Carrier for measuring prepressure and distance of plunger

Abstract

The utility model discloses and provides an installation carrier capable of measuring the pre-pressure and the distance of a plunger, not only can solve the problem that a tension test needs to be repeatedly operated, but also can control the pre-pressure to achieve the purpose of rapidly installing the plunger, not only can reduce the installation difficulty, but also can improve the installation efficiency. And the carrier for measuring the pre-pressure and the distance of the plunger can realize large-scale production. The pressure sensor comprises an acrylic cover plate, a spring plunger, a pressure digital display and a sensor module, the spring plunger is rotatably matched in a threaded hole arranged on the acrylic cover plate, the acrylic cover plate is arranged on the sensor module, and the sensor module is connected with the pressure digital display. The device is applied to the field of testing industry.

Description

Technical Field

[0001] The utility model is applied to the field of testing industry, and particularly relates to a carrier for measuring the pre-pressure and distance of a plunger. Background Art

[0002] Spring plungers are widely used in the testing field, generally for mold demoulding, workpiece lifting and positioning in some products. At present, the working principle of the spring plunger is to be limited on the workpiece through threads, and the pre-pressure is adjusted by the screwing-in depth. However, for most plunger installations, the distance of the screwing-in depth and how much pre-pressure is required are determined by the experience of engineers, or a tensile test is carried out after installation to judge whether the setting is reasonable. When the setting is unreasonable, it needs to be reinstalled and measured. Such a large number of repeated operations not only waste time but also cause inability to mass-produce. Especially for some products that require strict distance and specific pre-pressure, incorrect installation may damage the products, resulting in a low qualified rate of the products. Based on the above problems, if an installation carrier that can measure both the pre-pressure and distance of the plunger can be designed, it can not only solve the problem of repeated operations required for tensile tests, but also control the pre-pressure, achieving the purpose of quickly installing the plunger. It can not only reduce the installation difficulty but also realize mass production of a carrier for measuring the pre-pressure and distance of a plunger, and can well solve the above problems. Summary of the Invention

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide an installation carrier that can measure both the pre-pressure and distance of a plunger, which can not only solve the problem of repeated operations required for tensile tests, but also control the pre-pressure, achieving the purpose of quickly installing the plunger, and can not only reduce the installation difficulty but also realize mass production of a carrier for measuring the pre-pressure and distance of a plunger.

[0004] The technical solution adopted by the utility model is as follows: The utility model includes an acrylic cover plate, a spring plunger, a pressure digital display and a sensor module. The spring plunger is rotationally fitted in a threaded hole provided on the acrylic cover plate. The acrylic cover plate is arranged on the sensor module, and the sensor module is connected to the pressure digital display. Thus, it can be seen that the sensor module 4 plays a role in supporting and fixing the acrylic cover plate 1, the acrylic cover plate 1 plays a role in supporting the spring plunger 2. At the same time, the threaded hole 10 is in threaded engagement with the spring plunger 2 to play a role in guiding and limiting. The sensor module 4 is connected to the pressure digital display 3. The sensor module 4 senses the pre-pressure set by the spring plunger 2, and the pressure digital display 3 displays the pre-pressure set by the spring plunger 2. The pressure digital display 3 plays a role in reflecting the pre-pressure set by the spring plunger 2 in numbers.

[0005] Further, the sensor module includes a mounting base plate, a pressure sensor, a sensor mounting block, and a pair of U-shaped blocks. The sensor mounting block is fixed on the mounting base plate, and the pair of U-shaped blocks are respectively fixed on both sides of the mounting base plate. The U-shaped blocks are in limiting cooperation with the acrylic cover plate. The pressure sensor is fixed on the sensor mounting block. One end of the pressure sensor is in cooperation with the spring plunger, and the other end of the pressure sensor is in cooperation with the pressure digital display through a communication line.

[0006] Further, a plurality of pins are provided on each of the pair of U-shaped blocks, and the pins are in limiting cooperation with the acrylic cover plate.

[0007] Further, a plurality of positioning pins are provided on the mounting base plate, and the positioning pins are in limiting cooperation with the sensor mounting block and the pair of U-shaped blocks respectively.

[0008] Further, the sensor mounting block and the pair of U-shaped blocks are both fixed on the mounting base plate through a plurality of screws, and the acrylic cover plate is fixed on the pair of U-shaped blocks through a plurality of screws.

[0009] Further, one end of the spring plunger is a spherical end, and the spherical end is in contact and cooperation with the middle area of the pressure sensor. Description of the Drawings

[0010] Figure 1 is the first structural view of the present utility model;

[0011] Figure 2 is the second structural view of the present utility model;

[0012] Figure 3 is the exploded structural view of the acrylic cover plate and the spring plunger;

[0013] Figure 4 is the exploded structural view of the sensor module;

[0014] Figure 5 is the exploded structural view of the mounting base plate and the U-shaped blocks;

[0015] Figure 6 is the structural view of the pressure sensor and the sensor mounting block. Detailed Embodiment

[0016] As Figures 1 to 3As shown in the figure, in this embodiment, the utility model includes an acrylic cover plate 1, a spring plunger 2, a pressure digital display 3 and a sensor module 4. The spring plunger 2 is rotationally fitted in a threaded hole 10 provided on the acrylic cover plate 1. The acrylic cover plate 1 is disposed on the sensor module 4, and the sensor module 4 is connected to the pressure digital display 3. Thus, it can be seen that the sensor module 4 plays a role in supporting and fixing the acrylic cover plate 1, the acrylic cover plate 1 plays a role in supporting the spring plunger 2. At the same time, the threaded engagement between the threaded hole 10 and the spring plunger 2 plays a role in guiding and limiting. The sensor module 4 is connected to the pressure digital display 3. The sensor module 4 senses the pre-pressure set by the spring plunger 2 and displays the pre-pressure set by the spring plunger 2 through the pressure digital display 3. The pressure digital display 3 plays a role in reflecting the pre-pressure set by the spring plunger 2 in numbers.

[0017] As Figures 4 to 6 As shown in the figure, in this embodiment, the sensor module 4 includes a mounting base plate 40, a pressure sensor 41, a sensor mounting block 42 and a pair of U-shaped blocks 43. The sensor mounting block 42 is fixed on the mounting base plate 40. A pair of the U-shaped blocks 43 are respectively fixed on both sides of the mounting base plate 40. The U-shaped blocks 43 are in limit fit with the acrylic cover plate 1. The pressure sensor 41 is fixed on the sensor mounting block 42. One end of the pressure sensor 41 is in fit with the spring plunger 2, and the other end of the pressure sensor 41 is in fit with the pressure digital display 3 through a communication line. Thus, it can be seen that the mounting base plate 40 plays a role in supporting and fixing the sensor mounting block 42 and the pair of U-shaped blocks 43. The U-shaped blocks 43 play a role in supporting and fixing the acrylic cover plate 1. At the same time, the pressure sensor 41 plays a role in sensing the pre-pressure set by the spring plunger 2 and displaying the pre-pressure set by the spring plunger 2 through the pressure digital display 3. The pressure digital display 3 plays a role in reflecting the pre-pressure set by the spring plunger 2 in numbers.

[0018] As Figure 5 As shown in the figure, in this embodiment, a plurality of pins 55 are provided on each of the pair of U-shaped blocks 43, and the pins 55 are in limit fit with the acrylic cover plate 1. Thus, it can be seen that the U-shaped blocks 43 play a role in supporting and fixing the plurality of pins 55, and the pins 55 play a role in guiding and limiting the acrylic cover plate 1.

[0019] As Figure 6As shown, in this embodiment, a number of positioning pins 56 are provided on the mounting base plate 40, and the positioning pins 56 are in limiting cooperation with the sensor mounting block 42 and a pair of the U-shaped blocks 43 respectively. Thus, the mounting base plate 40 plays a role in supporting and fixing the number of positioning pins 56, and the positioning pins 56 play a role in guiding and limiting the sensor mounting block 42 and a pair of the U-shaped blocks 43.

[0020] As Figures 4 to 6 shown, in this embodiment, the sensor mounting block 42 and a pair of the U-shaped blocks 43 are both fixed on the mounting base plate 40 by a number of screws 99, and the acrylic cover plate 1 is fixed on a pair of the U-shaped blocks 43 by a number of screws 99. Thus, it can be seen that the sensor mounting block 42 and a pair of the U-shaped blocks 43 are both fixed on the mounting base plate 40 by the screws 99, and the acrylic cover plate 1 is fixed on a pair of the U-shaped blocks 43 by the screws 99. The number of screws 99 plays a role in limiting the sensor mounting block 42, a pair of the U-shaped blocks 43 and the acrylic cover plate 1, ensuring the stability of the mechanism. At the same time, the screws 99 are low in cost and convenient for replacement and installation.

[0021] As Figure 6 shown, in this embodiment, one end of the spring plunger 2 is a spherical end, and the spherical end is in contact and cooperation with the middle area of the pressure sensor 41. Thus, it can be seen that the spherical ball of the spring plunger 2 plays a role in contacting the pressure sensor 41, and the spherical end should be in contact and cooperation with the middle area of the pressure sensor 41. The purpose is to increase the contact area and reduce the measurement error.

[0022] In this embodiment, the working principle of the present utility model is as follows:

[0023] As Figures 1 to 6 shown, the operator first pre-inserts the spring plunger 2 into the threaded hole 10 provided on the acrylic cover plate 1 through a tool, then limits and positions the acrylic cover plate 1 on a pair of the U-shaped blocks 43 through the pin 55 with precise positioning, and then fixes it with a number of screws 99. Use the tool to further screw the spring plunger 2 into the acrylic cover plate 1 for a certain distance. When the spring plunger 2 contacts the pressure sensor 41, the test data of the pressure sensor 41 is transmitted to the pressure digital display 3 through the communication line. It can be known from the pressure digital display 3 whether the distance or the pre-pressure case requirement of the spring plunger 2 is reached. The following are several test requirements, and the tests can be cycled in sequence according to the test requirements.

[0024] First, the spring plunger 2 requires specific distance requirements: when setting the required installation distance, slowly screw in the spring plunger 2 while observing the value of the pressure digital display 3. When the value of the pressure digital display changes from 0 to (1 - 5) g, it can be judged that the installation is in place.

[0025] Second, the spring plunger 2 requires specific pre-pressure requirements: after installing the sensor mounting block 42 at the specified position, slowly screw in the spring plunger 2 while observing the value of the pressure digital display 3. When the value of the pressure digital display changes from 0 to the target pre-pressure, it can be judged that the installation is in place.

[0026] Although the embodiments of the present invention are described with actual solutions, they do not constitute a limitation to the meaning of the present invention. For those skilled in the art, modifications to its implementation solutions according to this specification and combinations with other solutions are obvious.

Claims

1. A vehicle for measuring plunger preload and distance, characterized in that: It comprises an acrylic cover plate (1), a spring plunger (2), a pressure digital display (3) and a sensor module (4); the spring plunger (2) is rotatably engaged in a threaded hole (10) provided on the acrylic cover plate (1); the acrylic cover plate (1) is provided on the sensor module (4); and the sensor module (4) is connected to the pressure digital display (3).

2. A vehicle for measuring plunger preload and distance according to claim 1, characterized in that: The sensor module (4) comprises a mounting base plate (40), a pressure sensor (41), a sensor mounting block (42) and a pair of U-shaped blocks (43); the sensor mounting block (42) is fixed on the mounting base plate (40); the pair of U-shaped blocks (43) are respectively fixed on two sides of the mounting base plate (40); the U-shaped blocks (43) are limitedly matched with the acrylic cover plate (1); the pressure sensor (41) is fixed on the sensor mounting block (42); one end of the pressure sensor (41) is matched with the spring plunger (2); and the other end of the pressure sensor (41) is matched with the pressure digital display (3) via a communication line.

3. A vehicle for measuring plunger preload and distance according to claim 2, characterized in that: A pair of U-shaped blocks (43) are each provided with a plurality of pins (55), and the pins (55) are limitedly matched with the acrylic cover plate (1).

4. A vehicle for measuring plunger preload and distance according to claim 2, characterized in that: A plurality of positioning pins (56) are provided on the installation base plate (40), and the positioning pins (56) are respectively engaged with the sensor installation block (42) and a pair of U-shaped blocks (43) in a limiting manner.

5. A vehicle for measuring plunger preload and distance according to claim 2, characterized in that: The sensor mounting block (42) and the pair of U-shaped blocks (43) are both fixed to the mounting base plate (40) via a plurality of screws (99), and the acrylic cover plate (1) is fixed to the pair of U-shaped blocks (43) via a plurality of screws (99).

6. A vehicle for measuring plunger preload and distance according to claim 2, characterized in that: One end of the spring plunger (2) is a spherical end, and the spherical end is in contact with a middle area of ​​the pressure sensor (41).

Images