Improved electronic torsion testing machine

Abstract

The utility model relates to the technical field of electronic torsion testing machines, in particular to an improved electronic torsion testing machine which comprises an operation table, supporting legs are installed at the corners of the bottom of the operation table, and a box body is installed above one end of the operation table. A window is formed in one side of the box body, a bearing plate is arranged in the box body and corresponds to the window, the two sides of the bearing plate are connected with the inner wall of the box body through drawer sliding rails, and a sealing door corresponding to the window is further installed on the side, close to the window, of the bearing plate. A U-shaped base is arranged above the bearing plate, a linear motor is installed at the bottom of the U-shaped base, and a sliding rail of the linear motor is fixed to the bearing plate. When the improved electronic torsion testing machine is used, the improved electronic torsion testing machine enables a workpiece to be tested to be moved out of the box body to be mounted during mounting or dismounting through the splicing between the connecting shaft and the driving shaft and the transverse and longitudinal movement of the U-shaped seat on the horizontal plane, so that the convenience during use is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic torsion testing machine technical field especially relates to an improved electronic torsion testing machine. BACKGROUND

[0002] Electronic torsion testing machine is used for measuring torsion spring, clockwork, screw, other metal or nonmetal material and carries out torsion strength test of various shapes, and can also carry out torsion test to parts and components by increasing corresponding accessories, which is necessary test instrument for quality inspection unit, college and university, scientific research institution and industrial and mining enterprise.

[0003] At present, in order to improve the measurement accuracy of electronic torsion testing machine, the workpiece to be measured is placed in a closed box with adjustable temperature for measurement, so that the torsion strength of the workpiece under different environmental temperatures can be measured, the heat loss in the closed box can be reduced, and the size of the window provided on the closed box is limited, so that the placement and taking of the workpiece are hindered. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of improved electronic torsion testing machines to solve the above-mentioned shortcomings in prior art.

[0005] To achieve the above object, the utility model adopts the following technical scheme: design an improved electronic torsion testing machine, including operation platform, support leg is installed in the bottom corner of operation platform, box is installed on the top of one end of operation platform;

[0006] Window is provided on the side of box, bearing plate is provided in the box, bearing plate corresponds with window, and the two sides of bearing plate are connected with the inner wall of box by drawer slide rail, sealing door corresponding with window is also installed on the side of bearing plate close to window;

[0007] U-shaped seat is provided above bearing plate, linear motor is installed at the bottom of U-shaped seat, the slide rail of linear motor is fixed on bearing plate, first clamp and second clamp are respectively provided above two ends of U-shaped seat, first clamp and second clamp are oppositely arranged, first clamp is fixed in U-shaped seat by sliding assembly, and coaxial connecting shaft is installed on the side away from first clamp of second clamp, connecting shaft is rotatably installed on first fixed seat, and first fixed seat is fixed on the end of U-shaped seat, coaxial cylindrical cavity is provided on the other end of connecting shaft, and a plurality of limit grooves are provided on the inner side of cylindrical cavity along the axial direction of connecting shaft.

[0008] A driving shaft is arranged at the end of the connecting shaft away from the second clamp, the driving shaft penetrates through the box body and is rotationally connected with the box body, one end of the driving shaft is provided with a limiting shaft corresponding to the cylindrical cavity, a limiting block corresponding to the limiting groove is arranged on the side surface of the limiting shaft, and the other end of the driving shaft is connected with a torque sensor, and the other end of the torque sensor is connected with a driving motor.

[0009] Preferably, a heating assembly and a temperature sensor are arranged on the inner wall of the box body, a control cabinet is arranged on the operation table, a controller is arranged in the control cabinet, and the controller is connected with the heating assembly, the temperature sensor, the driving motor, the torque sensor and the linear motor through wires.

[0010] Preferably, a lighting lamp and a high-definition camera are arranged on the top of the box body, the lighting lamp and the high-definition camera are connected with the controller through wires, the orthographic projection of the high-definition camera is located between the first clamp and the second clamp, and an air-exchanging fan is further arranged on the top of the box body and connected with the controller through wires.

[0011] A display is arranged on the top of the end of the operation table away from the box body and connected with the controller through wires.

[0012] Preferably, a sealing gasket is arranged on the edge of the sealing door close to the window and corresponds to the box body, and the sealing door is connected with the box body through a lock buckle.

[0013] Preferably, the driving motor and the torque sensor are arranged in a machine box, the machine box is fixed on the operation table, and a ventilation hole is arranged on the side surface of the machine box.

[0014] Preferably, the sliding assembly comprises at least two guide shafts arranged along the length direction of the linear motor, the guide shafts are arranged in the U-shaped seat, the end portions of the guide shafts are fixed to the end portions of the U-shaped seat, support seats are arranged on the guide shafts, the support seats are connected with the guide shafts through sliding seats, and the second fixing seat is arranged on the top of the support seat, and the first clamp is fixed to the second fixing seat.

[0015] Locking bolts are threadedly connected to the two ends of the support seat and correspond to the guide shafts.

[0016] The design scheme of the utility model has the following beneficial effects in the application process:

[0017] 1. The improved electronic torsion testing machine can pull out the bearing plate to the outside of the box body, so that the workpiece to be measured is not hindered by the cavity space in the box body and the size of the window when being installed or disassembled, and after the bearing plate is pushed back into the box body, the linear motor can push the connecting shaft onto the driving shaft and connect them, so that the driving shaft can drive the workpiece to twist when rotating, thereby ensuring the normal operation of the torsion test.

[0018] 2、The improved electronic torsion testing machine can adjust the distance between the two clamps according to the length of the workpiece to be tested through the sliding of the first clamp, so as to install the workpiece and normally drive the torsion.

[0019] 3、The improved electronic torsion testing machine shoots the position between the two clamps through the high-definition camera, so that the operator can observe the torsion state of the workpiece on the display. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structure schematic view of the utility model;

[0021] Figure 2 It is a structure schematic view above the bearing plate of the utility model;

[0022] Figure 3 It is a top cross-sectional structure view of the box body of the utility model;

[0023] Figure 4 It is a cross-sectional front view of the utility model.

[0024] In the figure: 1, operation table; 2, support leg; 3, box body; 4, window; 5, bearing plate; 6, drawer slide rail; 7, sealing door; 8, U-shaped seat; 9, linear motor; 10, first clamp; 11, second clamp; 12, first fixed seat; 13, connecting shaft; 14, cylindrical cavity; 15, limiting groove; 16, driving shaft; 17, limiting shaft; 18, limiting block; 19, torque sensor; 20, driving motor; 21, case; 22, second fixed seat; 23, support seat; 24, guide shaft; 25, locking bolt; 26, heating assembly; 27, temperature sensor; 28, illuminating lamp; 29, high-definition camera; 30, air exchanger; 31, control cabinet; 32, display; 33, keyboard; 34, mouse. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0026] Referring to Figures 1-4 An improved electronic torsion testing machine, comprising an operation table 1, support legs 2 are installed at the bottom corners of the operation table 1, and a box body 3 is installed above one end of the operation table 1;

[0027] As Figure 4As shown, a heating element 26 and a temperature sensor 27 are installed on the inner wall of the chamber 3. A control cabinet 31 is installed on the operating table 1. A controller is installed in the control cabinet 31. The controller is connected to the heating element 26 and the temperature sensor 27 through wires. In actual use, the heating element 26 is either a heating rod or a heating wire; and the controller is either a control host or a PLC logic controller. When performing a torsion test on the workpiece, the temperature inside the chamber 3 can be increased through the heating element 26 to simulate the temperature of different workpieces under different working environments, so that the measurement data is more accurate.

[0028] An illumination lamp 28 and a high-definition camera 29 are installed on the top of the chamber 3. Both the illumination lamp 28 and the high-definition camera 29 are connected to the controller via wires. The frontal projection of the high-definition camera 29 is located between the first clamp 10 and the second clamp 11. A ventilation fan 30 is also installed on the top of the chamber 3, and the ventilation fan 30 is connected to the controller via wires. A monitor 32 is installed on the top of the end of the operating table 1 away from the chamber 3. The monitor 32 is connected to the controller via wires. The high-definition camera 29 will capture images of the inside of the chamber 3 so that the operator can watch the test process in front of the monitor 32. The ventilation fan 30 can exhaust the hot air inside the chamber 3, thereby lowering the temperature inside the chamber 3.

[0029] It should be further noted that, in order to facilitate the operator's control of the electronic torsion testing machine, a keyboard 33 and a mouse 34 are also provided on the control panel 1. Both the keyboard 33 and the mouse 34 are connected to the controller via wires.

[0030] A window 4 is provided on one side of the box body 3. A support plate 5 is provided inside the box body 3, which corresponds to the window 4. Both sides of the support plate 5 are connected to the inner wall of the box body 3 through drawer slides 6. A sealing door 7 corresponding to the window 4 is also installed on the side of the support plate 5 near the window 4. A sealing gasket is installed on the edge of the sealing door 7 near the window 4, which corresponds to the box body 3. The sealing door 7 is connected to the box body 3 by a latch. When the sealing door 7 is closed, heat loss can be reduced.

[0031] like Figure 2 As shown, a U-shaped seat 8 is provided above the support plate 5, and a linear motor 9 is installed at the bottom of the U-shaped seat 8. The linear motor 9 is connected to the controller through wires. The slide rail of the linear motor 9 is fixed on the support plate 5. A first clamp 10 and a second clamp 11 are provided at both ends above the U-shaped seat 8. The first clamp 10 and the second clamp 11 are arranged opposite to each other. In actual use, the two clamps are either a chuck or a vise.

[0032] The first clamp 10 is fixed in the U-shaped seat 8 through a sliding assembly, wherein the sliding assembly comprises at least two guide shafts 24 arranged along the length direction of the linear motor 9, the guide shafts 24 are arranged in the U-shaped seat 8, and the end portions of the guide shafts 24 are fixed with the end portions of the U-shaped seat 8, a support seat 23 is arranged on the guide shaft 24, the support seat 23 is connected with the guide shaft 24 through a sliding seat, and the top of the support seat 23 is provided with a second fixing seat 22, wherein the first clamp 10 is fixed on the second fixing seat 22, and the first clamp 10 can adjust the distance between the two clamps through the sliding of the support seat 23 on the guide shaft 24, so that the two clamps can be used to fix workpieces of different lengths, and the use adaptability of the clamp is improved.

[0033] In order to improve the stability of the workpiece after being fixed by the clamp, locking bolts 25 are threadedly connected at both ends of the support seat 23, the locking bolts 25 correspond to the guide shafts 24, and after the workpiece is fixed, the first clamp 10 is fixed, so that when the workpiece is twisted, the torsion of the workpiece will not pull the first clamp 10, and then affect the stress of the workpiece and the subsequent torsion effect.

[0034] As shown in Figure 2 , the second clamp 11 is coaxially provided with a connecting shaft 13 away from the first clamp 10, the connecting shaft 13 is rotatably arranged on the first fixing seat 12, and the first fixing seat 12 is fixed on the end portion of the U-shaped seat 8, a cylindrical cavity 14 is coaxially arranged at the other end of the connecting shaft 13, and a plurality of limiting grooves 15 are arranged on the inner side of the cylindrical cavity 14 along the axis direction of the connecting shaft 13. Figure 3 and Figure 4 As shown in , a driving shaft 16 is arranged at the end of the connecting shaft 13 away from the second clamp 11, the driving shaft 16 penetrates the box body 3 and is rotatably connected with the box body 3, a limiting shaft 17 corresponding to the cylindrical cavity 14 is arranged at one end of the driving shaft 16, a limiting block 18 corresponding to the limiting groove 15 is arranged on the side surface of the limiting shaft 17, and the other end of the driving shaft 16 is connected with a torque sensor 19, the other end of the torque sensor 19 is connected with a driving motor 20, the driving motor 20 and the torque sensor 19 are connected with the controller through wires, the driving motor 20 provides power for the torsion of the workpiece, and the data of the workpiece torsion test is collected through the torque sensor 19.

[0035] Specifically, in use, first, the bearing plate 5 is extracted from the box 3, then the workpiece to be measured is taken and fixed between the two clamps, after the workpiece is fixed, the bearing plate 5 is pushed back into the box 3, and the sealing door 7 is fixed on the box 3, at this time, the linear motor 9 pushes the U-shaped seat 8 to be close to the driving shaft 16, and the connecting shaft 13 is sleeved on the limiting shaft 17, and the limiting block 18 is inserted into the limiting groove 15, so that the driving shaft 16 can drive the connecting shaft 13 to rotate, thereby realizing the torsion operation of the workpiece, with the rotation of the driving shaft 16, the torque sensor 19 transmits the monitoring data to the controller, and the collected data is displayed on the display 32 for the operator to observe.

[0036] Further, the driving motor 20 and the torque sensor 19 are arranged in the case 21, and the case 21 is fixed on the operation table 1, and the ventilation hole is formed in the side of the case 21, so that the inside of the case 21 is ventilated, and the normal heat dissipation of the driving motor 20 is ensured.

[0037] It should be further explained that the linear motor 9 is a double-mover linear motor, and the two movers are fixed at the two ends of the bottom of the U-shaped seat 8, so that the horizontal movement of the U-shaped seat 8 is more stable.

[0038] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An improved electronic torsion testing machine, comprising an operating table (1), support legs (2) are installed at the bottom corners of the operating table (1), characterized in that: A box (3) is installed above one end of the operating table (1); A window (4) is formed on one side of the box (3), a bearing plate (5) is arranged in the box (3), the bearing plate (5) corresponds to the window (4), and the two sides of the bearing plate (5) are connected with the inner wall of the box (3) through drawer slide rails (6), and a sealing door (7) corresponding to the window (4) is also installed on the side of the bearing plate (5) close to the window (4); A U-shaped seat (8) is arranged above the bearing plate (5), a linear motor (9) is installed at the bottom of the U-shaped seat (8), the slide rail of the linear motor (9) is fixed on the bearing plate (5), first and second clamps (10) and (11) are respectively arranged at the two ends of the U-shaped seat (8), the first clamp (10) is fixed in the U-shaped seat (8) through a sliding assembly, and the second clamp (11) is coaxially arranged with a connecting shaft (13) on the side away from the first clamp (10), the connecting shaft (13) is rotatably arranged in a first fixed seat (12), and the first fixed seat (12) is fixed on the end of the U-shaped seat (8), a cylindrical cavity (14) is coaxially arranged at the other end of the connecting shaft (13), and a plurality of limiting grooves (15) are arranged in the inner side of the cylindrical cavity (14) along the axis direction of the connecting shaft (13); A driving shaft (16) is arranged at the end of the connecting shaft (13) away from the second clamp (11), the driving shaft (16) penetrates the box (3) and is rotatably connected with the box (3), a limiting shaft (17) corresponding to the cylindrical cavity (14) is arranged at one end of the driving shaft (16), a limiting block (18) corresponding to the limiting groove (15) is arranged on the side surface of the limiting shaft (17), and the other end of the driving shaft (16) is connected with a torque sensor (19), and the other end of the torque sensor (19) is connected with a driving motor (20).

2. The improved electronic torsion testing machine according to claim 1, characterized in that: A heating assembly (26) and a temperature sensor (27) are arranged on the inner wall of the box (3), a control cabinet (31) is arranged on the operating table (1), a controller is arranged in the control cabinet (31), and the controller is connected with the heating assembly (26), the temperature sensor (27), the driving motor (20), the torque sensor (19) and the linear motor (9) through wires.

3. The improved electronic torsion testing machine according to claim 2, wherein: A lighting lamp (28) and a high-definition camera (29) are arranged on the top of the box (3), the lighting lamp (28) and the high-definition camera (29) are connected with the controller through wires, the orthographic projection of the high-definition camera (29) is located between the first clamp (10) and the second clamp (11), and an air exchange fan (30) is also arranged on the top of the box (3) and connected with the controller through wires; A display (32) is arranged on the top of the end of the operating table (1) away from the box (3), and the display (32) is connected with the controller through wires.

4. The improved electronic torsion testing machine as claimed in claim 1, wherein: A sealing gasket is arranged on the edge of the sealing door (7) close to the window (4), the sealing gasket corresponds to the box (3), and the sealing door (7) is connected with the box (3) through a lock catch.

5. The improved electronic torsion testing machine as claimed in claim 1, wherein: The driving motor (20) and the torque sensor (19) are arranged in the cabinet (21), and the cabinet (21) is fixed on the operation table (1), and a ventilation hole is arranged on the side of the cabinet (21).

6. The improved electronic torsion testing machine as claimed in claim 1, wherein: The sliding assembly comprises at least two guide shafts (24) arranged along the length direction of the linear motor (9), the guide shafts (24) are arranged in the U-shaped seat (8), the end portions of the guide shafts (24) are fixed with the end portions of the U-shaped seat (8), support seats (23) are arranged on the guide shafts (24), the support seats (23) are connected with the guide shafts (24) through sliding seats, the top portions of the support seats (23) are provided with second fixing seats (22), and the first clamp (10) is fixed on the second fixing seat (22). Locking bolts (25) are threadedly connected to the two end portions of the support seat (23), and the locking bolts (25) correspond to the guide shafts (24).

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