A production system for pressure transmitter

Abstract

The present application relates to the technical field of pressure transmitters, and in particular to a production system for pressure transmitters, comprising a rotating table, an annular operating table being rotatably arranged on the outer side of the rotating table, a plurality of clamping screwdrivers for placing and screwing flanges being evenly arranged circumferentially on the annular operating table, a clamping positioner for clamping and fixing a pressure transmitter body being arranged directly above the clamping screwdriver, the clamping positioner being fixed on the annular operating table, and the clamping positioner being slidably arranged on the outer side wall of the rotating table; the present invention can be used for batch assembly of flange-type pressure transmitters of different specifications and sizes, and can realize automatic screwing of the flange, so that the pressure transmitter body can be automatically threadedly connected with the flange, and at the same time, it can be detected whether the pressure transmitter body and the flange are completely screwed, so as to prevent the problem of unqualified assembly of the flange-type pressure transmitter.

Description

Technical Field

[0001] The present application relates to the technical field of pressure transmitters, and in particular to a production system for pressure transmitters. Background Art

[0002] A pressure transmitter is a device that converts pressure into pneumatic or electric signals for control and remote transmission. It can convert physical pressure parameters such as gas and liquid sensed by the pressure measuring element sensor into standard electrical signals to supply secondary instruments such as indicator alarms, recorders, regulators, etc. for measurement, indication and process regulation.

[0003] Among them, flange pressure transmitters can accurately measure the liquid level and density of various containers and tanks. There are two types: flat flange and insert flange. They are suitable for measuring high-viscosity media or suspended liquids and are widely used in petroleum, chemical, metallurgy, electric power, food, papermaking, medicine, machinery manufacturing and other industries.

[0004] The assembly of various components of the pressure transmitter is done through threaded connections. The problem with threaded connections is that threading is time-consuming and labor-intensive, and is not suitable for mass production and assembly in factories. In addition, pressure transmitters come in a variety of specifications and shapes, which results in different assembly methods and screwing angles for pressure transmitters of different specifications and shapes. Therefore, many pressure transmitter factories generally have workers perform assembly during the production and assembly process. However, the problem with manual assembly is that it is inefficient, which affects the production of pressure transmitters.

[0005] Secondly, whether the threaded connection of the pressure transmitter is tightened during spiral screw assembly cannot be effectively guaranteed, especially since there is uncertainty in manual assembly, which leads to quality problems in the assembled pressure transmitter. Summary of the invention

[0006] In the first aspect, the present application provides a pressure transmitter production system, which adopts the following technical solution:

[0007] A production system for a pressure transmitter comprises a rotating table, an annular operating table is rotatably arranged outside the rotating table, a plurality of clamping screwing devices for placing and screwing flanges are evenly arranged circumferentially on the annular operating table, a clamping positioner for clamping and fixing a pressure transmitter body is arranged directly above the clamping screwer, the clamping positioner is fixed on the annular operating table, and the clamping fixer is slidably arranged on the outer side wall of the rotating table;

[0008] The clamping positioner includes an arc-shaped base support rotatably arranged on the outer side wall of the rotating table, and both ends of the arc-shaped base support are fixed on the annular operating table through extension sections. The arc-shaped base support is away from the rotating table and is slidably arranged in the vertical direction with a positioning frame having a hollow shell structure, and a clamping displacement component for clamping the pressure transmitter body is arranged in the positioning frame.

[0009] Preferably, the clamping and shifting component comprises an arc-shaped base arranged in the positioning frame, and an arc-shaped clamp is rotatably arranged in the arc-shaped base, a clamping frame is arranged in the positioning frame, and the clamping frame is slidably arranged in the arc-shaped clamp up and down, a limited quantitative frame is arranged in the positioning frame and above the arc-shaped clamp, and the upper end of the clamping frame is slidably arranged in the limited quantitative frame;

[0010] Two symmetrically distributed device supports are detachably arranged inside the clamping frame, and the concave surfaces of the two device supports are relatively distributed. A rectangular opening is opened at the bottom of the clamping frame to facilitate the movement of the external thread section of the pressure transmitter body. The placement cavity formed by the rectangular opening and the two device supports is used to clamp and place the pressure transmitter body, and the external thread section at the bottom of the pressure transmitter body passes through the rectangular opening to the bottom of the positioning frame.

[0011] Preferably, guide bars are provided on both sides of the positioning frame and above the arc-shaped base, the position-limiting quantitative frame is located between the guide bars, and the position-limiting quantitative frame is slidably arranged on the guide bars along the vertical direction of the guide bars, and the top of the position-limiting quantitative frame is rotatably connected with a travel screw, and the upper end of the travel screw passes through the top of the positioning frame and is threadedly connected with the positioning frame;

[0012] The arc-shaped surfaces opposite to the arc-shaped base and the arc-shaped clamp are both provided with rough surfaces for increasing friction.

[0013] Preferably, a lower pressure plate is arranged in the limit quantitative frame and above the clamping frame, and a lower pressure slide groove is provided on the side of the limit quantitative frame close to the rotating table for facilitating the lower pressure plate to slide up and down, a turntable is rotatably arranged on the top of the clamping frame, and the turntable is coaxial with the arc-shaped base, and a plurality of compression springs are connected between the turntable and the lower pressure plate;

[0014] The lower pressing plate is connected to a guide rod on one side close to the rotating table, the arc-shaped bottom bracket and the positioning frame are both provided with guide grooves for facilitating the upward and downward sliding of the guide rod, the outer side wall of the rotating table is provided with a tightening annular groove for facilitating the upward and downward sliding of the guide rod, and the guide rod passes through the guide groove and is slidably arranged in the tightening annular groove;

[0015] A guide rod is connected to one side of the positioning frame close to the rotating table, and the guide rod passes through the guide groove provided on the arc-shaped bottom bracket and then is slidably disposed in the docking annular groove provided on the outer side wall of the rotating table;

[0016] A limit strip is arranged on the outer side wall of the lower end of the clamping frame.

[0017] Preferably, the tightening annular groove includes two tightening arc grooves located at different heights, namely a tightening first arc groove and a tightening second arc groove, and a tightening slope is formed at the connection of the two arc grooves, namely a tightening first slope and a tightening second slope, and the tightening annular groove forms a closed loop along the tightening first arc groove, the tightening first slope, the tightening second arc groove and the tightening second slope. Similarly, the docking annular groove forms a closed loop along the docking first arc groove, the docking first slope, the docking second arc groove and the docking second slope.

[0018] Preferably, a limit clamp is slidably provided at the rectangular opening, the limit clamp is connected to a connecting frame at one end facing the rotating table, and the connecting frame is slidably provided at the bottom of the clamping frame, a return spring is connected between the end of the connecting frame facing the rotating table and the clamping frame, a correction clamp coaxial with the limit clamp is provided directly below the limit clamp, and the correction frame is fixed to the outer wall of the clamping frame through a supporting frame, and the limit clamp and the correction clamp are both composed of a semicircular ring and two extension strips;

[0019] The support frame is provided with an inclined driving plate, and the inclined section of the driving plate faces one side of the rotating table. The side of the driving plate away from the rotating table is slidably matched with the side of the clamping frame close to the rotating table. The connecting frame is provided with a strip hole that contacts and cooperates with the inclined section of the driving plate.

[0020] Preferably, the clamping screwdriver comprises an annular cylinder with an upper end opening and a hollow shell structure, the annular cylinder is rotatably arranged on an annular operating table, and an outer wall of the annular cylinder is provided with a screwing outer gear ring, an outer wall of the rotating table is provided with an incomplete outer gear ring, and the screwing outer gear ring is meshedly connected with the incomplete outer gear ring;

[0021] A guide ring is detachably mounted on the inner wall of the annular cylinder, and a guide slope is provided on the upper end of the guide ring to facilitate the flange to move into the annular cylinder;

[0022] Two adjustment grooves are provided at the bottom of the annular cylinder, an adjustment panel is slidably arranged in the adjustment groove, and a limit unit for limiting the flange mounting hole is arranged on the adjustment panel, a rotating ring is rotatably installed at the bottom of the annular cylinder, one end of the adjustment panel is connected to an L-shaped panel, and the L-shaped panels are connected through a plane thread through the rotating ring.

[0023] Preferably, the limit unit comprises a through circular hole provided in the middle of the adjustment panel, a limit column coaxial with the through circular hole is provided in the through circular hole, and the limit column is fixed on the side wall of the through circular hole through a plurality of connecting blocks, a plurality of oblique grooves extending from the center to the outside are provided on the outer side wall of the limit column, a plurality of abutment blocks corresponding to the positions of the oblique grooves are slidably provided on the outer side wall of the limit column, and a matching inclined surface matching with the oblique groove is provided on the side of the abutment block facing the oblique groove;

[0024] An expansion arc plate is provided on the side of the resistance block away from the limit column, and two support slide bars distributed up and down are connected to the side of the expansion arc plate facing the inclined groove, and the support slide bar slides through the limit column and slides with the support slide bar on the other side of the limit column, and the two are connected by a return spring, and a square hole is opened on the resistance block to facilitate the movement of the support slide bar;

[0025] The top of the limiting column is provided with a guiding truncated platform for facilitating the flange mounting hole to be smoothly inserted into the limiting column.

[0026] Preferably, the adjustment panel is provided with an expansion assembly for controlling the expansion of the expansion arc plate, the expansion assembly comprises a support plate arranged below the adjustment panel, the support plate is provided with a resistance groove for facilitating the sliding of the resistance block, and a lifting spring is connected between the adjustment panel and the support plate;

[0027] An expansion control plate is arranged under the support plate, and a plurality of vertically distributed control rods are installed on the expansion control plate, and the upper ends of the control rods pass through the support plate and the adjustment panel in sequence, and an expansion screw is rotatably connected to the bottom of the support plate, and the lower end of the expansion screw passes through the expansion control plate and is threadedly connected to the expansion control plate.

[0028] In summary, the present application includes at least one of the following beneficial technical effects:

[0029] 1. The present invention can be used for batch assembly of flange-type pressure transmitters of different sizes, and can realize automatic screwing of the flange, so that the pressure transmitter body can be automatically threadedly connected with the flange, and at the same time detect whether the pressure transmitter body and the flange are completely screwed, thereby preventing the problem of unqualified assembly of the flange-type pressure transmitter.

[0030] 2. The present invention adjusts the height of the limit quantitative frame by rotating the stroke screw, thereby changing the distance between the lower surface of the limit quantitative frame and the top surface of the clamping frame, ensuring that after the internal thread section of the flange and the external thread section of the pressure transmitter body are tightened, the upper end of the clamping frame is just moved out of the limit quantitative frame, so as to accurately judge whether the flange between the pressure transmitter body is tightened.

[0031] 3. The present invention can adjust the distance between the upper end of the control rod and the bottom wall of the annular cylinder by twisting the expansion screw to deal with different aperture sizes of flange mounting holes, thereby changing the downward movement stroke of the resistance block, and then changing the movement stroke of the expansion arc plate away from the limit column. Therefore, it is possible to limit flange mounting holes of different aperture sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a structural schematic diagram of the present invention.

[0033] Figure 2 The present invention Figure 1 A partial enlarged view of point A.

[0034] Figure 3 It is a cross-sectional view of the clamping positioner of the present invention.

[0035] Figure 4 It is a bottom sectional view of the clamping positioner of the present invention.

[0036] Figure 5 The present invention Figure 4 A partial enlarged view of point B.

[0037] Figure 6 It is a first structural schematic diagram between the tightening annular groove and the docking annular groove of the present invention.

[0038] Figure 7 It is a second structural schematic diagram between the tightening annular groove and the docking annular groove of the present invention.

[0039] Figure 8 It is a first structural schematic diagram of the clamping screwdriver of the present invention.

[0040] Fig. 9 It is a second structural schematic diagram of the clamping screwdriver of the present invention.

[0041] Fig.10 It is a structural schematic diagram of the limiting unit of the present invention.

[0042] Fig.11 It is a schematic diagram of the structure between the limiting column and the abutment block of the present invention.

[0043] Description of reference numerals: 100, pressure transmitter body; 110, external thread section; 200, flange; 210, internal thread section; 220, mounting hole; 1, rotating table; 11, tightening annular groove; 111, tightening first arc groove; 112, tightening first slope; 113, tightening second arc groove; 114, tightening second slope; 12, docking annular groove; 121, docking first arc groove; 122, docking first slope; 123, docking second arc groove; 12 4. Docking the second slope; 2. Annular operating table; 3. Clamping screwdriver; 31. Annular cylinder; 32. Screwing outer gear ring; 33. Incomplete outer gear ring; 34. Guide ring; 341. Guide slope; 35. Adjustment groove; 36. Adjustment panel; 37. Limiting unit; 371. Through hole; 372. Limiting column; 3721. Guide round table; 373. Inclined groove; 374. Resistance block; 375. Matching slope; 376. Expanding arc plate; 377. Support slide bar; 3 78, square hole; 379, expansion assembly; 3791, support plate; 3792, resistance groove; 3793, lifting spring; 3794, expansion control plate; 3795, control rod; 3796, expansion screw; 38, rotating ring; 39, L-shaped panel; 4, clamping positioner; 5, arc-shaped base; 6, extension section; 7, positioning frame; 71, guide rod; 72, guide groove; 8, clamping displacement component; 81, arc-shaped base; 82, arc-shaped clamp; 83, clamping frame; 831. Device support; 832. Rectangular opening; 833. Placement cavity; 834. Limiting strip; 84. Limiting quantitative frame; 841. Lower pressure plate; 842. Lower pressure slide groove; 843. Turntable; 844. Compression spring; 845. Guide rod; 846. Guide groove; 85. Guide strip; 86. Travel screw; 871. Limiting clamp; 872. Connecting frame; 873. Return spring; 874. Correction clamp; 875. Support frame; 876. Drive plate; 877. Strip hole. DETAILED DESCRIPTION

[0044] The following is combined with Figure 1-11 This application is described in further detail.

[0045] Embodiment 1:

[0046] The present application embodiment discloses a production system for a pressure transmitter, see Figure 1 , including a rotating table 1, an annular operating table 2 is rotatably arranged on the outer side of the rotating table 1, and a plurality of clamping screws 3 for placing and screwing the flange 200 are evenly arranged circumferentially on the annular operating table 2, and a clamping positioner 4 for clamping and fixing the pressure transmitter body 100 is arranged directly above the clamping screwer 3, the clamping positioner 4 is fixed on the annular operating table 2, and the clamping fixture is slidably arranged on the outer side wall of the rotating table 1.

[0047] In the specific implementation process, the present invention clamps the pressure transmitter body 100 on the clamping positioner 4, and places the flange 200 on the clamping screwdriver 3 to ensure that the pressure transmitter body 100 is located above the flange 200, and then the annular operating table 2 rotates around the rotating table 1 under the drive of the external drive, and the clamping positioner 4 drives the pressure transmitter body 100 to rotate synchronously with the annular operating table 2, and then the clamping screwdriver 3 drives the flange 200 to rotate, so that the flange 200 can be screwed into the bottom of the pressure transmitter body 100, thereby realizing the assembly of the flange-type pressure transmitter.

[0048] Among them, see Figure 2-3 The clamping positioner 4 includes an arc-shaped base 5 rotatably arranged on the outer wall of the rotating table 1, and both ends of the arc-shaped base 5 are fixed on the annular operating table 2 through extension sections 6. The arc-shaped base 5 is away from the rotating table 1 and is slidably arranged with a positioning frame 7 with a hollow shell structure in the vertical direction. A clamping displacement component 8 for clamping the pressure transmitter body 100 is arranged in the positioning frame 7.

[0049] During the specific implementation process, the pressure transmitter body 100 is clamped by the clamping and shifting component 8 and maintained in a vertical state; secondly, the arc-shaped base 5 can be rotated synchronously with the annular operating table 2 through the extension section 6 to ensure that the clamping screwdriver 3 and the clamping and shifting component 8 rotate synchronously. At the same time, during the rotation process, the positioning frame 7 can move vertically downward so that the flange 200 can be screwed with the pressure transmitter body 100, so as to achieve a threaded connection and fixation between the pressure transmitter body 100 and the flange 200.

[0050] The clamping and shifting component 8 includes an arc base 81 arranged in the positioning frame 7, and an arc clamp 82 is rotatably arranged in the arc base 81, a clamping frame 83 is arranged in the positioning frame 7, and the clamping frame 83 is slidably arranged in the arc clamp 82 up and down, a limited quantitative frame 84 is arranged in the positioning frame 7 and above the arc clamp 82, and the upper end of the clamping frame 83 is slidably arranged in the limited quantitative frame 84.

[0051] In the specific implementation process, the present invention limits the rotation of the clamping frame 83 through the limit quantitative frame 84, so as to avoid the synchronous rotation of the pressure transmitter body 100 when the pressure transmitter body 100 and the flange 200 are screwed together, thereby affecting the assembly of the flange-type pressure transmitter. When the external thread section 110 at the bottom of the pressure transmitter body 100 is screwed into the internal thread section 210 at the top of the flange 200, the top of the clamping frame 83 is separated from the limit quantitative frame 84, so that the flange 200 can drive the clamping frame 83 to rotate after being screwed with the pressure transmitter body 100. At this time, the clamping frame 83 rotates on the arc base 81 through the arc clamp 82.

[0052] It should be noted that the arc surfaces relative to the arc base 81 and the arc clamp 82 are both provided with rough surfaces for increasing friction (not shown in the figure), so that when the flange 200 drives the pressure transmitter body 100 to rotate, the rough surface between the arc base 81 and the arc clamp 82 further ensures that the internal thread section 210 of the flange 200 and the external thread section 110 of the pressure transmitter body 100 are tightened.

[0053] Two symmetrically distributed support devices 831 are detachably arranged inside the clamping frame 83, and the concave surfaces of the two support devices 831 are relatively distributed. A rectangular opening 832 is opened at the bottom of the clamping frame 83 to facilitate the movement of the external thread segment 110 of the pressure transmitter body 100, and the ends on both sides of the rectangular opening 832 can support the pressure transmitter body 100. The placement cavity 833 formed by the rectangular opening 832 and the two support devices 831 is used to clamp and place the pressure transmitter body 100, and the external thread segment 110 at the bottom of the pressure transmitter body 100 passes through the rectangular opening 832 to the bottom of the positioning frame 7.

[0054] In the specific implementation process, an appropriate support 831 is selected according to the size of the pressure transmitter body 100, and then installed in the clamping frame 83 to clamp the pressure transmitter body 100 in the placement cavity 833. Therefore, the present invention can be assembled for pressure transmitters of various different specifications.

[0055] The heights of pressure transmitter bodies 100 of different specifications are different, and the lengths of external thread sections 110 are different. Therefore, the distances between the lower surface of the limit quantitative frame 84 and the top surface of the clamping frame 83 are different for pressure transmitter bodies 100 of different specifications. Therefore, guide bars 85 are provided on both sides of the positioning frame 7 of the present invention and located above the arc base 81. The limit quantitative frame 84 is located between the guide bars 85, and the limit quantitative frame 84 is slidably set on the guide bars 85 along the vertical direction of the guide bars 85. The top of the limit quantitative frame 84 is rotatably connected to a travel screw 86, and the upper end of the travel screw 86 passes through the top of the positioning frame 7 and is threadedly connected to the positioning frame 7.

[0056] During the specific implementation process, the position of the limit quantitative frame 84 is adjusted by rotating the travel screw 86, thereby changing the distance between the lower surface of the limit quantitative frame 84 and the top surface of the clamping frame 83, ensuring that the upper end of the clamping frame 83 is just moved out of the limit quantitative frame 84 after the internal threaded section 210 of the flange 200 and the external threaded section 110 of the pressure transmitter body 100 are tightened, so that the flange 200 can smoothly drive the pressure transmitter body 100 to rotate, avoiding that the upper end of the clamping frame 83 does not move out of the limit quantitative frame 84 after the internal threaded section 210 of the flange 200 and the external threaded section 110 of the pressure transmitter body 100 are tightened, thereby causing damage to the components of the present invention and damage to the pressure transmitter assembly.

[0057] See also Figure 3-4A lower pressure plate 841 is arranged in the limit quantitative frame 84 and above the clamping frame 83. A lower pressure slide groove 842 is provided on the side of the limit quantitative frame 84 close to the rotating table 1 to facilitate the lower pressure plate 841 to slide up and down. A turntable 843 is rotatably arranged on the top of the clamping frame 83, and the turntable 843 is coaxial with the arc base 81. A plurality of compression springs 844 are connected between the turntable 843 and the lower pressure plate 841.

[0058] A limit bar 834 is disposed on the outer side wall of the lower end of the clamping frame 83 , and the limit bar 834 can limit the upward movement of the clamping frame 83 .

[0059] During the specific implementation process, the clamping frame 83 is moved upward by pulling the compression spring 844 until the limit bar 834 at the lower end of the clamping frame 83 contacts the bottom of the arc clamp 82. At this time, the distance between the bottom surface of the limit quantitative frame 84 and the top surface of the clamping frame 83 is the stroke length of the external thread section 110 of the pressure transmitter body 100.

[0060] The lower pressing plate 841 is connected to a guide rod 845 on the side close to the rotating table 1. The arc-shaped bottom bracket 5 and the positioning frame 7 are provided with a guide groove 846 for facilitating the upward and downward sliding of the guide rod 845. The outer wall of the rotating table 1 is provided with a tightening annular groove 11 (at Figure 6 ), the guide rod 845 passes through the guide groove 846 and is slidably arranged in the tightening annular groove 11.

[0061] During the specific implementation process, when the positioning frame 7 rotates with the annular operating table 2, the guide rod 845 will also rotate along the tightening annular groove 11. By tightening the annular groove 11, the guide rod 845 can be driven downward, and then the lower pressure plate 841 drives the clamping frame 83 to move downward through the compression spring 844, so that the external thread section 110 of the pressure transmitter body 100 in the clamping frame 83 can be smoothly screwed into the internal thread section 210 of the flange 200; and, when the clamping frame 83 moves out of the limit quantitative frame 84, the flange 200 will drive the pressure transmitter body 100 to rotate, and at this time, rotation occurs between the turntable 843 and the clamping frame 83.

[0062] A guide rod 71 is connected to the side of the positioning frame 7 close to the rotating table 1, and the guide rod 71 passes through the guide groove 72 provided on the arc-shaped bottom bracket 5 and then slides into the docking annular groove 12 (at the outer wall of the rotating table 1) provided on the outer wall of the rotating table 1. Figure 6 (shown in).

[0063] In the specific implementation process, before tightening the annular groove 11 to drive the clamping frame 83 to move downward, the guide rod 71 is driven downward by docking the annular groove 12, so that the positioning frame 7 moves downward until the internal thread section 210 of the flange 200 and the external thread section 110 of the pressure transmitter body 100 are aligned, thereby driving the clamping frame 83 to move downward by tightening the annular groove 11 to achieve the screwing of the internal thread section 210 of the flange 200 and the external thread section 110 of the pressure transmitter body 100.

[0064] Among them, see Figure 6-7 The tightening annular groove 11 includes two tightening arc grooves located at different heights, namely, a tightening first arc groove 111 and a tightening second arc groove 113, and a tightening slope is formed at the connection of the two arc grooves, namely, a tightening first slope 112 and a tightening second slope 114. The tightening annular groove 11 forms a closed loop along the tightening first arc groove 111, the tightening first slope 112, the tightening second arc groove 113 and the tightening second slope 114. Similarly, the docking annular groove 12 forms a closed loop along the docking first arc groove 121, the docking first slope 122, the docking second arc groove 123 and the docking second slope 124.

[0065] In the specific implementation process, when the guide rod 845 and the guide rod 71 slide in the tightening first arc groove 111 and the docking first arc groove 121 respectively, the pressure transmitter body 100 is placed in the clamping frame 83, and the flange 200 is placed on the clamping screw 3. Then, as the annular operating table 2 rotates, the guide rod 71 first moves toward the docking second arc groove 123 through the docking first slope 122, so that the positioning frame 7 moves downward to drive the external thread of the pressure transmitter body 100 The segment 110 is docked with the internal thread segment 210 of the flange 200, and then the guide rod 845 moves toward the tightening second arc groove 113 by tightening the first slope 112, so that after the external thread segment 110 of the force transmitter body is docked with the internal thread segment 210 of the flange 200, the external thread segment 110 of the pressure transmitter body 100 can be screwed into the internal thread segment 210 of the flange 200. At this time, the guide rod 71 and the guide rod 845 are respectively in the docking second arc groove 123 and the tightening second arc groove 113.

[0066] When the external thread section 110 of the pressure transmitter body 100 is screwed into the internal thread section 210 of the flange 200, the guide rod 71 moves to the first arc groove 121 by docking with the second slope 124, and the guide rod 845 moves to the first arc groove 111 by tightening the second slope 114. At this time, the flange 200 can be taken out of the clamping screw 3 through the pressure transmitter body 100, which is convenient for the subsequent removal of the assembled flange pressure transmitter.

[0067] Replay Figure 4-5A limit clamp 871 is slidably provided at the rectangular opening 832, and a connecting frame 872 is connected to the end of the limit clamp 871 facing the rotating table 1, and the connecting frame 872 is slidably provided at the bottom of the clamping frame 83, and a return spring 873 is connected between the end of the connecting frame 872 facing the rotating table 1 and the clamping frame 83, and a correction clamp 874 coaxial with the limit clamp 871 is provided directly below the limit clamp 871, and the correction frame is fixed to the outer wall of the clamping frame 83 through a supporting frame 875, and the limit clamp 871 and the correction clamp 874 are both composed of a semicircular ring and two extension strips.

[0068] An inclined driving plate 876 is provided on the support frame 875, and the inclined section of the driving plate 876 faces the side of the turntable 1. The side of the driving plate 876 facing away from the turntable 1 is slidably matched with the side of the clamping frame 83 close to the turntable 1, and a strip hole 877 is opened on the connecting frame 872 to interfere with the inclined section of the driving plate 876.

[0069] In the specific implementation process, the present invention ensures that the pressure transmitter body 100 can maintain a vertical state when clamped in the clamping frame 83 through the limit clamp 871 and the correction clamp 874, so that the pressure transmitter body 100 and the flange 200 can be smoothly threadedly connected; however, since the gap between the pressure transmitter body 100 and the flange 200 after the threaded connection is small, in order to ensure that the pressure transmitter body 100 and the flange 200 are smoothly threadedly connected and tightened, during the downward movement and screwing of the pressure transmitter body 100, the connecting frame 872 of the present invention contacts and cooperates with the inclined section of the driving plate 876 through the strip hole 877, thereby driving the limit clamp 871 to move toward one side of the rotating table 1 until the correction clamp 874 moves to the position where the limit clamp 871 was originally set. At this time, the pressure transmitter body 100 and the flange 200 are screwed and tightened. It should be noted that a step is provided on the support frame 875 for facilitating the placement of the limit clamp 871.

[0070] Embodiment 2:

[0071] See also Figure 7-9 The clamping screwdriver 3 comprises an annular cylinder 31 with an upper opening and a hollow shell structure, the annular cylinder 31 is rotatably arranged on the annular operating table 2, and an outer wall of the annular cylinder 31 is provided with a screwing outer gear ring 32, and an outer wall of the rotating table 1 is provided with an incomplete outer gear ring 33, and the screwing outer gear ring 32 is meshedly connected with the incomplete outer gear ring 33;

[0072] When the outer gear ring 32 is screwed and does not mesh with the incomplete outer gear ring 33, the guide rod 845 and the guide rod 71 slide in the tightening first arc groove 111 and the docking first arc groove 121 respectively, and then the pressure transmitter body 100 and the flange 200 are clamped on the clamping positioner 4 and the clamping screw 3 respectively. When the guide rod 845 approaches the tightening first slope 112, the outer gear ring 32 is screwed and meshed with the incomplete outer gear ring 33. At this time, the annular tube 31 drives The flange 200 rotates, and then when the guide rod 845 and the guide rod 71 are respectively placed in the tightening second arc groove 113 and the docking second arc groove 123, the pressure transmitter body 100 and the flange 200 are threadedly connected until the threaded connection is completed. At this time, the outer gear ring 32 is screwed out of engagement with the incomplete outer gear ring 33, and the guide rod 845 and the guide rod 71 are respectively returned to the tightening first arc groove 111 and the docking first arc groove 121.

[0073] A guide ring 34 is detachably mounted on the inner wall of the annular cylinder 31 , and a guide slope 341 is provided on the upper end of the guide ring 34 to facilitate the flange 200 to move into the annular cylinder 31 ;

[0074] Two adjustment grooves 35 are provided at the bottom of the annular cylinder 31. An adjustment panel 36 is slidably arranged in the adjustment groove 35. A limiting unit 37 for limiting the mounting hole 220 of the flange 200 is provided on the adjustment panel 36.

[0075] During the specific implementation process, when the flange 200 is placed into the annular cylinder 31, the flange 200 is driven to move to the bottom of the annular cylinder 31 by the guiding bevel 341 at the upper end of the guide ring 34, and then when the annular operating table 2 is rotated to screw the outer gear ring 32 to engage with the incomplete outer gear ring 33, the annular cylinder 31 rotates so that the limiting unit 37 can be inserted into the mounting hole 220 of the flange 200, so as to further limit the position of the flange 200, until the internal thread section 210 of the flange 200 is coaxial with the external thread section 110 of the pressure transmitter body 100, thereby ensuring that the internal thread section 210 of the flange 200 and the external thread section 110 of the pressure transmitter body 100 are smoothly screwed.

[0076] A rotating ring 38 is rotatably mounted on the bottom of the annular cylinder 31 , and an L-shaped panel 39 is connected to one end of the adjustment panel 36 , and the L-shaped panel 39 is connected through the rotating ring 38 via a plane thread.

[0077] In the specific implementation process, flange pressure transmitters of different specifications have flanges 200 of different sizes. Therefore, the present invention drives the L-shaped panel 39 to drive the adjustment panel 36 to move by rotating the rotating ring 38, thereby changing the distance from the limit unit 37 to the center of the annular cylinder 31, ensuring that the limit unit 37 can still limit the flange 200 when the present invention is used for flanges 200 of different specifications.

[0078] See also Figure 10-11 The limiting unit 37 includes a through circular hole 371 provided in the middle of the adjustment panel 36, a limiting column 372 coaxial with the through circular hole 371 is provided in the through circular hole 371, and the limiting column 372 is fixed to the side wall of the through circular hole 371 through a plurality of connecting blocks, a plurality of oblique grooves 373 extending from the center to the outside are provided on the outer wall of the limiting column 372, a plurality of abutting blocks 374 corresponding to the positions of the oblique grooves 373 are slidably provided on the outer wall of the limiting column 372, and a matching inclined surface 375 matching the oblique groove 373 is provided on the side of the abutting block 374 facing the oblique groove 373;

[0079] An expansion arc plate 376 is provided on the side of the resistance block 374 away from the limiting column 372, and two support slide bars 377 distributed up and down are connected to the side of the expansion arc plate 376 facing the inclined groove 373. The support slide bar 377 slides through the limiting column 372 and slides with the support slide bar 377 on the other side of the limiting column 372, and the two are connected by a return spring (not shown in the figure). A square hole 378 is opened on the resistance block 374 to facilitate the movement of the support slide bar 377.

[0080] A guiding truncated platform 3721 is disposed on the top of the limiting column 372 to facilitate the installation hole 220 of the flange 200 to be smoothly inserted into the limiting column 372 .

[0081] In the specific implementation process, the mounting hole 220 on the flange 200 is smoothly inserted into the limiting column 372 by guiding the truncated cone 3721. When the mounting hole 220 of the flange 200 enters the expansion arc plate 376, the abutment block 374 begins to move downward and abuts with the inclined groove 373 of the limiting column 372 through the matching inclined surface 375, thereby driving the expansion arc plate 376 to move in the direction away from the limiting column 372 until the expansion arc plate 376 abuts against the inner wall of the mounting hole 220 of the flange 200 to ensure that the limiting column 372 is coaxial with the mounting hole 220, thereby ensuring that the internal thread section 210 of the flange 200 is coaxial with the external thread section 110 of the pressure transmitter body 100. At this time, the flange 200 is placed on the inner lower wall of the annular cylinder 31, and the return spring between the two sliding support slides 377 is in a stretched state.

[0082] In order to ensure that the expansion arc plate 376 expands smoothly so that the axis of the limit column 372 coincides with the axis of the mounting hole 220 on the flange 200, the present invention is provided with an expansion component 379 for controlling the expansion of the expansion arc plate 376 on the adjustment panel 36. The expansion component 379 includes a support plate 3791 provided below the adjustment panel 36. The support plate 3791 is provided with a resistance groove 3792 for facilitating the sliding of the resistance block 374. A lifting spring 3793 is connected between the adjustment panel 36 and the support plate 3791.

[0083] An expansion control plate 3794 is provided below the support plate 3791, and a plurality of vertically distributed control rods 3795 are installed on the expansion control plate 3794, and the upper ends of the control rods 3795 pass through the support plate 3791 and the adjustment panel 36 in sequence, and an expansion screw 3796 is rotatably connected to the bottom of the support plate 3791, and the lower end of the expansion screw 3796 passes through the expansion control plate 3794 and is threadedly connected to the expansion control plate 3794.

[0084] During the specific implementation process, after the mounting hole 220 of the flange 200 is inserted into the limiting column 372, when the bottom of the flange 200 contacts the top of the control rod 3795 and pushes the control rod 3795 downward, the support plate 3791 is driven to drive the resistance block 374 downward, and at this time, the matching inclined surface 375 of the resistance block 374 begins to resist and cooperate with the inclined groove 373 of the limiting column 372, so as to drive the expansion arc plate 376 to move away from the limiting column 372, until the expansion arc plate 376 is resisted against the inner side wall of the mounting hole 220 of the flange 200, and at this time the flange 200 is just placed on the inner bottom wall of the annular cylinder 31, thereby ensuring that the internal thread section 210 of the flange 200 is coaxial with the external thread section 110 of the pressure transmitter body 100.

[0085] When the flange pressure transmitter is assembled, the flange 200 is moved out of the annular cylinder 31 , and the abutment block 374 is moved up to the initial position under the action of the lifting spring 3793 , and the control rod 3795 is also moved up to the initial position synchronously.

[0086] The present invention can adjust the distance between the upper end of the control rod 3795 and the inner bottom wall of the annular cylinder 31 by screwing the expansion screw 3796 to deal with different aperture sizes of the flange plate 200 mounting hole 220, thereby changing the downward movement stroke of the resistance block 374, and then changing the movement stroke of the expansion arc plate 376 away from the limit column 372, thereby achieving limitation of the flange plate 200 mounting holes 220 with different aperture sizes.

[0087] The implementation principle of the present invention is:

[0088] (1): When the outer gear ring 32 is screwed and does not mesh with the incomplete outer gear ring 33, the guide rod 845 and the guide rod 71 are respectively placed in the tightening first arc groove 111 and the docking first arc groove 121, the flange 200 is placed in the annular cylinder 31, and the pressure transmitter body 100 is placed in the placement cavity 833 in the clamping frame 83;

[0089] (2): As the annular operating table 2 rotates, the outer gear ring 32 is screwed to start meshing with the incomplete outer gear ring 33 to ensure that the limit unit 37 can effectively limit the flange 200 and make the internal thread section 210 of the flange 200 coaxial with the external thread section 110 of the pressure transmitter body 100. At this time, the guide rod 845 and the guide rod 71 are still respectively placed in the tightening first arc groove 111 and the docking first arc groove 121;

[0090] (3): When the guide rod 845 moves to the tightening first slope 112 and the guide rod 71 moves to the docking first slope 122, the positioning frame 7 moves downward until the external thread section 110 of the pressure transmitter body 100 is accurately docked with the internal thread section 210 of the flange 200. At this time, the guide rod 845 and the guide rod 71 are still respectively placed in the tightening second arc groove 113 and the docking second arc groove 123;

[0091] (4): Next, the flange 200 is rotated synchronously by rotating the annular cylinder 31, so that the external thread section 110 of the pressure transmitter body 100 can be screwed into the internal thread section 210 of the flange 200. When the external thread section 110 of the pressure transmitter body 100 is completely screwed into the internal thread section 210 of the flange 200, the clamping frame 83 is separated from the limit quantitative frame 84 and the pressure transmitter body 100 is rotated synchronously with the flange 200 until the screwed external gear ring 32 is no longer engaged with the incomplete external gear ring 33, indicating that the flange-type pressure transmitter is assembled properly;

[0092] (5): If the external thread section 110 of the pressure transmitter body 100 is not completely screwed into the internal thread section 210 of the flange 200, the clamping frame 83 cannot be separated from the limit quantitative frame 84. At this time, the pressure transmitter body 100 will not rotate synchronously with the flange 200 until the external gear ring 32 is no longer engaged with the incomplete external gear ring 33, indicating that the flange type pressure transmitter is unqualified in assembly;

[0093] (6): Afterwards, after the guide rod 845 and the guide rod 71 are respectively moved to the first arc groove 111 for tightening and the first arc groove 121 for docking, the flange 200 can be separated from the annular tube 31, so that subsequent staff can take out the assembled flange pressure transmitter.

[0094] The embodiments of this specific implementation method are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A production system for a pressure transmitter, comprising a rotating table (1), characterized in that: An annular operating table (2) is rotatably arranged outside the rotating table (1), and a plurality of clamping screwdrivers (3) for placing and screwing the flange (200) are evenly arranged circumferentially on the annular operating table (2), and a clamping positioner (4) for clamping and fixing the pressure transmitter body (100) is arranged directly above the clamping screwdriver (3), and the clamping positioner (4) is fixed on the annular operating table (2), and the clamping positioner is slidably arranged on the outer wall of the rotating table (1); The clamping positioner (4) comprises an arc-shaped base (5) rotatably arranged on the outer wall of the rotating table (1), and both ends of the arc-shaped base (5) are fixed on the annular operating table (2) through extension sections (6); a positioning frame (7) with a hollow shell structure is arranged on the side of the arc-shaped base (5) away from the rotating table (1) and slidingly arranged in the vertical direction; a clamping displacement component (8) for clamping the pressure transmitter body (100) is arranged in the positioning frame (7); The clamping and displacement component (8) comprises an arc-shaped base (81) arranged in the positioning frame (7), and an arc-shaped clamp (82) is rotatably arranged in the arc-shaped base (81); a clamping frame (83) is arranged in the positioning frame (7), and the clamping frame (83) is slidably arranged in the arc-shaped clamp (82) up and down; a limited quantitative frame (84) is arranged in the positioning frame (7) and above the arc-shaped clamp (82), and the upper end of the clamping frame (83) is slidably arranged in the limited quantitative frame (84); The clamping frame (83) is provided with two symmetrically distributed device supports (831) in a detachable manner, and the concave surfaces of the two device supports (831) are relatively distributed. The bottom of the clamping frame (83) is provided with a rectangular opening (832) for facilitating the movement of the external thread section (110) of the pressure transmitter body (100). The placement cavity (833) formed by the rectangular opening (832) and the two device supports (831) is used to clamp and place the pressure transmitter body (100), and the external thread section (110) at the bottom of the pressure transmitter body (100) passes through the rectangular opening (832) to the bottom of the positioning frame (7); A lower pressure plate (841) is arranged inside the limit quantitative frame (84) and above the clamping frame (83); a lower pressure slide groove (842) is provided on the side of the limit quantitative frame (84) close to the rotating table (1) to facilitate the lower pressure plate (841) to slide up and down; a rotating disk (843) is rotatably arranged on the top of the clamping frame (83); the rotating disk (843) is coaxial with the arc-shaped base (81); and a plurality of compression springs (844) are connected between the rotating disk (843) and the lower pressure plate (841); The lower pressure plate (841) is connected to a guide rod (845) on one side close to the rotating table (1); the arc-shaped base support (5) and the positioning frame (7) are provided with guide grooves (846) for facilitating the guide rod (845) to slide up and down; the outer wall of the rotating table (1) is provided with a tightening annular groove (11) for facilitating the control of the guide rod (845) to slide up and down; the guide rod (845) passes through the guide groove (846) and is slidably arranged in the tightening annular groove (11); A guide rod (71) is connected to one side of the positioning frame (7) close to the rotating platform (1), and the guide rod (71) passes through a guide groove (72) provided on the arc-shaped base (5) and is then slidably disposed in a docking annular groove (12) provided on the outer side wall of the rotating platform (1); A limit strip (834) is provided on the outer side wall of the lower end of the clamping frame (83); The tightening annular groove (11) comprises two tightening arc grooves located at different heights, namely, a tightening first arc groove (111) and a tightening second arc groove (113), and a tightening slope is formed at the connection of the two arc grooves, namely, a tightening first slope (112) and a tightening second slope (114). The tightening annular groove (11) forms a closed loop along the tightening first arc groove (111), the tightening first slope (112), the tightening second arc groove (113) and the tightening second slope (114). Similarly, the docking annular groove (12) forms a closed loop along the docking first arc groove (121), the docking first slope (122), the docking second arc groove (123) and the docking second slope (124); The clamping screwdriver (3) comprises an annular cylinder (31) with an open upper end and a hollow shell structure, the annular cylinder (31) is rotatably arranged on the annular operating table (2), and an outer wall of the annular cylinder (31) is provided with an outer screwing gear ring (32), and an outer wall of the rotating table (1) is provided with an incomplete outer gear ring (33), and the outer screwing gear ring (32) is meshingly connected with the incomplete outer gear ring (33); A guide ring (34) is detachably mounted on the inner wall of the annular cylinder (31), and a guide slope (341) is provided on the upper end of the guide ring (34) to facilitate the flange (200) to move into the annular cylinder (31); The bottom of the annular cylinder (31) is provided with two adjustment grooves (35), an adjustment panel (36) is slidably arranged in the adjustment groove (35), and a limit unit (37) for limiting the mounting hole (220) of the flange (200) is arranged on the adjustment panel (36), a rotating ring (38) is rotatably installed at the bottom of the annular cylinder (31), one end of the adjustment panel (36) is connected to an L-shaped panel (39), and the L-shaped panels (39) are connected through the rotating ring (38) by a plane thread.

2. A pressure transmitter production system according to claim 1, characterized in that: Guide bars (85) are arranged on both sides of the positioning frame (7) and above the arc-shaped base (81); the position-limiting quantitative frame (84) is located between the guide bars (85), and the position-limiting quantitative frame (84) is slidably arranged on the guide bars (85) in the vertical direction of the guide bars (85); a travel screw (86) is rotatably connected to the top of the position-limiting quantitative frame (84); the upper end of the travel screw (86) passes through the top of the positioning frame (7) and is threadedly connected to the positioning frame (7); The arc-shaped surfaces facing each other of the arc-shaped base (81) and the arc-shaped clamp (82) are both provided with rough surfaces for increasing friction.

3. The production system of a pressure transmitter according to claim 1, characterized in that: A limit clamp (871) is slidably arranged at the rectangular opening (832); the limit clamp (871) is connected to a connecting frame (872) at one end facing the rotating table (1), and the connecting frame (872) is slidably arranged at the bottom of the clamping frame (83); a return spring (873) is connected between the end of the connecting frame (872) facing the rotating table (1) and the clamping frame (83); a correction clamp (874) coaxial with the limit clamp (871) is arranged directly below the limit clamp (871), and the correction frame is fixed to the outer wall of the clamping frame (83) through a supporting frame (875); the limit clamp (871) and the correction clamp (874) are both composed of a semicircular ring and two extension strips; The support frame (875) is provided with an inclined driving plate (876), and the inclined section of the driving plate (876) faces the side of the rotating table (1). The side of the driving plate (876) facing away from the rotating table (1) is slidably matched with the side of the clamping frame (83) close to the rotating table (1), and the connecting frame (872) is provided with a strip hole (877) that contacts and cooperates with the inclined section of the driving plate (876).

4. The production system of a pressure transmitter according to claim 1, characterized in that: The limiting unit (37) comprises a through circular hole (371) provided in the middle of the adjusting panel (36), a limiting column (372) coaxial with the through circular hole (371) is provided in the through circular hole (371), and the limiting column (372) is fixed on the side wall of the through circular hole (371) through a plurality of connecting blocks, a plurality of inclined grooves (373) extending outward from the center are provided on the outer wall of the limiting column (372), a plurality of abutting blocks (374) corresponding to the positions of the inclined grooves (373) are slidably provided on the outer wall of the limiting column (372), and a matching inclined surface (375) matching with the inclined groove (373) is provided on the side of the abutting block (374) facing the inclined groove (373); An expansion arc plate (376) is provided on the side of the resistance block (374) facing away from the limiting column (372), and two support slide bars (377) distributed up and down are connected to the side of the expansion arc plate (376) facing the inclined groove (373), and the support slide bar (377) slides through the limiting column (372) and slides with the support slide bar (377) on the other side of the limiting column (372), and the two are connected by a return spring, and a square hole (378) is opened on the resistance block (374) to facilitate the movement of the support slide bar (377); The top of the limiting column (372) is provided with a guiding truncated platform (3721) for facilitating the installation hole (220) of the flange (200) to be smoothly inserted into the limiting column (372).

5. A pressure transmitter production system according to claim 4, characterized in that: The adjusting panel (36) is provided with an expansion assembly (379) for controlling the expansion of the expansion arc plate (376), the expansion assembly (379) comprises a supporting plate (3791) arranged below the adjusting panel (36), the supporting plate (3791) is provided with a resistance groove (3792) for facilitating the sliding of the resistance block (374), and a lifting spring (3793) is connected between the adjusting panel (36) and the supporting plate (3791); An expansion control plate (3794) is provided below the support plate (3791), and a plurality of vertically distributed control rods (3795) are installed on the expansion control plate (3794), and the upper ends of the control rods (3795) pass through the support plate (3791) and the adjustment panel (36) in sequence, and an expansion screw (3796) is rotatably connected to the bottom of the support plate (3791), and the lower end of the expansion screw (3796) passes through the expansion control plate (3794) and is threadedly connected to the expansion control plate (3794).

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