CN210548389U

CN210548389U - Detachable planer tool

Info

Publication number: CN210548389U
Application number: CN201920620850.XU
Authority: CN
Inventors: 刘勇; 陈海涛; 石剑
Original assignee: CHONGQING PACIFIC TOOL INDUSTRIAL CO LTD
Current assignee: CHONGQING PACIFIC TOOL INDUSTRIAL CO LTD
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-05-19
Anticipated expiration: 2029-04-30

Abstract

The utility model relates to the field of hardware tools, in particular to a detachable plane cutter, which comprises a cutter holder and a blade, wherein the cutter holder and the blade are detachably connected, and a permanent magnet block capable of attracting the blade is fixed on the cutter holder; the tool apron is provided with a positioning hole, and the permanent magnet block is positioned in the positioning hole. The planer tool blade holder and the blade in this scheme can be dismantled to need not to dismantle and change the blade holder when the blade needs to be changed.

Description

Detachable planer tool

Technical Field

The utility model relates to a hardware and tools field specifically discloses a planer tool.

Background

The planing tool is a tool for planing, the structure of the traditional planing tool has a welding type and an integral type, a blade and a tool apron of the welding type planing tool are made of different materials, and the blade and the tool apron are welded during installation; the blade and the tool apron of the integral planer tool are made of the same material, the blade and the tool apron are integrally formed, the tool apron is provided with a positioning hole, the positioning hole is used for positioning with a positioning piece on the planer, and the planer is provided with a complex clamping mechanism for clamping the tool apron.

However, after the two types of planing tools are installed, the blade cannot be detached from the tool holder, and after the planing tool is used for a period of time, the edge part of the blade is passivated due to abrasion, and if the planing tool is to be used continuously, the blade needs to be sharpened, but the sharpening needs more equipment and tools, and the skill requirement on sharpening personnel is higher, so that most users are difficult to sharpen the planing tool due to the limitation of conditions, and only the blade can be replaced. However, when the blade is replaced, the blade and the tool apron cannot be detached, so that the tool apron which is not worn can not be used continuously, the planer tool can be replaced integrally, and the replacement of the tool apron can cause a great deal of waste of materials. Secondly, when a new planer tool is installed, a tool apron of the new planer tool needs to be positioned and clamped, the positioning accuracy of the planer tool has great influence on the use accuracy and the use effect of the planer tool, and a non-professional person is difficult to master the positioning and installing method of the planer tool, so that the use accuracy and the use effect of the planer tool are generally greatly reduced after the planer tool is replaced; and the whole installation process is relatively complicated, so that a great deal of inconvenience is caused to users.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a planer tool that blade holder and blade can be dismantled to need not to dismantle and change the blade holder when the blade needs to be changed.

In order to achieve the above purpose, the technical scheme of the utility model is that: a detachable plane cutter comprises a cutter holder and a blade which are detachably connected, wherein a permanent magnet block which adsorbs the cutter holder and the blade together is fixed on the cutter holder.

The beneficial effect of this scheme does:

the blade holder is fixed on the planer, and when the blade wearing and tearing back, pull down the blade from the blade holder and can change new blade, need not to change the blade holder, reduce the change frequency of blade holder to reduce the material loss that changes the blade holder and cause, moreover to the user, only purchase the expense of blade and must be less than the expense of purchasing whole planer tool, so can reduce user's cost.

When the blade is replaced, the blade seat does not need to be replaced, so that the blade seat does not need to be detached from the planer, and on one hand, the workload of reinstalling the blade seat by a user can be reduced; on the other hand, the reduction of the positioning precision of the planing tool caused by improper installation of the tool holder by a user can be avoided, and the adverse effect on the use precision and the use effect of the user can be avoided.

The planer manufactured by different manufacturers has different clamping mechanisms for clamping the tool apron, so that the size of the tool apron, the position and the size of a positioning hole on the tool apron are different, and the manufacturer for manufacturing the planer needs to customize the planer according to different planer manufacturers during production, so that the production cost of the planer is further increased; for the user, when the user needs to replace the traditional planer tool, the planer tool matched with the planer used needs to be found, and the searching difficulty is high. By using the planing tool in the scheme, a planer tool manufacturer only needs to customize the tool apron according to the planer manufacturer, and the blade does not need to be customized, so that the production cost can be lower; for a user, the customized blade does not need to be found according to the planer, and the finding difficulty of the user is reduced.

Because the blade generally is iron, so when installing the blade on the blade holder, the permanent magnetism piece can attract the blade, and when installing the in-process on the planer with the blade holder, the permanent magnetism piece can avoid the blade to slide for the blade holder, and the supplementary blade of being fixed a position to improve the hookup stability of blade and blade holder, make things convenient for the installation of blade holder.

Furthermore, a positioning hole is formed in the cutter holder, and a positioning column capable of extending into the positioning hole is arranged on the blade.

The beneficial effect of this scheme does: during installation, the positioning of the blade can be completed by inserting the positioning column into the positioning hole, and the blade can be further prevented from sliding relative to the cutter holder by inserting the positioning column into the positioning hole.

Further, the permanent magnet blocks are fixed in the positioning holes.

The beneficial effect of this scheme does: the permanent magnets can not obstruct the installation of the blade, the bottom of the blade is completely attached to the top of the cutter holder, the cutter holder can provide better supporting effect for the blade, the blade is prevented from being bent or even broken in the using process, and the service life of the blade is prolonged.

Further, the bottom of the permanent magnet block is equal to the bottom of the tool apron in height.

The beneficial effect of this scheme does: the smaller the distance between the blade and the permanent magnet is, the larger the magnetic force between the blade and the permanent magnet is, when the positioning column extends to the bottom of the positioning hole, the blade is installed, the magnetic force between the blade and the permanent magnet and between the positioning column and the permanent magnet reaches the maximum, and the effect of preventing the blade from moving by the permanent magnet is better.

Further, a blade mounting groove capable of accommodating the blade is formed in the blade holder.

The beneficial effect of this scheme does: the blade is located the blade mounting groove, and when the installation blade, the blade mounting groove plays the effect of preliminary location to the blade, and the blade mounting groove can also avoid the blade to slide for the blade holder.

Further, the locating hole is located the blade mounting groove.

The beneficial effect of this scheme does: compare with the locating hole outside being located the blade mounting groove, need not establish in addition on the blade and be located the part outside the blade mounting groove and be used for setting up the reference column, so the blade of the same size materials still less, practices thrift the cost.

Furthermore, a positioning lug is fixed at the bottom of the blade mounting groove, and a positioning groove or a positioning through hole capable of accommodating the positioning lug is formed in the bottom of the blade.

The beneficial effect of this scheme does: the blade is provided with a positioning groove or a positioning through hole corresponding to the positioning lug, when the blade is installed, the positioning lug is aligned with the positioning groove or the positioning through hole, the positioning and fixing effects on the blade are achieved, and the positioning precision is further improved.

Further, the height of the positioning lug is not more than the thickness of the blade.

The beneficial effect of this scheme does: after the blade is installed, the top of the positioning lug does not protrude from the top of the blade. Because be equipped with the clamp plate on the planer, when installing the blade holder on the planer, the clamp plate can be pressed on blade holder and blade, so the location lug in this scheme does not block the clamp plate.

Furthermore, at least two mounting holes are arranged on the tool apron.

The beneficial effect of this scheme does: because the clamping mechanism on the planer of different planer manufacturers production is different, needs the mounting hole of different shapes to suit with different clamping mechanism, is equipped with two kind at least mounting holes on the blade holder among this technical scheme, and different planer manufacturers can select suitable mounting hole according to the needs of self, compares with the customization to a certain planer manufacturer alone, and the adaptability of blade holder among this technical scheme is better, and the cost is lower.

Furthermore, the included angle between the side surface of the cutter holder close to the blade and the top surface is an acute angle.

The beneficial effect of this scheme does: when the planer tool is used, the cutting part of the blade is in contact with a workpiece, and the side wall of the tool apron in the technical scheme, which is close to the blade, can not be in contact with the workpiece, so that the side wall of the tool apron is prevented from being abraded, and the service life of the tool apron is prolonged.

Drawings

Fig. 1 is a right side view of a blade and a blade holder of embodiment 1 of the present invention after installation;

fig. 2 is a front view of embodiment 1 of the present invention;

FIG. 3 is a top view of FIG. 2;

fig. 4 is a vertical cross-sectional view of a positioning bump in embodiment 2 of the present invention;

fig. 5 is a vertical cross-sectional view of the positioning bump after the pressing plate is pressed down in embodiment 2 of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the tool apron comprises a tool apron 1, a positioning bump 11, a first mounting hole 12, a second mounting hole 13, a third mounting hole 14, a pressing hole 15, a positioning hole 16, a permanent magnet 17, a blade 2, a positioning through hole 21, a positioning column 22, an elastic block 23 and a pressing plate 3.

Example 1

A detachable planer tool is shown in figure 1 and comprises a tool apron 1 and a blade 2 which are detachably connected, wherein the tool apron 1 and the blade 2 are made of high-speed steel, and particularly, the type W is selected₆Mo₅Cr₄V₂The high-speed steel of (1). The top of the cutter holder 1 is provided with an L-shaped blade mounting groove capable of accommodating the blade 2, the depth of the blade mounting groove is the same as the thickness of the blade 2, the left end of the blade 2 is a blade part, and the blade part extends out of the blade mounting groove. Tool apronThe left end face of the tool apron 1 is an inclined face with the upper end close to the left and the lower end close to the right, the left end face of the tool apron 1 and the top face of the tool apron 1 are acute angles, specifically, the angle of the acute angle is 40 degrees, and when the planing tool works, the left end face of the tool apron 1 cannot be in contact with a workpiece.

As shown in fig. 2, two positioning holes 16 are formed in the bottom gap of the blade mounting groove, and two positioning posts 22 are integrally formed at the bottom of the blade 2, and when the blade is mounted, the two positioning posts 22 are aligned with the two positioning holes 16 respectively. The positioning hole 16 is internally provided with a permanent magnet 17 in an interference fit mode, the permanent magnet 17 is positioned at the lower end of the positioning hole 16, the lower end of the permanent magnet 17 is equal to the bottom of the cutter holder 1 in height, and specifically, the permanent magnet 17 is a neodymium iron boron magnet, so that the magnetic force of the blade 2 is larger, and the blade 2 cannot slide or be separated relative to the cutter holder 1.

Blade mounting groove bottom integrated into one piece has two positioning convex block 11, be equipped with two positioning groove or positioning hole 21 on blade 2, select in this embodiment to use positioning hole 21, two positioning hole 21 can respectively with 11 clearance fit of two positioning convex block, and positioning convex block 11 highly be not more than blade 2's thickness, it is concrete, positioning convex block 11 highly is less than blade 2's height, when positioning convex block 11 stretches into in positioning hole 21, positioning convex block 11 top can not stretch out from positioning hole 21 upper end, install the planer and can not cause the hindrance.

The tool apron 1 is provided with at least two mounting holes with different shapes, as shown in fig. 3, the mounting holes in the embodiment have three different shapes, namely a first mounting hole 12, a second mounting hole 13 and a third mounting hole 14, and the first mounting hole 12, the second mounting hole 13 and the third mounting hole 14 are all located below the blade mounting groove. Two first mounting holes 12 are respectively positioned at the left end and the right end of the tool apron 1, and an opening is formed in the lower side of each first mounting hole 12; two second mounting holes 13 are formed between the two first mounting holes 12, and the second mounting holes 13 are transversely arranged in a strip shape; the number of the third mounting holes 14 is only one, and the third mounting holes 14 are located between the two second mounting holes 13, the third mounting holes 14 are vertically arranged in a strip shape, and the width of each third mounting hole 14 is larger than that of each second mounting hole 13. When the planer tool is installed, a planer manufacturer can select different installation holes according to needs. And a pressing hole 15 is formed below each of the two second mounting holes 13.

Referring to fig. 2 and 3, the specific installation process of the planing tool in this embodiment is as follows:

firstly, the blade 2 is installed on the tool apron 1, during installation, the blade 2 is manually aligned with the blade installation groove firstly, then the positioning column 22 is aligned with the positioning hole 16, meanwhile, the positioning lug 11 is aligned with the positioning through hole 21, then the blade 2 is pressed downwards, the blade 2 falls to the bottom of the blade installation groove, and at the moment, the top of the blade 2 is as high as the top of the tool apron 1.

Install blade holder 1 again on the planer, during the installation, the mounting hole that uses is selected according to the clamping mechanism on the planer to the manual work earlier, then adopt clamping mechanism on the planer to fix blade holder 1 on the planer, make the clamp plate on the planer push down on blade 2 and blade holder 1 at last, fix blade 2, compact heap on the planer clamp plate passes compact heap 15, accomplish the installation to blade holder 1, at location lug 11, reference column 22, under the combined action of the compact heap on the clamp plate 3, under the condition that blade 2 and blade holder 1 were not relaxed to clamp plate 3, blade 2 can not break away from blade holder 1.

Example 2

As shown in fig. 4, on the basis of embodiment 1, the positioning through hole 21 is provided with an elastic block 23 therein in this embodiment, and the elastic block 23 in this embodiment is a rubber block, specifically, the elastic block 23 may be adhered to the positioning through hole 21 or adhered to the top of the positioning bump 11. The elastic block 23 is located on the upper portion of the positioning through hole 21, and the upper end of the elastic block 23 extends out of the top of the positioning through hole 21, when the blade 2 is mounted on the tool apron 1, the bottom of the elastic block 23 is attached to the top of the positioning convex block 11.

The installation steps of the planer tool in this embodiment are the same as those of embodiment 1, except that, as shown in fig. 5, after the pressing plate 3 presses the cutting insert 2 and the tool holder 1, since the elastic block 23 is located between the positioning protrusion 11 and the pressing plate 3, and the upper end of the elastic block 23 is higher than the cutting insert 2, the elastic block 23 deforms under the pressure of the pressing plate 3: the height of the elastic block 23 is reduced, the lower end of the elastic block 23 enters between the positioning lug 11 and the positioning through hole 21, and when the blade 2 is subjected to transverse acting force, transverse deviation cannot occur between the positioning lug 11 and the positioning through hole 21, so that transverse deviation of the blade 2 is avoided, and the precision of the blade 2 is improved.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the present invention and the practicability of the patent. The technology, shape and construction parts which are not described in the present invention are all known technology.

Claims

1. The utility model provides a detachable planer tool which characterized in that: the tool rest or the blade is fixed with a permanent magnet which adsorbs the tool rest and the blade together; the blade holder is provided with a blade mounting groove capable of accommodating a blade, a positioning lug is fixed at the bottom of the blade mounting groove, a positioning groove or a positioning through hole capable of accommodating the positioning lug is formed in the bottom of the blade, an elastic block is arranged in the positioning through hole and located on the upper portion of the positioning through hole, and the upper end of the elastic block extends out of the top of the positioning through hole.

2. The removable planer tool of claim 1 wherein: the cutter holder is provided with a positioning hole, and the blade is provided with a positioning column which can extend into the positioning hole.

3. The removable planer tool of claim 2 wherein: the permanent magnet blocks are fixed in the positioning holes.

4. The removable planer tool of claim 3 wherein: the bottom of the permanent magnet block is equal to the bottom of the tool apron.

5. The removable planer tool of any one of claims 2 to 4 wherein: the cutter holder is provided with a blade mounting groove capable of accommodating a blade.

6. The removable planer tool of claim 5 wherein: the positioning hole is positioned in the blade mounting groove.

7. The removable planer tool of claim 6 wherein: the height of the positioning lug is not more than the thickness of the blade.

8. The removable planer tool of claim 1 wherein: the tool apron is provided with at least two mounting holes.

9. The removable planer tool of claim 1 wherein: the included angle between the side surface of the cutter holder close to the blade and the top surface is an acute angle.