Waterproof detection device for closed linear displacement sensor

Abstract

The utility model discloses a waterproof detection device for a closed linear displacement sensor, which is characterized in that the interior of a box body is divided into a water pump mounting area and a detection area through a partition plate, a motor mounting base, a sizing mounting base and a spraying mounting base are arranged in the detection area, and a linear motor is fixedly mounted on the motor mounting base; and a sliding table of the linear motor is fixedly connected with the movable ruler mounting bracket. The mounting reference surfaces of the movable ruler mounting bracket and the fixed ruler mounting base meet the requirement that the straightness after the fixed ruler and the movable ruler are mounted meets the working requirement of the linear displacement sensor; a spraying pipeline is fixedly mounted on the spraying mounting base, and a plurality of nozzles are arranged on the spraying pipeline; a water pump is fixedly installed in the water pump installation area, a water inlet of the water pump is communicated with the detection area, and a water outlet of the water pump is connected with the spraying pipeline through a pipeline. According to the utility model, the spraying environment when the linear displacement sensor works and the working state of the linear displacement sensor can be simulated, and the test result is accurate and reliable.

Description

Technical Field

[0001] The utility model relates to a spray device for detecting waterproofness, in particular to a closed linear displacement sensor waterproofness detection device, belonging to the technical field of time-grid waterproofness detection. Background Art

[0002] Time-grid products mainly include linear displacement sensors (linear time-grids) for measuring linear motion and angular displacement sensors (angular displacement time-grids) for measuring rotational motion. They have been widely used in the fields of CNC machine tools, precision measurement, etc. When used in the field of CNC machine tools, the working environment of time-grid products is often complex, and they are usually intruded by coolants and chips. In order to prevent coolants and chips from entering the sensor and causing damage to the product, affecting the normal operation of the product, time-grid products often adopt a closed structure, and set up sealing strips or similar waterproof structures to prevent coolants from entering. Although sealing strips are set, the waterproofness of time-grid products has not been well tested and confirmed in the prior art, because the fixed and moving scales of time-grid products have very high requirements for straightness, and higher requirements are put forward for the reproduction of the use status of the product to be tested. All these increase the difficulty of designing waterproof detection devices, resulting in the waterproof detection of time-grid products not being well carried out. Even if some manufacturers have detection, it is often not standardized, and the accuracy of the detection results is not enough. Summary of the invention

[0003] In view of the above-mentioned deficiencies in the prior art, the purpose of the present invention is to provide a closed linear displacement sensor waterproof detection device. The present invention can simulate the spray environment when the linear displacement sensor is working and the working state of the linear displacement sensor itself, and the test results are accurate and reliable.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] A closed linear displacement sensor waterproof detection device comprises a box body, which is divided into a water pump installation area and a detection area by a partition, and a motor installation base, a fixed-length installation base and a spray installation base are arranged in the detection area, a linear motor is fixedly installed on the motor installation base, a slide of the linear motor is fixedly connected to a moving ruler installation bracket, and the moving ruler installation bracket is used to install the moving ruler; the fixed-length installation base is used to install the fixed ruler, and the installation reference surfaces of the moving ruler installation bracket and the fixed-length installation base meet the straightness of the fixed ruler and the moving ruler after installation, which meets the working requirements of the linear displacement sensor; a spray pipeline is fixedly installed on the spray installation base, and a plurality of nozzles are arranged on the spray pipeline; a water pump is fixedly installed in the water pump installation area, a water inlet of the water pump is connected to the detection area, and a water outlet of the water pump is connected to the spray pipeline through a pipeline.

[0006] Furthermore, the movable ruler mounting bracket is an L-shaped structure consisting of a horizontal short side and a vertical long side, the short side is fixed to the slide of the linear motor by screws, and the long side is used to fix to the movable ruler.

[0007] Furthermore, each surface of the box is made of transparent material.

[0008] Furthermore, it also includes a test platform, which consists of a horizontal placement plane and a support base supporting the placement plane; the box is placed on the placement plane.

[0009] Furthermore, a misting device for atomizing water is provided in the detection area, and an openable and closable top cover is provided above the box body. When the top cover is closed, a closed environment is provided for the box body to stabilize the water mist environment provided by the misting device.

[0010] Furthermore, a drain outlet is provided at the bottom of the detection area of ​​the box body, the drain outlet is connected to a drain pipe, and a drain valve is provided on the drain pipe.

[0011] Furthermore, there are two spray installation bases, which are located on the left and right sides of the linear motor; the spray pipelines and nozzles are installed on the two spray installation bases and the partition.

[0012] Furthermore, there are two sets of movable ruler mounting brackets which are fixedly mounted on the left and right sides of the slide of the linear motor, and there are two sets of fixed-length mounting bases which are located on the left and right sides of the motor mounting base. The two fixed-length mounting bases and the movable ruler mounting brackets on the corresponding sides must meet the straightness requirements of the fixed-length and movable ruler after installation, and meet the working requirements of the linear displacement sensor.

[0013] Furthermore, water baffles are respectively provided on the two fixed-size mounting bases, and the water baffles are located on the sides of the linear motor to prevent water from splashing onto the linear motor.

[0014] Compared with the prior art, the utility model has the following advantages:

[0015] 1. The utility model can provide a spray and water mist test environment for the waterproof test of the closed linear time grid, and test the waterproof performance of the linear time grid. The motor drives the moving ruler to move, simulating the actual working state of the closed linear time grid, and can comprehensively evaluate the stability, accuracy and other performance of the closed linear time grid. The test results are accurate and reliable, and can represent the waterproof performance of the product in actual use.

[0016] 2. This waterproof test device can be used with different movable ruler mounting brackets to adapt to closed linear time grids of different structures. Models include but are not limited to closed linear and compact closed linear. Measuring lengths include but are not limited to 140mm, 240mm, 340mm, 440mm, and 540mm. A set of test devices can be used for waterproof testing of different products, with strong versatility.

[0017] 3. The box of the utility model adopts transparent materials, which makes the internal spray environment and test conditions more intuitive and visible. The closed environment can provide a stable water mist environment. At the same time, the spray pipeline can adjust the direction and switch to meet different spray requirements. The drainage device is convenient for replacing the spray liquid. The overall use is convenient and flexible. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 - Schematic diagram of the explosion structure of the waterproof detection device of the closed linear displacement sensor of the utility model. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. The components of the embodiment of the utility model generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected embodiment of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0020] See also Figure 1 The utility model is a closed linear displacement sensor waterproof detection device, which is used to realize the waterproof test of the closed linear time grid. The test items include but are not limited to stability test and accuracy test. The waterproof detection device is mainly composed of a motor mounting base 1, a fixed-length mounting base 2, a movable-length mounting bracket 3, a spray mounting base 4, a box 5, a test platform 6, a linear motor 9, a water pump 10, a top cover 11 and a control cabinet 12. The specific connection relationship and position relationship are as follows.

[0021] The box body 5 is divided into a water pump installation area and a detection area by a partition. The detection area is provided with a motor installation base 1, a fixed-length installation base 2 and a spray installation base 4. A linear motor 9 is fixedly installed on the motor installation base 1. The linear motor 9 is connected to a control cabinet 12 located outside the box, and the operation of the linear motor 9 is controlled by the control cabinet 12. The slide of the linear motor is fixedly connected to the movable ruler installation bracket 3, and the movable ruler installation bracket 3 is used to install the movable ruler 8; the fixed-length installation base 2 is used to install the fixed ruler 7. The installation reference surface of the movable ruler installation bracket 3 and the fixed-length installation base 2 meets the straightness of the fixed ruler and the movable ruler after installation, which meets the working requirements of the linear displacement sensor. A spray pipeline is fixedly installed on the spray installation base 4, and a number of nozzles are arranged on the spray pipeline. A water pump 10 is fixedly installed in the water pump installation area. The water inlet of the water pump is connected to the detection area, and the water outlet of the water pump is connected to the spray pipeline through a pipeline.

[0022] In the embodiment, the movable ruler mounting bracket 3 is an L-shaped structure consisting of a horizontal short side and a vertical long side, the short side is fixed to the slide of the linear motor by screws, and the long side is used to fix the movable ruler. The L-shaped structure facilitates the installation of the movable ruler and ensures the smooth and reliable movement of the movable ruler.

[0023] The utility model further comprises a test platform 6, which is composed of a horizontal placement plane and a support base supporting the placement plane; the box is placed on the placement plane.

[0024] The utility model also has a misting device for atomizing water in the detection area, and an openable and closable top cover 11 is provided above the box body 5. When the top cover 11 is closed, a closed environment is provided for the box body 5, so that the water mist environment provided by the misting device is stable. Through the detection of the two environments of spraying and water mist, the working environment of the sensor can be reproduced to the greatest extent, and waterproof detection can be better performed.

[0025] The utility model has a drain outlet at the bottom of the box detection area, which is connected to a drain pipe, and a drain valve is provided on the drain pipe. The spray water can be replaced through the drainage mechanism, and the water spray and oil spray can be switched, and the water pump or oil pump can be replaced accordingly to meet the waterproof detection requirements of different spray environments.

[0026] There are two spray installation bases, which are located on the left and right sides of the linear motor; the spray pipelines and nozzles are installed on the two spray installation bases and the partition. In this way, spray detection is performed on the left and right sides and the front of the linear displacement sensor in three directions, which conforms to the spray environment when the sensor is actually working, and the detection is more accurate.

[0027] In order to improve the detection efficiency, the utility model has two sets of movable ruler mounting brackets which are fixedly mounted on the left and right sides of the slide of the linear motor, and two sets of fixed-length mounting bases which are located on the left and right sides of the motor mounting base. The two fixed-length mounting bases and the movable ruler mounting brackets on the corresponding sides must meet the straightness of the fixed-length and movable ruler after installation, which meets the working requirements of the linear displacement sensor. In this way, the same set of linear motors can drive two sets of linear displacement sensors, thereby realizing the waterproof detection of two sets of time-grid products at the same time, thereby improving the detection efficiency.

[0028] In order to protect the linear motor, the utility model is provided with water baffles on two fixed-size mounting bases respectively, and the water baffles are located at the side of the linear motor to prevent water from splashing onto the linear motor.

[0029] In order to better understand the present invention, the main components involved in the present invention are introduced below.

[0030] The motor mounting base 1 is used to fix and install the motor. Before installation, the flatness of the motor mounting base reference surface is ensured, and the straightness of the linear motor 9 and the fixed-size mounting base 2 is ensured after the linear motor 9 is installed. In the embodiment, the motor mounting base is composed of 12 mounting positioning holes and is connected to the linear motor 9 by screws.

[0031] The fixed-size mounting base 2 is used for fixed-size fixing and installation. Before installation, the flatness of the fixed-size mounting base reference surface is ensured, and at the same time, the straightness of the fixed-size reference surface and the linear motor 9 is ensured after the fixed-size 7 is installed. In the embodiment, the fixed-size mounting base is composed of 5 mounting positioning holes, which are connected to the fixed-size 7 by screws, and a water baffle is also provided on the top to prevent water from splashing onto the linear motor 9.

[0032] The movable ruler mounting bracket 3 is used to fix and install the movable ruler. The movable ruler mounting bracket is composed of a short side and a long side and is L-shaped. The short side is fixed by screws and the slide of the linear motor 9, and the long side is fixed by screws and the movable ruler 8.

[0033] The spray installation base 4 is used to fix the spray pipeline. It is composed of 20 double-layer perforated plates, which are fixed to the box body by screws and fix the pipeline through holes.

[0034] The box 5 is used to install various components involved in waterproof testing, hold the internal spray liquid, and form a circulation system. The box consists of a bottom edge, four side edges and a top cover, which can be opened and closed to ensure that the interior is relatively sealed. A partition is provided inside to isolate the water pump 10, and the holes on the partition ensure the circulation of the water circuit; the drainage structure is convenient for replacing the spray liquid; and the handles on the side are convenient for carrying the box.

[0035] The test platform 6 is used as a placement platform for the box, supports the weight of the box, and provides a certain storage space. It is composed of a placement plane and a support base that supports the placement plane.

[0036] The fixed length 7 is the fixed length part of the closed straight line grid, and the fixed length is fixedly mounted on the fixed length mounting base 2 by screws.

[0037] The movable ruler 8 is the movable ruler part of the closed linear time grid, and the movable ruler is fixed on the movable ruler mounting bracket 3 by screws.

[0038] The linear motor 9 is used to provide reciprocating linear motion for the movable ruler 8 .

[0039] The water pump 10 is used to provide power for water circulation, and together with the laid spray pipes and nozzles, forms a spray system.

[0040] The top cover 11 provides a closed environment for testing.

[0041] The control cabinet 12 contains a driver to control the movement of the linear motor 9. It is installed outside the box to achieve isolation from the waterway and ensure the safety and reliability of the control cabinet.

[0042] Each side of the box of the utility model is made of transparent acrylic material, which is convenient for observing the spraying state and the movement state of the linear time grid. The acrylic material has a flat and smooth surface, a firm structure, and high strength. By debugging the linear motor, fixed-length, and movable-length mounting brackets, the installation accuracy requirements can be met.

[0043] This waterproof detection device is designed with a variety of flexible functions to meet different test requirements. On the one hand, it can adapt to a variety of linear time grids, including but not limited to closed linear, compact closed linear, etc. It is also designed with double mounting seats, and closed linear time grids can be installed on both sides of the linear motor, which has high test efficiency. In addition, the spray system is designed with oil pump and water pump switchable modes to meet different spray liquid requirements. The nozzle is connected to the spray pipeline through a metal bellows, so that the spray angle of the nozzle can be adjusted arbitrarily, and the spray speed of the nozzle can also be adjusted, thereby flexibly adapting to different spray requirements.

[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described by referring to the preferred embodiments of the utility model, those skilled in the art should understand that various changes can be made in form and details without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. A closed linear displacement sensor waterproof detection device, characterized in that: It includes a box body, which is divided into a water pump installation area and a detection area by a partition. A motor installation base, a fixed-length installation base and a spray installation base are arranged in the detection area. A linear motor is fixedly installed on the motor installation base, and the slide of the linear motor is fixedly connected with a moving scale installation bracket, and the moving scale installation bracket is used to install the moving scale; the fixed-length installation base is used to install the fixed scale, and the installation reference surfaces of the moving scale installation bracket and the fixed-length installation base meet the straightness of the fixed scale and the moving scale after installation, which meets the working requirements of the linear displacement sensor; a spray pipeline is fixedly installed on the spray installation base, and a plurality of nozzles are arranged on the spray pipeline; a water pump is fixedly installed in the water pump installation area, and the water inlet of the water pump is connected with the detection area, and the water outlet of the water pump is connected with the spray pipeline through a pipeline.

2. A closed linear displacement sensor waterproof detection device according to claim 1, characterized in that: The movable ruler mounting bracket is an L-shaped structure consisting of a horizontal short side and a vertical long side. The short side is fixed to the slide of the linear motor by screws, and the long side is used to fix to the movable ruler.

3. The closed linear displacement sensor waterproof detection device according to claim 1, characterized in that: Each side of the box is made of transparent material.

4. The closed linear displacement sensor waterproof detection device according to claim 1, characterized in that: It also includes a test platform, which consists of a horizontal placement plane and a support base supporting the placement plane; the box is placed on the placement plane.

5. The closed linear displacement sensor waterproof detection device according to claim 1, characterized in that: A misting device for atomizing water is provided in the detection area, and an openable and closable top cover is provided above the box body. When the top cover is closed, a closed environment is provided for the box body to stabilize the water mist environment provided by the misting device.

6. The closed linear displacement sensor waterproof detection device according to claim 1, characterized in that: A drain outlet is provided at the bottom of the detection area of ​​the box body, the drain outlet is connected to a drain pipe, and a drain valve is provided on the drain pipe.

7. The closed linear displacement sensor waterproof detection device according to claim 1, characterized in that: There are two spray installation bases, which are located on the left and right sides of the linear motor; the spray pipelines and nozzles are installed on the two spray installation bases and the partition.

8. The closed linear displacement sensor waterproof detection device according to claim 1, characterized in that: There are two sets of movable ruler mounting brackets which are fixedly mounted on the left and right sides of the slide of the linear motor. There are two sets of fixed-length mounting bases which are located on the left and right sides of the motor mounting base. The two fixed-length mounting bases and the movable ruler mounting brackets on the corresponding sides must meet the straightness requirements of the fixed-length and movable ruler after installation, and meet the working requirements of the linear displacement sensor.

9. A closed linear displacement sensor waterproof detection device according to claim 8, characterized in that: Water baffles are respectively arranged on the two fixed-length mounting bases, and the water baffles are located on the sides of the linear motor to prevent water from splashing onto the linear motor.

Images