Stainless steel valve rod polishing machine

Abstract

The utility model is suitable for the technical field of stainless steel valve rod machining, and provides a stainless steel valve rod polishing machine. The L-shaped frame and the vertical plate are fixedly mounted on the bottom plate; the valve rod driving mechanism is mounted on one side of the L-shaped frame and is used for driving a plurality of valve rods to rotate; the lifting mechanism is arranged on the L-shaped frame and is used for controlling a valve rod to move up and down; the multiple polishing mechanisms are located on one side of the vertical plate and used for polishing the multiple pieces of stainless steel; and the transverse moving mechanisms are mounted on the vertical plate and used for driving the polishing mechanisms to transversely move. According to the stainless steel valve rod polishing machine, the stainless steel valve rods can be polished, multi-stage polishing can be conducted on the multiple stainless steel valve rods at the same time, and the polishing efficiency is high.

Description

TECHNICAL FIELD

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

[0002] Stainless steel valve rod is important part in valve, it is not only moving piece, force piece in valve opening and closing process, but also sealing piece, will receive medium's impact, corrosion and the friction with packing etc., therefore, the selection and quality of valve rod material are very important. In the process of stainless steel valve rod processing, the surface of stainless steel valve rod needs to be polished by using polishing machine.

[0003] But the existing stainless steel valve rod polishing machine often cannot simultaneously carry out multistage polishing to multiple stainless steel valve rods, and the polishing efficiency is low. UTILITY MODEL CONTENTS

[0004] The utility model provides a stainless steel valve rod polishing machine, aims at solving the problem of low polishing efficiency of the existing stainless steel valve rod polishing machine which often cannot simultaneously carry out multistage polishing to multiple stainless steel valve rods.

[0005] In order to solve the above problems, the utility model is realized in this way, a stainless steel valve rod polishing machine, it include: bottom plate, fixed installation on the L type frame and vertical board of bottom plate, the vertical section of L type frame is solid with bottom plate, install in the L type frame one side for driving multiple valve rod rotation's valve rod drive mechanism, set up in the L type frame for controlling the up and down movement of valve rod's lifting mechanism, be located vertical board one side for polishing multiple stainless steel's multiple polishing mechanism, install in the vertical board for driving multiple polishing mechanism transverse movement's multiple horizontal displacement mechanism.

[0006] Preferably, the lifting mechanism comprises: a servo motor fixedly installed on the horizontal section of the L-shaped frame; a screw rod rotatably installed at one end on the bottom plate and rotatably connected with the horizontal section of the L-shaped frame, the other end of the screw rod being fixedly connected with the output shaft of the servo motor; and a lifting plate threadedly sleeved on the screw rod.

[0007] Preferably, a limiting rod is fixedly installed on the bottom plate, the top of the limiting rod being fixedly connected with the horizontal section of the L-shaped frame, and the limiting rod being slidably connected with the lifting plate.

[0008] Preferably, the valve rod driving mechanism comprises an L-shaped plate fixedly installed on the lifting plate, a vertical section of the L-shaped plate being fixedly connected with the lifting plate; a plurality of rotating shafts arranged in a straight line are rotatably installed on a horizontal section of the L-shaped plate; a plurality of self-tightening clamps are fixedly installed at bottom ends of the rotating shafts and below the horizontal section of the L-shaped plate; a driving motor with a single-groove synchronous wheel is fixedly installed on the horizontal section of the L-shaped plate; a plurality of double-groove synchronous wheels are fixedly sleeved at top portions of the rotating shafts; and a plurality of synchronous belts are sleeved on the single-groove synchronous wheel and the double-groove synchronous wheels.

[0009] Preferably, the horizontal moving mechanism comprises a horizontal hydraulic cylinder fixedly installed on the vertical plate; a rectangular plate fixedly installed on an output rod of the hydraulic cylinder; a plurality of sliding rods slidably installed on the rectangular plate; a same mounting seat fixedly installed at one end of the sliding rods; a plurality of first springs slidably sleeved on the sliding rods and located between the rectangular plate and the mounting seat; and a plurality of limiting blocks fixedly installed on the sliding rods and facing the hydraulic cylinder.

[0010] Preferably, one side of the mounting seat is provided with a slot and a mounting groove, the slot being located below the mounting groove and being in communication with the mounting groove.

[0011] Preferably, the polishing mechanism comprises a mounting plate installed on the mounting seat; a polishing sheet installed on the mounting plate; an insertion block fixedly installed on the mounting plate and matched with the slot; and a pin hole formed in the insertion block.

[0012] Preferably, an inner wall of the mounting groove is provided with a locking mechanism for locking the insertion block in the slot, the locking mechanism comprising a pin rod slidably installed on the inner wall of the mounting groove and matched with the pin hole at one end; a sleeve plate fixedly sleeved on the pin rod and located in the mounting groove; a second spring slidably sleeved on the pin rod and located between the sleeve plate and a top portion of the mounting groove; and a pull ring fixedly installed at a top end of the pin rod.

[0013] Preferably, one side of the L-shaped frame is provided with a controller, the controller being electrically connected with the servo motor, the driving motor and the hydraulic cylinder.

[0014] Compared with the related art, the stainless steel valve rod polishing machine has the following beneficial effects:

[0015] Compared with the prior art, the stainless steel valve rod polishing machine provided by the scheme comprises a bottom plate as a stable foundation, an L-shaped frame and a vertical plate are fixedly installed on the bottom plate to construct a machine frame, a valve rod driving mechanism is installed on one side of the L-shaped frame and is used for driving multiple valve rods to rotate synchronously, uniform stress on the surface of the valve rod during polishing is ensured, a lifting mechanism is further arranged on the L-shaped frame and is used for accurately controlling the up-down movement of the valve rod, polishing position and force are conveniently adjusted, multiple polishing mechanisms are arranged on one side of the vertical plate and are used for efficiently polishing multiple stainless steel valve rods, meanwhile, multiple horizontal moving mechanisms are installed on the vertical plate and are used for driving the polishing mechanisms to move in the horizontal direction, contact or separation between the polishing mechanisms and the multiple stainless steel valve rods is realized, the automation and high efficiency of the valve rod polishing process are realized through the integrated design, the polishing quality and production efficiency are significantly improved, the labor cost is reduced, and the flexibility and accuracy of polishing are further enhanced through the cooperation of the polishing mechanisms and the horizontal moving mechanisms, and the surface treatment of the stainless steel valve rod has significant beneficial effects. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a front view structural schematic diagram of a stainless steel valve rod polishing machine provided by the utility model;

[0017] Figure 2 is Figure 1 a three-dimensional structural schematic diagram of the valve rod driving mechanism in the middle;

[0018] Figure 3 is Figure 1 an enlarged structural schematic diagram of the A part shown in the middle.

[0019] The drawings show that: 1, bottom plate; 2, L-shaped frame; 3, vertical plate; 4, servo motor; 5, screw rod; 6, lifting plate; 7, limiting rod; 8, L-shaped plate; 9, rotating shaft; 10, self-tightening clamp; 11, driving motor; 12, single-groove synchronous wheel; 13, double-groove synchronous wheel; 14, hydraulic cylinder; 15, rectangular plate; 16, sliding rod; 17, mounting seat; 18, first spring; 19, limiting block; 20, insertion groove; 21, mounting groove; 22, mounting plate; 23, polishing piece; 24, insertion block; 25, pin hole; 26, pin rod; 27, cover plate; 28, second spring; 29, pull ring; 30, controller. DETAILED DESCRIPTION

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application; the use herein of terms such as "comprise", "comprising", "comprises", "including", "includes" or "have" or "has" are used generically and are intended to encompass the terms "including", "includes" or "have" or "has" as well as even the more restrictive terms such as "consisting essentially of" or "consists essentially of". The use herein of terms such as "first", "second" and the like are used generically and are not intended to convey a specific order or priority; the use herein of terms such as "inner", "outer", "left", "right" and the like are used generically and are not intended to convey a specific orientation or location; the use herein of the terms "include", "including", "have", "has" or the like are used generically and are intended to convey the inclusions of one or more things that are described or claimed.

[0021] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase "in an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily all directed to the same embodiments. It is explicitly contemplated that embodiments described herein can be combined with each other.

[0022] The utility model discloses a kind of stainless steel valve stem polishing machines, as shown in Figures 1-3 The stainless steel valve stem polishing machine includes: bottom plate 1;L-shaped frame 2 and vertical plate 3 fixedly installed on the bottom plate 1, the vertical section of the L-shaped frame is fixed to the bottom plate;Valve stem driving mechanism for driving multiple valve stems to rotate is installed on one side of the L-shaped frame 2;Lifting mechanism for controlling the up and down movement of valve stem is arranged on the L-shaped frame 2;Multiple polishing mechanisms for polishing multiple stainless steels are located on one side of vertical plate 3;Multiple horizontal movement mechanisms for driving multiple polishing mechanisms to move horizontally are installed on the vertical plate 3.

[0023] In the embodiment, the bottom plate 1 is included as a stable base, the L-shaped frame 2 and the vertical plate 3 are fixedly installed on the bottom plate 1 to construct a machine frame, the vertical section of the L-shaped frame is fixedly connected with the bottom plate, the valve rod driving mechanism is installed on one side of the L-shaped frame 2 for driving multiple valve rods to rotate synchronously, the lifting mechanism is arranged on the L-shaped frame 2 for accurately controlling the up-down movement of the valve rods, the polishing position and force are adjusted conveniently, multiple polishing mechanisms are arranged on one side of the vertical plate 3 for efficiently polishing multiple stainless steel valve rods, meanwhile, multiple horizontal moving mechanisms are installed on the vertical plate 3 for driving the polishing mechanisms to move in the horizontal direction, the polishing mechanisms are contacted with or separated from the multiple stainless steel valve rods, the automation and efficiency of the valve rod polishing process are realized through the integrated design, the polishing quality and production efficiency are significantly improved, the labor cost is reduced, and the flexibility and accuracy of polishing are further enhanced through the cooperation of the polishing mechanisms and the horizontal moving mechanisms, and the surface treatment of the stainless steel valve rod has remarkable beneficial effects.

[0024] In the further preferable embodiment of the utility model, the lifting mechanism comprises: a servo motor 4 fixedly installed on the horizontal section of the L-shaped frame 2; a screw rod 5 rotatably installed on the bottom plate 1 and rotatably connected with the horizontal section of the L-shaped frame 2, one end of the screw rod 5 is rotatably connected with the output shaft of the servo motor 4; and a lifting plate 6 threadedly sleeved on the screw rod 5.

[0025] In the embodiment, the lifting plate 6 is driven to move up and down by the servo motor 4 driving the screw rod 5 to rotate, and the multiple stainless steel valve rods are driven to move up and down by the valve rod driving mechanism.

[0026] In the further preferable embodiment of the utility model, a limiting rod 7 is fixedly installed on the bottom plate 1, the top of the limiting rod 7 is fixedly connected with the horizontal section of the L-shaped frame, and the limiting rod 7 is slidably connected with the lifting plate 6.

[0027] In the embodiment, the lifting plate 6 is guided and limited by the limiting rod 7.

[0028] In the further preferable embodiment of the utility model, the valve rod driving mechanism comprises: an L-shaped plate 8 fixedly installed on the lifting plate 6, the vertical section of the L-shaped plate is fixedly connected with the lifting plate; multiple rotating shafts 9 rotatably installed on the horizontal section of the L-shaped plate 8 and arranged in a straight line; multiple self-tightening clamps 10 fixedly installed at the bottom ends of the multiple rotating shafts 9 and below the horizontal section of the L-shaped plate; a driving motor 11 fixedly installed on the horizontal section of the L-shaped plate 8 and provided with a single-groove synchronous wheel 12; multiple double-groove synchronous wheels 13 fixedly sleeved at the top of the multiple rotating shafts 9; and multiple synchronous belts sleeved on the single-groove synchronous wheel 12 and the multiple double-groove synchronous wheels 13.

[0029] In the embodiment, the plurality of rotating shafts 9 can be driven to rotate by the motor 11, the single-groove synchronous wheel 12, the plurality of double-groove synchronous wheels 13 and the plurality of synchronous belts, and the plurality of stainless steel valve stems can be driven to rotate by the plurality of self-tightening clamps 10. The self-tightening clamp is a mechanical device capable of automatically adjusting the clamping force according to the external load, mainly used for clamping workpieces or tools to ensure stability and reliability during processing. Its core feature is to achieve self-locking or force amplification function through mechanical structure, without the need for additional power source to maintain the clamping state. Its working principle includes mechanical self-locking mechanism: using wedge, cone sleeve, spring and other structures, when the clamp is subjected to external force (such as cutting force, torque), the internal components interact to generate clamping force that increases synchronously with the load. Dead point positioning or elastic deformation: part of the clamp achieves locking through the dead point position (three points collinear) of the connecting rod mechanism, or uses the elastic deformation of the spring cone sleeve to uniformly transmit the clamping force, avoiding surface indentation of the workpiece. The above are prior art, which will not be described here.

[0030] In the further preferred embodiment of the utility model, the horizontal moving mechanism comprises: a hydraulic cylinder 14 horizontally fixedly installed on the vertical plate 3; a rectangular plate 15 fixedly installed on the output rod of the hydraulic cylinder 14; a plurality of sliding rods 16 slidingly installed on the rectangular plate 15; a same mounting seat 17 fixedly installed at one end of the plurality of sliding rods 16; a plurality of first springs 18 slidingly sleeved on the plurality of sliding rods 16 and located between the rectangular plate and the mounting seat; and a plurality of limiting blocks 19 fixedly installed on the side of the plurality of sliding rods 16 facing the hydraulic cylinder.

[0031] In the embodiment, the polishing mechanism can be moved horizontally by the hydraulic cylinder 14.

[0032] In the further preferred embodiment of the utility model, one side of the mounting seat 17 is provided with a slot 20 and a mounting groove, and the slot is located below the mounting groove 21 and communicates with each other.

[0033] In the embodiment, the plug 20 can be inserted with the plug 24, and the mounting groove 21 can be installed with the locking mechanism.

[0034] In the further preferred embodiment of the utility model, the polishing mechanism comprises: a mounting plate 22 installed on the mounting seat 17; a polishing sheet 23 installed on the mounting plate 22; a plug 24 fixedly installed on the mounting plate 22 and matched with the slot 20; and a pin hole 25 opened on the plug 24.

[0035] In the embodiment, the plug 24 with the pin hole 25 and the locking mechanism can be used to install and dismount the polishing mechanism, and the polishing sheet 23 can be used to polish the stainless steel valve stem.

[0036] The further preferable embodiment of the utility model further provides a locking mechanism on the inner wall of the mounting groove 21, the locking mechanism is used for locking the plug block 24 on the plug groove 20, and the locking mechanism comprises: a pin rod 26 slidingly installed on the inner wall of the mounting groove 21 and one end of the pin rod 26 is matched with the pin hole 25; a sleeve plate 27 fixedly sleeved on the pin rod 26 and located in the mounting groove; a second spring 28 slidingly sleeved on the pin rod 26 and located between the sleeve plate and the top of the mounting groove; and a pull ring 29 fixedly installed at the top end of the pin rod 26.

[0037] In the embodiment, the sleeve plate 27 is rebounded by the second spring 28, so that the pin rod 26 is clamped into the inside of the pin hole 25, thereby locking the plug block 24 in the plug groove 20; by pulling the pull ring 29, the pin rod 26 is separated from the pin hole 25, so that the plug block 24 can be pulled out, thereby facilitating the disassembly and replacement of the polishing mechanism to replace the polishing piece 23 of different mesh.

[0038] The further preferable embodiment of the utility model further provides that one side of the L-shaped frame 2 is provided with a controller 30, and the controller 30 is electrically connected with the servo motor 4, the driving motor 11 and the hydraulic cylinder 14.

[0039] In the embodiment, the servo motor 4, the driving motor 11 and the hydraulic cylinder 14 can be operated and controlled by the controller 30.

[0040] Compared with the related art, the device can not only polish the stainless steel valve rod, but also can simultaneously polish multiple stainless steel valve rods in multiple stages, and the polishing efficiency is high.

[0041] In the several embodiments provided in the present application, it should be understood that the disclosed device can be implemented in other ways.

[0042] The above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit the protection scope of the utility model. Obviously, the described embodiments are only some of the embodiments of the utility model, not all the embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add or delete the features in the embodiments of the utility model according to the circumstances without creative labor, so as to obtain different other technical solutions which do not deviate from the concept of the utility model, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A stainless steel valve stem polisher characterized by, The utility model relates to a stainless steel valve rod polishing device, including: The bottom plate is fixedly installed on the L-shaped frame and the vertical plate, the vertical section of the L-shaped frame is fixedly connected with the bottom plate, the valve rod driving mechanism for driving the rotation of the plurality of valve rods is installed on one side of the L-shaped frame, the lifting mechanism for controlling the up-down movement of the valve rod is arranged on the L-shaped frame, the plurality of polishing mechanisms for polishing the plurality of stainless steel are arranged on one side of the vertical plate, and the plurality of transverse moving mechanisms for driving the transverse movement of the plurality of polishing mechanisms are installed on the vertical plate. The lifting mechanism includes a servo motor fixedly installed on the horizontal section of the L-shaped frame, a screw rod rotatably installed on the bottom plate and rotatably connected with the horizontal section of the L-shaped frame, the other end of the screw rod is fixedly connected with the output shaft of the servo motor, and a lifting plate is threadedly sleeved on the screw rod.

2. The stainless steel valve stem polisher of claim 1, wherein, A limiting rod is fixedly installed on the bottom plate, the top of the limiting rod is fixedly connected with the horizontal section of the L-shaped frame, and the limiting rod is slidably connected with the lifting plate.

3. The stainless steel valve stem polisher of claim 2, wherein, The valve rod driving mechanism includes an L-shaped plate fixedly installed on the lifting plate, the vertical section of the L-shaped plate is fixedly connected with the lifting plate, a plurality of rotating shafts distributed in a straight line are rotatably installed on the horizontal section of the L-shaped plate, a plurality of self-tightening clamps are fixedly installed at the bottom ends of the rotating shafts and below the horizontal section of the L-shaped plate, a driving motor with a single-groove synchronous wheel is fixedly installed on the horizontal section of the L-shaped plate, a plurality of double-groove synchronous wheels are fixedly sleeved at the top of the rotating shafts, and a plurality of synchronous belts are sleeved on the single-groove synchronous wheel and the plurality of double-groove synchronous wheels.

4. The stainless steel valve stem polisher of claim 2, wherein, The transverse moving mechanism includes a horizontal hydraulic cylinder fixedly installed on the vertical plate, a rectangular plate fixedly installed on the output rod of the hydraulic cylinder, a plurality of sliding rods slidably installed on the rectangular plate, a same mounting seat fixedly installed at one end of the sliding rods, a plurality of first springs slidably sleeved on the sliding rods and located between the rectangular plate and the mounting seat, and a plurality of limiting blocks fixedly installed on the side of the sliding rods facing the hydraulic cylinder.

5. The stainless steel valve stem polisher of claim 4, wherein, A slot and a mounting slot are formed in one side of the mounting seat, and the slot is located below the mounting slot and communicates with the mounting slot.

6. The stainless steel valve stem polisher of claim 5, wherein, The polishing mechanism includes a mounting plate installed on the mounting seat, a polishing sheet installed on the mounting plate, an insertion block fixedly installed on the mounting plate and matched with the slot, and a pin hole formed in the insertion block.

7. The stainless steel valve stem polisher of claim 6, wherein, A locking mechanism is arranged on the inner wall of the mounting slot, the locking mechanism is used for locking the insertion block on the slot, and the locking mechanism includes a pin rod slidably installed on the inner wall of the mounting slot and matched with the pin hole at one end, a sleeve plate fixedly sleeved on the pin rod and located in the mounting slot, a second spring slidably sleeved on the pin rod and located between the sleeve plate and the top of the mounting slot, and a pull ring fixedly installed at the top end of the pin rod.

8. The stainless steel valve stem polisher of claim 7, wherein, A controller is arranged on one side of the L-shaped frame, and the controller is electrically connected with the servo motor, the driving motor and the hydraulic cylinder.

9. The stainless steel valve stem polisher of claim 5, wherein, ​

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