Stiffness testing device for carbon fiber prepreg tows

Abstract

The utility model discloses a stiffness testing device for a carbon fiber prepreg tow, which comprises a mounting rack I arranged at the top of a stiffness testing device base, the mounting rack I comprises a front rack I and a rear rack I which are fixedly arranged at the front and the rear of the middle of the top of the stiffness testing device base, and a motor I is fixedly arranged at the top of the rear rack I; an output shaft of the first motor is fixedly connected with a reverse threaded rod rotationally connected to the interior of the first rear frame, and the surface of the reverse threaded rod is in threaded connection with a first long column. According to the utility model, the two ends of a plurality of groups of carbon fiber prepreg tows are limited through the cooperative use of the rotating rod and the motor II, and the cylinder I moves upwards and the cylinder II moves downwards through the cooperative use of the motor I, the belt pulley, the belt, the reverse threaded rod and the forward threaded rod; and then multiple groups of carbon fiber prepreg tows are detected, so that the purpose of effectively improving the stiffness testing efficiency of the carbon fiber prepreg tows can be achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of stiffness testing of carbon fiber prepreg tows, in particular to a stiffness testing device for carbon fiber prepreg tows. Background Art

[0002] Carbon fiber prepreg is an intermediate composite material made by combining carbon fiber tows (or carbon fiber woven cloth) with resin pre-coated on release paper under the action of pressure and temperature, and then cooling, laminating, and winding.

[0003] Carbon fiber prepreg tows need to be tested for stiffness before processing to facilitate the selection of suitable carbon fiber prepreg tows for processing together. In order to improve the stiffness test efficiency of carbon fiber prepreg tows, it is necessary to design a stiffness test device for carbon fiber prepreg tows, which adopts the method of performing multiple groups of tests simultaneously to effectively improve the stiffness test efficiency of carbon fiber prepreg tows. Utility Model Content

[0004] The purpose of the utility model is to provide a stiffness testing device for carbon fiber prepreg bundles, wherein a plurality of carbon fiber prepreg bundles are wound on the surfaces of two rotating rods, and the carbon fiber prepreg bundles pass through the top of the surface of cylinder one and the top of the surface of cylinder two, and motor one is operated so that long column one drives cylinder one upward and long column two drives cylinder two downward, thereby effectively improving the stiffness testing efficiency of carbon fiber prepreg bundles to solve the problems raised by the above-mentioned background technology.

[0005] The utility model solves the above-mentioned technical problem with the following technical solution: a stiffness test device for a carbon fiber prepreg bundle, comprising a mounting frame 1 mounted on the top of a base of the stiffness test device, the mounting frame 1 comprising a front frame 1 and a rear frame 1 fixedly mounted on the middle front and rear of the top of the base of the stiffness test device, a motor 1 is fixedly mounted on the top of the rear frame 1, an output shaft of the motor 1 is fixedly connected to a reverse threaded rod rotatably connected to the inside of the rear frame 1, a long column 1 is threadedly connected to the surface of the reverse threaded rod, a cylinder 1 is fixedly connected to the surface of the long column 1, a mounting frame 2 is arranged on the right side of the top of the base of the stiffness test device, the mounting frame 2 comprises a front frame 2 and a rear frame 2 fixedly mounted on the right side of the top of the base of the stiffness test device, a long column 2 is arranged between the front frame 2 and the rear frame 2, The inner cavity of the rear frame 2 is rotatably connected with a forward threaded rod, the top of the forward threaded rod penetrates to the top of the rear frame 2, the bottom of the surface of the reverse threaded rod is connected to the top of the surface of the forward threaded rod through a belt and a pulley transmission, the rear end of the long column 2 is threadedly connected to the surface of the forward threaded rod, the surface of the long column 2 is fixedly connected with a cylinder 2, the front and rear sides of the top of the base of the stiffness testing device are fixedly connected with receiving parts, and a rotating rod is rotatably connected between the front and rear receiving parts, the two sides of the rear side of the top of the base of the stiffness testing device are fixedly installed with a motor 2, the output shaft of the motor 2 is fixedly connected to the rear end of the rotating rod, both sides of the top of the base of the stiffness testing device are provided with arc grooves engaged with the rotating rod, and the surface of the left rotating rod is wound with a carbon fiber prepreg tow.

[0006] Preferably, the inner cavity of the front frame 1 is fixedly connected to a guide rod 1, and the front end of the long column 1 is slidably connected to the surface of the guide rod 1.

[0007] Preferably, the inner cavity of the second front frame is fixedly connected to the second guide rod, and the front end of the second long column is slidably connected to the surface of the second guide rod.

[0008] Preferably, corresponding limiting grooves are provided on the surfaces of the cylinder one and the cylinder two.

[0009] Preferably, the rotating rod is a convex rotating rod.

[0010] Preferably, the carbon fiber prepreg tow passes through the top of the first surface of the cylinder, the bottom of the second surface of the cylinder and the surface wound on the right rotating rod in sequence.

[0011] 1. The beneficial effect of the utility model is as follows: the utility model limits the two ends of multiple groups of carbon fiber prepreg tows through the coordinated use of the rotating rod and the motor 2, and makes the cylinder 1 move upward and the cylinder 2 move downward through the coordinated use of the motor 1, the pulley, the belt, the reverse threaded rod and the forward threaded rod, thereby making the multiple groups of carbon fiber prepreg tows be tested, thereby achieving the purpose of effectively improving the stiffness test efficiency of the carbon fiber prepreg tows.

[0012] 2. The utility model has a limiting effect on multiple groups of carbon fiber prepreg tows by setting the limiting grooves, thereby avoiding the carbon fiber prepreg tows from being randomly displaced during testing, resulting in inaccurate test results.

[0013] 3. The utility model sets the rotating rod as a convex rotating rod, so that the carbon fiber prepreg tow does not need to be tightened after it is wound around the surface of the rotating rod. The second motor drives the rotating rod to rotate and press the carbon fiber prepreg tow on the top of the base of the stiffness testing device, which can be limited and easy to remove. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] in:

[0015] Figure 1 This is a main perspective schematic diagram of an embodiment of the utility model;

[0016] Figure 2 The figure is a three-dimensional schematic diagram of the rear view of an embodiment of the utility model.

[0017] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0018] 1. Stiffness test device base, 2. Mounting frame 1, 21. Front frame 1, 22. Rear frame 1, 3. Motor 1, 4. Reverse threaded rod, 5. Long column 1, 6. Guide rod 1, 7. Cylinder 1, 8. Mounting frame 2, 81. Front frame 2, 82. Rear frame 2, 9. Long column 2, 10. Forward threaded rod, 11. Guide rod 2, 12. Cylinder 2, 13. Socket, 14. Rotating rod, 15. Motor 2, 16. Arc groove, 17. Carbon fiber prepreg tow. DETAILED DESCRIPTION

[0019] Hereinafter, an embodiment of a stiffness testing device for a carbon fiber prepreg tow of the present invention will be described with reference to the accompanying drawings.

[0020] Embodiment 1:

[0021] Figure 1-2A stiffness test device for a carbon fiber prepreg tow according to an embodiment of the utility model is shown, which includes a mounting frame 2 installed on the top of a base 1 of the stiffness test device: the mounting frame 2 includes a front frame 21 and a rear frame 22 fixedly installed in the middle front and rear of the top of the base 1 of the stiffness test device, a motor 3 is fixedly installed on the top of the rear frame 22, the output shaft of the motor 3 is fixedly connected to a reverse threaded rod 4 rotatably connected to the inside of the rear frame 22, a long column 5 is threadedly connected to the surface of the reverse threaded rod 4, the inner cavity of the front frame 21 is fixedly connected to a guide rod 6, the front end of the long column 5 is slidably connected to the surface of the guide rod 6, and the long column 5 is fixedly connected to the inner cavity of the front frame 21. The surface of the stiffness test device is fixedly connected with a cylinder 7, and a mounting frame 8 is arranged on the right side of the top of the stiffness test device base 1. The mounting frame 8 includes a front frame 81 and a rear frame 82 fixedly installed on the front and rear right sides of the top of the stiffness test device base 1. A long column 9 is arranged between the front frame 81 and the rear frame 82. The inner cavity of the rear frame 82 is rotatably connected with a forward threaded rod 10. The top of the forward threaded rod 10 penetrates to the top of the rear frame 82. The bottom of the surface of the reverse threaded rod 4 is connected to the top of the surface of the forward threaded rod 10 through a belt and a pulley transmission. The rear end of the long column 9 is threadedly connected to the surface of the forward threaded rod 10. The inner cavity of the front frame 81 A guide rod 2 11 is fixedly connected, and the front end of the long column 2 9 is slidably connected to the surface of the guide rod 2 11. The surface of the long column 2 9 is fixedly connected to a cylinder 2 12. The surfaces of the cylinder 1 7 and the cylinder 2 12 are provided with corresponding limiting grooves. Through the setting of the limiting grooves, a plurality of groups of carbon fiber prepreg tows 17 are limited, thereby avoiding the carbon fiber prepreg tows 17 from randomly shifting during the test, resulting in inaccurate test results. The top and rear sides of the base 1 of the stiffness test device are fixedly connected with a receiving member 13, and a rotating rod 14 is rotatably connected between the front and rear receiving members 13. The rotating rod 14 is a convex rotating rod. The rotating rod 14 is a convex rotating rod, so that the carbon fiber prepreg bundle 17 does not need to be tightened after being wound around the surface of the rotating rod 14. The motor 2 15 drives the rotating rod 14 to rotate and press the carbon fiber prepreg bundle 17 on the top of the stiffness testing device base 1, which can be limited and easy to remove. The motor 2 15 is fixedly installed on both sides of the rear side of the top of the stiffness testing device base 1, and the output shaft of the motor 2 15 is fixedly connected to the rear end of the rotating rod 14. Arc grooves 16 that engage with the rotating rod 14 are provided on both sides of the top of the stiffness testing device base 1, and the carbon fiber prepreg bundle 17 is wound around the surface of the left rotating rod 14.

[0022] Embodiment 2:

[0023] Figure 1-2A stiffness test device for a carbon fiber prepreg bundle according to an embodiment of the utility model is shown, which includes a mounting frame 2 installed on the top of a base 1 of the stiffness test device: the mounting frame 2 includes a front frame 21 and a rear frame 22 fixedly installed at the front and rear middle of the top of the base 1 of the stiffness test device, a motor 3 is fixedly installed on the top of the rear frame 22, the output shaft of the motor 3 is fixedly connected to a reverse threaded rod 4 rotatably connected to the inside of the rear frame 22, a long column 5 is threadedly connected to the surface of the reverse threaded rod 4, a cylinder 7 is fixedly connected to the surface of the long column 5, a mounting frame 2 8 is arranged on the right side of the top of the base 1 of the stiffness test device, the mounting frame 2 8 includes a front frame 2 81 and a rear frame 2 82 fixedly installed at the front and rear right sides of the top of the base 1 of the stiffness test device, a long column 2 9 is arranged between the front frame 2 81 and the rear frame 2 82, the inner cavity of the rear frame 2 82 is rotatably connected to a forward threaded rod 10, and the top of the forward threaded rod 10 penetrates Pass through to the top of the rear frame 82, the bottom of the surface of the reverse threaded rod 4 and the top of the surface of the forward threaded rod 10 are connected through a belt and a pulley transmission, the rear end of the long column 9 is threadedly connected to the surface of the forward threaded rod 10, and the surface of the long column 9 is fixedly connected to the cylinder 12, and the front and rear sides of the top of the base 1 of the stiffness testing device are fixedly connected with the receiving parts 13, and the rotating rod 14 is rotatably connected between the front and rear receiving parts 13, and the two sides of the top rear side of the stiffness testing device base 1 are fixedly installed with motors 15, and the output shaft of the motor 15 is fixedly connected to the rear end of the rotating rod 14, and arc grooves 16 engaged with the rotating rod 14 are opened on both sides of the top of the base 1 of the stiffness testing device, and the surface of the left rotating rod 14 is wound with a carbon fiber prepreg tow 17, and the carbon fiber prepreg tow 17 passes through the top of the cylinder 7, the bottom of the surface of the cylinder 12 and the surface wound on the right rotating rod 14 in sequence.

[0024] Working principle: When the utility model is used, the user first winds a plurality of carbon fiber prepreg tows 17 on the surface of the left rotating rod 14 in sequence, then runs the left motor 2 15 to drive the rotating rod 14 to engage the carbon fiber prepreg tows 17 in the inner cavity of the arc groove 16, then passes the carbon fiber prepreg tows 17 through the top of the surface of the cylinder 1 7, the bottom of the surface of the cylinder 2 12 and the surface of another rotating rod 14, then runs another motor 2 15 to drive the right rotating rod 14 to rotate, so that the other end of the carbon fiber prepreg tow 17 is engaged in the right arc groove 1 6, and then the motor 3 is operated to rotate the reverse threaded rod 4. When the reverse threaded rod 4 rotates, the long column 5 drives the cylinder 7 to move upward, and with the cooperation of the belt and the pulley, the forward threaded rod 10 is rotated, and then the long column 9 drives the cylinder 12 to move downward. At this time, multiple groups of carbon fiber prepreg tows 17 are tested at the same time, and the test data basis and results are determined by computer programming control. The technology here is the existing technology and will not be elaborated on here, and the purpose of effectively improving the stiffness test efficiency of carbon fiber prepreg tows can be achieved.

[0025] In summary: the stiffness testing device for carbon fiber prepreg tows, through the coordinated use of the rotating rod 14 and the motor 2 15, limits the two ends of multiple groups of carbon fiber prepreg tows 17, and through the coordinated use of the motor 1 3, the pulley, the belt, the reverse threaded rod 4 and the forward threaded rod 10, the cylinder 1 7 moves upward and the cylinder 2 12 moves downward, thereby allowing the multiple groups of carbon fiber prepreg tows 17 to be tested, thereby achieving the purpose of effectively improving the stiffness testing efficiency of the carbon fiber prepreg tows.

Claims

1. A stiffness testing device for carbon fiber prepreg tow, characterized in that: The invention comprises a mounting frame (2) mounted on the top of a stiffness test device base (1): the mounting frame (2) comprises a front frame (21) and a rear frame (22) fixedly mounted in the middle of the top of the stiffness test device base (1), a motor (3) is fixedly mounted on the top of the rear frame (22), an output shaft of the motor (3) is fixedly connected to a reverse threaded rod (4) rotatably connected to the inside of the rear frame (22), and a surface of the reverse threaded rod (4) is threadedly connected to A long column (5), the surface of which is fixedly connected to a cylinder (7), a mounting frame (8) is provided on the right side of the top of the stiffness test device base (1), the mounting frame (8) comprises a front frame (81) and a rear frame (82) fixedly installed at the front and rear right sides of the top of the stiffness test device base (1), a long column (9) is provided between the front frame (81) and the rear frame (82), and the inner cavity of the rear frame (82) is rotatably connected to a positive threaded rod ( 10), the top end of the forward threaded rod (10) penetrates to the top of the rear frame (82), the bottom of the surface of the reverse threaded rod (4) is connected to the top of the surface of the forward threaded rod (10) through a belt and a belt pulley, the rear end of the long column (9) is threadedly connected to the surface of the forward threaded rod (10), the surface of the long column (9) is fixedly connected to the cylinder (12), and the front and rear sides of the top of the stiffness testing device base (1) are fixedly connected to the receiving member (13 ), a rotating rod (14) is rotatably connected between the front and rear receiving parts (13), a second motor (15) is fixedly installed on both sides of the rear side of the top of the stiffness testing device base (1), the output shaft of the second motor (15) is fixedly connected to the rear end of the rotating rod (14), and an arc groove (16) engaged with the rotating rod (14) is provided on both sides of the top of the stiffness testing device base (1), and a carbon fiber prepreg tow (17) is wound on the surface of the left rotating rod (14).

2. A stiffness testing device for carbon fiber prepreg tow according to claim 1, characterized in that: The inner cavity of the front frame 1 (21) is fixedly connected to a guide rod 1 (6), and the front end of the long column 1 (5) is slidably connected to the surface of the guide rod 1 (6).

3. A stiffness testing device for carbon fiber prepreg tow according to claim 2, characterized in that: The inner cavity of the second front frame (81) is fixedly connected to the second guide rod (11), and the front end of the second long column (9) is slidably connected to the surface of the second guide rod (11).

4. A stiffness testing device for carbon fiber prepreg tow according to claim 3, characterized in that: The surfaces of the cylinder one (7) and the cylinder two (12) are both provided with corresponding limiting grooves.

5. A stiffness testing device for carbon fiber prepreg tow according to claim 4, characterized in that: The rotating rod (14) is a convex rotating rod.

6. A stiffness testing device for carbon fiber prepreg tow according to claim 5, characterized in that: The carbon fiber prepreg bundle (17) sequentially passes through the top of the surface of the cylinder one (7), the bottom of the surface of the cylinder two (12), and is wound on the surface of the right rotating rod (14).

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