CN216191943U - Laminated glass evacuating device - Google Patents

Abstract

The utility model discloses a laminated glass vacuumizing device which comprises a main pipe, a negative pressure tank and a negative pressure pump which are sequentially connected in series, wherein a plurality of groups of branch pipes connected in parallel are connected in the main pipe in a communicated manner, one-way valves are connected between the branch pipes and the main pipe in series, a first air pressure detection unit is arranged in the negative pressure tank, the output end of the first air pressure detection unit is electrically connected with a control unit of the negative pressure pump, the one-way valves are additionally arranged at the connecting positions of the branch pipes and the main pipe, when a closed container corresponding to one group of branch pipes leaks, leaked air can directly enter the negative pressure tank along with the main pipe, and once the rest branch pipes have a trend of reverse air flow, the one-way valves can be automatically locked, so that mutual air leakage among different closed containers is avoided, the rejection of a whole batch of workpieces caused by the leakage of a single container is avoided, and the defective rate is effectively reduced.

Description

Laminated glass evacuating device

Technical Field

The utility model relates to the technical field of vacuum glass production equipment, in particular to a laminated glass vacuumizing device.

Background

In the production process of vacuum glass, the gas in the glass interlayer needs to be pumped out by utilizing equipment, and sealing operation is carried out, thereby realizing vacuum in the interlayer, the traditional method is to place single glass in a closed container, and make a plurality of closed containers be communicated with a main pipe at the same time, negative pressure is communicated in the main pipe, thereby gas in the closed container is discharged, and further air in the glass interlayer is discharged, so that the air in the glass interlayer is reached, in the actual production, in order to save the production cost and improve the production efficiency, most of plastic bags are adopted as the closed containers, when in use, the problem of partial plastic bag gas leakage can occur, and gas cross occurs in a plurality of sealed bags in the same batch, thereby the quality of products in the whole batch is influenced, and the defective rate of production is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides a laminated glass vacuumizing device, wherein a check valve is additionally arranged in a branch pipe, so that air leakage of each closed container is avoided, the defective rate of products is effectively reduced, and the problems in the background art can be effectively solved.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a laminated glass evacuating device, is including the person in charge, negative pressure jar and the negative pressure pump of establishing ties in proper order, the internal switch-on of being responsible for has the parallelly connected branch pipe of a plurality of groups, it has the check valve to establish ties between branch pipe and the person in charge, the inside first atmospheric pressure detecting element that is provided with of negative pressure jar, first atmospheric pressure detecting element's output is connected with the control unit electricity of negative pressure pump.

As a preferred technical scheme of the utility model, the main pipe comprises a primary main pipe and a plurality of groups of secondary main pipes which are arranged in parallel, the primary main pipe is communicated with the negative pressure tank through an air pipe, the secondary main pipe is communicated with the branch pipe through a one-way valve, a buffer tank and an electromagnetic valve are connected between the secondary main pipe and the primary main pipe in series, a second air pressure detection unit is arranged in the buffer tank, and the output end of the second air pressure detection unit is electrically connected with a control unit of the electromagnetic valve;

through the setting that the second level was responsible for, can insert more airtight container simultaneously to promote production efficiency, and be responsible for and increase buffer memory jar and solenoid valve between the one-level is responsible for at the second level, when second atmospheric pressure detecting element detected that pressure loss is very fast in the buffer memory jar, the second level that the surface corresponds is responsible for and exists the damaged condition of airtight container in, control solenoid valve self-closing reduces the loss of pressure in the negative pressure jar, reduces the influence of being responsible for the internal pressure to all the other second levels, guarantees the normal processing of all the other work pieces.

According to a preferred technical scheme, the secondary main pipe is a pipe body with two through ends, a plurality of groups of threaded through holes are uniformly formed in the pipe wall of the secondary main pipe, and two ends of the secondary main pipe are respectively connected with a closed end and a quick-connection end with an air guide hole in a sealing mode through threads;

the secondary main pipe is convenient for cleaning dirt deposited on the inner wall of the pipeline in the production process through a through design, and the smoothness of the air path is ensured.

As a preferred technical scheme of the utility model, one end of the secondary main pipe close to the quick-connection end is provided with a filter screen plate;

through increasing filter plate, filter the gas that gets into the one-level and be responsible for and the negative pressure jar, avoid impurity to get into the jam that leads to.

As a preferred technical scheme of the utility model, the inner wall of the secondary main pipe close to the end part is provided with a limiting bulge, the area of the filter screen plate is consistent with the inner diameter of the secondary main pipe, and the filter screen plate is fixedly clamped in a gap between the limiting bulge and the quick-connection end;

the tip that the second grade was responsible for sets up the internal thread, when the end that connects soon screwed in through the screw thread, can support filter plate, with spacing protruding synchronization, fixed filter plate, when taking off the end that connects soon simultaneously, can be convenient take off filter plate, be convenient for clear up or change it.

Compared with the prior art, the utility model has the beneficial effects that: this laminated glass evacuating device is through increasing the check valve in branch pipe and the person in charge hookup location, when the airtight container that one of them group branch pipe corresponds appeared leaking, its gas of leaking can directly get into the negative pressure jar along with being responsible for, and when all the other branch pipes appeared the trend of gas reverse flow, the check valve can be independently locked to avoid letting somebody's turn to do each other between the different airtight container, avoid single container to leak the whole batch work piece that causes and scrap, effectively reduce the defective percentage.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the main tube arrangement of the present invention;

FIG. 3 is a schematic diagram of a secondary main pipe of the present invention;

FIG. 4 is an enlarged view of the present invention at A.

In the figure: 1. a main pipe; 101. a primary main pipe; 102. a secondary main pipe; 102a, a closed end; 102b and a limiting bulge; 102c, a filter screen plate; 102d, a quick connection end; 2. a branch pipe; 3. a one-way valve; 4. a negative pressure tank; 5. a first air pressure detection unit; 6. a negative pressure pump; 7. a buffer tank; 8. an electromagnetic valve; 9. and a second air pressure detection unit.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a laminated glass evacuating device, is responsible for 1 including the series connection in proper order, negative pressure jar 4 and negative pressure pump 6, is responsible for 1 internal switch-on and has the parallelly connected branch pipe 2 of a plurality of groups, and the branch pipe 2 establishes ties between being responsible for 1 with the person in charge has check valve 3, and negative pressure jar 4 is inside to be provided with first pneumatic pressure detecting element 5, and the output of first pneumatic pressure detecting element 5 is connected with the control unit electricity of negative pressure pump 6.

Referring to fig. 2, the main pipe 1 includes a first-stage main pipe 101 and a plurality of sets of second-stage main pipes 102 arranged in parallel, the first-stage main pipe 101 is communicated with the negative pressure tank 4 through an air pipe, the second-stage main pipes 102 are communicated with the branch pipes 2 through the check valves 3, a buffer tank 7 and an electromagnetic valve 8 are connected between the second-stage main pipes 102 and the first-stage main pipes 101 in series, a second air pressure detection unit 9 is arranged in the buffer tank 7, and an output end of the second air pressure detection unit 9 is electrically connected with a control unit of the electromagnetic valve 8;

through the setting that the second level was responsible for 102, can insert more airtight container simultaneously, with promotion production efficiency, and be responsible for 102 and the one-level at the second level and increase buffer tank 7 and solenoid valve 8 between being responsible for 101, when second atmospheric pressure detecting element 9 detected buffer tank 7 pressure loss fast, the second level that the surface corresponds is responsible for 102 and has the damaged condition of airtight container in, control solenoid valve 8 self-closing, reduce the pressure loss in the negative pressure jar 4, reduce the influence of being responsible for 102 internal pressure to all the other second levels, guarantee the normal processing of all the other work pieces.

Referring to fig. 3, the secondary main pipe 102 is a pipe body with two through ends, the pipe wall of the secondary main pipe 102 is uniformly provided with a plurality of groups of threaded through holes, and two ends of the secondary main pipe 102 are respectively connected with a closed end 102a and a quick-connection end 102d with an air vent in a sealing manner through threads;

the secondary main pipe 102 is designed in a through mode, so that dirt deposited on the inner wall of the pipeline in the production process can be cleaned conveniently, and the air passage is guaranteed to be smooth.

A filter screen plate 102c is arranged at one end of the secondary main pipe 102 close to the quick connection end 102 d;

by adding the filter screen plate 102c, the gas entering the primary main pipe 101 and the negative pressure tank 4 is filtered, and the blockage caused by the entering of impurities is avoided.

Referring to fig. 4, a limiting protrusion 102b is arranged on the inner wall of the secondary main pipe 102 near the end, the area of the screen plate 102c is the same as the inner diameter of the secondary main pipe 102, and the fixing clip is arranged in a gap between the limiting protrusion 102b and the quick-connection end 102 d;

the end of the secondary main pipe 102 is provided with an internal thread, when the quick-connection end 102d is screwed in through the thread, the quick-connection end can abut against the filter screen plate 102c, and is synchronously acted with the limiting protrusion 102b to fix the filter screen plate 102c, and meanwhile, when the quick-connection end 102d is taken down, the filter screen plate 102c can be conveniently taken down, so that the quick-connection end is convenient to clean or replace.

The preferred electron barometer of atmospheric pressure detecting element can carry out short-term test to the atmospheric pressure that detects the position to with the form transmission of testing result with the signal of telecommunication, be convenient for realize automated control, increase the device of warning at the output of second atmospheric pressure detecting element 9 simultaneously, the airtight container of being convenient for quick location leakage carries out the container and changes, promotes production efficiency.

When in use: the negative pressure pump 6 acts to vacuumize the interior of the negative pressure tank 4, the internal pressure of the negative pressure tank is smaller than the outside, the electromagnetic valve 8 is conducted at the moment, the branch pipe 2 is synchronously kept at negative pressure, gas in the closed container connected with the branch pipe 2 is discharged and enters the negative pressure tank 4, when the pressure in the negative pressure tank 4 rebounds to a threshold value, the negative pressure pump 6 works to pump the pressure in the negative pressure tank 4 to a set value, and therefore continuous operation of the whole equipment is guaranteed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a laminated glass evacuating device, is including being responsible for (1), negative pressure jar (4) and negative pressure pump (6) of establishing ties in proper order, its characterized in that: be responsible for (1) inscribe switch-on have parallelly connected branch pipe (2) of a plurality of groups, branch pipe (2) and being responsible for establish ties between (1) have check valve (3), negative pressure jar (4) inside is provided with first atmospheric pressure detecting element (5), the output of first atmospheric pressure detecting element (5) is connected with the control unit electricity of negative pressure pump (6).

2. The laminated glass evacuation device of claim 1, wherein: be responsible for (1) and be responsible for (102) including the one-level second grade that is responsible for (101) and a plurality of group parallel arrangement, the one-level is responsible for (101) and is passed through trachea and negative pressure jar (4) intercommunication, the second grade is responsible for (102) and is communicated with branch pipe (2) through check valve (3), the second grade is responsible for (102) and has concatenated buffer tank (7) and solenoid valve (8) between the one-level is responsible for (101), be provided with second atmospheric pressure detecting element (9) in buffer tank (7), the output of second atmospheric pressure detecting element (9) is connected with the control unit electricity of solenoid valve (8).

3. The laminated glass evacuation apparatus of claim 2, wherein: the two-stage main pipe (102) is a pipe body with two through ends, a plurality of groups of threaded through holes are uniformly formed in the pipe wall of the two-stage main pipe (102), and two ends of the two-stage main pipe (102) are respectively connected with a closed end (102a) and a quick-connection end (102d) with an air vent in a sealing mode through threads.

4. The laminated glass evacuation device of claim 3, wherein: and a filter screen plate (102c) is arranged at one end, close to the quick connection end (102d), in the secondary main pipe (102).

5. The laminated glass evacuation device of claim 4, wherein: the inner wall of the secondary main pipe (102) close to the end is provided with a limiting bulge (102b), the area of the screen plate (102c) is consistent with the inner diameter of the secondary main pipe (102), and the screen plate is fixedly clamped in a gap between the limiting bulge (102b) and the quick-connection end (102 d).

Images