CN211135667U

CN211135667U - Indexable countersink for machining header groove

Info

Publication number: CN211135667U
Application number: CN201922266565.5U
Authority: CN
Inventors: 王伟; 周峰; 王怀宇; 惠晓涛
Original assignee: Jiangsu Xinda Tools Technology Co ltd
Current assignee: Jiangsu Xinda Tools Technology Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-07-31
Anticipated expiration: 2029-12-17

Abstract

The utility model relates to an indexable countersink for processing a header groove.A plurality of convex edges with tooth-shaped or rectangular cross sections are arranged on the upper end surface of a seat body, and a guide groove and two positioning holes positioned at the two sides of the guide groove are arranged at the central position on the end surface; the groove, plane countersink base bottom all is equipped with the recess of the above-mentioned bead of cooperation, the groove, be equipped with on the plane countersink base along the location waist hole of recess direction, the groove, all be equipped with the direction mouth on the medial surface of plane countersink base, the groove, plane countersink base passes the location waist hole on two countersink bases through the screw respectively and connects two locating holes soon, two direction mouths of cooperation guide block direction, recess joint bead, the groove, install the groove on the plane countersink base respectively, the plane countersink, the groove, the blade plane of plane countersink passes through the clamp column central axis. The countersink is limited, fixed and adjustable in diameter direction, can finish the integrated processing of a plane and a groove, is beneficial to improving the processing efficiency, effectively reduces the cost of a cutter, and ensures the processing quality and safe use.

Description

Indexable countersink for machining header groove

Technical Field

The utility model relates to a cutter, but the transposition countersink of processing header groove specifically says so.

Background

In order to improve the boiler efficiency, the drum boiler is gradually developed into a tube boiler to increase a heat transfer area. The boiler water flows into the lower box body from the boiler barrel through the downcomer and is distributed to the tube bundles by the box body, the water in the tube bundles continuously absorbs heat energy and is collected into the upper box body and then flows back into the boiler barrel, and the upper box body and the lower box body are called as collecting boxes. The header mostly adopts the trompil welded tube bank structure on the main pipeline, and the drill way must process laminating plane and welding groove, and traditional numerical control processing needs to adopt two sets of cutters to divide two steps into processing plane and groove, and cutter change and substep processing are wasted time and energy. Simultaneously, the trompil is more on the main pipeline, and single trompil substep processing influences machining efficiency, improves the processing cost, if drilling and groove shaping adopt integral type cutter to process, greatly increased the cutter expense again, and very easily influence machining precision and quality, there is the potential safety hazard in the boiler use.

Disclosure of Invention

The utility model provides a simple structure, it is convenient to use, split type, the limited fixed adjustable, the integrative processing that can accomplish plane and groove of diameter direction is favorable to improving machining efficiency, effectively reduces the cutter cost, ensures the indexable countersink of processingcollection case groove of processingquality and safe handling.

The utility model adopts the technical proposal that: the utility model provides an indexable countersink of processing header groove, includes the base, and the base is for pressing from both sides the tight disjunctor pedestal structure of tight post of clamp dress rotation, its characterized in that: the upper end face of the base structure is provided with a plurality of convex edges with tooth-shaped or rectangular cross sections, the center position of the upper end face is provided with a guide groove which is vertical to the direction of the convex edges and is internally provided with a guide block, and two positioning holes which are centrally symmetrical and are not connected with the guide groove and are not vertical to the guide groove; the bottom of each of the groove countersink tool seat and the plane countersink tool seat is provided with a groove matched with the convex edge, positioning waist holes along the groove direction are formed in the groove countersink tool seat and the plane countersink tool seat, guide ports are formed in the inner side faces of the groove countersink tool seat and the plane countersink tool seat, the groove countersink tool seat and the plane countersink tool seat are respectively screwed into two positioning holes through the positioning waist holes formed in the two countersink tool seats, the two guide ports are guided by the guide blocks, the groove clamping convex edge is adjustable in the relative position of the convex edge direction, the inner side faces are relatively fixedly installed on the upper end face of the seat structure, the groove countersink tool and the plane countersink tool seat are respectively installed on the groove countersink tool seat and the plane countersink tool seat, and the cutting edge plane of the.

Furthermore, the bottom of the groove countersink seat and the bottom of the plane countersink seat are both provided with a plurality of ribs with tooth-shaped or rectangular cross sections, and one end face of the base is provided with a groove matched with the ribs.

Further, the groove countersink and the plane countersink are locked on the groove countersink seat and the plane countersink seat through screws; or the groove countersink and the plane countersink are welded on the groove countersink seat and the plane countersink seat.

Furthermore, the upper end face of the seat body structure is also provided with a plurality of jet holes which are staggered and correspond to the positions of the outer side of the groove countersink and the outer side of the plane countersink respectively, and the jet holes are communicated with a liquid channel in the seat and externally connected with liquid supply.

Furthermore, the groove countersink and the groove countersink seat are made of different materials, and the plane countersink seat are made of different materials.

Further, the groove countersink and the plane countersink are positioned on one side or different sides of the central axis of the clamping column.

Further, the positioning waist hole is a countersunk waist hole.

Furthermore, the groove countersink comprises more than two countersinks, and the more than two countersinks sequentially correspond to the groove corner machining and are fixed on the groove countersink seat in a positioning mode.

The utility model adopts the tooth-shaped or rectangular convex edge on the upper end surface of the base body structure of the base to match with the groove on the bottom surface of the countersink tool holder, has larger contact rigidity, effectively prevents the stress sliding displacement during installation and use, and is suitable for large-width, large-cutting-depth and high-beat processing; the positioning waist hole of the countersink tool seat with the counter bore is penetrated and connected with a positioning hole on the seat body structure by a screw, and the positioning hole is guided by the guide port of the countersink tool seat and matched with the guide block for positioning, so that two countersink tool seats can be quickly and accurately installed and positioned, the countersink tool seat is convenient and fast to install, does not need tool setting, has high dimensional precision, and can effectively prevent the countersink tool seat from sliding to influence processing; the groove countersink and the plane countersink are respectively arranged on the groove countersink seat and the plane countersink seat, and the screw fastening or welding mode is adopted to be suitable for countersink fixation with different processing requirements, so that the applicability is improved; the groove countersink adopts more than two countersinks to process the groove corner correspondingly in sequence, a complete and closed groove shape can be formed aiming at the required groove to be processed, and the groove bottom and the inclined plane of the groove can be processed at one time; the cutting edges of the groove countersink and the plane countersink pass through the central axis of the clamping column, the cutting edges of the groove countersink and the plane countersink are cut in the circumferential direction under the clamping rotation of the clamping column and the machine tool by the base structure along with the clamping column, so that the concentric circumferential plane and the concentric circumferential groove at the opening position on the main pipeline are cut, the cutting is performed at one time, the cutter does not need to be replaced, the operation efficiency is high, the cutting precision can be well controlled, the opening quality of the main pipeline is ensured, and the use safety performance of the header is favorably improved; the seat body can externally supply a liquid channel structurally, cutting liquid is sprayed to the cutting position through the spray holes respectively corresponding to the outer side of the groove countersink and the outer side of the plane countersink, the cutter is provided with a cooling structure, the cutter is internally cooled, the cooling is more sufficient, and the service life of the blade and the quality of the cutting precision are favorably improved. Under the processing requirement of the openings aiming at different models and specifications, the diameter direction is fixed and adjustable in a limited way on the seat structure on the basis that the convex edges and the grooves are matched to prevent skidding, and the guide ports and the guide blocks are matched to position the waist holes and the positioning holes accurately, and the exchange and the adaptation of the cutters can be realized only by replacing different counter-boring cutter holders.

Drawings

FIG. 1 is a schematic view of the utility model;

FIG. 2 is a schematic structural view of the planar countersink holder of the present invention;

fig. 3 is a schematic view of the base structure of the present invention.

In the figure: the base comprises a base 1, a clamping column 2, a base body structure 3, a positioning hole 4, a guide groove 5, a convex edge 6, a spray hole 7, a liquid channel 8, a plane countersink tool seat 9, a groove countersink tool seat 10, a countersink positioning waist hole 11, a groove 12, a guide port 13, a plane countersink tool 14, a groove countersink tool 15 and a screw 16.

Detailed Description

The following further description is made in conjunction with the accompanying drawings and examples.

FIGS. 1-3 show: an indexable countersink for processing a groove of a header comprises a base 1, a plane countersink seat 9, a groove countersink seat 10, a plane countersink 14, a groove countersink 15 and a screw 16. In fig. 3, a base 1 is a clamping column 2 connected base structure 3 for clamping and rotating, a plurality of convex ribs 6 with tooth-shaped or rectangular cross sections are arranged on the upper end surface of the base structure 3, a guide groove 5 which is perpendicular to the direction of the convex ribs and is internally provided with a guide block and two positioning holes 4 which are positioned on the two sides of the guide groove, are centrosymmetric and are connected with a non-perpendicular line to the guide groove are arranged in the center of the upper end surface; the bottom of the groove countersink tool holder 9 and the bottom of the plane countersink tool holder 10 are respectively provided with a groove 12 matched with the convex edges, the groove countersink tool holder and the plane countersink tool holder are respectively provided with a countersunk head positioning waist hole 11 along the groove direction, the inner side surfaces of the groove countersink tool holder and the plane countersink tool holder are respectively provided with a guide port 13, the groove countersink tool holder and the plane countersink tool holder respectively penetrate through the countersunk head positioning waist holes 11 on the two countersink tool holders through screws 16 to be screwed with two positioning holes, the groove countersink tool holder is matched with the guide blocks to guide the two guide ports, the groove clamping convex edges are adjustable in the direction of the convex edges, the inner side surfaces are relatively and fixedly installed on the upper end surface of the base structure 3 of the base 1, the groove countersink tool 14 and the plane countersink tool holder are respectively installed on the groove countersink tool. The upper end face of the seat body structure 4 is also provided with a plurality of jet holes 7 which are staggered and correspond to the positions of the outer side of the groove countersink and the outer side of the plane countersink respectively, and the jet holes are communicated with a liquid channel 8 in the seat to supply liquid externally.

The utility model discloses well notch countersink seat structure is similar with plane countersink seat, and the difference only lies in the difference of its countersink, and the drawing of consequently this embodiment only provides the drawing of plane countersink seat.

The utility model discloses a groove countersink and plane countersink can be located and press from both sides tight post central axis one side or be located different sides.

The utility model discloses a groove countersink is different with groove countersink seat material, plane countersink is different with plane countersink seat material. The split connection integrated structure is convenient for processing the countersink and controlling the cost and the like.

On the basis of the above embodiment, the matching mode of the convex rib and the groove can be replaced by: the bottom of the groove countersink tool seat and the bottom of the plane countersink tool seat are both provided with a plurality of ribs with tooth-shaped or rectangular cross sections, and one end face of the base is provided with a groove matched with the ribs. And the section shapes of the convex edges and the grooves can be replaced by shapes which are matched randomly to prevent the sliding perpendicular to the extending direction of the convex edges and the grooves, and the utility model is in the protection scope.

On the basis of the embodiment, the mounting mode of the countersink on the countersink seat can be selected, and a groove countersink and a plane countersink are generally adopted and locked on the groove countersink seat and the plane countersink seat through screws; or the groove countersink and the plane countersink are welded on the groove countersink seat and the plane countersink seat.

Claims

1. The utility model provides an indexable countersink of processing header groove, includes the base, and the base is for pressing from both sides the tight disjunctor pedestal structure of tight post of clamp dress rotation, its characterized in that: the upper end face of the base structure is provided with a plurality of convex edges with tooth-shaped or rectangular cross sections, the center position of the upper end face is provided with a guide groove which is vertical to the direction of the convex edges and is internally provided with a guide block, and two positioning holes which are centrally symmetrical and are not connected with the guide groove and are not vertical to the guide groove; the bottom of each of the groove countersink tool seat and the plane countersink tool seat is provided with a groove matched with the convex edge, positioning waist holes along the groove direction are formed in the groove countersink tool seat and the plane countersink tool seat, guide ports are formed in the inner side faces of the groove countersink tool seat and the plane countersink tool seat, the groove countersink tool seat and the plane countersink tool seat are respectively screwed into two positioning holes through the positioning waist holes formed in the two countersink tool seats, the two guide ports are guided by the guide blocks, the groove clamping convex edge is adjustable in the relative position of the convex edge direction, the inner side faces are relatively fixedly installed on the upper end face of the seat structure, the groove countersink tool and the plane countersink tool seat are respectively installed on the groove countersink tool seat and the plane countersink tool seat, and the cutting edge plane of the.

2. The indexable countersink for grooving a header according to claim 1, wherein: the bottom of the groove countersink tool seat and the bottom of the plane countersink tool seat are both provided with a plurality of ribs with tooth-shaped or rectangular cross sections, and one end face of the base is provided with a groove matched with the ribs.

3. The indexable countersink for grooving a header according to claim 1, wherein: the groove countersink and the plane countersink are locked on the groove countersink seat and the plane countersink seat through screws; or the groove countersink and the plane countersink are welded on the groove countersink seat and the plane countersink seat.

4. The indexable countersink for grooving a header according to claim 1, wherein: the upper end face of the seat body structure is also provided with a plurality of staggered groove countersink seats and a plurality of plane countersink seats which respectively correspond to the positions of the outer sides of the groove countersink and the outer sides of the plane countersink, and the spray holes are communicated with a liquid channel in the seat body to supply liquid externally.

5. The indexable countersink for grooving a header according to claim 1, wherein: the groove countersink and the groove countersink seat are made of different materials, and the plane countersink seat are made of different materials.

6. The indexable countersink for grooving a header according to claim 1, wherein: the groove countersink and the plane countersink are positioned on one side or different sides of the central axis of the clamping column.

7. The indexable countersink for grooving a header according to claim 1, wherein: the positioning waist hole is a countersunk waist hole.

8. The indexable countersink for grooving a header according to claim 1, wherein: the groove countersink comprises more than two countersinks, and the more than two countersinks sequentially correspond to the groove corner machining and are fixed on the groove countersink tool seat in a positioning mode.