CN217276734U

CN217276734U - Indirect type gas detection mechanism

Info

Publication number: CN217276734U
Application number: CN202123121377.7U
Authority: CN
Inventors: 郭华
Original assignee: Kunshan Kanghua Automation Technology Co ltd
Current assignee: Kunshan Kanghua Automation Technology Co ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-08-23
Anticipated expiration: 2031-12-08

Abstract

The utility model discloses an indirect type gas detection mechanism belongs to gas detection technical field. The clamp comprises a clamp seat as a placement end of a gas detection mechanism, a clamp head for fixing a workpiece and a gas tank for indirectly detecting the gas tightness of the workpiece, wherein the clamp head and the gas tank are symmetrically arranged in the middle of the clamp seat in a front-back mode, the clamp seat comprises a seat plate welded at the lower end of the clamp seat, the upper surface of the seat plate is respectively fixedly connected with the clamp head and the gas tank, an inner cavity is formed in the gas tank in a slotted mode, an interface pipe is arranged at the upper end of the gas tank in a through mode, a solenoid valve is embedded in the back of the gas tank, the indirect gas detection of the workpiece is met through a set cylinder and the gas tank arranged in a combined mode, the specific detection of the workpiece is carried out by comparing the air pressure value of the air chamber filled by the cylinder with the air pressure value of the workpiece filled by the cylinder, the workpiece is not needed to disassemble and assemble the workpiece in the detection process, and the problems that the existing detection mechanism is low in applicability, high in operation difficulty of gas detection and low in practicability are solved.

Description

Indirect type gas detection mechanism

Technical Field

The utility model relates to a gas detection technical field, concretely relates to indirect gas detection mechanism, the work piece that specially adapted required the gas tightness strictly detects.

Background

In the existing mechanical manufacturing industry, when a plurality of machine tools are connected into an automatic line, whether a workpiece is pressed in place or not is detected, the workpiece needs to be detected, and the air tightness detection is commonly used;

however, the existing equipment and device for detecting the air tightness of the workpiece generally need to disassemble the single workpiece, and the detection work of the workpiece is completed by using air detection methods such as a bubble method, a pressure drop method, a flow method and the like, the air detection work needs to have professional knowledge, meanwhile, the operation difficulty of the air detection work is improved by disassembling and assembling the workpiece to be detected, the applicability is low, the front and back disassembly and assembly influence the air tightness of the combination between the workpieces, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims at the above-mentioned problem, provide indirect formula gas detection mechanism, the air tank that sets up through the cylinder that sets up and combination satisfies in the indirect formula gas detection of work piece to the air pressure value that the cylinder fills the air cavity compares with the air pressure value that it fills the work piece and carries out specific detection to the work piece, and the testing process need not the dismouting work piece, and convenient and fast has solved current detection mechanism suitability lower, and the gas detection work operation degree of difficulty is higher, the lower problem of practicality.

In order to achieve the above purpose, the utility model adopts the technical proposal that: the indirect gas detection mechanism comprises a clamping seat serving as a placing end of the gas detection mechanism, a clamping head for fixing a workpiece and a gas box for indirectly detecting the gas tightness of the workpiece, wherein the clamping head and the gas box are symmetrically arranged in the middle of the clamping seat in a front-back manner, the clamping seat comprises a seat plate, the seat plate is welded at the lower end of the clamping seat, the upper surface of the seat plate is fixedly connected with the clamping head and the gas box respectively, an inner cavity is formed in the gas box in a groove, a connector pipe is arranged at the upper end of the gas box in a penetrating manner, and an electromagnetic valve is embedded in the back of the gas box;

furthermore, the air cylinder device also comprises air cylinders symmetrically arranged at the left end and the right end of the air box, an air pipe is arranged between the air cylinders and the air box in a penetrating manner, and a side air cavity is arranged at the groove at the joint of the air pipe and the air box.

Further, the chuck includes the convex seat, the convex seat scarf joint in the chuck upper end, the trompil of convex seat upper end is provided with the screw socket.

Furthermore, the air box comprises two side air cavities and a main air cavity, the main air cavity and the side air cavities are mutually independent, and the upper ends of the main air cavities are communicated with the interface tube.

Furthermore, a barometer is arranged between the main air cavity and the side air cavity and is respectively communicated with the main air cavity and the side air cavity through pipelines.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages: the utility model discloses mechanism is examined to indirect-type gas, main through the setting up gas tank with it, the side air cavity satisfies in the work piece, fills high-pressure gas's access, utilizes the barometer to detect the pressure differential contrast between main, side air cavity to survey out the gas tightness of work piece, the operation is automatic to be accomplished and need not the dismouting work piece, has improved the suitability of mechanism.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the side view internal structure of the present invention.

Fig. 3 is a schematic view of the internal structure of the gas tank of the present invention.

In the attached drawing, 1-clamp seat, 2-cylinder, 3-seat plate, 4-clamp, 5-air pipe, 6-air box, 7-electromagnetic valve, 8-interface tube, 9-convex seat, 10-side air cavity, 11-barometer and 12-main air cavity.

Detailed Description

In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.

As shown in fig. 1 to fig. 3, the indirect gas detection mechanism comprises a holder 1 as a placement end of the gas detection mechanism, a chuck 4 for fixing a workpiece, and a gas tank 6 for indirectly detecting the gas tightness of the workpiece, wherein the chuck 4 and the gas tank 6 are symmetrically arranged in the middle of the holder 1 in a front-back manner, the holder 1 is a support base of the whole device mechanism assembly, in order to meet the placement of the holder 1, the holder 1 comprises a seat plate 3, the seat plate 3 is welded at the lower end of the holder 1, the upper surface of the seat plate 3 is respectively fixedly connected with the chuck 4 and the gas tank 6, the connection structure strength of the mechanism is enhanced by the fixation of the seat plate 3 with the chuck 4 and the gas tank 6, meanwhile, an inner cavity is arranged in a groove in the gas tank 6, a connector tube 8 is arranged at the upper end of the gas tank 6 in a penetrating manner, an electromagnetic valve 7 is embedded at the back of the gas tank 6, the mechanism further comprises cylinders 2 symmetrically arranged at the left and right ends of the gas tank 6, a gas pipe 5 is arranged between the cylinders 2 and the gas tank 6 in a penetrating manner, the joint of the air pipe 5 and the air box 6 is provided with a side air cavity 10 in a groove, an air detection person can utilize a pipeline to connect a workpiece connecting port with the interface pipe 8, wherein the valve port of the electromagnetic valve 7 is respectively connected with the interface pipe 8 and the air cylinder 2, the air detection process is determined by the opening and closing of the valve port of the electromagnetic valve 7, when high-pressure air enters the air box 6 through the air cylinder 2 and the air pipe 5, the air box 6 comprises two side air cavities 10 and a main air cavity 12, the main air cavity 12 and the side air cavities 10 are mutually independent, the upper end of the main air cavity 12 is communicated with the interface pipe 8, the high-pressure air introduced by the air cylinder 2 is filled into the side air cavities 10, a workpiece to be detected is filled into the main air cavity 12 along with the interface pipe 8, in order to meet the comparison detection requirement of the pressure difference between the main air cavity 12 and the side air cavities 10, a barometer 11 is arranged between the main air cavity 12 and the side air cavities 10, the barometer 11 is respectively connected with the main air cavity 12 and the side air cavities 10 through pipelines, the high-pressure gas sequentially filled into the main gas cavity 12 and the side gas cavity 10 can be used for detecting the pressure difference by the barometer 11.

In this embodiment, chuck 4 includes convex base 9, and convex base 9 is rabbeted in chuck 4 upper end, and the trompil in convex base 9 upper end is provided with the screw socket, and chuck 4 that sets up extends for holder 1 and places the station to the gas detection personnel insert the work piece that awaits measuring into convex base 9 screw socket and fix, conveniently carry out the gas detection with work piece separation and mechanism, have improved the suitability of gas detection mechanism.

Here, the upper, lower, left, right, front, and rear represent only relative positions thereof and do not represent absolute positions thereof. The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims

1. Indirect type gas detection mechanism, it includes holder (1) as gas detection mechanism placement end, fixed work piece is with chuck (4) and be used for indirect gas tank (6) that detect the work piece gas tightness, chuck (4) are around being symmetry with gas tank (6) and set up in holder (1) middle part, its characterized in that: the clamp holder (1) comprises a seat plate (3), the seat plate (3) is welded at the lower end of the clamp holder (1), the upper surface of the seat plate (3) is fixedly connected with a chuck (4) and an air box (6) respectively, an inner cavity is formed in the air box (6) in a groove mode, a connector pipe (8) is arranged at the upper end of the air box (6) in a penetrating mode, and an electromagnetic valve (7) is embedded in the back face of the air box (6).

2. The indirect-type gas detection mechanism of claim 1, wherein: the air cylinder is characterized by further comprising air cylinders (2) symmetrically arranged at the left end and the right end of the air box (6), an air pipe (5) is arranged between the air cylinders (2) and the air box (6) in a penetrating mode, and a side air cavity (10) is arranged in a groove at the joint of the air pipe (5) and the air box (6).

3. The indirect-type gas detection mechanism of claim 1, wherein: the chuck (4) comprises a convex seat (9), the convex seat (9) is embedded in the upper end of the chuck (4), and a screw is arranged on the upper end of the convex seat (9).

4. The indirect-type gas detection mechanism of claim 1, wherein: the air box (6) comprises two side air cavities (10) and a main air cavity (12), the main air cavity (12) and the side air cavities (10) are mutually independent, and the upper end of the main air cavity (12) is communicated with the mouthpiece (8).

5. The indirect-type gas detection mechanism of claim 4, wherein: an air pressure meter (11) is arranged between the main air cavity (12) and the side air cavity (10), and the air pressure meter (11) is communicated with the main air cavity (12) and the side air cavity (10) through pipelines respectively.