CN212577341U

CN212577341U - Automatic cap sealing device for gas sensor

Info

Publication number: CN212577341U
Application number: CN202021384728.6U
Authority: CN
Inventors: 陈凌飞; 张书城; 王风鸣; 董纪桢
Original assignee: Zhengzhou Meixin Automation Technology Co ltd
Current assignee: Zhengzhou Meixin Automation Technology Co ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-02-23
Anticipated expiration: 2030-07-14

Abstract

The utility model provides an automatic capping device for a gas sensor, which comprises a capping machine body, a base arranged on the capping machine, and a stamping mechanism correspondingly arranged on the upper part of the base, wherein the base is provided with a stamping groove corresponding to the sensor, a mould structure is arranged in the stamping groove, and the automatic capping device also comprises a stamping end head which is detachably arranged on the stamping mechanism through a connecting piece; the bottom of the stamping end head is provided with a positioning groove corresponding to the cap body of the sensor, a connecting mechanism is arranged in the positioning groove corresponding to the solid part of the cap body of the sensor, and a control mechanism is further arranged on the stamping end head and controls the connecting mechanism to be connected. The automatic cap sealing device for the gas sensor has the advantages of high yield and convenience in use.

Description

Automatic cap sealing device for gas sensor

Technical Field

The utility model belongs to the technical field of electrochemistry gas sensor's production and specifically relates to an automatic sealing cap device for gas sensor has been related to.

Background

An Electrochemical gas sensor (Electrochemical gas sensor) is a detector that measures a current by oxidizing or reducing a gas to be measured at an electrode, and obtains a concentration of the gas to be measured. An electrochemical gas sensor generally includes a base 32, an electrode 33, a detection body 34, and a cap 31, as shown in fig. 1, the detection body 34 is disposed on the base 32 via the electrode 33, the cap 31 is disposed on the base 33 to protect the detection body 34, and the cap 31 generally has an air inlet. Some existing sensors with metal caps need to be packaged on a base by a cap sealing device, that is, the lower portion of the cap is pressed and deformed to be fastened to the bottom edge of the base (e.g., the bottom of the cap in the right side view of fig. 1). At present, a base provided with a detection body is generally placed on a base of a cap sealing machine, a stamping groove on cap sealing equipment and a die structure in the stamping groove have a positioning effect on the base of a sensor, then a worker covers a cap body on the base, and operates a stamping mechanism of the cap sealing machine to stamp the cap body, so that the cap body is pressed and fixed on the base, and meanwhile, the die on the base deforms the bottom of the cap body to form an inward shrinkage and fastening on the base. However, in the mode, due to manual operation, when the cap body is placed to be inclined, the sealing cap and even the sensor can be damaged in the cap sealing process by stamping, and the defective rate is high.

Disclosure of Invention

In order to solve the problem existing in the background art, the utility model provides an automatic sealing cap device for gas sensor.

An automatic cap sealing device for a gas sensor comprises a cap sealing machine body, a base arranged on the cap sealing machine, a stamping mechanism correspondingly arranged on the upper part of the base, a stamping groove arranged on the base and corresponding to the sensor, and a die structure arranged in the stamping groove, and further comprises a stamping end head, wherein the stamping end head is detachably arranged on the stamping mechanism through a connecting piece; the bottom of the stamping end head is provided with a positioning groove corresponding to the cap body of the sensor, a connecting mechanism is arranged in the positioning groove corresponding to the solid part of the cap body of the sensor, and a control mechanism is further arranged on the stamping end head and controls the connecting mechanism to be connected.

Based on the above, the connecting mechanism comprises a sucker, a hose and an air chamber, the air chamber is arranged in the stamping end head, a through hole is formed in the middle of the sucker, and the air chamber is communicated with the through hole through the hose; the control mechanism is arranged on the air chamber.

Based on the above, the control mechanism comprises a spring, a plug head and a pressing rod, wherein one side of the plug head is arranged in an air chamber through the spring, one end of the pressing rod is arranged at the center of the other side of the plug head, the air chamber is provided with an air hole communicated with the outside, and the other end of the pressing rod penetrates through the air hole to be arranged outside the air chamber; and a sealing gasket is arranged on the other side of the plug head corresponding to the air hole.

Based on the above, the connecting piece is a thread.

The utility model discloses relative prior art has substantive characteristics and progress, specific theory, the utility model discloses a shape that corresponds the sensor cap body on the punching press end sets up the constant head tank to set up coupling mechanism and control mechanism in the constant head tank, convenient direct with the cap body temporary fixation on the punching press end, it is that the constant head tank also avoids the cap body crooked to correspond cap body shape setting, can fully improve the yields, its advantage that has the yields height, convenient to use.

Drawings

Fig. 1 is a schematic structural diagram of the present sensor of the present invention.

Fig. 2 is a schematic structural view of the stamping end of the present invention.

Fig. 3 is a schematic structural diagram of the control structure of the present invention.

In the figure: 1. punching an end head; 2. positioning a groove; 3. a suction cup; 4. a hose; 5. an air chamber; 6. a spring; 7. a plug head; 8. a pressing lever; 9. a thread; 10. a sealing gasket; 11. a limiting column; 31. a cap body; 32. a base; 33. an electrode; 34. the body is detected.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.

As shown in fig. 2 and 3, an automatic capping device for a gas sensor comprises a capping machine body, a base arranged on the capping machine, and a stamping mechanism correspondingly arranged on the upper part of the base, wherein a stamping groove is arranged on the base corresponding to the sensor, a die structure is arranged in the stamping groove, the automatic capping device also comprises a stamping end head 1, and the stamping end head 1 is detachably arranged on the stamping mechanism through a connecting piece; the bottom of the stamping end 1 is provided with a positioning groove 2 corresponding to the cap body of the sensor, a connecting mechanism is arranged in the positioning groove 2 corresponding to the solid part of the cap body of the sensor, and the stamping end 1 is further provided with a control mechanism which controls the connecting mechanism.

During the use, put into the punching press inslot on the sealing cap machine body base with the base of sensor back, will put into the cap body of constant head tank 2 through coupling mechanism and temporarily fix, the work of sealing cap machine body is and pass through punching press mechanism with the cap body lock on the sensor base, and the mould of cooperation punching press inslot makes the inside throat of cap body bottom, accomplishes the sealing cap. In this embodiment, the connecting piece is screw thread 9, and the punching mechanism and the punching head 1 are connected through screw thread, so that different punching heads 1 can be conveniently replaced according to different sensor types.

Specifically, the connecting mechanism comprises a sucker 3, a hose 4 and an air chamber 5, the air chamber 5 is arranged in the stamping end head 1, a through hole is formed in the middle of the sucker 3, and the air chamber 5 is communicated with the through hole through the hose 4; the control mechanism is arranged on the air chamber 5. Because the gas sensor needs to have gas to get into inside, the cap body is provided with the air inlet, and the entity portion of the cap body refers to the position on the cap body that is not the air inlet. After the cap body is placed in the positioning groove 2, the cap body is pressed to enable the sucking disc 3 to adsorb the cap body in the positioning groove 2, so that the cap body is temporarily fixed.

The control mechanism comprises a spring 6, a plug head 7 and a pressing rod 8, one side of the plug head 7 is arranged in the air chamber 5 through the spring 6, one end of the pressing rod 8 is arranged at the center of the other side of the plug head 7, an air hole communicated with the outside is formed in the air chamber 5, and the other end of the pressing rod 8 penetrates through the air hole and is arranged outside the air chamber 5; and a sealing gasket 10 is arranged on the other side of the plug head 7 corresponding to the air hole. In practice, be provided with spacing pipe in the air chamber 5, be provided with spacing post 11 on the chock plug 7, spacing post 11 slides and sets up in spacing intraductally, and spacing post 11 passes through spring 6 and sets up in spacing intraductally, and spacing post 11, spacing pipe and spring 6's cooperation is convenient for the axial displacement of chock plug 7 along spacing post 11. After the completion cap sealing, extrusion pressing rod 8 is with extrusion spring 6, chock plug 7 and pore separation, and 3 inside hoses 4 and the air chamber 5 intercommunication of sucking disc are external, and sucking disc 3 loses suction promptly, and sucking disc 3 can be with the light separation of the cap body. After the pressing rod 8 is loosened, the plug 7 is pressed on the air hole through the sealing washer 10 under the action of the elastic force of the spring 6, so that air tightness is formed on the air hole, and the sucking disc 3 can conveniently adsorb the cap body. In this embodiment, the sealing washer 10 is a rubber washer or a silicone washer.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an automatic capping device for gas sensor, includes the capping machine body, sets up the base on the capping machine and corresponds the punching press mechanism that sets up on base upper portion, corresponds the sensor on the base and is provided with the punching press groove, is provided with the mould structure in the punching press inslot, its characterized in that: the stamping mechanism is characterized by also comprising a stamping end head, wherein the stamping end head is detachably arranged on the stamping mechanism through a connecting piece; the bottom of the stamping end head is provided with a positioning groove corresponding to the cap body of the sensor, a connecting mechanism is arranged in the positioning groove corresponding to the solid part of the cap body of the sensor, and a control mechanism is further arranged on the stamping end head and controls the connecting mechanism to be connected.

2. The automatic capping device for gas sensors according to claim 1, wherein: the connecting mechanism comprises a sucker, a hose and an air chamber, the air chamber is arranged in the stamping end, a through hole is formed in the middle of the sucker, and the air chamber is communicated with the through hole through the hose; the control mechanism is arranged on the air chamber.

3. The automatic capping device for gas sensors according to claim 2, wherein: the control mechanism comprises a spring, a plug head and a pressing rod, one side of the plug head is arranged in an air chamber through the spring, one end of the pressing rod is arranged at the center of the other side of the plug head, the air chamber is provided with an air hole communicated with the outside, and the other end of the pressing rod penetrates through the air outlet chamber through the air hole; and a sealing gasket is arranged on the other side of the plug head corresponding to the air hole.

4. The automatic capping device for gas sensors according to claim 1, wherein: the connecting piece is a thread.