Gas sealing equipment

Abstract

A plurality of positioning jigs are arranged on a machine table and used for positioning products, a gas circuit system comprises a gas supply pipeline, a vacuum pump and a gas filling bottle, the gas supply pipeline comprises a pipeline and a plurality of gas connectors, and the vacuum pump and the gas filling bottle are respectively connected with the pipeline. The pipeline is provided with a first control valve and a second control valve which respectively control the vacuum pump and the inflation bottle to be communicated with the pipeline, the ventilation structure comprises a lifting unit, a lifting plate and connectors, the lifting plate is arranged at the output end of the lifting unit, the multiple connectors are arranged on the lifting plate and communicated with the gas connector, and the connectors are communicated with a gas pipe of a product after being driven. The lifting unit drives the connector to be communicated with a product on the positioning jig, vacuumizing and cleaning of the interior of the product are achieved through cooperation of the vacuum pump and the air supply pipeline, and inert gas is filled into the product through cooperation of the gas filling bottle and the air supply pipeline. And the automation level and the working efficiency in the gas sealing process are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a gas sealing device technical field especially relates to a kind of gas sealing equipment. BACKGROUND

[0002] In some products, it needs to fill inert gas (such as argon, nitrogen, etc.) in its inside to ensure the atmosphere environment inside the whole product. Such as gas-filled lamp (3C product), to make the product can normally work, it needs to seal high-purity gas in the inside of product, to ensure the purity of gas, it needs to treat the inside of product to ensure the vacuum degree and cleanliness before sealing gas, and to improve efficiency, it needs to seal gas to multiple products simultaneously.

[0003] In prior art, such as the application number for 201921737586.4 a kind of precision gas distribution device, it is extracted vacuum by vacuum pump to finished product gas cylinder, ensure that finished product gas cylinder does not contain impurity gas, so that He gas enters finished product gas cylinder, and inject volatile gas, but the connection of its finished product gas cylinder and gas filling pipeline cannot be realized automation, especially when needing to seal gas to multiple products simultaneously, it will lead to operation efficiency reduction. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of gas sealing equipment, lifting unit drives multiple joints to be communicated with the product on multiple positioning jigs respectively, realize the vacuum extraction and cleaning in the inside of product by the cooperation of vacuum pump and gas supply pipeline, and realize the filling of inert gas in the inside of product by the cooperation of gas bottle and gas supply pipeline, improve the automation level and work efficiency in the process of sealing gas.

[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme: a kind of gas sealing equipment, including machine table, and:

[0006] Positioning jig, multiple positioning jigs are positioned on the machine table for positioning products,

[0007] Gas path system, including gas supply pipeline, vacuum pump and gas bottle, the gas supply pipeline includes pipeline, and multiple gas interfaces are arranged on the pipeline, the vacuum pump and gas bottle are connected with the pipeline respectively, the pipeline is equipped with first control valve and second control valve respectively for controlling the vacuum pump and gas bottle to be communicated with the pipeline,

[0008] Ventilation structure, including lifting unit, lifting plate and joint, the lifting unit is arranged on the machine table, and the output end is provided with the lifting plate, multiple joints are arranged on the lifting plate and communicated with the gas interface, the joint is communicated with the gas pipe of product after being driven.

[0009] As a further optimization, the pipeline comprises a main air pipe and a plurality of branch air pipes in communication with the main air pipe, two ends of the main air pipe are in communication with the vacuum pump and the gas cylinder respectively, and the branch air pipes are provided with the gas interfaces at the ends.

[0010] As a further optimization, the main air pipe is provided with two in an up-down and side-by-side manner.

[0011] As a further optimization, the first control valve and the second control valve are arranged on the main air pipe, and a manual control valve is further arranged on the branch air pipe.

[0012] As a further optimization, a proportional valve is further arranged on the gas feeding pipeline close to the gas cylinder, so that the pressure in the inflation process can be controlled.

[0013] As a further optimization, a guide sleeve is arranged on the lifting plate, a guide column is arranged on the machine table, and the guide column is embedded in the guide sleeve, so that the precision of the vertical movement of the lifting plate and the joint can be ensured, the joint can be accurately connected with the air pipe of the product, and the sealing performance after the connection can be ensured.

[0014] As a further optimization, the lifting unit is a lifting cylinder.

[0015] As a further optimization, the gas sealing device further comprises a heating assembly, the heating assembly comprises a bottom plate and a heating plate arranged on the bottom plate, the heating plate abuts against the positioning jig and / or the product, the volatilization of moisture in the product can be accelerated, and the vacuumizing efficiency can be accelerated in the vacuumizing state.

[0016] As a further optimization, the bottom plate is arranged on the machine table, the heating plate abuts against the bottom end of the positioning jig, and the positioning jig is made of aluminum or copper.

[0017] As a further optimization, a heat insulation layer is arranged between the bottom plate and the heating plate, so that the safety hazard of the device can be avoided.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] 1. The lifting unit drives a plurality of joints to be in communication with products on a plurality of positioning jigs respectively, and the internal vacuumizing and cleaning of the products and the filling of inert gas in the products are realized through the cooperation of the vacuum pump and the gas feeding pipeline and the cooperation of the gas cylinder and the gas feeding pipeline in sequence, so that the automation level and the working efficiency in the gas sealing process are improved.

[0020] 2. One set of gas feeding pipeline is connected with the vacuum pump and the gas cylinder respectively, so that the gas extraction action and the gas inflation action are realized, and the structure is simpler.

[0021] 3. In one particular embodiment, heating the product using a heating component and a positioning fixture capable of heat conduction helps to expel moisture and other substances from the product's interior, thereby improving vacuuming efficiency and cleanliness. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of this utility model.

[0023] Figure 2 This is a structural diagram of the gas path system of this utility model.

[0024] Figure 3 This is a structural diagram of the ventilation structure of this utility model.

[0025] Figure 4 This is a schematic diagram showing the connection between the ventilation structure of this utility model and the product.

[0026] Figure 5 This is a structural diagram of the heating component of this utility model. Detailed Implementation

[0027] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0028] like Figures 1 to 4 As shown, a gas sealing device includes a machine base 10, positioning fixtures 20, a gas path system 30, and a ventilation structure 40. Multiple positioning fixtures 20 are mounted on the machine base 10 for positioning and fixing the product 100. The gas path system 30 includes a gas delivery pipeline 31, a vacuum pump 32, and a gas filling cylinder 33. The gas delivery pipeline 31 includes a pipe 310 and multiple gas inlets 311 mounted on the pipe 310. The vacuum pump 32 and the gas filling cylinder 33 are respectively connected to the pipe 310. The pipe 310 is equipped with various gas inlets / outlets. The first control valve 312 and the second control valve 313 control the vacuum pump 32 and the gas cylinder 33 to connect to the pipeline 310. The ventilation structure 40 includes a lifting unit 41, a lifting plate 42 and a connector 43. The lifting unit 41 can be a lifting cylinder, which is set on the machine base 10 and has a lifting plate 42 at its output end. Multiple connectors 43 are set at the lower end of the lifting plate 42 and are connected to the gas interface 311 (directly or through a conduit). After being driven, the connectors 43 are connected to the gas pipe 101 of the product 100.

[0029] In the utility model, vacuum pump 32 and inflator bottle 33 are connected to two ends of gas delivery pipeline 31 respectively, namely vacuum pump 32 is connected to one end of pipeline 310, inflator bottle 33 is connected to the other end of pipeline 310, first control valve 312 arranged on one side of pipeline 310 controls whether vacuum pump 32 is communicated with pipeline 310 (namely whether communicated with gas interface 311), second control valve 313 arranged on the other side of pipeline 310 controls whether inflator bottle 33 is communicated with pipeline 310 (namely whether communicated with gas interface 311); multiple products 100 are placed on multiple positioning jigs 20 respectively, so that gas tube 101 (for example, gas tube 101 is copper, communicates the inside and outside of product 100 through it) with rigid structure on product 100 can be respectively aligned with multiple joints 43 at the lower end of lifting plate 42, when gas sealing operation is needed, lifting unit 41 drives lifting plate 42 to drive joint 43 to move downwards and communicate with gas tube 101, according to the set program, open first control valve 312 and close second control valve 313, vacuum pump 32 is communicated with pipeline 310, and the inside of product 100 is communicated through the communicated gas interface 311, joint 43 and gas tube 101, vacuum pump 32 can extract air, moisture and impurities in the inside of product 100 to realize the cleanliness and vacuum degree of the inside of product 100, after the vacuum extraction action is completed, open second control valve 313 and close first control valve 312, the inert gas (such as argon) in inflator bottle 33 is communicated with pipeline 310, and the inside of product 100 is communicated through the communicated gas interface 311, joint 43 and gas tube 101, inflator bottle 33 sends inert gas into the inside of multiple products 100, completes gas delivery action, second control valve 313 is closed to stop the delivery of inert gas, before joint 43 is driven and separated from gas tube 101, gas tube 101 can be clamped and flattened by manual or mechanical hand using tools to realize sealing, so that the gas is sealed in the inside of product 100. Of course, for the inert gas still remaining in gas delivery pipeline 31 after second control valve 313 is closed, to avoid gas spouting and escaping after joint 43 is separated from gas tube 101, it can be extracted from gas delivery pipeline 31 by opening first control valve 312 using vacuum pump 32.

[0030] The utility model discloses a lifting unit 41 drive multiple joints 43 respectively with the product 100 on multiple positioning fixtures 20 realizes intercommunication, realizes the vacuumization and cleaning (can make the high vacuum degree of ≤7Pa in pipeline to ensure the product 100 inside before filling gas the cleanliness) of product 100's inside through the cooperation of vacuum pump 32 and gas delivery pipeline 31 in turn and the cooperation of gas cylinder 33 and gas delivery pipeline 31 realizes the filling of inert gas in product 100's inside, improves the automation level and work efficiency in the process of sealing gas, and moreover, only through a set of gas delivery pipeline 31 can be connected with vacuum pump 32 and gas cylinder 33 respectively, can realize the gas extraction action, can also realize the gas filling action, need not multiple gas delivery pipeline connection, the structure is simpler, also can reduce the cost.

[0031] Preferably, the pipeline 310 includes a main gas pipe 31a and a plurality of branch gas pipes 31b connected to the main gas pipe 31a. The main gas pipe 31a is preferably arranged in an upper-lower side-by-side manner with two main gas pipes 31a for cooperating with the two layers of positioning fixtures 20 provided on the machine table 10. The two ends of the main gas pipe 31a are connected to the vacuum pump 32 and the gas cylinder 33, respectively. The branch gas pipes 31b are also provided in multiple numbers. The end of each branch gas pipe 31b is provided with a gas interface 311, which provides more gas interfaces 311 to cooperate with the joints 43 required by the two layers of positioning fixtures 20. Therefore, the gas extraction action and the gas filling action can be performed on multiple products 100 simultaneously to improve work efficiency.

[0032] Further, the first control valve 312 and the second control valve 313 are arranged on the main gas pipe 31a. In addition, a manual control valve can also be arranged on the branch gas pipe 31b to control the filling degree of the gas in the interiors of the products connected to the branch gas pipe 31b. This also facilitates the separate closing processing of the branch gas pipe 31b area when a fault occurs or maintenance is required, so as not to affect the normal work of other areas.

[0033] The side of the gas delivery pipeline 31 (pipeline 310) close to the gas cylinder 33 is also provided with a proportional valve, which can be used to adjust the pressure when filling inert gas.

[0034] To ensure that the joint 43 can be precisely connected with the gas pipe 101 of the product 100 to ensure air tightness when the lifting unit 41 operates, a guide sleeve 441 is arranged on the lifting plate 42, and a guide column 442 is arranged on the machine table 10. The guide column 442 is embedded in the guide sleeve 441 to ensure the precision of the vertical movement of the lifting plate 42 and the joint 43.

[0035] In combination Figure 5As shown, in another embodiment of the utility model, the gas sealing device further comprises a heating assembly 50, the heating assembly 50 comprises a bottom plate 51 and a heating plate 52 arranged on the bottom plate 51, the heating plate 52 is in abutment with the positioning jig 20 and / or the product 100, preferably the bottom plate 51 is arranged on the machine table 10, the heating plate 52 is in abutment with the bottom end of the positioning jig 20, the positioning jig 20 is made of aluminum, the heating plate 52 is heated by electrification to generate heat, the heat can be transmitted to the positioning jig 20, and the product 100 is heated by the heat conduction of the positioning jig 20, the moisture in the product 100 is volatilized by heat, especially when the vacuum state is extracted, the moisture is more easily volatilized by heat and then extracted, the efficiency and cleanliness of the vacuum extraction are improved.It should be noted that the heating temperature of the heating plate 52 is controlled within ± 2 DEG C, which can have better heating effect and avoid damage to the product caused by high temperature.

[0036] In addition, a heat insulation layer 53, such as a heat insulation plate, can be arranged between the bottom plate 51 and the heating plate 52 to avoid heat transmission to the bottom plate 51 and cause potential safety hazards.

[0037] The specific embodiments described herein are merely illustrative of the spirit of the utility model. Those skilled in the art to which the utility model belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the utility model or exceed the scope defined by the appended claims.

Claims

1. A gas encapsulating apparatus, characterized by, The utility model relates to a kind of gas supply pipeline and gas supply system, including: Machine table, Positioning fixture, multiple positioning fixtures are arranged on the machine table for positioning product, Gas path system, it includes gas supply pipeline, vacuum pump and gas cylinder, the gas supply pipeline includes pipeline, and multiple gas interfaces are arranged on the pipeline, the vacuum pump and gas cylinder are connected with the pipeline respectively, first control valve and second control valve for controlling the vacuum pump and gas cylinder to be communicated with the pipeline are provided on the pipeline, Ventilation structure, it includes lifting unit, lifting plate and joint, the lifting unit is arranged on the machine table, and output end is provided with the lifting plate, multiple joints are arranged on the lifting plate and are communicated with the gas interface, the joint is communicated with the gas pipe of product after being driven.

2. The gas encapsulation apparatus according to claim 1, wherein The pipeline includes main gas pipe and multiple branch gas pipes communicated with the main gas pipe, two ends of the main gas pipe are communicated with the vacuum pump and gas cylinder respectively, and the end of the branch gas pipe is provided with the gas interface.

3. The gas encapsulation apparatus according to claim 2, wherein The main gas pipe is provided with two in upper and lower side by side.

4. The gas encapsulating apparatus according to claim 2 or 3, characterized by, First control valve and second control valve are arranged on the main gas pipe, and manual control valve is further arranged on the branch gas pipe.

5. The gas encapsulation apparatus according to claim 4, wherein Proportional valve is further arranged on the side of the gas supply pipeline close to the gas cylinder.

6. The gas encapsulation apparatus according to claim 1, wherein Lifting plate is provided with guide sleeve, and guide column is arranged on the machine table, and the guide column is embedded in the guide sleeve.

7. The gas encapsulating apparatus according to claim 1 or 6, wherein The lifting unit is lifting cylinder.

8. The gas encapsulation apparatus according to claim 1, wherein It further includes heating assembly, and the heating assembly includes bottom plate and heating plate arranged on the bottom plate, and the heating plate is in contact with the positioning fixture and / or product.

9. The gas encapsulation apparatus according to claim 8, wherein The bottom plate is arranged on the machine table, and the heating plate is in contact with the bottom end of the positioning fixture, and the positioning fixture is made of aluminum or copper.

10. The gas encapsulation apparatus according to claim 8, wherein Heat insulation layer is arranged between the bottom plate and the heating plate.

Images