Grinding machine for valve body machining

The design of the rotation limit and grinding mechanism solves the problem of cumbersome tool replacement in the valve body grinding device during the processing of valve bodies with different inner diameters, achieves stable fixation and flexible grinding of the valve body, and improves processing efficiency and quality.

CN223339082UActive Publication Date: 2025-09-16HANGZHOU NINGGANG PRECISION MASCH CO LTD
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Patent Information

Application Number
CN202422745172.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-11
Publication Date
2025-09-16
Estimated Expiration
2034-11-11

AI Technical Summary

Technical Problem

The existing valve body grinding device needs to frequently replace fixed tooling when facing valve bodies with different inner diameters, resulting in a waste of processing time and the grinding position is fixed and difficult to adjust, affecting the processing efficiency and quality.

Method used

A grinding machine for valve body processing is designed. It adopts a rotation limit mechanism and a grinding mechanism. The motor drives the threaded rod and the limit rod to realize the rotation fixation and position adjustment of the valve body. The electric push rod is combined to adjust the grinding range to improve stability and efficiency.

Benefits of technology

It achieves stable fixation and flexible grinding of valve bodies with different diameters, improves grinding efficiency and quality, simplifies the tooling replacement process, and enhances grinding flexibility and precision.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223339082U_ABST
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Abstract

The utility model relates to the technical field of polishing devices, and discloses a valve body machining polisher which comprises a polishing bin, a motor A is fixedly installed on the inner side of the bottom of the polishing bin, a threaded rod A is fixedly installed at one end of an output shaft of the motor A, an installation plate is installed outside the threaded rod A in a threaded mode, and a polishing mechanism is arranged at the bottom of a movable plate. And a rotating limiting mechanism is arranged on the side, close to the motor A, of the mounting plate. The motor B is started to drive the valve body to rotate, meanwhile, the supporting plate can support and fix the inner wall of the valve body, follow-up grinding can be conveniently conducted on the valve bodies with different diameters, a spiral rotating rod is rotated, a limiting rod can be driven to limit one end of the valve body, and the situation that the valve body is damaged during rotation is avoided. And the valve body is separated from the supporting plate, the grinding degree of the valve body is adjusted by adjusting the push rod length of the electric push rod B, the grinding effect is guaranteed, and different positions of the valve body are ground by adjusting the electric push rod A.
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Description

Technical Field

[0001] The utility model relates to the technical field of grinding devices, in particular to a grinding machine for valve body processing. Background Art

[0002] Valve body processing refers to the process of manufacturing and processing the valve body. The valve body is one of the main components of the valve. Its function is to provide support and sealing functions for the valve, as well as to provide a flow channel for the medium. Valve body processing is a key link in valve manufacturing. Its quality and precision directly affect the performance and reliability of the valve. Therefore, in the valve body processing process, it is necessary to strictly control the quality and dimensional requirements of each step and process, and take appropriate detection and control measures to ensure the quality of the final product.

[0003] In the prior art, a valve body grinding device is required to grind valve bodies of different inner diameters. Due to the large difference in inner diameters, corresponding fixed tooling needs to be replaced when grinding valve bodies of different sizes. The process of replacing tooling is relatively cumbersome, which wastes processing time. In addition, the grinding position is relatively fixed and difficult to adjust. Therefore, a grinding machine for valve body processing is currently needed to solve this problem. Utility Model Content

[0004] The purpose of the present utility model is to provide a grinding machine for valve body processing 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: a grinding machine for valve body processing, comprising a grinding chamber, a motor A is fixedly installed on the inner side of the bottom of the grinding chamber, a threaded rod A is fixedly installed on one end of the output shaft of the motor A, and a mounting plate is installed on the external thread of the threaded rod A, an electric push rod A is fixedly installed on the top of the grinding chamber, a movable plate is fixedly installed on one end of the output shaft of the electric push rod A, a slide groove is provided on the top of the grinding chamber, and the slide groove and the movable plate are slidably connected, a grinding mechanism is provided at the bottom of the movable plate, and a rotation limiting mechanism is provided on the side of the mounting plate close to the motor A.

[0006] The rotation limiting mechanism includes a rotation component and a limiting component, and the limiting component is arranged outside the rotation component.

[0007] Preferably, the rotating assembly includes a motor B, which is fixedly mounted inside the mounting plate. The output shaft of the motor B extends to one end of the inner side of the mounting plate and is fixedly mounted with a threaded rod B. The external thread of the threaded rod B is mounted with a threaded sleeve, and a connecting rod is movably mounted on the outside of the threaded sleeve. A support plate is movably mounted on the top of the connecting rod, and a cross is rotatably mounted on the inner side of the mounting plate, and the cross and the connecting rod are slidably connected.

[0008] Preferably, the limiting assembly includes a mounting bracket, which is fixedly mounted on the inner side of the mounting plate, a fixing ring is fixedly mounted on the outside of the mounting bracket, a sliding sleeve is fixedly mounted on the inner side of the fixing ring, a fixing rod is fixedly mounted on the outside of the mounting bracket, a limiting rod is rotatably mounted on the top of the fixing rod, a roller is rotatably mounted on one end of the limiting rod close to the inner side of the fixing ring, a fixing block A is fixedly mounted on the outside of the mounting bracket, a fixing block B is fixedly mounted on the bottom of the fixing ring, a spiral rotating rod is threadedly mounted on the external thread of the fixing block A, and the spiral rotating rod and the fixing block B are threadedly connected.

[0009] Preferably, the number of the support plates is four groups, and they are equidistantly distributed outside the threaded sleeve.

[0010] Preferably, the limiting rods are in three groups and are equidistantly distributed on the inner side of the fixing ring.

[0011] Preferably, the grinding mechanism includes a tripod, which is fixedly mounted on the bottom of the movable plate, with clamping arms movably mounted on both sides of the tripod, an electric push rod B fixedly mounted on the top of the clamping arm, and a grinding brush head threadedly mounted on the bottom of the clamping arm.

[0012] Preferably, the number of the grinding brush heads is two groups, and they are symmetrically distributed on both sides of the tripod with the tripod as the axis.

[0013] Compared with the prior art, the present invention provides a grinding machine for valve body processing, which has the following beneficial effects:

[0014] 1. The valve body grinding machine can rotate the valve body by turning on the motor B to rotate the valve body, and at the same time, the support plate can support and fix the inner wall of the valve body, so as to adapt to the subsequent grinding of valve bodies of different diameters. Rotating the spiral rod can drive the limit rod to limit one end of the valve body to prevent the valve body from separating from the support plate during rotation, thereby increasing the stability during grinding and improving the grinding efficiency.

[0015] 2. The grinding machine used for valve body processing adjusts the grinding degree of the valve body by adjusting the length of the electric push rod B through the grinding mechanism, thereby ensuring the grinding effect. By adjusting the electric push rod A, different positions of the valve body can be ground, thereby increasing the grinding range. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work.

[0017] Figure 1 This is a schematic diagram of the front structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the rotation limiting mechanism of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the limit assembly of the utility model;

[0021] Figure 5 This is a schematic diagram of the grinding mechanism structure of the utility model.

[0022] In the figure: 1. Grinding chamber; 2. Motor A; 3. Threaded rod A; 4. Mounting plate; 5. Electric push rod A; 6. Moving plate; 7. Slide; 8. Rotation limit mechanism; 81. Rotating assembly; 811. Motor B; 812. Threaded rod B; 813. Threaded sleeve; 814. Connecting rod; 815. Support plate; 816. Cross; 82. Limiting assembly; 821. Mounting frame; 822. Fixed ring; 823. Slide sleeve; 824. Fixed rod; 825. Fixed block A; 826. Spiral rod; 827. Fixed block B; 828. Roller; 829. Limiting rod; 9. Grinding mechanism; 91. Tripod; 92. Clamping arm; 93. Electric push rod B; 94. Grinding brush head. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium, internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0025] Example 1:

[0026] See also Figure 1-4The utility model provides a technical solution: a grinding machine for valve body processing, comprising a grinding chamber 1, a motor A2 is fixedly installed on the inner side of the bottom of the grinding chamber 1, a threaded rod A3 is fixedly installed on one end of the output shaft of the motor A2, and a mounting plate 4 is mounted on the external thread of the threaded rod A3, an electric push rod A5 is fixedly installed on the top of the grinding chamber 1, and a movable plate 6 is fixedly installed on one end of the output shaft of the electric push rod A5, a slide groove 7 is provided on the top of the grinding chamber 1, and the slide groove 7 is slidably connected to the movable plate 6, a grinding mechanism 9 is provided at the bottom of the movable plate 6, and a rotation limiting mechanism 8 is provided on the side of the mounting plate 4 close to the motor A2.

[0027] The rotation limiting mechanism 8 includes a rotation component 81 and a limiting component 82 . The limiting component 82 is disposed outside the rotation component 81 .

[0028] Furthermore, the rotating assembly 81 includes a motor B811, which is fixedly mounted inside the mounting plate 4. The output shaft of the motor B811 extends to one end of the inner side of the mounting plate 4 and is fixedly mounted with a threaded rod B812. The external thread of the threaded rod B812 is mounted with a threaded sleeve 813, and the external movably mounted with a connecting rod 814 on the threaded sleeve 813. The top of the connecting rod 814 is movably mounted with a support plate 815. A cross 816 is rotatably mounted on the inner side of the mounting plate 4, and the cross 816 and the connecting rod 814 are slidably connected to each other, which is convenient for fixing the valve body, driving the rotation, and facilitating subsequent polishing.

[0029] Furthermore, the limiting assembly 82 includes a mounting frame 821, which is fixedly installed on the inner side of the mounting plate 4, a fixing ring 822 is fixedly installed on the outside of the mounting frame 821, a sliding sleeve 823 is fixedly installed on the inner side of the fixing ring 822, a fixing rod 824 is fixedly installed on the outside of the mounting frame 821, a limiting rod 829 is rotatably installed on the top of the fixing rod 824, and a roller 828 is rotatably installed on the limiting rod 829 near one end of the inner side of the fixing ring 822, a fixing block A825 is fixedly installed on the outside of the mounting frame 821, a fixing block B827 is fixedly installed on the bottom of the fixing ring 822, a spiral rod 826 is threadedly installed on the external thread of the fixing block A825, and the spiral rod 826 is threadedly connected to the fixing block B827, so as to facilitate limiting one end of the valve body and prevent it from detaching during rotation.

[0030] Furthermore, the number of the support plates 815 is four, and they are evenly distributed outside the threaded sleeve 813, so as to facilitate fixing the inner wall of the valve body.

[0031] Furthermore, the number of the limiting rods 829 is three groups, and they are equidistantly distributed on the inner side of the fixing ring 822 to facilitate fixed limiting.

[0032] Embodiment 2:

[0033] See also Figure 5, and combined with Example 1, it is further obtained that the grinding mechanism 9 includes a tripod 91, the tripod 91 is fixedly installed at the bottom of the movable plate 6, and clamping arms 92 are movably installed on both sides of the tripod 91. An electric push rod B93 is fixedly installed on the top of the clamping arm 92, and a grinding brush head 94 is threadedly installed on the bottom of the clamping arm 92 to facilitate adjustment of the grinding position, perform fitting grinding, and enhance the grinding effect.

[0034] Furthermore, the number of the grinding brush heads 94 is two groups, and they are symmetrically distributed on both sides of the tripod 91 with the tripod 91 as the axis, so as to facilitate grinding on both sides.

[0035] In actual operation, when this device is used, first place the inner side of one end of the valve body on the support plate 815, then turn on the motor B811, let the motor B811 rotate to drive the threaded sleeve 813 on the threaded rod B812 to move toward the motor B811, so that the support plate 815 on the connecting rod 814 is stretched outward until the support plate 815 fixes the inner side of the valve body. When the support plate 815 supports the inner side of the valve body, it will drive the cross 816 to rotate, so that the valve body rotates. When the motor B811 is turned on, the other end of the valve body is placed on the inner side of the fixing ring 822, and the fixing block B827 is moved outward by rotating the spiral rod 826, which drives the bottom fixing ring 822 to rotate, so that the sliding The limiting rod 829 on the inside of the sleeve 823 is squeezed, and with the fixed rod 824 as the axis, it extends along the sliding sleeve 823 toward the inside of the fixed ring 822 until the roller 828 is against the other end of the valve body to achieve limitation and prevent it from falling off during rotation. Then, the motor A2 is turned on to make the mounting plate 4 move with the rotation limiting mechanism 8 toward the grinding mechanism 9 until the inside of the mounting plate 4 and the inside of the grinding chamber 1 are closed. Then, the electric push rod A5 is turned on to drive the movable plate 6 to slide on the inside of the slide groove 7, so that the tripod 91 is in the center position of the valve body. The electric push rod B93 is turned on to push the clamping arm 92 on the other side, so that the two sets of grinding brush heads 94 are close to the valve body for fit grinding to clean the surface of the valve body.

[0036] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a..." does not exclude the presence of additional identical elements in the process, method, article, or device comprising the element.

Claims

1. A grinding machine for valve body processing, comprising a grinding chamber (1), characterized in that: A motor A (2) is fixedly mounted on the inner side of the bottom of the grinding chamber (1), a threaded rod A (3) is fixedly mounted on one end of the output shaft of the motor A (2), a mounting plate (4) is mounted on the external thread of the threaded rod A (3), an electric push rod A (5) is fixedly mounted on the top of the grinding chamber (1), a movable plate (6) is fixedly mounted on one end of the output shaft of the electric push rod A (5), a sliding groove (7) is provided on the top of the grinding chamber (1), and the sliding groove (7) and the movable plate (6) are slidably connected, a grinding mechanism (9) is provided at the bottom of the movable plate (6), and a rotation limiting mechanism (8) is provided on the side of the mounting plate (4) close to the motor A (2); The rotation limiting mechanism (8) comprises a rotation component (81) and a limiting component (82), wherein the limiting component (82) is arranged outside the rotation component (81).

2. A grinding machine for valve body processing according to claim 1, characterized in that: The rotating assembly (81) includes a motor B (811), the motor B (811) is fixedly mounted inside the mounting plate (4), the output shaft of the motor B (811) extends to the inner side of the mounting plate (4) and is fixedly mounted with a threaded rod B (812) at one end, the outer thread of the threaded rod B (812) is mounted with a threaded sleeve (813), the outer side of the threaded sleeve (813) is movably mounted with a connecting rod (814), the top of the connecting rod (814) is movably mounted with a support plate (815), the inner side of the mounting plate (4) is rotatably mounted with a cross (816), and the cross (816) and the connecting rod (814) are slidably connected.

3. A grinding machine for valve body processing according to claim 2, characterized in that: The limiting assembly (82) includes a mounting frame (821), the mounting frame (821) is fixedly mounted on the inner side of the mounting plate (4), a fixing ring (822) is fixedly mounted on the outside of the mounting frame (821), a sliding sleeve (823) is fixedly mounted on the inner side of the fixing ring (822), a fixing rod (824) is fixedly mounted on the outside of the mounting frame (821), a limiting rod (829) is rotatably mounted on the top of the fixing rod (824), a roller (828) is rotatably mounted on one end of the limiting rod (829) close to the inner side of the fixing ring (822), a fixing block A (825) is fixedly mounted on the outside of the mounting frame (821), a fixing block B (827) is fixedly mounted on the bottom of the fixing ring (822), a spiral rod (826) is threadedly mounted on the outside of the fixing block A (825), and the spiral rod (826) and the fixing block B (827) are threadedly connected.

4. A grinding machine for valve body processing according to claim 2, characterized in that: The number of the support plates (815) is four groups, and they are evenly distributed outside the threaded sleeve (813).

5. The grinding machine for valve body processing according to claim 3, characterized in that: The number of the limiting rods (829) is three groups, and they are equidistantly distributed on the inner side of the fixing ring (822).

6. The grinding machine for valve body processing according to claim 1, characterized in that: The grinding mechanism (9) comprises a tripod (91), the tripod (91) is fixedly mounted on the bottom of the movable plate (6), clamping arms (92) are movably mounted on both sides of the tripod (91), an electric push rod B (93) is fixedly mounted on the top of the clamping arm (92), and a grinding brush head (94) is threadedly mounted on the bottom of the clamping arm (92).

7. A grinding machine for valve body processing according to claim 6, characterized in that: The number of the grinding brush heads (94) is two groups, and they are symmetrically distributed on both sides of the tripod (91) with the tripod (91) as the axis.