CN217702662U

CN217702662U - Hole polisher auxiliary device and hole grinding device

Info

Publication number: CN217702662U
Application number: CN202221820253.XU
Authority: CN
Inventors: 刘振武; 何瑞卿; 汤金勇; 吴庆然; 吴先军
Original assignee: Skyworth Group Intelligent Equipment Co Ltd
Current assignee: Skyworth Group Intelligent Equipment Co Ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2022-11-01
Anticipated expiration: 2032-07-15

Abstract

The utility model discloses a hole polisher auxiliary device and a hole polishing device, wherein the hole polisher auxiliary device comprises a shell and a collecting assembly, wherein the shell is provided with a through hole for a polishing end of a polisher to pass through; the collecting assembly is arranged in the shell and used for collecting dust polished by the polishing machine. The collecting assembly and the shell are connected to form a collecting cavity, and the collecting assembly comprises a suction device and a transmission device. The suction device is rotatably connected with the shell and is used for absorbing dust to the collecting cavity. And the transmission device is respectively connected with the grinding machine and the suction device and is used for transmitting the rotation of the grinding machine to the suction device so as to enable the suction device to rotate. The utility model provides a hole polisher auxiliary device and hole grinding device simple structure, the simple operation can the different polisher of adaptation, uses extensively.

Description

Hole polisher auxiliary device and hole grinding device

Technical Field

The utility model relates to a mould production technical field especially relates to a hole polisher auxiliary device and hole grinding device.

Background

Current polisher is when carrying out chamfering operation to the step hole, can only carry out chamfering operation through the handheld polisher of operating personnel to the inner wall in the hole, it is inhomogeneous that its operation wastes time and energy and pours out the C angle, will form certain space to the mounting screw in later stage, cause the problem that screw and hole can't agree with easily, will produce a large amount of dust when polishing the chamfer to the hole simultaneously, probably influence the operating accuracy of subsequent chamfer when not convenient during later stage clearance, the chamfer effect is not good. During the chamfering operation, the grinding head rotating at a high speed rubs with the hole, so that the generated dust has certain harm to the body of an operator, and meanwhile, the building materials around the hole are easily thrown out by the grinding head, so that certain threat is generated to the safety of the operator.

Thus, there remains a need in the art for improvements.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, the chamfer effect of current polisher is not good, and the dust that produces has certain harm to operating personnel's health, and the building material easy on every side of the hole is thrown away by the head of polishing, produces certain threat to operating personnel's safety, consequently, the utility model provides a hole polisher auxiliary device and hole grinding device are used for solving above-mentioned problem.

The utility model provides a technical scheme that technical problem adopted as follows:

in a first aspect, the utility model provides a hole polisher auxiliary device, it includes:

the polishing device comprises a shell, a polishing head and a polishing head, wherein the shell is provided with a through hole, and a polishing end of a polishing machine passes through the through hole;

the collecting assembly is arranged in the shell and used for collecting dust polished by the polishing machine;

wherein the collection assembly and the housing are connected to form a collection chamber;

wherein the collection assembly comprises:

the suction device is rotatably connected with the shell and is used for absorbing dust to the collecting cavity;

and the transmission device is respectively connected with the grinding machine and the suction device and is used for transmitting the rotation of the grinding machine to the suction device so as to enable the suction device to rotate.

In one implementation mode, the transmission device comprises a threaded rod arranged on the inner wall of the through hole and a driving wheel arranged at one end of the threaded rod, a groove is formed in the side wall of the suction device, and the groove is matched with the driving wheel.

In one implementation, the transmission further includes a driving shaft for driving the threaded rod, a driving ring rotatably connected to the driving shaft, and a driving assembly connected to the driving ring, and the driving assembly is configured to abut against a polishing end of the polishing machine.

In one implementation, the driving assembly includes a limiting ball capable of adjusting the moving angle of the grinding machine, a connecting rod with one end connected to the limiting ball, and a threaded rotating shaft disposed at the other end of the connecting rod, and the threaded rotating shaft is rotatably connected to the driving ring.

In one implementation, the suction device further comprises a suction fan disposed inside, and a one-way valve disposed at an end of the suction fan adjacent to the collection chamber.

In one implementation, the auxiliary device of the hole grinding machine further comprises a mounting assembly, the mounting assembly is arranged on the through hole of the collecting assembly, the mounting assembly comprises a mounting opening, a plurality of balls arranged around the periphery of the mounting opening, a limiting ball used for fixing the balls and a limiting groove adapted to the fixing ball, and the limiting groove is arranged on the balls.

In one implementation, the hole sander aid further includes a seal assembly for covering the hole to be sanded, the seal assembly being connected to the housing.

In one implementation, the sealing assembly includes sealing plates rotatable to form a semi-enclosed structure, a plate shaft connected to the collection assembly, and a connection device disposed between the sealing plates, the sealing plates being rotatably connected to the plate shaft.

In an implementation mode, connecting device includes the connecting band, sets up collection device on the connecting band and right the connecting band carries out the collection axle that the winding was collected, collection device includes the water conservancy diversion mouth of loudspeaker form, sets up the inside baffle of water conservancy diversion mouth, the baffle is kept away from the one end of water conservancy diversion mouth forms the cabin, the lateral wall of cabin sets up the guide pulley.

In a second aspect, the present invention also provides a hole grinding device, which comprises a grinding machine and an auxiliary device for the grinding machine, wherein the grinding machine can be used for disassembling any one of the above parts.

Has the beneficial effects that: the utility model provides a hole polisher auxiliary device and hole grinding device is used for collecting the dust polished by the polisher through the collection assembly, wherein, the collection assembly comprises a suction device and a transmission device, and the suction device is used for absorbing the dust to the collection cavity; the transmission device is used for transmitting the rotation of the grinding machine to the suction device so as to enable the suction device to rotate. The collection subassembly can be in collect the dust that the polisher produced when the chamfer operation under suction device's the effect, transmission can drive suction device work for whole device can be in polishing and can collect the dust after polishing, makes the polisher can labour saving and time saving and keep the roughness of chamfer when the chamfer simultaneously, and the dust that prevents to produce and the building material around the hole are thrown away and are threatened the operator, protection operator's safety, simultaneously hole polisher auxiliary device simple structure, the simple operation can the different polisher of adaptation, uses extensively.

Drawings

Fig. 1 is a schematic view of the overall structure of the auxiliary device of the hole grinding machine provided by the present invention;

FIG. 2 is a schematic cross-sectional view of the collection assembly shown in FIG. 1;

FIG. 3 is a schematic view of the overall construction of the mounting assembly shown in FIG. 1;

FIG. 4 is a schematic top cross-sectional view of the mounting assembly shown in FIG. 1;

FIG. 5 is a side cross-sectional view of the mounting assembly and collection assembly of FIG. 1;

FIG. 7 is a schematic view of an expanded configuration of the seal assembly shown in FIG. 1;

FIG. 8 is a schematic view of the overall construction of the connection assembly shown in FIG. 1;

fig. 9 is an enlarged view of the region a shown in fig. 8.

In the figure: 100 hole polisher auxiliary device, 10 casing, 11 through hole, 20 collection component, 21 collection cavity, 22 suction device, 221 suction fan, 222 one-way valve, 23 transmission device, 231 threaded rod, 232 driving wheel, 235 driving shaft, 236 driving ring, 30 sealing component, 31 sealing plate, 32 plate shaft, 33 connecting device, 331 connecting band, 332 collection device, 3321 flow guiding nozzle, 3322 baffle, 3323 movable cabin, 3324 guide wheel,

collection shaft

333, 40 mounting component, 41 mounting port, 42 ball, 43 fixed ball, 44 limit groove, 45 rotating groove, 50 driving component, 51 limit ball, 52 connecting rod, 53 threaded rotating shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the following description refers to the accompanying drawings and exemplifies embodiments of the present invention for further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of the description of the embodiments of the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the embodiments of 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. It should be noted that, in case of conflict, the embodiments and features of the embodiments of the present invention may be combined with each other.

Referring to fig. 1 to 9, fig. 1 is a schematic overall structure diagram of an auxiliary device of a hole grinding machine according to the present invention, fig. 2 is a schematic sectional structure diagram of a collecting assembly shown in fig. 1, fig. 3 is a schematic overall structure diagram of a mounting assembly shown in fig. 1, fig. 4 is a schematic sectional structure diagram of a top view of the mounting assembly shown in fig. 1, fig. 5 is a schematic sectional structure diagram of a side view of the mounting assembly and the collecting assembly shown in fig. 1, fig. 6 is a schematic overall structure diagram of a ball shown in fig. 1, fig. 7 is a schematic expanded structure diagram of a sealing assembly shown in fig. 1, fig. 8 is a schematic overall structure diagram of a connecting assembly shown in fig. 1, and fig. 9 is an enlarged view of an area a shown in fig. 8.

The utility model provides a hole polisher auxiliary device 100, casing 10 and collection subassembly 20, casing 10 is provided with through-hole 11, through-hole 11 supplies the end of polishing of polisher to pass, collection subassembly 20 set up in the casing 10, be used for collecting the dust that the polisher was polished. Further, the collecting assembly 20 and the housing 10 are connected to form a collecting chamber 21, the collecting assembly 21 further includes a suction device 22 and a transmission device 23, the suction device 22 is rotatably connected to the housing 11 and is used for absorbing dust into the collecting chamber 21; the transmission means 23 is connected to the sander and the suction means 22, respectively, and is used to transmit the rotation of the sander to the suction means 22 to rotate the suction means 22. In this embodiment, the auxiliary device 100 for a hole sander can collect dust generated by a chamfering operation by the collecting assembly 20.

Further, the suction device 22 further includes a suction fan 221 disposed inside, and a check valve 222 disposed at an end of the suction fan 221 adjacent to the collection chamber 21. When the sander is in operation, the suction device 22 is driven to rotate, so that the suction fan 221 inside the suction device 22 generates suction force, and meanwhile, the dust generated by the sander is sucked and stored in the collection cavity 21 by matching with the one-way valve 222, and the effect of collecting the dust generated when the whole device is chamfered by forming airflow inside the suction device 22 is achieved. The dust entering the interior of the collection chamber 21 can be prevented from leaking out again by the check valve 222.

The transmission device 23 includes a threaded rod 231 disposed on the inner wall of the through hole 11, and a driving wheel 232 disposed at one end of the threaded rod 231, and a groove (not shown) is disposed on the sidewall of the suction device 22, and the groove is disposed in cooperation with the driving wheel 232. The transmission 23 further comprises a drive shaft 235 for driving the threaded rod 231, a drive ring 236 rotatably connected to the drive shaft 235, and a drive assembly 50 connected to the drive ring 236, the drive assembly 50 being adapted to be disposed in abutment with the sanding end of the sander. The driving wheel 232 is arranged at the bottom of the threaded rod 231, and when the threaded rod 231 rotates, the driving wheel 232 at the bottom of the threaded rod 231 is engaged with the groove on the side wall of the suction device 22 to drive the suction device 22 to rotate.

In this embodiment, the hole sander aid 100 further comprises a sealing assembly 30 for covering the hole to be sanded, and the sealing assembly 20 is connected to the housing 10. The sealing assembly 30 includes a sealing plate 31 rotatable to form a semi-closed structure, a plate shaft 32 connected to the collecting assembly 20, and a connecting device 33 disposed between the sealing plate 31, the sealing plate 31 being rotatably connected to the plate shaft 32. After the polisher is fixed and the adjustable radius, will the closing plate 31 is outwards broken off with the fingers and thumb, the closing plate 31 is in be the oblique angle that leans out under the effect of board axle 32, work as the bottom diameter of closing plate 31 is greater than and treats behind the hole diameter of polishing, will hole polisher auxiliary device 100 back-off is on the hole of polishing in advance, makes seal assembly 30 with treat and be sealed state between the hole of polishing. That is, the seal plate 31 is in a collapsed condition when the seal assembly 30 is not in use and can be manually deployed when it is desired to use it.

More specifically, the connecting device 33 includes a connecting band 331, a collecting device 332 disposed on the connecting band 331, and a collecting shaft 333 for winding and collecting the connecting band 331. The collecting device 332 comprises a trumpet-shaped diversion nozzle 3321. The collecting device 332 further comprises a partition 3322 arranged inside the diversion nozzle 3321, one end of the partition 3322 far away from the diversion nozzle 3321 forms a movable cabin 3323, and a guide wheel 3324 is arranged on the side wall of the movable cabin 3323. When chamfering is performed, dust generated by chamfering is in contact with the connecting band 331 between the sealing plates 31 and enters the horn-shaped flow guide nozzle 3321 for temporary storage and collection, so that the dust collection efficiency is improved. After the chamfering operation is completed, the sealing plate 31 is restored to the original position, at this time, the collecting shaft 333 winds and collects the connecting band 331, and pushes the flow guide nozzle 3321 to the end of the hole of the connecting band 331, at this time, the guide wheel 3324 at the end of the flow guide nozzle 3321 is meshed and rotated with the inner wall of the connecting band 331, so that the partition 3322 connected with the guide wheel 3324 is opened, the dust temporarily stored in the flow guide nozzle 3321 enters the movable cabin 3323, and the dust collection and the flying stone burst prevention effect of the sealing assembly 30 are realized.

In some embodiments, the hole grinding machine auxiliary device 100 further comprises a mounting assembly 40, the mounting assembly 40 is disposed on the through hole of the collecting assembly 20, the mounting assembly 40 comprises a mounting opening 41, a plurality of balls 42 surrounding the mounting opening 41, a fixing ball 43 for fixing the balls 42, and a limiting groove 44 corresponding to the fixing ball 43, and the limiting groove 44 is disposed on the balls 42.

When the sander extends into the hole sander auxiliary device 100 through the mounting opening 41, the ball 42 rotates under the action of the sander, and when the sander reaches a preset position, the sander is rotated transversely, so that the fixing ball 43 is engaged with the limiting groove 44, and the ball 42 stops rotating and fixes the sander. Besides, the ball 42 may further include a rotation groove 45, the rotation groove 45 is vertically disposed on the ball 42, and the limit groove 44 is horizontally disposed on the ball 42.

The driving assembly 50 comprises a limiting ball 51 capable of adjusting the moving angle of the grinding machine, a connecting rod 52 with one end connected with the limiting ball 51, and a threaded rotating shaft 53 arranged at the other end of the connecting rod 52, wherein the threaded rotating shaft 53 is rotatably connected with the driving ring 236.

After the grinding machine is fixed, the size of the limiting ball 51 is adjusted according to the diameter of the chamfer, so that the maximum movable radius of the grinding machine is the same as the radius of the pre-grinding hole, the grinding machine can save time and labor during chamfering, and the flatness of the chamfer can be kept. Specifically, when the grinding machine performs chamfering in a circular motion, the grinding machine pushes the limiting ball 51 and drives the connecting rod 52 to move outwards, at this time, the threaded rotating shaft 53 at the top end of the connecting rod 52 drives the driving ring 236 to rotate and drives the driving shaft 235 to rotate, and simultaneously, when the driving shaft 235 rotates, the threaded rod 231 rotates, and the driving wheel 232 at the bottom of the threaded rod 231 is engaged with the groove on the side wall of the suction device 22, so as to drive the suction device 22 to rotate.

The working principle of the auxiliary device 100 for a hole grinding machine provided in this embodiment is as follows: according to the outer diameter of the hole to be polished, the angle of the sealing plate 31 is adjusted to cover the hole to be polished, the polisher extends into the hole to be polished through the mounting opening 41, the polisher is guided to a required position through the ball 42, the polisher transversely rotates at the moment, the fixing ball 43 moves to the limiting groove 44, and the polisher is fixed. After the polisher is fixed, the size of the limiting ball 51 is adjusted according to the diameter of a hole to be polished, so that when the polisher is stirred to one side, the limiting ball 51 is rented, the outer edge of the hole to be polished is moved, and after the polisher is adjusted, a power supply of the polisher is started to enable the polisher to work. When the grinding machine is started, a grinding end of the grinding machine grinds a hole to be ground, and simultaneously the grinding machine shifts the driving assembly 50 to move outwards, so that the threaded rotating shaft 53 at the top end of the connecting rod 52 drives the driving ring 236 to rotate and drives the driving shaft 235 to rotate, and simultaneously the threaded rod 231 rotates when the driving shaft 235 rotates, the driving wheel 232 at the bottom of the threaded rod 231 is meshed with the groove in the side wall of the suction device 22 to drive the suction device 22 to rotate, dust generated during grinding is sucked into the collecting cavity 21 to be collected, and simultaneously under the action of the sealing assembly 30, the dust enters the guide nozzle 3321 to be collected while moving.

The utility model also provides a hole grinding device, its include the polisher and with the hole polisher auxiliary device 100 of connection can be dismantled to the polisher.

In summary, the present invention provides a hole grinding machine auxiliary device 100 and a hole grinding device, which are used for collecting dust ground by a grinding machine through a collecting assembly 20, wherein the collecting assembly 20 includes a suction device 22 and a transmission device 23, and the suction device 22 is used for absorbing the dust to the collecting cavity 21; the transmission means 23 is used to transmit the rotation of the sander to the suction means 22 to rotate the suction means 22. Collection subassembly 20 can be in collect the dust that the polisher produced when the chamfer operation under suction device 22's effect, transmission 23 can drive suction device 22 work for whole device can be in polishing and can collect the dust after polishing, makes the polisher can labour saving and time saving and keep the roughness of chamfer when the chamfer simultaneously, prevents that the dust that produces and building material around the hole from being thrown away and producing the threat to the operator, protection operator's safety, simultaneously hole polisher auxiliary device simple structure, the simple operation can the different polisher of adaptation, uses extensively.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. An auxiliary device for a hole grinding machine, comprising:

the shell is provided with a through hole, and a polishing end of the polishing machine penetrates through the through hole;

wherein the collection assembly comprises:

the suction device is rotatably connected with the shell and is used for absorbing the dust to the collecting cavity;

2. The auxiliary device for the hole grinding machine as claimed in claim 1, wherein the transmission device comprises a threaded rod disposed on the inner wall of the through hole, and a driving wheel disposed at one end of the threaded rod, and the suction device has a groove disposed on its side wall, and the groove is disposed in cooperation with the driving wheel.

3. The hole sander aid of claim 2 wherein said transmission further comprises a drive shaft for driving said threaded rod, a drive ring in rotational communication with said drive shaft, and a drive assembly in communication with said drive ring, said drive assembly for abutting the sanding end of said sander.

4. The hole sander auxiliary device of claim 3 wherein said drive assembly comprises a limit ball for adjusting the angle of movement of the sander, a connecting rod having one end connected to said limit ball, and a threaded shaft disposed at the other end of said connecting rod, said threaded shaft being rotatably connected to said drive ring.

5. The hole sander assistance device of claim 1, wherein said suction means further comprises a suction fan disposed inside, and a one-way valve arranged at one end of the suction fan close to the collection cavity.

6. The hole sander aid of claim 1, further comprising a mounting assembly, said mounting assembly being disposed on said through hole of said collection assembly, said mounting assembly comprising a mounting opening, a plurality of balls wound around said mounting opening, a retaining ball for fixing said balls, and a retaining groove adapted to said retaining ball, said retaining groove being disposed on said balls.

7. The hole sander aid of claim 1 further comprising a seal assembly for covering a hole to be sanded, said seal assembly being attached to said housing.

8. The hole sander aid of claim 7 wherein said seal assembly comprises seal plates rotatable to form a semi-enclosed structure, a plate shaft connected to said collection assembly and a connecting means disposed between said seal plates, said seal plates being rotatably connected to said plate shaft.

9. The auxiliary device for the hole grinding machine of claim 8, wherein the connecting device comprises a connecting band, a collecting device disposed on the connecting band, and a collecting shaft for winding and collecting the connecting band, the collecting device comprises a horn-shaped diversion nozzle and a partition plate disposed inside the diversion nozzle, one end of the partition plate far away from the diversion nozzle forms a movable cabin, and a guide wheel is disposed on a side wall of the movable cabin.

10. A hole grinding device comprising a grinder and a hole grinder aid as claimed in any one of claims 1-9 removably attached to said grinder.