CN215315774U

CN215315774U - Heavy-load interchangeable pressing plate type cutter

Info

Publication number: CN215315774U
Application number: CN202121768938.XU
Authority: CN
Inventors: 李剑; 王鹏飞
Original assignee: China Innovation Academy of Intelligent Equipment Co Ltd CIAIE
Current assignee: China Innovation Academy of Intelligent Equipment Co Ltd CIAIE
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2021-12-28
Anticipated expiration: 2031-07-30

Abstract

The application relates to the technical field of cutters, in particular to a heavy-load interchangeable pressing plate type cutter, which aims at heavy-load cutting machining of large-sized workpieces and comprises a cutter bar base body, a blade, a pressing component and a locking component, wherein a first mounting groove and a second mounting groove are formed in the cutter bar base body; the blade is arranged in the first mounting groove; the pressing component is arranged in the second mounting groove and is used for pressing the blade; the locking member locks the pressing member and the blade to the holder base. The pressing component is assembled with the cutter bar base body through the shallow groove, pressing force on the cutter blade is increased, displacement of each position of the cutter blade is effectively limited, cleaning is convenient, the same pressing component is suitable for large-size heavy cutting superhard cutter blades with inscribed circles of 12.7mm, 15.875mm, 20mm and the like, interchangeability is achieved, large-area alloy occupation is adopted in the front portion of the pressing component, impact resistance and wear resistance of the front side are improved, and chip breaking and chip removal during heavy cutting are facilitated due to the specific angle design.

Description

Heavy-load interchangeable pressing plate type cutter

Technical Field

The application relates to the technical field of cutters, in particular to a heavy-load interchangeable pressing plate type cutter.

Background

At present, with the rapid development of modern material science and production and manufacturing technology, the superhard materials such as diamond, cubic boron nitride, ceramics and the like which are the hardest in the world are widely applied to the manufacturing industries of domestic and foreign cutters, and the produced superhard cutters are widely applied to the fields of mechanical processing, particularly heavy-load processing and the like because the hardness, the thermal stability, the toughness and the chemical inertness of the superhard cutters are superior to those of hard alloy blades.

However, the traditional pressing plate type installation clamping mode adopted by the high-hardness polycrystalline blade at present has the following defects: traditional clamp plate and cutter arbor cooperation adopt the round hole pit locate mode, and cutting iron fillings get into the crack very easily, clear up the difficulty to reduce the blade clamp force, the dislocation leads to the not tight workpiece surface scar of causing of blade centre gripping about the clamp plate is not hard up simultaneously, and the displacement of blade small range also can cause machining error.

SUMMERY OF THE UTILITY MODEL

An object of the application is to provide a heavy load interchangeable clamp plate formula cutter, has solved traditional clamp plate and the cooperation of cutter arbor that exist among the prior art to a certain extent and has adopted the round hole pit location mode, leads to machining error and difficult technical problem who clears up.

The application provides a heavy load interchangeable clamp plate formula cutter includes: the cutter bar comprises a cutter bar base body, a cutter blade, a pressing component and a locking component; the cutter bar base body is provided with a first mounting groove and a second mounting groove which are communicated with each other; the blade is arranged in the first mounting groove and abuts against the second mounting groove;

the pressing member is arranged in the second mounting groove and is abutted against the second mounting groove, and the pressing member is used for pressing the blade in the first mounting groove;

the locking member is used for locking the pressing member and the blade to the cutter bar base body.

In any of the above technical solutions, further, the design of the pressing member is based on the blade with the diameter of the inscribed circle of 15.875, and the foremost end of the pressing member covers the center of the inscribed circle of the blade with the diameter of 15.875, and the minimum distance between the foremost end of the pressing member and the center of the inscribed circle of the blade is 2mm to 3 mm.

In the above technical solution, further, the pressing member includes a first pressing portion, a main body, and a second pressing portion connected in sequence, and a bottom surface of the first pressing portion and a bottom surface of the second pressing portion are both lower than a bottom surface of the main body;

the locking member comprises a threaded connection part and a limiting part, the threaded connection part sequentially penetrates through and is in threaded connection with the main body of the pressing member and the cutter bar base body, and the limiting part abuts against the surface of the pressing member, far away from the blade.

In any one of the above technical solutions, further, an installation notch is formed on one side of the first pressing portion, which is away from the main body, and a wear-resistant alloy portion is arranged in the installation notch and connected with the first pressing portion.

In any one of the above technical solutions, further, the wear-resistant alloy portion is connected to the first press-fitting portion by welding.

In any of the above technical solutions, further, the first press-fitting portion has a first chip removal slope, and the wear-resistant alloy portion has a second chip removal slope adapted to the first chip removal slope;

the edge of the main body connected with the first pressing part is provided with a chamfer so as to form a chip breaking inclined plane.

In any one of the above technical solutions, further, a cross section of the installation notch perpendicular to the width direction of the pressing member is V-shaped.

In any one of the above technical solutions, further, the main body is rectangular, and a chamfer is provided at a part of the edge of the main body.

In any of the above technical solutions, further, the heavy-duty interchangeable platen type cutter further includes an adjusting pad block, and the adjusting pad block is disposed between the bottom wall of the first mounting groove and the blade; and/or

The blade is a heavy-duty cutting superhard blade.

In any of the above technical solutions, further, the heavy-duty interchangeable platen type tool further includes a fastener, and the fastener locks the adjusting pad to the holder base.

Compared with the prior art, the beneficial effect of this application is:

the application provides a heavy load interchangeable clamp plate formula cutter has the package assembly of pressing the component of brand-new design, specifically, presses the component to establish the equipment with the cutter arbor base member through the second mounting groove, has increased the packing force to the blade, restricts the displacement in each position of blade effectively for the blade is more stable, more firm, improves cutting efficiency and machining precision, has still promoted security and the reliability of using in addition.

And notice this heavy load interchangeable clamp plate formula cutter abandons the package assembly in round hole deep pit in the past, and adopts the cooperation of shallow slot, has avoided cutting iron fillings to get into the crack, and then makes the workman clear up more convenient, labour saving and time saving.

Drawings

In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is an exploded view of a heavy duty interchangeable platen cutter according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of an assembly structure of a heavy-duty interchangeable platen-type tool according to an embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of a tool bar substrate according to an embodiment of the present disclosure;

FIG. 4 is a schematic structural diagram of a pressing member according to an embodiment of the present disclosure;

FIG. 5 is a schematic view of an assembled relationship between a heavy-duty interchangeable platen-type cutter and a cutter with an inscribed circle diameter of 15.875mm according to an embodiment of the present application;

FIG. 6 is a schematic view of an assembled relationship between a heavy-duty interchangeable platen-type cutter and a blade with an inscribed circle diameter of 12.7mm according to an embodiment of the present application;

fig. 7 is a schematic view of an assembly relationship between a heavy-duty interchangeable platen-type cutter and a blade with an inscribed circle diameter of 20mm according to an embodiment of the present application.

Reference numerals:

1-a cutter bar base body, 11-a first installation groove, 12-a second installation groove, 2-an adjusting cushion block, 3-a fastener, 4-a blade, 5-a pressing component, 51-a first pressing part, 511-a first chip removal inclined surface, 52-a main body, 53-a second pressing part, 54-a wear-resistant alloy part, 541-a second chip removal inclined surface, 542-a chip removal inclined surface, 6-a locking component, 61-a threaded connection part and 62-a limiting part.

Detailed Description

The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments.

The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application.

All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, 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 the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. 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 application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

A heavy duty interchangeable platen cutter according to some embodiments of the present application is described below with reference to fig. 1-4.

Referring to fig. 1 and 2, embodiments of the present application provide a heavy duty interchangeable platen-type tool comprising: the cutter bar comprises a cutter bar base body 1, a blade 4, a pressing component 5 and a locking component 6; wherein, the cutter bar base body 1 is provided with a first mounting groove 11 and a second mounting groove 12 which are communicated with each other; the blade 4 is arranged in the first mounting groove 11 and is abutted against the second mounting groove 12;

the pressing member 5 is arranged in the second mounting groove 12 and is used for pressing the blade 4 in the first mounting groove 11;

the locking member 6 is used to lock the pressing member 5 and the insert 4 to the holder base 1.

It can be seen that the pressing member 5 is assembled with the tool holder base 1 through the second mounting groove 12, so that the pressing force on the blade 4 is increased, and the pressing force and the first mounting groove 11 cooperate to effectively limit the displacement of the blade 4 in each direction, so that the blade 4 is more stable and firmer, the cutting efficiency and the machining precision are improved, and the use safety and the use reliability are improved.

In addition, because the pressing member 5 of the heavy-duty interchangeable pressing plate type cutter is matched with the shallow groove, the conventional round hole deep pit positioning is abandoned, so that the pressing plates corresponding to the blades 4 with different inscribed circles do not have the problem that the pressing plates cannot be commonly used due to different sizes of the deep pits, namely the pressing member 5 has better interchangeability.

Note that the insert 4 may be made of one of polycrystalline cubic boron nitride (PcBN), polycrystalline diamond (PCD), and a ceramic material, and the insert 4 is not limited to the square insert 4 in the present embodiment, which is merely an example, and a circular insert or other indexable inserts may be used. Moreover, the blade 4 is a heavy-duty cutting superhard blade and is applied to heavy-duty cutting, and certainly, the blade is not limited to the heavy-duty cutting superhard blade, and the type of the blade 4 can be selected according to the requirement.

In one embodiment of the present application, as shown in fig. 5 to 7, preferably, the pressing member 5 is designed based on the blade 4 with the diameter R1 of the inscribed circle being 15.875mm, the foremost end of the pressing member 5 covers the center of the inscribed circle of the blade 4 with the diameter R1 of 15.875mm, and the minimum distance a between the two is 2mm to 3mm, that is, the foremost end of the first pressing part 51 far from the second pressing part 53 covers the center of the inscribed circle of the blade 4, and the minimum distance a between the foremost end of the first pressing part 51 far from the second pressing part 53 and the center of the inscribed circle of the blade 4 is 2mm to 3 mm. In this embodiment, the dimensioning of the pressing member 5 is based on the blade 4 having an inscribed circle of 15.875mm diameter R1, which is a compromise value, namely that the foremost end of the pressing member 5 is located at the position of the center of the circle of 15.875mm diameter R1.

Thus, for a blade 4 with an inscribed circle diameter R2 of 12.7mm, the position of the foremost end of the pressing member 5 is located further forward than the center of the inscribed circle with a diameter R2 of 12.7mm, but is not too far forward, so that for a blade 4 with an inscribed circle diameter R3 of 20mm, the foremost end of the pressing member 5 is located substantially at the center of the inscribed circle with a diameter R3 of 20mm, and the pressing requirement is met.

Based on the above description, the pressing member 5 has better versatility, and is suitable for three heavy-duty interchangeable platen type cutters with different sizes, and the structure of the pressing member 5 is simplified, and meanwhile, the processing and production cost of the heavy-duty interchangeable platen type cutter is reduced.

In one embodiment of the present application, preferably, as shown in fig. 1, 2 and 4, the pressing member 5 includes a first pressing portion 51, a main body 52 and a second pressing portion 53 connected in sequence, a bottom surface of the first pressing portion 51 and a bottom surface of the second pressing portion 53 are lower than a bottom surface of the main body 52, specifically, the bottom surface of the first pressing portion 51 includes a first pressing surface and a first turning surface forming an angle, the bottom surface of the second pressing portion 53 includes a second pressing surface and a second turning surface forming an angle, and the first turning surface, the bottom surface of the main body 52 and the second turning surface enclose a hollow space, that is, the two pressing portions and the main body 52 form a micro-arch structure.

The locking member 6 comprises a threaded connection portion 61 and a limiting portion 62, the threaded connection portion 61 sequentially penetrates through and is in threaded connection with the main body 52 of the pressing member 5 and the cutter bar base body 1, and the limiting portion 62 abuts against the surface, far away from the blade 4, of the pressing member 5. Note that, according to the strength requirement of heavy-duty cutting, the locking member 6 with a large diameter, such as a bolt, can be selected accordingly, and the positioning bolt hole on the main body 52 of the pressing member 5 can be enlarged correspondingly, so that the structure is simple and the manufacturing cost is low.

In this embodiment, the pressing member 5 and the locking member 6 form a detachable connection structure therebetween, which is convenient for operation and maintenance.

Wherein, pressing and setting up member 5 has adopted brand-new structure, two pressing and setting up portions and main part 52 form little bow-shaped structure, so when locking member 6 locks it in cutter arbor base member 1, little bow-shaped structure then has little deformation and resists the downward pressure that locking member 6 applyed, that is little bow-shaped structure produces ascending power to locking member 6, this power will lead to the threaded connection portion of

locking member

6 and 61 cutter arbor base member 1's threaded hole wall contact more closely, play the effect that the reinforcing is pressed and is set up member 5 and cutter arbor base member 1 and be connected, and then increase the clamp force to blade 4, make blade 4 more stable.

Wherein, preferably, the first pressing portion 51 is a block body with a triangular section perpendicular to the width direction of the pressing member 5; the second pressing portion 53 is a square block; the main part 52 is the cuboid form, when can guaranteeing to have sufficient installation area, simple structure, and the assembly and manufacturing of being convenient for, and the part edge of main part 52 is provided with the chamfer, avoids the edges and corners sharp, influences assembly and cuts wounded operating personnel.

As shown in fig. 1 to 3, the first pressing portion 51, the main body 52 and the second pressing portion 53 are preferably of an integral structure, and have high strength, low probability of damage and long service life.

In one embodiment of the present application, preferably, as shown in fig. 1, a mounting notch is formed on a side of the first pressing portion 51 away from the main body 52, a wear-resistant alloy portion 54 is disposed in the mounting notch, and the wear-resistant alloy portion 54 is connected with the pressing portion.

In this embodiment, the heavy-duty interchangeable platen type tool is additionally provided with the wear-resistant alloy portion 54, so that the impact resistance, wear resistance and service life of the pressing member 5 are improved, and the wear-resistant alloy is only arranged at the front end portion, so that materials can be saved, and waste is avoided.

In an embodiment of the present application, the wear-resistant alloy portion 54 is preferably connected to the first pressing portion 51 by welding, so that the wear-resistant alloy is more stably installed on the first pressing portion 51, is not easily separated, and is safer and more reliable.

In one embodiment of the present application, it is preferable that the mounting notch has a V-shaped cross section perpendicular to the width direction of the pressing member 5 as shown in fig. 4, and the mounting notch of this structure can sandwich the wear-resistant alloy portion 54, so that the two are assembled more stably.

In one embodiment of the present application, preferably, as shown in fig. 4, the first press-fitting portion 51 has a first chip removal slope 511, and the wear-resistant alloy portion 54 has a second chip removal slope 541 adapted to the first chip removal slope 511, wherein the slope of the chip removal slope is inclined to facilitate chip removal.

The edge of the body 52 that connects to the first press-fit portion 51 is chamfered to form a chip-breaking chamfer 542 to facilitate chip-breaking drainage at this location.

Therefore, the structure is beneficial to chip breaking and chip removal during cutting, particularly heavy-load cutting, and the cutting effect and the service life of the pressing plate are guaranteed while the cutting efficiency is improved.

In one embodiment of the present application, preferably, as shown in fig. 1 and 2, the heavy-duty interchangeable platen type tool further includes an adjusting pad 2 and a fastener 3, the adjusting pad 2 is disposed between the bottom wall of the first mounting groove 11 and the blade 4, specifically, the fastener 3 may be a screw which passes through the adjusting pad 2 and is screwed to the holder base 1, and the head end of the fastener 3 is hidden in the adjusting pad 2, that is, the head end of the fastener 3 is not higher than the top of the adjusting pad 2.

In this embodiment, the adjusting cushion block 2 is provided to be adaptable to mounting the blades 4 with different thicknesses, so that the blades 4 with different thickness sizes can be always in close contact with the pressing member 5 to ensure pressing force.

In conclusion, the heavy-duty interchangeable clamp plate type cutter provided by the application has the following advantages:

firstly, the pressing member 5 adopts a brand-new positioning mode, and particularly aims at heavy-load cutting processing of a large-sized workpiece, the pressing member 5 is matched with the cutter bar base body 1 through a shallow groove, so that cutting scrap iron is prevented from entering a crack, displacement of each direction of the blade 4 is limited, pressing force of the blade 4 is increased, and cutting efficiency and processing precision are improved;

secondly, the pressing member 5 is suitable for heavy-duty heavy-cutting superhard blades 4 with the diameters of inscribed circles of 12.7mm, 15.875mm, 20mm and the like, has interchangeability, and has simplified structure and strong universality as the pressing member 5 is simplified, and simultaneously reduces the processing and production cost of heavy-duty interchangeable pressing plate type cutters;

third, this pressure is established the anterior alloy occupy-place that adopts bigger area and degree of depth of component 5, increases this pressure and establishes the impact resistance and the wearability of the front side of component 5, combines the specific angle of design also more to do benefit to the chip breaking and the chip removal when heavily loaded the cutting simultaneously, when improving cutting efficiency, has also guaranteed the life of cutting effect and clamp plate.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A heavy duty interchangeable platen cutter, comprising: the cutter bar comprises a cutter bar base body, a cutter blade, a pressing component and a locking component; the cutter bar base body is provided with a first mounting groove and a second mounting groove which are communicated with each other; the blade is arranged in the first mounting groove and abuts against the first mounting groove;

2. The heavy duty interchangeable platen cutter of claim 1, wherein the pressing member is designed with respect to the blade having an inscribed circle of 15.875 diameter, the forwardmost end of the pressing member covers the center of the inscribed circle of the blade having a diameter 15.875, and the minimum distance between the forwardmost end of the pressing member and the center of the inscribed circle of the blade is 2mm to 3 mm.

3. The heavy duty interchangeable platen cutter of claim 1, wherein the press member comprises a first press portion, a body, and a second press portion connected in series, a bottom surface of the first press portion and a bottom surface of the second press portion each being lower than a bottom surface of the body;

4. The heavy duty interchangeable platen cutter of claim 3, wherein a mounting notch is formed in a side of the first pressed portion remote from the main body, a wear resistant alloy portion is disposed in the mounting notch, and the wear resistant alloy portion is connected to the first pressed portion.

5. The heavy duty interchangeable platen cutter of claim 4, wherein the wear alloy portion is joined to the first pressed portion by welding.

6. The heavy duty interchangeable platen cutter of claim 4, wherein the first coined portion has a first chip evacuation chamfer and the wear alloy portion has a second chip evacuation chamfer compatible with the first chip evacuation chamfer;

7. The heavy duty interchangeable platen cutter of claim 4, wherein a cross-section of the mounting notch perpendicular to a width direction of the pressing member is V-shaped.

8. The heavy duty interchangeable platen cutter of claim 3, wherein the body is rectangular and a portion of the edges of the body are chamfered.

9. The heavy duty interchangeable platen cutter according to any one of claims 1 to 8, further comprising an adjustment spacer disposed between the bottom wall of the first mounting slot and the blade; and/or

The blade is a heavy-duty cutting superhard blade.

10. The heavy-duty interchangeable platen cutter of claim 9, further comprising a fastener that locks the setting block to the toolholder base.