Plastic door and window corner strength testing device

Abstract

The utility model relates to a plastic door and window corner strength testing device, which belongs to the technical field of door and window testing equipment and comprises a base, a pressure plate, a press machine, a rotating shaft, a support, a locking and fixing device, a sliding sleeve and fixing plates. The top of each mounting plate is fixedly provided with a limiting plate which is in front-back symmetry about the center axis of the rotating shaft, locking bolts are arranged on the limiting plates, the distances between the two limiting plates on the multiple mounting plates are not equal, a placing flat plate is arranged on the rear side of the rotating shaft, and a positioning marking line is arranged on the placing flat plate under the center axis of the pressing disc. A height adjusting device is arranged at the bottom of the placing flat plate. According to the utility model, the deflection is better prevented, the installation and fixation of the door and window sample can be accurately completed by one person, the manpower is saved, the top of the sample is better ensured to be right below the pressure plate of the press machine, and the strength test is more accurate.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of plastic door and window corner strength test device, belong to door and window test equipment technical field. BACKGROUND

[0002] Plastic door and window is the door and window made of plastic profile.Plastic door and window has good characteristics such as waterproof, wind-resistant, heat preservation, etc.In the production of plastic door and window, the welding angle of the main profile of plastic door and window needs to be tested for strength, to detect its compression resistance.The current test device sets sample fixing plate supporting the bottom of door and window sample below the press machine, and then sets rolling device that can roll left and right at the bottom of sample fixing plate, but the current rolling device does not have guiding mechanism, causing the rolling direction of test fixing plate to be easily skewed, thereby affecting test accuracy, and when placing and fixing sample, one person needs to hold door and window vertically, and the top is directly below the press machine, then another person fixes the bottom, which is relatively troublesome, and it is difficult to ensure that the top of sample is directly below the press disc of press machine, affecting the accuracy of strength test. SUMMARY

[0003] The utility model provides a kind of plastic door and window corner strength test device, solve the problems in the above background.

[0004] The utility model relates to a kind of plastic door and window corner strength test device, including base, the top of middle in base is equipped with pressure disc, pressure disc is connected with press machine, the just below of pressure disc is equipped with horizontal pivot, the both ends of pivot are rotatably installed with support, support is fixed on base, the one end of pivot is equipped with the locking fixture of locking it, pivot is equipped with limit plane, pivot is equipped with two sliding sleeves, the inner hole of sliding sleeve is equipped with the limit platform matched with limit plane, the top of each sliding sleeve is fixed with fixed plate, each fixed plate is fixed with the mounting plate of detachable replacement, mounting plate is equipped with multiple, the top of each mounting plate is fixed with the limit plate that is about the center axis of pivot front-back symmetry, limit plate is equipped with locking bolt, the interval between two limit plates on multiple mounting plates is not equal, the rear side of pivot is equipped with placement flat plate, the placement flat plate below the center axis of pressure disc is equipped with positioning scale line, the bottom of placement flat plate is equipped with height adjusting device.

[0005] As a preferred, height adjusting device includes guide rod fixed on the bottom of placement flat plate, the lower part of guide rod is equipped with guide sleeve, guide sleeve is fixed on base, the base below each guide sleeve is equipped with installation through-hole coaxial with guide sleeve, the lower end of guide rod extends into installation through-hole, guide sleeve is equipped with fastening bolt, fastening bolt can be loosened, then the height of guide rod is adjusted, thereby the height of placement flat plate is adjusted.

[0006] As a kind of preferred, reinforcing rib plate is fixed on the side wall of sliding sleeve, the other end of reinforcing rib plate is welded and fixed with fixed plate, and fixed plate is welded more firmly.

[0007] As a kind of preferred, the locking device includes a guide plate fixed on the outer side wall of the lower part of the support, the guide plate is provided with a vertical guide hole, a limiting pin shaft is arranged in the guide hole, a limiting ring table is fixed on the outer side wall of the limiting pin shaft, a spring is sleeved on the limiting pin shaft below the limiting ring table, a guide ring is sleeved on the limiting pin shaft below the spring, the rear side wall and the bottom of the rotating shaft are provided with a limiting hole along the radial direction thereof, and the locking device is more simple in structure and more convenient and fast in locking.

[0008] As a kind of preferred, a support rod is fixed on the outer side wall of the guide ring, the support rod is fixed on the guide plate, and a pull rod is fixed on the bottom of the limiting pin shaft, so that the limiting pin shaft can be conveniently pulled down.

[0009] As a kind of preferred, the press machine includes a pressure sensor fixed on the top of the pressing plate, a support plate is fixed on the top of the pressure sensor, a pressing cylinder is fixed on the top of the support plate, a top plate is fixed on the pressing cylinder, a support column is fixed on the bottom outer side of the top plate, the support column is fixed on the base, a guide sleeve is sleeved on the support column, the outer side of the support plate is fixed with the guide sleeve, and the pressing plate is pressed more stably.

[0010] The utility model has the following beneficial effects:

[0011] By setting the rotating shaft and the sliding sleeve, the structure of the door and window sample is installed on the sliding sleeve, the limiting plane and the limiting platform are arranged on the rotating shaft and the sliding sleeve respectively, so that the inclination during the pressing test is better prevented, and when the door and window sample is placed, the rotating shaft can be rotated to make the limiting plate horizontal, then the door and window sample can be placed on the placing flat plate, the top of the door and window sample is positioned through the positioning mark line, then the lower part of the door and window sample is inserted between the two limiting plates by translating the door and window sample forward and backward, positioning is carried out, and then the door and window sample is fixed by the locking bolt, so that one person can accurately complete the installation and fixation of the door and window sample, manpower is saved, the top of the sample is better ensured to be directly below the pressing plate of the press machine, and the strength test is more accurate. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a front view structural schematic diagram of the utility model;

[0013] Figure 2 It is a partial structure schematic diagram of Figure 1 ;

[0014] Figure 3 It is a side view structural schematic diagram of the rotating shaft and the placing flat plate;

[0015] Figure 4 It is an enlarged structure schematic diagram of Figure 2 A;

[0016] In the diagram: 1. Pressure plate; 2. Support column; 3. Door and window sample; 4. Limiting plate; 5. Rotating shaft; 6. Base; 7. Sliding sleeve; 8. Placement plate; 9. Bracket; 10. Fixing plate; 11. Mounting plate; 12. Guide rod; 13. Guide sleeve; 14. Support rod; 15. Guide plate; 16. Guide ring; 17. Limiting pin; 18. Pull rod; 19. Spring; 20. Limiting ring platform; 21. Support plate; 22. Guide sleeve; 23. Top plate; 24. Downward pressure cylinder; 25. Pressure sensor. Detailed Implementation

[0017] The present invention will be further described below with reference to the embodiments.

[0018] Example 1, such as Figures 1 to 4 As shown, this utility model is a plastic door and window corner strength testing device, including a base 6, a pressure plate 1 is provided above the middle of the base 6, the pressure plate 1 is connected to a press, a horizontal rotating shaft 5 is provided directly below the pressure plate 1, brackets 9 are rotatably mounted at both ends of the rotating shaft 5, the brackets 9 are fixed on the base 6, a locking device is provided at one end of the rotating shaft 5, a limiting plane is provided on the rotating shaft 5, two sliding sleeves 7 are sleeved on the rotating shaft 5, and a limiting platform that cooperates with the limiting plane is provided in the inner hole of the sliding sleeve 7. The top of each sliding sleeve 7 Each mounting plate 10 is fixed with a fixed plate 10, and each fixed plate 10 is fixed with a detachable and replaceable mounting plate 11. Multiple mounting plates 11 are provided. Each mounting plate 11 is fixed with a limiting plate 4 that is symmetrical about the central axis of the rotating shaft 5. The limiting plate 4 is provided with locking bolts. The distance between the two limiting plates 4 on the multiple mounting plates 11 is not equal. A placement plate 8 is provided on the rear side of the rotating shaft 5. The placement plate 8 directly below the central axis of the pressure plate 1 is provided with positioning marks. The bottom of the placement plate 8 is provided with a height adjustment device.

[0019] In operation, first, according to the front and back width of the door and window sample 3, select the mounting plate 11 with the appropriate width of the limiting plate 4, select it and fix it on the fixed plate 10 through the bolt, then loosen the locking device, rotate the rotating shaft 5, make the limiting plate 4 horizontal, then adjust the height of the top of the placing plate 8 through the height adjusting device, make the top of the placing plate 8 flush with the top of the limiting plate 4, then place the door and window sample 3 on the placing plate 8, then move the door and window sample 3 forward, make the two feet of the door and window sample 3 into the two limiting plates 4, then move the door and window sample 3 left and right, make the middle outside tip of the door and window sample 3 flush with the positioning mark line, then tighten the locking bolt, then rotate the rotating shaft 5, make the limiting plate 4 vertical, then fix the rotating shaft 5 with the locking device, then drive the pressure plate 1 down with the press, press the top of the door and window sample 3, as the pressure plate 1 is pressed down, the door and window sample 3 is compressed and deformed, the sliding sleeve 7 moves outward with the two ends of the door and window sample 3, when the door and window sample 3 joint breaks, the pressure is the maximum pressure that the door and window corner can bear.

[0020] In example 2, on the basis of example 1, the height adjusting device includes a guide rod 12 fixed on the bottom of the placing plate 8, the lower part of the guide rod 12 is provided with a guide sleeve 13, the guide sleeve 13 is fixed on the base 6, the base 6 below each guide sleeve 13 is provided with a mounting through hole coaxial with the guide sleeve 13, the lower end of the guide rod 12 extends into the mounting through hole, and the guide sleeve 13 is provided with a fastening bolt. The central axis of the pressure plate 1 is perpendicular to and intersects with the positioning mark line, and the central axis of the pressure plate 1 is perpendicular to and intersects with the central axis of the rotating shaft 5.

[0021] The side wall of the sliding sleeve 7 is fixed with a reinforcing rib plate, and the other end of the reinforcing rib plate is welded and fixed with the fixed plate 10.

[0022] In operation, after the limiting plate 4 is placed, the fastening bolt is loosened, then the height of the top of the placing plate 8 is adjusted, so that the top of the placing plate 8 is flush with the top of the lower limiting plate 4, and after the adjustment, the fastening bolt is tightened.

[0023] The locking device includes a guide plate 15 fixed on the outer side wall of the bracket 9, the guide plate 15 is provided with a vertical guide hole, the guide hole is provided with a limiting pin shaft 17, the outer side wall of the limiting pin shaft 17 is fixed with a limiting ring table 20, the limiting pin shaft 17 below the limiting ring table 20 is sleeved with a spring 19, the lower part of the spring 19 is provided with a guide ring 16 sleeved on the limiting pin shaft 17, and the rear side wall and the bottom of the rotating shaft 5 are provided with limiting holes along the radial direction.

[0024] The outer side wall of the guide ring 16 is fixed with a support rod 14, the support rod 14 is fixed on the guide plate 15, and the bottom of the limiting pin shaft 17 is fixed with a pull rod 18.

[0025] After the installation plate 11 is replaced, the pull rod 18 is pulled downward, the limiting pin shaft 17 moves downward against the elastic force of the spring 19, so that the limiting pin shaft 17 is separated from the limiting hole at the bottom, then the rotating shaft 5 is rotated clockwise by 90 degrees, so that the limiting plate 4 is placed flat, and at this time, the limiting hole at the rear side is in a vertical state, then the pull rod 18 is released, the limiting pin shaft 17 is inserted into the limiting hole at the rear side in the vertical state under the action of the spring 19, and then the door and window sample 3 can be prevented from being installed, when the door and window sample 3 is installed and fixed, the pull rod 18 is pulled downward, the limiting pin shaft 17 moves downward against the elastic force of the spring 19, so that the limiting pin shaft 17 is separated from the limiting hole at the rear side in the vertical state, then the rotating shaft 5 is counterclockwise rotated by 90 degrees, so that the limiting hole at the bottom is in a vertical state, then the pull rod 18 is released, the limiting pin shaft 17 is inserted into the limiting hole at the bottom in the vertical state under the action of the spring 19, and then the strength test can be carried out.

[0026] The press machine comprises a pressure sensor 25 fixed on the top of the pressing plate 1, a supporting plate 21 fixed on the top of the pressure sensor 25, a downward pressing oil cylinder 24 fixed on the top of the supporting plate 21, a top plate 23 fixedly installed on the downward pressing oil cylinder 24, a support column 2 fixed on the bottom of the top plate 23, and a guide sleeve 22 sleeved on the support column 2.

[0027] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

[0028] In the description of the present application, the terms "inner", "outer", "longitudinal", "transverse", "upper", "lower", "top", "bottom" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and do not require the present application to be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application.

Claims

1. A plastic door and window corner strength test device, comprising a base (6), an upper portion of the middle of the base (6) is provided with a pressure plate (1), the pressure plate (1) is connected with a press, characterized in that: The horizontal rotating shaft (5) is arranged below the pressing disc (1), the two ends of the rotating shaft (5) are rotatably arranged with the support (9), the support (9) is fixed on the base (6), one end of the rotating shaft (5) is provided with a locking fixing device, the rotating shaft (5) is provided with a limiting plane, the rotating shaft (5) is sleeved with two sliding sleeves (7), the inner hole of the sliding sleeve (7) is provided with a limiting platform matched with the limiting plane, the top of each sliding sleeve (7) is fixed with the fixed plate (10), each fixed plate (10) is fixed with the detachable and replaceable mounting plate (11), the mounting plate (11) is matched with a plurality of mounting plates (11), the top of each mounting plate (11) is fixed with the limiting plate (4) which is symmetric about the center axis of the rotating shaft (5), the limiting plate (4) is provided with a locking bolt, the spacing between the two limiting plates (4) on the plurality of mounting plates (11) is not equal, the rear side of the rotating shaft (5) is provided with the placing flat plate (8), the placing flat plate (8) below the center axis of the pressing disc (1) is provided with a positioning scale line, the bottom of the placing flat plate (8) is provided with a height adjusting device.

2. A device for testing the corner strength of plastic doors and windows according to claim 1, characterized in that: The height adjusting device comprises a guide rod (12) fixed on the bottom of the placing flat plate (8), the lower part of the guide rod (12) is provided with a guide sleeve (13), the guide sleeve (13) is fixed on the base (6), the base (6) below each guide sleeve (13) is provided with an installation through hole coaxial with the guide sleeve (13), the lower end of the guide rod (12) extends into the installation through hole, and the guide sleeve (13) is provided with a fastening bolt.

3. A device for testing the corner strength of plastic doors and windows according to claim 1, characterized in that: The side wall of the sliding sleeve (7) is fixed with a reinforcing rib plate, and the other end of the reinforcing rib plate is welded and fixed with the fixed plate (10).

4. A device for testing the corner strength of a plastic door or window according to claim 3, characterized in that: The locking fixing device comprises a guide plate (15) fixed on the outer side wall of the lower part of the support (9), the guide plate (15) is provided with a vertical guide hole, the guide hole is provided with a limiting pin shaft (17), the outer side wall of the limiting pin shaft (17) is fixed with a limiting ring table (20), the limiting pin shaft (17) below the limiting ring table (20) is sleeved with a spring (19), the lower part of the spring (19) is provided with a guide ring (16) sleeved on the limiting pin shaft (17), and the rear side wall and the bottom of the rotating shaft (5) are provided with limiting holes in the radial direction.

5. A device for testing the corner strength of a plastic door or window according to claim 4, characterized in that: The outer side wall of the guide ring (16) is fixed with a support rod (14), the support rod (14) is fixed on the guide plate (15), and the bottom of the limiting pin shaft (17) is fixed with a pull rod (18).

6. A device for testing the corner strength of plastic doors and windows according to claim 1, characterized in that: The pressing machine comprises a pressure sensor (25) fixed on the top of the pressing disc (1), the top of the pressure sensor (25) is fixed with a supporting plate (21), the top of the supporting plate (21) is fixed with a downward pressing oil cylinder (24), the downward pressing oil cylinder (24) is fixedly arranged with a top plate (23), the bottom outer side of the top plate (23) is fixed with a support column (2), the bottom of the support column (2) is fixed on the base (6), the support column (2) is sleeved with a guide sleeve (22), and the outer side of the supporting plate (21) is fixed with the guide sleeve (22).

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