CN209394036U - A kind of twolip forming through holes knife - Google Patents

Abstract

The utility model discloses a kind of twolip forming through holes knives, including cutter head, point of a knife, blade, knife handle, chip space, blade, pedestal, the first clamping face, the second clamping face, location hole, positioning groove and mounting hole.The beneficial effects of the utility model are: cutter head, blade, knife handle and pedestal are in integrated setting into an entirety, chip space is arranged on the outside of blade, chip space is in the shape of a spiral, convenient for waste material discharge, there is blade in the side of chip space, layer is polished on the outside of blade, the hole processed to cutter head carries out grinding process, point of a knife is symmetrically distributed in the two sides of cutter head, forming cutter is in Double-blade structure, point of a knife is made of tungsten carbide cemented carbide material, improve the hardness of point of a knife, make cutter head that there is preferable wearability simultaneously, the junction mounting hole of pedestal is equipped with resilient cushion, it avoids influencing machining accuracy, there are two positioning grooves, positioned at the two sides of the second clamping face, it is symmetric, make the stable connection of pedestal, improve safety.

Description

A kind of twolip forming through holes knife

Technical field

The utility model relates to a kind of forming cutter, specially a kind of twolip forming through holes knife belongs to machining tool skill Art field.

Background technique

Forming cutter is the specific purpose tool for processing revolving body forming surface, its cutting edge shape is set according to the profile of workpiece Meter, it is processed with forming cutter, forming surface can be cut out as long as cutting at one time stroke, easy to operate, high production efficiency forms table The precision in face is unrelated with worker operation level, depends primarily on the accuracy of manufacture of tool in cutting sword, it may ensure that being processed work The consistency and interchangeability of part surface shape and dimensional accuracy, machining accuracy is up to IT9-IT10, surface roughness Ra 6.3- Ra3.2, forming cutter are refaced often, long service life, but designing and manufacturing for cutter is more complex, at high cost, therefore main It to be used in the mass production of small parts, since the cutting edge shape of forming cutter is complicated, use hard alloy as cutter material When manufacture relatively difficult, therefore material of the multi-purpose high speed steel as cutter, in processing and fabricating, it is often necessary to through-hole technology, Simple, fast and easy, accurate it can achieve the effect that through-hole using forming cutter at this time.

There is certain deficiency in existing forming through holes knife, there are certain limitations for one, point of a knife material when in use, make knife Head it is poor in high temperature oxidation resistance and wear-resisting property, secondly, chip space designed for linear type, forming cutter work when, Cut the waste material to get off to be not easy to be discharged with the blade of rotation, influence chip removal efficiency, thirdly, existing forming cutter exists When through-hole, easily prevent the surface in hole from reaching smooth, the use of device to hole has certain influence, four, forming cutter when in use, because of height Degree rotation is easy to keep forming cutter unstable or fall off, greatly reduces safety when use.

Utility model content

The purpose of this utility model is that solve the above-mentioned problems and provides a kind of twolip forming through holes knife.

The utility model achieves the above object through the following technical schemes: a kind of twolip forming through holes knife, feature exist In: including cutter head, point of a knife, blade, knife handle, chip space, blade, pedestal, the first clamping face, the second clamping face, location hole, positioning Groove and mounting hole；The edge of a knife, blade, knife handle and pedestal constitute the forming cutter main structure, the cutter head connection blade Front end is provided with chip space on the blade there are two symmetrical point of a knife on the cutter head, and the blade is located at the outside of blade, The both ends of the knife handle are separately connected blade and pedestal, and the knife handle is connect with tube chamber welds with base, and the pedestal is connected to knife handle Tail end, the pedestal are provided with location hole, and the first clamping face and the second clamping face, first clamping face are offered on the pedestal Positioned at the tail end of pedestal, second clamping face is located at the tail end of the first clamping face, and it is recessed that second clamping face offers positioning Slot, the mounting hole are arranged at the center of base lower surface.

Preferably, in order to improve the integral strength of the forming cutter, the cutter head, blade, knife handle and pedestal are set in integration It is set to an entirety.

Preferably, it can be smoothly discharged out of chip space for the ease of the waste material under cutting, the chip space is arranged in knife On the outside of body, and chip space is in the shape of a spiral.

Preferably, in order to which the hole processed to cutter head carries out grinding process, there is blade in the side of the chip space, and Layer is polished on the outside of blade.

Preferably, in order to improve the hardness of point of a knife, while making cutter head that there is preferable wearability and increasing through-hole effect, The point of a knife is symmetrically distributed in the two sides of cutter head, and forming cutter is in Double-blade structure, and point of a knife is by tungsten carbide cemented carbide material system At.

Preferably, in order to avoid cutter head is when in use because of the big influence machining accuracy of vibration amplitude, the junction of the pedestal Mounting hole is equipped with resilient cushion.

Preferably, in order to keep the junction of pedestal more stable, safety is improved, there are two the positioning grooves, and position In the two sides of the second clamping face, it is symmetric.

The beneficial effects of the utility model are: this is used for the twolip forming cutter design of through-hole rationally, cutter head, blade, knife handle The integral strength of the forming cutter is improved at an entirety in integrated setting with pedestal, increases through-hole efficiency, chip space setting exists On the outside of blade, and chip space is in the shape of a spiral, can be smoothly discharged out of chip space convenient for the waste material under cutting, entire without influencing Via process, there is blade in the side of chip space, and polishes layer on the outside of blade, and the hole processed to cutter head carries out burnishing part Reason, convenient for the use in hole, point of a knife is symmetrically distributed in the two sides of cutter head, and forming cutter is in Double-blade structure, and point of a knife is firm by tungsten carbide Matter alloy material is made, and improves the hardness of point of a knife, while so that cutter head is had preferable wearability and increasing through-hole effect, pedestal Junction mounting hole be equipped with resilient cushion, avoid cutter head when in use because of the big influence machining accuracy of vibration amplitude, guarantee that through-hole is suitable Benefit carries out, and there are two positioning grooves, and is located at the two sides of the second clamping face, is symmetric, keeps the junction of pedestal more steady It is fixed, safety is improved, through-hole efficiency is increased.

Detailed description of the invention

Fig. 1 is the utility model twolip forming through holes knife structural schematic diagram；

Fig. 2 is the utility model cutter head structure schematic diagram；

Fig. 3 is the utility model schematic diagram of base structure.

In figure: 1, cutter head, 2, point of a knife, 3, blade, 4, knife handle, 5, chip space, 6, blade, 7, pedestal, the 8, first clamping face, 9, the second clamping face, 10, location hole, 11, positioning groove and 12, mounting hole.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1~3, a kind of twolip forming through holes knife, including cutter head 1, point of a knife 2, blade 3, knife handle 4, chip space 5, Blade 6, pedestal 7, the first clamping face 8, the second clamping face 9, location hole 10, positioning groove 11 and mounting hole 12；The edge of a knife 1, Blade 3, knife handle 4 and pedestal 7 constitute the forming cutter main structure, and the cutter head 1 connects the front end of blade 3, has on the cutter head 1 Two symmetrical points of a knife 2, are provided with chip space 5 on the blade 3, and the blade 6 is located at the outside of blade 3, and the two of the knife handle 4 End is separately connected blade 3 and pedestal 7, and the knife handle 4 is welded to connect with pedestal 7, and the pedestal 7 is connected to the tail end of knife handle 4, institute It states pedestal 7 and is provided with location hole 10, the first clamping face 8 and the second clamping face 9, first clamping face 8 are offered on the pedestal 7 Positioned at the tail end of pedestal 7, second clamping face 9 is located at the tail end of the first clamping face 8, and second clamping face 9 offers fixed Position groove 11, the mounting hole 12 are arranged at the center of 7 lower surface of pedestal.

The cutter head 1, blade 3, knife handle 4 and pedestal 7, at an entirety, improve the entirety of the forming cutter in integrated setting Intensity increases through-hole efficiency, and the setting of chip space 5 is in 3 outside of blade, and chip space 5 is in the shape of a spiral, convenient for useless under cutting Material can be smoothly discharged out of chip space 5, and without influencing entire via process, there are blade 6, and knife in the side of the chip space 5 Layer is polished on the outside of sword 6, the hole processed to cutter head 1 carries out grinding process, and convenient for the use in hole, the point of a knife 2 is symmetrical The two sides of cutter head 1 are distributed in, forming cutter is in Double-blade structure, and point of a knife 2 is made of tungsten carbide cemented carbide material, improves point of a knife 2 hardness, while making cutter head 1 that there is preferable wearability and increasing through-hole effect, the junction mounting hole 12 of the pedestal 7 Equipped with resilient cushion, cutter head 1 is avoided because of the big influence machining accuracy of vibration amplitude, to guarantee that through-hole is gone on smoothly when in use, it is described fixed There are two position grooves 11, and is located at the two sides of the second clamping face 9, is symmetric, keeps the junction of pedestal 7 more stable, mention High security increases through-hole efficiency.

Working principle: it when being used for the twolip forming cutter of through-hole using this, by the positioning groove 11 on pedestal 7 and installs The forming cutter is installed together by hole 12 with attachment base, and is clamped fixation to the first clamping face 8 and the second clamping face 9, is turned The forming cutter is moved, so that the point of a knife 2 of cutter head 1 is carried out through-hole to workpiece, cutting the waste material to get off can smoothly arrange out of chip space 5 Out, meanwhile, the layer that polishes on blade 6 polishes to through-hole.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (7)

1. a kind of twolip forming through holes knife, it is characterised in that: including cutter head (1), point of a knife (2), blade (3), knife handle (4), chip removal Slot (5), blade (6), pedestal (7), the first clamping face (8), the second clamping face (9), location hole (10), positioning groove (11) and peace It fills hole (12)；The cutter head (1), blade (3), knife handle (4) and pedestal (7) constitute the forming cutter main structure, the cutter head (1) The front end for connecting blade (3) is set on the cutter head (1) there are two symmetrical point of a knife (2), is provided with chip space on the blade (3) (5), the blade (6) is located at the outside of blade (3), and the both ends of the knife handle (4) are separately connected blade (3) and pedestal (7), institute It states knife handle (4) and pedestal (7) to be welded to connect, the pedestal (7) is connected to the tail end of knife handle (4), and the pedestal (7) is provided with positioning Hole (10) offers the first clamping face (8) and the second clamping face (9) on the pedestal (7), and first clamping face (8) is located at The tail end of pedestal (7), second clamping face (9) are located at the tail end of the first clamping face (8), and second clamping face (9) opens up Have positioning groove (11), the mounting hole (12) is arranged at the center of pedestal (7) lower surface.

2. a kind of twolip forming through holes knife according to claim 1, it is characterised in that: the cutter head (1), blade (3), knife Handle (4) and pedestal (7) are in integrated setting into an entirety.

3. a kind of twolip forming through holes knife according to claim 1, it is characterised in that: the chip space (5) is arranged in knife On the outside of body (3), and chip space (5) is in the shape of a spiral.

4. a kind of twolip forming through holes knife according to claim 1, it is characterised in that: the side of the chip space (5) is set Have blade (6), and polishes layer on the outside of blade (6).

5. a kind of twolip forming through holes knife according to claim 1, it is characterised in that: the point of a knife (2) is rigid by tungsten carbide Cemented carbide material is made, and point of a knife (2) is symmetrically distributed in the two sides of cutter head (1).

6. a kind of twolip forming through holes knife according to claim 1, it is characterised in that: pacify the junction of the pedestal (7) It fills hole (12) and is equipped with resilient cushion.

7. a kind of twolip forming through holes knife according to claim 1, it is characterised in that: the positioning groove (11) is equipped with two It is a, and the two sides of the second clamping face (9) are located at, and be symmetric.