CN112146979A

CN112146979A - Graphene film manufacturing test stretching device

Info

Publication number: CN112146979A
Application number: CN202010880249.1A
Authority: CN
Inventors: 施思; 金太香
Original assignee: Nanjing Xuyurui Material Technology Co Ltd
Current assignee: Nanjing Xuyurui Material Technology Co Ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2020-12-29

Abstract

The invention discloses a stretching device for graphene film manufacturing test, relates to the technical field of stretching testing machines, and aims to solve the problem that an existing stretching testing machine is not accurate in test result due to the fact that a material is not uniformly stressed because only one end of the existing stretching testing machine is used for applying force and stretching. The lower fixed surface of frame installs the shock pad, and the shock pad is provided with four, the equal fixed mounting in both sides of frame upper surface has electronic guide rail, electronic guide rail's upper end fixed mounting has the transmission case, the one end of transmission case upper surface is provided with servo motor, servo motor passes through motor cabinet and transmission case fixed connection, electronic guide rail's internally mounted has positive and negative tooth ball screw, positive and negative tooth ball screw includes orthodontic screw and anti-tooth screw, and orthodontic screw and anti-tooth screw structure as an organic whole.

Description

Graphene film manufacturing test stretching device

Technical Field

The invention relates to the technical field of tensile testing machines, in particular to a stretching device for manufacturing and testing a graphene film.

Background

The tensile testing machine is also called a material tensile testing machine and a universal tensile strength testing machine, and is a new generation of mechanical detection equipment integrating computer control, automatic measurement, data acquisition, screen display and test result processing. The displacement measuring device is mainly suitable for testing metal and nonmetal materials, such as rubber, plastics, electric wires and cables, optical fiber and optical cables, safety belts, leather belt composite materials and other experiments, adopts an imported photoelectric encoder to measure displacement, adopts an embedded single-chip microcomputer structure for a controller, is internally provided with measurement and control software with powerful functions, and integrates the functions of measurement, control, calculation and storage. The method has the functions of automatically calculating stress, elongation, tensile strength and elastic modulus, and automatically counting the result; automatically recording the force values or the elongation of the maximum point, the breaking point and the designated point; the computer is adopted to dynamically display the test process and the test curve, data processing is carried out, the curve can be amplified through the graphic processing module after the test is finished, data reanalysis and editing are carried out, and reports can be printed.

However, the existing tensile testing machine only applies force and stretches through one end, so that the stress of the material is uneven, and the testing result is inaccurate; therefore, the existing requirements are not met, and a stretching device for graphene film manufacturing tests is provided for the requirement.

Disclosure of Invention

The invention aims to provide a stretching device for graphene film manufacturing test, which aims to solve the problem that the existing stretching testing machine in the background art is not uniform in material stress and inaccurate in testing result due to the fact that force application and stretching are carried out only through one end.

In order to achieve the purpose, the invention provides the following technical scheme: a stretching device for graphene film manufacturing test comprises a machine base, wherein four shock pads are fixedly mounted on the lower surface of the machine base, electric guide rails are fixedly mounted on two sides of the upper surface of the machine base, a transmission seat is fixedly mounted on the upper ends of the electric guide rails, a servo motor is arranged at one end of the upper surface of the transmission seat and is fixedly connected with the transmission seat through a motor seat, positive and negative tooth ball screws are mounted inside the electric guide rails and comprise positive tooth screws and negative tooth screws, the positive tooth screws and the negative tooth screws are of an integrated structure, sliders are mounted on the positive tooth screws and the negative tooth screws, two support plates are fixedly mounted between the sliders of the electric guide rails and are provided with two support plates, adjusting tables are mounted on the outer walls of the two support plates, and the adjusting tables are provided with six adjusting tables, and three a set of evenly distributed is in two backup pads, six all install fixture on the outer wall of adjustment table.

Preferably, both sides positive and negative tooth ball screw's one end all runs through and extends to the inside of transmission, and installs the bearing with the junction of transmission, one side fixed mounting has first synchronous pulley, opposite side on positive and negative tooth ball screw's the outer wall positive and negative tooth ball screw's one end fixed mounting has the second synchronous pulley, first synchronous pulley passes through the hold-in range and is connected with the transmission of second synchronous pulley, servo motor's output runs through and extends to the inside of transmission, and is connected through the transmission of shaft coupling and the positive and negative tooth ball screw of one side.

Preferably, the mechanical sealing element is installed at the junction of the output end of the servo motor and the transmission seat, and the mechanical sealing element is fixedly connected with the transmission seat.

Preferably, fixture includes micro-gap motor, arm lock, accommodate the lead screw and lifing arm, the arm lock sets up in micro-gap motor's both sides, and rotates with micro-gap motor to be connected, install accommodate the lead screw on micro-gap motor's the output, accommodate the lead screw's one end fixed mounting has the stopper, install the lifing arm on the accommodate the lead screw, and the both ends of lifing arm rotate with the arm lock of both sides respectively and are connected.

Preferably, one end of the clamping arm is provided with a rubber anti-skid block, and the rubber anti-skid block is fixedly connected with the clamping arm.

Preferably, the lower extreme fixed mounting of micro-motion motor has positioning screw, the upper surface of adjustment table is provided with the adjustment tank, positioning screw and the adjustment tank sliding connection of micro-motion motor lower extreme, and install the nut with the junction of adjustment tank, one side of adjustment tank is provided with the scale mark, and the scale mark sets up on the outer wall of adjustment table.

Preferably, fixed mounting has the step of ascending a height on the preceding terminal surface of frame, install the electrical cabinet door on the rear end face of frame, one side of electrical cabinet door is passed through the hinge and is connected with the frame rotation, fixed mounting has the handle on the outer wall of electrical cabinet door, the both sides of frame all are provided with the heat dissipation tripe, and the heat dissipation tripe is provided with a plurality of.

Preferably, install on the preceding terminal surface of driving seat and overhaul the apron, and overhaul the apron and pass through screw and driving seat threaded connection.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, two groups of clamping mechanisms are fixed between the sliding blocks of the two electric guide rails, and the transmission parts of the electric guide rails are the positive and negative tooth ball screws, during driving, the sliding blocks on the positive tooth screw and the negative tooth screw can drive the two groups of clamping mechanisms to synchronously move in opposite directions so as to realize the operation that the clamp parts draw close to the center or stretch towards two ends, after the graphene film is fixed, the clamping mechanisms can synchronously stretch towards the two ends and simultaneously apply tension to the upper end and the lower end of the graphene film, compared with a conventional single tension test, the stress is more uniform, and the experimental result is more accurate.

2. Through set up three pairs of fixture in stretching device, once can test three material, the detection efficiency who has effectively improved has practiced thrift the check-out time, and has improved the accuracy that detects through the mode of contrast.

3. Through setting up fixture on the adjustment table, and fixture passes through positioning screw and the adjustment tank sliding connection on the adjustment table, can slide fixture to different positions according to the scale mark on the adjustment table during the use to through the positioning screw of nut locking lower extreme, in order to realize the fixed work to the different loci of graphite alkene membrane, the multiple locus tensile test, acquire more experimental data, further improve the accuracy of test result.

4. Through micro-motion motor control fixture, the output that relies on micro-motion motor drives accommodate the lead screw and rotates, the lifing arm in the control fixture moves down, the arm lock that drives both sides rotates, inwards shrink, in order to accomplish the centre gripping fixed work to the graphene film, one end because of the arm lock is provided with the rubber non slipping spur, the rubber material of rubber non slipping spur for having anti-skidding line, so can not harm the film when the centre gripping, and the anti-skidding line structure of outer wall then can increase the frictional force between arm lock and film, make the centre gripping more stable, avoid the film slippage when tensile.

5. Through set up the step of ascending a height on the preceding terminal surface at the frame, because of equipment adopts upper and lower tensile formula test, when fixed to the graphite alkene membrane there is certain demand to the height, so adopt the step of ascending a height to make things convenient for the staff to accomplish the centre gripping fixed work of graphite alkene membrane more.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the motorized track of the present invention;

FIG. 3 is a schematic view of the internal structure of the transmission seat of the present invention;

FIG. 4 is a schematic view of a clamping mechanism according to the present invention;

FIG. 5 is a schematic top view of the adjusting table of the present invention;

FIG. 6 is a schematic side view of the stand according to the present invention;

in the figure: 1. a machine base; 2. ascending a step; 3. a shock pad; 4. an electric rail; 5. a transmission seat; 6. overhauling the cover plate; 7. a slider; 8. a support plate; 9. a servo motor; 10. a motor base; 11. an adjusting table; 12. a clamping mechanism; 121. a micromotion motor; 122. clamping arms; 123. adjusting the screw rod; 124. a limiting block; 125. a lifting arm; 126. a rubber anti-skid block; 13. a ball screw with positive and negative teeth; 131. an orthodontic screw rod; 132. a reverse-tooth screw rod; 14. a bearing; 15. a first timing pulley; 16. a second timing pulley; 17. a synchronous belt; 18. a coupling; 19. a mechanical seal; 20. positioning a screw rod; 21. a nut; 22. an adjustment groove; 23. scale lines; 24. a heat dissipation louver; 25. an electric control box door; 26. a hinge; 27. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-6, an embodiment of the present invention is shown: a stretching device for graphene film manufacturing test comprises a machine base 1, wherein four shock pads 3 are fixedly mounted on the lower surface of the machine base 1, electric guide rails 4 are fixedly mounted on two sides of the upper surface of the machine base 1, a transmission base 5 is fixedly mounted at the upper ends of the electric guide rails 4, a servo motor 9 is arranged at one end of the upper surface of the transmission base 5, the servo motor 9 is fixedly connected with the transmission base 5 through a motor base 10, positive and negative tooth ball screws 13 are mounted inside the electric guide rails 4, the positive and negative tooth ball screws 13 comprise positive tooth screws 131 and negative tooth screws 132, the positive tooth screws 131 and the negative tooth screws 132 are of an integral structure, sliders 7 are mounted on the positive tooth screws 131 and the negative tooth screws 132, support plates 8 are fixedly mounted between the sliders 7 of the electric guide rails 4 on two sides, the support plates 8 are provided with two, adjusting tables 11 are mounted on the outer walls of the two support plates, the adjusting table 11 is provided with six, and three a set of evenly distributed is on two backup pads 8, all installs fixture 12 on the outer wall of six adjusting tables 11.

Furthermore, one end of each of the positive and negative teeth ball screw 13 on the two sides penetrates through and extends into the transmission seat 5, a bearing 14 is installed at the joint of the positive and negative teeth ball screw 13 on one side and the transmission seat 5, a first synchronous pulley 15 is fixedly installed on the outer wall of the positive and negative teeth ball screw 13 on one side, a second synchronous pulley 16 is fixedly installed at one end of the positive and negative teeth ball screw 13 on the other side, the first synchronous pulley 15 is in transmission connection with the second synchronous pulley 16 through a synchronous belt 17, the output end of the servo motor 9 penetrates through and extends into the transmission seat 5 and is in transmission connection with the positive and negative teeth ball screw 13 on one side through a coupler 18, the output end of the servo motor 9 can drive the positive and negative teeth ball screw 13 on one side to rotate when in use, the positive and negative teeth ball screw 13 on one side is in transmission with the positive and negative teeth ball screw 13 on the other side through, because the two groups of sliders 7 on the electric guide rail 4 are respectively arranged on the orthodontic screw rod 131 and the anti-orthodontic screw rod 132, when the graphene film stretching test device is driven, the two groups of clamping mechanisms 12 can simultaneously stretch up and down or gather towards the center, and the stretching test function of the graphene film is realized.

Further, mechanical seal 19 is installed with the junction of transmission seat 5 to servo motor 9's output, and mechanical seal 19 and transmission seat 5 fixed connection, and mechanical seal 19 can guarantee the sealing performance of servo motor 9 output and transmission chamber 5 junction, avoids the dust to get into from the joint gap and influences transmission effect.

Further, the clamping mechanism 12 includes a micro motor 121, clamping arms 122, a regulating screw rod 123 and a lifting arm 125, the clamping arms 122 are disposed on two sides of the micro motor 121, and are rotatably connected with the micro motor 121, the output end of the micro motor 121 is provided with the regulating screw rod 123, one end of the regulating screw rod 123 is fixedly provided with a limiting block 124, the lifting arm 125 is mounted on the regulating screw rod 123, two ends of the lifting arm 125 are respectively rotatably connected with the clamping arms 122 on two sides, when the output end of the micro motor 121 is rotated, the regulating screw rod 123 can be driven to rotate, the lifting arm 125 is controlled to lift, when the lifting arm 125 moves downwards, the clamping arms 122 on two sides can be driven to contract inwards, so as to achieve the effect of clamping materials.

Further, the one end of arm lock 122 is provided with rubber non slipping spur 126, and rubber non slipping spur 126 and arm lock 122 fixed connection, and rubber non slipping spur 126 is for having the block rubber of anti-skidding line, and it is the flexible glue material, can not harm the film during the centre gripping, and the anti-skidding line structure of outer wall then can increase with the film between frictional force for the centre gripping is more stable.

Further, the lower extreme fixed mounting of micromotor 121 has positioning screw 20, the upper surface of adjustment cabinet 11 is provided with adjustment tank 22, positioning screw 20 and adjustment tank 22 sliding connection of micromotor 121 lower extreme, and install nut 21 with adjustment tank 22's junction, one side of adjustment tank 22 is provided with scale mark 23, and scale mark 23 sets up on the outer wall of adjustment cabinet 11, fixture 12 accessible adjustment tank 22 changes the centre gripping position, and it is fixed to lock through nut 21, in order to realize the tensile test to the different positions of material.

Further, fixed mounting has step 2 of ascending a height on the preceding terminal surface of frame 1, install electronic control box door 25 on the rear end face of frame 1, one side of electronic control box door 25 is passed through hinge 26 and is connected with frame 1 rotation, fixed mounting has handle 27 on the outer wall of electronic control box door 25, the both sides of frame 1 all are provided with heat dissipation tripe 24, and heat dissipation tripe 24 is provided with a plurality of, step 2 of ascending a height can make things convenient for the staff to accomplish the centre gripping fixed work of graphite alkene membrane, be equipped with electrical control mechanism in the frame 1, be used for providing power for the inside electrical control element of device, the heat dissipation tripe 24 of frame 1 both sides can help electrical control equipment to dispel the heat, avoid.

Further, install on the preceding terminal surface of transmission seat 5 and overhaul apron 6, and overhaul apron 6 and pass through screw and 5 threaded connection of transmission seat, it is simple to overhaul apron 6 to adopt the screw connection dismouting, is convenient for overhaul maintenance work to drive mechanism to guarantee the life of device.

The working principle is as follows: when the device is used, the servo motor 9 is started, the output end of the servo motor 9 drives the positive and negative teeth ball screw 13 in the two electric guide rails 4 to synchronously rotate through the transmission action of the synchronous belt 17, the two support plates 8 fixed on the positive and negative teeth screw slide blocks 7 are closed to the center, then the two ends of the graphene film are respectively fixed on the clamping mechanisms 12 of the two support plates 8, the clamping mechanisms 12 are driven by the micromotion motor 121, the output end of the micromotion motor 121 can drive the adjusting screw 123 to rotate when rotating, the lifting arm 125 is controlled to lift, the clamping arms 122 at the two sides are driven to contract inwards by the lifting arm 125 moving downwards, so as to achieve the effect of fixing the graphene film, after the fixing is completed, the servo motor 9 is driven to rotate reversely, the two support plates 8 are driven to separate up and down, so that the clamping mechanisms 12 apply tensile force, so, the clamping mechanism 12 is fixed on the adjusting table 11 and is in sliding connection with the adjusting groove 22 through the positioning screw rod 20, the clamping mechanism 12 can slide to different positions according to the scale marks 23 on the adjusting table 11 during use, and the positioning screw rod 20 at the lower end of the clamping mechanism 12 is locked and fixed through the nut 21, so that the tensile test of different sites of the graphene film is realized, more experimental data are acquired, and the accuracy of a test result is further improved.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a graphene film makes test and uses stretching device, includes frame (1), its characterized in that: the lower fixed surface of frame (1) installs shock pad (3), and shock pad (3) are provided with four, the equal fixed mounting in both sides of frame (1) upper surface has electronic guide rail (4), the upper end fixed mounting of electronic guide rail (4) has transmission seat (5), the one end of transmission seat (5) upper surface is provided with servo motor (9), servo motor (9) pass through motor cabinet (10) and transmission seat (5) fixed connection, the internally mounted of electronic guide rail (4) has positive and negative tooth ball screw (13), positive and negative tooth ball screw (13) include orthodontic screw (131) and anti-tooth lead screw (132), and orthodontic screw (131) and anti-tooth lead screw (132) structure as an organic whole, all install slider (7) on orthodontic screw (131) and anti-tooth lead screw (132), both sides fixed mounting has backup pad (8) between slider (7) of electronic guide rail (4), and backup pad (8) are provided with two, two all install regulation platform (11) on the outer wall of backup pad (8), regulation platform (11) are provided with six, and three a set of evenly distributed is on two backup pads (8), six all install fixture (12) on the outer wall of regulation platform (11).

2. The stretching device for testing the graphene film manufacturing according to claim 1, wherein: both sides the inside of positive and negative tooth ball screw (13) all runs through and extend to transmission gear (5), and installs bearing (14), one side with the junction of transmission gear (5) fixed mounting has first synchronous pulley (15), the opposite side on the outer wall of positive and negative tooth ball screw (13) the one end fixed mounting of positive and negative tooth ball screw (13) has second synchronous pulley (16), first synchronous pulley (15) are connected with second synchronous pulley (16) transmission through hold-in range (17), the output of servo motor (9) runs through and extends to the inside of transmission gear (5), and is connected with positive and negative tooth ball screw (13) transmission of one side through shaft coupling (18).

3. The stretching device for testing the graphene film manufacturing according to claim 1, wherein: mechanical sealing element (19) is installed to the output of servo motor (9) and the junction of transmission seat (5), and mechanical sealing element (19) and transmission seat (5) fixed connection.

4. The stretching device for testing the graphene film manufacturing according to claim 1, wherein: fixture (12) include micro-motion motor (121), arm lock (122), accommodate the lead screw (123) and lift arm (125), arm lock (122) set up in the both sides of micro-motion motor (121), and rotate with micro-motion motor (121) and be connected, install accommodate the lead screw (123) on the output of micro-motion motor (121), the one end fixed mounting of accommodate the lead screw (123) has stopper (124), install lift arm (125) on accommodate the lead screw (123), and the both ends of lift arm (125) rotate with arm lock (122) of both sides respectively and be connected.

5. The stretching device for testing the graphene film manufacturing according to claim 4, wherein: one end of the clamping arm (122) is provided with a rubber anti-skid block (126), and the rubber anti-skid block (126) is fixedly connected with the clamping arm (122).

6. The stretching device for testing the graphene film manufacturing according to claim 4, wherein: the lower extreme fixed mounting of fine motion motor (121) has positioning screw (20), the upper surface of adjustment cabinet (11) is provided with adjustment tank (22), positioning screw (20) and adjustment tank (22) sliding connection of fine motion motor (121) lower extreme, and install nut (21) with the junction of adjustment tank (22), one side of adjustment tank (22) is provided with scale mark (23), and scale mark (23) set up on the outer wall of adjustment cabinet (11).

7. The stretching device for testing the graphene film manufacturing according to claim 1, wherein: fixed mounting has step (2) of ascending a height on the preceding terminal surface of frame (1), install on the rear end face of frame (1) electrical cabinet door (25), one side of electrical cabinet door (25) is passed through hinge (26) and is rotated with frame (1) and be connected, fixed mounting has handle (27) on the outer wall of electrical cabinet door (25), the both sides of frame (1) all are provided with heat dissipation tripe (24), and heat dissipation tripe (24) are provided with a plurality of.

8. The stretching device for testing the graphene film manufacturing according to claim 1, wherein: install on the preceding terminal surface of transmission seat (5) and overhaul apron (6), and overhaul apron (6) and pass through screw and transmission seat (5) threaded connection.