CN215617076U - Vertical ball polishing machine - Google Patents

Abstract

The utility model discloses a vertical ball polishing machine which comprises a longitudinal grinding device, wherein the longitudinal grinding device comprises a longitudinal grinding force column, a longitudinal grinding mechanism, a longitudinal grinding feeding mechanism and a longitudinal grinding driving mechanism, the longitudinal grinding mechanism comprises a swing arm, a longitudinal grinding cross arm and a longitudinal grinding motor, a longitudinal grinding wheel is connected with the longitudinal grinding motor, the longitudinal grinding motor is connected with a sliding block, a cylinder body of a longitudinal grinding cylinder is connected with the longitudinal grinding cross arm, a piston rod of the longitudinal grinding cylinder is connected with the sliding block I, the longitudinal grinding driving mechanism comprises a longitudinal grinding main motor and a longitudinal grinding main shaft, the longitudinal grinding main shaft and the longitudinal grinding main motor are installed on the longitudinal grinding force column, the longitudinal grinding feeding mechanism is installed on the longitudinal grinding force column and comprises a motor and a speed reducing mechanism, a counterweight component is installed on the longitudinal grinding cross arm, and the longitudinal grinding motor is connected with the counterweight component. Through being equipped with the counter weight, suitably adjust the counter weight according to the needs of processing work piece, can reduce the pressure of cylinder when the burnishing time, reduce because the damage of atmospheric pressure too big to cylinder and air feed part.

Description

Vertical ball polishing machine

Technical Field

The utility model relates to the technical field of polishing machines, in particular to a vertical ball polishing machine.

Background

In the prior art, for example, when a swinging arm swings up and down in an arc shape to drive a rotating cutting wheel, for example, when a grinding wheel or the like is used for processing a spherical surface along the up and down direction on a workpiece, a motor driving the cutting wheel to rotate tends to move down along a guide rail under the action of self weight when the motor is at a ball top position. Although the motor moves along the guide rail under the driving of the cylinder, when the ball top of the workpiece is machined, because the motor is at the ball top, under the self-weight action of the motor, the cylinder can be ground only by small air pressure during grinding, when the ball bottom of the workpiece is machined, the motor falls down due to the self-weight of the motor, and the air pressure of the cylinder is required to be pushed up, the reliable contact between the grinding wheel and the surface of the workpiece can be ensured, so that the grinding operation can be reliably and efficiently conducted, but because the quality of the motor is heavier, the rotating speed of the grinding wheel is higher, the contact force between the grinding wheel and the workpiece is unstable and larger, the grinding wheel is easy to wear and damage, and the quality and the efficiency of product machining are influenced. In addition, when the transverse feed machining is performed on the concave surface or the boss positioned between the base and the spherical surface, because the mass including the motor, the speed reducer and the rotating mechanism is relatively heavy, and meanwhile, the whole transverse grinding machining part is influenced by factors such as the shape of a workpiece, equipment, the installation position of the cutting wheel and the like, the contact force of the cutting wheel and the workpiece is easy to be unstable when the cutting wheel is in contact with the workpiece, and the cutting wheel and the workpiece are damaged due to overlarge stress.

In addition, in the prior art, the grinding wheel generally adopts a forming wheel, the size and the shape of the forming wheel are fixed, and as the size of the forming wheel is fixed, some forming wheels are even wider, the process requirements cannot be met and the grinding wheel cannot be polished or polished in place for some small-sized spheres; in addition, due to the limitation of the structure of the grinding sheet, the grinding sheet cannot swing in place, so that an arc transition surface cannot be machined, or the corner position to be polished cannot be polished in place.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provides a vertical ball polishing machine. The balance weight is arranged, and the balance weight is properly adjusted according to the requirement of a machined workpiece, so that the pressure of the air cylinder during polishing can be reduced, and the damage to the air cylinder and an air supply part due to overlarge air pressure is reduced.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

a vertical ball polishing machine comprises a machine base, a longitudinal grinding device and a workpiece mounting base, wherein the longitudinal grinding device is mounted on the machine base, the workpiece mounting base is mounted on the machine base, the longitudinal grinding device comprises a longitudinal grinding force column, a longitudinal grinding mechanism, a longitudinal grinding feeding mechanism and a longitudinal grinding driving mechanism, the longitudinal grinding mechanism comprises a longitudinal grinding wheel, a swinging arm, a longitudinal grinding cross arm and a longitudinal grinding motor which grind in the vertical direction, the longitudinal grinding wheel is connected with the longitudinal grinding motor, the longitudinal grinding motor is connected with a sliding block, a guide rail I is arranged on the longitudinal grinding cross arm, the longitudinal grinding motor is connected with the longitudinal grinding cross arm through the cooperation of the sliding block I and the guide rail, a cylinder body of the longitudinal grinding cylinder is connected with the longitudinal grinding cross arm, a piston rod of the longitudinal grinding cylinder is connected with the sliding block I, a longitudinal grinding guide rail is arranged on the swinging arm, a sliding block II is connected on the longitudinal grinding cross arm, the longitudinal grinding cross arm is matched with the longitudinal grinding guide rail through the sliding block II, the longitudinal grinding driving mechanism comprises a longitudinal grinding main motor and a longitudinal grinding main shaft, the longitudinal grinding main shaft is connected with a longitudinal grinding main motor, the swing arm is connected with the longitudinal grinding main shaft, the longitudinal grinding main shaft and the longitudinal grinding main motor are installed on a longitudinal grinding force column, a longitudinal grinding feeding mechanism is installed on the longitudinal grinding force column, the longitudinal grinding feeding mechanism drives a longitudinal grinding driving mechanism to achieve longitudinal grinding feeding, the longitudinal grinding feeding mechanism comprises a motor and a speed reducing mechanism, a counterweight component is installed on a longitudinal grinding cross arm, and the longitudinal grinding motor is connected with the counterweight component.

The counterweight assembly comprises a first fixed pulley assembly, a second fixed pulley assembly, a movable pulley assembly, a pull rope and a balancing weight, the first fixed pulley assembly and the second fixed pulley assembly are installed on the longitudinal grinding cross arm, the balancing weight is connected with the movable pulley assembly, the first fixed pulley assembly is installed on one side of the balancing weight, the second fixed pulley assembly is installed on one side of the longitudinal grinding motor, and the first fixed pulley assembly, the second fixed pulley assembly and the movable pulley assembly are connected through the pull rope.

Still include the violently mill device, the violently mill device includes violently mill stand, conversion polishing device, violently grinds elevating system, violently grinds feed mechanism, and the violently power post is connected with the frame opposite side, violently grind elevating system includes power unit, violently mill slide, elevating screw, and power unit and screw connection, screw and screw cooperation, screw and violently grind the slide and be connected, and the screw supports on violently grinding the stand, and conversion polishing device and leg joint, the support passes through the decompression mechanism and is connected with violently grinding the slide, and violently grind the slide and is connected the vertical migration that realizes violently grinding the slide at the violently mill stand with violently grinding the stand.

The support is installed on the bent plate, the bent plate is connected with the cross grinding sliding plate, the bent plate moves up and down along the cross grinding sliding plate, the bent plate is connected with the cylinder body of the cross grinding cylinder, and the end part of a piston rod of the cross grinding cylinder is connected with the support.

The pressure reducing mechanism comprises a spring pressure reducing component, or a suspension type single hydraulic prop, or a counterweight component.

The counterweight component can adopt a structure similar to the counterweight component, and comprises a third fixed pulley component, a second movable pulley component, a second pull rope and a second counterweight block, wherein the third fixed pulley component is arranged on the cross grinding slide plate, the second counterweight block is connected with the second pull rope through one end of the second movable pulley component, and the other end of the second pull rope is connected with the bent plate.

When the suspended single hydraulic prop is adopted, the lower part of the suspended single hydraulic prop is connected with the lower part and the upper part of the cross grinding sliding plate.

The spring pressure reducing component comprises a pressure reducing spring, a spring mounting seat and an upper connecting plate, the lower part of the cross grinding sliding plate is provided with a lower spring mounting seat, the lower end of the pressure reducing spring is connected with the spring mounting seat, the upper end of the pressure reducing spring is connected with the upper connecting plate, and the upper connecting plate is connected with the bent plate.

The bent plate comprises a vertical connecting portion and a horizontal connecting portion, a vertical sliding block is arranged on the vertical connecting portion, a vertical guide rail is arranged on the cross grinding sliding plate, the vertical sliding block is matched with the vertical guide rail, the bent plate moves up and down along the cross grinding sliding plate, a horizontal guide rail is arranged on the horizontal connecting portion, a horizontal sliding block is arranged on the lower portion of the support, the horizontal guide rail is matched with the horizontal sliding block, a cross grinding cylinder is arranged on the horizontal connecting portion of the bent plate, a cylinder body of the cross grinding cylinder is connected with the bent plate, and the end portion of a piston rod of the cross grinding cylinder is connected with the support.

The utility model has the beneficial effects that:

1. according to the vertical ball polishing machine, the counterweight component is mounted on the longitudinal grinding cross arm, and the longitudinal grinding motor is connected with the counterweight component. The utility model can reduce the pressure of the cylinder during polishing and reduce the damage to the cylinder and an air supply part due to overlarge air pressure by arranging the balance weight and properly adjusting the balance weight according to the requirement of processing a workpiece. The problem of the processing to the work piece ball end that prior art exists, because of the motor dead weight whereabouts, need the atmospheric pressure that the cylinder is big to push up, thereby can guarantee that emery wheel and work piece surface reliably contact and reliably polish the operation with high efficiency is solved, but because the motor quality is heavier, emery wheel rotational speed is higher, the contact force of emery wheel and work piece is unstable and bigger, the emery wheel is worn and torn and is harmd easily, influences the quality and the efficiency of product processing.

2. Through increasing the counter weight, during the luffing motion of swing arm, the counter weight relies on the dead weight can change the pulling force point automatically, polish processing to the top and change the weight that arouses because of motor weight, avoid the quality of motor all to act on the too big emery wheel that exists of effort that arouses on the work piece and the damage of work piece through the emery wheel, thereby make the cylinder keep the contact and the grinding work of emery wheel with the work piece at less pressure, thereby guarantee processingquality under the effect of cylinder keeps the stability of emery wheel and work piece contact force, avoid emery wheel and the harm that the work piece caused because the unbalance instability of atress.

3. The counterweight assembly comprises a first fixed pulley assembly, a second fixed pulley assembly, a movable pulley assembly, a pull rope and a counterweight block, wherein the first fixed pulley assembly and the second fixed pulley assembly are arranged on a longitudinal grinding cross arm, the counterweight block is connected with the movable pulley assembly, the first fixed pulley assembly is arranged on one side of the counterweight block, the second fixed pulley assembly is arranged on one side of a longitudinal grinding motor, and the first fixed pulley assembly, the second fixed pulley assembly and the movable pulley assembly are connected through the pull rope. Is convenient to disassemble, assemble and replace so as to adapt to the processing and use of workpieces with different sizes.

4. According to the utility model, the horizontal connecting part of the bent plate is provided with the transverse grinding cylinder, the cylinder body of the transverse grinding cylinder is connected with the bent plate, the end part of the piston rod of the transverse grinding cylinder is connected with the bracket, and acting force is applied to the bracket through the transverse grinding cylinder, so that a grinding wheel applies grinding force to a workpiece during grinding processing, and the efficiency and quality of the grinding processing are ensured. The support is supported on the cross grinding sliding plate through the bent plate, the upper connecting plate and the pressure reducing spring and is in a suspension state. The grinding wheel swings to polish the large surface of the step, and when the stress is too large, the support is lifted up integrally to release the pressure, so that the grinding wheel is prevented from being damaged and broken due to too large pressure.

5. Through conversion polishing device and leg joint, the support passes through the relief mechanism and is connected with the sideslip slide, and the sideslip slide is connected with the sideslip stand and is realized the vertical migration of sideslip slide at the sideslip stand. The bracket 23 and the bent plate 34 are arranged at the front end of the vertical arm, the component of the vertical arm can be removed, namely the weight of the vertical arm moving along the guide rail is light, the pneumatic pressure of the front and back movement of the rotary polishing device is reduced by component reduction, the contact force between the grinding wheel and the step surface of the polished base is small when the grinding wheel is used for polishing the step surface of the base, and the risk of crushing the grinding wheel is reduced. The problem of among the prior art with the horizontal grinding cylinder setting be close to the base position, install the moving part on the frame, rotatory burnishing device etc. are installed on horizontal grinding stand, horizontal grinding stand is installed on the moving part, promote the reliable contact of horizontal grinding emery wheel and machined part and realize the whole horizontal grinding stand that reliable grinding exists and rather than the weight of the part including rotatory burnishing device in of being connected all apply on the moving part that the lower part is connected with horizontal grinding stand, moving part and foretell structure are heavier, the horizontal grinding cylinder driving force that needs is great, the energy consumption has been increased, the wearing and tearing of cylinder and matched with guide rail slider have also been increaseed, use and maintenance cost has been increased, life is reduced.

6. According to the utility model, through adopting the pressure reducing mechanisms such as the spring pressure reducing component, the suspended single hydraulic prop, the counterweight component and the like, and by adding the spring component and other structures, the lifting force for converting the polishing device to move up and down is reduced, and the damage of the polishing wheel caused by polishing the step surface of the ball is avoided. By adopting the pressure reducing mechanism, when the front rotary horizontal grinding is carried out, the bracket is lifted when the lifting force is overlarge, and the weight is supported on the spring at ordinary times. The conversion polishing device is pulled, the dead weight of the support conversion device is reduced, and the damage risk of the polishing step surface grinding wheel is reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a bottom view of FIG. 1;

FIG. 4 is a left side view of FIG. 1;

fig. 5 is an enlarged view of part I of fig. 1.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments.

As shown in fig. 1-5, a vertical ball polishing machine comprises a machine base 1, a longitudinal grinding device and a workpiece mounting base, wherein the longitudinal grinding device is mounted on the machine base and comprises a longitudinal grinding force column 4, a longitudinal grinding mechanism, a longitudinal grinding feed mechanism and a longitudinal grinding drive mechanism, the longitudinal grinding force column is connected with one side of the machine base 1, the longitudinal grinding mechanism comprises a longitudinal grinding wheel 5 for grinding in the vertical direction, a swing arm 6, a longitudinal grinding cross arm 7 and a longitudinal grinding motor 8, the longitudinal grinding wheel 5 is connected with the longitudinal grinding motor 8, the longitudinal grinding motor 8 is connected with a slide block, the longitudinal grinding cross arm 7 is provided with a first guide rail, the longitudinal grinding motor 8 is connected with the longitudinal grinding cross arm 7 through the first slide block and the guide rail in a matching manner, a cylinder body of a longitudinal grinding cylinder 32 is connected with the longitudinal grinding cross arm 7, a piston rod of the longitudinal grinding cylinder is connected with the first slide block, the swing arm 6 is provided with a longitudinal grinding guide rail 31, the longitudinal grinding cross arm 7 is connected with a second slide block, the longitudinal grinding 7 is matched with the longitudinal grinding guide rail 31 through the second slide block, indulge and grind actuating mechanism including indulging mill owner motor 9, indulge mill main shaft 10 with indulge and grind owner motor 9 and be connected, swing arm 6 with indulge and grind main shaft 10 and be connected, indulge mill main shaft 10 and indulge and grind owner motor 9 and install on indulge the power post 4, install on indulgeing the power post 4 and indulge and grind feed mechanism, indulge and grind feed mechanism and drive indulge mill actuating mechanism and realize indulging the mill and feed, indulge and grind feed mechanism and include motor and reduction gears 11, install the counter weight subassembly on indulging grinding xarm 7, indulge and grind motor 8 and counter weight subassembly and be connected. The longitudinal grinding device can be obtained on the basis of the prior art. Of course, the workpiece attachment chuck 3 may be attached to the workpiece attachment seat 2, and the workpiece attachment chuck 3 may be connected to the workpiece rotation power mechanism 33.

The counterweight component comprises a first fixed pulley component 12, a second fixed pulley component 13, a movable pulley component 14, a pull rope 16 and a counterweight block 15, the first fixed pulley component 12 and the second fixed pulley component 13 are installed on the longitudinal grinding cross arm, the counterweight block 15 is connected with the movable pulley component 14, the first fixed pulley component 12 is installed on one side of the counterweight block 15, the second fixed pulley component 13 is installed on one side of the longitudinal grinding motor 8, and the first fixed pulley component 12, the second fixed pulley component 13 and the movable pulley component 4 are connected through the pull rope 16.

When the ball body and the step at the lower part do not have a round-angle arc surface, the main motor drives the swing arm to rotate through the longitudinal grinding main shaft, the swing arm drives the longitudinal grinding cross arm to rotate, the longitudinal grinding motor moves on the longitudinal grinding cross arm, the grinding head swings, and the longitudinal grinding motor drives the longitudinal grinding wheel to rotate so as to grind a workpiece, so that the surface to be polished can be conveniently polished.

Through increasing the counter weight, during the luffing motion of swing arm, the counter weight relies on the dead weight can change the pulling force point automatically, polish processing to the top and change the weight that arouses because of motor weight, avoid the quality of motor all to act on the too big emery wheel that exists of effort that arouses on the work piece and the damage of work piece through the emery wheel, thereby make the cylinder keep the contact and the grinding work of emery wheel with the work piece at less pressure, thereby guarantee processingquality under the effect of cylinder keeps the stability of emery wheel and work piece contact force, avoid emery wheel and the harm that the work piece caused because the unbalance instability of atress.

Through being equipped with the counter weight, suitably adjust the counter weight according to the needs of processing work piece, can reduce the pressure to cylinder when the bottom buffing, reduce because the damage of atmospheric pressure too big to cylinder and air feed part.

The vertical grinding device and the horizontal grinding device are installed on the machine base 1, and the workpiece installation base 2 is installed in the middle of the machine base. The transverse grinding device can be obtained by adding a pressure reducing mechanism on the basis of the transverse grinding device in the prior art.

The cross grinding device comprises a cross grinding upright post 17, a conversion polishing device, a cross grinding lifting mechanism and a cross grinding feeding mechanism, wherein the cross grinding force post 17 is connected with the other side of the machine base 1, the cross grinding feeding mechanism comprises a cross grinding feeding motor and a speed reducing mechanism 18, the cross grinding lifting mechanism comprises a power mechanism, a cross grinding sliding plate 24, a lifting screw and a nut, the power mechanism is connected with the screw, the screw is matched with the nut, the nut is connected with the cross grinding sliding plate, the screw is supported on the cross grinding upright post 17, the conversion polishing device is connected with a support 23, the support 23 is connected with the cross grinding sliding plate 24 through a pressure reducing mechanism, and the cross grinding sliding plate 24 is matched with the cross grinding upright post 17 through a guide rail sliding block and the screw nut to realize the vertical movement of the cross grinding sliding plate 24 on the cross grinding upright post 17. The power mechanism comprises a transverse grinding lifting motor and a speed reducing mechanism 25.

The conversion polishing device comprises a transverse grinding wheel 19, a transverse grinding mechanism 22, a transverse grinding motor 20, a transverse grinding rotating mechanism 21 and a transverse grinding rotating mechanism positioning cylinder 30, wherein the transverse grinding feeding mechanism is connected with the machine base 1 through guide rail slide block matching and lead screw nut matching and moves along the machine base 1 to realize horizontal feeding of the transverse grinding wheel 19 of the transverse grinding mechanism, a transverse grinding power mechanism is connected with the upper part of a transverse grinding upright post, the grinding wheel motor 20 is connected with the transverse grinding mechanism 22 through the transverse grinding rotating mechanism 21, and the transverse grinding rotating mechanism 21, the grinding wheel automatic conversion motor 20 and the transverse grinding mechanism 22 are connected on a support 23.

The support 23 is installed on a bent plate 34, the bent plate 34 is connected with the cross grinding sliding plate 24, the bent plate moves up and down along the cross grinding sliding plate 24, the bent plate 34 is connected with a cylinder body of the cross grinding cylinder 29, and the end part of a piston rod of the cross grinding cylinder 29 is connected with the support 23.

The pressure reducing mechanism comprises a spring pressure reducing component, or a suspension type single hydraulic prop, or a counterweight component. By adopting the pressure reducing mechanism, when the front rotary horizontal grinding is carried out, the bracket is lifted when the lifting force is overlarge, and the weight is supported on the spring at ordinary times. The conversion device is pulled, the dead weight of the support conversion device is reduced, and the damage risk of the grinding wheel for polishing the stepped surface is reduced.

The counterweight component can adopt a structure similar to the counterweight component, and comprises a third fixed pulley component, a second movable pulley component, a second pull rope and a second counterweight block, wherein the third fixed pulley component is arranged on the cross grinding sliding plate 2, the second counterweight block is connected with the second pull rope through one end of the second movable pulley component, and the other end of the second pull rope is connected with the bent plate 34.

When the suspension type single hydraulic prop is adopted, the lower part of the suspension type single hydraulic prop is connected with the lower part and the upper part of the cross grinding sliding plate 24 and the bent plate 34.

The spring pressure reducing component comprises a pressure reducing spring 26, a spring mounting seat 27 and an upper connecting plate 28, the lower part of the cross grinding sliding plate 24 is provided with a lower spring mounting seat 27, the lower end of the pressure reducing spring 26 is connected with the spring mounting seat 27, the upper end of the pressure reducing spring is connected with the upper connecting plate 28, the upper connecting plate 28 is connected with a bent plate 34,

the bent plate comprises a vertical connecting part 342 and a horizontal connecting part 341, a vertical sliding block is arranged on the vertical connecting part 342, a vertical guide rail is arranged on the cross grinding sliding plate 24, the vertical sliding block is matched with the vertical guide rail, the bent plate moves up and down along the cross grinding sliding plate 24, a horizontal guide rail is arranged on the horizontal connecting part 342, a horizontal sliding block 231 is arranged on the lower part of the support 23, the horizontal guide rail is matched with the horizontal sliding block 231, a cross grinding cylinder 29 is arranged on the horizontal connecting part 342 of the bent plate 34, the cylinder body of the cross grinding cylinder 29 is connected with the bent plate 34, the end part of a piston rod of the cross grinding cylinder 29 is connected with the support 23, acting force is applied to the support 23 through the cross grinding cylinder 29, and therefore grinding force is applied to a grinding wheel during grinding machining, and the efficiency and the quality of grinding machining are guaranteed. The bracket 23 is supported on the cross grinding sliding plate 24 through the bent plate 34, the upper connecting plate 28 and the pressure reducing spring 26 in a suspension state. The grinding wheel swings to polish the large surface of the step, and when the stress is too large, the support is lifted up integrally to release the pressure, so that the grinding wheel is prevented from being damaged and broken due to too large pressure.

The bracket 23 and the bent plate 34 are arranged at the front end of the vertical arm, the weight of the vertical arm can be removed by about 150 kilograms, and the pneumatic pressure for moving the rotary polishing device back and forth is reduced through weight reduction. Reduce the driving force of horizontal grinding cylinder 29, specifically: in the prior art, a transverse grinding cylinder is arranged at a position close to a base, a moving part is arranged on a machine base 1, a rotary polishing device and the like are arranged on a transverse grinding upright post 17, the transverse grinding upright post 17 is arranged on the moving part, so that the transverse grinding wheel is pushed to be reliably contacted with a workpiece to realize reliable grinding, and the grinding efficiency is improved, in the prior art, the weight of the whole transverse grinding upright post 17 and parts connected with the transverse grinding upright post and comprising the rotary polishing device is applied to the moving part connected with the transverse grinding upright post 17 at the lower part, then the transverse grinding cylinder at the lower part pushes the moving part to ensure that the grinding wheel is reliably contacted with the workpiece to ensure the grinding efficiency and quality, the moving part and the structure are heavier, the required transverse grinding cylinder 29 has larger driving force, the energy consumption is increased, the abrasion of the cylinder and a guide rail slide block matched with the cylinder is increased, the use and maintenance cost is increased, and the service life is shortened, meanwhile, due to the fact that the sizes of different machined parts are different and the whole weight is heavy, the conversion polishing device cannot move up and down conveniently, and the grinding wheel is broken easily. The grinding wheel is arranged on the step surface of the grinding base, the contact force between the grinding wheel and the step surface of the ground base is small, and the risk of crushing the grinding wheel is reduced.

In addition, through adopting pressure reducing mechanisms such as a spring pressure reducing component, a suspended single hydraulic prop, a counterweight component and the like, the spring is added through up-and-down movement, the bench force of the conversion polishing device is reduced, and the damage of the polishing wheel caused by the step surface of the polishing ball is avoided.

In the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for the purpose of describing the present invention but do not require that the present invention must be constructed or operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected" and "connected" in the present invention should be interpreted broadly, and may be connected or disconnected, for example; the terms may be directly connected or indirectly connected through intermediate components, and specific meanings of the terms may be understood as specific conditions by those skilled in the art.

The above description is of the preferred embodiment of the present invention, and the description of the specific embodiment is only for better understanding of the idea of the present invention. It will be appreciated by those skilled in the art that various modifications and equivalents may be made in accordance with the principles of the utility model and are considered to be within the scope of the utility model.

Claims (9)

1. A vertical ball polishing machine comprises a machine base, a longitudinal grinding device and a workpiece mounting base, wherein the longitudinal grinding device is mounted on the machine base, and the workpiece mounting base is mounted on the machine base The longitudinal grinding main shaft is connected with a longitudinal grinding main motor, the swinging arm is connected with the longitudinal grinding main shaft, the longitudinal grinding main shaft and the longitudinal grinding main motor are installed on a longitudinal grinding force column, a longitudinal grinding feeding mechanism is installed on the longitudinal grinding force column, the longitudinal grinding feeding mechanism drives a longitudinal grinding driving mechanism to realize longitudinal grinding feeding, the longitudinal grinding feeding mechanism comprises a motor and a speed reducing mechanism, a counterweight component is installed on a longitudinal grinding cross arm, and the longitudinal grinding motor is connected with the counterweight component.

2. The vertical ball grinder according to claim 1, wherein the weight assembly comprises a first fixed pulley assembly, a second fixed pulley assembly, a movable pulley assembly, a pull rope and a weight block, the first fixed pulley assembly and the second fixed pulley assembly are mounted on the longitudinal grinding cross arm, the weight block is connected with the movable pulley assembly, the first fixed pulley assembly is mounted on one side of the weight block, the second fixed pulley assembly is mounted on one side of the longitudinal grinding motor, and the first fixed pulley assembly, the second fixed pulley assembly and the movable pulley assembly are connected through the pull rope.

3. The vertical ball grinder according to claim 1, further comprising a cross grinding device, wherein the cross grinding device is mounted on the base, the cross grinding device comprises a cross grinding column, a conversion grinding device, a cross grinding elevating mechanism and a cross grinding feeding mechanism, the cross grinding column is connected with the other side of the base, the cross grinding elevating mechanism comprises a power mechanism, a cross grinding sliding plate, an elevating screw rod and a screw nut, the power mechanism is connected with the screw rod, the screw rod is matched with the screw nut, the screw nut is connected with the cross grinding sliding plate, the screw rod is supported on the cross grinding column, the conversion grinding device is connected with a support, the support is connected with the cross grinding sliding plate through a pressure reducing mechanism, and the cross grinding sliding plate is connected with the cross grinding column to realize the vertical movement of the cross grinding sliding plate on the cross grinding column.

4. The vertical ball grinder of claim 3, wherein the bracket is mounted on a curved plate, the curved plate is connected to the cross mill slide plate, the curved plate moves up and down along the cross mill slide plate, the curved plate is connected to the cylinder body of the cross mill cylinder, and the end of the piston rod of the cross mill cylinder is connected to the bracket.

5. The vertical ball grinder of claim 3, wherein the pressure relief mechanism comprises a spring pressure relief member, or a floating hydraulic prop, or a weighted member.

6. The vertical ball grinder according to claim 5, wherein the weight member is a structure similar to the weight member, and comprises a third fixed pulley assembly, a second movable pulley assembly, a second pull rope, and a second counter weight, the third fixed pulley assembly is mounted on the cross-grinding slide plate, the second counter weight is connected to the second pull rope through one end of the second movable pulley assembly, and the other end of the second pull rope is connected to the bent plate.

7. The vertical ball grinder according to claim 5, wherein a suspension type single hydraulic prop is used, and the lower portion of the suspension type single hydraulic prop is connected to the lower portion of the cross grinding slide plate, and the upper portion of the suspension type single hydraulic prop is connected to the curved plate.

8. The vertical ball grinder according to claim 5, wherein the spring pressure reducing member comprises a pressure reducing spring, a spring mounting seat and an upper connecting plate, the cross grinding slide plate is provided with a lower spring mounting seat at the lower part, the lower end of the pressure reducing spring is connected with the spring mounting seat, the upper end of the pressure reducing spring is connected with the upper connecting plate, and the upper connecting plate is connected with the bent plate.

9. The vertical ball grinder as defined in claim 4, wherein the bending plate comprises a vertical connecting portion and a horizontal connecting portion, the vertical connecting portion is provided with a vertical slider, the cross grinding slide plate is provided with a vertical guide rail, the vertical slider is engaged with the vertical guide rail, the bending plate moves up and down along the cross grinding slide plate, the horizontal connecting portion is provided with a horizontal guide rail, the lower portion of the holder is provided with a horizontal slider, the horizontal guide rail is engaged with the horizontal slider, the horizontal connecting portion of the bending plate is provided with a cross grinding cylinder, the cylinder body of the cross grinding cylinder is connected with the bending plate, and the end portion of the piston rod of the cross grinding cylinder is connected with the holder.

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