Pressure gauge clamping and cap screwing equipment

Abstract

The utility model relates to the technical field of pressure gauge production, in particular to a pressure gauge clamping and cap screwing device which can automatically screw a gauge cap at the upper end of a pressure gauge shell, reduces work of workers, reduces labor intensity, and is convenient to use and high in practicability. Comprising a bottom plate, a three-jaw chuck, a support and a fixing plate, and the fixing plate is fixedly installed on the bottom plate through the support; the three-jaw chuck is installed on the bottom plate through the lifting mechanism, the cover pressing mechanism and the cover screwing mechanism are both installed on the fixing plate, the cover pressing mechanism has a cover pressing function, the cover screwing mechanism has a cover screwing function, and the lifting mechanism is used for lifting the three-jaw chuck.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure gauge production, in particular to a pressure gauge clamping and capping device. Background Art

[0002] A pressure gauge is a device used to measure the pressure of gas or liquid, and it is widely used in pipelines. In the production process of pressure gauges, the capping process is a relatively important step, which mainly involves tightening the pressure gauge cover onto the housing of the pressure gauge. At present, it is generally necessary for the staff to place the gauge cover on the housing, insert the booster rod into the gauge cover, and then rotate the gauge cover so that the gauge cover is tightened onto the housing; for some large-sized pressure gauges, due to their large size and weight, during long-term capping work, relying solely on workers to manually screw the cap is not only labor-intensive, but also easily causes soreness in the working arm, affecting work efficiency, so a device that can automatically screw the cap on the pressure gauge is needed. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a pressure gauge clamping and screwing cover device which can automatically screw the gauge cover onto the upper end of the pressure gauge case, reduces the labor of the staff, reduces the labor intensity, is easy to use and has high practicality.

[0004] The pressure gauge clamping and screwing cover device of the utility model comprises a base plate, a three-jaw chuck, a bracket and a fixed plate, and the fixed plate is fixedly mounted on the base plate through the bracket; it also comprises a pressing cover mechanism, a screwing cover mechanism and a lifting mechanism, the three-jaw chuck is mounted on the base plate through the lifting mechanism, the pressing cover mechanism and the screwing cover mechanism are both mounted on the fixed plate, the pressing cover mechanism has a pressing cover function, the screwing cover mechanism has a screwing cover function, and the lifting mechanism is used to lift the three-jaw chuck; when screwing the cover on the upper end of the pressure gauge case, the pressure gauge case is first placed on the upper end of the three-jaw chuck for clamping and fixing, and then the staff places the cover on the upper end of the pressure gauge case, and then the three-jaw chuck drives the pressure gauge case and the cover to rise through the lifting mechanism, until the cover rises to a height matched with the screwing cover mechanism, and then the pressing cover mechanism applies downward pressure to the cover, and at the same time the screwing cover mechanism rotates the cover so that the cover is screwed on the upper end of the pressure gauge case; it can automatically screw the cover on the upper end of the pressure gauge case, reduces the labor of the staff, reduces the labor intensity, is easy to use, and has high practicality.

[0005] Preferably, the lifting mechanism includes an oil cylinder, a fixed column, a push rod, a sliding column and a lifting plate, the oil cylinder and the fixed column are fixedly mounted on the bottom plate, the lower end of the push rod is connected to the output end of the oil cylinder, the lower part of the sliding column is slidably mounted on the fixed column up and down, the lifting plate is fixedly mounted on the upper ends of the push rod and the sliding column, and the three-jaw chuck is fixedly mounted on the upper end of the lifting plate; when it is necessary to tighten the meter cover to the upper end of the pressure gauge case, the oil cylinder is opened, the fixed column causes the lifting plate to drive the three-jaw chuck to adjust the height through the push rod, the three-jaw chuck causes the pressure gauge case to adjust the height, and the pressure gauge case drives the meter cover to adjust the height until the height of the meter cover is matched with the height of the screw cover mechanism; it can adjust the height of the meter cover according to the height of the pressure gauge case and the meter cover, and can screw the cover on a pressure gauge of any height, it is easy to use and has low limitations.

[0006] Preferably, the capping mechanism comprises a moving mechanism, two sets of fixed frames, two sets of torque motors A, two sets of rotating shafts, two sets of transmission shafts, two sets of springs and two sets of friction wheels. The two sets of fixed frames are mounted on the fixed plate through the moving mechanism. The moving mechanism is used to move the two sets of fixed frames. The two sets of torque motors A are respectively fixedly mounted on the two sets of fixed frames. The two sets of rotating shafts are respectively rotatably mounted on the two sets of fixed frames. The upper ends of the two sets of rotating shafts are respectively connected to the two sets of torque motors A. The two sets of transmission shafts are respectively slidably mounted on the two sets of rotating shafts. The lower ends of the two sets of springs are respectively fixedly mounted on the two sets of transmission shafts. The upper ends of the two sets of springs are respectively fixedly mounted on the two sets of rotating shafts. The two sets of friction wheels are respectively fixedly mounted on the two sets of At the lower end of the transmission shaft, both torque motors A are provided with reducers; when tightening the meter cover to the upper end of the pressure gauge case, first move the meter cover between the two friction wheels, then open the moving mechanism, the moving mechanism makes the two fixed frames approach each other, the two fixed frames make the two transmission shafts drive the two friction wheels approach each other through the two rotating shafts, until the two friction wheels are respectively pressed against the left and right ends of the meter cover, then turn on the two torque motors A, the two torque motors A make the two transmission shafts drive the two friction wheels to rotate synchronously through the two rotating shafts, the rotating two friction wheels make the meter cover rotate, so that the meter cover is tightened and fixed to the upper end of the pressure gauge case; it is convenient to tighten the meter cover to the upper end of the pressure gauge case, and the convenience is improved.

[0007] Preferably, the moving mechanism comprises a vertical plate, a torque motor B, a lead screw, two sets of sliding blocks and a slide rail, the vertical plate is fixedly mounted on the fixed plate, the torque motor B is fixedly mounted on the vertical plate, the lead screw is rotatably mounted on the vertical plate, the left and right parts of the lead screw are respectively provided with external threads with opposite rotation directions, the right end of the lead screw is connected to the torque motor B, the two sets of sliding blocks are respectively screwed with the left and right parts of the lead screw, the two sets of sliding blocks are both slidably mounted on the slide rail, the slide rail is fixedly mounted on the fixed plate, and the two sets of fixed frames are respectively fixedly mounted on the two sets of sliding blocks; when the meter cover is screwed on the upper end of the pressure gauge case, the torque motor B is turned on, the torque motor B drives the lead screw to rotate, the rotating lead screw drives the two sets of fixed frames to drive the two sets of rotating shafts to approach each other through the two sets of sliding blocks, and the two sets of rotating shafts drive the two sets of friction wheels to approach each other through the two sets of transmission shafts, until the two sets of friction wheels are respectively pressed against the left and right ends of the meter cover, and then the two sets of friction wheels drive the meter cover to rotate; since the spacing between the two sets of friction wheels can be adjusted, it can tighten a meter cover of any diameter, which is easy to use and has low limitations.

[0008] Preferably, the cover pressing mechanism includes a fixed block, a micro cylinder, a push rod and a pressure plate, the fixed block is fixedly mounted on the fixed plate, the micro cylinder is fixedly mounted on the fixed block, the upper end of the push rod is connected to the micro cylinder, the lower part of the push rod is provided with a bearing, the lower part of the push rod is rotatably connected to the bearing, the pressure plate is fixedly mounted on the lower end of the bearing, and the bearing is coaxial with the three-jaw chuck; when screwing the cover on, open the micro cylinder, the micro cylinder lowers the pressure plate through the push rod until the pressure plate contacts the upper end of the cover, so that the pressure plate presses the cover tightly against the upper end of the pressure gauge case; this facilitates pressing down on the cover.

[0009] Preferably, a rubber sleeve is provided at the lower end of the pressing plate; through the above arrangement, the pressing plate is prevented from crushing the watch cover, thereby improving reliability.

[0010] Preferably, a dust cover is provided on the torque motor B; through the above arrangement, the dust-proof effect of the torque motor B during use is improved.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the meter cover can be automatically screwed onto the upper end of the pressure meter case, which reduces the labor of the staff, reduces the labor intensity, is easy to use, and has high practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a first axonometric structural schematic diagram of the utility model;

[0013] Figure 2 It is a schematic diagram of the structure of the base plate, lifting mechanism and three-jaw chuck;

[0014] Figure 3 It is a main structural schematic diagram of the utility model;

[0015] Figure 4It is a schematic diagram of the structure of the fixed frame, spring and transmission shaft;

[0016] Figure 5 It is a schematic diagram of the structure of the friction wheel, the fixed plate and the pressure plate.

[0017] Markings in the attached drawings: 1. base plate; 2. three-jaw chuck; 3. bracket; 4. fixed plate; 5. pressure gauge case; 6. gauge cover; 7. oil cylinder; 8. fixed column; 9. push rod; 10. sliding column; 11. lifting plate; 12. fixed frame; 13. torque motor A; 14. rotating shaft; 15. transmission shaft; 16. spring; 17. friction wheel; 18. vertical plate; 19. torque motor B; 20. screw; 21. sliding block; 22. slide rail; 23. fixed block; 24. micro cylinder; 25. push rod; 26. pressure plate. DETAILED DESCRIPTION

[0018] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0019] Example 1

[0020] like Figures 1 to 5 The pressure gauge clamping and capping device of the utility model comprises a base plate 1, a three-jaw chuck 2, a bracket 3, a fixed plate 4, a capping mechanism, a capping mechanism and a lifting mechanism. The fixed plate 4 is fixedly mounted on the base plate 1 through the bracket 3, the three-jaw chuck 2 is mounted on the base plate 1 through the lifting mechanism, the capping mechanism and the capping mechanism are both mounted on the fixed plate 4, the capping mechanism has a capping function, the capping mechanism has a capping function, and the lifting mechanism is used to lift the three-jaw chuck 2; when the gauge cover 6 is screwed on the upper end of the pressure gauge case 5, the pressure gauge case 5 is first placed on the three-jaw chuck 2. The upper end of the claw chuck 2 is clamped and fixed, and then the staff puts the meter cover 6 on the upper end of the pressure gauge case 5, and then the three-jaw chuck 2 drives the pressure gauge case 5 and the meter cover 6 to rise through the lifting mechanism, until the meter cover 6 rises to a height that matches the height of the screw-on mechanism, and then the pressure pressing mechanism applies downward pressure to the meter cover 6, and at the same time the screw-on mechanism rotates the meter cover 6 so that the meter cover 6 is screwed tightly on the upper end of the pressure gauge case 5; it can automatically screw the meter cover 6 on the upper end of the pressure gauge case 5, which reduces the labor of the staff, reduces the labor intensity, is easy to use, and has high practicality.

[0021] like Figure 1 and Figure 2, the lifting mechanism includes an oil cylinder 7, a fixed column 8, a push rod 9, a sliding column 10 and a lifting plate 11. The oil cylinder 7 and the fixed column 8 are fixedly mounted on the bottom plate 1, the lower end of the push rod 9 is connected to the output end of the oil cylinder 7, the lower part of the sliding column 10 is slidably mounted on the fixed column 8 up and down, the lifting plate 11 is fixedly mounted on the upper ends of the push rod 9 and the sliding column 10, and the three-jaw chuck 2 is fixedly mounted on the upper end of the lifting plate 11; when it is necessary to tighten the meter cover 6 on the upper end of the pressure gauge case 5, open the oil cylinder 7, the fixed column 8 drives the lifting plate 11 to drive the three-jaw chuck 2 to adjust the height through the push rod 9, the three-jaw chuck 2 adjusts the height of the pressure gauge case 5, and the pressure gauge case 5 drives the meter cover 6 to adjust the height until the height of the meter cover 6 is matched with the height of the screw cap mechanism; it can adjust the height of the meter cover 6 according to the height of the pressure gauge case 5 and the meter cover 6, and can screw the pressure gauge of any height, which is easy to use and has low limitations.

[0022] like Figure 1 , Figure 3 , Figure 4 and Figure 5 The capping mechanism includes a moving mechanism, two sets of fixed frames 12, two sets of torque motors A13, two sets of rotating shafts 14, two sets of transmission shafts 15, two sets of springs 16 and two sets of friction wheels 17. The two sets of fixed frames 12 are installed on the fixed plate 4 through the moving mechanism. The moving mechanism is used to move the two sets of fixed frames 12. The two sets of torque motors A13 are respectively fixedly installed on the two sets of fixed frames 12. The two sets of rotating shafts 14 are respectively rotatably installed on the two sets of fixed frames 12. The upper ends of the two sets of rotating shafts 14 are respectively connected to the two sets of torque motors A13. The two sets of transmission shafts 15 are respectively slidably installed on the two sets of rotating shafts 14. The lower ends of the two sets of springs 16 are respectively fixedly installed on the two sets of transmission shafts 15. The upper ends of the two sets of springs 16 are respectively fixedly installed on the two sets of rotating shafts 14. The two sets of friction wheels 17 are respectively fixedly installed on the two sets of transmission shafts. At the lower end of the moving shaft 15, both sets of torque motors A13 are provided with reducers; when the meter cover 6 is tightened on the upper end of the pressure gauge case 5, the meter cover 6 is first moved between the two sets of friction wheels 17, and then the moving mechanism is opened. The moving mechanism makes the two sets of fixed frames 12 approach each other, and the two sets of fixed frames 12 make the two sets of transmission shafts 15 drive the two sets of friction wheels 17 approach each other through the two sets of rotating shafts 14, until the two sets of friction wheels 17 are respectively pressed against the left and right ends of the meter cover 6, and then the two sets of torque motors A13 are turned on. The two sets of torque motors A13 make the two sets of transmission shafts 15 drive the two sets of friction wheels 17 to rotate synchronously through the two sets of rotating shafts 14, and the rotating two sets of friction wheels 17 make the meter cover 6 rotate, so that the meter cover 6 is tightened and fixed on the upper end of the pressure gauge case 5; it is convenient to tighten the meter cover 6 on the upper end of the pressure gauge case 5, thereby improving convenience.

[0023] like Figure 3 and Figure 5The moving mechanism includes a vertical plate 18, a torque motor B19, a lead screw 20, two sets of sliding blocks 21 and a slide rail 22. The vertical plate 18 is fixedly mounted on the fixed plate 4, the torque motor B19 is fixedly mounted on the vertical plate 18, the lead screw 20 is rotatably mounted on the vertical plate 18, the left and right parts of the lead screw 20 are respectively provided with external threads with opposite rotation directions, the right end of the lead screw 20 is connected to the torque motor B19, the two sets of sliding blocks 21 are respectively screwed with the left and right parts of the lead screw 20, the two sets of sliding blocks 21 are both slidably mounted on the slide rail 22, the slide rail 22 is fixedly mounted on the fixed plate 4, and the two sets of fixed frames 12 are respectively fixedly mounted on the two sets of sliding blocks When the meter cover 6 is screwed onto the upper end of the pressure gauge case 5, the torque motor B19 is turned on, and the torque motor B19 drives the lead screw 20 to rotate. The rotating lead screw 20 drives the two sets of fixed frames 12 to drive the two sets of rotating shafts 14 to approach each other through the two sets of sliding blocks 21. The two sets of rotating shafts 14 drive the two sets of friction wheels 17 to approach each other through the two sets of transmission shafts 15, until the two sets of friction wheels 17 are respectively pressed against the left and right ends of the meter cover 6, and then the two sets of friction wheels 17 drive the meter cover 6 to rotate. Since the spacing between the two sets of friction wheels 17 can be adjusted, it can tighten the meter cover 6 of any diameter, which is easy to use and has low limitations.

[0024] like Figure 3 and Figure 5 The capping mechanism includes a fixed block 23, a micro cylinder 24, a push rod 25 and a pressing plate 26. The fixed block 23 is fixedly mounted on the fixed plate 4, the micro cylinder 24 is fixedly mounted on the fixed block 23, the upper end of the push rod 25 is connected to the micro cylinder 24, the lower part of the push rod 25 is provided with a bearing, the lower part of the push rod 25 is rotatably connected to the bearing, the pressing plate 26 is fixedly mounted on the lower end of the bearing, and the bearing is coaxial with the three-jaw chuck 2; when the cover 6 is screwed on, the micro cylinder 24 is opened, and the micro cylinder 24 lowers the pressing plate 26 through the push rod 25 until the pressing plate 26 contacts the upper end of the cover 6, so that the pressing plate 26 presses the cover 6 against the upper end of the pressure gauge case 5; it is convenient to press the cover 6 down. A dust cover is provided on the torque motor B19.

[0025] Example 2

[0026] On the basis of Example 1, a rubber sleeve is provided at the lower end of the pressing plate 26; through the above arrangement, the pressing plate 26 is prevented from crushing the watch cover 6, thereby improving reliability.

[0027] The three-jaw chuck 2, push rod 9, friction wheel 17, spring 16, torque motor B19, lead screw 20, micro cylinder 24 and pressure plate 26 of the pressure gauge clamping and capping device of the utility model are all purchased on the market. The technicians in this industry only need to install and operate them according to the accompanying instruction manual, without the need for the technicians in this field to make creative labor.

[0028] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A pressure gauge clamping and capping device, comprising a base plate (1), a three-jaw chuck (2), a bracket (3) and a fixing plate (4), wherein the fixing plate (4) is fixedly mounted on the base plate (1) through the bracket (3); characterized in that: It also comprises a capping mechanism, a capping mechanism and a lifting mechanism. The three-jaw chuck (2) is mounted on the base plate (1) via the lifting mechanism. The capping mechanism and the capping mechanism are both mounted on the fixed plate (4). The capping mechanism has a capping function, the capping mechanism has a capping function, and the lifting mechanism is used to lift the three-jaw chuck (2).

2. A pressure gauge clamping and capping device as claimed in claim 1, characterized in that: The lifting mechanism comprises an oil cylinder (7), a fixed column (8), a push rod (9), a sliding column (10) and a lifting plate (11); the oil cylinder (7) and the fixed column (8) are both fixedly mounted on a bottom plate (1); the lower end of the push rod (9) is connected to the output end of the oil cylinder (7); the lower part of the sliding column (10) is slidably mounted on the fixed column (8) up and down; the lifting plate (11) is fixedly mounted on the upper ends of the push rod (9) and the sliding column (10); and the three-jaw chuck (2) is fixedly mounted on the upper end of the lifting plate (11).

3. A pressure gauge clamping and capping device as claimed in claim 1, characterized in that: The capping mechanism comprises a moving mechanism, two sets of fixed frames (12), two sets of torque motors A (13), two sets of rotating shafts (14), two sets of transmission shafts (15), two sets of springs (16) and two sets of friction wheels (17). The two sets of fixed frames (12) are both mounted on the fixed plate (4) via the moving mechanism. The moving mechanism is used to move the two sets of fixed frames (12). The two sets of torque motors A (13) are respectively fixedly mounted on the two sets of fixed frames (12). The two sets of rotating shafts (14) are respectively rotatably mounted on the two sets of fixed frames. (12), the upper ends of the two sets of rotating shafts (14) are respectively connected to the two sets of torque motors A (13), the two sets of transmission shafts (15) are respectively slidably mounted on the two sets of rotating shafts (14), the lower ends of the two sets of springs (16) are respectively fixedly mounted on the two sets of transmission shafts (15), the upper ends of the two sets of springs (16) are respectively fixedly mounted on the two sets of rotating shafts (14), the two sets of friction wheels (17) are respectively fixedly mounted on the lower ends of the two sets of transmission shafts (15), and the two sets of torque motors A (13) are both provided with reducers.

4. A pressure gauge clamping and capping device as claimed in claim 3, characterized in that: The moving mechanism comprises a vertical plate (18), a torque motor B (19), a lead screw (20), two sets of sliding blocks (21) and a slide rail (22); the vertical plate (18) is fixedly mounted on the fixed plate (4); the torque motor B (19) is fixedly mounted on the vertical plate (18); the lead screw (20) is rotatably mounted on the vertical plate (18); the left and right parts of the lead screw (20) are respectively provided with external threads with opposite rotation directions; the right end of the lead screw (20) is connected to the torque motor B (19); the two sets of sliding blocks (21) are respectively screwed to the left and right parts of the lead screw (20); the two sets of sliding blocks (21) are both slidably mounted on the slide rail (22) on the left and right sides; the slide rail (22) is fixedly mounted on the fixed plate (4); and the two sets of fixed frames (12) are respectively fixedly mounted on the two sets of sliding blocks (21).

5. A pressure gauge clamping and capping device as claimed in claim 1, characterized in that: The capping mechanism comprises a fixed block (23), a micro cylinder (24), a push rod (25) and a pressing plate (26); the fixed block (23) is fixedly mounted on the fixed plate (4); the micro cylinder (24) is fixedly mounted on the fixed block (23); the upper end of the push rod (25) is connected to the micro cylinder (24); a bearing is provided at the lower part of the push rod (25); the lower part of the push rod (25) is rotatably connected to the bearing; the pressing plate (26) is fixedly mounted at the lower end of the bearing; and the bearing is coaxial with the three-jaw chuck (2).

6. A pressure gauge clamping and capping device as claimed in claim 5, characterized in that: The lower end of the pressing plate (26) is provided with a rubber sleeve.

7. A pressure gauge clamping and capping device as claimed in claim 4, characterized in that: The torque motor B (19) is provided with a dust cover.

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