Tensile test structure for glass fiber gridding cloth

Abstract

The utility model discloses a glass fiber gridding cloth tensile testing structure, relates to the technical field of glass fiber gridding cloth tensile testing, and comprises a U-shaped testing frame, fixing discs are arranged on the front side and the rear side in the U-shaped testing frame, a clamping roller is in threaded connection between the two fixing discs, a clamping assembly is arranged on one side of the top of the U-shaped testing frame, and the clamping assembly is arranged on the other side of the top of the U-shaped testing frame. The U-shaped testing frame is arranged on one side of the top of the U-shaped testing frame and used for automatically winding the glass fiber gridding cloth, the testing assembly is arranged on the other side of the top of the U-shaped testing frame and used for conducting tensile testing on the glass fiber gridding cloth, and the tensile testing result can be directly observed conveniently. The clamping roller is driven by the threaded block to horizontally move along the threaded rod, so that the glass fiber gridding cloth reel can be conveniently moved to different positions, the glass fiber gridding cloth can be stretched to different degrees, in the stretching process, the L-shaped pointer is moved to conveniently observe the scale pointing to the graduated scale, and the working efficiency is improved. Therefore, the distance of the tensile length borne by the fiberglass mesh is determined, and the operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of glass fiber mesh cloth tensile testing, in particular to a glass fiber mesh cloth tensile testing structure. Background Art

[0002] External wall insulation mesh cloth (glass fiber mesh cloth) is a new type of alkali-resistant product made of medium-alkali or alkali-free glass fiber yarn as raw material, woven into glass fiber mesh cloth as base material, and then coated with acrylic acid copolymer liquid and dried, and then soaked in polymer anti-emulsion coating. It has good alkali resistance, flexibility and high tensile strength in warp and weft directions, and can be widely used in building internal and external wall insulation, waterproofing, fire prevention, crack resistance, etc. After the glass fiber mesh cloth is produced, it needs to be tensile tested using a glass fiber mesh cloth tensile test structure to ensure the quality of the product.

[0003] For example, a testing device for glass fiber products disclosed in Chinese patent application number CN202123038599.2 belongs to the field of glass fiber product testing and includes a fixed table plate, roller frames are symmetrically installed on both sides of the top of the fixed table plate, and a tensioning roller is rotatably connected to the roller frame. A limiting slot is provided inside the tensioning roller, which facilitates the staff to easily and quickly compare and observe the tensile properties of different types of glass fiber mesh cloths. The device has a simple structure and low cost.

[0004] However, in actual use, the above device detects the tensile properties of different types of glass fiber mesh cloths by the distance obtained by drawing lines on cardboard. The cardboard needs to be replaced after long-term use, and the staff needs to take the measuring tool for subsequent measurement, which is inconvenient to operate and easily reduces the efficiency of the tensile test. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a glass fiber mesh cloth tensile testing structure, which drives the clamping roller to move horizontally along the threaded rod through the threaded block, so as to facilitate moving the glass fiber mesh cloth reel to different positions, thereby achieving different degrees of stretching of the glass fiber mesh cloth. During the stretching process, the L-shaped pointer moves to facilitate observation of the scale pointing to the scale, thereby clarifying the stretching length that the glass fiber mesh cloth has to bear. The operation is convenient and can effectively solve the problems in the background technology.

[0006] To achieve the above object, the technical solution adopted by the utility model is: a glass fiber mesh cloth tensile test structure, including a U-shaped test frame, the front and rear sides of the U-shaped test frame are provided with fixed disks, and a clamping roller is threadedly connected between the two fixed disks, and the two clamping rollers are clamped to each other;

[0007] A clamping assembly is provided on one side of the top of the U-shaped test frame for automatically rolling up the glass fiber mesh cloth;

[0008] A test assembly is provided on the other side of the top of the U-shaped test frame for performing a tensile test on the glass fiber mesh cloth, so as to directly observe the result of the tensile test;

[0009] The test assembly includes two threaded rods, and drive grooves are opened inside the front and rear sides of the U-shaped test frame. The two ends of the threaded rods are respectively connected to the two ends of the driving grooves through bearings. A threaded block is threadedly connected to the threaded rod, and an L-shaped pointer is fixed on the front side of the threaded block on the front side. A scale is inlaid on the top of the front side of the U-shaped test frame, and the top of the L-shaped pointer points to the scale.

[0010] Preferably, a through slot is provided on the front side of the U-shaped test frame, and the front end of the L-shaped pointer passes through the through slot and extends to the front side of the U-shaped test frame, and the two fixed plates are respectively fixed on the side close to the two threaded blocks, so that the movement of the threaded blocks drives the movement of the fixed plates.

[0011] Preferably, empty slots are provided on both the front and rear sides of the U-shaped test frame, and the empty slots are provided at one end of the driving slot. Bevel gear sets are provided at the top and bottom of the empty slots. One end of the threaded rod passes through the empty slot and is transmission connected to the bevel gear set at the top. The two bevel gear sets are transmission connected by a rotating shaft to facilitate driving the two bevel gear sets to rotate.

[0012] Preferably, a dual-axis motor is fixedly provided at the inner bottom end of the other side of the U-shaped test frame, and the output shafts at both ends of the dual-axis motor pass through the empty slot and are transmission-connected to the bevel gear set at the bottom, so that the dual-axis motor can drive the bevel gear set to rotate.

[0013] Preferably, the clamping assembly includes two threaded barrels, which are respectively connected to the front and rear walls on one side of the U-shaped test frame through bearings, and the threaded barrels are threaded with a screw block. A connecting block is fixed on one end of the two screw blocks that are close to each other, and clamping rods are provided on both sides of the connecting block to facilitate clamping one end of the glass fiber mesh cloth between the two clamping rods.

[0014] Preferably, the clamping rod is provided with slots at both front and rear ends on one side close to the connecting block, a spring is fixedly provided inside the slot, and both ends of the spring are fixedly connected to the clamping rod and the connecting block respectively, a motor is fixedly provided on the rear side of the U-shaped test frame, and the motor output shaft passes through the U-shaped test frame and is fixedly connected to the rear end of a threaded barrel, so that the motor can drive the threaded barrel to rotate.

[0015] Preferably, a control panel for controlling the operation of the motor and the dual-axis motor is fixedly provided on the front side of the U-shaped test frame, and moving wheels are fixedly provided at the four corners of the bottom of the U-shaped test frame to facilitate the movement of the utility model.

[0016] Compared with the prior art, the utility model provides a glass fiber mesh cloth tensile test structure, which has the following beneficial effects:

[0017] Through passing the glass fiber mesh cloth reel to be tested onto two clamping rollers, pulling one end of the glass fiber mesh cloth, manually prying apart the two clamping rods, driving the spring to move horizontally inside the slot, it is convenient to clamp one end of the glass fiber mesh cloth between the two clamping rods, so as to clamp and fix it. The control panel controls the motor to work, so that the motor drives the threaded barrel to rotate, drives the screw block and the clamping rod to rotate, so as to realize the automatic winding of the glass fiber mesh cloth and improve the efficiency of subsequent tensile testing.

[0018] The double-axis motor drives the bevel gear sets at both ends of the output shaft to drive the threaded rod to rotate, so that the threaded block moves horizontally, which is convenient for moving the glass fiber mesh cloth reel to different positions, thereby achieving different degrees of stretching of the glass fiber mesh cloth. The movement of one of the threaded blocks drives the movement of the L-shaped pointer. The movement of the L-shaped pointer makes it easy to observe the scale pointing to the scale, so as to clarify the stretching length of the glass fiber mesh cloth, and the operation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a rear view of the overall structure of the utility model;

[0021] Figure 3 It is a cross-sectional view of the overall structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the test assembly structure of the utility model;

[0023] Figure 5 This is a schematic diagram of the structure of the clamping assembly of the utility model;

[0024] Figure 6 For the utility model Figure 5 Enlarged view of point A in the middle.

[0025] In the figure: 1 U-shaped test frame, 2 fixed plate, 3 clamping roller, 4 clamping assembly, 5 test assembly, 6 scale, 7 control panel, 8 moving wheel;

[0026] 41 threaded cylinder, 42 screw block, 43 connecting block, 44 clamping rod, 45 spring, 46 motor, 51 threaded rod, 52 threaded block, 53 dual-axis motor, 54 rotating shaft, 55 L-shaped pointer, 56 bevel gear set. DETAILED DESCRIPTION

[0027] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0028] like Figure 1-6 As shown, the utility model provides a glass fiber mesh cloth tensile test structure, including a U-shaped test frame 1, wherein fixed plates 2 are provided on both the front and rear sides of the U-shaped test frame 1, and a clamping roller 3 is threadedly connected between the two fixed plates 2, and the two clamping rollers 3 are clamped with each other, and moving wheels 8 are fixedly provided at the four corners of the bottom of the U-shaped test frame 1 to facilitate the movement of the utility model.

[0029] like Figure 1-3 As shown in Figures 5 and 6, a clamping assembly 4 is provided on one side of the top of the U-shaped test frame 1 for automatically winding up the glass fiber mesh cloth. The clamping assembly 4 includes two threaded cylinders 41, and the two threaded cylinders 41 are respectively connected to the front and rear walls on one side of the interior of the U-shaped test frame 1 through bearings. A screw block 42 is threadedly connected to the threaded cylinder 41, and a connecting block 43 is fixedly provided on one end of the two screw blocks 42 that are close to each other. Clamping rods 44 are provided on both sides of the connecting block 43 to facilitate clamping one end of the glass fiber mesh cloth between the two clamping rods 44. The front and rear ends of the clamping rod 44 that are close to the connecting block 43 are provided with slots.

[0030] A spring 45 is fixedly provided inside the slot, and the two ends of the spring 45 are fixedly connected to the clamping rod 44 and the connecting block 43 respectively; a motor 46 is fixedly provided on the rear side of the U-shaped test frame 1; the output shaft of the motor 46 passes through the U-shaped test frame 1 and is fixedly connected to the rear end of a threaded cylinder 41, so that the motor 46 drives the threaded cylinder 41 to rotate; a dual-axis motor 53 is fixedly provided at the bottom end of the other side of the U-shaped test frame 1; a control panel 7 for controlling the operation of the motor 46 and the dual-axis motor 53 is fixedly provided on the front side of the U-shaped test frame 1.

[0031] By setting the clamping assembly 4, first unscrew the two clamping rollers 3, pass the glass fiber mesh cloth reel to be tested onto the two clamping rollers 3, and then screw the reel between the two fixed disks 2, and at the same time pull one end of the glass fiber mesh cloth, manually pry open the two clamping rods 44, drive the spring 45 to move horizontally inside the slot, so that one end of the glass fiber mesh cloth can be clamped between the two clamping rods 44 for clamping and fixing. Finally, operate the control panel 7 to control the motor 46 to work, so that the motor 46 drives the threaded cylinder 41 to rotate, drives the screw block 42 and the clamping rod 44 to rotate, so as to realize the automatic winding of the glass fiber mesh cloth and improve the efficiency of subsequent tensile testing.

[0032] like Figure 1-4As shown, a test assembly 5 is provided on the other side of the top of the U-shaped test frame 1, which is used to perform a tensile test on the glass fiber mesh cloth, so as to facilitate direct observation of the result of the tensile test. The test assembly 5 includes two threaded rods 51. Drive grooves are provided inside the front and rear sides of the U-shaped test frame 1. Both ends of the threaded rod 51 are respectively connected to the two ends inside the drive groove through bearings. A threaded block 52 is threadedly connected to the threaded rod 51, and an L-shaped pointer 55 is fixed on the front side of the threaded block 52 on the front side. A scale 6 is inlaid on the top of the front side of the U-shaped test frame 1, and the top of the L-shaped pointer 55 points to the scale 6.

[0033] A through slot is provided on the front side of the U-shaped test frame 1, and the front end of the L-shaped pointer 55 passes through the through slot and extends to the front side of the U-shaped test frame 1, and the two fixed disks 2 are respectively fixedly arranged on the side close to the two threaded blocks 52, so that the threaded blocks 52 can move and drive the fixed disks 2 to move. Empty slots are provided on the front and back sides of the U-shaped test frame 1, and the empty slots are arranged at one end of the driving slot. Bevel gear sets 56 are provided on the top and bottom of the empty slots. One end of the threaded rod 51 passes through the empty slot and is transmission-connected to the bevel gear set 56 at the top. The two bevel gear sets 56 are transmission-connected by a rotating shaft 54, so as to drive the two bevel gear sets 56 to rotate. The output shafts at both ends of the dual-axis motor 53 pass through the empty slots and are transmission-connected to the bevel gear set 56 at the bottom, so as to facilitate the dual-axis motor 53 to drive the bevel gear set 56 to rotate.

[0034] By setting up the test component 5, operating the dual-axis motor 53 to drive the bevel gear sets 56 at both ends of the output shaft to drive the rotating shaft 54 ​​to rotate, and at the same time drive the threaded rod 51 to rotate in the driving groove, so that the threaded block 52 moves horizontally along the threaded rod 51, so as to facilitate moving the glass fiber mesh cloth reel to different positions, thereby achieving different degrees of stretching of the glass fiber mesh cloth. During the stretching process, one of the threaded blocks 52 moves to drive the L-shaped pointer 55 to move. The movement of the L-shaped pointer 55 makes it easy to observe the scale pointing to the scale ruler 6, so as to clarify the distance of the stretching length that the glass fiber mesh cloth has to bear, and the operation is convenient.

[0035] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A glass fiber mesh cloth tensile test structure, comprising a U-shaped test frame (1), characterized in that: The U-shaped test frame (1) is provided with fixed disks (2) on both the front and rear sides thereof, and a clamping roller (3) is threadedly connected between the two fixed disks (2), and the two clamping rollers (3) are clamped to each other; A clamping assembly (4) is provided on one side of the top of the U-shaped test frame (1) for automatically rolling up the glass fiber mesh cloth; A test assembly (5) is provided on the other side of the top of the U-shaped test frame (1) for performing a tensile test on the glass fiber mesh cloth, so as to facilitate direct observation of the tensile test result; The test assembly (5) comprises two threaded rods (51), the front and rear sides of the U-shaped test frame (1) are provided with drive grooves, the two ends of the threaded rod (51) are respectively connected to the two ends of the drive grooves via bearings, a threaded block (52) is threadedly connected to the threaded rod (51), an L-shaped pointer (55) is fixedly provided on the front side of the threaded block (52) on the front side, and a scale (6) is inlaid on the top of the front side of the U-shaped test frame (1), and the top of the L-shaped pointer (55) points to the scale (6).

2. A glass fiber mesh cloth tensile test structure according to claim 1, characterized in that: The front side of the U-shaped test frame (1) is provided with a through slot, and the front end of the L-shaped pointer (55) passes through the through slot and extends to the front side of the U-shaped test frame (1), and the two fixing plates (2) are respectively fixed on the adjacent sides of the two threaded blocks (52).

3. A glass fiber mesh cloth tensile test structure according to claim 1, characterized in that: The U-shaped test frame (1) is provided with an empty slot on both the front and rear sides, and the empty slot is provided at one end of the driving slot. Bevel gear sets (56) are provided at the top and bottom of the empty slot. One end of the threaded rod (51) passes through the empty slot and is transmission-connected to the bevel gear set (56) at the top. The two bevel gear sets (56) are transmission-connected via a rotating shaft (54).

4. A glass fiber mesh cloth tensile test structure according to claim 3, characterized in that: A dual-axis motor (53) is fixedly disposed at the bottom inner end of the other side of the U-shaped test frame (1), and output shafts at both ends of the dual-axis motor (53) pass through the empty slots and are transmission-connected to the bevel gear set (56) at the bottom.

5. A glass fiber mesh cloth tensile test structure according to claim 4, characterized in that: The clamping assembly (4) comprises two threaded barrels (41), the two threaded barrels (41) being connected to the front and rear walls of one side of the interior of the U-shaped test frame (1) via bearings respectively, a screw block (42) being threadedly connected to the threaded barrel (41), a connecting block (43) being fixedly provided on one end of the two screw blocks (42) being close to each other, and a clamping rod (44) being provided on both sides of the connecting block (43).

6. A glass fiber mesh cloth tensile test structure according to claim 5, characterized in that: The clamping rod (44) is provided with slots at both the front and rear ends of a side close to the connecting block (43), a spring (45) is fixedly arranged inside the slot, and the two ends of the spring (45) are respectively fixedly connected to the clamping rod (44) and the connecting block (43), and a motor (46) is fixedly arranged at the rear side of the U-shaped test frame (1), and an output shaft of the motor (46) passes through the U-shaped test frame (1) and is fixedly connected to the rear end of a threaded cylinder (41).

7. A glass fiber mesh cloth tensile test structure according to claim 6, characterized in that: A control panel (7) for controlling the operation of the motor (46) and the dual-axis motor (53) is fixedly provided on the front side of the U-shaped test frame (1), and moving wheels (8) are fixedly provided at the four corners of the bottom of the U-shaped test frame (1).

Images