arm 500 are both mounted at the side of the workbench 100, the discharging mechanical arm 400 is used for placing workpieces on the bearing part 210, and the discharging mechanical arm 500 is used for taking out the workpieces after detection, so that full automation of workpiece airtightness detection is realized.

the workpiece is placed on the bearing piece 210 through the discharging mechanical arm 400 with one open end or one open end facing downwards, the rotary table 200 rotates, the workpiece is moved to a set position, the rotary table 200 stops rotating, the pressing cylinder 320 is started and pushed up, the workpiece is compressed, high-pressure gas enters the air inlet hole 212, the workpiece is subjected to air tightness detection, after the detection is completed, the compressing device 300 is retracted, the rotary table 200 rotates, the workpiece after the detection is completed moves to the set position, and the discharging mechanical arm 500 takes the workpiece down. And continuously detecting the next workpiece.

The air tightness detection device provided by the embodiment has the following beneficial effects:

the device has a simple structure, and the detection accuracy can be improved by using the pressing device and the bearing piece in a matched manner compared with the existing method; and through setting up blowing arm, the arm of unloading and rotatable carousel, set up a plurality of carriers on the carousel, realize the full automatization of gas tightness testing process.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An airtightness detection apparatus, comprising:

a table (100);

the rotary table (200) is rotatably arranged on the workbench (100), a plurality of bearing pieces (210) for placing workpieces to be detected are arranged on the rotary table (200), an inner groove (211) is arranged on each bearing piece (210), and an air inlet hole (212) penetrating through each bearing piece (210) is formed in the bottom of each inner groove (211);

the pressing device (300) is arranged on the workbench (100) corresponding to the turntable (200) and is used for pressing the workpiece.

2. The airtightness detection apparatus according to claim 1, wherein the pressing device (300) includes a support frame (310), a pressing cylinder (320), and a pressing block (330), a bottom of the support frame (310) is fixed to the worktable (100), the pressing cylinder (320) is disposed at a top of the support frame (310), and the pressing block (330) is connected to an output end of the pressing cylinder (320).

3. The airtightness detection apparatus according to claim 2, wherein the turntable (200) is provided with a plurality of through holes (220) penetrating through the turntable (200), and the bearing member (210) is movably installed in the through holes (220); carousel (200) are in every the below of through-hole (220) all is provided with the jacking cylinder, the output of jacking cylinder with the bottom that holds carrier (210) is connected.

4. The tightness detection device according to claim 3, wherein a side wall of the carrier (210) is provided with a protrusion, and a side wall of the through hole (220) is provided with a groove adapted to the protrusion.

5. The airtightness detection apparatus according to claim 3, wherein the airtightness detection jig is further provided with a discharge device and a discharge device, and both the discharge device and the discharge device are disposed on the table (100) in correspondence with the turntable (200).

6. The airtightness detection apparatus according to claim 5, wherein the discharge device and the discharge device are both mechanical arms.

7. The tightness detection device according to claim 1, wherein a gasket is provided on an upper end surface of the carrier (210).

8. The air tightness detecting device according to claim 2, wherein the supporting frame (310) is connected with the working table (100) through bolts.