CN214024844U

CN214024844U - Reciprocating swing type valve inner cavity grinding device

Info

Publication number: CN214024844U
Application number: CN202022422506.5U
Authority: CN
Inventors: 夏轩; 陈浩; 徐林章; 余建丰
Original assignee: Zhejiang Hengnuo Valve Manufacturing Co ltd
Current assignee: Zhejiang Hengnuo Valve Manufacturing Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-08-24
Anticipated expiration: 2030-10-27

Abstract

The utility model provides a reciprocal oscillating valve inner chamber grinding device, which comprises a base, be equipped with vertical support column on the base, be equipped with first supporting shoe on the vertical support column, be equipped with first guide rail on the first supporting shoe, all be equipped with first slider on two first guide rails, the outside of first supporting shoe is equipped with the second supporting shoe, be equipped with the motor cabinet on the second supporting shoe, be equipped with high-speed spindle motor on the motor cabinet, be equipped with the emery wheel on the high-speed spindle motor, be equipped with first step motor on the first supporting shoe, the side of motor cabinet is equipped with the stock, be equipped with the weight on the stock, be equipped with the ring post on the motor cabinet, be equipped with convex breach on the ring post, be equipped with the swing stopper on the second supporting shoe, be equipped with the backup pad on the base, be equipped with the chuck in the backup pad, base department is equipped with electric lift rod, be equipped with the supporting disk on the electric lift rod, be equipped with the support column in the backup pad, each support column is fixed on the supporting disk. The utility model discloses can carry out the grinding to valve inner chamber smooth, reduce the resistance of valve body inner chamber to the fluid, be worth popularizing and applying.

Description

Reciprocating swing type valve inner cavity grinding device

Technical Field

The utility model relates to a device, especially a reciprocal oscillating valve inner chamber grinding device.

Background

The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems.

In the course of working at the valve, need to polish the polishing to the valve inner chamber and handle, its main objective reduces the resistance of valve inner chamber, because the valve body all adopts cast form to make, so valve inner chamber surface is unsmooth and crude, need polish smoothly to the valve inner chamber, with the damping coefficient who reduces the fluid when carrying, energy loss when reducing fluid transport, required consumption when reducing transport fluid, do not have the specialty at present and carry out the device of grinding to the valve body inner chamber, consequently polish by the handheld polisher of workman mostly to the polish of valve body inner chamber, but this kind of mode of polishing efficiency is very low, and the incident takes place easily, cause the injury to the workman.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve above-mentioned prior art's shortcoming, provide one kind and can carry out the reciprocal oscillating valve inner chamber grinding device that mechanical automation polished to valve inner chamber, satisfied valve inner chamber polish efficient, the recruitment is few, with low costs, the difficult demand that takes place the incident.

The utility model provides a technical scheme that its technical problem adopted: the reciprocating swing type valve inner cavity grinding device comprises a base, wherein a vertical support column is fixed on the side edge of the base, a first support block is fixed on the vertical support column, first guide rails are respectively fixed on the top end and the side end of the first support block, a first slide block is connected on the two first guide rails in a sliding manner, a second support block fixed on the two first slide blocks is arranged on the outer side of the first support block, a motor base is connected on the second support block in a rotating manner, a high-speed spindle motor is fixed on the motor base, a grinding wheel is fixed on a rotating shaft of the high-speed spindle motor, a first stepping motor for driving the second support block to reciprocate left and right in the X direction is fixed on the side edge of the first support block, a long rod is fixed on the side edge of the motor base, a heavy hammer fixed through a fastener is installed on the long rod, a cylinder rotatably connected on the second support block is fixed on the inner side of the motor base, and is provided with an arc-shaped notch, the outside of second supporting shoe is fixed with and is used for the spacing swing stopper of motor cabinet swing angle with the cooperation of convex breach, is equipped with the backup pad on the base, is fixed with the chuck in the backup pad, and base department is fixed with electric lift rod, is fixed with the supporting disk on electric lift rod's the lifter, is fixed with a set of support column that sets up along backup pad center equipartition on the bottom surface of backup pad, and the bottom of each support column is all fixed on the supporting disk. The first guide rail, the first supporting block, the first stepping motor and the second supporting block are used for driving the motor base to move along the X direction, so that the high-speed spindle motor is driven to move left and right along the X direction; the motor base, the high-speed spindle motor and the grinding wheel have the effects that the grinding wheel can be driven to rotate at a high speed, so that the inner cavity of the valve can be ground and smoothly operated, and the resistance effect of the inner cavity of the valve can be reduced; the long rod and the heavy hammer have the effects that the motor base can be driven to rotate anticlockwise to be attached to the position of the inner cavity of the valve, and further the inner cavity of the valve can be ground and smoothly operated, so that the motor base can passively swing in a left-right reciprocating mode according to the protrusions and the recesses of the inner cavity of the valve to enable the grinding wheel to clean the regions with unsmooth protrusions and recesses, the position of the heavy hammer can be adjusted on the long rod, and therefore the lateral pressure of the grinding wheel on the contour surface of the inner cavity of the valve can be adjusted; the cylinder, the arc-shaped notch and the swing limiting block have the functions of limiting the maximum swing angle of the motor base; the chuck, the electric lifting rod, the supporting disc and the supporting column have the functions that the valve can be fixed on the chuck and can be driven to move up and down, so that the inner cavity of the valve can be ground conveniently; the electric lifting rod is a product existing in the market, and can be selected from products of Wuxi Elter Linear motion mechanical Co., Ltd, the American THOMSON and the like.

Further perfection, a cooling liquid pipe is fixed on the first supporting block, and the liquid outlet end of the cooling liquid pipe is located on the lateral side of the grinding wheel. The effect of coolant pipe here is, can let in the coolant liquid to the emery wheel not only can cool down when carrying out the grinding to the valve inner chamber, reduces the wearing and tearing of emery wheel, also can in time take away the iron fillings that the grinding got off, thereby can increase the smoothness of valve inner chamber.

Further perfect, be fixed with angle sensor on the second supporting shoe, be fixed with first synchronous pulley in angle sensor's the pivot, the inboard of motor cabinet is equipped with the second synchronous pulley of fixing on the cylinder, install the hold-in range between first synchronous pulley and the second synchronous pulley, the outside of base is equipped with the PLC switch board that contains the PLC controller, set up the switch on the PLC switch board, controller and switch in the PLC switch board, first step motor, high-speed spindle motor, angle sensor and electric lift pole line connection are in the same place. The angle sensor, the first synchronous belt wheel, the second synchronous belt wheel and the synchronous belt have the effects that the swinging angle of the motor base when the motor base is driven can be provided for the PLC control cabinet, so that the position of the motor base can be compensated and moved through the second stepping motor, the swinging angle of the motor base is always controlled in a reasonable range, and the grinding amount of an inner cavity of the valve cannot be too much or too little; the PLC controller in the PLC control cabinet is an existing product on the market, the PLC controller in the scheme is a universal programmable logic controller on the market, and the universal brands such as Mitsubishi PLC, Schneider PLC, Nikon Unitronics, Taida PLC, Panasonic PLC and the like can be selected; in addition, the program setting of the PLC controller is basically consistent with the principle of a setting method passing through the market, and common technicians can set program instructions according to the requirements of processing speed and efficiency, so that the method is fast in aspect; the angle sensor is a product existing in the market, and can be selected from Shanghai Europe and pasture electronic technology Co., Ltd, Shanghai Huige technology development Co., Ltd, and the like.

Further perfection, the motor base is fixed with an outer cover covering the high-speed spindle motor. The outer cover has the function of protecting the high-speed spindle motor.

Further perfect, the base includes first body, and it has the first horizontal perforation of a set of interval equipartition setting to open on the first body, and vertical support column includes the second body, and it has the second horizontal hole of a set of interval equipartition setting to open on the second body. The first body, the first transverse through hole, the second body and the second transverse hole are used for greatly reducing the weight of the base and the weight of the vertical supporting column under the condition that the strength of the base and the strength of the vertical supporting column are not affected, so that the equipment is convenient to mount and transport.

The scrap iron cleaning device comprises a first shell, a first hollow roller rotationally connected with iron is fixed on the first shell, a first fixed column fixed on the first shell is arranged in the first hollow roller, a pair of second sliding blocks which are oppositely arranged and slidably connected with the first shell are arranged outside the first hollow roller, a first shaft rod is fixed between the two second sliding blocks, a first elastic pressing wheel is rotationally connected with the first shaft rod, a first compression spring for pressing the first elastic pressing wheel towards the first hollow roller is arranged on the side part of the second sliding block, a first arc plate is arranged below the first hollow roller at intervals, a liquid inlet is arranged on the first shell, a first inclined plate fixed on the first arc plate and the first shell is arranged below the liquid inlet, a first scraper attached to the outer contour of the first hollow roller is arranged on the side part of the first hollow roller, a first electromagnet layer is fixed on the outer contour surface of the fixed column, no first electromagnet layer is arranged on the outer contour surface of the first fixed column and positioned on two sides of the first scraper, a first servo motor for driving the first hollow roller to rotate is fixed on the first shell, and the first servo motor and the first electromagnet layer are connected with a PLC controller circuit in a PLC control cabinet; the base is provided with a notch, the chuck is arranged at the notch, a communicating pipe is arranged between the notch and the liquid inlet, the first shell is provided with a liquid outlet pipe, and a liquid container is arranged below the liquid outlet pipe. The scrap iron cleaning device has the functions of filtering the cutting fluid and recycling the cutting fluid, so that the cost is reduced; the working principle of the scrap iron cleaning device is as follows: cutting fluid mixed with iron filings reaches the first shell through the liquid inlet and reaches the first arc plate through the first inclined plate, at the moment, the first electromagnet layer is synchronously started, so that the partial area of the first hollow roller made of iron is magnetized to generate magnetic force, so that the iron filings in the cutting fluid are adsorbed to the first hollow roller, the first hollow roller is in a rotating state and can drive the adsorbed iron filings to roll and is pressed and moved through the elasticity of the first elastic pressing wheel, the situation that some iron filings are loosened and fall is avoided, when the iron filings pass through the two sides of the first scraping plate, the iron filings at the outer contour surface of the first hollow roller gradually lose the magnetic force, and the iron filings adsorbed by the magnetic force can be easily scraped by the first scraping plate due to the fact that the two sides of the first scraping plate are not provided with the first electromagnet layer; the first electromagnet layer generates magnetic force through electrification and is easy to control.

Further perfection, the outer side of the first scraper is provided with a material receiving frame. The effect of the material receiving frame is that the collected iron scraps can be recycled and placed.

The utility model discloses profitable effect is: the utility model has the advantages of ingenious and reasonable structural design, and the motor base can be driven to move along the X direction by utilizing the first guide rail, the first supporting block, the first stepping motor and the second supporting block, so that the high-speed spindle motor is driven to move along the X direction; the motor base, the high-speed spindle motor and the grinding wheel can be used for driving the grinding wheel to rotate at a high speed, so that the inner cavity of the valve can be ground and smoothly operated, and the resistance effect of the inner cavity of the valve can be reduced; the long rod and the heavy hammer are utilized to drive the motor base to rotate anticlockwise so as to be attached to the inner cavity of the valve, and further, the inner cavity of the valve can be ground and smoothly operated, so that the motor base can passively swing left and right according to the bulges and the depressions of the inner cavity of the valve, and the grinding wheel can clean the unsmooth areas of the bulges and the depressions; the circular ring column, the arc-shaped notch and the swing limiting block can limit the maximum swing angle of the motor base; utilize chuck, electric lift pole, supporting disk, support column to fix the valve on the chuck to drive the chuck and reciprocate, be convenient for carry out grinding to valve inner chamber and handle, the utility model discloses can carry out the grinding to valve inner chamber smoothly, reduce the resistance of valve body inner chamber to the fluid, be worth popularizing and applying.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is an oblique perspective view of the present invention with the outer cover removed;

FIG. 3 is an enlarged view of a portion of the area A of FIG. 2;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;

FIG. 5 is a cross-sectional view of the chuck region of the present invention in the X direction;

FIG. 6 is a schematic structural view of the area of the scrap iron cleaning device of the present invention;

FIG. 7 is a schematic structural view of the scrap iron cleaning device of the present invention;

fig. 8 is a cross-sectional view taken along line C-C of fig. 7.

Description of reference numerals: a base 1, a vertical supporting column 2, a first supporting block 3, a first guide rail 4, a first sliding block 5, a second supporting block 6, a motor base 7, a cylinder 7-1, an arc-shaped notch 7-1a, a second synchronous pulley 7-2, a high-speed spindle motor 8, a grinding wheel 9, a first stepping motor 10, a long rod 11, a heavy hammer 12, a supporting plate 13, a supporting column 13-1, a chuck 14, an electric lifting rod 15, a supporting plate 16, a cooling liquid pipe 17, an angle sensor 18, a synchronous belt 19, a PLC control cabinet 20, a switch 20-1, a housing 21, an iron scrap cleaning device 22, a first shell 22-1, a liquid inlet 22-1a, a first hollow roller 22-2, a first fixed column 22-3, a first electromagnet layer 22-3a, a second sliding block 22-4, a first shaft rod 22-5, a first elastic pressing wheel 22-6, the device comprises a first compression spring 22-7, a first arc plate 22-8, a first inclined plate 22-9, a first scraping plate 22-10, a first servo motor 22-11, a communicating pipe 22-12, a liquid outlet pipe 22-13, a liquid container 22-14, a material receiving frame 23, a valve 24 and a valve inner cavity 24-1.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

with reference to the accompanying drawings: the reciprocating swing type grinding device for the inner cavity of the valve comprises a base 1, wherein a vertical support column 2 is fixed on the side edge of the base 1, a first support block 3 is fixed on the vertical support column 2, first guide rails 4 are respectively fixed on the top end and the side end of the first support block 3, first sliding blocks 5 are respectively connected on the two first guide rails 4 in a sliding manner, a second support block 6 fixed on the two first sliding blocks 5 is arranged on the outer side of the first support block 3, a motor base 7 is connected on the second support block 6 in a rotating manner, a high-speed spindle motor 8 is fixed on the motor base 7, a grinding wheel 9 is fixed on a rotating shaft of the high-speed spindle motor 8, a first stepping motor 10 for driving the second support block 6 to reciprocate left and right in the X direction is fixed on the side edge of the first support block 3, a long rod 11 is fixed on the side edge of the motor base 7, a heavy hammer 12 fixed on the long rod 11 through a fastener is arranged, a cylinder 7-1 rotatably connected on the second support block 6 is fixed on the inner side edge of the motor base 7, the cylinder 7-1 is provided with an arc-shaped notch 7-1a, the outer side of the second supporting block 6 is fixedly provided with a swing limiting block 6-1 which is matched with the arc-shaped notch 7-1a and used for limiting the swing angle of the motor base 7, the base 1 is provided with a supporting plate 13, the supporting plate 13 is fixedly provided with a chuck 14, the base 1 is fixedly provided with an electric lifting rod 15, the lifting rod of the electric lifting rod 15 is fixedly provided with a supporting plate 16, the bottom surface of the supporting plate 13 is fixedly provided with a group of supporting columns 13-1 which are uniformly distributed along the center of the supporting plate 13, and the bottom ends of the supporting columns 13-1 are fixed on the supporting plate 16.

A cooling liquid pipe 17 is fixed on the first supporting block 3, and the liquid outlet end of the cooling liquid pipe 17 is positioned on the lateral direction of the grinding wheel 9.

An angle sensor 18 is fixed on the second supporting block 6, a first synchronous belt pulley 18-1 is fixed on a rotating shaft of the angle sensor 18, a second synchronous belt pulley 7-2 fixed on the cylinder 7-1 is arranged on the inner side of the motor base 7, a synchronous belt 19 is installed between the first synchronous belt pulley 18-1 and the second synchronous belt pulley 7-2, a PLC control cabinet 20 containing a PLC controller is arranged on the outer side of the base 1, a switch 20-1 is arranged on the PLC control cabinet 20, and the PLC controller in the PLC control cabinet 20 is in line connection with the switch 20-1, the first stepping motor 10, the high-speed spindle motor 8, the angle sensor 18 and the electric lifting rod 15.

An outer cover 21 for covering the high-speed spindle motor 8 is fixed on the motor base 7.

The base 1 comprises a first body 1-1, a group of first transverse through holes 1-1a are formed in the first body 1-1 at intervals and are uniformly distributed, the vertical supporting column 2 comprises a second body 2-1, and a group of second transverse holes 2-1a are formed in the second body 2-1 at intervals and are uniformly distributed.

The scrap iron cleaning device 22 is arranged at the base 1 and comprises a first shell 22-1, a first hollow roller 22-2 which is rotationally connected with iron is fixed on the first shell 22-1, a first fixed column 22-3 fixed on the first shell 22-1 is arranged in the first hollow roller 22-2, a pair of second sliding blocks 22-4 which are oppositely arranged and are connected with the first shell 22-1 in a sliding manner are arranged at the outer side of the first hollow roller 22-2, a first shaft lever 22-5 is fixed between the two second sliding blocks 22-4, a first elastic pressure roller 22-6 is rotationally connected on the first shaft lever 22-5, a first compression spring 22-7 which presses the first elastic pressure roller 22-6 towards the first hollow roller 22-2 is arranged at the side part of the second sliding block 22-4, first arc plates 22-8 are arranged below the first hollow roller 22-2 at intervals, a liquid inlet 22-1a is formed in the first shell 22-1, a first inclined plate 22-9 fixed to the first arc plate 22-8 and the first shell 22-1 is arranged below the liquid inlet 22-1a, a first scraper 22-10 attached to the outer contour of the first hollow roller 22-2 is arranged on the side of the first hollow roller 22-2, a first electromagnet layer 22-3a is fixed to the outer contour surface of the fixed column 22-3, the first electromagnet layer 22-3a is not arranged on the two sides of the first scraper 22-10 on the outer contour surface of the first fixed column 22-3, a first servo motor 22-11 for driving the first hollow roller 22-2 to rotate is fixed to the first shell 22-1, the first servo motor 22-11 and the first electromagnet layer 22-3a are connected with a PLC controller circuit in the PLC control cabinet 20; a notch 1a is arranged on the base 1, the chuck 14 is arranged at the notch 1a, a communicating pipe 22-12 is arranged between the notch 1a and the liquid inlet 22-1a, a liquid outlet pipe 22-13 is arranged on the first shell 22-1, and a liquid container 22-14 is arranged below the liquid outlet pipe 22-13.

The outer side of the first scraper 22-10 is provided with a receiving frame 23.

The utility model discloses a theory of operation: firstly, the valve 24 is arranged at the chuck 14 and clamped, then, the switch 20-1 is started, the PLC in the PLC control cabinet 20 starts the electric lifting rod 15 and drives the chuck 14 to move upwards, the chuck 14 moves upwards to synchronously drive the valve 24 to move upwards along the Z direction, so as to drive the side part of the flow passage of the valve 14 to stop at the grinding wheel 9, then the first stepping motor 10 is started, so as to drive the high-speed spindle motor 8 and the grinding wheel 9 fixed on the high-speed spindle motor 8 to move along the X direction, because the long rod 11 and the heavy hammer 12 can lead the high-speed spindle motor 9 to deviate towards the inner cavity side of the valve 24 and lean against the top end of the inner cavity of the valve 24, the high-speed spindle motor 8 is synchronously started and drives the grinding wheel 9 to rotate at a high speed, then the electric lifting rod 15 is started again and synchronously drives the chuck 14 to move upwards, so as to grind and smooth the inner cavity of the valve 24, when the grinding wheel 9 is driven to deflect and swing back and forth left and right along the contour of the recess or the protrusion, if the recess is too deep or the protrusion is too large, the angle deviation of the angle sensor 18 can be passed, so that the first stepping motor 10 is started to correct the position of the motor base 7, the left and right swinging of the motor base 7 can swing within a reasonable angle range (usually within a +/-1 degree left and right swinging range), the grinding amount of the inner cavity of the valve can be too large due to the too large swinging range, the working efficiency is reduced, the production cost is greatly increased (the grinding of the inner cavity of the valve aims to reduce the fluid resistance, only the inner cavity of the valve needs to be ground smoothly, the grinding operation of the recess or the protrusion in the inner cavity of the valve is not needed), when the inner cavity of the valve 24 is ground, the cooling liquid pipe 17 is continuously utilized to spray cutting liquid to wash away the ground chips, and the washed chips are absorbed and recovered by the scrap iron cleaning device 22, so that the cutting liquid becomes clean, and the clean cutting liquid can be recycled; the working principle of the iron scrap cleaning device 22 is as follows: the cutting fluid mixed with the iron filings reaches the fluid inlet 22-1a through the communicating pipe 22-12, so as to reach the first shell 22-1 and reach the first arc plate 22-8 through the first inclined plate 22-9, at the moment, the first electromagnet layer 22-3a is synchronously started, so that the partial area of the first hollow roller 22-2 of the iron is magnetized to generate magnetic force, so as to adsorb the iron filings in the cutting fluid to the first hollow roller 22-2, and the first hollow roller 22-2 is in a rotating state, so as to drive the adsorbed iron filings to roll and be pressed by the elasticity of the first elastic pressing wheel 22-6, so as to avoid the situation that some iron filings fall off, when the iron filings pass through the two sides of the first scraping plate 22-10, because the two sides of the first scraping plate 22-10 have no first electromagnet layer 22-3a, the iron pieces located at the outer peripheral surface of the first hollow cylinder 22-2 gradually lose magnetic force, and the iron pieces attracted by the lost magnetic force can be easily scraped off by the first scraper 22-10.

While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims

1. The utility model provides a reciprocal oscillating valve inner chamber grinding device, includes base (1), characterized by: the side edge of the base (1) is fixed with a vertical supporting column (2), a first supporting block (3) is fixed on the vertical supporting column (2), the top end and the side end of the first supporting block (3) are respectively fixed with a first guide rail (4), two first guide rails (4) are connected with a first sliding block (5) in a sliding manner, the outer side of the first supporting block (3) is provided with a second supporting block (6) fixed on the two first sliding blocks (5), the second supporting block (6) is connected with a motor base (7) in a rotating manner, a high-speed spindle motor (8) is fixed on the motor base (7), a grinding wheel (9) is fixed on a rotating shaft of the high-speed spindle motor (8), a first stepping motor (10) driving the second supporting block (6) to reciprocate left and right in the X direction is fixed on the side edge of the first supporting block (3), and a long rod (11) is fixed on the side edge of the motor base (7), the heavy hammer is characterized in that a heavy hammer (12) fixed through a fastener is installed on the long rod (11), a cylinder (7-1) rotatably connected to the second supporting block (6) is fixed on the inner side of the motor base (7), an arc-shaped notch (7-1a) is formed in the cylinder (7-1), a swing limiting block (6-1) matched with the arc-shaped notch (7-1a) and used for limiting the swing angle of the motor base (7) is fixed on the outer side of the second supporting block (6), a supporting plate (13) is arranged on the base (1), a chuck (14) is fixed on the supporting plate (13), an electric lifting rod (15) is fixed at the position of the base (1), a supporting plate (16) is fixed on the lifting rod of the electric lifting rod (15), a group of supporting columns (13-1) uniformly distributed along the center of the supporting plate (13) is fixed on the bottom surface of the supporting plate (13), the bottom end of each supporting column (13-1) is fixed on a supporting disc (16).

2. The grinding device for the inner cavity of the reciprocating swing type valve as claimed in claim 1, wherein: a cooling liquid pipe (17) is fixed on the first supporting block (3), and the liquid outlet end of the cooling liquid pipe (17) is located on the lateral direction of the grinding wheel (9).

3. The grinding device for the inner cavity of the reciprocating swing type valve as claimed in claim 1, wherein: an angle sensor (18) is fixed on the second supporting block (6), a first synchronous pulley (18-1) is fixed on a rotating shaft of the angle sensor (18), a second synchronous pulley (7-2) fixed on the cylinder (7-1) is arranged on the inner side of the motor base (7), a synchronous belt (19) is installed between the first synchronous pulley (18-1) and the second synchronous pulley (7-2), a PLC control cabinet (20) containing a PLC controller is arranged on the outer side of the base (1), a switch (20-1) is arranged on the PLC control cabinet (20), and the PLC controller in the PLC control cabinet (20) is connected with the switch (20-1), the first stepping motor (10), the high-speed spindle motor (8), the angle sensor (18) and the electric lifting rod (15) through lines.

4. The grinding device for the inner cavity of the reciprocating swing type valve as claimed in claim 1, wherein: and an outer cover (21) for covering the high-speed spindle motor (8) is fixed on the motor base (7).

5. The grinding device for the inner cavity of the reciprocating swing type valve as claimed in claim 1, wherein: the base (1) comprises a first body (1-1), a group of first transverse through holes (1-1a) are formed in the first body (1-1) at intervals and are uniformly distributed, the vertical supporting column (2) comprises a second body (2-1), and a group of second transverse through holes (2-1a) are formed in the second body (2-1) at intervals and are uniformly distributed.

6. The grinding device for the inner cavity of the reciprocating swing type valve as claimed in claim 2, wherein: the scrap iron cleaning device (22) is arranged at the position of the base (1), the scrap iron cleaning device (22) comprises a first shell (22-1), a first hollow roller (22-2) connected with iron in a rotating mode is fixed on the first shell (22-1), a first fixing column (22-3) fixed on the first shell (22-1) is arranged in the first hollow roller (22-2), a pair of second sliding blocks (22-4) which are oppositely arranged and connected to the first shell (22-1) in a sliding mode is arranged on the outer side of the first hollow roller (22-2), a first shaft rod (22-5) is fixed between the second sliding blocks (22-4), a first elastic pressing wheel (22-6) is connected to the first shaft rod (22-5) in a rotating mode, and a first elastic pressing wheel (22-6) is arranged on the side portion of the second sliding blocks (22-4) in a pressing mode and faces towards the first hollow shaft The first compression spring (22-7) is pressed at the side of the roller (22-2), a first arc plate (22-8) is arranged below the first hollow roller (22-2) at intervals, a liquid inlet (22-1a) is formed in the first shell (22-1), a first inclined plate (22-9) fixed to the first arc plate (22-8) and the first shell (22-1) is arranged below the liquid inlet (22-1a), a first scraper (22-10) attached to the outer contour of the first hollow roller (22-2) is arranged at the side of the first hollow roller (22-2), a first electromagnet layer (22-3a) is fixed to the outer contour surface of the fixed column (22-3), and the first electromagnet layer (22-3a) is arranged on the outer contour surface of the first fixed column (22-3) and located on two sides of the first scraper (22-10) A first servo motor (22-11) for driving the first hollow roller (22-2) to rotate is fixed on the first shell (22-1), and the first servo motor and the first electromagnet layer (22-3a) are connected with a PLC controller circuit in the PLC control cabinet (20) through circuits; be equipped with notch (1a) on base (1), install in notch (1a) department chuck (14), install communicating pipe (22-12) between notch (1a) and liquid inlet (22-1a), install drain pipe (22-13) on first casing (22-1), the below of drain pipe (22-13) is provided with flourishing liquid container (22-14).

7. The grinding device for the inner cavity of the reciprocating swing type valve as claimed in claim 6, wherein: and a material receiving frame (23) is arranged on the outer side of the first scraper (22-10).