Friction plate assembly

Abstract

The utility model relates to the field of thread depth gauges, and discloses a friction plate assembly which comprises a wire shielding plate, a displacement sensor is fixedly connected in the wire shielding plate, a rotating mechanism is sleeved outside the displacement sensor, and a sensor fixing piece is fixedly connected on the upper side of the outer wall of the rotating mechanism. The bottom of the sensor fixing piece is fixedly connected with a pressure adjusting pressure spring, the bottom of the pressure adjusting pressure spring is fixedly connected with a driving piece, and the bottom of the driving piece is rotationally connected with a driven piece. According to the utility model, the belt wheel is driven by the synchronous belt to rotate, so that the driven plate and the driving plate are in friction transmission under the condition that the pressure adjusting pressure spring pushes the driving plate, and the rotating mechanism is driven to work through the connection of the sensor fixing piece, thereby realizing the normal work of the rotating mechanism under the conventional torque, and realizing the rotation of the rotating mechanism when the torque is greater than the set torque during thread measurement. And the driving piece is separated from the driven piece, so that the driven piece idles, and the thread head cannot be measured downwards any more.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of thread depth gauge, especially a friction plate assembly. BACKGROUND

[0002] Thread depth gauge is used for measuring the distance between the bottom of the threaded hole or the threaded tip and the surface, which is usually composed of a long rod that can measure the depth and a set of scale or digital display, by inserting the depth gauge into the threaded hole or threaded surface, the depth of the thread can be accurately measured to ensure the quality and precision of threaded connection, thread depth gauge is widely used in mechanical processing, metal processing and manufacturing industry, and is one of the important tools to ensure the accuracy of threaded part size and meet the design requirements.

[0003] Friction plate is a thin and flat metal or plastic plate used to adjust the friction or gap between parts in mechanical work, which is usually used to make precise adjustments at mechanical connections or bearings to ensure proper fit between parts, the thickness of the friction plate is usually very fine, and can achieve slight adjustment under different combinations, so that the mechanical parts can achieve the best running effect and durability, in mechanical manufacturing and maintenance, friction plate is widely used to solve size adjustment and fit problems.

[0004] In the traditional thread depth gauge, there is no friction plate assembly installed, so the driving assembly will directly drive the detection head to move when in use, when reaching the bottom of the detected workpiece thread, the detection head is still rotating, which causes damage to the detection head or workpiece, increasing the cost, therefore, a friction plate assembly is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a friction plate assembly, which aims to improve the problem that the driving assembly of the traditional thread depth gauge will directly drive the detection head to move when in use, when reaching the bottom of the detected workpiece thread, the detection head is still rotating, which causes damage to the detection head or workpiece, increasing the cost.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a friction plate assembly, including a line blocking plate, the line blocking plate is internally fixedly connected with a displacement sensor, the displacement sensor is externally sleeved with a rotating mechanism, the rotating mechanism is fixedly connected with a sensor fixing piece on the outer wall of the upper side, the sensor fixing piece is fixedly connected with a pressure adjusting compression spring at the bottom, the pressure adjusting compression spring is fixedly connected with a driving piece at the bottom, the driving piece is rotatably connected with a driven piece at the bottom, the driven piece is fixedly connected with a belt pulley at the bottom, and the belt pulley is externally sleeved with a synchronous belt.

[0007] As a further description of the above technical scheme:

[0008] The sensor fixing part is sleeved inside the displacement sensor, and the pressure adjusting compression spring is sleeved inside the displacement sensor.

[0009] Further description of the above technical solution is as follows:

[0010] The pressure adjusting compression spring is sleeved inside the rotating mechanism, and the driving piece is slidably connected to the outer wall of the rotating mechanism.

[0011] Further description of the above technical solution is as follows:

[0012] The driven piece is rotatably connected to the outer wall of the rotating mechanism, and is sleeved inside the displacement sensor.

[0013] Further description of the above technical solution is as follows:

[0014] The pulley is rotatably connected to the outer wall of the rotating mechanism, and is sleeved inside the displacement sensor.

[0015] Further description of the above technical solution is as follows:

[0016] The driving piece is sleeved inside the displacement sensor.

[0017] Further description of the above technical solution is as follows:

[0018] The synchronous belt is sleeved inside the rotating mechanism.

[0019] Further description of the above technical solution is as follows:

[0020] The synchronous belt is sleeved inside the displacement sensor.

[0021] The utility model has the advantages of the following:

[0022] 1、the utility model discloses a synchronous belt drives the pulley rotation, makes pressure adjusting compression spring under the condition of driving piece, driven piece and driving piece carry out friction transmission, through the connection of sensor fixing part, drives rotating mechanism work, realizes rotating mechanism normal work under the conventional torque, when the torsion is greater than the setting torsion when thread measurement, driving piece will be separated from driving piece, and driven piece idles, makes screw head unable again measures downward. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A three-dimensional schematic view of a friction plate assembly is provided.

[0024] LEGEND:

[0025] 1, blind; 2, displacement sensor; 3, rotating mechanism; 4, sensor fixing part; 5, pressure adjusting compression spring; 6, driving piece; 7, driven piece; 8, pulley; 9, synchronous belt. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be apparently 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, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0027] Referring to Figure 1 An embodiment provided by the utility model: a friction plate assembly, the friction plate assembly comprises a blind 1, the blind 1 is internally fixedly connected with a displacement sensor 2, the displacement sensor 2 is externally sleeved with a rotating mechanism 3, the rotating mechanism 3 is fixedly connected with a sensor fixing part 4 on the outer wall upper side, the sensor fixing part 4 is fixedly connected with a pressure adjusting compression spring 5 at the bottom, the pressure adjusting compression spring 5 is fixedly connected with a driving piece 6 at the bottom, the driving piece 6 is rotatably connected with a driven piece 7 at the bottom, the driven piece 7 is fixedly connected with a pulley 8 at the bottom, the pulley 8 is externally sleeved with a synchronous belt 9, the sensor fixing part 4 is internally sleeved at the displacement sensor 2, the pressure adjusting compression spring 5 is internally sleeved at the displacement sensor 2, the pressure adjusting compression spring 5 is internally sleeved at the rotating mechanism 3, the driving piece 6 is slidably connected in the rotating mechanism 3, the driven piece 7 is rotatably connected in the rotating mechanism 3, the driven piece 7 is internally sleeved at the displacement sensor 2, the pulley 8 is rotatably connected at the rotating mechanism 3, the pulley 8 is internally sleeved at the displacement sensor 2, the driving piece 6 is internally sleeved at the displacement sensor 2, the synchronous belt 9 is internally sleeved at the rotating mechanism 3, and the synchronous belt 9 is internally sleeved at the displacement sensor 2.

[0028] Specifically, the blind 1 is used for dredging various transmission lines, in order to make the device inside neat and beautiful, the displacement sensor 2 is used for detecting the torque of the device, and the rotating mechanism 3 is used for driving the screw depth gauge main body to work and realize detection, the sensor fixing part 4 is used for connecting the rotating mechanism 3 and the displacement sensor 2, the pressure adjusting compression spring 5 at the bottom is used for abutting the driving piece 6 against the driven piece 7, the driving piece 6 is matched with the driven piece 7, and the friction force is used to transmit the rotating force to the rotating mechanism 3, the driven piece 7 is directly fixed on the pulley 8, and when the torque is too large, the driven piece 7 will rotate on the rotating mechanism 3, which is used for protecting the screw thread gauge of the screw depth gauge device and preventing damage, the pulley 8 is used for driving the driven piece 7 to rotate, and the other side of the synchronous belt 9 is provided with a motor transmission mechanism, which is used for driving the pulley 8 to rotate.

[0029] Working principle: when using the device, align the thread gauge with the thread in the workpiece to be detected, then control the motor drive mechanism to drive the synchronous belt 9 to rotate, the synchronous belt 9 drives the pulley 8 and the driven plate 7 to rotate, under the action of the pressure adjusting spring 5, the driving plate 6 is pressed on the driven plate 7, and the driving plate 6 is driven to rotate by friction, the rotation drives the sensor fixing piece 4 to rotate through the pressure adjusting spring 5, the sensor fixing piece 4 drives the thread depth gauge to work, the thread depth gauge is turned into the thread of the workpiece to be detected, when it is turned to the bottom of the thread, the rotating mechanism 3 will be stuck and cannot rotate, so that the torque of the device is increased, the friction between the driving plate 6 and the driven plate 7 is smaller than the torque, the driven plate 7 will idle, and the rotating mechanism 3 will not exert a rotating force on the rotating mechanism 3, at the same time, the displacement sensor 2 will detect that the rotating mechanism 3 does not rotate, at this time, the displacement sensor 2 will alarm in time through the PLC software and remind the operator, effectively protecting the device, due to the friction of the driving plate 6, there will be wear and tear, under the action of the pressure adjusting spring 5, the driving plate 6 will always be pressed on the driven plate 7, and there will be no gap.

[0030] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A friction pad assembly, comprising a wire shield (1), characterized in that: A displacement sensor (2) is fixedly connected inside the shielding plate (1). A rotating mechanism (3) is sleeved on the outside of the displacement sensor (2). A sensor fixing piece (4) is fixedly connected to the upper side of the outer wall of the rotating mechanism (3). A pressure adjusting spring (5) is fixedly connected to the bottom of the sensor fixing piece (4). An active plate (6) is fixedly connected to the bottom of the pressure adjusting spring (5). A driven plate (7) is rotatably connected to the bottom of the active plate (6). A pulley (8) is fixedly connected to the bottom of the driven plate (7). A synchronous belt (9) is sleeved on the outside of the pulley (8).

2. The friction pad assembly according to claim 1, characterized in that: The sensor fixing member (4) is sleeved inside the displacement sensor (2) and the pressure adjusting spring (5) is sleeved inside the displacement sensor (2).

3. The friction pad assembly according to claim 1, characterized in that: The pressure adjustment spring (5) is sleeved inside the rotating mechanism (3), and the active plate (6) is slidably connected to the outer wall of the rotating mechanism (3).

4. A friction pad assembly according to claim 1, characterized in that: The driven piece (7) is rotatably connected to the outer wall of the rotating mechanism (3), and the driven piece (7) is sleeved inside the displacement sensor (2).

5. A friction pad assembly according to claim 1, characterized in that: The pulley (8) is rotatably connected to the outer wall of the rotating mechanism (3), and the inside of the pulley (8) is sleeved outside the displacement sensor (2).

6. A friction pad assembly according to claim 1, characterized in that: The active plate (6) is internally sleeved on the outside of the displacement sensor (2).

7. A friction pad assembly according to claim 1, characterized in that: The synchronous belt (9) is fitted inside the rotating mechanism (3) outside.

8. A friction pad assembly according to claim 1, characterized in that: The synchronous belt (9) is fitted inside the displacement sensor (2) outside.

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