CN215545270U

CN215545270U - Plane cutter

Info

Publication number: CN215545270U
Application number: CN202120953888.6U
Authority: CN
Inventors: 张正新; 其他发明人请求不公开姓名
Original assignee: Qingdao Zengli Hardware Tools Co ltd
Current assignee: Qingdao Zengli Hardware Tools Co ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2022-01-18
Anticipated expiration: 2031-05-07

Abstract

The utility model relates to a planer tool, which comprises a tool cylinder, wherein a through mounting hole is formed in the center of the tool cylinder, a plurality of tool bodies are uniformly arranged along the circumferential direction of the tool cylinder, the front end of the tool cylinder is embedded in the tool bodies, the rear end of the tool cylinder protrudes out of the tool bodies, chip spitting openings extending along the length direction of the tool bodies are formed between the adjacent tool bodies, chip separating grooves extending along the thickness direction of the tool bodies are formed in the tool bodies, and a limiting structure used for limiting the operation position of the tool bodies is arranged at the rear end, protruding out of the tool bodies, of the tool cylinder. The utility model is not limited by the operation space, can effectively improve the operation efficiency and the operation quality, and is beneficial to reducing the operation difficulty.

Description

Plane cutter

Technical Field

The utility model relates to a planer tool, and belongs to the technical field of metal polishing equipment.

Background

During the production, manufacture and maintenance of metal plates, sections and the like, the following operations exist:

1. after the metal is welded, the weld reinforcement is polished to remove the weld reinforcement, and the weld is polished to be flat.

2. When removing a part of the welding seam, the welding seam needs to be removed, especially for the fillet welding seam.

3. When the metal workpiece is ground, a planer tool is needed to carry out on-site grinding and machining or opening and welding the bevel.

Above-mentioned operation generally adopts the planer tool to accomplish, and current planer tool is because of the structural problem, when using on some complicated structure, has following problem:

1. the existing planing tool is of a front protruding type installation structure, an installation bolt is arranged at the front part, a vertical plate is arranged near a welding seam, and when the fillet weld is removed, the problem that construction space is limited exists, and planing operation cannot be achieved.

2. Part of metal materials and welding line materials are soft in quality, and the cutter is easy to stick at high temperature. Therefore, although the chip discharging groove exists between the cutting edge and the cutting edge of the original planer tool, after the planer tool is constructed for a certain time, the phenomena that metal chips are adhered to the planer tool and the chip discharging groove is filled up exist, the construction is stopped after the chip discharging groove is filled up, the chip discharging groove is cleaned, the construction efficiency and the construction quality are seriously influenced, the service life of the planer tool is also seriously influenced, and the material consumption cost is increased.

3. The original plane cutter can not be matched with a limiting tool for use, so that the operation difficulty of constructors is increased, and the flatness can not be ensured particularly in the operation with higher part quality requirement.

4. The original planer tool tip part can not be milled.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problem of providing the flat planer tool which is not limited by an operation space, can effectively improve the operation efficiency and the operation quality, and is beneficial to reducing the operation difficulty.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

the utility model provides a planer tool, includes a sword section of thick bamboo the center of a sword section of thick bamboo has the mounting hole that runs through, follows the circumference of a sword section of thick bamboo evenly is provided with a plurality of cutter bodies, the front end of a sword section of thick bamboo is embedded in the inside of cutter body, the rear end protrusion of a sword section of thick bamboo in the outside of cutter body, adjacent form between the cutter body along the bits mouth is told to cutter body length direction extension open the edge is opened on the cutter body the chip groove that extends of cutter body thickness direction a sword section of thick bamboo protrusion in install the limit structure who is used for injecing cutter body operation position on the rear end of cutter body.

Further, the cutter body comprises base member and cutting edge that link together, base member and cutting edge are followed the circumference of a sword section of thick bamboo sets up side by side, the chip separation groove is the open slot and sets up on the cutting edge.

Furthermore, the end face of the front end of the cutting edge is an inclined plane, one end of the cutting edge, which is adjacent to the chip removal port in the width direction, is higher than the other end of the cutting edge, which is connected with the base body, and the outer side surface of the cutting edge protrudes out of the outer side surface of the base body.

Further, the height difference of the two ends of the inclined plane at the front end of the blade and the height difference between the outer side surface of the blade and the outer side surface of the substrate are both 0.5mm-1 mm.

Furthermore, an inwards concave chip guide groove is formed in the peripheral surface, protruding out of the cutter body part, of the rear end of the cutter barrel and corresponds to the chip spitting hole.

Furthermore, the chip guide groove is formed by gradually inwards concave transition from the end part of the rear end of the cutter body on one side of the chip spitting port to the lower part of the cutter body on the other side of the chip spitting port through an arc surface, and the chip guide groove and the chip spitting port are in smooth transition.

Furthermore, chip separation grooves on the adjacent cutter bodies are arranged in a staggered mode relative to the front end face of the cutter barrel.

Furthermore, the limiting structure is a ball bearing, and an inner ring of the bearing is sleeved and fixed on the knife cylinder.

Furthermore, one side surface of the limiting structure is tightly close to the end part of the rear end of the cutter body and is arranged on the cutter cylinder.

Further, the surface of the knife cylinder and/or the knife body can be sprayed with a coating.

Further, the number of the cutter bodies is 4 to 6.

In summary, compared with the prior art, the planer tool of the present invention has the following advantages:

(1) the cutter body and the cutter barrel of the planer tool are internally concave, and the cutter body protrudes out of the cutter barrel in the middle, so that the mounting bolt is not exposed, the planing operation can still be carried out on the complex welding seam, fillet welding seam and other structures, and even if a vertical plate exists near the welding seam, the planer tool is not limited by the operation space, the operation efficiency can be effectively improved, and the operation quality can be improved.

(2) The structure that adopts the disconnection between the adjacent cutter body of this planer tool forms the bits mouth that spits that runs through between the cutter body, and opens on the cutter body and have the chip groove, can effectively avoid the metal fillings to glue the cutter body, and the metal fillings of being convenient for are got rid of, guarantee operating efficiency and quality, also are favorable to increasing the life of planer tool self simultaneously, reduce the consumptive material cost.

(3) This planer tool installs limit structure on a sword section of thick bamboo, when using limit structure to construct, can remove the planer tool and carry out the planing operation with limit structure card at the work piece edge, can increase the stability of planing operation by a wide margin, can not produce the displacement volume in welding seam degree of depth direction, reduces the operation degree of difficulty, further is favorable to improving the operating efficiency.

(4) The front tip of the cutting edge of the plane cutter is higher than the base body by a certain height, so that the operations of polishing the extra height of a welding seam, roughly grinding the surface of a base material and the like can be finished under the condition of being parallel to an operation surface or at a small angle, the plane cutter is suitable for vertical surface operation and narrow space operation, and the application range is wider.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model, are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model without limiting the utility model to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

FIG. 1 is a schematic view of the construction of the planer tool of the present invention;

FIG. 2 is a schematic view of the planer without the limiting structure;

FIG. 3 is a schematic view of the present invention during a planer fillet weld operation.

As shown in fig. 1 to 3, a tool cylinder 1, a mounting hole 2, a tool body 3, a base body 3a, a cutting edge 3b, a chip discharge port 4, a chip separation groove 5, a chip guide groove 6, a ball bearing 7, a rear cover 8, a workpiece 9, a cutting edge outer surface 10, a base body outer surface 11, and a cutting edge inner surface 12.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1 and 2, the present embodiment provides a planer tool, which can be mounted on a pneumatic or electric straight shank grinder for use. Comprising a middle knife cylinder 1, a through mounting hole 2 is arranged in the center of the knife cylinder 1, and is used for fixedly connecting with equipment through a fastening bolt (not shown in the figure). A plurality of cutter bodies 3 are uniformly arranged along the circumferential direction of the cutter cylinder 1, and in order to ensure the chip discharging efficiency, the number of the cutter bodies 3 is preferably 4 to 6, as shown in fig. 1 and 2, and in the present embodiment, the number of the cutter bodies 3 is preferably 4. The knife cylinder 1 and the knife body 3 are both made of special steel, the knife body 3 is welded on the knife cylinder 1, and the knife body 3 and the knife cylinder 1 can also adopt an integrally-processed structure so as to ensure the strength of the knife.

In this embodiment, the front end a (the end where the fastening bolt is screwed) of the knife cylinder 1 is embedded inside the knife bodies 3, that is, the front ends C (the ends exposed outside the knife cylinder 1) of the knife bodies 3 all protrude from the front end a end surface of the knife cylinder 1, and the rear end B of the knife cylinder 1 protrudes outside the knife bodies 3, that is, the rear end B of the knife cylinder 1 protrudes from the end of the rear end D of the knife body 3. The knife cylinder 1 adopts a concave mounting structure relative to the knife bodies 3, after the fastening bolts are mounted, the end parts of the fastening bolts and nuts (not shown in the figure) are embedded in the center of a space surrounded by the knife bodies 3, and the fastening bolts with tools are sunken in the tool room, so that the fastening bolts and the nuts are not exposed after mounting, the planing operation can still be carried out on the structures such as complex welding seams, fillet welding seams and the like, even if vertical plates exist near the welding seams, the operation space is not limited, and the operation obstruction caused by the space problem can be avoided.

In this embodiment, the adjacent cutter bodies 3 are separated from each other, and a chip spitting port 4 extending in the longitudinal direction of the cutter bodies 3 is formed between the adjacent cutter bodies 3. Because the setting of spitting bits mouth 4, the metal fillings of being convenient for are got rid of, and the metal fillings on-stick in cutter body 3 body can effectively avoid the metal fillings to glue with spitting bits mouth 4, prevents to spit bits mouth 4 and fill up to guarantee operating efficiency and quality, also be favorable to increasing the life of flat planer tool self simultaneously, reduce the consumptive material cost.

The cutter body 3 is composed of a base body 3a and a cutting edge 3b which are welded together, the base body 3a and the cutting edge 3b are arranged side by side along the circumferential direction of the cutter cylinder 1, that is, as shown in fig. 1 and fig. 2, the base body 3a and the cutting edge 3b are arranged left and right, and the arrangement directions of the base body 3a and the cutting edge 3b in the plurality of cutter bodies 3 are the same.

The diameters of the front end A and the rear end B of the knife cylinder 1 can be the same or different, the diameter of the rear end B of the knife cylinder 1 is larger than that of the front end A, and the diameter of the periphery of the knife body 3 is larger than that of the rear end B of the knife cylinder 1, so that the periphery surface of the knife body 3 protrudes out of the periphery surface of the knife cylinder 1.

In the present embodiment, it is preferable that each cutting edge 3b is provided with a chip breaker 5, the chip breaker 5 is a slot extending in the thickness direction of the cutting edge 3b (the direction from the outer side surface 10 to the inner side surface 12 of the cutting edge 3 b), the cross section of the chip breaker 5 is preferably square, and the chip breaker 5 is open toward the chip removal port 4. The chip dividing groove 5 is arranged to further effectively prevent the metal chips from being adhered to the cutting edge 3 b. More preferably, the distances between the center lines of the chip separating grooves 5 on different cutting edges 3b and the front end face of the knife cylinder 1 are different, and the chip separating grooves 5 on the adjacent cutting edges 3b are arranged in a staggered manner relative to the front end A end face of the knife cylinder 1. Therefore, the purpose of discharging scraps can be achieved at different height positions of the cutting edge 3b in the rotating process, the scrap discharging efficiency in the moving process is improved, meanwhile, the strength of the cutting edge 3b can be increased on the premise of ensuring smooth scrap discharging, and the service life of the planing tool is prolonged.

In this embodiment, an inward-concave chip guide groove 6 is formed on the peripheral surface of the portion, protruding out of the cutter body 3, of the rear end B of the cutter barrel 1, corresponding to the chip spitting port 4, and the chip guide groove 6 is communicated with the chip spitting port 4. The chip guide groove 6 is formed by gradually inwards concave smooth transition from the end part D of the rear end of the base body 3a (the end connected with the knife cylinder 1) at one side of the chip discharge opening 4 to the lower part of the knife edge 3b at the other side through an arc surface. The chip guide groove 6 is more beneficial to discharging chips, and the chip discharging efficiency is further improved.

In this embodiment, the end face of the front end C of the blade 3b is a bevel, one end E (tip) of the blade 3b adjacent to the chip discharge port 4 in the width direction is higher than the other end F connected to the base 3a, the end of the blade 3b connected to the base 3a is as high as the end face of the front end of the base 3a, and more preferably, the height difference between the two ends E and F is 0.5 to 1 mm. Because the tip of the blade 3b connected with the chip-ejecting opening 4 is higher than the base body 3a by a certain height, the operations of polishing the extra height of the welding seam, roughly grinding the surface of the base material and the like can be completed under the condition of being parallel to the operation surface or having a small angle with the operation surface. The device is suitable for facade operation and narrow space operation, and has wider application range.

Meanwhile, the outer side surface 10 of the blade 3b protrudes from the outer side surface 11 of the base body 3a, and more preferably, the height difference between the outer side surface 10 of the blade 3b and the outer side surface 11 of the base body 3a is 0.5mm-1mm, which is beneficial to avoiding the base body 3a from contacting the cutting surface to cause damage during the cutting operation.

In this embodiment, a limiting structure for limiting the operating position of the cutter body 3 is mounted at the rear end B of the cutter cylinder 1 protruding out of the cutter body 3. Ball bearing 7 is preferably adopted to limit structure, and ball bearing 7's inner circle passes through interference fit's mode suit to be fixed on the sword section of thick bamboo 1, utilizes ball bearing 7's the spacing plane of one side plane operation, and is convenient promptly, simplifies the structure again. During operation, the inner race of the ball bearing 7 rotates together with the planer tool. And a rear cover 8 is arranged on the other side surface of the ball bearing 7, and the rear cover 8 is buckled at the tail end part of the knife cylinder 1 to prevent the limiting movement. The ball bearing 7 and the rear cover 8 can be adjusted in size according to different construction requirements.

More preferably, a side surface of the ball bearing 7 is mounted on the tool cylinder 1 in close proximity to the end of the rear end D of the cutter body 3, and the chip guide groove 6 is embedded inside the ball bearing 7. As shown in fig. 3, when in use, one side surface of the ball bearing 7 of the limiting structure is abutted against one end of the workpiece 9, so that the working range of the cutter body 3 can be limited. When the limiting device is used for construction, the limiting device can be clamped at the edge of a workpiece, and a planing tool is moved to carry out planing operation. By adopting the mode, the stability of the planing operation can be improved. The displacement can not be generated in the depth direction of the welding seam, and the planing efficiency is greatly improved.

The length of the knife cylinder 1 can be customized according to actual working scenes, can be matched with limit to be installed and used, and can also be independently used. The length can be shortened when used alone.

In this embodiment, it is also preferable that a coating is further sprayed on the surfaces of the knife cylinder 1 and the knife body 3, and the coating is preferably a graphite phase coating, so as to further increase the chip spitting efficiency and prevent metal chips from sticking to the knife, thereby affecting the service life and the service efficiency of the knife.

The planer tool provided by the utility model has the following advantages:

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A planer tool, includes a knife cylinder, has the mounting hole that runs through in the center of the knife cylinder, its characterized in that: the cutter comprises cutter bodies, wherein a plurality of cutter bodies are uniformly arranged along the circumferential direction of the cutter barrel, the front end of the cutter barrel is embedded in the cutter bodies, the rear ends of the cutter barrels protrude out of the cutter bodies, chip spitting ports extending along the length direction of the cutter bodies are formed between the adjacent cutter bodies, chip separating slots extending along the thickness direction of the cutter bodies are formed in the cutter bodies, and limiting structures used for limiting the operation positions of the cutter bodies are installed at the rear ends, protruding out of the cutter barrels, of the cutter bodies.

2. A planer tool as claimed in claim 1, wherein: the knife body is composed of a base body and a cutting edge which are connected together, the base body and the cutting edge are arranged side by side along the circumferential direction of the knife cylinder, and the chip dividing groove is an open groove and is formed in the cutting edge.

3. A planer tool as claimed in claim 2, wherein: the end face of the front end of the cutting edge is an inclined plane, one end of the cutting edge, which is adjacent to the chip removal port in the width direction, is higher than the other end of the cutting edge, which is connected with the base body, and the outer side surface of the cutting edge protrudes out of the outer side surface of the base body.

4. A planer tool as claimed in claim 3, wherein: the height difference of two ends of the front end inclined plane of the blade and the height difference between the outer side surface of the blade and the outer side surface of the substrate are both 0.5mm-1 mm.

5. A planer tool as claimed in claim 1, wherein: and a concave chip guide groove is formed in the peripheral surface of the cutter barrel, which protrudes out of the cutter body part at the rear end, and corresponds to the chip spitting port.

6. A planer tool as claimed in claim 5, wherein: the chip guide groove is formed by gradually inwards concave transition from the end part of the rear end of the cutter body on one side of the chip spitting port to the lower part of the cutter body on the other side of the chip spitting port through an arc surface, and the chip guide groove and the chip spitting port are in smooth transition.

7. A planer tool as claimed in claim 1, wherein: the adjacent chip separation grooves on the cutter body are arranged in a staggered mode relative to the front end face of the cutter barrel.

8. A planer tool as claimed in claim 1, wherein: the limiting structure is a ball bearing, and the inner ring of the bearing is sleeved and fixed on the cutter barrel.

9. A planer tool as claimed in claim 8, wherein: one side surface of the limiting structure is tightly close to the rear end part of the cutter body and is arranged on the cutter barrel.

10. A planer tool as claimed in claim 1, wherein: the surface of the knife cylinder and/or the knife body can be sprayed with a coating.

11. A planing tool as claimed in any one of claims 1 to 10, wherein: the number of the cutter bodies is 4 to 6.