CN220782267U - Tungsten steel hard alloy cutter convenient for chip breaking - Google Patents

Abstract

The utility model discloses a tungsten steel hard alloy cutter convenient for chip breaking, which relates to the technical field of alloy cutters and specifically comprises a cutter tail, a cutter body and a cutter head, wherein one end of the cutter body is in threaded connection with the cutter head, the other end of the cutter body is fixedly connected with the cutter tail, a limiting structure is arranged in an inner cavity of the end of the cutter tail, a chip blowing structure is arranged on an outer ring in the middle of the cutter tail, and a fixing hole is formed in the middle of the other end of the cutter tail; the limiting structure comprises a lifting rod movably connected with the inner cavity of the cutter tail and a limiting rod fixedly connected with the bottom of the lifting rod, and the other end of the limiting rod is clamped with the cutter head. This convenient tungsten steel carbide cutter of chip breaking, through the setting of blowing the bits structure, blow the annular fluid of bits structure spun and can prevent cutting winding on this cutter, reduce the influence of cutting to this cutter, the impact load of fluid application on cutting, the rupture of convenient cutting.

Description

Tungsten steel hard alloy cutter convenient for chip breaking

Technical Field

The utility model relates to the technical field of alloy cutters, in particular to a tungsten steel hard alloy cutter convenient for chip breaking.

Background

The numerical control lathe can be used as a cutter when cutting a workpiece, and the tungsten steel alloy cutter has a series of excellent performances such as high hardness, wear resistance, better strength and toughness, heat resistance, corrosion resistance and the like, so that the tungsten steel alloy cutter is widely applied to the numerical control lathe.

The utility model discloses some patents about tungsten steel carbide cutter among the prior art, like application number CN202220641450.9, including the lower part bottom plate, the upper portion of lower part bottom plate is equipped with first recess, the upper portion of first recess is equipped with the cutter installation piece, there is alloy blade through first screwed connection of cutter installation piece, the upper portion welding of lower part bottom plate has first heightening piece, the upper portion welding of first heightening piece has the roof, the upper portion of roof is connected with two first bolts, the upper portion of cutter installation piece is equipped with two second recesses, the downside of alloy blade is equipped with the edge of a knife, adopts split type frock + tungsten steel strip hand to sharpen, and the cutter of whole tungsten steel strip has improved life.

When the scheme is used, only the alloy blade, the cutter mounting block and the lower bottom plate are separated, and when the knife edge on the alloy blade cannot be used, the whole alloy blade needs to be replaced, namely the alloy blade which cannot be used is separated from the cutter mounting block and the lower bottom plate, and then the good alloy blade is fixed together with the cutter mounting block and the lower bottom plate again, so that the replacement of the alloy blade is troublesome.

Disclosure of utility model

The utility model provides a tungsten steel hard alloy cutter convenient for chip breaking, which solves the problems that the cutter blade in the cutter provided in the background art is troublesome to replace, and the whole cutter blade is replaced to cause resource waste; the cutting chips are easy to wind on the cutting blade, and the use of the cutter is affected.

The utility model provides the following technical scheme: the tungsten steel hard alloy cutter convenient for chip breaking adopts a sectional structure made of tungsten steel hard alloy, comprises a cutter head, a cutter body and a cutter tail, can realize the continuous utilization of the cutter body and the cutter tail by replacing the cutter head, saves resources and improves the convenience of the cutter during use; the cutter tail is provided with the chip blowing structure, the chip blowing structure can blow out annular fluid with pressure, cutting is prevented from being wound on the cutter body and the cutter head, the cutter is prevented from being influenced by cutting, and the fluid applies an impact load to cutting, so that cutting and breaking are facilitated.

The tungsten steel hard alloy cutter convenient for chip breaking comprises a cutter tail, a cutter body and a cutter head, wherein one end of the cutter body is in threaded connection with the cutter head, the other end of the cutter body is fixedly connected with the cutter tail, a limiting structure is arranged in an inner cavity of the end of the cutter tail, a chip blowing structure is arranged on an outer ring in the middle of the cutter tail, and a fixing hole is formed in the middle of the other end of the cutter tail;

the limiting structure comprises a lifting rod movably connected with the inner cavity of the cutter tail and a limiting rod fixedly connected with the bottom of the lifting rod, the other end of the limiting rod is clamped with the cutter head, a spring is fixedly connected with one end of the limiting rod connected with the lifting rod, and the other end of the spring is fixedly connected with the cutter tail;

The chip blowing structure comprises a positioning ring fixedly connected with the cutter tail, an air inlet pipe is fixedly connected to one side, far away from the cutter body, of the positioning ring, telescopic pipes are uniformly embedded into the other ends of the positioning ring, chip blowing rings are fixedly connected to the other ends of the telescopic pipes, and air spraying holes are uniformly formed in the middle of the other ends of the chip blowing rings.

Preferably, the middle part fixedly connected with screw thread post at tool bit top, the middle part fixedly connected with spacing groove at screw thread post top.

Preferably, the middle part of blade one end is equipped with the screw hole with the screw post adaptation, spacing groove and the inner chamber swing joint of screw hole, the middle part of blade other end is equipped with the rectangle groove with the gag lever post adaptation, just the inner chamber joint of gag lever post and spacing groove.

Preferably, the spring is in a compressed state.

Preferably, the lifting rod is L-shaped, a slot matched with the lifting rod is formed in the middle of the bottom end of the cutter tail, one end, connected with the limiting rod, of the lifting rod is located in the middle of the inner cavity of the spring, the other end of the lifting rod is located in the inner cavity of the slot, and a lifting slot is formed in the middle of the other end of the lifting rod.

Preferably, the telescopic pipe comprises an outer pipe fixedly connected with a positioning ring, a connecting pipe is movably connected in the inner cavity of the outer pipe, an inner pipe is movably connected in the inner cavity of the connecting pipe, the other end of the inner pipe extends into the inner cavity of the chip blowing ring, sliding blocks are arranged on the outer surfaces of the connecting pipe and the inner pipe, sliding grooves matched with the sliding blocks are formed in the inner walls of the outer pipe and the connecting pipe, and positioning grooves clamped with the sliding blocks are formed in the two sides of the sliding grooves.

Preferably, the slot is positioned between two adjacent telescopic pipes, and the chip blowing ring, the cutter body and the cutter head are in a movable connection state.

Compared with the prior art, the utility model has the following beneficial effects:

1. The tungsten steel hard alloy cutter convenient for chip breaking is of a sectional structure, and the cutter head can be quickly replaced, so that other parts of the cutter can be repeatedly utilized, resources are saved, and convenience in use of the cutter can be improved; through limit structure's setting, limit structure can restrict the tool bit, prevents that tool bit and blade from producing relative movement, makes tool bit and blade can be fixed firm, the use of this cutter of being convenient for.

2. According to the tungsten steel hard alloy cutter convenient for chip breaking, through the arrangement of the chip blowing structure, annular fluid sprayed by the chip blowing structure can prevent cutting from winding on the cutter, so that the influence of cutting on the cutter is reduced, impact load applied to cutting by the fluid is reduced, and the cutter is convenient to break; and the fluid can cool the cutting part of the workpiece, so that the workpiece can be machined conveniently.

Drawings

FIG. 1 is a schematic diagram of the front of the structure of the present utility model;

FIG. 2 is a schematic diagram of the left side of FIG. 1 of the structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of the structure of the present utility model in FIG. 1;

FIG. 4 is a schematic view of a structural bit according to the present utility model;

FIG. 5 is a schematic view of a telescopic tube according to the present utility model;

FIG. 6 is a schematic cross-sectional view of a connecting tube according to the present utility model.

In the figure: 1. a cutter tail; 2. a blade body; 3. a cutter head; 4. a fixing hole; 5. a positioning ring; 6. an outer tube; 7. a chip blowing ring; 8. an air inlet pipe; 9. slotting; 10. a limit rod; 11. a spring; 12. a lifting rod; 13. a threaded column; 14. a limit groove; 15. a chute; 16. a connecting pipe; 17. a positioning groove; 18. an inner tube; 19. a sliding block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The present utility model provides an embodiment: the utility model provides a convenient tungsten steel carbide cutter of chip breaking adopts tungsten steel carbide to make sectional type structure, including blade tail 1, blade 2 and tool bit 3 triplex, the one end threaded connection of blade 2 has tool bit 3, for preventing that this cutter when using, tool bit 3 and blade 2 appear relative movement, is equipped with limit structure in the inner chamber of blade 2, the other end fixedly connected with blade tail 1 of blade 2, the middle part of blade tail 1 other end is equipped with fixed orifices 4, through the setting of fixed orifices 4, is convenient for fix this cutter and numerical control lathe together.

The bottom of the tool bit 3 is provided with a cutting head, the middle part of the top of the tool bit 3 is fixedly connected with a threaded column 13, the middle part of the top of the threaded column 13 is fixedly connected with a limit groove 14, the middle part of one end of the tool body 2 is provided with a threaded hole matched with the threaded column 13, the limit groove 14 is movably connected with the inner cavity of the threaded hole, and the tool bit 3 and one end of the tool body 2 are in a threaded connection state through the arrangement of the threaded hole.

The middle part of blade 2 other end is equipped with the rectangular channel, and rectangular channel and screw hole's setting makes blade 2 be hollow state, and limit structure is located the inner chamber in rectangular channel.

The limiting structure comprises a lifting rod 12, a spring 11 and a limiting rod 10.

One end of the spring 11 is fixedly connected with the cutter tail 1, the other end of the spring 11 is fixedly connected with the limiting rod 10, the limiting rod 10 is movably connected with the inner cavity of the rectangular groove, the limiting rod 10 can only move in the length direction of the rectangular groove, the spring 11 is in a compressed state, when the cutter is used, the resilience force of the spring 11 pushes the limiting rod 10 to be close to the limiting groove 14, the limiting rod 10 can be inserted into the inner cavity of the limiting groove 14, the clamping connection of the limiting rod 10 and the limiting groove 14 is realized, the limiting rod 10 can limit the cutter head 3, and the cutter head 3 is prevented from rotating in the axial direction.

The shape of the lifting rod 12 is L-shaped, one end of the lifting rod 12 is positioned in the middle of the inner cavity of the spring 11, the end of the lifting rod 12 is fixedly connected with the middle of the limiting rod 10, one end of the cutter tail 1, which is close to the cutter body 2, is provided with an L-shaped slot 9, the other end of the lifting rod 12 is positioned in the inner cavity of the slot 9, the lifting rod 12 is movably connected with the inner cavity of the slot 9, and the middle of the other end of the lifting rod 12 is provided with a lifting groove.

Through the arrangement of the lifting rod 12 and the lifting groove, a user can move the limiting rod 10 through the lifting rod 12, so that the limiting rod 10 and the limiting groove 14 can be separated, the disassembly and the replacement of the cutter head 3 are convenient, the lifting rod 12 is magnetically connected with the cutter tail 1 for improving the stability of the lifting rod 12, and in some embodiments of the application, permanent magnets are fixedly connected with the inner wall of the slot 9 and the outer surface of the lifting rod 12.

According to the description, the cutter head 3 and the cutter body 2 can be quickly assembled and disassembled, so that the cutter can be continuously used only by replacing the cutter head 3 when the cutter is used, the whole cutter is not required to be replaced, and the convenience of the cutter in use is improved.

The outer lane at the middle part of the cutter tail 1 is provided with a chip blowing structure, the chip blowing structure comprises a positioning ring 5 fixedly connected with the cutter tail 1, one side, close to a fixing hole 4, of the positioning ring 5 is fixedly connected with an air inlet pipe 8, the end part of the air inlet pipe 8 extends into an inner cavity of the positioning ring 5, the middle part of the other end of the positioning ring 5 is uniformly embedded with a telescopic pipe, the other end of the telescopic pipe is fixedly connected with a chip blowing ring 7, the cutter body 2 and the cutter head 3 are in a movable connection state, and the middle part, close to one end of the cutter head 3, of the chip blowing ring 7 is uniformly provided with air spraying holes.

The fluid introduced into the air inlet pipe 8 has certain pressure, the impact force of the fluid sprayed out of the air spraying holes is increased, the fluid can be compressed air and high-pressure water, the pressure of the compressed air and the high-pressure water is not limited, and the impact force of the sprayed fluid applied to a processed workpiece can not influence the workpiece.

As can be seen from the above description of the chip blowing structure, the fluid in the air inlet pipe 8 can enter the inner cavity of the chip blowing ring 7 through the positioning ring 5 and the telescopic pipe, and the fluid in the chip blowing ring 7 is discharged through the air spraying holes, so that the chip blowing ring 7 can spray out annular fluid. When the cutter is used, annular fluid blown out by the chip blowing ring 7 can be blown onto chips, so that the chips are prevented from being wound on the cutter, the influence of the chips on the cutter is reduced, and the impact load can be applied to cutting when the fluid is blown onto the chips, so that the cutting is easier to break, and the cutter has the property of being convenient for chip breaking.

The telescopic pipe arranged in the above way can change the position of the chip blowing ring 7, so that the distance between the chip blowing ring 7 and the cutter head 3 is adjusted according to the requirements, the impact load applied by fluid on cutting is large, and chip breaking is convenient.

The flexible pipe includes outer tube 6 with holding ring 5 fixed connection, the one end of outer tube 6 extends to the intracavity of holding ring 5, the intracavity swing joint of outer tube 6 has connecting pipe 16, the intracavity swing joint of connecting pipe 16 has inner tube 18, the other end of inner tube 18 extends to the intracavity of blowing bits ring 7, and the surface of connecting pipe 16 and inner tube 18 both all is equipped with slider 19, the inner wall of outer tube 6 and connecting pipe 16 both all is equipped with the spout 15 with slider 19 adaptation, and the both sides of spout 15 are equipped with the constant head tank 17 with slider 19 joint, fluting 9 is located between two adjacent flexible pipes.

As can be seen from the above description of the telescopic tube, when the slider 19 is located in the inner cavity of the chute 15, the slider 19 can move along the length of the chute 15, so that the length of the telescopic tube is changed, the position of the slider 19 can be changed by rotating the inner tube 18 or the connecting tube 16, so that the slider 19 can be clamped with the positioning slot 17, the position of the inner tube 18 or the connecting tube 16 is fixed, the length of the telescopic tube is fixed, and the tool is convenient to use.

To sum up: when the tungsten steel hard alloy cutter convenient for chip breaking is used, the position of the chip blowing ring 7 is adjusted according to the requirement, after the position of the chip blowing ring 7 is proper, a user rotates the inner tube 18, the rotation of the inner tube 18 enables the sliding block 19 fixedly connected with the inner tube 18 to be clamped with the positioning groove 17, the inner tube 18 is fixed with the connecting tube 16, at the moment, the continuous rotation of the inner tube 18 enables the sliding block 19 on the connecting tube 16 to be clamped with the positioning groove 17 on the outer tube 6, the connecting tube 16 is fixed with the outer tube 6, and the length of the telescopic tube is fixed, namely, the position of the chip blowing ring 7 on the cutter is fixed.

When the cutter cuts a workpiece, fluid is introduced into the air inlet pipe 8 by using equipment capable of generating fluid with pressure, the fluid in the air inlet pipe 8 is discharged from the air injection hole through the locating ring, the telescopic pipe and the chip blowing ring 7, the fluid is annular, the ejected annular fluid applies impact load to cutting and prevents the cutting from winding on the cutter, chip breaking is facilitated, the ejected annular fluid cannot influence the workpiece, and the cutting part of the workpiece can be cooled.

Standard parts used in the present utility model can be purchased from the market, the special-shaped parts can be customized according to the descriptions of the specification and the drawings, the specific connection modes of the parts are conventional means such as bolts, rivets, welding and the like which are mature in the prior art, and the machines, the parts and the equipment are conventional models in the prior art, so that details which are not described in detail in the specification belong to the prior art which is well known to the person skilled in the art, and although the embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made in these embodiments without departing from the principle and spirit of the present utility model, and the scope of the present utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a tungsten steel carbide cutter convenient chip breaking, includes tail (1), blade (2) and tool bit (3), its characterized in that: one end of the cutter body (2) is in threaded connection with a cutter head (3), the other end of the cutter body (2) is fixedly connected with a cutter tail (1), a limiting structure is arranged in an inner cavity of the end of the cutter tail (1), a chip blowing structure is arranged on the outer ring of the middle part of the cutter tail (1), and a fixing hole (4) is formed in the middle of the other end of the cutter tail (1);

The limiting structure comprises a lifting rod (12) movably connected with the inner cavity of the cutter tail (1) and a limiting rod (10) fixedly connected with the bottom of the lifting rod (12), the other end of the limiting rod (10) is clamped with the cutter head (3), one end, connected with the lifting rod (12), of the limiting rod (10) is fixedly connected with a spring (11), and the other end of the spring (11) is fixedly connected with the cutter tail (1);

The chip blowing structure comprises a positioning ring (5) fixedly connected with a cutter tail (1), an air inlet pipe (8) is fixedly connected to one side, far away from the cutter body (2), of the positioning ring (5), telescopic pipes are uniformly embedded into the other ends of the positioning ring (5), chip blowing rings (7) are fixedly connected to the other ends of the telescopic pipes, and air spraying holes are uniformly formed in the middle of the other ends of the chip blowing rings (7).

2. The tungsten steel hard alloy cutter convenient for chip breaking according to claim 1, wherein: the middle part at tool bit (3) top fixedly connected with screw thread post (13), the middle part at screw thread post (13) top fixedly connected with spacing groove (14).

3. The tungsten steel hard alloy cutter convenient for chip breaking according to claim 2, wherein: the middle part of blade (2) one end is equipped with the screw hole with screw post (13) adaptation, spacing groove (14) and the inner chamber swing joint of screw hole, the middle part of blade (2) other end is equipped with the rectangle groove with gag lever post (10) adaptation, just gag lever post (10) and the inner chamber joint of spacing groove (14).

4. The tungsten steel hard alloy cutter convenient for chip breaking according to claim 1, wherein: the spring (11) is in a compressed state.

5. The tungsten steel hard alloy cutter convenient for chip breaking according to claim 1, wherein: the utility model discloses a knife handle, including knife tail (1), spring (11) inner chamber, lifting rod (12), grooving (9) that lifting rod (12) are equipped with in the middle part of knife tail (1) bottom with lifting rod (12) adaptation, the one end that lifting rod (12) is connected with gag lever post (10) is located the middle part of spring (11) inner chamber, the other end of lifting rod (12) is located the inner chamber of grooving (9), just the middle part of lifting rod (12) other end is equipped with and lifts the draw groove.

6. The tungsten steel hard alloy cutter convenient for chip breaking according to claim 5, wherein: the telescopic pipe comprises an outer pipe (6) fixedly connected with a positioning ring (5), a connecting pipe (16) is movably connected in an inner cavity of the outer pipe (6), an inner pipe (18) is movably connected in an inner cavity of the connecting pipe (16), the other end of the inner pipe (18) extends into an inner cavity of a chip blowing ring (7), sliding blocks (19) are arranged on the outer surfaces of the connecting pipe (16) and the inner pipe (18), sliding grooves (15) matched with the sliding blocks (19) are formed in the inner walls of the outer pipe (6) and the connecting pipe (16), and positioning grooves (17) clamped with the sliding blocks (19) are formed in the two sides of the sliding grooves (15).

7. The tungsten steel hard alloy cutter convenient for chip breaking according to claim 6, wherein: the slotting (9) is positioned between two adjacent telescopic pipes, and the chip blowing ring (7), the cutter body (2) and the cutter head (3) are in a movable connection state.