CN209954379U - Valve pocket grinder - Google Patents

Abstract

The utility model discloses a valve barrel grinder, include: the frame, be used for snatching the valve barrel and with the valve barrel location tongs of valve barrel switching-over, be used for installing the grinding rod and drive the automatic tool changing electricity main shaft of grinding rod along its axis rotation, and scribble the grinding paste mechanism to the grinding rod of installing on the automatic tool changing electricity main shaft, valve barrel location tongs is used for the periphery at the grinding rod along its centre bore cover of valve barrel with snatching, valve barrel location tongs mobilizable setting is on the frame, automatic tool changing electricity main shaft sets up on the frame, scribble mobilizable the installing on the frame of grinding paste mechanism automatically. The same valve sleeve can be ground for multiple times so as to improve the grinding precision and the grinding efficiency; in addition, the valve sleeve positioning gripper is movably arranged on the frame, the tool changing electric spindle is arranged on the frame, and the automatic grinding paste coating mechanism is movably arranged on the frame to reduce the occupied space.

Description

Valve pocket grinder

Technical Field

The utility model relates to a valve barrel hole grinds technical field, and more specifically says, relates to a valve barrel grinder.

Background

With the development of the automatic processing technology being more and more perfect, the high-precision automatic processing is widely applied to the processing of various high-precision parts in the fields of aviation, aerospace, automobiles, high-speed rails and the like, and gradually replaces the traditional manual operation mode, so that the automatic production of the high-precision parts is realized, and the processing quality and efficiency are greatly improved. At present, valve barrel grinding work is mostly manual work, because adopt artifical grinding, can lead to grinding inhomogeneous, and consuming time and power, machining precision and efficiency are all lower, are difficult to satisfy the part machining demand of high-precision projects such as aviation, space flight.

In summary, how to improve the valve sleeve grinding precision to improve the grinding efficiency is a problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a valve sleeve grinding device, which can improve the grinding precision of the valve sleeve to improve the grinding efficiency.

In order to achieve the above object, the present invention provides the following technical solutions:

a valve sleeve grinding apparatus comprising: the frame, be used for snatching the valve barrel and with the valve barrel location tongs of valve barrel switching-over, be used for installing the grinding rod and drive the grinding rod along the rotatory automatic tool changing electricity main shaft of its axis and to the grinding cream mechanism is scribbled in the automation of grinding cream is paintd to the grinding rod of installation on the automatic tool changing electricity main shaft, valve barrel location tongs is used for the valve barrel of snatching along its centre bore cover in the periphery of grinding rod, valve barrel location tongs mobilizable set up in on the frame, automatic tool changing electricity main shaft set up in on the frame, automatic scribble the mobilizable installation in of grinding cream mechanism on the frame.

Preferably, automatic scribble grinding paste mechanism include liftable set up in lift sliding platform on the frame, the crowded grinding paste mechanism of installation on the lift sliding platform, the top of the grinding paste section of thick bamboo of crowded grinding paste mechanism is equipped with the bar hole with grinding rod periphery looks adaptation, set up in the drive arrangement who grinds paste bobbin base portion be used for propelling a section of thick bamboo piston with by the bar hole is released grind the interior grinding paste of a paste section of thick bamboo.

Preferably, the frame is provided with a grinding rod automatic loading and unloading mechanism, and the grinding rod automatic loading and unloading mechanism is used for installing a grinding rod on the tool changing electric spindle and is used for disassembling the grinding rod on the tool changing electric spindle.

Preferably, the automatic loading and unloading mechanism for the grinding rods comprises a double-position cylinder installed on the frame, a driving shaft of the double-position cylinder is connected to a sliding platform, and a pneumatic clamping jaw is movably arranged on the sliding platform.

Preferably, the pneumatic clamping jaw is rotatably mounted on a second rotary table cylinder, and the second rotary table cylinder is linearly movably arranged on the sliding platform.

Preferably, the frame is provided with a grinding rod automatic feeding mechanism for feeding the grinding rod to the grinding rod automatic loading and unloading mechanism.

Preferably, grinding rod automatic feed mechanism including install in grinding rod container on the frame, the one end of grinding rod container is equipped with first climbing mechanism, first climbing mechanism includes first jacking cylinder and the first liftout device that is used for the jack-up grinding rod, first jacking cylinder is used for driving first liftout device reciprocates extremely pneumatic clamping jaw gets the material position, be equipped with on the grinding rod container and be used for detecting whether there is a first photoelectric sensor of grinding rod on the climbing mechanism.

Preferably, the frame is provided with a valve sleeve automatic feeding mechanism for supplying the valve sleeve to the valve sleeve positioning handle.

Preferably, valve barrel automatic feed mechanism including install in valve barrel container on the frame, the one end of valve barrel container is equipped with second climbing mechanism, second climbing mechanism includes second jacking cylinder and the second liftout device that is used for the jack-up valve barrel, second jacking cylinder is used for driving second liftout device reciprocates to the material position of getting of valve barrel location tongs, be equipped with on the valve barrel container and be used for detecting whether there is the second photoelectric sensor of valve barrel on the second climbing mechanism.

Preferably, a finished product blanking box is arranged on the frame and used for containing the ground valve sleeve grabbed by the valve sleeve positioning grabbing hand.

The utility model provides a pair of valve barrel grinder, include: the frame, be used for snatching the valve barrel and with the valve barrel location tongs of valve barrel switching-over, be used for installing the grinding rod and drive the automatic tool changing electricity main shaft of grinding rod along its axis rotation, and scribble the grinding paste mechanism to the grinding rod of installing on the automatic tool changing electricity main shaft, valve barrel location tongs is used for the periphery at the grinding rod along its centre bore cover of valve barrel with snatching, valve barrel location tongs mobilizable setting is on the frame, automatic tool changing electricity main shaft sets up on the frame, scribble mobilizable the installing on the frame of grinding paste mechanism automatically.

The grinding rod is clamped and driven to rotate by the automatic tool changing electric spindle and serves as a power device for grinding and rotating the grinding rod, the automatic grinding paste coating mechanism automatically coats grinding paste on the periphery of the grinding rod clamped on the automatic tool changing electric spindle, the valve sleeve positioning gripper grabs the valve sleeve to move, the center of the valve sleeve is aligned with the grinding rod clamped on the automatic tool changing electric spindle and moves until the valve sleeve is sleeved on the periphery of the grinding rod, the valve sleeve positioning gripper stops moving, the automatic tool changing electric spindle drives the grinding rod to rotate and grinds the interior of the valve sleeve, the valve sleeve positioning gripper can drive the valve sleeve to change direction, the valve sleeve can rotate 180 degrees and the central hole of the valve sleeve is aligned with the grinding rod clamped on the automatic tool changing electric spindle again, grinding work is continued, and the same valve sleeve can be ground for multiple times to improve grinding precision and improve grinding efficiency; in addition, the valve sleeve positioning gripper is movably arranged on the frame, the tool changing electric spindle is arranged on the frame, and the automatic grinding paste coating mechanism is movably arranged on the frame to reduce the occupied space.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic view of a valve sleeve grinding device provided by the present invention;

fig. 2 is a schematic view of a valve sleeve positioning grip provided by the present invention;

FIG. 3 is a schematic diagram of an automatic paste applying mechanism provided by the present invention;

FIG. 4 is a cross-sectional view of a paste squeezing mechanism provided by the present invention;

FIG. 5 is a schematic view of the automatic loading and unloading mechanism for grinding rods according to the present invention;

fig. 6 is a schematic view of an automatic feeding mechanism for grinding rods provided by the present invention;

fig. 7 is a schematic view of the automatic valve sleeve feeding mechanism provided by the present invention.

In FIGS. 1-7:

1-truss robot, 2-automatic tool changing motorized spindle, 3-six-axis robot, 4-valve sleeve positioning gripper, 5-valve sleeve automatic feeding mechanism, 6-finished product discharging box, 7-grinding rod automatic loading and unloading mechanism, 8-grinding rod automatic feeding mechanism, 9-automatic grinding paste coating mechanism, 10-connecting plate, 11-first turntable cylinder, 12-mechanical clamping jaw cylinder, 13-clamping jaw, 14-valve sleeve, 15-grinding paste extruding mechanism, 16-lifting sliding platform, 17-cylinder, 18-cylinder cover, 19-hasp, 20-grinding paste cylinder, 21-piston, 22-connecting piece, 23-stepping motor, 24-clamping jaw cylinder, 25-second turntable cylinder, 26-sliding platform, 27-two-position cylinder, 28-grinding rod container, 29-first jacking mechanism, 30-first jacking cylinder, 31-first jacking device, 32-first photoelectric sensor, 33-valve sleeve container, 34-second jacking mechanism and 35-second photoelectric sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The core of the utility model is to provide a valve barrel grinder, utilize the device to grind the valve barrel and can improve the precision that the valve barrel ground in order to improve grinding efficiency.

Referring to fig. 1 to 7, fig. 1 is a schematic view of a valve sleeve grinding device provided in the present invention; fig. 2 is a schematic view of a valve sleeve positioning grip provided by the present invention; FIG. 3 is a schematic diagram of an automatic paste applying mechanism provided by the present invention; FIG. 4 is a cross-sectional view of a grinding paste cartridge provided by the present invention; FIG. 5 is a schematic view of the automatic loading and unloading mechanism for grinding rods according to the present invention; fig. 6 is a schematic view of an automatic feeding mechanism for grinding rods provided by the present invention; fig. 7 is a schematic view of the automatic valve sleeve feeding mechanism provided by the present invention.

A valve sleeve grinding apparatus comprising: a frame, a valve barrel location tongs 4 for snatching valve barrel 14 and with the switching-over of valve barrel 14, an automatic tool changing electricity main shaft 2 for installing the grinding rod and drive the grinding rod along its axis rotation, and scribble grinding paste mechanism 9 to the automation that grinding paste was scribbled to the grinding rod of installing on automatic tool changing electricity main shaft 2, valve barrel location tongs 4 are used for the periphery of valve barrel 14 along its centre bore cover at the grinding rod with snatching, valve barrel location tongs 4 mobilizable setting on the frame, automatic tool changing electricity main shaft 2 sets up on the frame, scribble that grinding paste mechanism 9 is mobilizable to be installed on the frame automatically.

It should be noted that the frame may be a rectangular frame, a transverse longitudinal beam is arranged on the rectangular frame to serve as a support, the valve sleeve positioning gripper 4 may move through the truss robot 1 arranged on the frame, the truss robot 1 has a transverse axis and a vertical axis, the transverse axis and the longitudinal axis may drive the valve sleeve positioning gripper 4 to move in a horizontal plane, and the vertical axis may drive the valve sleeve positioning gripper 4 to move up and down, so that the valve sleeve positioning gripper 4 may move at any point in the space above the frame.

The automatic tool changing motorized spindle 2 is arranged on the frame, and the valve sleeve positioning gripper 4 can move, so that the automatic tool changing motorized spindle 2 can be fixedly arranged on the frame or can be arranged on the frame in a detachable mode.

The automatic grinding paste coating mechanism 9 is required to paint grinding paste on a grinding rod clamped on the automatic tool changing motorized spindle 2, so that the automatic grinding paste coating mechanism 9 is required to be movably arranged on the frame, the automatic grinding paste coating mechanism 9 can be vertically arranged on the frame, when the grinding paste is required to be painted, the automatic grinding paste coating mechanism 9 rises until the position where the grinding paste can be painted stops being painted, and the automatic grinding paste coating mechanism descends to the original position after the painting is finished.

The grinding rod is clamped and driven to rotate by the automatic tool changing electric spindle 2 and used as a power device for grinding and rotating the grinding rod, the automatic grinding paste coating mechanism 9 automatically coats grinding paste on the periphery of the grinding rod clamped on the automatic tool changing electric spindle 2, the valve sleeve positioning gripper 4 grabs the valve sleeve 14 to move, the center of the valve sleeve 14 is moved to be aligned with the grinding rod clamped on the automatic tool changing electric spindle 2 and moves until the valve sleeve 14 is sleeved on the periphery of the grinding rod, the valve sleeve positioning gripper 4 stops moving, the automatic tool changing electric spindle 2 drives the grinding rod to rotate to grind the inside of the valve sleeve 14, the valve sleeve positioning gripper 4 can drive the valve sleeve 14 to change direction, the valve sleeve 14 can rotate 180 degrees, the central hole of the valve sleeve 14 is aligned with the grinding rod clamped on the automatic tool changing electric spindle 2 again, the grinding work is continued, and the same valve sleeve 14 can grind for multiple times to improve the grinding, typically, the same valve sleeve 14 may be ground in three stages, i.e., three separate stages of forward and reverse grinding of the valve sleeve 14.

The valve sleeve positioning gripper 4 comprises a connecting plate 10, a first rotary table cylinder 11, a mechanical clamping jaw cylinder 12 and a clamping jaw 13, wherein the first rotary table cylinder 11 is installed on the connecting plate 10, the mechanical clamping jaw cylinder 12 is installed on the first rotary table cylinder 11, the clamping jaw 13 is installed on the mechanical clamping jaw cylinder 12, the first rotary table cylinder 11 is used for rotating the mechanical clamping jaw cylinder 12 for 180 degrees so as to rotate a valve sleeve 14 for 180 degrees, and the clamping jaw 13 is used for clamping and positioning the valve sleeve 14.

On the basis of the above embodiment, the automatic coating grinding paste mechanism 9 includes a liftable lifting sliding platform 16 arranged on the frame, the lifting sliding platform 16 is provided with an extruding grinding paste mechanism 15, the top of a grinding paste tube 20 of the extruding grinding paste mechanism 15 is provided with a strip-shaped hole matched with the periphery of a grinding rod, and a driving device arranged at the bottom of the grinding paste tube 20 is used for pushing a piston 21 in the tube to push out the grinding paste in the grinding paste tube 20 through the strip-shaped hole.

It should be noted that the grinding paste cylinder 20 is installed on the lifting and sliding platform 16, and the driving device is used for driving the lifting and sliding platform 16 to ascend and descend, preferably, the driving device adopts an air cylinder 17, the end of the cylinder rod of the air cylinder 17 is connected to the lifting and sliding platform 16, the steel cylinder of the air cylinder 17 is connected to the frame, the cylinder rod of the air cylinder 17 is arranged downwards, when the lifting and sliding platform 16 needs to be lifted, the cylinder rod is controlled to contract, and when the lifting and sliding platform 16 needs to be descended, the cylinder rod is controlled to extend.

Grind the top of a cream section of thick bamboo 20 and be equipped with cover 18, cover 18's top is equipped with the bar hole with grinding rod periphery looks adaptation, cover 18 carries out open and close's connection through hasp 19 with grinding a cream section of thick bamboo 20, is equipped with piston 21 in grinding a cream section of thick bamboo 20, and piston 21's upper space is used for storing grinding cream, grinds a cream section of thick bamboo 20 bottom and is equipped with connecting piece 22, and step motor 23 passes through connecting piece 22 and is connected with grinding a cream section of thick bamboo 20, and step motor 23's drive shaft is used for driving piston 21 and reciprocates.

When the grinding device is in a working state, the air cylinder 17 pulls the lifting sliding platform 16, the stepping motor 23 rotates for a certain angle, the piston 21 moves upwards for a certain distance, and grinding paste is extruded out and coated on the grinding rod. After finishing smearing, the air cylinder 17 pushes the lifting sliding platform 16 to descend to the original position.

The automatic grinding paste coating mechanism 9 provided by the embodiment can be used for coating grinding paste on a grinding rod clamped by the automatic tool changing motorized spindle 2, and is simple in structure and convenient to mount.

On the basis of the embodiment, the frame is provided with a grinding rod automatic loading and unloading mechanism 7, and the grinding rod automatic loading and unloading mechanism 7 is used for installing a grinding rod on the tool changing electric spindle and disassembling the grinding rod on the tool changing electric spindle.

It should be noted that the grinding rod automatic loading and unloading mechanism 7 can automatically install the grinding rod on the automatic tool changing motorized spindle 2, and after the grinding rod is ground for a period of time or for a certain number of times, the grinding rod automatic loading and unloading mechanism 7 can also remove the scrapped grinding rod from the automatic tool changing motorized spindle 2. Preferably, the grinding rod loading and unloading mechanism 7 comprises a double-position air cylinder 27 mounted on the frame, the driving shaft of the double-position air cylinder 27 is connected with a sliding platform 26, and a pneumatic clamping jaw is movably arranged on the sliding platform 26. The double-position cylinder 27 can drive the sliding platform 26 to move, the grinding rod can be placed at other positions, the double-position cylinder 27 controls the sliding platform 26 to drive the pneumatic clamping jaw to move to the position where the grinding rod is placed, the clamping jaw cylinder 24 drives the pneumatic clamping jaw to clamp the grinding rod, and the double-position cylinder 27 controls the sliding platform 26 to drive the pneumatic clamping jaw to move to the position where the grinding rod is installed on the automatic tool changing electric spindle 2.

Preferably, the pneumatic clamping jaw is rotatably mounted on a second turntable cylinder 25, and the second turntable cylinder 25 is linearly movably disposed on the sliding platform 26.

It should be noted that, after the sliding platform 26 is controlled by the two-position cylinder 27 to drive the pneumatic clamping jaw to move to the position where the grinding rod is installed on the automatic tool changing electric spindle 2, the second turntable cylinder 25 finely adjusts the position of the pneumatic clamping jaw through linear movement, and the second turntable cylinder 25 adjusts the angle of the grinding rod through rotating the pneumatic clamping jaw, so that the grinding rod is automatically installed on the automatic tool changing electric spindle 2.

In addition to the above-described embodiments, the frame is provided with an automatic grinding-rod feeding mechanism 8 for feeding grinding rods to the automatic grinding-rod mounting and dismounting mechanism 7.

It should be noted that the grinding rod automatic feeding mechanism 8 can store the grinding rods and can also transfer the grinding rods to corresponding positions, the corresponding positions are positions where the pneumatic clamping jaws can clamp the grinding rods, the automatic feeding of the grinding rods is realized, and the grinding rods on the grinding rod automatic feeding mechanism 8 can be supplemented by workers.

Preferably, the grinding rod automatic feeding mechanism 8 includes the grinding rod container 28 installed on the frame, and the one end of grinding rod container 28 is equipped with first climbing mechanism 29, and first climbing mechanism 29 includes first jacking cylinder 30 and the first liftout device 31 that is used for the jack-up grinding rod, and first jacking cylinder 30 is used for driving first liftout device 31 and reciprocates to the material position of getting of pneumatic clamping jaw, is equipped with the first photoelectric sensor 32 that is used for detecting whether there is the grinding rod on the first climbing mechanism 29 on the grinding rod container 28.

It should be noted that, the grinding rod container 28 is installed on the first jacking mechanism 29, the first photoelectric sensor 32 is installed on the first jacking mechanism 29, after the grinding rod is taken away by the grinding rod automatic loading and unloading mechanism 7, the first jacking cylinder 30 jacks up the first material ejecting device 31 through the linear slide rail, the first material ejecting device 31 can drive a grinding rod to lift up, then the first jacking cylinder 30 retracts, the first material ejecting device 31 drops back to the original position, and the grinding rod automatically slides into the positioning block groove. The presence or absence of the uppermost one of the grinding rods is detected by the first photosensor 32. This embodiment can realize depositing and the automatic feed-in of grinding rod through above structure, can drive the grinding rod and remove the position that the grinding rod can be got to pneumatic clamping jaw clamp.

When the first photoelectric sensor 32 detects that there is no grinding rod on the first jacking mechanism 29, the signal is transmitted to the first jacking cylinder, and the first jacking cylinder receives the signal and drives the first material-ejecting device 31 to move so as to send the grinding rod into the positioning block groove.

On the basis of the above embodiment, the frame is provided with the valve sleeve automatic feed mechanism 5 for feeding the valve sleeves 14 to the valve sleeve positioning hand 4.

It should be noted that the valve sleeves 14 on the valve sleeve automatic feeding mechanism 5 may be replenished by a worker, preferably, a six-axis robot 3 is disposed on the frame, the six-axis robot 3 may move in multiple directions, a gripper is disposed on the six-axis robot 3, the gripper may take out the valve sleeves 14 placed at a certain position and place the valve sleeves on the valve sleeve automatic feeding mechanism 5, and the valve sleeve automatic feeding mechanism 5 may automatically supply the valve sleeves 14 to the valve sleeve positioning gripper 4, so as to realize automatic replenishment of the valve sleeves 14 of the valve sleeve positioning gripper 4.

Preferably, the valve sleeve automatic feeding mechanism 5 comprises a valve sleeve container 33 installed on the frame, a second jacking mechanism 34 is arranged at one end of the valve sleeve container 33, the second jacking mechanism 34 comprises a second jacking cylinder and a second jacking device used for jacking the valve sleeve 14, the second jacking cylinder is used for driving the second jacking device to move up and down to the material taking position of the valve sleeve positioning gripper 4, and a second photoelectric sensor 35 used for detecting whether the valve sleeve 14 is arranged on the second jacking mechanism 34 or not is arranged on the valve sleeve container 33.

It should be noted that three rows of valve sleeves 14 can be stored in the valve sleeve container 33, the valve sleeve container 33 is mounted on the second jacking mechanism 34, the second photoelectric sensor 35 is mounted on the second jacking mechanism 34, each time the automatic valve sleeve feeding mechanism 5 operates, the three valve sleeves 14 can be simultaneously and respectively fed into respective positioning grooves, and are detected by the second photoelectric sensor 35, waiting for the six-axis robot 3 to grab, and after the six-axis robot 3 respectively takes away the three valve sleeves 14, the feeding mechanism operates again, and the sequential circulation is performed, so that the automatic feeding of the valve sleeves 14 is realized. When the second photoelectric sensor 35 detects that there is no valve sleeve 14 on the second jacking mechanism 34, a signal is transmitted to the second jacking cylinder, and the second jacking cylinder receives the signal and drives the second material ejecting device to move so as to feed the valve sleeve 14 into the positioning groove.

On the basis of the above embodiment, the frame is provided with a finished product discharging box 6, and the finished product discharging box 6 is used for containing the ground valve sleeves 14 captured by the valve sleeve positioning gripper 4. After the valve sleeves 14 are ground, the valve sleeve positioning handle 4 places the ground valve sleeves 14 in the finished product discharging box 6 and collects the ground valve sleeves through the finished product discharging box 6 arranged on the frame, so that manual operation is saved.

Because the grinding rod has a service life, after the grinding rod is scrapped for many times, the automatic grinding rod loading and unloading mechanism 7 takes out the waste grinding rod from the electric spindle chuck and automatically puts in a waste grinding rod discharging box, and the waste grinding rod discharging box can be arranged on the frame.

The utility model discloses an automatic grind valve barrel 14 and can make 14 holes of valve barrel grind more evenly, and the precision is higher, and the grinding quality improves greatly. In addition, because the valve barrel grinder can adopt six robots 3, valve barrel location tongs 4, valve barrel automatic feed mechanism 5, grinding rod automatic loading and unloading mechanism 7, grinding rod automatic feed mechanism 8 and automatic coating grinding paste mechanism 9 cooperation work to go on unloading automatically, convenient operation, labour saving and time saving to can grind three valve barrels 14 simultaneously, very big improvement work efficiency. The device has compact structure and easy maintenance, and has remarkable practicability and economy for reducing the labor cost and improving the processing efficiency.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

It is right above that the utility model provides a valve barrel grinder has carried out the detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (10)

1. A valve sleeve grinding apparatus comprising: the frame, be used for snatching valve barrel (14) and with valve barrel location tongs (4) of valve barrel (14) switching-over, be used for installing the grinding rod and drive the grinding rod along its axis rotatory automatic tool changing electricity main shaft (2) and to the grinding paste mechanism (9) is scribbled in the automation of grinding paste is paintd to the grinding rod of installing on automatic tool changing electricity main shaft (2), valve barrel location tongs (4) are used for the valve barrel (14) of will snatching along its centre bore cover in the periphery of grinding rod, valve barrel location tongs (4) mobilizable set up in on the frame, automatic tool changing electricity main shaft (2) set up in on the frame, automatic coating grinding paste mechanism (9) mobilizable install in on the frame.

2. The valve sleeve grinding device as claimed in claim 1, wherein the automatic grinding paste applying mechanism (9) comprises a lifting and sliding platform (16) which is arranged on the frame in a lifting and descending manner, the lifting and sliding platform (16) is provided with a grinding paste squeezing mechanism (15), the top of the grinding paste barrel (20) of the grinding paste squeezing mechanism (15) is provided with a strip-shaped hole which is matched with the periphery of the grinding rod, and a driving device which is arranged at the bottom of the grinding paste barrel (20) is used for pushing a barrel inner piston (21) to push the grinding paste in the grinding paste barrel (20) out through the strip-shaped hole.

3. The valve sleeve grinding device according to claim 1, wherein a grinding rod automatic handling mechanism (7) is provided on the frame, and the grinding rod automatic handling mechanism (7) is used for mounting a grinding rod on the tool-changing electric spindle and for detaching the grinding rod on the tool-changing electric spindle.

4. The valve housing milling apparatus of claim 3, wherein the grinding rod robot (7) includes a two-position cylinder (27) mounted to the frame, the drive shaft of the two-position cylinder (27) being connected to a slide platform (26), the slide platform (26) having pneumatic jaws movably mounted thereon.

5. The valve housing grinder assembly of claim 4, wherein the pneumatic gripper is rotatably mounted on a second turntable cylinder (25), the second turntable cylinder (25) being linearly movably mounted on the slide table (26).

6. The valve housing milling apparatus as set forth in claim 5, characterized in that said frame is provided with a milling rod automatic feed mechanism (8) for feeding milling rods to said milling rod robot (7).

7. The valve sleeve grinding device according to claim 6, wherein the automatic feeding mechanism (8) for the grinding rod comprises a grinding rod container (28) mounted on the frame, a first jacking mechanism (29) is arranged at one end of the grinding rod container (28), the first jacking mechanism (29) comprises a first jacking cylinder (30) and a first material ejecting device (31) for ejecting the grinding rod, the first jacking cylinder (30) is used for driving the first material ejecting device (31) to move up and down to the material taking position of the pneumatic clamping jaw, and a first photoelectric sensor (32) for detecting whether the grinding rod is arranged on the jacking mechanism is arranged on the grinding rod container (28).

8. The valve sleeve grinding device according to claim 1, characterized in that the frame is provided with a valve sleeve automatic feed mechanism (5) for feeding the valve sleeves (14) to the valve sleeve positioning gripper (4).

9. The valve sleeve grinding device as claimed in claim 8, wherein the valve sleeve automatic feeding mechanism (5) comprises a valve sleeve container (33) installed on the frame, a second jacking mechanism (34) is provided at one end of the valve sleeve container (33), the second jacking mechanism (34) comprises a second jacking cylinder and a second jacking device for jacking up the valve sleeve, the second jacking cylinder is used for driving the second jacking device to move up and down to the material taking position of the valve sleeve positioning gripper (4), and a second photoelectric sensor (35) for detecting whether the valve sleeve (14) is provided on the second jacking mechanism (34) is provided on the valve sleeve container.

10. The valve sleeve grinding device according to any one of claims 1 to 9, characterized in that a product drop box (6) is provided on the frame, the product drop box (6) being adapted to receive the ground valve sleeves (14) gripped by the valve sleeve positioning gripper (4).

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