Polishing device for underground rod type pump valve seat production

The grinding device, composed of a clamping assembly, a servo electric cylinder, and an infrared sensor, solves the problem of having to replace the grinding disc multiple times, achieving automated grinding and improving grinding efficiency and product quality.

CN223802295UActive Publication Date: 2026-01-16SICHUAN OILMAN MASCH CO LTD
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Patent Information

Application Number
CN202520129620.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2026-01-16
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

In the current production process of underground rod pump valve seats, the grinding device requires multiple replacements of the grinding disc or adjustment of parameters, resulting in high operational complexity and low efficiency.

Method used

The grinding device, consisting of a clamping assembly, a servo cylinder, a servo motor, and an infrared sensor, enables automatic replacement and adjustment of grinding discs with different grit sizes. The servo cylinder adjusts the grinding height and position, while the infrared sensor detects the surface condition, automatically switching grinding discs for continuous operation.

Benefits of technology

It reduces grinding disc replacement time, improves grinding production efficiency, simplifies operation procedures, and enhances grinding efficiency and product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a polishing device for underground rod type pump valve seat production, and relates to the technical field of polishing devices, the polishing device comprises a polishing box, a clamping assembly and a servo electric cylinder are installed in the polishing box, the output end of the servo electric cylinder is connected with a connecting cover, the connecting cover is connected with a rotating plate through a connecting assembly, and the rotating plate is connected with the clamping assembly. The output end of the first servo motor is connected with a rotating plate, the rotating plate is connected with a connecting plate through a moving assembly, the connecting plate is provided with a plurality of second servo motors, the output ends of the second servo motors are connected with a coarse grinding disc, a middle grinding disc and a fine grinding disc through replacing mechanisms respectively, and the connecting plate is provided with an infrared sensor. When the valve seat polishing device is used for polishing, the infrared sensor can detect the surface of the valve seat, so that the polishing discs with different mesh numbers are controlled to polish the valve seat, the polishing device can realize continuous operation, the time of production interruption caused by replacement of the polishing discs is shortened, and the polishing production efficiency can be improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a polishing device technical field, specifically is a kind of polishing device for underground rod type pump valve seat production. BACKGROUND

[0002] The underground rod type pump valve seat is a key component for installing and supporting the valve in the rod type pump, which usually works with valve stem, valve ball and other components to jointly control the in-out of fluid (liquid or gas). During the production process of the valve seat, due to the material and processing technology, there may be some irregular pits, burrs or rust marks and other defects on the surface of the valve seat. These defects not only affect the appearance quality of the valve seat, but more importantly, they reduce its sealing performance, leading to fluid leakage or inaccurate control. The polishing device needs to polish the surface of the valve seat accurately to remove these defects, making the surface of the valve seat smooth and flat, and meeting the specified size and accuracy requirements.

[0003] In related technology, when polishing the valve seat, a polishing disc is used for polishing, which may need to be replaced or adjusted multiple times during the polishing process to adapt to different polishing needs, and the polishing disc needs to be disassembled and replaced. This not only increases the complexity of operation, but also may lead to low polishing efficiency. Therefore, the underground rod type pump valve seat production polishing device is provided by the person skilled in the art to solve the problems raised in the above background technology. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of underground rod type pump valve seat production polishing device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions:

[0006] A kind of underground rod type pump valve seat production polishing device, comprising:

[0007] A polishing box is installed with a clamping assembly and a servo cylinder inside, the output end of the servo cylinder is connected with a connecting cover, the first servo motor is installed in the connecting cover, the connecting cover is connected with a rotating plate through a connecting assembly, and the output end of the first servo motor is connected with the rotating plate, the rotating plate is connected with a connecting plate through a moving assembly, a plurality of second servo motors are installed on the connecting plate, and the output end of the plurality of second servo motors is respectively connected with a rough polishing disc, a medium polishing disc and a fine polishing disc through a replacement mechanism, and an infrared sensor is installed on the connecting plate.

[0008] The replacement mechanism comprises a fixing block, a connecting block and a clamping assembly, the fixing block is connected with the output end of the second servo motor, the connecting block is connected with the coarse grinding disc, the medium grinding disc and the fine grinding disc respectively, a connecting groove for connecting the connecting block is formed in the fixing block, and the connecting block is clamped and fixed in the connecting groove through the clamping assembly.

[0009] Preferably, the clamping assembly comprises a bottom plate, two side plates, two electric push rods and two clamping plates, the bottom plate is fixedly connected in the polishing box, the two side plates are fixedly installed on the two sides of the bottom plate, the two electric push rods are fixedly installed on the two side plates, and the output ends of the two electric push rods are connected with the clamping plates.

[0010] Preferably, a first rubber layer is arranged on the bottom plate, and a second rubber layer is arranged on the side, away from the electric push rod, of the clamping plate.

[0011] Preferably, the connecting assembly comprises a limiting ring and a plurality of balls, the limiting ring is fixedly connected at one end of the connecting cover, a limiting groove for rotatably connecting the limiting ring and the one end of the connecting cover is formed in the rotating plate, the plurality of balls are rotatably connected on the limiting ring, and a rotating groove for rotatably connecting the balls is formed at the upper end of the limiting groove.

[0012] Preferably, the moving assembly comprises a driving motor, a threaded rod and a moving block, a moving groove for rotatably connecting the threaded rod is formed in the rotating plate, the driving motor is installed at one end of the rotating plate, the output end of the driving motor is connected with the extended end of the threaded rod penetrating through the moving groove, the moving block is threadedly connected with the threaded rod, and the moving block is connected with the connecting plate.

[0013] Preferably, an installation plate is installed at one side of the rotating plate, the driving motor is installed on the installation plate, and a counterweight is arranged at the end of the rotating plate, away from the installation plate.

[0014] Preferably, the clamping assembly comprises a reset spring and two clamping blocks, an installation groove for connecting the reset spring is formed in the connecting block, the two ends of the reset spring are connected with the clamping blocks, clamping grooves are formed at the two sides of the connecting groove, and the clamping blocks penetrate through the installation groove and are clamped in the clamping grooves.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1、The clamping assembly is arranged, so that the valve seat can be clamped and fixed, thereby facilitating polishing use.

[0017] 2、The utility model discloses a plurality of second servo motor's setting can drive coarse grinding disc, middle grinding disc and fine grinding disc to polish valve seat respectively, and infrared sensor can detect valve seat surface when polishing, thereby control polishing disc of different mesh number is polished to valve seat, can automatically switch the polishing disc of different mesh number and polish, make polishing device can realize continuous operation, reduced the time of interrupting production because of replacing polishing disc, can promote polishing production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is main view structural schematic diagram of a kind of underground rod type pump valve seat production and use polishing device in the embodiment of the application;

[0019] Figure 2 It is front view cross-sectional structural schematic diagram of a kind of underground rod type pump valve seat production and use polishing device in the embodiment of the application;

[0020] Figure 3 It is Figure 2 Enlarged view in A place;

[0021] Figure 4 It is side view cross-sectional structural schematic diagram of a kind of underground rod type pump valve seat production and use polishing device in the embodiment of the application;

[0022] Figure 5 It is Figure 4 Enlarged view in B place.

[0023] In the drawing: 1, polishing box;2, servo cylinder;3, connecting cover;4, first servo motor;5, rotating plate;6, connecting plate;7, second servo motor;8, coarse grinding disc;9, middle grinding disc;10, fine grinding disc;11, infrared sensor;12, fixed block;13, connecting block;14, connecting groove;15, bottom plate;16, side plate;17, electric push rod;18, clamping plate;19, first rubber layer;20, second rubber layer;21, limit ring;22, ball;23, limit groove;24, rotating groove;25, drive motor;26, threaded rod;27, moving block;28, moving groove;29, mounting plate;30, counterweight;31, reset spring;32, clamping block;33, mounting groove;34, clamping groove. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0025] Please refer toFigures 1-5 The utility model provides a technical scheme:

[0026] A kind of underground pole type pump valve seat production is polished with polishing device, comprising:

[0027] Polishing box 1 is installed with clamping assembly and servo cylinder 2 in polishing box 1, servo cylinder 2 output end is connected with connecting cover 3, servo cylinder 2 can drive connecting cover 3 to move up and down, to adjust polishing height;

[0028] Specifically, clamping assembly includes bottom plate 15, two side plates 16, two electric push rods 17 and two clamping plates 18, bottom plate 15 is fixedly connected in polishing box 1, two side plates 16 are fixedly installed at bottom plate 15 two sides, two electric push rods 17 are fixedly installed on two side plates 16, and the output end of two electric push rods 17 is connected with clamping plate 18.

[0029] Further, first rubber layer 19 is provided on bottom plate 15, and second rubber layer 20 is provided on the side of clamping plate 18 away from electric push rod 17.

[0030] When clamping the valve seat, place the valve seat on the first rubber layer 19 of the bottom plate 15, then start the two electric push rods 17 at the same time, drive the clamping plate 18 to move relatively, the second rubber layer 20 on the clamping plate 18 is in contact with the valve seat, clamping and fixing the valve seat, through the setting of electric push rod 17, different sizes of valve seat can be clamped and fixed for polishing and processing, through the setting of first rubber layer 19 and second rubber layer 20, the wear of the valve seat can be reduced when the valve seat is fixed.

[0031] First servo motor 4 is installed in connecting cover 3, connecting cover 3 is connected with rotating plate 5 through connecting assembly, connecting assembly includes limiting ring 21 and a plurality of ball bearings 22, limiting ring 21 is fixedly connected at one end of connecting cover 3, limiting groove 23 is formed in rotating plate 5 for rotating connection of limiting ring 21 and one end of connecting cover 3, a plurality of ball bearings 22 are rotatably connected on limiting ring 21, and rotating groove 24 is formed in the upper end of limiting groove 23 for rotating connection of ball bearings 22.

[0032] When the first servo motor 4 drives the rotating plate 5 to rotate, the limiting ring 21 rotates in the limiting groove 23, and the ball bearings 22 on the limiting ring 21 rotate in the rotating groove 24, which can reduce the friction of the limiting ring 21 rotating in the limiting groove 23, thereby reducing the load of the first servo motor 4 and improving the service life of the first servo motor 4.

[0033] And the first servo motor 4 output end and rotating plate 5 is connected, rotating plate 5 is connected with connecting plate 6 through moving assembly, moving assembly includes drive motor 25, threaded rod 26 and moving block 27, rotating plate 5 is provided with moving groove 28 for threaded rod 26 rotationally connected, drive motor 25 is installed at one end of rotating plate 5, and the drive motor 25 output end is connected with the extension end of threaded rod 26 through moving groove 28, moving block 27 is threadedly connected with threaded rod 26, and moving block 27 is connected with connecting plate 6;

[0034] When adjusting the displacement of connecting plate 6, drive motor 25 drives moving block 27 to move in moving groove 28 through threaded rod 26, which can drive connecting plate 6 to move, so as to adjust the polishing orientation;

[0035] Wherein, one side of rotating plate 5 is provided with mounting plate 29, drive motor 25 is installed on mounting plate 29, and the end of rotating plate 5 away from mounting plate 29 is provided with counterweight 30, through the setting of mounting plate 29, it is convenient to install and fix drive motor 25, through the setting of counterweight 30, the end of rotating plate 5 can be counterweighted, and the deviation of rotating plate 5 is reduced.

[0036] Connecting plate 6 is provided with a plurality of second servo motors 7, and the output ends of the second servo motors 7 are connected with coarse grinding disc 8, medium grinding disc 9 and fine grinding disc 10 through replacement mechanism respectively, and infrared sensor 11 is installed on connecting plate 6; The replacement mechanism includes fixed block 12, connecting block 13 and clamping assembly, the fixed block 12 is connected with the output end of the second servo motor 7, the connecting block 13 is connected with the coarse grinding disc 8, the medium grinding disc 9 and the fine grinding disc 10 respectively, the fixed block 12 is provided with connecting groove 14 for connecting connecting block 13, connecting block 13 is clamped and fixed in connecting groove 14 through clamping assembly, clamping assembly includes reset spring 31 and two clamping blocks 32, connecting block 13 is provided with mounting slot 33 for connecting reset spring 31, and the both ends of reset spring 31 are connected with clamping block 32, the both sides of connecting groove 14 are provided with clamping groove 34, and clamping block 32 is clamped in clamping groove 34 through mounting slot 33.

[0037] When polishing the valve seat, first drive the second servo motor 7 of the coarse grinding disc 8 to operate, drive the coarse grinding disc 8 to quickly remove the uneven part or burr on the surface of the valve seat, wherein the polishing position of the coarse grinding disc 8 can be adjusted through the setting of the first servo motor 4 and the moving assembly, when the infrared sensor 11 detects that the preliminary polishing of the valve seat is completed, the second servo motor 7 driving the coarse grinding disc 8 is closed, then the position of the middle grinding disc 9 is adjusted, the second servo motor 7 driving the middle grinding disc 9 is started, the middle grinding disc 9 further refines the surface of the valve seat, removes the traces left in the rough grinding stage, and makes the surface more smooth, when the infrared sensor 11 detects that the further polishing of the valve seat is completed, the second servo motor 7 driving the middle grinding disc 9 is closed, then the position of the fine grinding disc 10 is adjusted, the second servo motor 7 driving the fine grinding disc 10 is started, the fine grinding disc 10 further polishes the surface smoothness of the valve seat to meet the specific production requirements or customer needs, different mesh polishing discs can be automatically switched for polishing, so that the polishing device can realize continuous operation, the time of interrupting production due to replacing the polishing disc is reduced, and the polishing production efficiency can be improved;

[0038] When the coarse grinding disc 8, the middle grinding disc 9 or the fine grinding disc 10 is disassembled, the clamping block 32 is pressed, the clamping block 32 is moved out of the clamping groove 34, and then the connecting block 13 is taken out of the connecting groove 14;

[0039] When the coarse grinding disc 8, the middle grinding disc 9 or the fine grinding disc 10 is installed, the clamping block 32 is pressed, the connecting block 13 is inserted into the connecting groove 14, the clamping block 32 is released, the elastic potential energy of the reset spring 31 is released, the clamping block 32 is clamped in the clamping groove 34, the connecting block 13 is clamped and fixed in the connecting groove 14, and the coarse grinding disc 8, the middle grinding disc 9 or the fine grinding disc 10 can be installed and fixed.

[0040] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A grinding device for producing underground rod pump valve seats, characterized in that, Include: Polishing box (1), clamping assembly and servo cylinder (2) are installed in polishing box (1), the output end of servo cylinder (2) is connected with connecting cover (3), first servo motor (4) is installed in connecting cover (3), connecting cover (3) is connected with rotating plate (5) through connecting assembly, and the output end of first servo motor (4) is connected with rotating plate (5), rotating plate (5) is connected with connecting plate (6) through moving assembly, a plurality of second servo motors (7) are installed on connecting plate (6), a plurality of second servo motors (7) are connected with coarse grinding disc (8), medium grinding disc (9) and fine grinding disc (10) through replacement mechanism respectively, infrared sensor (11) is installed on connecting plate (6); The replacement mechanism comprises a fixed block (12), a connecting block (13) and a clamping assembly, the fixed block (12) is connected with the output end of the second servo motor (7), the connecting block (13) is connected with the coarse grinding disc (8), the medium grinding disc (9) and the fine grinding disc (10) respectively, the connecting groove (14) for connecting the connecting block (13) is formed in the fixed block (12), and the connecting block (13) is clamped and fixed in the connecting groove (14) through the clamping assembly.

2. The polishing device for producing an underground rod pump valve seat according to claim 1, characterized in that: The clamping assembly comprises a bottom plate (15), two side plates (16), two electric push rods (17) and two clamping plates (18), the bottom plate (15) is fixedly connected in the polishing box (1), the two side plates (16) are fixedly installed on the both sides of the bottom plate (15), the two electric push rods (17) are fixedly installed on the two side plates (16), and the output ends of the two electric push rods (17) are connected with the clamping plates (18).

3. The polishing device for producing an underground rod pump valve seat according to claim 2, characterized in that: A first rubber layer (19) is arranged on the bottom plate (15), and a second rubber layer (20) is arranged on the side, away from the electric push rod (17), of the clamping plate (18).

4. The polishing device for producing an underground rod pump valve seat according to claim 1, characterized in that: The connecting assembly comprises a limiting ring (21) and a plurality of balls (22), the limiting ring (21) is fixedly connected to one end of the connecting cover (3), the limiting groove (23) for rotatably connecting the limiting ring (21) and one end of the connecting cover (3) is formed in the rotating plate (5), the plurality of balls (22) are rotatably connected to the limiting ring (21), and the rotating groove (24) for rotatably connecting the balls (22) is formed in the upper end of the limiting groove (23).

5. The polishing device for producing an underground rod pump valve seat according to claim 1, characterized in that: The moving assembly comprises a driving motor (25), a threaded rod (26) and a moving block (27), the moving groove (28) for rotatably connecting the threaded rod (26) is formed in the rotating plate (5), the driving motor (25) is installed at one end of the rotating plate (5), the output end of the driving motor (25) is connected with the extension end of the threaded rod (26) penetrating the moving groove (28), and the moving block (27) is threadedly connected with the threaded rod (26), and the moving block (27) is connected with the connecting plate (6).

6. The polishing device for producing an underground rod pump valve seat according to claim 5, characterized in that: The rotating plate (5) is provided with a mounting plate (29) on one side, the driving motor (25) is mounted on the mounting plate (29), and a counterweight (30) is arranged at the end of the rotating plate (5) away from the mounting plate (29).

7. The polishing device for producing an underground rod pump valve seat according to claim 1, characterized in that: The clamping assembly comprises a reset spring (31) and two clamping blocks (32), the connecting block (13) is provided with a mounting groove (33) for connecting the reset spring (31), and the two ends of the reset spring (31) are connected with the clamping blocks (32), the connecting grooves (14) are provided with clamping grooves (34) on the two sides, and the clamping blocks (32) are clamped in the clamping grooves (34) through the mounting grooves (33).