Rapid positioning and pasting device for resistance strain gauges

Abstract

The utility model discloses a rapid positioning and pasting device for a resistance strain gauge, and relates to the technical field of pasting devices. The device solves the problems that an existing device can only conduct horizontal and transverse adjustment, cannot limit a resistance strain gauge, is prone to falling off and shifting, cannot detect the extrusion force of the resistance strain gauge and is prone to crushing the resistance strain gauge and a workpiece, and the device comprises a vehicle body, and the upper surface of the vehicle body is provided with a position adjusting mechanism; the movable end of the position adjusting mechanism is fixedly connected with a resistance strain gauge elastic lifting and placing mechanism, and the movable end of the resistance strain gauge elastic lifting and placing mechanism is internally provided with a detectable elastic extrusion mechanism. The resistance strain gauges can be driven to transversely and longitudinally move on the horizontal plane through the arranged adjusting mechanism, practicability is improved, the resistance strain gauges can be prevented from moving during lifting and extrusion pasting through the arranged resistance strain gauge elastic lifting and placing mechanism, and therefore the pasting effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pasting devices, in particular to a resistance strain gauge rapid positioning pasting device. Background Art

[0002] The resistance strain gauge is an element composed of sensitive grids and other components used to measure strain. The working principle of the resistance strain gauge is based on the strain effect, that is, when the conductor or semiconductor material is mechanically deformed under the action of external force, its resistance value also changes accordingly, thereby measuring the strain value of the material under the action of external force. In scientific experiments, strain gauge pasting is an important step. After searching, the Chinese patent publication number CN220470406U discloses a resistance strain gauge pasting device, including an adjustment box, and the lower side of the adjustment box is fixedly connected with a hydraulic rod, which can accurately locate the strain gauge pasting position, improve the strain gauge pasting efficiency, and replace manual pressing, so that the resistance strain gauge is evenly stressed, which can improve the quality of strain gauge pasting and facilitate large-scale production.

[0003] Although the above technical solution can realize the automatic pasting of the resistance strain gauge to improve efficiency, it can only be adjusted horizontally during use, and the position adjustment is limited. In addition, the resistance strain gauge cannot be limited, and it is easy to fall and shift. In addition, the extrusion force of the resistance strain gauge cannot be detected, and the resistance strain gauge and the workpiece are easily crushed. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a device for quickly positioning and pasting a resistance strain gauge, which solves the problems in the background technology that the prior device can only perform horizontal lateral adjustment and cannot limit the resistance strain gauge, which is prone to falling and offset, and cannot detect the extrusion force of the resistance strain gauge, which is prone to crushing the resistance strain gauge and the workpiece.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a resistance strain gauge rapid positioning and pasting device, comprising a vehicle body, a position adjustment mechanism is installed on the upper surface of the vehicle body, a movable end of the position adjustment mechanism is fixedly connected to a resistance strain gauge elastic lifting and placing mechanism, and a detectable elastic extrusion mechanism is installed inside the movable end of the resistance strain gauge elastic lifting and placing mechanism;

[0006] The position adjustment mechanism includes a slide groove opened on the upper surface of the vehicle body, a first motor is fixedly installed on one side of the outer surface of the vehicle body, the output shaft of the first motor is fixedly connected to a first screw rod rotatably connected to the inside of the vehicle body, and the outer surface of the first screw rod is threadedly connected to a first slider slidably connected to the inner wall of the slide groove.

[0007] Preferably, the top of the first slider is fixedly connected to a rectangular frame, a second motor is fixedly installed on one side of the outer surface of the rectangular frame, the output shaft of the second motor is fixedly connected to a second screw rod rotatably connected to the inside of the rectangular frame, the outer surface of the second screw rod is threadedly connected to a second slider slidably connected to the inner wall of the rectangular frame, and the elastic lifting and placement mechanism of the resistance strain gauge is fixedly installed on the top of the second slider, which can drive the resistance strain gauge to move in a lateral position to adjust the lateral position of the resistance strain gauge.

[0008] Preferably, the elastic lifting and placement mechanism of the resistance strain gauge includes a first electric push rod fixedly installed on the top of the second slider, the top of the first electric push rod is fixedly connected to a base plate, the upper surface of the base plate is fixedly connected to a first spring, and the top of the first spring is fixedly connected to a resistance strain gauge placement frame, which can drive the resistance strain gauge to be lifted and lowered so that the resistance strain gauge is lifted and lowered to the position where it needs to be pasted.

[0009] Preferably, a guide telescopic rod is fixedly connected to the upper surface of the bottom plate, and the top end of the guide telescopic rod is fixedly connected to the lower surface of the resistance strain gauge placement frame, so as to guide the movement of the resistance strain gauge placement frame.

[0010] Preferably, the detectable elastic extrusion mechanism includes a second electric push rod that passes through and is fixedly installed at the bottom of the resistance strain gauge placement frame, the top of the second electric push rod is fixedly connected to a pressure sensor, the top of the pressure sensor is fixedly connected to a movable plate that is slidably connected to the inner wall of the resistance strain gauge placement frame, the upper surface of the movable plate is fixedly connected to a second spring, the top of the second spring is fixedly connected to a resistance strain gauge placement plate that is slidably connected to the inner wall of the resistance strain gauge placement frame, which can drive the resistance strain gauge to move, extrude and stick the resistance strain gauge, and can detect the pressure on the resistance strain gauge.

[0011] Preferably, movable wheels are fixedly mounted on all four sides of the lower surface of the vehicle body, and a handle is fixedly mounted on one side of the upper surface of the vehicle body to facilitate moving the vehicle body.

[0012] The utility model provides a resistance strain gauge rapid positioning and pasting device, which has the following beneficial effects:

[0013] 1. The resistance strain gauge rapid positioning and pasting device, through the arranged adjustment mechanism, the rotation of the first motor and the second motor can respectively drive the resistance strain gauge elastic lifting and placement mechanism and the resistance strain gauge to move horizontally and vertically on the horizontal plane, thereby improving practicality, thereby solving the problem that the existing device can only perform horizontal and lateral adjustment, and the position adjustment is limited, thereby reducing practicality.

[0014] 2. The resistance strain gauge quick positioning and pasting device places the resistance strain gauge in the resistance strain gauge placement frame by means of the set resistance strain gauge elastic lifting and placement mechanism, which can avoid the resistance strain gauge from moving during lifting, lifting and squeezing and pasting, thereby improving the pasting effect, thereby solving the problem that the existing device cannot limit the resistance strain gauge and is prone to falling and offset, and the first spring can protect the workpiece, thereby avoiding damage to the workpiece.

[0015] 3. The resistance strain gauge rapid positioning and pasting device can buffer the resistance strain gauge and the workpiece surface through the detectable elastic extrusion mechanism set up. The second spring can detect the extrusion force on the resistance strain gauge through the set pressure sensor, and the operation of the second electric push rod can be stopped in time to avoid damage to the resistance strain gauge and the workpiece, thereby solving the problem that the existing device cannot detect the extrusion force of the resistance strain gauge when in use, and the resistance strain gauge and the workpiece are easily crushed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the adjustment mechanism of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the elastic lifting and placing mechanism of the resistance strain gauge and the detectable elastic squeezing mechanism of the utility model.

[0019] In the figure, 1. vehicle body; 2. adjusting mechanism; 21. slide slot; 22. first motor; 23. first screw rod; 24. first slider; 25. rectangular frame; 26. second motor; 27. second screw rod; 28. second slider; 3. elastic lifting and placing mechanism for resistance strain gauge; 31. first electric push rod; 32. bottom plate; 33. first spring; 34. placing frame for resistance strain gauge; 35. guiding telescopic rod; 4. detectable elastic extrusion mechanism; 41. second electric push rod; 42. pressure sensor; 43. moving plate; 44. second spring; 45. placing plate for resistance strain gauge. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Embodiment 1:

[0022] like Figure 1 and Figure 2 As shown, the resistance strain gauge rapid positioning and pasting device comprises a vehicle body 1, wherein movable wheels are fixedly mounted on all four sides of the lower surface of the vehicle body 1, and a handle is fixedly mounted on one side of the upper surface of the vehicle body 1. A position adjustment mechanism 2 is mounted on the upper surface of the vehicle body 1, wherein the position adjustment mechanism 2 comprises a slide groove 21 provided on the upper surface of the vehicle body 1, and a first motor 22 is fixedly mounted on one side of the outer surface of the vehicle body 1, wherein the output shaft of the first motor 22 is fixedly connected to a first screw rod 23 rotatably connected to the inside of the vehicle body 1, and the outer surface of the first screw rod 23 is threadedly connected to a first slider 24 slidably connected to the inner wall of the slide groove 21. A rectangular frame 25 is fixedly connected to the top of the first slider 24, and a second motor 26 is fixedly installed on one side of the outer surface of the rectangular frame 25. The output shaft of the second motor 26 is fixedly connected to a second screw rod 27 rotatably connected to the inside of the rectangular frame 25. The outer surface of the second screw rod 27 is threadedly connected to a second slider 28 slidably connected to the inner wall of the rectangular frame 25. The resistance strain gauge elastic lifting and placement mechanism 3 is fixedly installed on the top of the second slider 28. The rotation of the first motor 22 and the second motor 26 can respectively drive the first screw rod 23 and the second screw rod 27 to rotate, and can drive the first slider 24 and the second slider 28 to move, thereby driving the resistance strain gauge elastic lifting and placement mechanism 3 to move horizontally and vertically on the horizontal plane, and can fully adjust the position of the resistance strain gauge to improve practicality, thereby solving the problem that the existing device can only perform horizontal and lateral adjustments, and the position adjustment is limited, which reduces practicality.

[0023] Embodiment 2:

[0024] like Figure 1 and Figure 3 As shown, the movable end of the position adjustment mechanism 2 is fixedly connected with a resistance strain gauge elastic lifting and placing mechanism 3, and the resistance strain gauge elastic lifting and placing mechanism 3 includes a first electric push rod 31 fixedly installed on the top of the second slider 28, and the top of the first electric push rod 31 is fixedly connected with a bottom plate 32, and the upper surface of the bottom plate 32 is fixedly connected with a first spring 33, and the top of the first spring 33 is fixedly connected with a resistance strain gauge placing frame 34. The upper surface of the bottom plate 32 is fixedly connected with a guide telescopic rod 35, and the top of the guide telescopic rod 35 is fixedly connected with the lower surface of the resistance strain gauge placing frame 34. Placing the resistance strain gauge in the resistance strain gauge placing frame 34 can avoid the movement of the resistance strain gauge during lifting and squeezing and pasting, thereby improving the pasting effect, and the first electric push rod 31 can drive the resistance strain gauge placing frame 34 to move upward when running. When the resistance strain gauge placing frame 34 contacts the workpiece, the first spring 33 can protect the workpiece at this time, thereby avoiding damage to the workpiece, thereby solving the problem that the existing device cannot limit the resistance strain gauge and is prone to falling and offset.

[0025] Embodiment 3:

[0026] like Figure 1 and Figure 3 As shown, a detectable elastic squeezing mechanism 4 is installed inside the movable end of the elastic lifting and placing mechanism 3 of the resistance strain gauge, and the detectable elastic squeezing mechanism 4 includes a second electric push rod 41 that is fixedly installed on the bottom of the resistance strain gauge placing frame 34, and the top of the second electric push rod 41 is fixedly connected to a pressure sensor 42, and the top of the pressure sensor 42 is fixedly connected to a moving plate 43 that is slidably connected to the inner wall of the resistance strain gauge placing frame 34, and the upper surface of the moving plate 43 is fixedly connected to a second spring 44, and the top of the second spring 44 is fixedly connected to a resistance strain gauge placing plate 45 that is slidably connected to the inner wall of the resistance strain gauge placing frame 34. When the second electric push rod 41 is running, it can drive the resistance strain gauge to move upward and contact the surface of the workpiece. At this time, the second spring 44 can buffer the resistance strain gauge and the surface of the workpiece, and the pressure sensor 42 can detect the squeezing force on the resistance strain gauge, and the operation of the second electric push rod 41 can be stopped in time to avoid damage to the resistance strain gauge and the workpiece, thereby solving the problem that the existing device cannot detect the squeezing force of the resistance strain gauge when in use, and is easy to crush the resistance strain gauge and the workpiece.

[0027] Working principle: when in use, move the vehicle body 1 to the position where pasting is required, and then start the first motor 22 and the second motor 26 respectively. The rotation of the first motor 22 and the second motor 26 can respectively drive the first screw rod 23 and the second screw rod 27 to rotate, and can drive the first slider 24 and the second slider 28 to move, so as to drive the resistance strain gauge elastic lifting placement mechanism 3 to move horizontally and vertically on the horizontal plane, and can fully adjust the position of the resistance strain gauge to improve practicality, thereby solving the problem that the existing device can only perform horizontal and horizontal adjustment, and the position adjustment is limited and reduces practicality. Then put the resistance strain gauge into the resistance strain gauge placement frame 34, and then start the first electric push rod 31. When the first electric push rod 31 is running, it can drive the resistance strain gauge placement frame 34 to move upward. When the resistance strain gauge placement frame 34 contacts the workpiece, at this time, through the device The first spring 33 can protect the workpiece to avoid damage to the workpiece. The resistance strain gauge placement frame 34 can prevent the resistance strain gauge from moving during lifting and extrusion pasting, thereby improving the pasting effect, thereby solving the problem that the existing device cannot limit the resistance strain gauge and is prone to falling and offset. Finally, the second electric push rod 41 is started. When the second electric push rod 41 is running, it can drive the resistance strain gauge to move upward and contact the surface of the workpiece. At this time, the second spring 44 can buffer the resistance strain gauge and the workpiece surface. The pressure sensor 42 can detect the extrusion force on the resistance strain gauge, and the operation of the second electric push rod 41 can be stopped in time to avoid damage to the resistance strain gauge and the workpiece, thereby solving the problem that the existing device cannot detect the extrusion force of the resistance strain gauge when in use, and the resistance strain gauge and the workpiece are easily crushed.

[0028] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is defined by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0029] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A resistance strain gauge rapid positioning and pasting device, comprising a vehicle body (1), characterized in that: A position adjustment mechanism (2) is installed on the upper surface of the vehicle body (1); a movable end of the position adjustment mechanism (2) is fixedly connected to a resistance strain gauge elastic lifting and placement mechanism (3); and a detectable elastic squeezing mechanism (4) is installed inside the movable end of the resistance strain gauge elastic lifting and placement mechanism (3); The position adjustment mechanism (2) comprises a slide groove (21) provided on the upper surface of the vehicle body (1); a first motor (22) is fixedly mounted on one side of the outer surface of the vehicle body (1); an output shaft of the first motor (22) is fixedly connected to a first screw rod (23) rotatably connected to the inside of the vehicle body (1); and an outer surface of the first screw rod (23) is threadedly connected to a first slider (24) slidably connected to the inner wall of the slide groove (21).

2. The resistance strain gauge rapid positioning and pasting device according to claim 1 is characterized in that: The top end of the first slider (24) is fixedly connected to a rectangular frame (25); a second motor (26) is fixedly mounted on one side of the outer surface of the rectangular frame (25); an output shaft of the second motor (26) is fixedly connected to a second screw rod (27) rotatably connected to the inside of the rectangular frame (25); the outer surface of the second screw rod (27) is threadedly connected to a second slider (28) slidably connected to the inner wall of the rectangular frame (25); and the resistance strain gauge elastic lifting and placing mechanism (3) is fixedly mounted on the top end of the second slider (28).

3. The resistance strain gauge rapid positioning and pasting device according to claim 2 is characterized in that: The resistance strain gauge elastic lifting and placement mechanism (3) comprises a first electric push rod (31) fixedly mounted on the top of a second slider (28); the top of the first electric push rod (31) is fixedly connected to a bottom plate (32); the upper surface of the bottom plate (32) is fixedly connected to a first spring (33); the top of the first spring (33) is fixedly connected to a resistance strain gauge placement frame (34).

4. The resistance strain gauge rapid positioning and pasting device according to claim 3 is characterized in that: A guide telescopic rod (35) is fixedly connected to the upper surface of the bottom plate (32), and the top end of the guide telescopic rod (35) is fixedly connected to the lower surface of the resistance strain gauge placement frame (34).

5. The resistance strain gauge rapid positioning and pasting device according to claim 4 is characterized in that: The detectable elastic squeezing mechanism (4) comprises a second electric push rod (41) which passes through and is fixedly installed at the bottom of the resistance strain gauge placement frame (34); the top end of the second electric push rod (41) is fixedly connected to a pressure sensor (42); the top end of the pressure sensor (42) is fixedly connected to a moving plate (43) which is slidably connected to the inner wall of the resistance strain gauge placement frame (34); the upper surface of the moving plate (43) is fixedly connected to a second spring (44); the top end of the second spring (44) is fixedly connected to a resistance strain gauge placement plate (45) which is slidably connected to the inner wall of the resistance strain gauge placement frame (34).

6. The resistance strain gauge rapid positioning and pasting device according to claim 1 is characterized in that: Moving wheels are fixedly mounted on all four sides of the lower surface of the vehicle body (1), and a handle is fixedly mounted on one side of the upper surface of the vehicle body (1).

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