CN113427365A - Continuous grinding and polishing method for small cutting seam - Google Patents

Continuous grinding and polishing method for small cutting seam Download PDF

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Publication number
CN113427365A
CN113427365A CN202110651291.0A CN202110651291A CN113427365A CN 113427365 A CN113427365 A CN 113427365A CN 202110651291 A CN202110651291 A CN 202110651291A CN 113427365 A CN113427365 A CN 113427365A
Authority
CN
China
Prior art keywords
polishing
grinding
cutting seam
grinding tool
tool
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110651291.0A
Other languages
Chinese (zh)
Inventor
裘腾威
刘敏
仵健磊
张威
吕涛
熊瑞斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Polytechnic
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Ningbo Polytechnic
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningbo Polytechnic filed Critical Ningbo Polytechnic
Priority to CN202110651291.0A priority Critical patent/CN113427365A/en
Publication of CN113427365A publication Critical patent/CN113427365A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/006—Machines or devices using grinding or polishing belts; Accessories therefor for special purposes, e.g. for television tubes, car bumpers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/18—Accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/18—Accessories
    • B24B21/20—Accessories for controlling or adjusting the tracking or the tension of the grinding belt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B57/00—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
    • B24B57/02—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

The invention discloses a continuous grinding and polishing method of a small kerf, which comprises the following steps: s1, manufacturing a polishing grinding tool; the polishing abrasive tool includes: the flexible abrasive belt comprises a flexible body, wherein a resin layer is arranged on the periphery of the flexible body, and a plurality of abrasive particles are distributed in the resin layer; s2, penetrating the polishing grinding tool through the cutting seam; the cutting seam is provided with an inlet end and an outlet end, and one end of the polishing grinding tool enters from the inlet end and penetrates out from the outlet end; s3, abutting the resin layer against the side wall of the cutting seam, and pouring polishing liquid to the cutting seam; and S4, driving the polishing grinding tool to move relative to the side wall of the kerf. This application carries out grinding and polishing to the slit through a polishing grinding apparatus, sets up the resin layer in the periphery of flexible body, distributes a plurality of abrasive particles in the resin layer, realizes grinding and polishing through the relative motion between the lateral wall of abrasive particle and lancing, has solved the problem of lancing department grinding and polishing difficulty.

Description

Continuous grinding and polishing method for small cutting seam
Technical Field
The invention relates to the technical field of grinding and polishing, in particular to a continuous grinding and polishing method for a small kerf.
Background
In the fields of aerospace, automobile manufacturing, machining and the like, a large number of micro-slits need surface grinding and polishing treatment.
The traditional grinding and polishing mainly comprises manual grinding and polishing, mechanical grinding and polishing, chemical grinding and polishing and magnetorheological grinding and polishing, but the manual grinding and polishing has low efficiency and high cost; the grinding tool corresponding to the mechanical grinding and polishing is difficult to enter the micro joint cutting of the workpiece, and the polishing of the micro joint cutting cannot be realized; the polishing liquid for chemical grinding and polishing and magnetorheological grinding and polishing enters the micro cutting seams in a small quantity, so that the grinding and polishing effect is not obvious.
In order to improve the surface quality of the fine kerf, there are three methods: firstly, the number of manual grinding workers is increased, but the processing cost is increased along with the increase of the number of the micro-slits; secondly, the supply of polishing solution for chemical grinding and polishing and magnetorheological grinding and polishing is increased, and the processing technological parameters are optimized, but the size of the micro kerf is constant, the polishing solution entering a grinding and polishing area has an upper limit value, and the surface quality cannot be further improved after reaching a certain value; thirdly, the original cutting method is replaced by the electric spark slow wire cutting machining method, but the electric spark slow wire cutting machining method is only suitable for metal conductive materials, cannot machine non-conductive materials, and is high in machining cost.
Disclosure of Invention
In view of the above disadvantages in the prior art, the present invention provides a method for continuously grinding and polishing a fine kerf, which is used for solving the problems of difficulty in grinding and polishing a fine kerf in the prior art.
The invention solves the technical problem and adopts the technical scheme that the method for continuously grinding and polishing the tiny cutting seams comprises the following steps:
s1, manufacturing a polishing grinding tool;
wherein the polishing abrasive tool comprises: the flexible abrasive belt comprises a flexible body, wherein a resin layer is arranged on the periphery of the flexible body, and a plurality of abrasive particles are distributed in the resin layer;
s2, penetrating the polishing grinding tool through the cutting seam;
the cutting seam is provided with an inlet end and an outlet end, and one end of the polishing grinding tool enters from the inlet end and penetrates out from the outlet end;
s3, abutting the resin layer against the side wall of the cutting seam, and pouring polishing liquid to the cutting seam;
s4, driving the polishing grinding tool to move relative to the side wall of the kerf;
wherein the inlet end and the outlet end are respectively provided with an adjusting piece, and the polishing grinding tool is connected with the adjusting piece; each adjusting piece can drive the polishing grinding tool to move along a first direction and a second direction respectively, the first direction is parallel to the height direction of the cutting seam, and the second direction is parallel to the width direction of the cutting seam.
Further, in step S4, a wire storage wheel, two tension wheels and two guide wheels are further provided; and two ends of the polishing grinding tool respectively extend and sequentially wind the adjusting piece, the guide wheel and the tension wheel and are connected with the wire storage wheel.
Further, the adjustment member includes a pulley that is movable in a first direction and a second direction.
Further, in step S4, the polishing abrasive tool reciprocates in the first direction relative to the slit, and brings the polishing liquid into the slit.
Further, the polishing grinding tool is arranged in a cylinder shape, and the diameter of the polishing grinding tool is larger than or equal to the width of the cutting seam.
Further, the flexible body is a nylon rope, and the length of the polishing grinding tool is larger than the depth of the cutting seam.
Further, the abrasive particles are uniformly arranged along the circumferential direction and/or the radial direction of the nylon rope.
Further, a nozzle for pouring polishing liquid is arranged at the cutting seam.
Further, the nozzle is disposed above the slit.
Compared with the prior art, the invention has at least the following beneficial effects:
1. carry out grinding and polishing to the slit through a polishing grinding apparatus, set up the resin layer in the periphery of flexible body, distribute a plurality of abrasive particles in the resin layer, realize grinding and polishing through the relative motion between the lateral wall of abrasive particle and lancing, solved the difficult problem of lancing department grinding and polishing.
2. The adjusting piece is arranged to drive the polishing grinding tool at the inlet end and the outlet end to move along a first direction and a second direction. When the adjusting piece drives the polishing grinding tool to move along the first direction, the heights of the adjusting piece and the polishing area can be adjusted, and therefore the cutting seams of the workpiece with different heights can be adapted; when the adjusting piece drives the polishing grinding tool to move along the second direction, the inclination of the polishing grinding tool can be adjusted, and the inclination of different slit surfaces can be adapted.
3. The wire storage wheel is arranged to rotate to provide power, so that the polishing grinding tool can continuously reciprocate to realize grinding and polishing; the tensioning wheel is arranged to keep the tensioning force of the polishing grinding tool consistent, so that the polishing of each part is more uniform; the guide wheel is arranged to play a role in guiding the direction, so that the grinding and polishing directions of the polishing grinding tool are kept consistent.
Drawings
FIG. 1 is a schematic view showing the connection relationship between a polishing abrasive, an adjusting member, a wire accumulating wheel, a tension wheel, a guide wheel and a workpiece in the embodiment;
FIG. 2 is a front view of an example polishing abrasive article;
FIG. 3 is a side view of an example polishing abrasive article;
in the figure:
1. a flexible body; 11. polishing the abrasive article; 12. a wire storage wheel; 13. a tension wheel; 14. a guide wheel; 15. an adjustment member;
2. a resin layer;
3. abrasive particles;
4. a nozzle;
5. and (5) a workpiece.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
Referring to fig. 1-3, the invention discloses a method for continuously grinding and polishing a fine kerf, comprising the following steps:
s1, manufacturing a polishing grinding tool 11;
wherein the polishing abrasive 11 includes: the abrasive belt comprises a flexible body 1, wherein a resin layer 2 is arranged on the periphery of the flexible body 1, and a plurality of abrasive particles 3 are distributed in the resin layer 2;
s2, enabling the polishing grinding tool 11 to penetrate through the cutting seam;
wherein, the cutting seam has an inlet end and an outlet end, one end of the polishing grinding tool 11 enters from the inlet end and passes out from the outlet end;
s3, abutting the resin layer 2 against the side wall of the cutting seam, and pouring polishing liquid to the cutting seam;
s4, driving the polishing grinding tool 11 to move relative to the side wall of the kerf;
wherein, the inlet end and the outlet end are respectively provided with an adjusting piece 15, and the polishing grinding tool 11 is connected with the adjusting piece 15; each adjusting member 15 can drive the polishing grinding tool 11 to move along a first direction and a second direction respectively, the first direction is parallel to the height direction of the cutting seam, and the second direction is parallel to the width direction of the cutting seam.
Specifically, in the embodiment, the joint of the workpiece 5 is ground and polished by a polishing grinding tool 11, the resin layer 2 is arranged on the periphery of the flexible body 1, the abrasive particles 3 are distributed in the resin layer 2, and the grinding and polishing are realized by the relative movement between the abrasive particles 3 and the side wall of the joint, so that the problem of difficulty in grinding and polishing at the joint is solved.
In step S3, the polishing liquid is poured into the cut of the workpiece 5, so as to reduce the wear of the polishing grindstone 11 and improve the polishing effect.
In step S4, the polishing grinding tool 11 moves relative to the side wall of the kerf of the workpiece 5 to grind and polish the kerf, and meanwhile, the polishing grinding tool 11 can bring the polishing liquid into the kerf during movement, thereby reducing the waste of the polishing liquid; preferably, the polishing abrasive tool 11 may also press the polishing liquid while moving, so that the polishing liquid simultaneously grinds and polishes the side walls of the slits.
In step S4, the adjusting member 15 is set to move the polishing abrasive 11 at the inlet end and the outlet end in the first direction and the second direction. When the adjusting piece 15 drives the polishing grinding tool 11 to move along the first direction, the heights of the adjusting piece 15 and the polishing area can be adjusted, so that the joint seams of the workpiece 5 with different heights can be adapted; when the adjusting member 15 drives the polishing grinding tool 11 to move along the second direction, the inclination of the polishing grinding tool 11 can be adjusted to adapt to the inclination angles of different slit surfaces.
Further, in step S4, a wire storage wheel 12, two tension wheels 13 and two guide wheels 14 are further provided; two ends of the polishing grinding tool 11 respectively extend and sequentially wind the adjusting member 15, the guide wheel 14 and the tension wheel 13, and are connected with the wire storage wheel 12.
Specifically, the wire storage wheel 12 rotates clockwise to drive the tension wheel 13 to tighten or loosen, and simultaneously drive the polishing grinding tool 11 to move relative to the side wall of the cutting seam; when the tension wheel 13 of the wire storage wheel 12 is tightened or loosened to a certain degree, the wire storage wheel 12 rotates anticlockwise to drive the tension wheel 13 to be loosened or tightened, and simultaneously drive the polishing grinding tool 11 to move reversely relative to the side wall of the kerf; therefore, one cycle of reciprocating motion is completed, and grinding and polishing of the side wall of the seam are realized.
In the process, the wire storage wheel 12 rotates to provide power, so that the polishing grinding tool 11 can continuously move back and forth to realize grinding and polishing; the tension wheel 13 can keep the tension of the polishing grinding tool 11 consistent, so that the polishing of each part is more uniform; the guide wheel 14 serves as a guide for guiding the direction of grinding and polishing of the polishing grindstone 11.
Further, the adjusting member 15 includes a pulley that is movable in a first direction and a second direction.
Further, in step S4, the polishing abrasive tool 11 reciprocates in the first direction with respect to the slit, and brings the polishing liquid into the slit.
Further, the polishing grinding tool 11 is arranged in a cylinder shape, and the diameter of the polishing grinding tool 11 is greater than or equal to the width of the cutting seam.
The polishing grinding tool 11 is arranged to be a cylinder, after the polishing grinding tool 11 enters the cutting seam, no matter the polishing grinding tool 11 rotates to any angle, the contact area between the polishing grinding tool 11 and the side wall of the cutting seam can be consistent, and then the polishing of each part of the side wall of the cutting seam is more uniform.
The polishing grinding tool 11 has a certain deformation amount due to the flexible arrangement, when the diameter of the polishing grinding tool 11 is slightly larger than the width of the cutting seam, the polishing grinding tool 11 is in a compressed state when entering the cutting seam, so that the contact area between the polishing grinding tool 11 and the side wall of the cutting seam is increased, the friction force between the polishing grinding tool 11 and the side wall of the cutting seam can be increased, and the grinding and polishing effects are improved. When the diameter of the polishing grinding tool 11 is equal to the width of the cutting seam, the polishing grinding tool 11 can conveniently enter the cutting seam, and the polishing grinding tool 11 can drive more polishing liquid to enter the cutting seam when moving.
Further, the flexible body 1 is a nylon rope, and the length of the polishing grinding tool 11 is greater than the depth of the cutting seam.
Set up flexible body 1 and be the nylon rope for 11 flexions of polishing grinding apparatus are convenient for during grinding and polishing with the lateral wall laminating of joint-cutting, and then improve grinding and polishing's effect.
Further, the abrasive particles 3 are uniformly arranged along the circumferential direction and/or the radial direction of the nylon cord.
The abrasive grains 3 are uniformly arranged, so that the polishing effect of each part of each kerf side wall is more uniform.
Further, a nozzle 4 for pouring polishing liquid is arranged at the cutting seam.
Further, the nozzle 4 is disposed above the slit.
The nozzle 4 is arranged above the cutting seam, and the polishing liquid can flow downwards under the action of the gravity of the nozzle, so that the polishing grinding tool 11 can be conveniently driven to enter the cutting seam when moving.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
Moreover, descriptions of the present invention as relating to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Claims (9)

1. A method for continuously grinding and polishing a fine kerf is characterized by comprising the following steps:
s1, manufacturing a polishing grinding tool;
wherein the polishing abrasive tool comprises: the flexible abrasive belt comprises a flexible body, wherein a resin layer is arranged on the periphery of the flexible body, and a plurality of abrasive particles are distributed in the resin layer;
s2, penetrating the polishing grinding tool through the cutting seam;
the cutting seam is provided with an inlet end and an outlet end, and one end of the polishing grinding tool enters from the inlet end and penetrates out from the outlet end;
s3, abutting the resin layer against the side wall of the cutting seam, and pouring polishing liquid to the cutting seam;
s4, driving the polishing grinding tool to move relative to the side wall of the kerf;
wherein the inlet end and the outlet end are respectively provided with an adjusting piece, and the polishing grinding tool is connected with the adjusting piece; each adjusting piece can drive the polishing grinding tool to move along a first direction and a second direction respectively, the first direction is parallel to the height direction of the cutting seam, and the second direction is parallel to the width direction of the cutting seam.
2. The continuous grinding and polishing method for fine slitting according to claim 1, wherein in step S4, a wire storage wheel, two tension wheels and two guide wheels are further provided; and two ends of the polishing grinding tool respectively extend and sequentially wind the adjusting piece, the guide wheel and the tension wheel and are connected with the wire storage wheel.
3. The method of claim 1, wherein the adjusting member includes a pulley that is movable in a first direction and a second direction.
4. The method of claim 1, wherein the lapping tool reciprocates in a first direction relative to the slit to carry the lapping liquid into the slit in step S4.
5. The continuous grinding and polishing method for fine slits as claimed in claim 1, wherein the polishing tool is disposed in a cylindrical shape and has a diameter greater than or equal to the width of the slit.
6. The continuous grinding and polishing method of fine slits as claimed in claim 1, wherein said flexible body is a nylon rope and said polishing tool has a length greater than the depth of the slit.
7. The continuous cutting and grinding method as claimed in claim 6, wherein said abrasive grains are uniformly arranged along the circumference and/or radial direction of said nylon rope.
8. The method as claimed in claim 1, wherein a nozzle for pouring polishing slurry is further provided at the cutting portion.
9. The method of claim 8, wherein the nozzle is disposed above the slit.
CN202110651291.0A 2021-06-11 2021-06-11 Continuous grinding and polishing method for small cutting seam Pending CN113427365A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110651291.0A CN113427365A (en) 2021-06-11 2021-06-11 Continuous grinding and polishing method for small cutting seam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110651291.0A CN113427365A (en) 2021-06-11 2021-06-11 Continuous grinding and polishing method for small cutting seam

Publications (1)

Publication Number Publication Date
CN113427365A true CN113427365A (en) 2021-09-24

Family

ID=77755603

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110651291.0A Pending CN113427365A (en) 2021-06-11 2021-06-11 Continuous grinding and polishing method for small cutting seam

Country Status (1)

Country Link
CN (1) CN113427365A (en)

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