Quick-change multifunctional clamp for universal testing machine

Abstract

The utility model relates to the technical field of universal testing machine discloses a quick replacement type multifunctional clamp for universal testing machine, including machine body, moving plate and servo motor, the upper and lower both ends of machine body inboard are installed with moving plate, the outside of moving plate is installed with servo motor, the servo motor is located in fixed groove inboard, the fixed groove is located in the inboard of machine body, the outside of servo motor is installed with fixed column, the outer wall of servo motor is installed with connecting plate, the connecting plate is located in fixed groove inboard, the fixed groove is located in the inboard of moving plate, the outside of fixed column is connected with threaded column through moving plate, the outside of threaded column is installed with clamp, the inboard of machine body is equipped with replacement mechanism, the utility model is convenient for device to carry out the quick disassembly replacement of clamp, reduces manual operation, improves test efficiency.

Description

Technical Field

[0001] This utility model relates to the field of universal testing machine technology, specifically a quick-change multi-functional fixture for a universal testing machine. Background Technology

[0002] Universal testing machines can perform various performance tests on materials, including tensile, compression, bending, peeling, and shearing. They are widely used experimental instruments for testing material properties and have excellent characteristics such as high precision and high efficiency.

[0003] Existing universal testing machines require manual replacement of corresponding fixtures when performing different experiments, and manual replacement is slow. To address this issue, we propose a quick-change multi-functional fixture for universal testing machines. Utility Model Content

[0004] The purpose of this invention is to provide a quick-change multi-functional fixture for a universal testing machine to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a quick-change multi-functional fixture for a universal testing machine, comprising a body, a movable plate, and a servo motor. The movable plate is installed at the upper and lower ends of the inner side of the body, and the servo motor is installed on the outer side of the movable plate. The servo motor is located inside a fixed slot, which is located inside the body. A fixed column is installed on the outer side of the servo motor, and a connecting plate is installed on the outer wall of the servo motor. The connecting plate is located inside the fixed slot, which is located inside the movable plate. The outer side of the fixed column passes through the movable plate and is connected to a threaded column. A fixture is installed on the outer side of the threaded column. A replacement mechanism is provided on the inner side of the body.

[0006] The replacement mechanism includes a first electric cylinder, a pressing plate, and a sliding structure. First grooves are provided at both ends of the inner side of the machine body. An anti-slip pad is provided inside the first groove. A pressing plate is installed on the outer side of the anti-slip pad. A first electric cylinder is installed on the outer side of the pressing plate. The first electric cylinder is installed inside the machine body. A first storage slot is provided on the rear side of the inner side of the machine body. A fixing frame is provided inside the first storage slot. A third storage slot is provided inside the fixing frame. Two sets of sliding structures are provided on the inner side of the fixing frame. One side of the fixing frame is connected to the first storage slot via a bearing. A drive motor is installed on the other side of the fixing frame.

[0007] Preferably, the sliding structure includes a second electric cylinder, a baffle, and a second storage tank. The third storage tank has baffles on its upper and lower sides. The baffles are located inside the second storage tank, which is located inside the fixed frame. A second electric cylinder is installed on the left side of the baffle and is located inside the fixed frame. A third electric cylinder is located on the right side of the second storage tank. A pressing block is installed on the outside of the third electric cylinder and is located inside the second groove, which is located inside the fixed frame.

[0008] Preferably, the middle positions of the threaded columns at both ends are on the same horizontal line, and the servo motor is connected to the fixed column by a drive connection.

[0009] Preferably, the fixed columns are all fixedly connected to the connecting plate and the threaded column.

[0010] Preferably, the connecting plate and the fixing groove are correspondingly arranged, and the threaded column and the clamp are correspondingly arranged.

[0011] Preferably, the first electric cylinder and the extrusion plate are arranged perpendicularly to each other, and the extrusion plate and the anti-slip pad are arranged in close contact.

[0012] Preferably, the fixed frame is rotatably connected to the first storage tank, and the fixed frame is drivenly connected to the drive motor.

[0013] Preferably, the fixing frame and the first storage tank are correspondingly arranged, and the fixing frame and the third storage tank are integrated.

[0014] Preferably, the second electric cylinder is fixedly connected to the baffle, the baffle is L-shaped, and the baffle is slidably connected to the second storage tank.

[0015] Preferably, the middle position of the third storage tank is on the same horizontal line as the middle position of the threaded column.

[0016] Compared with existing technologies, the beneficial effects of this utility model are:

[0017] By setting up a first electric cylinder, an extrusion plate, and a sliding structure, the control system starts the machine body to drive the moving plate, precisely moving the fixture to be replaced to the work position between the two extrusion plates. The first electric cylinder is started to push the extrusion plate and the anti-slip pad to clamp and lock the fixture. The servo motor drives the threaded column to rotate in the opposite direction through the fixed column, realizing the mechanical separation of the fixture and the threaded column. The moving plate carries the disassembled threaded column back to its position, and the user holds the fixture to be replaced. The first electric cylinder;

[0018] Secondly, the drive motor rotates the fixed frame 90°, so that the mounting surface of the new fixture is automatically aligned with the axis of the threaded column. The moving plate carries the threaded column forward and stops when it is 1mm away from the fixture. The servo motor is started to make the threaded column engage with the new fixture, so that the device can quickly disassemble and replace the fixture, reduce manual operation, and improve testing efficiency. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. In all drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0020] Figure 1 This is a front view structural diagram of the present invention;

[0021] Figure 2 This is a frontal cross-sectional view of the present invention.

[0022] Figure 3 This is a front cross-sectional view of the replacement mechanism used in this utility model.

[0023] Figure 4 This is a partially enlarged structural schematic diagram of the replacement mechanism of this utility model;

[0024] Figure 5 This is a top view of the structure of this utility model.

[0025] In the diagram: 1. Body; 2. Moving plate; 3. Servo motor; 4. Fixed column; 5. Connecting plate; 6. Fixed groove; 7. Threaded column; 8. Fixture; 9. Changing mechanism; 901. First electric cylinder; 902. Extrusion plate; 903. Anti-slip pad; 904. First groove; 905. First storage tank; 906. Fixing frame; 907. Third storage tank; 908. Second electric cylinder; 909. Baffle; 910. Second storage tank; 911. Third electric cylinder; 912. Extrusion block; 913. Second groove; 914. Bearing; 915. Drive motor. Detailed Implementation

[0026] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0027] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0028] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0029] Please see Figure 1-5 This utility model provides a technical solution for a quick-change multi-functional fixture for a universal testing machine: A quick-change multi-functional fixture for a universal testing machine includes a body 1, a moving plate 2, and a servo motor 3. The moving plate 2 is installed at the upper and lower ends of the inner side of the body 1, and the servo motor 3 is installed on the outer side of the moving plate 2. The servo motor 3 is located inside the fixing groove 6, which is located inside the body 1. A fixing column 4 is installed on the outer side of the servo motor 3, and a connecting plate 5 is installed on the outer wall of the servo motor 3. The connecting plate 5 is located inside the fixing groove 6, which is located inside the moving plate 2. The outer side of the fixing column 4 passes through the moving plate 2 and is connected to a threaded column 7. A fixture 8 is installed on the outer side of the threaded column 7, and a replacement mechanism 9 is provided on the inner side of the body 1.

[0030] The replacement mechanism 9 includes a first electric cylinder 901, a pressing plate 902, and a sliding structure. The left and right ends of the inner side of the machine body 1 are provided with a first groove 904. The inside of the first groove 904 is provided with an anti-slip pad 903. The outside of the anti-slip pad 903 is installed with the pressing plate 902. The outside of the pressing plate 902 is installed with the first electric cylinder 901. The first electric cylinder 901 is installed inside the machine body 1. The rear side of the inside of the machine body 1 is provided with a first storage slot 905. The inside of the first storage slot 905 is provided with a fixing frame 906. The inside of the fixing frame 906 is provided with a third storage slot 907. The inside of the fixing frame 906 is provided with two sets of sliding structures. One side of the fixing frame 906 is connected to the first storage slot 905 through a bearing 914. The other side of the fixing frame 906 is provided with a drive motor 915.

[0031] The sliding structure includes a second electric cylinder 908, a baffle 909, and a second storage tank 910. The upper and lower sides of the third storage tank 907 are provided with baffles 909. The baffles 909 are located inside the second storage tank 910, which is located inside the fixed frame 906. The second electric cylinder 908 is installed on the left side of the baffle 909 and is installed inside the fixed frame 906. The third electric cylinder 911 is provided on the right side of the second storage tank 910. A pressing block 912 is installed on the outside of the third electric cylinder 911 to assist in sample positioning and improve test accuracy. The pressing block 912 is located inside the second groove 913, which is located inside the fixed frame 906.

[0032] The second electric cylinder 908 on the left is activated, which drives the baffle 909 to slide inside the second storage tank 910 to block the clamp 8. The user places the clamp 8 inside the third storage tank 907, and the clamp 8 contacts the baffle 909. Then the third electric cylinder 911 is activated, which drives the pressing block 912 to slide. The pressing block 912 clamps and fixes the clamp 8, so that the middle position of the clamp 8 is on the same horizontal line as the middle position of the third storage tank 907, so that the new clamp 8 can be replaced at any time.

[0033] The middle positions of the upper and lower threaded columns 7 are on the same horizontal line, and the servo motor 3 and the fixed column 4 are connected for driving.

[0034] The fixed column 4 is fixedly connected to the connecting plate 5 and the threaded column 7.

[0035] The connecting plate 5 and the fixing groove 6 are correspondingly set, and the threaded column 7 and the clamp 8 are correspondingly set.

[0036] The first electric cylinder 901 and the extrusion plate 902 are arranged perpendicularly to each other, and the extrusion plate 902 and the anti-slip pad 903 are arranged in close contact.

[0037] The fixed frame 906 is rotatably connected to the first storage tank 905, and the fixed frame 906 is drivenly connected to the drive motor 915.

[0038] The fixing frame 906 is correspondingly set with the first storage tank 905, and the fixing frame 906 is integrated with the third storage tank 907.

[0039] The second electric cylinder 908 is fixedly connected to the baffle 909, which is L-shaped, and the baffle 909 is slidably connected to the second storage tank 910.

[0040] The middle position of the third storage tank 907 is on the same horizontal line as the middle position of the threaded column 7, and is used to store spare fixtures 8 and samples to reduce replacement time.

[0041] Working principle:

[0042] First, the control system starts the machine body 1 to drive the moving plate 2, which precisely moves the fixture 8 to be replaced to the work position between the two extrusion plates 902. The first electric cylinder 901 is started to push the extrusion plate 902 and the anti-slip pad 903 to clamp and lock the fixture 8. The servo motor 3 drives the threaded column 7 to rotate in the opposite direction through the fixed column 4, so as to realize the mechanical separation of the fixture 8 and the threaded column 7. The moving plate 2 carries the disassembled threaded column 7 back to its position. The user holds the fixture 8 to be replaced and the first electric cylinder 901.

[0043] Secondly, the drive motor 915 drives the fixed frame 906 to rotate 90°, so that the mounting surface of the new fixture 8 is automatically aligned with the axis of the threaded column 7. The moving plate 2 carries the threaded column 7 forward to a distance of 1mm from the fixture 8 and stops. The servo motor 3 is started to make the threaded column 7 engage with the new fixture 8, so that the device can quickly disassemble and replace the fixture 8, reduce manual operation, and improve testing efficiency.

[0044] Although embodiments of the present utility have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present utility, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A quick-change multi-functional fixture for a universal testing machine, comprising a body (1), a moving plate (2), and a servo motor (3), characterized in that: The upper and lower ends of the inner side of the body (1) are equipped with movable plates (2), and the outer side of the movable plates (2) is equipped with servo motors (3). The servo motors (3) are located inside the fixed groove (6). The fixed groove (6) is located inside the body (1). The outer side of the servo motors (3) is equipped with fixed columns (4). The outer wall of the servo motors (3) is equipped with connecting plates (5). The connecting plates (5) are located inside the fixed groove (6). The fixed groove (6) is located inside the movable plates (2). The outer side of the fixed columns (4) passes through the movable plates (2) and is connected to the threaded columns (7). The outer side of the threaded columns (7) is equipped with clamps (8). The inner side of the body (1) is equipped with a replacement mechanism (9). The replacement mechanism (9) includes a first electric cylinder (901), a pressing plate (902), and a sliding structure. The left and right ends of the inner side of the machine body (1) are provided with first grooves (904). An anti-slip pad (903) is provided inside the first groove (904). The pressing plate (902) is installed on the outer side of the anti-slip pad (903). The first electric cylinder (901) is installed on the outer side of the pressing plate (902). The first electric cylinder (901) is installed inside the machine body (1). On the side, a first storage slot (905) is provided on the rear side inside the body (1). A fixing frame (906) is provided inside the first storage slot (905). A third storage slot (907) is provided inside the fixing frame (906). Two sets of sliding structures are provided on the inner side of the fixing frame (906). One side of the fixing frame (906) is connected to the first storage slot (905) through a bearing (914). A drive motor (915) is installed on the other side of the fixing frame (906).

2. The quick-change multi-functional fixture for a universal testing machine according to claim 1, characterized in that: The sliding structure includes a second electric cylinder (908), a baffle (909), and a second storage tank (910). The third storage tank (907) has baffles (909) on its upper and lower sides. The baffles (909) are located inside the second storage tank (910), which is located inside the fixed frame (906). The second electric cylinder (908) is installed on the left side of the baffle (909) and is located inside the fixed frame (906). The third electric cylinder (911) is located on the right side of the second storage tank (910). A pressing block (912) is installed on the outside of the third electric cylinder (911). The pressing block (912) is located inside the second groove (913), which is located inside the fixed frame (906).

3. The quick-change multi-functional fixture for a universal testing machine according to claim 2, characterized in that: The middle positions of the threaded columns (7) at both ends are on the same horizontal line, and the servo motor (3) and the fixed column (4) are connected by a drive.

4. A quick-change multi-functional fixture for a universal testing machine according to claim 3, characterized in that: The fixed column (4) is fixedly connected to the connecting plate (5) and the threaded column (7).

5. A quick-change multi-functional fixture for a universal testing machine according to claim 4, characterized in that: The connecting plate (5) and the fixing groove (6) are correspondingly arranged, and the threaded column (7) and the clamp (8) are correspondingly arranged.

6. A quick-change multi-functional fixture for a universal testing machine according to claim 5, characterized in that: The first electric cylinder (901) and the extrusion plate (902) are arranged perpendicularly to each other, and the extrusion plate (902) and the anti-slip pad (903) are arranged in close contact.

7. A quick-change multi-functional fixture for a universal testing machine according to claim 6, characterized in that: The fixed frame (906) is rotatably connected to the first storage tank (905), and the fixed frame (906) is drivenly connected to the drive motor (915).

8. A quick-change multi-functional fixture for a universal testing machine according to claim 7, characterized in that: The fixing frame (906) is correspondingly arranged with the first storage tank (905), and the fixing frame (906) is integrated with the third storage tank (907).

9. A quick-change multi-functional fixture for a universal testing machine according to claim 8, characterized in that: The second electric cylinder (908) is fixedly connected to the baffle (909), the baffle (909) is L-shaped, and the baffle (909) is slidably connected to the second storage tank (910).

10. A quick-change multi-functional fixture for a universal testing machine according to claim 9, characterized in that: The middle position of the third storage tank (907) is on the same horizontal line as the middle position of the threaded column (7).

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