CN110788737A - Grinding machine and method for stripping ground workpiece - Google Patents

Abstract

The invention discloses a grinding machine and a method for stripping a ground workpiece. Wherein the grinding mill comprises: the upper disc lifting mechanism is used for lifting the upper disc so that a preset distance is generated between the bottom of a workpiece to be ground, which is stuck on the upper disc, far away from the upper disc and the lower disc; the preset distance is smaller than the height of the carrier disc loaded with the ground workpiece on the lower grinding disc. When the workpiece to be ground adhered to the upper grinding disc is peeled, the relative motion of the upper grinding disc and the carrying disc is controlled, so that the workpiece to be ground adhered to the upper grinding disc can be peeled. Not only improves the working efficiency and avoids the occurrence of accidents in manual operation, but also saves time and labor.

Description

Grinding machine and method for stripping ground workpiece

Technical Field

The invention relates to the field of workpiece machining, in particular to a grinding machine and a method for stripping a ground workpiece.

Background

In the field of workpiece machining, the application of the grinding machine is very wide, in particular to the field of workpiece machining of automobile parts, high-precision bearings, cutting tool measuring tools, refrigeration compressor parts, electronic components and the like. When the grinding machine is used, a workpiece to be ground is required to be placed in the carrier disc, and the workpiece to be ground in the carrier disc is taken out after grinding is completed. The shape of the workpiece to be polished is various, and some workpieces to be polished have a large surface area, and the contact area between the workpiece and the upper grinding disc is large during polishing, and since the polishing liquid needs to be added to the polishing machine during polishing, the workpiece to be polished is easily stuck to the upper grinding disc of the polishing machine after the upper grinding disc of the polishing machine is lifted after the polishing process is completed. Referring to fig. 1, a workpiece 6 to be ground is placed between a lower grinding disc 1 and an upper grinding disc 3, the lower grinding disc 1 is driven by a lower disc motor 2, the upper grinding disc 3 is driven by an upper disc motor 4 to grind, when the workpiece 6 to be ground is loaded, a carrying disc 5 is placed on the lower grinding disc 1, four carrying discs 5 are placed in the drawing, then the workpiece 6 to be ground is placed in a carrying disc hole 51, in the actual operation process, carrying disc holes 51 with different shapes are formed in the carrying discs 5 according to different workpieces 6 to be ground, and when the upper grinding disc 3 is lifted after the workpiece 6 to be ground is machined, part of the workpiece 6 to be ground is stuck on the upper grinding disc 3. In the existing operation, a hand is often required to be manually stretched into the space between the upper grinding disc and the lower grinding disc of the grinding machine, and a ground workpiece adhered to the upper grinding disc is taken down, so that the operation is not safe, and wastes time and labor.

Disclosure of Invention

In view of the above problems, the present invention has been made to provide a grinder and a ground workpiece peeling method that overcome or at least partially solve the above problems.

In a first aspect, embodiments of the present invention provide a grinding mill, which may include: the grinding device comprises a lower grinding disc 1, a lower disc motor 2 for driving the lower grinding disc 1, an upper grinding disc 3 positioned above the lower grinding disc 1, an upper disc motor 4 for driving the upper grinding disc 3, and an upper disc lifting mechanism 7 connected to the upper grinding disc 3 and used for lifting the upper grinding disc 3 so as to enable a ground workpiece 6 stuck on the upper grinding disc 3 to be away from the bottom of the upper grinding disc 3 and generate a preset distance with the lower grinding disc 1;

wherein the preset distance is smaller than the height of a carrier disc 5 which is positioned on the lower grinding disc 1 and is loaded with the grinded workpiece 6.

Alternatively, the upper tray lifting mechanism 7 may include: at least one first cylinder assembly 71, the output end of the first cylinder assembly 71 is connected with the upper part of the upper grinding disc 3.

Optionally, the first cylinder assembly 71 may include: the first air cylinder support is arranged on the first air cylinder support; wherein, the output of first cylinder is connected with the upper end of grinding mill hanging wall.

Alternatively, the upper tray lifting mechanism 7 may include: a second cylinder assembly 72, an upper disc drive shaft 73 and at least one third cylinder assembly 74 provided on the upper disc motor 4; wherein the content of the first and second substances,

the output end of the second cylinder assembly 72 is connected with the top of the upper grinding disc 3 through an upper disc driving shaft 73, so that the second cylinder assembly 72 drives the upper disc driving shaft 73 to ascend to drive the upper grinding disc 3 to ascend; the output end of the upper disc motor 4 is nested outside the upper disc driving shaft 73, and a key at the output end of the upper disc motor 4 is connected with the first key groove 731 of the upper disc driving shaft 73 through a bolt;

the third cylinder assembly 74 is located in the return range of the second cylinder assembly 72, and the output end of the third cylinder assembly 74 abuts against the top of the upper grinding disc 3 when extending out, so that the upper grinding disc 3 is fixed at a specified position in the vertical direction.

Optionally, the second cylinder assembly 72 may include: a second cylinder support 721, a second cylinder connecting portion 722, and a second cylinder 723; wherein the content of the first and second substances,

the second cylinder support 721 is detachably connected to the upper end of the upper disc motor 4; the second cylinder 723 is detachably connected to the upper end of the second cylinder support 721;

the second cylinder connector 722 is inserted into the hollow portion of the second cylinder holder 721, and the bottom of the second cylinder connector 722 is detachably connected to the top end of the upper plate driving shaft 73; the top of the second cylinder connecting portion 722 is connected to the output end of the second cylinder 723.

Alternatively, the second cylinder connecting portion 722 may include: a second cylinder connecting rod 7221, a second cylinder bearing top cap 7222, a second cylinder bearing base 7223 and two thrust ball bearings 7224; wherein the content of the first and second substances,

the top end of the second cylinder connecting rod 7221 is detachably connected with the output end of the second cylinder 723;

a connecting rod boss 7221A is arranged on the second cylinder connecting rod 7221, and the thrust ball bearings 7224 are distributed on two sides of the connecting rod boss 7221A and are nested on the second cylinder connecting rod 7221;

the second cylinder bearing top cap 7222 and the second cylinder bearing base 7223 are nested outside the second cylinder connecting rod 7221 and the thrust ball bearing 7224, and the second cylinder bearing top cap 7222 and the second cylinder bearing base 7223 are detachably connected;

the bottom of the second cylinder bearing mount 7223 is removably coupled to the top of the upper disc drive shaft 73.

Optionally, the second cylinder assembly 72 may further include: and the second cylinder flange 724 is detachably connected to the upper end of the second cylinder support 721, and the second cylinder 723 is detachably connected to the second cylinder flange 724.

Optionally, the third cylinder assembly 74 may include: a third cylinder support 741 and a third cylinder 742 detachably coupled to the third cylinder support 741;

a through hole 7411 is arranged on a horizontal plate of the third cylinder bracket 741 in the horizontal direction; the output end of the third cylinder 742 penetrates the through hole 7411, and the output end of the third cylinder 741 abuts the top end of the upper turn table 3 when extending.

Optionally, the third cylinder assembly 74 may further include: and a cylinder pressing block 742, wherein the cylinder pressing block 742 is positioned at the lower end of the through hole 7411 and connected to the output end of the third cylinder 742, and the cylinder pressing block 742 abuts against the top end of the upper grinding disc 3 when the output end of the third cylinder 742 extends.

Optionally, a vertical plate of the third cylinder support 741 in the vertical direction is provided with a long hole 7412;

the third cylinder assembly 74 may further include: at least one tensioning block 744; a bolt hole is formed in a horizontal transverse plate of the tensioning block 744, and a bolt penetrates through the bolt hole and abuts against the lower end of the third cylinder support 741.

Optionally, the grinder may further include an upper disc assembly 8, and the upper disc assembly 8 may include: an upper plate supporting plate 81, an upper plate fixing seat 82 positioned at the lower part of the upper plate supporting plate 81 and an upper plate flange 83 connected at the lower part of the upper plate fixing seat 82; wherein the upper disc tray 81 is nested on the outer surface of the upper disc drive shaft 73; the upper plate holder 82 is detachably attached to the second key groove 732 at the lower portion of the upper plate driving shaft 73; the upper disc 3 is detachably attached to the lower portion of the upper disc flange 83.

Optionally, the upper plate fixing seat 82 may include: a ball 821, an upper ball bracket 822, a lower ball bracket 823, a ball base 824, and a ball cover 825 connected to a bottom end of the upper disc driving shaft 73; wherein the content of the first and second substances,

a sphere boss 8211 is arranged in the middle of the sphere 821, and the sphere upper bracket 822 is positioned at the upper end of the sphere boss 8211 and is nested on the outer surface of the sphere 821; the sphere lower bracket 823 is positioned at the lower end of the sphere boss 8211 and is nested on the outer surface of the sphere 821;

the ball valve base 824 is nested outside the ball 821 and the ball lower bracket 823, and the ball valve cover 825 is nested outside the ball upper bracket 822; the ball valve base 824 is bolted to the ball valve cover 825.

Optionally, the upper disc assembly 8 may further include: an upper disk water guide chute 84, the upper disk water guide chute 84 being detachably attached to the upper end of the upper disk flange 83.

Optionally, the grinder may further include: a boom assembly 9, the boom assembly 9 may include: a cantilever 91 and an upper disc connecting part 92 embedded in a cylindrical cylinder 911 at one end of the cantilever 91; wherein, the upper disc motor 4 is connected to the upper part of the cylinder 911 of the cantilever 91 through the upper disc motor flange 41; the upper disc drive shaft 73 penetrates the upper disc connecting portion 92; the upper plate 81 is detachably attached to the lower end of the upper plate attaching portion 92.

Alternatively, the upper plate connecting part 92 may include: a bearing section 921 fitted to the outside of the upper disc drive shaft 73, and a sleeve 922 fitted to the outside of the bearing section 921; wherein the content of the first and second substances,

the shaft sleeve 922 is embedded in the cylindrical barrel 911 of the cantilever 91 in the horizontal direction; the shaft sleeve 922 is in bolted connection with the cantilever 91 through a bolt hole in the bottom boss 9221;

the bearing portion 921 may include: at least one pair of angular contact ball bearings 9211 fitted to the outer portion of the upper disc drive shaft 73, a bearing sleeve 9212 fitted to the outer portion of the upper disc drive shaft 73, a bearing bush 9213 fitted to the outer sides of the angular contact ball bearings 9211 and the bearing sleeve 9212, and a bearing retainer 9214 connected to the lower end of the bearing bush 9213; wherein the at least one pair of angular contact bearings 9211 are located at the upper and lower ends of the bearing sleeve 9212; the bearing retainer 9214 is positioned at the lower end of the angular contact bearing 9211 at the lower end of the bearing bushing 9213;

the upper plate supporting plate 81 is detachably connected to the bottom of the bearing retainer 9214.

Optionally, the grinder may further include: a size controller assembly B; the size controller assembly B may include: a size controller spool B1 fitted inside the upper disc drive shaft 73, a size controller pin B2 connected to the lower end of the size controller spool B1, a size controller bearing base B3 connected to the lower end of the size controller pin B2, and a probe B4 connected to the lower end of the size controller bearing base B3; wherein the size controller bearing seat B3 is located at the lower end of the upper disc drive shaft 73.

In a second aspect, an embodiment of the present invention provides a method for peeling off a workpiece to be ground, which may include:

lifting an upper grinding disc to enable the ground workpiece stuck on the upper grinding disc to be away from the bottom of the upper grinding disc and generate a preset distance between the lower grinding disc and the bottom of the upper grinding disc;

controlling the upper grinding disc and a carrier disc which is positioned on the lower grinding disc and is loaded with the ground workpiece to move relatively so as to peel the ground workpiece stuck on the upper grinding disc;

wherein the preset distance is smaller than the height of the carrying disc.

The technical scheme provided by the embodiment of the invention has the beneficial effects that at least:

the grinding machine provided by the embodiment of the invention comprises a lower grinding disc, a lower disc motor for driving the lower grinding disc, an upper grinding disc positioned above the lower grinding disc, an upper disc motor for driving the upper grinding disc and an upper disc lifting mechanism connected on the upper grinding disc, wherein the upper disc lifting mechanism is used for lifting the upper grinding disc so as to enable a ground workpiece stuck on the upper grinding disc to generate a preset distance between the bottom of the workpiece far away from the upper grinding disc and the lower grinding disc; wherein the preset distance is smaller than the height of the carrier disc loaded with the ground workpiece on the lower grinding disc. When the workpiece to be ground adhered to the upper grinding disc is peeled, the relative motion of the upper grinding disc and the carrying disc is controlled, so that the workpiece to be ground adhered to the upper grinding disc can be peeled. Not only improves the working efficiency and avoids the occurrence of accidents in manual operation, but also saves time and labor.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of a workpiece to be ground adhered to an upper grinding disc in the prior art;

FIG. 2 is a schematic structural diagram of a first embodiment provided in an example of the present invention;

FIG. 3 is a block diagram of a second implementation provided in an example of the present invention;

FIG. 4A is a front view of FIG. 3;

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

FIG. 5A is a right side view of FIG. 3;

FIG. 5B is a cross-sectional view of FIG. 5A in the direction B-B;

FIG. 6 is a structural view of an upper disc drive shaft provided in an embodiment of the present invention;

fig. 7A is a structural view of a second cylinder connecting portion provided in the embodiment of the invention;

FIG. 7B is a cross-sectional view taken along line D-D of FIG. 7A;

FIG. 7C is an exploded view of FIG. 7A;

FIG. 8 is a structural view of a third cylinder frame provided in the embodiment of the present invention;

FIG. 9A is a structural view of an upper plate holder provided in an embodiment of the present invention;

FIG. 9B is a cross-sectional view taken along line A-A of FIG. 9A;

FIG. 9C is an exploded view of FIG. 9A;

FIG. 10 is a schematic structural diagram of a dimensional controller assembly provided in an embodiment of the present invention;

FIG. 11 is a flow chart of a peeling method provided in an embodiment of the present invention;

wherein, 1 is a lower grinding disc; 2 is a lower disc motor; 3 is an upper grinding disc; 4 is a disc feeding motor; 5 is a carrying disc; 6 is a workpiece to be ground; 7 is an upper disc lifting mechanism; 8 is an upper disc component; 9 is a cantilever assembly; a is a grinder frame; b is a size controller component;

41 is an upper disc motor flange; 51 is a disc loading hole; 71 is a first cylinder assembly; 72 is a second cylinder assembly; 73 is an upper disc drive shaft; 74 is a third cylinder assembly; an upper tray 81 and an upper tray fixing seat 82; an upper disc flange 83; 84 is an upper plate water chute; 91 is a cantilever; 92 is an upper disc connecting part; b1 is a size controller conduit; b2 is a size controller guide rod; b3 is a size controller bearing seat; b4 is a probe;

721 is a second cylinder support; 722 is a second cylinder connection; 723 is a second cylinder; 724 is a second cylinder flange; 731 is a first keyway; 732 is a second keyway; 741 is a third cylinder support; 742 is the third cylinder; 743 is a cylinder briquetting; 744 is a tensioning block; 821 is a sphere; 822 is a sphere upper bracket; 823 is a sphere lower bracket; 824 is a ball valve base; 825 is a ball valve cover body; 911 is a cylinder; a bearing part 921; 922 is a shaft sleeve;

7221 is a second cylinder connecting rod; 7222 is a second cylinder bearing top cover; 7223 is a second cylinder bearing base; 7224 it is a thrust ball bearing; 7225 is a hub; 7411 is a through hole; 7412 is a slot; 8211 is spherical boss; 9211 is angular contact ball bearing; 9212 is a bearing sleeve; 9213 is a bearing bush; 9214 is a bearing retainer ring; 9221 is a bottom boss; 7221A is a connecting rod boss.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

An embodiment of the present invention provides a grinding machine, which may include a lower grinding disc 1, a lower disc motor 2 for driving the lower grinding disc 1, an upper grinding disc 3 positioned above the lower grinding disc 1, and an upper disc motor 4 for driving the upper grinding disc, as shown in fig. 2, wherein when the lower grinding disc and the upper grinding disc are used for processing a workpiece to be ground, the upper grinding disc needs to rotate to a position vertically overlapped with the lower grinding disc, then the upper grinding disc and the lower grinding disc are closed, and the workpiece to be ground is ground therebetween. The above grinder may further include: an upper disc lifting mechanism 7 connected to the upper grinding disc 3, wherein the upper disc lifting mechanism 7 is used for lifting the upper grinding disc 3 so as to enable the ground workpiece stuck on the upper grinding disc 3 to generate a preset distance between the bottom of the lower grinding disc 1 and the upper grinding disc 3;

wherein the preset distance is smaller than the height of the carrier disc loaded with the ground workpiece on the lower grinding disc.

According to the embodiment of the invention, the upper grinding disc is lifted by the upper disc lifting mechanism, so that a preset distance is generated between the bottom of a workpiece to be ground, which is stuck on the upper grinding disc and is far away from the upper grinding disc, and the lower grinding disc; wherein the preset distance is smaller than the height of the carrier disc loaded with the ground workpiece on the lower grinding disc. When the workpiece to be ground adhered to the upper grinding disc is peeled, the relative motion of the upper grinding disc and the carrying disc is controlled, so that the workpiece to be ground adhered to the upper grinding disc can be peeled. Not only improves the working efficiency and avoids the occurrence of accidents in manual operation, but also saves time and labor.

In this embodiment of the present invention, the upper disc lifting mechanism may include lifting mechanisms with various structures, and the stripping operation may be completed only if the upper grinding disc can be lifted by a preset distance, and the preset distance is smaller than the height of the carrier disc on the lower grinding disc, on which the workpiece to be ground is loaded.

The embodiment of the invention provides two different modes of upper disc lifting mechanisms, wherein the upper disc lifting mechanism in the first mode directly lifts the preset distance of the upper disc through the air cylinder, and realizes the lifting of different preset distances of the upper disc through adjusting the stroke of the air cylinder; the hanging wall hoist mechanism of second kind promotes the preset interval of runner stone indirectly through the cylinder of different application of force directions, uses through the cooperation of main cylinder and auxiliary cylinder to promote the runner stone, and is concrete, and the stroke of main cylinder is fixed, promotes the runner stone when the cylinder return stroke, and the auxiliary cylinder sets up in main cylinder return stroke within range, and the output of auxiliary cylinder with runner stone butt when stretching out, realizes promoting the different preset interval of runner stone through adjusting auxiliary cylinder's position.

The upper disc motor and the lower disc motor provided by the embodiment of the invention are worm gear motors, for example, the upper disc motor and the lower disc motor can be S series helical gear-worm gear speed reducers, and the series speed reducers are characterized in that: the helical gear is combined with the worm gear, so that the output is vertical, the structure is compact, the speed ratio is high, and the like. The installation type can be base type, flange type, small flange type and torsion arm type installation; the output mode is hollow shaft output.

Embodiment mode 1

Referring to fig. 2, the upper tray lifting mechanism 7 may include: at least one first cylinder assembly 71; the output end of the first cylinder assembly 71 is connected to the upper part of the upper grinding disc 3. The output end of the first cylinder assembly drives the upper grinding disc to move upwards for a preset distance in a return stroke.

In the embodiment of the invention, the lower grinding disc, the lower disc motor, the upper grinding disc and the upper disc motor of the grinding machine are arranged on a grinding machine frame, the lower disc motor is arranged in the grinding machine frame and is connected with the lower grinding disc through a lower disc flange, the upper disc motor is fixed on the grinding machine frame through a fixed support, and the upper grinding disc is connected with the upper disc motor through an upper disc flange. The fixing bracket in the embodiment of the present invention may be an upper disc bracket of a grinding machine existing in the prior art, or a rotatable cantilever mentioned below in the embodiment of the present invention, which is not particularly limited in the embodiment of the present invention.

In a specific embodiment, the first cylinder assembly may include: the first cylinder support is provided with a first cylinder; wherein, the output end of the first cylinder is connected with the upper end of the upper disc of the grinding machine. The first cylinder support is detachably connected to the fixed support or fixed to the cantilever, and the specific position of the first cylinder support is not limited in the embodiment of the invention as long as the first cylinder support can be lifted by a preset distance. In the embodiment of the invention, the return stroke of the first cylinder can be adjusted by clamping the limiting block at the output end of the first cylinder, namely, the back-and-forth end position and the buffer block the output end to control the stroke.

Embodiment mode 2

As shown in fig. 3 to 5B, the upper tray lifting mechanism 7 may include: a second cylinder assembly 72, an upper disc drive shaft 73 and at least one third cylinder assembly 74 provided on the upper disc motor 4; wherein the content of the first and second substances,

the output end of the second cylinder assembly 72 is connected to the top of the upper grinding disc 3 through an upper disc driving shaft 73, so that the second cylinder assembly 72 drives the upper disc driving shaft 73 to ascend to drive the upper grinding disc 3 to ascend; the output end of the upper plate motor 4 is fitted to the outside of the upper plate drive shaft 73, and a key at the output end of the upper plate motor 4 is connected to the first key groove of the upper plate drive shaft 73 by a bolt.

The third cylinder assembly 74 is located within the return range of the second cylinder assembly 72, and the output end of the third cylinder assembly 74 abuts against the top of the upper turn table 3 when extended, so that the upper turn table is fixed at a predetermined position in the vertical direction.

In the embodiment of the invention, the upper grinding disc 3, the upper disc motor 4 and the upper disc lifting mechanism 7 are installed on a cantilever 91, one end of the cantilever for installing the upper grinding disc is provided with a cylindrical barrel 911, the upper grinding disc 3 is positioned at the lower end of the cylindrical barrel 911, and the upper disc motor 4 is detachably connected to the upper end of the cylindrical barrel 911 and can be connected through a motor flange 41.

Referring to fig. 4B, 5B and 6, the upper disc driving shaft 73 is connected at its top end to the bottom end of the connecting portion 722 of the second cylinder assembly 72 by a bolt; the lower end of the disc drive shaft 73 is connected to the upper disc assembly 8, and the upper disc 3 is mounted to the lower end of the upper disc assembly 8. The key at the output end of the upper plate motor 4 is connected to the first key groove 731 of the upper plate driving shaft 73 by a bolt. The upper disc driving shaft can be lifted under the action of the second air cylinder assembly 72 so as to drive the upper disc assembly and the upper disc to lift, and can also drive the upper disc 3 to rotate under the drive of the upper disc motor 4.

In an alternative embodiment, as shown in fig. 3-5B, the second cylinder assembly 72 may include: a second cylinder support 721, a second cylinder connecting portion 722, and a second cylinder 723; wherein, the second cylinder support 721 is detachably connected to the upper end of the upper disc motor 4; the second cylinder 723 is detachably coupled to an upper end of the second cylinder supporter 721; the second cylinder connector 722 is fitted into a hollow portion of the second cylinder holder 721, and a bottom portion of the second cylinder connector 722 is detachably connected to a top end of the upper disc driving shaft 73; the top of the second cylinder connecting part 722 is connected to the output end of the second cylinder 723.

In the embodiment of the invention, the second air cylinder bracket is of a hollow structure, the outer side of the second air cylinder bracket is provided with a plurality of notches, and the arranged notches can facilitate the installation of a control circuit.

Specifically, as shown in fig. 7A, 7B and 7C, the second cylinder connecting portion 722 may include: a second cylinder connecting rod 7221, a second cylinder bearing top cap 7222, a second cylinder bearing base 7223 and two thrust ball bearings 7224; the top end of the second cylinder connecting rod 7221 is detachably connected to the output end of the second cylinder 723, and in the embodiment of the present invention, the top end is connected to the output end of the second cylinder connecting rod by a bolt.

The second cylinder connecting rod 7221 is provided with a connecting rod boss 7221A, and the thrust ball bearings 7224 are disposed on both sides of the connecting rod boss 7221A and are nested in the second cylinder connecting rod 7221; the connecting rod boss 7221A is annularly provided on the second cylinder connecting rod 7221.

The second cylinder bearing top cover 7222 and the second cylinder bearing base 7223 are fitted to the outside of the second cylinder connecting rod 7221 and the thrust ball bearing 7224, and the second cylinder bearing top cover 7222 and the second cylinder bearing base 7223 are detachably coupled; the embodiment of the invention can be connected with the reserved bolt holes through bolts. The bottom of the second cylinder bearing mount 7223 is detachably connected to the top of the upper disc drive shaft 73.

The second cylinder connecting rod 7221 may also be connected to a hub 7225, which in the present embodiment is a T-shaped hub, to facilitate routing of the probe assembly in the grinder.

According to the second cylinder connecting part provided by the embodiment of the invention, the second cylinder can be connected with the upper disc driving shaft firstly, so that the second cylinder can drive the upper disc driving shaft to lift and further drive the upper disc to lift; secondly, second cylinder bearing top cap and second cylinder bearing base can rotate at the horizontal direction of second cylinder connecting rod, when last dish motor drive hanging wall drive axle rotates and drives the rotation of upper abrasive disc, can avoid the second cylinder rotatory effectively.

In an alternative embodiment, referring to fig. 3-5B, the second cylinder assembly 72 may further include: and a second cylinder flange 724, the second cylinder flange 724 being detachably coupled to an upper end of the second cylinder support 721, and the second cylinder 723 being detachably coupled to the second cylinder flange 724. Above-mentioned second cylinder flange can couple together second cylinder support and second cylinder effectively, and easy to assemble and dismantlement, second cylinder flange can bear great pressure simultaneously, can avoid second cylinder support edge atress inhomogeneous and destroyed.

In an alternative embodiment, and as shown with reference to fig. 3-5A, the third cylinder assembly 74 may include: a third cylinder supporter 741, and a third cylinder 742 detachably coupled to the third cylinder supporter 741. The third cylinder provided by the embodiment of the present invention may be an existing cylinder in the prior art, and the type of this cylinder is not specifically limited in the embodiment of the present invention.

Referring to fig. 8, a through hole 7411 is formed in a horizontal plate of the third cylinder bracket 741 in a horizontal direction; the output end of the third cylinder penetrates through the through hole, and the output end of the third cylinder abuts against the top end of the upper grinding disc when extending out.

In an alternative embodiment, referring to fig. 3, 4A, 4B, and 5A, the third cylinder assembly 74 may further include: and an air cylinder weight 743, the air cylinder weight 743 being positioned at a lower end of the through hole 7411 and connected to an output end of the third air cylinder 742, the air cylinder weight 743 contacting a top end of the upper grinding disc 3 when the output end of the third air cylinder is extended. The contact surface of the cylinder pressing block and the upper grinding disc is large, so that the upper grinding disc (the upper disc tray in the upper disc assembly in the embodiment of the invention) is prevented from being extruded and deformed, and good conduction and protection effects are achieved.

In an alternative embodiment, referring to fig. 8, the third cylinder support 741 has a long hole 7412 formed in a vertical plate.

Referring to fig. 3 to 5A, the third cylinder assembly 74 may further include: at least one tensioning block 744; and a bolt hole is formed in a transverse plate of the tensioning block in the horizontal direction, and a bolt penetrates through the bolt hole and abuts against the lower end of the third cylinder support.

The long hole in the vertical plate in the vertical direction of the third cylinder support provided by the embodiment of the invention is matched with the tensioning block, so that the height of the third cylinder can be effectively adjusted, and a preset distance is generated between the bottom of a workpiece to be ground, which is stuck on the upper grinding disc and is far away from the upper grinding disc, and the lower grinding disc, so that the workpiece to be ground, which is stuck on the upper grinding disc, can be peeled. In the embodiment of the invention, two third cylinder assemblies are arranged on the cantilever, and the output ends of the third cylinder assemblies jointly act on the upper grinding disc (the upper disc assembly which is connected with the upper grinding disc) when extending.

In an alternative embodiment, as shown with reference to fig. 3-5B, the grinder may further include: an upper tray assembly 8, the upper tray assembly 8 comprising: an upper plate supporting plate 81, an upper plate fixing seat 82 positioned at the lower part of the upper plate supporting plate and an upper plate flange 83 connected at the lower part of the upper plate fixing seat 82; wherein the upper tray 81 is fitted on the outer surface of the upper tray driving shaft 73; the upper plate fixing seat 82 is detachably connected to a second key groove at the lower part of the upper plate driving shaft 82; the upper turn table 3 is detachably attached to a lower portion of the upper turn flange 83.

The upper disc assembly provided in the embodiment of the invention mainly plays a role in fixedly mounting the upper disc, because the upper disc is frequently used and is easy to wear, and the upper disc cannot be directly connected with the driving motor under the influence of materials and structures, the upper disc driving shaft and the upper disc are connected by using the upper disc assembly. Specifically, referring to FIG. 6, the upper plate holder of the upper plate assembly is removably attached to the second keyway 732 in the lower portion of the upper plate drive shaft.

More specifically, as shown in fig. 9A, 9B and 9C, the upper plate holder 82 may include: a ball 821, an upper ball bracket 822, a lower ball bracket 823, a ball base 824, and a ball cover 825 connected to the bottom end of the upper disc drive shaft 73; a sphere boss 8211 is disposed in the middle of the sphere 821, and the sphere upper bracket 822 is disposed at the upper end of the sphere boss 8211 and is embedded in the outer surface of the sphere 821; the sphere lower bracket 823 is located at the lower end of the sphere boss 8211 and is nested on the outer surface of the sphere 821; the ball valve base 824 is fitted to the outer portions of the ball 821 and the ball lower holder 823, and the ball valve cover 825 is fitted to the outer portion of the ball upper holder 822; the ball valve base 824 is bolted to the ball valve cover 825. In the embodiment of the invention, the upper disc fixing seat can be stably connected with the upper disc flange, and the upper disc driving shaft drives the upper disc fixing seat to lift and rotate, so that the upper disc is lifted and rotated.

In an alternative embodiment, as shown in fig. 3, the upper plate assembly 8 further comprises: and an upper tray water guide groove 84, wherein the upper tray water guide groove 84 is detachably connected to the upper end of the upper tray flange 83. In the embodiment of the invention, the upper part of the upper disc flange is provided with the groove, so that the upper disc water guide groove can be installed, and grinding liquid or water and the like can be conveniently added in the grinding process.

In one particular embodiment, as shown with reference to fig. 3-5B, the grinder may further include: a boom assembly 9, the boom assembly 9 may include: a cantilever 91 and an upper plate connecting part 92 fitted into a cylindrical tube 911 at one end of the cantilever 91; wherein the upper disc motor 4 is detachably connected to the upper part of the cylindrical cylinder 911 of the arm 91 via the upper disc motor flange 41; the upper disc driving shaft 73 penetrates through the upper disc connecting part 92, and the upper disc connecting part is clamped at the convex part of the upper disc driving shaft, so that the upper disc driving shaft can drive the upper disc connecting part to ascend and descend and can rotate in the upper disc connecting part; the upper tray 81 is detachably attached to the lower end of the upper tray connecting portion 92.

More specifically, as shown in fig. 4B, the upper plate connecting part 92 may include: a bearing section 921 fitted in an outer portion of the upper disc drive shaft 73, and a sleeve 922 fitted in an outer portion of the bearing section 921; wherein the sleeve 922 is fitted into the cylindrical tube 911 of the grinding machine in the horizontal direction of the arm 91; the boss 922 is bolted to the bottom end of the cantilever 91 via a bolt hole in the bottom boss 9221. The bearing section 921 may include: at least one pair of angular ball bearings 9211 fitted to the outside of the upper disc drive shaft 73, a bearing sleeve 9212 fitted to the outside of the upper disc drive shaft 73, a bearing bush 9213 fitted to the outside of the angular ball bearings 9211 and the bearing sleeve 9212, and a bearing retainer 9214 connected to the lower end of the bearing bush 9212; wherein, the at least one pair of angular contact bearings 9211 are located at the upper end and the lower end of the bearing sleeve 9212, and two pairs of the angular contact bearings 9211 are provided in the embodiment of the present invention; the retainer ring 9214 is positioned at the lower end of the angular contact bearing 9211 at the lower end of the bearing bush 9213, and is used for nesting the angular contact bearing at the lowest end; the upper plate 81 is detachably attached to the bottom of the retainer 9214.

The bearing bush 9213 according to the embodiment of the present invention is provided with a sliding groove, so that the upper disk driving shaft can slide on the sleeve 922 fitted to the outside when moving up and down, and can be driven by the upper disk motor to rotate, and the upper disk driving shaft can rotate independently inside the bearing portion without affecting the upper disk connecting portion.

In an alternative embodiment, as shown with reference to fig. 5B and 10, the grinder may further include: a size controller assembly B; the size controller assembly B is embedded in the upper tray drive shaft 73, and its wiring section is routed through a hub. The size controller assembly B may include: a size controller spool B1 fitted into the upper disc drive shaft 73, a size controller pin B2 connected to the lower end of the size controller spool B1, a size controller bearing base B3 connected to the lower end of the size controller pin, and a probe B4 connected to the lower end of the size controller bearing base B3; wherein the size controller bearing seat is located at a lower end of the upper disc drive shaft 73.

The size controller assembly provided by the embodiment of the invention can be matched with the reference block on the lower grinding disc for use, and when the upper grinding disc and the lower grinding disc are completely attached, the probe is contacted with the reference block, so that the probe can finish zero point correction. In the grinding process, the size controller assembly is used for controlling the processed thickness, so that accurate processing can be realized.

Example two

An embodiment of the present invention provides a method for peeling a ground workpiece, which is shown in fig. 11, and may include the following steps:

and step S1, lifting the upper grinding disc, so that the workpiece to be ground, which is stuck on the upper grinding disc, is away from the bottom of the upper grinding disc, and a preset distance is generated between the lower grinding disc and the bottom of the upper grinding disc.

Because the carrier plate loaded with the workpiece to be ground is provided with the carrier plate hole for loading the workpiece to be ground, the workpiece to be ground adhered on the upper grinding plate can be peeled off through the carrier plate as long as the lowest end of the workpiece to be ground in the vertical direction does not depart from the carrier plate hole.

And step S2, controlling the upper grinding disc and a carrier disc which is positioned on the lower grinding disc and is loaded with the grinded workpiece to move relatively so as to peel the grinded workpiece stuck on the upper grinding disc. Wherein the preset distance is smaller than the height of the carrying disc.

The relative motion refers to the rotation of the upper grinding disc relative to the carrying disc, and can be realized by independently controlling the rotation of the upper grinding disc or independently controlling the rotation of the carrying disc, so that a ground workpiece adhered to the upper grinding disc can be peeled off; the upper grinding disc and the carrier disc can also be controlled to rotate together, when the upper grinding disc and the carrier disc rotate in the same direction, the ground workpiece adhered to the upper grinding disc can be peeled off as long as the rotation speeds are inconsistent, and the specific operation is not particularly limited in the embodiment of the invention.

In the embodiment of the invention, the stripping method can effectively strip the ground workpiece adhered on the upper grinding disc, thereby not only improving the working efficiency and avoiding accidents caused by manual operation, but also saving time and labor.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. The present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. A grinding mill comprising: lower mill (1), drive lower mill motor (2) of lower mill (1), be located the last mill (3) and the drive of lower mill (1) top go up the dish motor (4) of mill (3), its characterized in that still includes: an upper disc lifting mechanism (7) connected to the upper grinding disc (3) and used for lifting the upper grinding disc (3) so as to enable the ground workpiece (6) stuck on the upper grinding disc (3) to generate a preset distance between the bottom, far away from the upper grinding disc (3), of the lower grinding disc (1);

wherein the preset distance is smaller than the height of a carrier disc (5) which is positioned on the lower grinding disc (1) and is loaded with the ground workpiece (6).

2. A grinding mill according to claim 1, characterized in that the upper disc lifting mechanism (7) comprises: at least one first cylinder assembly (71); the first cylinder assembly (71) comprises: the first air cylinder support is arranged on the first air cylinder support;

wherein, the output of first cylinder is connected with the upper end of grinding mill hanging wall.

3. A grinding mill according to claim 1, characterized in that the upper disc lifting mechanism (7) comprises: a second cylinder assembly (72), an upper plate drive shaft (73) and at least one third cylinder assembly (74) disposed on the upper plate motor (4); wherein the content of the first and second substances,

the output end of the second cylinder assembly (72) is connected with the top of the upper grinding disc (3) through an upper disc driving shaft (73), so that the second cylinder assembly (72) drives the upper disc driving shaft (73) to ascend to drive the upper grinding disc (3) to ascend; the output end of the upper disc motor (4) is nested outside the upper disc driving shaft (73);

the third cylinder assembly (74) is positioned in the return range of the second cylinder assembly (72), and the output end of the third cylinder assembly (74) abuts against the top of the upper grinding disc (3) when extending out, so that the upper grinding disc (3) is fixed at a specified position in the vertical direction.

4. A grinding mill according to claim 3, characterized in that the second cylinder assembly (72) comprises: a second cylinder support (721), a second cylinder connecting part (722) and a second cylinder (723); wherein the content of the first and second substances,

the second cylinder bracket (721) is detachably connected to the upper end of the upper disc motor (4); the second cylinder (723) is detachably connected to the upper end of the second cylinder support (721); the second cylinder connecting part (722) is embedded into the hollow part of the second cylinder bracket (721), and the bottom of the second cylinder connecting part (722) is detachably connected with the top end of the upper disc driving shaft (73); the top of the second cylinder connecting part (722) is connected with the output end of the second cylinder (723);

the second cylinder connection portion (722) includes: the second cylinder connecting rod (7221), a second cylinder bearing top cover (7222), a second cylinder bearing base (7223) and two thrust ball bearings (7224); wherein the content of the first and second substances,

the top end of the second cylinder connecting rod (7221) is detachably connected with the output end of the second cylinder (723);

a connecting rod boss (7221A) is arranged on the second cylinder connecting rod (7221), and the thrust ball bearings (7224) are distributed on two sides of the connecting rod boss (7221A) and are nested on the second cylinder connecting rod (7221);

the second cylinder bearing top cap (7222) and the second cylinder bearing base (7223) are nested outside the second cylinder connecting rod (7221) and the thrust ball bearing (7224), the second cylinder bearing top cap (7222) and the second cylinder bearing base (7223) are removably connected;

the bottom of the second cylinder bearing mount (7223) is removably coupled to the top of the upper disc drive shaft (73).

5. A grinding mill according to claim 3, characterized in that the third cylinder assembly (74) comprises: a third cylinder support (741) and a third cylinder (742) detachably connected to the third cylinder support (741);

a through hole (7411) is formed in a horizontal transverse plate of the third cylinder bracket (741); the output end of the third air cylinder (742) penetrates through the through hole (7411), and when the output end of the third air cylinder (742) extends out, the output end of the third air cylinder abuts against the top end of the upper grinding disc (3).

6. A grinding mill according to claim 5, characterized in that:

a vertical plate of the third cylinder bracket (741) in the vertical direction is provided with a long hole (7412);

the third cylinder assembly (74) further includes: at least one tensioning block (744); a bolt hole is formed in a transverse plate of the tensioning block (744) in the horizontal direction, and a bolt penetrates through the bolt hole and abuts against the lower end of the third cylinder support (741).

7. A grinding mill according to claim 3, characterized in that it further comprises an upper disc assembly (8), the upper disc assembly (8) comprising: the upper disc supporting plate (81), an upper disc fixing seat (82) positioned at the lower part of the upper disc supporting plate (81) and an upper disc flange (83) connected to the lower part of the upper disc fixing seat (82); wherein the content of the first and second substances,

the upper disc tray (81) is nested on the outer surface of the upper disc driving shaft (73); the upper disc fixing seat (82) is detachably connected to the lower part of the upper disc driving shaft (73); the upper grinding disc (3) is detachably connected to the lower part of the upper disc flange (83);

the upper plate holder (82) includes: a ball (821) connected to the bottom end of the upper disc driving shaft (73), an upper ball bracket (822), a lower ball bracket (823), a ball valve base (824), and a ball valve cover (825); wherein the content of the first and second substances,

a sphere boss (8211) is arranged in the middle of the sphere (821), and the sphere upper bracket (822) is positioned at the upper end of the sphere boss (8211) and is embedded in the outer surface of the sphere (821); the sphere lower bracket (823) is positioned at the lower end of the sphere boss (8211) and is nested on the outer surface of the sphere (821);

the ball valve base (824) is nested outside the ball (821) and the ball lower bracket (823), and the ball valve cover (825) is nested outside the ball upper bracket (822); the ball valve base (824) is connected with the ball valve cover body (825) through bolts.

8. A grinding mill according to claim 7, further comprising: a boom assembly (9), the boom assembly (9) comprising: a cantilever (91) and an upper disc connecting part (92) embedded in a cylindrical cylinder (911) at one end of the cantilever (91); wherein the content of the first and second substances,

the upper disc motor (4) is connected to the upper part of the cylindrical barrel (911) of the cantilever (91) through the upper disc motor flange (41);

the upper disc drive shaft (73) penetrates through the upper disc connecting part (92);

the upper plate supporting plate (81) is detachably connected to the lower end of the upper plate connecting part (92).

9. A grinding mill according to claim 8, characterized in that the upper disc connection (92) comprises: a bearing section (921) fitted in an outer portion of the upper disc drive shaft (73), and a sleeve (922) fitted in an outer portion of the bearing section (921); wherein the content of the first and second substances,

the shaft sleeve (922) is embedded into a cylindrical barrel (911) of the cantilever (91) in the horizontal direction; the shaft sleeve (922) is in bolt connection with the cantilever (91) through a bolt hole in a bottom boss (9221);

the bearing section (921) includes: at least one pair of angular contact ball bearings (9211) nested outside the upper disc driving shaft (73), a bearing sleeve (9212) nested outside the upper disc driving shaft (73), a bearing bushing (9213) nested outside the angular contact ball bearings (9211) and the bearing sleeve (9212), and a bearing retainer ring (9214) connected to the lower end of the bearing bushing (9213); wherein the at least one pair of angular contact bearings (9211) are located at upper and lower ends of the bearing sleeve (9212); the bearing retainer ring (9214) is positioned at the lower end of the angular contact bearing (9211) at the lower end of the bearing bush (9213);

the upper disc supporting plate (81) is detachably connected to the bottom of the bearing retainer ring (9214).

10. A method of stripping an abraded workpiece, comprising:

lifting an upper grinding disc to enable the ground workpiece stuck on the upper grinding disc to be away from the bottom of the upper grinding disc and generate a preset distance between the lower grinding disc and the bottom of the upper grinding disc;

controlling the upper grinding disc and a carrier disc which is positioned on the lower grinding disc and is loaded with the ground workpiece to move relatively so as to peel the ground workpiece stuck on the upper grinding disc;

wherein the preset distance is smaller than the height of the carrying disc.

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