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CN-224209766-U - Reinforcing sheet gluing tool meeting SACMA SRM standard compression test piece requirements

CN224209766UCN 224209766 UCN224209766 UCN 224209766UCN-224209766-U

Abstract

The utility model relates to the technical field of compression test tools, in particular to a reinforcing sheet gluing tool meeting SACMA SRM standard compression test piece requirements, which consists of a lower base plate, an upper pressing plate and positioning check blocks, wherein the lower base plate and the upper pressing plate are used for placing test boards and reinforcing sheets, the positioning check blocks for positioning the test boards are arranged on the upper surface of the lower base plate, the lower base plate and the upper pressing plate are detachably connected together through screws, the lower base plate and the positioning check blocks are connected through hexagon bolts, and handles are respectively arranged on the left side and the right side of the lower base plate and the upper pressing plate. By using the utility model, the positioning precision of the reinforcing sheet and the test board can be improved, and uniform and flat connection can be formed. The dependence of the quality of the test piece on the experience of operators is eliminated, the protection of the reinforcing piece on the end part of the test piece is improved, and unacceptable damage is prevented. The reliability and the accuracy of the test result are improved, and a more effective data basis is provided for further research of the product strength.

Inventors

  • WANG WEI

Assignees

  • 苏州炳庆新材料科技有限公司

Dates

Publication Date
20260508
Application Date
20250429

Claims (9)

  1. 1. The utility model provides a meet reinforcement piece bonding frock of SACMA SRM standard compression test spare requirement, includes split type underfloor plate (1) and top board (2), the length and width size of underfloor plate (1) and top board (2) are the same, and the same position department of both is equipped with a plurality of matched with bolt hole (6), a serial communication port, reinforcement piece bonding frock still includes: the positioning stop block (3) is fixedly connected to the lower bottom plate (1), the positioning stop block (3) is an L-shaped plate formed by combining a vertical part and a horizontal part, and the horizontal part of the positioning stop block (3) is positioned between the lower bottom plate (1) and the upper pressing plate (2); The reinforcing sheet (5) is positioned between the lower base plate (1) and the upper pressing plate (2), the reinforcing sheet (5) is the same as the test plate (4) used for the compression test in size, the length of the reinforcing sheet (5) is smaller than that of the lower base plate (1), and the width of the reinforcing sheet (5) is smaller than one half of that of the lower base plate (1).
  2. 2. The reinforcing sheet gluing tool meeting SACMA SRM standard compression test piece requirements according to claim 1, wherein four groups of positioning stop blocks (3) are arranged, two groups of positioning stop blocks (3) are arranged on the left side of the lower base plate (1), and the other two groups of positioning stop blocks are symmetrically arranged on the right side of the lower base plate (1).
  3. 3. The reinforcing sheet gluing tool for meeting SACMA SRM standard compression test piece requirements according to claim 1 is characterized in that a raised line in the front-rear direction is arranged in the middle of the upper surface of the lower base plate (1), the height difference between the raised line and the upper surface of the lower base plate (1) is equal to the thickness of one reinforcing sheet (5), and a raised line in the front-rear direction is also arranged in the middle of the lower surface of the upper pressing plate (2), and the height difference between the raised line and the lower surface of the upper pressing plate (2) is equal to the thickness of one reinforcing sheet (5).
  4. 4. The reinforcing sheet gluing tool for meeting SACMA SRM standard compression test piece requirements according to claim 3 is characterized in that two glue overflow grooves (7) are formed in the upper surface of the lower base plate (1), the two glue overflow grooves (7) are respectively located on the left side and the right side of the raised strips, two glue overflow grooves (7) are also formed in the lower surface of the upper base plate (2), and the two glue overflow grooves (7) are respectively located on the left side and the right side of the raised strips.
  5. 5. The reinforcing sheet gluing tool for meeting SACMA SRM standard compression test piece requirements according to claim 1 or 4, wherein two test boards (4) are clamped between the lower base plate (1) and the upper pressing plate (2), and the two test boards (4) are respectively positioned at the left side and the right side of the lower base plate (1) and the upper pressing plate (2).
  6. 6. The reinforcing sheet gluing tool for meeting SACMA SRM standard compression test piece requirements according to claim 5, wherein the reinforcing sheets (5) are provided with four reinforcing sheets, and the four reinforcing sheets (5) are respectively glued on the upper side and the lower side of the two test boards (4).
  7. 7. The reinforcing sheet gluing tool for meeting SACMA SRM standard compression test piece requirements according to claim 1 is characterized in that a handle (9) is respectively arranged on the front side wall and the rear side wall of the lower base plate (1), and a handle (9) is respectively arranged on the left side wall and the right side wall of the upper press plate (2).
  8. 8. The reinforcing sheet gluing tool meeting the requirement of SACMA SRM standard compression test pieces according to claim 1 or 2, wherein the vertical part of the positioning stop block (3) is connected to the outer side wall of the lower base plate (1) through a hexagonal bolt (8) in a threaded manner, and a gap between the vertical part of the positioning stop block (3) and the outer side wall of the lower base plate (1) can be adjusted through the hexagonal bolt (8).
  9. 9. The reinforcing sheet gluing tool for meeting SACMA SRM standard compression test piece requirements according to claim 8, wherein the horizontal part of the positioning stop block (3) is pressed on the upper surface of the lower base plate (1), the thickness of the horizontal part of the positioning stop block (3) is smaller than or equal to the sum of the thicknesses of the test plate (4) and two reinforcing sheets (5), and the thickness of the horizontal part of the positioning stop block (3) is larger than or equal to the sum of the thicknesses of the test plate (4) and one reinforcing sheet (5).

Description

Reinforcing sheet gluing tool meeting SACMA SRM standard compression test piece requirements Technical Field The utility model relates to the technical field of compression test tools, in particular to a reinforcing sheet gluing tool meeting SACMA SRM standard compression test piece requirements. Background Carbon fiber prepregs are widely used in military and civilian applications due to their good axial strength and higher modulus, light weight, mechanical properties and impact resistance. In order to accurately and scientifically evaluate the performance of the carbon fiber prepreg, whether a material-level test or a structural design test, it is particularly important to evaluate the compression performance of the prepreg. The standard adopts SACMA recommended test method (SACMA R-94) of compression performance of oriented fiber reinforced resin composite material to measure the compression strength performance of carbon fiber prepreg, and a reinforcing sheet is required to be stuck to ensure that a sample cannot generate unacceptable damage mode at the end part in the test process, so that the accuracy and reliability of data can be improved. Whereas for test pieces made using the SACMA R-94 standard, the bonding requirements for the reinforcement sheet, such as size, accuracy, position, etc., are very high, with the most important accuracy requirements. Because the gap part in the middle of the test plate is very small, the adhesion of the test piece reinforcing sheet is mainly performed by manual scribing, which is very challenging for the technique and vision of operators. The manual pasting has the defects that the 1, the position and the precision are controlled by manual measurement, the sample preparation quality is poor, the efficiency is low, the upper and lower reinforcing sheets are usually asymmetric, the size of the middle non-pasted reinforcing sheet is larger, and the influence on the later test data is huge. 2. The test board is pressed unevenly, and phenomena such as reinforcing piece falling off can appear in the test process. Therefore, a convenient, stable, convenient and efficient sample preparation method is needed. Disclosure of utility model Therefore, the utility model aims to provide a reinforcing sheet gluing tool meeting the requirement of SACMA SRM standard compression test pieces, so as to solve the technical problem in the prior art. Based on the above object, the utility model provides a reinforcing sheet gluing tool meeting SACMA SRM standard compression test piece requirements, which comprises a split lower bottom plate and an upper pressing plate, wherein the length and width dimensions of the lower bottom plate and the upper pressing plate are the same, a plurality of matched bolt holes are arranged at the same positions of the lower bottom plate and the upper pressing plate, and the reinforcing sheet gluing tool further comprises: The positioning stop block is an L-shaped plate formed by combining a vertical part and a horizontal part, and the horizontal part of the positioning stop block is positioned between the lower bottom plate and the upper pressing plate; And the reinforcing sheet is positioned between the lower bottom plate and the upper pressing plate, the size of the reinforcing sheet is the same as that of a test plate used for a compression test, the length of the reinforcing sheet is smaller than that of the lower bottom plate, and the width of the reinforcing sheet is smaller than one half of that of the lower bottom plate. Further, the locating stop blocks are provided with four groups, wherein two groups of locating stop blocks are arranged on the left side of the lower bottom plate, and the other two groups of locating stop blocks are symmetrically arranged on the right side of the lower bottom plate. Further, a protrusion in the front-rear direction is provided in the middle of the upper surface of the lower plate, the height difference between the protrusion and the upper surface of the lower plate is equal to the thickness of one reinforcing sheet, and a protrusion in the front-rear direction is also provided in the middle of the lower surface of the upper plate, and the height difference between the protrusion and the lower surface of the upper plate is equal to the thickness of one reinforcing sheet. Further, the upper surface of the lower bottom plate is provided with two glue overflow grooves which are respectively positioned at the left side and the right side of the raised line, and the lower surface of the upper pressing plate is also provided with two glue overflow grooves which are respectively positioned at the left side and the right side of the raised line. Further, two test boards are clamped between the lower bottom plate and the upper pressing plate, and the two test boards are respectively positioned on the left side and the right side of the lower bottom plate and the upper pressing plate. The reinforcing sheet gluing tool meetin