Auxiliary positioning device for processing high-precision ultralow-temperature liquid level meter

Abstract

The utility model provides an auxiliary positioning device for machining a high-precision ultralow-temperature liquid level meter, which comprises a machining table, supporting legs are fixedly connected to the periphery of the bottom of the machining table, and an auxiliary positioning mechanism is arranged at the bottom of the machining table. The auxiliary positioning mechanism comprises a connecting rod, a sliding sleeve, a swing rod, a special-shaped swing plate, a moving rod, a moving plate and a telescopic piece, the inner side of the moving rod is provided with a replacing mechanism, the replacing mechanism comprises a clamping plate, an inserting plate, a circular inserting groove, a square inserting groove, a square groove, a moving block, an inserting rod and a push rod, and the left side and the right side of the machining table are each provided with a trapezoidal groove. By arranging the auxiliary positioning mechanism, the high-precision ultralow-temperature liquid level meter can be conveniently clamped and fixed to the top of the positioning table, subsequent machining of the high-precision ultralow-temperature liquid level meter is facilitated, and machining failure caused by displacement of the high-precision ultralow-temperature liquid level meter in the machining process is prevented.

Description

Technical Field

[0001] The utility model relates to an auxiliary positioning device for processing a high-precision ultra-low temperature liquid level gauge, belonging to the technical field of liquid level gauges. Background Art

[0002] The liquid level gauge is also called "water level gauge" or "liquid level gauge". Because the water in the boiler vaporizes at high temperature for heating, the loss of water and steam is large. Water must be continuously added to keep the water level in the boiler at a certain height. If the water level is too low, the boiler will be in danger of exploding. In order to know the water level in the boiler at any time, a water level gauge is installed on the boiler. The water level gauge and the boiler form a connecting vessel. Commonly used ones include glass level gauges, pressure level gauges, float level gauges, capacitance level gauges and resistance level gauges. Under high temperature and high pressure, isotope level gauges can also be used;

[0003] The liquid level gauge also includes a high-precision ultra-low temperature liquid level gauge, but the existing high-precision ultra-low temperature liquid level gauge lacks a device that can position it during the processing, which makes it extremely easy to move during the processing, resulting in processing failure and a low processing qualification rate. In addition, different sizes of high-precision ultra-low temperature liquid level gauges require different positioning devices, and one positioning device can usually only process one model of high-precision ultra-low temperature liquid level gauge, which is not convenient for timely replacement. Therefore, the processing efficiency is also low and it is not convenient for people to use.

[0004] Therefore, an auxiliary positioning device for machining high-precision ultra-low temperature liquid level gauge is proposed. Utility Model Content

[0005] In view of this, the utility model provides an auxiliary positioning device for processing a high-precision ultra-low temperature liquid level gauge to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial choice.

[0006] The technical solution of the utility model is achieved as follows: an auxiliary positioning device for processing a high-precision ultra-low temperature liquid level gauge, comprising a processing table, wherein support legs are fixedly connected on all four sides of the bottom of the processing table, an auxiliary positioning mechanism is arranged at the bottom of the processing table, the auxiliary positioning mechanism comprises a connecting rod, a sliding sleeve, a swing rod, a special-shaped swing plate, a moving rod, a moving plate and a telescopic member, a replacement mechanism is arranged on the inner side of the moving rod, the replacement mechanism comprises a clamping plate, an insert plate, a circular slot, a square slot, a square slot, a moving block, an insert rod and a push rod, trapezoidal slots are arranged on the left and right sides of the processing table, and a positioning table is fixedly connected to the middle end of the top of the processing table.

[0007] Further preferably, the connecting rod is fixedly connected to the middle end of the bottom of the processing table, the sliding sleeve is arranged on the outer surface of the connecting rod, the number of the swing rods is two, which are rotatably connected to the inner sides of the left and right sides of the sliding sleeve through a rotating shaft, the number of the special-shaped swing plates is two groups, two in each group, all of which are rotatably connected to the outer side of the bottom of the sliding sleeve through a rotating shaft, the number of the moving rods is two, which are rotatably connected to the inner sides of the tops of the two groups of special-shaped swing plates through a rotating shaft, the number of the moving plates is two, which are rotatably connected to the inner sides of the moving rods through a rotating shaft, the telescopic member is arranged at the middle end of the bottom of the two groups of moving rods, and the left and right sides of the telescopic member are rotatably connected to the inner sides of the two groups of moving rods through a rotating shaft.

[0008] Further preferably, the clamping plate is arranged on the inner side of the moving rod, the plug plate is fixedly connected to the outer side of the clamping plate, the circular slot is opened on the inner surface of the plug plate, the square slot is opened on the inner side of the moving rod, and the plug plate is plugged into the inner side of the square slot, the number of the square slots is two, which are respectively opened on the front and rear sides of the inner surface of the top of the moving rod, the moving block is slidably connected to the inner side of the square slot, the plug rod is fixedly connected to the inner side of the moving block, and the plug rod passes through the inner wall of the moving rod and is plugged into the inner side of the circular slot, and the push rod is fixedly connected to the top of the moving block.

[0009] Further preferably, a limit plate is fixedly connected to the bottom of the connecting rod, and a size of the limit plate is larger than a size of the sliding sleeve.

[0010] Further preferably, sliding grooves are provided on the left and right sides of the top of the processing table and the left and right sides of the top of the positioning table, and the bottom of the moving rod is fixedly connected with a sliding block, and the sliding block is slidably connected to the inner side of the sliding groove.

[0011] Further preferably, both the front and rear sides of the top of the movable plate are provided with limiting grooves, and the push rod is slidably connected to the inner side of the limiting grooves.

[0012] Further preferably, the outer sides of the square grooves are fixedly connected with pressure springs, and the inner sides of the pressure springs are fixedly connected to the outer sides of the moving blocks.

[0013] The embodiment of the utility model has the following advantages due to the adoption of the above technical solution:

[0014] 1. The utility model provides an auxiliary positioning mechanism, which can facilitate the clamping of the high-precision ultra-low temperature liquid level gauge and fix it on the top of the positioning table, so as to facilitate the subsequent processing of the high-precision ultra-low temperature liquid level gauge and prevent the high-precision ultra-low temperature liquid level gauge from being displaced during the processing, resulting in processing failure.

[0015] 2. The utility model provides a replacement mechanism, and can clamp high-precision ultra-low temperature liquid level gauges of different sizes and shapes by replacing the clamping plate, thereby avoiding loosening during clamping due to size mismatch between the clamping plate and the high-precision ultra-low temperature liquid level gauge, and can improve the accuracy during processing, thereby improving processing efficiency.

[0016] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the front structure of the main body of the utility model;

[0019] Figure 2 This is a structural schematic diagram of the auxiliary positioning mechanism of the utility model in a disassembled state;

[0020] Figure 3 It is an exploded view of the movable plate and the clamping plate of the utility model;

[0021] Figure 4 It is a schematic diagram of the cross-sectional structure of the top of the movable plate of the utility model.

[0022] 1. Processing table; 2. Support leg; 3. Auxiliary positioning mechanism; 301. Connecting rod; 302. Sliding sleeve; 303. Swinging rod; 304. Special-shaped swinging plate; 305. Moving rod; 306. Moving plate; 307. Telescopic member; 4. Replacement mechanism; 401. Clamping plate; 402. Inserting plate; 403. Circular slot; 404. Square slot; 405. Square slot; 406. Moving block; 407. Inserting rod; 408. Push rod; 5. Trapezoidal slot; 6. Positioning table; 7. Limiting plate; 8. Sliding slot; 9. Sliding block; 10. Limiting slot; 11. Pressure spring. DETAILED DESCRIPTION

[0023] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0024] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0025] Example 1

[0026] like Figure 1-4 As shown, the embodiment of the utility model provides an auxiliary positioning device for processing a high-precision ultra-low temperature liquid level gauge, comprising a processing table 1, the bottom of the processing table 1 is fixedly connected with support legs 2, the bottom of the processing table 1 is provided with an auxiliary positioning mechanism 3, the auxiliary positioning mechanism 3 includes a connecting rod 301, a sliding sleeve 302, a swing rod 303, a special-shaped swing plate 304, a moving rod 305, a moving plate 306 and a telescopic member 307, the inner side of the moving rod 305 is provided with a replacement mechanism 4, the replacement mechanism 4 includes a clamping plate 401, a plug plate 402, a circular slot 403, and a support plate 404. 03, square slot 404, square slot 405, moving block 406, plug rod 407 and push rod 408, trapezoidal slots 5 are provided on both sides of the processing table 1, the middle end of the top of the processing table 1 is fixedly connected with a positioning table 6, the connecting rod 301 is fixedly connected to the middle end of the bottom of the processing table 1, the sliding sleeve 302 is sleeved on the outer surface of the connecting rod 301, the number of swing rods 303 is two, and they are respectively connected to the inner sides of the left and right sides of the sliding sleeve 302 by rotating shafts, and the number of special-shaped swing plates 304 is two groups, each group of two, and they are all connected to the sliding sleeve 302 by rotating shafts. The outer side of the bottom of the movable sleeve 302, the number of moving rods 305 is two, and they are respectively connected to the inner side of the top of the two groups of special-shaped swing plates 304 through a rotating shaft. The number of moving plates 306 is two, and they are respectively connected to the inner side of the moving rods 305 through a rotating shaft. The telescopic member 307 is arranged at the middle end of the bottom of the two groups of moving rods 305, and the left and right sides of the telescopic member 307 are both connected to the inner side of the two groups of moving rods 305 through a rotating shaft. The clamping plate 401 is arranged on the inner side of the moving rod 305, and the plug plate 402 is fixedly connected to the outer side of the clamping plate 401. The circular plug The groove 403 is opened on the inner surface of the plug plate 402, the square slot 404 is opened on the inner side of the moving rod 305, and the plug plate 402 is inserted into the inner side of the square slot 404. There are two square slots 405, which are respectively opened on the front and back sides of the top inner surface of the moving rod 305. The moving block 406 is slidably connected to the inner side of the square slot 405, the insertion rod 407 is fixedly connected to the inner side of the moving block 406, and the insertion rod 407 passes through the inner wall of the moving rod 305 and is inserted into the inner side of the circular slot 403, and the push rod 408 is fixedly connected to the top of the moving block 406.

[0027] By setting up the auxiliary positioning mechanism 3, it is convenient to clamp the high-precision ultra-low temperature liquid level gauge and fix it on the top of the positioning platform 6, so as to facilitate the subsequent processing of the high-precision ultra-low temperature liquid level gauge and prevent the high-precision ultra-low temperature liquid level gauge from being displaced during the processing, resulting in processing failure. By setting up the replacement mechanism 4, high-precision ultra-low temperature liquid level gauges of different sizes and shapes can be clamped by replacing the clamping plate 401, so as to avoid loosening during clamping due to size mismatch between the clamping plate 401 and the high-precision ultra-low temperature liquid level gauge, thereby improving the accuracy during processing and thus improving the processing efficiency.

[0028] Example 2

[0029] In one embodiment, sliding grooves 8 are provided on the left and right sides of the top of the processing table 1 and the left and right sides of the top of the positioning table 6, the bottom of the moving rod 305 is fixedly connected with a sliding block 9, and the sliding block 9 is slidably connected to the inner side of the sliding groove 8, the front and rear sides of the top of the moving plate 306 are provided with limiting grooves 10, and the push rod 408 is slidably connected to the inner side of the limiting groove 10, the outer side of the square groove 405 is fixedly connected with a pressure spring 11, and the inner side of the pressure spring 11 is fixedly connected to the outer side of the moving block 406.

[0030] By setting the limit plate 7, the movement of the sliding sleeve 302 can be limited. By setting the sliding groove 8 and the sliding block 9, the stability of the moving rod 305 can be improved. By setting the limit groove 10, the movement of the push rod 408 can be limited. By setting the pressure spring 11, a buffering effect can be played when the moving block 406 moves.

[0031] When the utility model is working: first, when it is necessary to process the high-precision ultra-low temperature liquid level gauge, first select the clamping plate 401 that matches the high-precision ultra-low temperature liquid level gauge, at this time, pull the push rods 408 on both sides outward at the same time, the push rods 408 drive the moving block 406 to move outward, and squeeze the pressure spring 11 through the moving block 406, so that the pressure spring 11 is deformed, and at this time, the plug plate 402 is plugged into the inner side of the square slot 404, and after the push rod 408 is released, the pressure spring 11 loses the squeezing force and returns to its original state, driving the moving block 406 to move inward, and the moving block 406 drives the plug rod 407 to be plugged into the inner side of the circular slot 403, 402 is fixed to complete the installation of the clamping plate 401. At this time, the high-precision ultra-low temperature liquid level gauge to be processed is placed on the top of the positioning platform 6, and the telescopic member 307 is started. The two sides of the telescopic member 307 move outward at the same time, driving the special-shaped swing plate 304 to swing. During the swinging process, the special-shaped swing plate 304 drives the sliding sleeve 302 to move downward, and drives the moving rod 305 and the moving plate 306 to move inward at the same time. The moving plate 306 drives the clamping plate 401 to move inward until the clamping plate 401 clamps the high-precision ultra-low temperature liquid level gauge. The positioning work of the high-precision ultra-low temperature liquid level gauge can be completed, which is convenient for subsequent processing.

[0032] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. An auxiliary positioning device for high-precision ultra-low temperature liquid level gauge processing, characterized in that: The invention comprises a processing table (1), wherein the bottom of the processing table (1) is fixedly connected to supporting legs (2) on all sides, an auxiliary positioning mechanism (3) is arranged at the bottom of the processing table (1), the auxiliary positioning mechanism (3) comprises a connecting rod (301), a sliding sleeve (302), a swing rod (303), a special-shaped swing plate (304), a moving rod (305), a moving plate (306) and a telescopic member (307), a replacement mechanism (4) is arranged on the inner side of the moving rod (305), the replacement mechanism (4) comprises a clamping plate (401), an inserting plate (402), a circular slot (403), a square slot (404), a square slot (405), a moving block (406), an inserting rod (407) and a push rod (408), trapezoidal slots (5) are arranged on the left and right sides of the processing table (1), and a positioning table (6) is fixedly connected to the middle end of the top of the processing table (1).

2. The auxiliary positioning device for high-precision ultra-low temperature liquid level gauge processing according to claim 1 is characterized in that: The connecting rod (301) is fixedly connected to the middle end of the bottom of the processing table (1); the sliding sleeve (302) is sleeved on the outer surface of the connecting rod (301); the number of the swing rods (303) is two, which are respectively rotatably connected to the inner sides of the left and right sides of the sliding sleeve (302) through a rotating shaft; the number of the special-shaped swing plates (304) is two, each group has two, and both are rotatably connected to the outer side of the bottom of the sliding sleeve (302) through a rotating shaft; the number of the moving rods (305) is two, which are respectively rotatably connected to the inner sides of the tops of the two groups of special-shaped swing plates (304) through a rotating shaft; the number of the moving plates (306) is two, which are respectively rotatably connected to the inner sides of the moving rods (305) through a rotating shaft; the telescopic member (307) is arranged at the middle end of the bottom of the two groups of the moving rods (305), and the left and right sides of the telescopic member (307) are both rotatably connected to the inner sides of the two groups of the moving rods (305) through a rotating shaft.

3. The auxiliary positioning device for high-precision ultra-low temperature liquid level gauge processing according to claim 2 is characterized in that: The clamping plate (401) is arranged on the inner side of the moving rod (305), the plugging plate (402) is fixedly connected to the outer side of the clamping plate (401), the circular slot (403) is opened on the inner surface of the plugging plate (402), the square slot (404) is opened on the inner side of the moving rod (305), and the plugging plate (402) is plugged into the inner side of the square slot (404), and the number of the square slots (405) is two. , respectively opened on the front and rear sides of the inner surface of the top of the moving rod (305), the moving block (406) is slidably connected to the inner side of the square groove (405), the insertion rod (407) is fixedly connected to the inner side of the moving block (406), and the insertion rod (407) passes through the inner wall of the moving rod (305) and is inserted into the inner side of the circular slot (403), and the push rod (408) is fixedly connected to the top of the moving block (406).

4. The auxiliary positioning device for high-precision ultra-low temperature liquid level gauge processing according to claim 2, characterized in that: The bottom of the connecting rod (301) is fixedly connected to a limiting plate (7), and the size of the limiting plate (7) is larger than the size of the sliding sleeve (302).

5. The auxiliary positioning device for high-precision ultra-low temperature liquid level gauge processing according to claim 2, characterized in that: Sliding grooves (8) are provided on the left and right sides of the top of the processing table (1) and the left and right sides of the top of the positioning table (6), and the bottom of the moving rod (305) is fixedly connected to a sliding block (9), and the sliding block (9) is slidably connected to the inner side of the sliding groove (8).

6. The auxiliary positioning device for high-precision ultra-low temperature liquid level gauge processing according to claim 3, characterized in that: Limiting grooves (10) are provided on both the front and rear sides of the top of the movable plate (306), and the push rod (408) is slidably connected to the inner side of the limiting groove (10).

7. The auxiliary positioning device for processing a high-precision ultra-low temperature liquid level gauge according to claim 3, characterized in that: The outer sides of the square grooves (405) are fixedly connected to pressure springs (11), and the inner sides of the pressure springs (11) are fixedly connected to the outer sides of the moving blocks (406).

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