CN220660497U - Polishing mechanism - Google Patents

Abstract

The utility model relates to the field of sand blasting and polishing, in particular to a polishing mechanism, which comprises an organism, wherein a spray gun head for delivering polishing sand is formed in a sand blasting station in the organism; the rotary disc is arranged in the sand blasting station, the rotary disc is positioned below the sand blasting opening, and the sand blasting path of polishing sand is intersected with a local area of the rotary disc, which is close to the edge, so that the position of the rotary disc between workpieces is always changed during working, and the rotary disc is switched back and forth between the sand blasting area and the non-sand blasting area, thereby realizing automatic polishing of a plurality of workpieces.

Description

Polishing mechanism

Technical Field

The utility model relates to the field of sand blasting and polishing, in particular to a polishing mechanism.

Background

A shot-blasting machine, an apparatus for imparting acceleration to abrasive grains, impacting the surface of a workpiece in a high-speed ejection manner, and achieving the polishing purpose, is disclosed in patent document 1.

However, the shot-blasting machine of patent document 1 cannot automatically polish a plurality of workpieces during use, because the method of manual polishing is adopted in patent document 1, and the method of manual polishing has the problems of low efficiency, uneven finish and brightness in quality, and poor product stability.

The patent document 1 is a shot blasting machine of patent No. 202222744928.3.

Disclosure of Invention

In order to solve the problems, the utility model provides a multi-axis polishing mechanism which is used for replacing a manual polishing mode and solves the problems of poor stability and low productivity caused by manual polishing.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a polishing mechanism, includes the organism, forms in the inside sandblast station of organism, has the spray gun head that will polish sand and send out, its characterized in that still is equipped with the rotary disk that is located spray gun head below in the sandblast station, and the sandblast mouth of spray gun head is towards the local region on rotary disk surface, and the work piece of installing on the rotary disk can follow the rotary disk and rotate for polish sand can impact polishing on the polishing face of a plurality of work pieces.

Further, a workpiece mounting seat is arranged on the rotating disc and used for positioning a workpiece, the workpiece mounting seat is provided with an accommodating space with an upward opening, and the workpiece is inserted into the accommodating space.

Further, the workpiece mounting seat is provided with a tail end connected with the rotary disk, a notch extends towards the tail end direction at the edge of the opening, the aperture of the opening is smaller than the radial length of the workpiece, an expanding effect is formed on the side wall of the workpiece mounting seat after the workpiece is mounted in the accommodating space, and the workpiece is tightly contacted with the side wall of the workpiece mounting seat to prevent the workpiece from being flushed by polishing sand.

The rotary motor is arranged at the center of the rotary disk, the output end of the rotary motor can drive the rotary disk to rotate, the workpiece mounting seat is provided with a tail end connecting part penetrating through the bottom surface of the rotary disk, the bottom surface of the tail end connecting part is of an open structure and can be used for the driven roller to enter, the open structure is in interference fit, the peripheral surface of the driven roller, which is arranged outside the tail end connecting part, is sleeved with a first driven wheel, a motor shaft of the rotary motor is sleeved with a second driven wheel which is parallel to the first driven wheel, any one of the first driven wheel and the second driven wheel is sleeved with a first transmission belt, the peripheral surface of the first driven wheel is also sleeved with a spacer, the peripheral surface of the first driven wheel is divided into a first part and a second part, the first transmission belt is sleeved on the first part, the second parts of the plurality of the first driven wheels are sleeved with the same second transmission belt, when the rotary disk rotates, the workpiece mounting seat rotates in a revolution mode, and the workpiece mounting seat can also rotate in a rotation mode.

Further, the workpiece mounting seats are arranged in a plurality and distributed at the edge of the rotating disc in a ring-shaped distribution mode.

Further, still include shaft coupling and PLC controlled electromagnetic clutch, the rotating electrical machines passes through the shaft coupling drive rotary disk and rotates, the shaft coupling has the link that extends to rotary disk bottom surface direction, the link cover is in the electromagnetic clutch through PLC control, have annular structure's clutch plate in the electromagnetic clutch, the clutch plate is relative with the bottom surface of rotary disk, after electromagnetic clutch circular telegram, whole electromagnetic clutch can all follow the length direction of link and remove to the bottom surface of rotary disk, until the locating hole that is furnished with on the rotary disk bottom surface is connected with the location bump block that clutch plate surface was equipped with, when the rotating electrical machines drive, rotary disk and work piece mount pad are rotatory, after electromagnetic clutch is unpowered, the clutch can slide on the link because of self gravity, the rotating electrical machines drive work piece mount pad is rotatory.

Further, the connecting end is also sleeved with a supporting cushion block and a clamp which are positioned above the electromagnetic clutch, the supporting cushion block and the clamp are arranged in the inner ring surface of the electromagnetic clutch, the clamp is used for supporting the supporting cushion block, and the clamp cushion block is in clearance fit with the connecting end.

Further, a plurality of compaction columns distributed in an annular array are arranged below the rotary disk, and the distance between the compaction columns and the central shaft of the rotary disk is equal to or smaller than the distance between the driven roller and the central shaft of the rotary disk, so that the compaction columns press the first transmission belt to the central shaft of the rotary disk, the tensioning effect of the first transmission belt is adjusted, and friction force which can be used in transmission is generated between the first transmission belt and the first transmission wheel.

Further, a pair of opposite adjusting plates are arranged in the machine body, a movable space for the rotating motor to move is reserved between the adjusting plates, a step is arranged on the inner side of the adjusting plates, a sliding seat matched with the step in a sliding mode is arranged at the upper end of the outer wall of the rotating motor, and the rotating motor moves linearly along the length direction of the step under the action of the sliding seat.

Further, the rotary disc lifting device also comprises a lifting cylinder, wherein the lifting cylinder is positioned below the rotary motor, a piston rod of the lifting cylinder corresponds to the bottom surface of the rotary motor, and the piston rod of the lifting cylinder jacks up the rotary motor, so that the height of the rotary disc is raised;

the utility model has the beneficial effects that:

the rotary disc is arranged in the sand blasting station, the rotary disc is positioned below the sand blasting opening, and the sand blasting path of polishing sand is intersected with a local area of the rotary disc, which is close to the edge, so that the position between workpieces is always changed during the working of the rotary disc, and the workpiece is switched back and forth between the sand blasting area and the non-sand blasting area, thereby realizing the automatic polishing of a plurality of workpieces.

Drawings

Fig. 1 is a perspective view of a first embodiment.

Fig. 2 is a diagram showing a connection relationship between the rotating disk and the height adjusting mechanism.

Fig. 3 is an enlarged schematic view at B of fig. 2.

Fig. 4 is a schematic view of the expanded internal structure of the present utility model.

Fig. 5 is an enlarged schematic view at a of fig. 4.

Fig. 6 is a schematic diagram of the connection relationship between the first driven wheel and the driven wheel.

Fig. 7 is a schematic diagram of the rotary disk separated from the electromagnetic clutch.

Fig. 8 is a schematic view of the other direction of fig. 7.

Fig. 9 is a structural view of the connection of the rotary disk and the rotary motor.

Fig. 10 is a diagram showing a connection relationship between the electromagnetic clutch and the second driven roller.

Fig. 11 is a cross-sectional view in the other direction of fig. 9.

Fig. 12 is an enlarged schematic view at C of fig. 11.

Fig. 13 is a schematic view of the further direction of fig. 9.

Fig. 14 is a structural diagram of the inductor.

Fig. 15 is a structural diagram of the second embodiment.

Fig. 16 is an enlarged schematic view at D of fig. 15.

Fig. 17 is a top view of the second embodiment employing 6 workpiece mounts.

FIG. 18 is a top view of a second embodiment employing 10 workpiece mounts

Reference numerals illustrate: 1. a body; 2. a lance head; 3. a rotating disc; 31. a workpiece mounting seat;

31a, a containing space; 31b, openings; 31c, notch;

32. positioning holes; 300. a first driven wheel; 300a, a first part; 300b, a second part;

301. a second driven wheel; 302. a spacer;

303. a first drive belt; 304. a second drive belt; 305. driven roller;

4. a rotating electric machine; 5. an electromagnetic clutch; 51. a clutch plate; 51a, positioning the bumps;

6. a coupling; 61. a connection end; 62. supporting cushion blocks; 63. a clamp;

700. a machine table; 701. a connecting rod; 702. a support bar; 703. a movable member;

703a, a head positioning end; 704. a positioning seat; 705. a threaded hole; 8. a compression column;

9. positioning a cylinder; 10. positioning columns; 10a, positioning grooves; 11. a joint;

12. an inductor; 12a, a sensing region; 13. and (5) a bolt. 14. An adjustment plate; 14a, steps;

4a, a sliding seat; 15. a lifting cylinder;

Detailed Description

As shown in fig. 1-14, this embodiment is a polishing mechanism, which comprises a machine body 1, wherein a sand blasting station is arranged in the machine body 1, the sand blasting station is a sealed space in the machine body 1, a spray gun head 2 and a rotary disk 3 are arranged in the sand blasting station, the rotary disk 3 is positioned below the spray gun head 2, and a sand blasting opening on the spray gun head 2 is a local area towards the edge of the rotary disk 3, so that the area of the surface of the rotary disk 3 close to the edge is divided into a sand blasting area and a non-sand blasting area in a relation with the position of the sand blasting opening, a plurality of workpieces can be placed on the rotary disk 3, and under rotation, all the workpieces on the rotary disk 3 are impacted and polished in a one-by-one mode by polishing sand.

The rotary disc 3 is arranged in the sand blasting station, the rotary disc 3 is positioned below the sand blasting opening, and the sand blasting path of polishing sand is intersected with a local area of the rotary disc 3, which is close to the edge, so that the position between workpieces is always changed during the working of the rotary disc 3, and the sand blasting area and the non-sand blasting area are switched back and forth, thereby realizing the automatic polishing of a plurality of workpieces.

The rotating disk 3 is provided with a workpiece mounting seat 31 for positioning a workpiece, the workpiece mounting seat 31 is provided with a containing space 31a with an upward opening 31b, the workpiece is inserted into the containing space 31a, in addition, the workpiece mounting seat 31 is provided with a tail end connected with the rotating disk 3, a notch 31c extends towards the tail end direction at the edge of the opening 31b, the aperture of the opening 31b is smaller than the radial length of the workpiece, after the workpiece is mounted in the containing space 31a, an expanding effect is formed on the side wall of the workpiece mounting seat 31, the workpiece is tightly contacted with the side wall of the workpiece mounting seat 31, and the workpiece is prevented from being flushed by polishing sand.

The power source of the rotary disk 3 is a rotary motor 4 arranged on the bottom surface of the rotary disk 3, the rotary motor 4 is positioned at the center of the rotary disk 3, the output end of the rotary motor 4 can drive the rotary disk 3 to rotate, in addition, a plurality of workpiece mounting seats 31 are arranged and distributed at the edge of the rotary disk 3 in a ring-shaped distribution mode, the workpiece mounting seats 31 are provided with tail end connecting parts which penetrate through the bottom surface of the rotary disk 3, the bottom surface of the tail end connecting parts is of an open structure for the driven roller 305 to enter, the open structure is in interference fit, the peripheral surface of the driven roller 305 positioned outside the tail end connecting parts is sleeved with a first driven roller 300, the motor shaft of the rotary motor 4 is sleeved with a second driven roller 301 which is parallel to the first driven roller 300, any one of the first driven wheel 300 and the second driven wheel 301 is sleeved with the first driving belt 303, a spacer 302 is sleeved on the peripheral surface of the first driven wheel 300, the peripheral surface of the first driven wheel 300 is divided into a first part 300a and a second part 300b, the first driving belt 303 is sleeved on the first part 300a, and the second parts 300b of the plurality of first driven wheels 300 are sleeved with the same second driving belt 304, so that when the rotating disc 3 rotates, the workpiece mounting seat 31 is switched back and forth between a sand blasting area and a non-sand blasting area in a revolution mode, and the workpiece mounting seat 31 can also rotate in a rotation mode, so that a polishing surface can extend to different sides of a workpiece, and the polishing effect is better; in addition, the power sources of the rotating disk 3 and the workpiece mounting seat 31 are the same rotating motor 4, so that a plurality of power sources can be omitted in structure, the problem of adopting a plurality of power sources is solved, the flow of rotating the workpiece mounting seat 31 is reduced, and the structure of the equipment is optimized.

For the use of the spacer 302, interference between the first transmission belt 303 and the second transmission belt 304 during rotation is avoided.

The motor shaft is sleeved with a coupler 6, the coupler 6 is provided with a connecting end 61 extending towards the bottom surface of the rotating disc 3, the connecting end 61 is sleeved with an electromagnetic clutch 5 controlled by a PLC, a second driven wheel 301 is sleeved on the electromagnetic clutch 5, the connecting end 61 is also sleeved with a supporting cushion block 62 and a clamp 63 which are positioned above the electromagnetic clutch 5, the clamp 63 is used for supporting the supporting cushion block 62, the supporting cushion block 62 and the connecting end 61 are in clearance fit, when the rotating motor 4 is driven, the supporting cushion block 62 is in a static state and does not rotate along with the connecting end 61, in addition, a clutch plate 51 with an annular structure in the electromagnetic clutch 5 is opposite to the bottom surface of the rotating disc 3, the supporting cushion block 62 and the clamp 63 are in an inner annular surface, after the electromagnetic clutch 5 is electrified, the whole electromagnetic clutch 5 moves towards the bottom surface of the rotating disc 3 along the length direction of the connecting end 61 until a positioning hole 32 on the bottom surface of the rotating disc 3 is in clamping connection with a positioning salient point 51a of the surface of the clutch plate 51, when the rotating disc 3 is driven by the rotating motor 4, the coupler 6 is in a larger contact area with the rotating disc 3 through the clutch plate 51 when the rotating disc 3 is driven, and the clutch plate 51 is driven by the rotating disc 3; after the electromagnetic clutch 5 is not energized, the electromagnetic clutch 5 slides down the connection end 61 due to its own weight, and the positioning protruding point 51a is disengaged from the positioning hole 32.

Since the electromagnetic clutch 5 is a prior art, the specific structure and principle thereof will not be described here in detail.

The machine body 1 is internally provided with a height adjusting mechanism for adjusting the height of the rotary disk 3, the height adjusting mechanism comprises an organic table 700, a connecting rod 701 and four groups of adjusting parts, the surface of the machine table 700 is provided with a through hole, a rotary motor 4 is fixed on the bottom surface of the machine table 700, the upper end of a coupler 6 is sleeved by a supporting gasket 62 after passing through the through hole, a supporting bar 702 is arranged between the inner walls of the machine body 1, the adjusting parts are arranged on the supporting bar 702, the adjusting parts are formed by combining a movable part 703 by sliding up and down on the side surface of a positioning seat 704, wherein the movable part 703 is provided with a head positioning end 703a, the head positioning end 703a extends out of the side surface of the movable part 703 and is kept in a position relation opposite to the head top surface of the positioning seat 704, the head top surface of the positioning seat 704 and the head positioning end 703a are respectively provided with opposite threaded holes 705, an adjusting screw is connected by threads from top to bottom through the threaded holes 705, two ends of the connecting rod 701 penetrate the machine table 700 and are connected with the two movable parts 703, and the connecting rod 701 is provided with two parts;

when the height of the rotary disk 3 needs to be adjusted, only the screw needs to be disassembled, the position of the movable piece 703 is adjusted, and then the movable piece 703 is positioned by screwing.

The screw holes 705 of the height adjusting mechanism are all upward, and the adjustment of the screw holes 705 is easy to operate.

In addition, a plurality of compaction columns 8 distributed in a ring array are arranged below the rotating disk 3, and the distance between the compaction columns 8 and the central axis of the rotating disk 3 is equal to or smaller than the distance between the driven roller 305 and the central axis of the rotating disk 3, so that the compaction columns 8 press the first transmission belt 303 to the central axis of the rotating disk 3, the tensioning effect of the first transmission belt 303 is adjusted, and a friction force capable of being used in transmission is generated between the first transmission belt 303 and the first driven wheel 300.

The spray gun head 2 is a part of a sand blasting mechanism in the polishing mechanism, a shot blasting mechanism is integrated in the sand blasting mechanism, the shot blasting mechanism is an utility model patent of a shot blasting mechanism with the patent number of 202121047693.1, and the specific structure of the shot blasting mechanism is not repeated.

In addition, a positioning cylinder 9 is further arranged on the side face of the machine table 700, a positioning column 10 is further arranged on the bottom face of the rotating disc 3, a positioning groove 10a is further arranged on the bottom face of the positioning column 10, a connector 11 matched with the positioning groove 10a in shape is arranged on a piston rod of the positioning cylinder 9, the positioning cylinder 9 can drive the connector 11 to be clamped with the positioning groove 10a, and when a single workpiece is subjected to sand blasting, the impact force of polishing sand is prevented from being too large, so that the rotating disc 3 rotates.

It should be further noted that, the side of the machine 700 is further provided with an inductor 12, the bolt 13 disposed on the bottom surface of the end connection portion moves along with the rotating disc 3, a partial area in the moving path of the bolt 13 is overlapped with the sensing area 12a of the inductor 12, and after the inductor 12 detects that the bolt 13 passes through, the positioning cylinder 9 drives the positioning column 10 to move, so that the inductor 12 determines the rotating amplitude of the rotating disc 3, and ensures the corresponding relation between the positioning slot 10a and the positioning column 10.

As shown in fig. 15 to 16, in the second embodiment, a pair of opposite adjusting plates 14 are provided in the machine body 1, a movable space for moving the rotary motor 4 is reserved between the adjusting plates 14, a step 14a is provided on the inner side of the adjusting plate 14, a sliding seat 4a in sliding fit with the step 14a is provided on the upper end of the outer wall of the rotary motor 4, the rotary motor 4 moves linearly along the length direction of the step 14a under the action of the sliding seat 4a, and the rotary disk 3 driven by the rotary motor 4 also moves linearly.

In the second embodiment, the height adjusting mechanism is a lifting cylinder 15, the lifting cylinder 15 is located below the rotating motor 4, and a piston rod of the lifting cylinder 15 corresponds to the bottom surface of the rotating motor 4, and the piston rod of the lifting cylinder 15 lifts up the rotating motor 14, thereby raising the height of the rotating disk 3.

Since the sliding of the rotary electric machine 4 on the adjustment plate 14 is a fine adjustment, the rotary electric machine 4 is not displaced from the piston rod of the lifting cylinder 15.

Typically, the number of workpiece mounts is between 2 and 10, and fig. 17-18 are schematic illustrations of the second embodiment in using a different number of workpiece mounts 31, respectively a top view of 6 workpiece mounts and 10 workpiece mounts, the use of 6 and 10 is not a further limitation of the number, but merely to provide various embodiments.

The above embodiments are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the scope of protection defined by the claims of the present utility model without departing from the spirit of the design of the present utility model.

Claims (10)

1. The utility model provides a polishing mechanism, includes the organism, forms in the inside sandblast station of organism, has the spray gun head that will polish sand and send out, its characterized in that still is equipped with the rotary disk that is located spray gun head below in the sandblast station, and the sandblast mouth of spray gun head is towards the local region on rotary disk surface, and the work piece of installing on the rotary disk can follow the rotary disk and rotate for polish sand can impact polishing on the polishing face of a plurality of work pieces.

2. A polishing mechanism according to claim 1, wherein the rotating disc is provided with a work piece mounting seat for positioning the work piece, the work piece mounting seat having an upwardly open accommodation space into which the work piece is inserted.

3. The polishing mechanism as set forth in claim 2, wherein the workpiece mounting seat has a distal end connected to the rotary disk, a notch is provided at an edge of the opening extending toward the distal end, and an aperture of the opening is smaller than a radial length of the workpiece, and an expanding effect is formed on a side wall of the workpiece mounting seat after the workpiece is mounted in the accommodating space, the workpiece is brought into close contact with the side wall of the workpiece mounting seat, and the workpiece is prevented from being washed down by polishing sand.

4. The polishing mechanism as set forth in claim 3 further comprising a rotary motor disposed on the bottom surface of the rotary disk, the rotary motor being disposed at the center of the rotary disk, the rotary motor having an output end for driving the rotary disk to rotate, the workpiece mount having a terminal connection passing through the bottom surface of the rotary disk, the bottom surface of the terminal connection being of an open configuration for the driven roller to enter and being interference fit within, the driven roller being disposed on the outer peripheral surface of the terminal connection, a first driven wheel being disposed on the motor shaft of the rotary motor, a second driven wheel being disposed parallel to the first driven wheel, any one of the first driven wheel and the second driven wheel being disposed on the peripheral surface of the first driven wheel by a first drive belt, a spacer being disposed on the peripheral surface of the first driven wheel for dividing the peripheral surface of the first driven wheel into a first portion and a second portion, the first drive belt being disposed on the first portion, the second portion of the plurality of first driven wheels being disposed on the same second drive belt, the workpiece mount being disposed in a revolution form when the rotary disk is rotated, and the workpiece mount itself being also rotatable in a revolution form.

5. The polishing mechanism as recited in claim 4, wherein a plurality of workpiece mounts are provided and are distributed in a circular distribution at the edge of the rotating disk.

6. The polishing mechanism as set forth in claim 4, further comprising a coupling and a PLC controlled electromagnetic clutch, the rotating motor driving the rotating disk to rotate through the coupling, the coupling having a connection end extending toward the bottom surface of the rotating disk, the connection end being fitted over the PLC controlled electromagnetic clutch, the electromagnetic clutch having a ring-shaped structure of clutch plates, the clutch plates being opposed to the bottom surface of the rotating disk, the entire electromagnetic clutch moving toward the bottom surface of the rotating disk in a longitudinal direction of the connection end after the electromagnetic clutch is energized until a positioning hole provided on the bottom surface of the rotating disk is engaged with a positioning bump provided on the surface of the clutch plates, the rotating disk rotating with the workpiece mount, the rotating disk sliding down on the connection end due to gravity of the electromagnetic clutch after the electromagnetic clutch is deenergized, the rotating motor driving the workpiece mount to rotate.

7. The polishing mechanism as recited in claim 6, wherein the connection end is further sleeved with a spacer block and a clamp block above the electromagnetic clutch, the spacer block and the clamp block are disposed in an inner annular surface of the electromagnetic clutch, the clamp block is used for supporting the spacer block, and a clearance fit is provided between the clamp block and the connection end.

8. The polishing mechanism as set forth in claim 7, wherein a plurality of pressing posts are provided under the rotating disk in a ring-shaped array, and a distance between the pressing posts and a center axis of the rotating disk is equal to or smaller than a distance between the driven roller and the center axis of the rotating disk, so that the pressing posts press the first driving belt toward the center axis of the rotating disk, thereby adjusting a tensioning effect of the first driving belt, and generating a friction force between the first driving belt and the first driving wheel for driving.

9. The polishing mechanism as recited in claim 4, wherein a pair of opposed adjustment plates are provided in the body, a movable space for movement of the rotary motor is reserved between the adjustment plates, a step is provided on an inner side of the adjustment plates, a slide seat slidably fitted with the step is provided on an upper end of an outer wall of the rotary motor, and the rotary motor is linearly moved in a longitudinal direction of the step by the slide seat.

10. The polishing mechanism as recited in claim 9, further comprising a lifting cylinder, wherein the lifting cylinder is located below the rotating motor, and wherein a piston rod of the lifting cylinder corresponds to a bottom surface of the rotating motor, and wherein the piston rod of the lifting cylinder lifts the rotating motor, thereby raising a height of the rotating disk.