Stainless steel valve rod polishing machine

By designing a stainless steel valve stem polishing machine, and using a combination of a fixed base, moving parts, driving parts, and polishing parts, the problem of uneven polishing caused by the fixed position of the valve stem was solved, and uniform polishing and improved stability of the valve stem were achieved.

CN223802326UActive Publication Date: 2026-01-16FUJIAN SANHONG FLUID TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520426412.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-12
Publication Date
2026-01-16
Estimated Expiration
2035-03-12

AI Technical Summary

Technical Problem

When the valve stem is in a fixed position, the polishing equipment has difficulty polishing the valve stem evenly, resulting in uneven polishing.

Method used

A stainless steel valve stem polishing machine was designed, comprising a fixed base, a moving part, a driving part, and a polishing part. Through the cooperation of a servo motor, a lead screw, gears, and a polishing block, the valve stem is rotated and polished.

Benefits of technology

This process achieves uniform polishing of the valve stem, improves the stability and efficiency of polishing, and ensures the smoothness and sealing performance of the valve stem surface.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a stainless steel valve rod polishing machine, and relates to the technical field of valve rod machining. Comprising a fixing base, a control piece is arranged in the fixing base, and a guide groove is formed in the outer side of the fixing base; the moving part is arranged on the outer side of the fixed seat and used for driving the valve rod to move; the driving part is arranged in the moving part and used for driving the valve rod to rotate; and the polishing piece is arranged on the outer side of the fixing base and used for polishing different positions of the valve rod, and a plurality of guide grooves are further formed in the outer side of the fixing base and are formed in the two sides of the guide groove. Through the arrangement of the polishing piece, the moving piece and the driving piece, a telescopic pipe, a connecting ring, a polishing block, a supporting block, a mounting pipe, a connecting shaft, a first gear, a second gear, a connecting sleeve, a driving shaft and a third gear are matched, so that a valve rod is rotationally polished; and it is avoided that in the valve rod grinding process, the valve rod is difficult to be evenly polished through grinding equipment.
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Description

TECHNICAL FIELD

[0001] The utility model relates to valve rod processing technical field, concretely relates to a stainless steel valve rod polishing machine. BACKGROUND

[0002] Valve rod is the important component part of valve, has the executing mechanism or handle on valve rod, valve rod directly drives valve rod to move or rotate to realize the switch of valve, and the rod is not only the moving piece, force piece in the opening and closing process of valve, but also the sealing piece, and the valve rod is also impacted and corroded by medium, therefore must guarantee to have enough strength, good impact toughness, anti -scratch and corrosion resistance under the stipulated temperature, so the valve rod usually adopts stainless steel material to make, after the forging of stainless steel valve rod is completed, needs to polish the surface, to improve the sealing performance.

[0003] In the polishing process of valve rod, the valve rod is mostly fixed in position, then the surface polishing treatment of different positions of the valve rod is carried out through the control of the operator to the polishing equipment, and in actual use, since the position of the valve rod is fixed, the polishing equipment is difficult to polish the valve rod uniformly in the polishing process of the valve rod, and therefore a stainless steel valve rod polishing machine is proposed. UTILITY MODEL CONTENTS

[0004] The utility model discloses a stainless steel valve rod polishing machine, which can uniformly polish the valve rod in the polishing process of the valve rod, and solves the problem of the prior art.

[0005] The utility model discloses a stainless steel valve rod polishing machine, which can uniformly polish the valve rod in the polishing process of the valve rod, and solves the problem of the prior art.

[0006] A stainless steel valve rod polishing machine, comprising:

[0007] A fixed seat is internally provided with a control member, and a guide groove is formed on the outer side of the fixed seat.

[0008] A moving member is arranged on the outer side of the fixed seat and is used to drive the valve rod to move.

[0009] A driving member is arranged in the moving member and is used to drive the valve rod to rotate.

[0010] A polishing member is arranged on the outer side of the fixed seat and is used to polish different positions of the valve rod.

[0011] Further, a guide groove is formed on the outer side of the fixed seat, the guide groove is a plurality of guide grooves, the guide grooves are arranged on both sides of the guide groove, a guide block is arranged in the guide groove, and a mounting block is arranged on the outer side of the fixed seat.

[0012] Further, the moving piece comprises a supporting block which slides outside the fixed seat and is connected with the guide block, the supporting block is internally provided with a connecting shaft which rotates inside the supporting block, the connecting shaft penetrates the supporting block and the shaft center line of the connecting shaft is parallel to the length direction of the fixed seat, an installation pipe is arranged outside the connecting shaft and is connected with the supporting block, one end of the connecting shaft is provided with a clamp, and the supporting block is further provided with a connecting block which slides inside the guide slot.

[0013] Further, the polishing piece comprises a telescopic pipe which is arranged inside the installation block, penetrates the installation block and has a shaft center line parallel to the shaft center line of the connecting shaft, a plurality of connecting rings are arranged outside the telescopic pipe and slide outside the telescopic pipe and are connected with the installation block, and the telescopic pipe is further provided with a polishing block relative to the end of the clamp.

[0014] Further, the driving piece comprises a driving shaft which rotates inside the guide slot, the two ends of the driving shaft are respectively provided with a second gear and a connecting sleeve, a third gear is arranged outside the second gear and is connected with the connecting block, and the second gear and the third gear are both meshed with a first gear which is connected with the telescopic pipe and the connecting shaft.

[0015] Further, the control piece comprises a servo motor which is connected with the fixed seat, and the output end of the servo motor is provided with a threaded rod, a silk sleeve is arranged outside the threaded rod and is connected with the supporting block.

[0016] The utility model discloses the beneficial effect is as follows:

[0017] The utility model discloses the setting of polishing piece, moving piece and driving piece realizes the cooperation of telescopic pipe, connecting ring, polishing block, supporting block, installation pipe, connecting shaft, first gear, second gear, connecting sleeve, driving shaft and third gear to rotate and polish the valve stem, avoids the polishing equipment from being difficult to polish the valve stem uniformly in the valve stem polishing process. ACCURACY OF DRAWINGS

[0018] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0019] Figure 2 It is the main sectional view of the utility model;

[0020] Figure 3 It is the fixed seat partial sectional view of the utility model;

[0021] Figure 4 It is the moving piece enlarged view of the utility model;

[0022] Figure 5It is the utility model polishing piece enlarged view;

[0023] Sign: 1, fixed seat;101, control piece;102, guide groove;103, guide groove;104, guide block;2, polishing piece;201, telescopic pipe;202, connecting ring;203, polishing block;3, moving piece;301, support block;302, mounting pipe;303, connecting shaft;304, connecting block;305, clamp;4, driving piece;401, first gear;402, second gear;403, connecting sleeve;404, drive shaft;405, third gear. DETAILED DESCRIPTION

[0024] In order to make the utility model embodiment purposes, technical scheme and advantages more clearly, below, combining with the drawings in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, the described embodiment is a part of the embodiment of the utility model, rather than all the embodiments. The components of the utility model embodiment described and shown in the drawing here can be arranged and designed in various different configurations.

[0025] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the utility model.

[0026] It should be noted that: similar signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second" and the like are only used to distinguish description, and cannot be understood as indicating or implying relative importance.

[0027] The electrical components appearing in this paper are all connected with the main controller and 220V mains of the outside world, and the main controller can be a conventional known device such as a computer.

[0028] In the description of the embodiments of the utility model, it should be pointed out that the terms "inner", "outer", "upper" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawing, or the orientation or positional relationship commonly placed when the utility model product is used, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the indicated device or element must have a particular orientation, structure and operation, therefore, it cannot be understood as a limitation on the utility model.

[0029] As Figures 1 to 5As shown, a stainless steel valve stem polishing machine includes: a fixed base 1, with a control component 101 inside the fixed base 1 and a guide groove 102 on the outside of the fixed base 1; a moving component 3, disposed on the outside of the fixed base 1, for moving the valve stem; a driving component 4, disposed inside the moving component 3, for rotating the valve stem; and a polishing component 2, disposed on the outside of the fixed base 1, for polishing different positions of the valve stem. Specifically, when polishing the valve stem is required, the valve stem is first installed on the outside of the moving component 3, and then the valve stem is moved by the control component 101. During the movement of the valve stem, the valve stem is polished at different positions through the cooperation of the driving component 4 and the polishing component 2, ensuring the stability of the valve stem polishing.

[0030] like Figures 1 to 5 As shown, a guide groove 103 is also provided on the outer side of the fixed seat 1. There are multiple guide grooves 103, and the guide grooves 103 are located on both sides of the guide groove 102. A guide block 104 is provided inside the guide groove 103. An installation block is provided on the outer side of the fixed seat 1. Specifically, the installation block provides support for the moving part 3 during use to ensure the stability of the moving part 3 during use. The guide block 104, in conjunction with the guide groove 103, provides guidance for the moving part 3 during use to ensure that the moving part 3 can slide stably on the outer side of the fixed seat 1. The guide block 104 and the guide groove 103 have the same shape. The guide block 104 can be T-shaped or dovetail-shaped, etc., to ensure that the moving part 3 can be stably connected to the fixed seat 1 during use. The installation block and the fixed seat 1 can be connected by welding or bolts. The installation block provides support for the polishing part 2 during use to ensure that the polishing part 2, in conjunction with the moving part 3, polishes the valve stem at different positions.

[0031] like Figures 1 to 5As shown, the moving piece 3 includes a support block 301 which slides outside the fixed seat 1 and is connected with the guide block 104, and the support block 301 is internally provided with a connecting shaft 303 which rotates inside the support block 301 and penetrates the support block 301, and the shaft center line of the support block 301 is parallel to the length direction of the fixed seat 1, and the connecting shaft 303 is externally sleeved with a mounting pipe 302 which is connected with the support block 301, and one end of the connecting shaft 303 is provided with a clamp 305, and the support block 301 is externally provided with a connecting block 304 which slides inside the guide groove 102, and specifically, the support block 301 and the guide block 104 can be connected by welding or bolts, so as to ensure that the support block 301 can stably move along the guide groove 103, and the support block 301 is further provided with a motor which is installed inside the support block 301 through the mounting pipe 302 during use, and the output end of the motor is connected with the connecting shaft 303, so as to drive the clamp 305 to rotate through the connecting shaft 303 during use, and the connecting block 304 guides the support block 301 in cooperation with the guide groove 102 during use, so as to ensure that the support block 301 can stably move, and the clamp 305 can fix the valve stem during use, so as to ensure that the valve stem can stably polish, and the clamp 305 is prior art and will not be explained here.

[0032] As shown in the figure, Figures 1 to 5 The polishing piece 2 includes an expansion pipe 201 which is arranged inside the mounting block and penetrates the mounting block, and the shaft center line of the expansion pipe 201 is parallel to the shaft center line of the connecting shaft 303, and the expansion pipe 201 is externally provided with a plurality of connecting rings 202 which slide outside the expansion pipe 201 and are connected with the mounting block, and the expansion pipe 201 is further provided with a polishing block 203 relative to the end of the clamp 305, and specifically, when the valve stem needs to be polished, the expansion pipe 201 is first connected with the mounting block through the connecting ring 202, so as to ensure that the expansion pipe 201 can rotate inside the mounting block, and the connecting ring 202 and the expansion pipe 201 are connected by bolts, so as to adjust and fix the position of the expansion pipe 201 in cooperation with the connecting ring 202 during use, so that the expansion pipe 201 can be positionally adjusted according to the length of the valve stem, and the valve stem is polished at different positions in cooperation with the polishing block 203 during the rotation of the expansion pipe 201, and the shape of the expansion pipe 201 can be hexagonal or square, so as to ensure that the expansion pipe 201 can synchronously rotate with the connecting ring 202.

[0033] As shown in the figure, Figures 1 to 5As shown, the driving member 4 includes a driving shaft 404, the driving shaft 404 rotates inside the guide groove 102, the driving shaft 404 is respectively provided with a second gear 402 and a connecting sleeve 403 at both ends, the outer side of the second gear 402 is provided with a third gear 405, and the third gear 405 is connected with the connecting block 304, the outer side of the second gear 402 and the third gear 405 is respectively engaged with a first gear 401, and the first gear 401 is connected with the telescopic pipe 201 and the connecting shaft 303, specifically, in the polishing process of the valve rod, first, the outer first gear 401 is driven to rotate through the connecting shaft 303, the rotating first gear 401 drives the second gear 402 to rotate through the cooperation of the third gear 405 and the driving shaft 404, the rotating second gear 402 drives the telescopic pipe 201 and the polishing block 203 to rotate through the cooperation of the first gear 401 on the outer side of the telescopic pipe 201, thereby achieving the polishing of the valve rod, the diameter of the third gear 405 is smaller than that of the second gear 402, so that the rotating speed of the connecting shaft 303 and the telescopic pipe 201 is adjusted in the use process, and synchronous rotation of the valve rod relative to the telescopic pipe 201 is avoided, the driving shaft 404 can be hexagonal or square columnar, the connecting sleeve 403 can slide along the driving shaft 404 while driving the third gear 405 to rotate synchronously with the driving shaft 404 in the use process, and the third gear 405 and the connecting sleeve 403 slide along the driving shaft 404 through the connecting block 304 during the movement of the supporting block 301, so that the valve rod is polished at different positions.

[0034] As shown in the drawings, Figures 1 to 5 The control member 101 includes a servo motor, the servo motor is connected with the fixed seat 1, the output end of the servo motor is provided with a threaded rod, the outer side of the threaded rod is provided with a silk sleeve, and the silk sleeve is connected with the supporting block 301, and specifically, in the use process, the valve rod is polished at different positions according to the length of the valve rod through the cooperation of the servo motor, the screw rod and the silk sleeve.

[0035] The basic principle, main characteristics and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.

Claims

1. A stainless steel valve stem polisher characterized by, Include: Fixed seat (1), the fixed seat (1) is internally provided with control (101), the fixed seat (1) is externally provided with guide slot (102); Moving piece (3), setting in fixed seat (1) outside, for driving valve stem to move; Driving piece (4), setting in moving piece (3) inside, for driving valve stem to rotate; Polishing piece (2), setting in fixed seat (1) outside, for polishing different positions of valve stem.

2. A stainless steel valve stem polishing machine as defined in claim 1, wherein, The fixed seat (1) is externally provided with guide groove (103), the guide groove (103) is multiple, and the guide groove (103) is arranged on both sides of the guide slot (102), the guide groove (103) is internally provided with guide block (104), and the fixed seat (1) is externally provided with mounting block.

3. A stainless steel valve stem polishing machine as defined in claim 2 wherein, The moving piece (3) includes support block (301), the support block (301) is slid on the outside of the fixed seat (1), and the support block (301) is connected with the guide block (104), the support block (301) is internally provided with connecting shaft (303), the connecting shaft (303) rotates in the support block (301), the connecting shaft (303) penetrates the support block (301), and the support block (301) axis is parallel to the length direction of the fixed seat (1), the connecting shaft (303) is externally provided with mounting pipe (302), and the mounting pipe (302) is connected with the support block (301), one end of the connecting shaft (303) is provided with clamp (305), the support block (301) is externally provided with connecting block (304), and the connecting block (304) is slid in the guide slot (102).

4. The stainless steel valve stem polishing machine of claim 2, wherein, The polishing piece (2) includes telescopic pipe (201), the telescopic pipe (201) is arranged in the mounting block, the telescopic pipe (201) penetrates the mounting block, and the telescopic pipe (201) axis is parallel to the connecting shaft (303) axis, a plurality of connecting rings (202) are provided on the outside of the telescopic pipe (201), the connecting ring (202) is slid on the outside of the telescopic pipe (201), and the connecting ring (202) is connected with the mounting block, the telescopic pipe (201) is further provided with polishing block (203) relative to the end of the clamp (305).

5. A stainless steel valve stem polishing machine as defined in claim 2 wherein, The driving piece (4) includes driving shaft (404), the driving shaft (404) rotates in the guide slot (102), the second gear (402) and the connecting sleeve (403) are respectively arranged at both ends of the driving shaft (404), the third gear (405) is arranged on the outside of the second gear (402), and the third gear (405) is connected with the connecting block (304), the first gear (401) is engaged on the outside of the second gear (402) and the third gear (405), and the first gear (401) is connected with the telescopic pipe (201) and the connecting shaft (303) respectively.

6. A stainless steel valve stem polishing machine as defined in claim 1 wherein, The control (101) includes a servo motor, the servo motor is connected with the fixed seat (1), the output end of the servo motor is provided with a threaded rod, the threaded rod is externally provided with a silk sleeve, and the silk sleeve is connected with the support block (301).