A kind of air permeability testing equipment for insulating glass spacer

Abstract

The present invention discloses an air permeability test device for hollow glass spacers, which relates to the technical field of air permeability test devices, and comprises a workbench, on which an air intake fixed block and a movable block for clamping the spacers are provided, on which an air intake fixed block is provided an air supply pipe for supplying air to the spacers, and on which a detection component for detecting the air pressure inside the spacers is provided. The spacers are placed between the air intake fixed block and the movable block for fixation, and air is supplied to the spacers through the air supply pipe on the air intake fixed block, so that the air pressure inside the spacers is detected through the detection components on the air intake fixed block and the movable block, thereby realizing the detection of the air permeability of the spacers, and the air permeability detection of the spacers is convenient and quick, and the accuracy of the spacer detection is higher.

Description

Technical Field

[0001] The invention relates to the technical field of air permeability detection equipment, and in particular to an air permeability detection equipment for insulating glass spacer strips. Background Art

[0002] Hollow glass has good heat insulation, sound insulation, UV protection and other functions. With the improvement of human living standards, the demand is also on the rise. However, since hollow glass is composed of glass and spacer layers, and the spacer layers are composed of glass glue, butyl glue, molecular sieve, and spacer strips, and the spacer strips are punched on one side and welded by curling and folding, the quality of the holes and the welding quality of the spacer strips will cause frost, fogging, water accumulation, etc. inside the hollow layer. Therefore, it is necessary to inspect the glass spacer strips before processing. At present, all manufacturers basically use manual visual inspection, which has great quality risks.

[0003] For example, the announcement number CN220120130U disclosed a hollow glass spacer aluminum strip air hole permeability detection device on December 1, 2023, including a bottom plate, two support rods are fixedly connected to the top of the bottom plate, an upper cross bar and a lower cross bar are fixedly connected between the support rods, an upper slider is slidably connected to the outer wall of the upper cross bar, an exposure camera is detachably connected to the bottom of the upper slider, two lower sliders are provided on the outer wall of the lower cross bar, a connecting buckle for carrying the hollow aluminum strip is fixedly connected to the bottom end of the lower slider, a fixing rod is fixedly connected to the bottom end of the lower cross bar, a partition is provided at the bottom of the lower cross bar, and a sealing sleeve is provided on one side of the partition and the fixing rod. The above-disclosed detection device cannot achieve stable detection of the air permeability of hollow glass spacers, and the air permeability detection data of the spacers is inaccurate. Summary of the invention

[0004] The purpose of the present invention is to provide an air permeability testing device for insulating glass spacers with more accurate spacer detection data. The present invention uses an air intake fixed block and a movable block to clamp the spacers for ventilation, and then the detection components on the air intake fixed seat and the clamping seat detect the air pressure inside the spacers. The air permeability testing of the spacers is convenient and quick, and the accuracy of the spacer detection is higher.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the present invention to solve its technical problem is: an air permeability testing device for hollow glass spacer strips, comprising a workbench, on which are provided an air intake fixed block and a movable block for clamping the spacer strips, on which is provided an air supply pipe for supplying air to the spacer strips, and on which are provided a detection component for detecting the air pressure inside the spacer strips.

[0006] The detection assembly includes a pressure gauge and a pressure sensor, and mounting holes for mounting the pressure gauge and the pressure sensor are provided on the air intake fixed block and the movable block.

[0007] The air intake fixed block is provided with an air intake channel connected to the air supply pipe, and the air intake fixed block and the movable block are both provided with connecting channels connected to the partition bar. The air intake channel, connecting channel and mounting hole on the air intake fixed block are connected to each other, and the connecting channel and mounting hole on the movable block are connected to each other.

[0008] The workbench is provided with a fixed nut block, a lead screw is provided in the fixed nut block, a hand wheel is provided at one end of the lead screw, and the other end of the lead screw is connected to the movable block.

[0009] The workbench is provided with a guide rail, and the guide rail is connected to the movable block.

[0010] The workbench is provided with connecting bolts, which pass through the guide rails and are connected with the air intake fixing block and the fixing nut block.

[0011] The lead screw is connected to the movable block through a bearing, and a positioning bolt is arranged at one end of the lead screw extending to the movable block.

[0012] A clamping seat is provided on the connecting passages on the air intake fixed block and the movable block, and a covering component for covering the end of the partition bar is provided in the clamping seat.

[0013] The covering component includes a clamping claw arranged in a clamping seat, a side groove is provided in the clamping seat, the side groove is communicated with the connecting channel, a fixing seat is provided on the side wall of the side groove, the fixing seat is hinged to the clamping claw, an adjusting taper block is provided in the clamping claw, a spring is provided between the adjusting taper block and the groove wall of the side groove, limiting rings are provided on the adjusting taper block and the side wall, the spring is sleeved on two limiting rings, the outer wall of the adjusting taper block is provided with an inclination, a transverse hole communicated with the side groove is provided in the adjusting taper block, the outside of the clamping seat is covered with a rubber band, and the rubber band extends to the clamping claw.

[0014] The clamping seat is provided with a connecting threaded column, the threaded column is threadedly matched with the connecting channel, a transverse channel is provided in the threaded column, and the transverse channel is communicated with the side groove.

[0015] The beneficial effects of the present invention are:

[0016] The spacer is fixed between the air intake fixed block and the movable block, and air is supplied to the spacer through the air supply pipe on the air intake fixed block, so that the air pressure in the spacer is detected by the detection components on the air intake fixed block and the movable block, thereby realizing the detection of the air permeability of the spacer. The air permeability detection of the spacer is convenient and quick, and the detection accuracy of the spacer is higher, which is convenient for controlling the quality of the finished product of the spacer;

[0017] The position of the movable block is adjusted by the cooperation of the hand wheel, the fixed nut block and the lead screw, thereby realizing the position adjustment between the movable block and the air intake fixed block, so that it is convenient to clamp the spacer between the air intake fixed block and the movable block, and the guide rail arranged on the workbench guides the movement of the movable block to realize the stable movement of the movable block;

[0018] The spring, the adjusting taper block, the clamping claw and the rubber band on the clamping seat are used to cover the end of the spacer bar, thereby preventing air leakage when the clamping seat is connected to the spacer bar, thereby ensuring that the detection data of the spacer bar is more accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic structural diagram of the air permeability testing equipment for insulating glass spacers of the present invention.

[0020] Figure 2 for Figure 1 Top view of the .

[0021] Figure 3 for Figure 1 sectional view of .

[0022] Figure 4 for Figure 1 A cross-sectional view of the clamping seat.

[0023] In the attached figure: 1-workbench, 2-air intake fixed block, 3-movable block, 4-guide rail, 5-air supply pipe, 6-pressure gauge, 7-pressure sensor, 8-clamping block, 9-fixed nut block, 10-screw, 11-handwheel, 12-bearing, 13-positioning bolt, 14-air intake channel, 15-connecting bolt, 16-threaded column, 17-side groove, 18-adjusting taper block, 19-spring, 20-limiting ring, 21-clamping claw, 22-fixed seat, 23-rubber band, 24-transverse hole, 25-transverse channel, 26-mounting hole, 27-connecting channel. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0025] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0026] like Figure 1-4As shown, the air permeability testing equipment for hollow glass spacers comprises a workbench 1, on which are provided an air intake fixed block 2 and a movable block 3 for clamping the spacers, on which is provided an air supply pipe 5 for supplying air to the spacers, and on which are provided a detection component for detecting the air pressure inside the spacers. In this embodiment, the air intake fixed block 2 and the movable block 3 perform clamping and detection work on two spacers, thereby realizing double-station clamping of the spacers. Specifically, the workbench consists of four legs, a connecting rod and a table top.

[0027] When in use, the partition bar is placed and fixed between the air intake fixed block 2 and the movable block 3, and air is supplied to the partition bar through the air supply pipe 5 on the air intake fixed block 2, so that the air pressure in the partition bar is detected by the detection components on the air intake fixed block 2 and the movable block 3, and then the air permeability of the partition bar is detected. The air permeability detection of the partition bar is convenient and quick, and the accuracy of the partition bar detection is higher, which is convenient for controlling the quality of the finished product of the partition bar.

[0028] Specifically, the detection component includes a pressure gauge 6 and a pressure sensor 7. The air intake fixed block 2 and the movable block 3 are provided with mounting holes 26 for mounting the pressure gauge 6 and the pressure sensor 7. The pressure after inflation in the partition is detected by the pressure gauge 6 and the pressure sensor 7. In this embodiment, two sets of pressure gauges 6 and pressure sensors 7 are provided on the air intake fixed block 2 and the movable block 3, so as to perform stable detection of the two partitions.

[0029] An air intake passage 14 connected to the air supply pipe 5 is provided on the air intake fixed block 2, and a connecting passage 27 connected to the partition bar is provided on the air intake fixed block 2 and the movable block 3. The air intake passage 14, the connecting passage 27 and the mounting hole 26 on the air intake fixed block 2 are connected to each other, and the connecting passage 27 and the mounting hole 26 on the movable block 3 are connected to each other. The air supply pipe 5 transports the gas to the partition bar through the air intake passage 14 and the connecting passage 27, and the mounting hole 26 is connected to the connecting passage 27, so that the pressure gauge 6 and the pressure sensor 7 installed on the mounting hole 26 detect the pressure in the partition bar.

[0030] The dual-station design ensures that the two sets of spacers can be tested simultaneously according to the needs, or can be independently operated to test any one of the sets of spacers. At the same time, a comparative test can be carried out, with a standard imported spacer (or standard sample) placed in one station and the spacer to be tested measured in the other station. If the error between the two ends is ≤5%, it is judged as a qualified product, otherwise it is a failed product.

[0031] Specifically,

[0032] ① Pressure difference mode: Any station test is based on 0.1-0.3Mpa pressure difference to determine whether it is qualified;

[0033] ② Standard sample comparison mode: The standard sample is placed at station I, and the sample to be tested is placed at station II; if the pressure error detected by the two pressure sensors is ≤5%, it is judged as a qualified product.

[0034] A fixed nut block 9 is provided on the workbench 1, and a screw 10 is provided inside the fixed nut block 9. A handwheel 11 is provided at one end of the screw 10, and the other end of the screw 10 is connected to the movable block 3. The user turns the handwheel 11 to make the screw 10 rotate on the fixed thread block 9 and move axially. At this time, the movable block 3 connected to the screw 10 moves, thereby realizing the position adjustment between the movable block 3 and the air intake fixed block, so as to facilitate clamping the partition bar between the air intake fixed block 2 and the movable block 3. Specifically, the fixed nut block 9 is threadedly matched with the screw 10, and a threaded hole is provided on the fixed nut block 9.

[0035] A guide rail 4 is provided on the workbench 1, and the guide rail 4 is connected to the movable block 3. The movement of the movable block 3 is guided by the guide rail 4, thereby ensuring the stable movement of the movable block 3. Specifically, the lower end of the movable block 3 is connected to the guide rail 4 through a linear bearing, thereby ensuring the stable movement of the movable block 3 on the guide rail 4.

[0036] The workbench 1 is provided with a connecting bolt 15, which passes through the guide rail 4 and is connected to the air intake fixing block 2 and the fixing nut block 9. The air intake fixing block 2, the guide rail 4 and the fixing nut block 9 are installed on the workbench 1 through the connecting bolt 15. Specifically, the air intake fixing block 2 and the fixing nut block 9 are provided with a slot for installing the guide rail 4, and the air intake fixing block 2 and the fixing nut block 9 are provided with a threaded hole matching with the connecting bolt 15. The connecting bolt 15 passes through the through holes on the workbench 1 and the guide rail 4 and is connected with the threads on the air intake fixing block 2 and the fixing nut block 9.

[0037] The lead screw 10 is connected to the movable block 3 through a bearing 12, and the bearing 12 is set to realize a stable connection between the end of the lead screw 10, so that the movable block 3 can be moved while the lead screw 10 rotates at the end of the movable block 3. A positioning bolt 12 is provided at one end of the lead screw 10 extending to the movable block 3, and two bearings 12 are provided on the movable block 2. A positioning step is provided on the lead screw 10, and the step of the lead screw 10 abuts against the side of a bearing 12. A gasket is provided between the positioning bolt 12 and the end of the lead screw 10, and the gasket abuts against the other bearing 12, thereby realizing a stable connection between the lead screw 10 and the movable block 3.

[0038] A clamping seat 8 is provided on the connecting channel 27 on the air intake fixed block 2 and the movable block 3. A covering component for covering the end of the partition bar is provided in the clamping seat 8. The partition bar is stably clamped by the clamping seat 8, and the covering component arranged on the clamping seat 8 ensures a stable connection between the partition bar and the connecting channel 27, thereby preventing the partition bar from leaking during air supply.

[0039] Reference Figure 4 The covering component includes a clamping claw 21 arranged in the clamping seat 8, a side groove 17 is provided in the clamping seat 8, the side groove 17 is communicated with the connecting channel 27, a fixing seat 22 is provided on the side wall of the side groove 17, the fixing seat 22 is hinged with the clamping claw 21, an adjusting taper block 18 is provided in the clamping claw 21, a spring 19 is provided between the adjusting taper block 18 and the groove wall of the side groove 17, a limiting ring 20 is provided on the adjusting taper block 18 and the side wall 17, the spring 19 is sleeved on the two limiting rings 20, an outer wall of the adjusting taper block 18 is provided with an inclination, a transverse hole 24 communicated with the side groove 17 is provided in the adjusting taper block 18, the outside of the clamping seat 8 is covered with a rubber band 23, the rubber band 23 extends to the clamping claw 21, and the adjusting taper block 18 is moved so that the adjusting taper block 18 squeezes the spring 19 in the side groove 17 of the clamping seat 8 to move, and the adjusting taper block 18 squeezes the clamping claw 21 moves, at this time the clamping jaw 21 is opened under the support of the fixing seat 22, at this time one end of the partition is extended into the clamping jaw 21, under the elastic force of the spring 19, the adjusting taper block 18 is reset and squeezes the end of the partition, at this time the clamping jaw 21 covers the end of the partition under the action of the rubber band 23, so as to prevent the partition from leaking. Specifically, there are four clamping jaws 21 and four fixing seats 22, and the four clamping jaws 21 are symmetrically arranged in a ring in the side groove 17. The cross-sectional width of the adjusting taper fast 18 gradually decreases from the outside to the inside of the side groove 17. The setting of the transverse hole 24 facilitates the transportation of the gas transported by the gas supply pipe 5 to the side groove 17, so that the gas is transported to the connecting channel 27, and the stable movement of the spring 19 is achieved by adjusting the taper block 18 and the limiting ring 20 on the side wall 17 to prevent the spring 19 from running off.

[0040] A connecting threaded column 16 is provided on the clamping seat 8, and the threaded column 16 is threadedly matched with the connecting channel 27. A transverse channel 25 is provided in the threaded column 16, and the transverse channel 25 is connected to the side groove 17. The threaded column 16 realizes a stable connection between the clamping seat 8 and the connecting channel 27, and the setting of the transverse channel 25 facilitates the delivery of the gas in the side groove 17 to the partition strip.

[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hollow glass spacer air permeability testing device, comprising a workbench (1), characterized in that: The workbench (1) is provided with an air intake fixed block (2) and a movable block (3) for clamping the partition bar, the air intake fixed block (2) is provided with an air supply pipe (5) for supplying air to the partition bar, and the air intake fixed block (2) and the movable block (3) are provided with a detection component for detecting the air pressure inside the partition bar.

2. The hollow glass spacer air permeability testing equipment according to claim 1, characterized in that: The detection assembly comprises a pressure gauge (6) and a pressure sensor (7), and mounting holes (26) for mounting the pressure gauge (6) and the pressure sensor (7) are provided on the air intake fixed block (2) and the movable block (3).

3. The hollow glass spacer air permeability testing equipment according to claim 2, characterized in that: The air intake fixed block (2) is provided with an air intake passage (14) connected to the air supply pipe (5); the air intake fixed block (2) and the movable block (3) are both provided with a connecting passage (27) connected to the partition bar; the air intake passage (14), the connecting passage (27) and the mounting hole (26) on the air intake fixed block (2) are connected to each other; and the connecting passage (27) and the mounting hole (26) on the movable block (3) are connected to each other.

4. The air permeability testing equipment for insulating glass spacers according to claim 1, characterized in that: The workbench (1) is provided with a fixed nut block (9), a lead screw (10) is provided inside the fixed nut block (9), a hand wheel (11) is provided at one end of the lead screw (10), and the other end of the lead screw (10) is connected to the movable block (3).

5. The air permeability testing equipment for insulating glass spacers according to claim 4 is characterized in that: The workbench (1) is provided with a guide rail (4), and the guide rail (4) is connected to the movable block (3).

6. The hollow glass spacer air permeability testing device according to claim 5, characterized in that: The workbench (1) is provided with connecting bolts (15), and the connecting bolts (15) pass through the guide rail (4) and are connected to the air intake fixing block (2) and the fixing nut block (9).

7. The air permeability testing equipment for insulating glass spacers according to claim 6, characterized in that: The lead screw (10) is connected to the movable block (3) via a bearing (12); one end of the lead screw (10) extending to the movable block (3) is provided with a positioning bolt (12).

8. The air permeability testing device for insulating glass spacers according to any one of claims 1 to 7, characterized in that: A clamping seat (8) is provided on the connecting channel (27) on the air intake fixed block (2) and the movable block (3), and a covering component for covering the end of the partition bar is provided in the clamping seat (8).

9. The air permeability testing equipment for insulating glass spacers according to claim 1, characterized in that: The covering component comprises a clamping claw (21) arranged in a clamping seat (8), a side groove (17) is arranged in the clamping seat (8), the side groove (17) is communicated with a connecting channel (27), a fixing seat (22) is arranged on the side wall of the side groove (17), the fixing seat (22) is hinged to the clamping claw (21), an adjusting taper block (18) is arranged in the clamping claw (21), and a groove wall between the adjusting taper block (18) and the side groove (17) is provided. A spring (19) is provided, and a limiting ring (20) is provided on the adjusting taper block (18) and the side wall (17), and the spring (19) is sleeved on the two limiting rings (20). The outer wall of the adjusting taper block (18) is provided with an inclination, and a transverse hole (24) connected to the side groove (17) is provided in the adjusting taper block (18). The outside of the clamping seat (8) is covered with a rubber band (23), and the rubber band (23) extends to the clamping claw (21).

10. The air permeability testing equipment for insulating glass spacers according to claim 8, characterized in that: The clamping seat (8) is provided with a connecting threaded column (16), the threaded column (16) is threadedly matched with the connecting channel (27), a transverse channel (25) is provided in the threaded column (16), and the transverse channel (25) is communicated with the side groove (17).

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