CN220838891U

CN220838891U - Automatic valve cutting polisher

Info

Publication number: CN220838891U
Application number: CN202322674572.5U
Authority: CN
Inventors: 王双兵; 甘志伟; 韦金龙; 张连东
Original assignee: Zhejiang Niubo Intelligent Technology Co ltd
Current assignee: Zhejiang Niubo Intelligent Technology Co ltd
Priority date: 2023-10-07
Filing date: 2023-10-07
Publication date: 2024-04-26
Anticipated expiration: 2033-10-07

Abstract

The utility model relates to the technical field of ball valve processing equipment, in particular to an automatic valve cutting and grinding machine, which comprises a bracket, wherein the bracket is provided with a housing, and a control device is arranged on the housing; the circumference of the turntable assembly is provided with a plurality of jigs for fixing workpieces; a cutting assembly having a cutting drive unit; a grinding assembly having a grinding drive unit; the pressing mechanism is provided with a plurality of anti-rotation components and an upper rotation component; and the bottom of the cutting driving unit and the bottom of the polishing driving unit are provided with XY-axis moving platforms. The utility model has the advantages of simple structure, reasonable design, convenient operation, small occupied area and low cost, and can rapidly and effectively complete the cutting and polishing work of the workpiece by controlling the turntable assembly, the cutting assembly, the pressing mechanism and the XY-axis moving platform to operate in a matched manner through the control device, thereby ensuring the precision of the workpiece, along with high cutting and polishing efficiency and less labor consumption by adopting mechanical cutting and polishing, and guaranteeing the health of staff.

Description

Automatic valve cutting polisher

Technical Field

The utility model relates to the technical field of ball valve processing equipment, in particular to an automatic valve cutting and grinding machine.

Background

And the opening and closing piece (ball body) is driven by the valve rod and rotates around the axis of the ball valve. The device can also be used for regulating and controlling fluid, wherein the hard seal V-shaped ball valve has strong shearing force between the V-shaped ball core and the metal valve seat of the hard alloy for surfacing, and is particularly suitable for mediums containing fibers, tiny solid particles and the like. In the manufacturing process of the ball valve, redundant water gaps are needed to be cut off, and cut positions are polished to ensure the smoothness of the surface of the ball valve, two pieces of equipment are needed in the water gap cutting and polishing processes of most ball valves at present, and cutting and polishing are respectively carried out, so that the cost is high, and the required production area is large; most cutting equipment and polishing equipment are required to be operated manually, the polishing precision is low, the efficiency is affected, and the health of staff is affected; some automatic polishing and cutting devices cannot finish machining the arc-shaped part of the ball valve at one time. Therefore, a ball valve automatic cutting and polishing device needs to be designed.

Disclosure of utility model

The utility model provides an automatic valve cutting and grinding machine for solving the technical problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: valve automatic cutout polisher includes:

The bracket is provided with an outer cover, a control device is arranged on the outer cover, and an exhaust port is arranged at the top of the outer cover;

The turntable assembly is arranged on the bracket, and a plurality of jigs for fixing workpieces are arranged on the circumference of the turntable assembly;

the cutting assembly is not less than 1 and arranged on the bracket along the rotating direction of the turntable assembly, and is provided with a cutting driving unit which moves along the X axis and the Y axis and is used for cutting a workpiece water gap;

The polishing assemblies are not less than 1 and are arranged on the bracket along the rotating direction of the turntable assembly, and are provided with polishing driving units which float up and down to polish the cutting position of the workpiece;

The pressing mechanism is suspended above the turntable assembly and fixed on the outer cover, is used for blocking the workpiece on the jig from rotating, and is provided with a plurality of anti-rotation components corresponding to the cutting driving unit and the polishing driving unit and an upper rotation component for driving the workpiece in the jig to rotate in the direction of one polishing driving unit;

The cutting driving unit and the polishing driving unit are provided with XY-axis moving platforms at the bottoms, which are arranged on the bracket and drive the cutting driving unit and the polishing driving unit to move along the X axis and the Y axis.

In one embodiment, the turntable assembly comprises an intermittent divider and a turntable arranged at the output end of the intermittent divider, and the jig is arranged on the circumferential surface of the turntable.

In another embodiment, the cutting assembly is provided with two; the cutting driving unit comprises a base, a transmission main shaft and a first driving piece, wherein the transmission main shaft and the first driving piece are respectively arranged on the base, the first driving piece is used for driving the transmission main shaft to operate, a cutting piece is arranged at one end, close to the turntable assembly, of the transmission main shaft, a driven belt pulley is arranged at one end, far away from the cutting piece, of the transmission main shaft, and a driving belt pulley is arranged at the output end of the first driving piece and is driven by a belt.

In another embodiment, the sharpening assembly is provided with two; the polishing driving unit comprises a U-shaped frame with vertical guide rails at two sides, a frame is arranged in the U-shaped frame in a sliding mode, an encapsulation wheel with an adjustable position is arranged at the top of the frame and close to one end of the turntable assembly, a second driving piece with a motor wheel at the output end is arranged on the frame far away from one end of the encapsulation wheel, abrasive belts for polishing the cutting position of a workpiece are connected to the encapsulation wheel and the motor wheel, and a tensioning and adjusting assembly for adjusting the tightness of the abrasive belts is further arranged on the frame; the U-shaped frame is also provided with a driving component for driving the frame to lift.

In another embodiment, a splicing hole is formed in the top of the frame, a rubber wheel fixing rod is horizontally spliced in the splicing hole, the rubber wheel fixing rod is locked on the frame through an adjustable handle, and the rubber coating wheel is installed at one end of the rubber wheel fixing rod.

In another embodiment, the tensioning adjustment assembly comprises a first support column and a first tensioning wheel connecting plate hinged with the top of the first support column, wherein the first tensioning wheel connecting plate is connected with a second tensioning wheel connecting plate through a screw rod, and an adjustment tensioning wheel is arranged on the second tensioning wheel connecting plate; the tensioning adjusting assembly further comprises a second supporting column, an output end is arranged at the top of the second supporting column, a driving cylinder is hinged to the first tensioning wheel connecting plate, the first supporting column and the second supporting column are arranged in a diagonal mode, and a belt replacing handle is arranged at the tail end of the first tensioning wheel connecting plate.

In another embodiment, the anti-rotation assembly comprises a first telescopic cylinder, a connecting rod and a pressing head, wherein the output end of the first telescopic cylinder stretches towards the direction of the jig, the connecting rod is arranged at the output end of the first telescopic cylinder, and the pressing head is arranged at the tail end of the connecting rod and used for pressing a workpiece.

In another embodiment, the bottom of the jig is provided with an auxiliary rotating disc rotatably mounted on the rotating disc.

In another embodiment, the upper rotating assembly comprises an upper rotating disc, a second telescopic cylinder with an output end telescopic towards the direction of the jig is arranged on the upper rotating disc, a group of symmetrically arranged guide rods are arranged on the upper rotating disc in a sliding manner, and a clamping assembly connected with the two guide rods and used for clamping a workpiece is arranged at the output end of the second telescopic cylinder; the upper rotating assembly further comprises a pushing cylinder, and the output end of the pushing cylinder is hinged with a rotating swing rod fixedly connected with the upper rotating disc.

In another embodiment, the clamping assembly includes a mounting plate and a gas claw disposed on the mounting plate.

Compared with the prior art, the utility model has the beneficial effects that: the cutting assembly and the polishing assembly are sequentially arranged along the rotating direction of the turntable assembly, so that the cutting and polishing can be finished on one piece of equipment at the same time, a plurality of cutting assemblies and a plurality of floating polishing assemblies are arranged, meanwhile, the positions of the cutting assemblies and the polishing assemblies can be adjusted through the XY axis moving platform, the cutting and polishing precision is improved, the cutting assembly can be enabled to finish arc-shaped partial cutting of the ball valve, and the efficiency is high; simultaneously, the anti-rotation assembly can avoid the movement of the workpiece during cutting, ensure the smooth cutting, and can polish the cutting position in an omnibearing manner during the last polishing, thereby improving the polishing precision. The utility model has the advantages of simple structure, reasonable design, convenient operation, small occupied area and low cost, and can rapidly and effectively complete the cutting and polishing work of the workpiece by controlling the turntable assembly, the cutting assembly, the pressing mechanism and the XY-axis moving platform to operate in a matched manner through the control device, thereby ensuring the precision of the workpiece, along with high cutting and polishing efficiency and less labor consumption by adopting mechanical cutting and polishing, and guaranteeing the health of staff.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the present utility model with the housing removed;

FIG. 3 is a schematic diagram of a rotor assembly according to the present utility model;

FIG. 4 is a schematic view of a cutting assembly according to the present utility model;

FIG. 5 is a schematic view of the polishing assembly of the present utility model;

FIG. 6 is a schematic diagram of the positional relationship of the tensioning adjustment assembly, the glue wheel and the motor wheel of the present utility model;

fig. 7 is a schematic structural view of a pressing mechanism in the present utility model.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

Referring to fig. 1 and 2, the present embodiment provides an automatic valve cutting and polishing machine, including a bracket 10, a turntable assembly 20 is disposed in the middle of the bracket 10, a plurality of jigs 203 for fixing workpieces are disposed on the circumference of the turntable assembly 20, two cutting assemblies 30 and two polishing assemblies 40 are sequentially disposed along the rotating direction of the turntable assembly 20, the cutting assemblies 30 are provided with cutting driving units 301 moving along the X axis and the Y axis and used for cutting water gaps of the workpieces, the polishing assemblies 40 are provided with polishing driving units 401 floating up and down to polish the cutting positions of the workpieces, and XY axis moving platforms 50 mounted on the bracket 10 and driving the cutting driving units 301 and the polishing driving units 401 to move along the X axis and the Y axis are disposed at the bottoms of the cutting driving units 301 and the polishing driving units 401; in addition, a housing 60 for surrounding the turntable assembly 20, the cutting assembly 30 and the polishing assembly 40 is arranged on the support 10, a pressing mechanism 70 suspended above the turntable assembly 20 is arranged in the housing 60, a control device 80 for controlling the cooperation of the turntable assembly 20, the cutting assembly 30, the pressing mechanism 70 and the XY-axis moving platform 50 is arranged on the side of the housing 60, an exhaust port 601 is arranged at the top of the housing 60, and exhaust gas generated by the automatic cutting and polishing machine of the valve can be discharged by connecting the exhaust port 601 with the exhaust fan.

In an embodiment, referring to fig. 3, the turntable assembly 20 includes an intermittent divider 201 and a rotating disc 202 disposed at an output end of the intermittent divider 201, a jig 203 is disposed on a circumferential surface of the rotating disc 202, and an auxiliary rotating disc 204 rotatably mounted on the rotating disc 202 is disposed at a bottom of the jig 203, so that later processing can be assisted by disposing the auxiliary rotating disc 204 at a bottom of the jig 203, and processing efficiency can be improved.

In an embodiment, referring to fig. 2 and 4, the cutting driving unit 301 includes a base 3011, a transmission main shaft 3012 and a first driving member 3013 for driving the transmission main shaft 3012 to operate are disposed on the base 3011, a cutting blade 3014 is mounted on an end of the transmission main shaft 3012 near the rotating disc 202, a driven pulley 3015 is mounted on the transmission main shaft 3012 far from an end of the cutting blade 3014, and a driving pulley 3016 driven by a belt is disposed on an output end of the first driving member 3013; when cutting is required, the rotating disc 202 transfers the workpiece on the jig 203 to the first cutting driving unit 301', the XY axis moving platform 50 drives the first cutting driving unit 301' to be close to the workpiece, at this time, the first driving piece 3013 is started to enable the transmission main shaft 3012 to drive the cutting piece 3014 to rotate at high speed, the XY axis moving platform 50 gradually drives the first cutting driving unit 301 'to move along the Y axis direction, the cutting piece 3014 gradually cuts the water gap of the workpiece, after the first cutting driving unit 301' finishes cutting, the XY axis moving platform 50 drives the first cutting driving unit 301 'to reset to the original point, the rotating disc 202 transfers the workpiece to the second cutting driving unit 301", and similarly, the XY axis moving platform 50 drives the second cutting driving unit 301" to be close to the workpiece, at this time, the first driving piece 3013 is started to enable the transmission main shaft 3012 to drive the cutting piece 3014 to rotate at high speed, the XY axis moving platform 50 gradually drives the second cutting driving unit 301 "to move along the Y axis direction, the cutting piece 3014 cuts the water gap of the workpiece at high precision, after the rotating disc 202 finishes cutting the workpiece, and then the workpiece is polished to finish cutting by the first cutting unit 401'; through above-mentioned setting, the cutting is accomplished in the mechanization, and cutting efficiency is high, through secondary precision cutting, effectively cuts unnecessary mouth of a river on the work piece, is convenient for follow-up polishing.

In an embodiment, referring to fig. 2 and 5, the polishing driving unit 401 includes a u-shaped frame 4011 with vertical guide rails at two sides, a frame 4012 is slidably disposed in the u-shaped frame 4011, an encapsulation wheel 4013 with an adjustable position is disposed at one end of the top of the frame 4012 close to the rotating disc 202, a second driving member 4014 with a motor wheel 4015 at an output end is disposed on the frame 4012 far from one end of the encapsulation wheel 4013, abrasive belts 4016 for polishing cutting positions of workpieces are connected on the encapsulation wheel 4013 and the motor wheel 4015, and a tensioning adjusting component 4017 for adjusting tightness of the abrasive belts 4016 is disposed on the frame 4012; the U-shaped frame 4011 is further provided with a driving component 4018 for driving the frame 4012 to lift, when the workpiece needs to be polished, the XY axis moving platform 50 drives the first polishing driving unit 401' to be close to the workpiece, at the moment, the second driving component 4014 is started, so that the abrasive belt 4016 rotates, meanwhile, the XY axis moving platform 50 and the driving component 4018 cooperate to enable the abrasive belt 4016 on the frame 4012 to reciprocate up and down and left and right during polishing, so that the workpiece is polished in a floating mode, after the first polishing is completed, the XY axis moving platform 50 drives the first polishing driving unit 401' to reset to an original point, then the workpiece is transferred to the second polishing driving unit 401″ through the rotary disc 202, and similarly, the XY axis moving platform 50 drives the first polishing driving unit 401' to be close to the workpiece, at the moment, the second driving component 4014 is started, and meanwhile, the XY axis moving platform 50 and the driving component 4018 cooperate to reciprocate up and down and left and right during polishing, so that the abrasive belt 4016 on the frame 4012 cuts the workpiece, and improves the polishing precision and the surface smoothness of the workpiece.

In this embodiment, the driving component 4018 is composed of a motor and a screw rod, the screw rod is in threaded connection with the driving component 4018, and the screw rod is driven to rotate by the motor so as to realize the up-and-down movement of the frame 4012 along the vertical guide rail; further, in the present embodiment, the first driving member 3013 and the second driving member 4014 employ motors; further, the first cutting driving unit 301', the second cutting driving unit 301", the first sharpening driving unit 401' and the second sharpening driving unit 401″ described in the present embodiment are sequentially arranged along the direction in which the rotary disk 202 rotates.

In an embodiment, referring to fig. 6, a socket 40121 is provided at the top of the frame 4012, a rubber wheel fixing rod 40122 is horizontally inserted into the socket 40121, the rubber wheel fixing rod 40122 is locked on the frame 4012 by an adjustable handle 40123, the rubber wheel 4013 is mounted on one end of the rubber wheel fixing rod 40122, and the position of the rubber wheel 4013 can be adjusted by the rubber wheel fixing rod 40122, so that the tension of the abrasive belt 4016 can be adjusted and the rubber wheel 4013 can be replaced.

Further, the tensioning adjustment assembly 4017 comprises a first support column 40171 and a first tensioning wheel connecting plate 40172 hinged to the top of the first support column 40171, wherein the first tensioning wheel connecting plate 40172 is connected with a second tensioning wheel connecting plate 40173 through a screw, and an adjustment tensioning wheel 40174 is mounted on the second tensioning wheel connecting plate 40173; the tensioning adjustment component 4017 further comprises a second support column 40175, the top of the second support column 40175 is provided with a driving cylinder 40176 with an output end hinged to the first tensioning wheel connecting plate 40172, the first support column 40171 and the second support column 40175 are diagonally arranged, the tail end of the first tensioning wheel connecting plate 40172 is provided with a belt replacing handle 40177, through the arrangement, the tensioning degree between the abrasive belt 4016 and the rubber coating wheel 4013 and the motor wheel 4015 is conveniently adjusted, the abrasive belt 4016 can effectively polish a workpiece, and meanwhile the abrasive belt 4016 is conveniently replaced.

In order to avoid the rotation or movement of the workpiece on the jig 203 during cutting and to improve the smoothness of the arc surface of the workpiece during the last polishing, a pressing mechanism 70 is provided, for which purpose in this embodiment, referring to fig. 7, the pressing mechanism 70 has a pressing mounting plate 701, the pressing mounting plate 701 is horizontally fixed inside the housing 60, and a plurality of anti-rotation assemblies 702 corresponding to the first and second cutting driving units 301 and the first polishing driving unit 401' and an upper rotation assembly 703 for driving the workpiece in the jig 203 in the direction of the second polishing driving unit 401″ are installed on the pressing mounting plate 701; the anti-rotation assembly 702 comprises a first telescopic cylinder 7021 with an output end extending towards the direction of the jig 203, a connecting rod 7022 arranged at the output end of the first telescopic cylinder 7021 and a pressure head arranged at the tail end of the connecting rod 7022 and used for pressing a workpiece, the pressure head at the tail end of the connecting rod 7022 is driven by the first telescopic cylinder 7021 to push the workpiece to be pressed, so that the jig 203 is prevented from rotating during cutting or polishing, workpiece displacement is avoided, cutting and polishing stability is effectively guaranteed, cutting or polishing to other positions of the workpiece is prevented, and the quality of the workpiece is guaranteed;

In addition, the upper rotating assembly 703 comprises an upper rotating disc 7031, a second telescopic cylinder 7032 with an output end extending towards the direction of the jig 203 is arranged on the upper rotating disc 7031, a group of symmetrically arranged guide rods 7033 are slidably arranged on the upper rotating disc 7031, and a clamping assembly 7034 connected with the two guide rods 7033 and used for clamping a workpiece is arranged at the output end of the second telescopic cylinder 7032; the upper rotating assembly 703 further comprises a pushing cylinder 7035, and the output end of the pushing cylinder 7035 is hinged with a rotating swing rod 7036 fixedly connected with the upper rotating disc 7031; wherein the nip assembly 7034 comprises a mounting plate 70341 and an air jaw 70342 disposed on the mounting plate 70341; when the workpiece is rotated to the direction of the second polishing driving unit 401", the second telescopic air cylinder 7032 drives the clamping assembly 7034 to enable the air claw 70342 on the clamping assembly 7034 to grasp the workpiece, and during polishing, the pushing air cylinder 7035 drives the upper rotating disc 7031 to rotate, so that the workpiece grasped by the air claw 70342 rotates along with the workpiece, and when polishing is guaranteed, the abrasive belt 4016 can polish the arc-shaped surface of the workpiece to achieve precision polishing.

To sum up, the working principle of the automatic valve cutting and polishing machine of the embodiment is as follows:

The workpiece is placed on the jig 203 manually or by a mechanical arm, the intermittent divider 201 is started, the rotating disc 202 drives the workpiece to be transferred to the first cutting driving unit 301', the intermittent divider 201 stops working, after the rotating disc 202 stops, the first telescopic cylinder 7021 at the corresponding position drives the pressure head at the tail end of the pushing connecting rod 7022 to press the workpiece, when the workpiece is required to be cut, the rotating disc 202 transfers the workpiece on the jig 203 to the first cutting driving unit 301', the XY axis moving platform 50 drives the first cutting driving unit 301 'to be close to the workpiece, at the moment, the first driving piece 3013 is started to drive the transmission main shaft 3012 to drive the cutting piece 3014 to rotate at a high speed, the XY axis moving platform 50 gradually drives the first cutting driving unit 301' to move along the Y axis direction, so that the cutting piece 3014 gradually cuts a water gap of the workpiece, after the first cutting driving unit 301 'finishes cutting, the XY axis moving platform 50 drives the first cutting driving unit 301' to reset to the original point, meanwhile, the first telescopic cylinder 7021 drives the pressing head to reset, the intermittent divider 201 is started, the rotating disc 202 drives the workpiece to be transferred to the second cutting driving unit 301", similarly, after the rotating disc 202 stops, the first telescopic cylinder 7021 at the corresponding position drives the pressing head at the tail end of the pushing connecting rod 7022 to press the workpiece, the XY axis moving platform 50 drives the second cutting driving unit 301" to be close to the workpiece, at the moment, the first driving piece 3013 is started to enable the transmission main shaft 3012 to drive the cutting piece 3014 to rotate at a high speed, and the XY axis moving platform 50 gradually drives the second cutting driving unit 301 "to move along the Y axis direction, so that the cutting piece 3014 cuts the water gap of the workpiece accurately;

After the workpiece is cut, the cut workpiece is transferred to a first polishing driving unit 401 'by the rotary disc 202, a first telescopic cylinder 7021 positioned on a corresponding anti-rotation component 702 of the first polishing driving unit 401' drives a pressing head at the tail end of a pushing connecting rod 7022 to press the workpiece, when the workpiece needs to be polished, an XY axis moving platform 50 drives the first polishing driving unit 401 'to be close to the workpiece, at the moment, a second driving piece 4014 is started, so that an abrasive belt 4016 rotates, and meanwhile, the XY axis moving platform 50 and the driving component 4018 are matched to operate, so that the abrasive belt 4016 on a rack 4012 moves up and down and left and right in a reciprocating manner during polishing, the workpiece is polished in a floating manner, and after the first polishing is finished, the XY axis moving platform 50 drives the first polishing driving unit 401' to reset to an original point, and the first telescopic cylinder 7021 drives the pressing head to reset; the workpiece is transferred to the second polishing driving unit 401 by the rotating disc 202, after the rotating disc 202 stops, the second telescopic cylinder 7032 drives the clamping assembly 7034 to enable the air claw 70342 on the clamping assembly 7034 to clamp the workpiece, meanwhile, the XY axis moving platform 50 drives the first polishing driving unit 401' to be close to the workpiece, at the moment, the second driving piece 4014 is started, the abrasive belt 4016 rotates, meanwhile, the XY axis moving platform 50 and the driving assembly 4018 work cooperatively, the abrasive belt 4016 on the frame 4012 moves up and down and left and right in a reciprocating mode during polishing, the pushing cylinder 7035 drives the upper rotating disc 7031 to rotate, further, the abrasive belt 4016 can polish the arc-shaped surface of the workpiece during polishing to achieve precision polishing, after precision polishing is achieved, the rotating disc 202 transfers the workpiece to the feeding position, and a new workpiece is placed continuously for processing.

Compared with the prior art, the cutting assembly 30 and the polishing assembly 40 are sequentially arranged along the rotating direction of the turntable assembly 20, so that cutting and polishing can be finished on one piece of equipment at the same time, a plurality of cutting assemblies 30 and a plurality of floating polishing assemblies 40 are arranged, meanwhile, the positions of the cutting assemblies and the polishing assemblies can be adjusted through the XY axis moving platform 50, the cutting and polishing precision is improved, the cutting assemblies 30 can finish arc-shaped partial cutting of the ball valve, and the efficiency is high; simultaneously, the anti-rotation assembly 702 is arranged, so that the workpiece can be prevented from moving during cutting, smooth cutting is guaranteed, and the upper rotation assembly 703 is arranged, so that the cutting position can be polished in an omnibearing manner during the last polishing, and the polishing precision is improved. The utility model has the advantages of simple structure, reasonable design, convenient operation, small occupied area and low cost, and the turntable assembly 20, the cutting assembly 30, the pressing mechanism 70 and the XY-axis moving platform 50 are controlled to operate cooperatively by the control device 80, so that the cutting and polishing work of a workpiece can be completed rapidly and effectively, the precision of the workpiece is ensured, the mechanical cutting and polishing is adopted, the cutting and polishing efficiency is high, the labor consumption is low, and the health of staff is ensured.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. Valve automatic cutout polisher, its characterized in that includes:

2. The automatic valve cutting and grinding machine according to claim 1, wherein the turntable assembly comprises an intermittent divider and a turntable arranged at an output end of the intermittent divider, and the jig is arranged on a circumferential surface of the turntable.

3. The automatic valve cutting and grinding machine of claim 1, wherein the cutting assembly is provided with two; the cutting driving unit comprises a base, a transmission main shaft and a first driving piece, wherein the transmission main shaft and the first driving piece are respectively arranged on the base, the first driving piece is used for driving the transmission main shaft to operate, a cutting piece is arranged at one end, close to the turntable assembly, of the transmission main shaft, a driven belt pulley is arranged at one end, far away from the cutting piece, of the transmission main shaft, and a driving belt pulley is arranged at the output end of the first driving piece and is driven by a belt.

4. The automatic valve cutting and grinding machine of claim 1, wherein the grinding assembly is provided with two; the polishing driving unit comprises a U-shaped frame with vertical guide rails at two sides, a frame is arranged in the U-shaped frame in a sliding mode, an encapsulation wheel with an adjustable position is arranged at the top of the frame and close to one end of the turntable assembly, a second driving piece with a motor wheel at the output end is arranged on the frame far away from one end of the encapsulation wheel, abrasive belts for polishing the cutting position of a workpiece are connected to the encapsulation wheel and the motor wheel, and a tensioning and adjusting assembly for adjusting the tightness of the abrasive belts is further arranged on the frame; the U-shaped frame is also provided with a driving component for driving the frame to lift.

5. The automatic valve cutting and grinding machine according to claim 4, wherein a plug hole is formed in the top of the frame, a rubber wheel fixing rod is horizontally plugged into the plug hole, the rubber wheel fixing rod is locked on the frame through an adjustable handle, and the rubber coating wheel is installed at one end of the rubber wheel fixing rod.

6. The automatic valve cutting and grinding machine according to claim 4, wherein the tensioning adjustment assembly comprises a first support column and a first tensioning wheel connecting plate hinged with the top of the first support column, the first tensioning wheel connecting plate is connected with a second tensioning wheel connecting plate through a screw, and an adjusting tensioning wheel is arranged on the second tensioning wheel connecting plate; the tensioning adjusting assembly further comprises a second supporting column, an output end is arranged at the top of the second supporting column, a driving cylinder is hinged to the first tensioning wheel connecting plate, the first supporting column and the second supporting column are arranged in a diagonal mode, and a belt replacing handle is arranged at the tail end of the first tensioning wheel connecting plate.

7. The automatic valve cutting and grinding machine according to claim 1, wherein the anti-rotation assembly comprises a first telescopic cylinder with an output end telescopic towards the direction of the jig, a connecting rod arranged at the output end of the first telescopic cylinder, and a pressing head arranged at the tail end of the connecting rod and used for pressing a workpiece.

8. The automatic valve cutting and grinding machine of claim 2, wherein the bottom of the jig is provided with an auxiliary rotating disc rotatably mounted on the rotating disc.

9. The automatic valve cutting and grinding machine according to claim 1, wherein the upper rotating assembly comprises an upper rotating disc, a second telescopic cylinder with an output end extending towards the direction of the jig is arranged on the upper rotating disc, a group of symmetrically arranged guide rods are arranged on the upper rotating disc in a sliding manner, and a clamping assembly connected with the two guide rods and used for clamping a workpiece is arranged at the output end of the second telescopic cylinder; the upper rotating assembly further comprises a pushing cylinder, and the output end of the pushing cylinder is hinged with a rotating swing rod fixedly connected with the upper rotating disc.

10. The automatic valve cutting and grinding machine of claim 9, wherein the clamping assembly includes a mounting plate and an air jaw disposed on the mounting plate.