CN217433268U

CN217433268U - Thread milling cutter convenient to butt joint

Info

Publication number: CN217433268U
Application number: CN202220395804.6U
Authority: CN
Inventors: 周华清; 宋停停; 吴微军; 朱正军
Original assignee: Suzhou Xinjunyi Cutting Technology Co ltd
Current assignee: Suzhou Xinjunyi Cutting Technology Co ltd
Priority date: 2022-02-26
Filing date: 2022-02-26
Publication date: 2022-09-16
Anticipated expiration: 2032-02-26

Abstract

The utility model relates to a milling cutter technical field discloses a thread milling cutter convenient to butt joint, including handle of a knife and tool bit, the handle of a knife includes double-screw bolt, awl section of thick bamboo and polished rod, and double-screw bolt, polished rod integration respectively set up in the both ends of an awl section of thick bamboo, the tool bit has been cup jointed on the lateral wall of double-screw bolt, the tooth's socket has been seted up on the lateral wall of polished rod one end, and has cup jointed the knob on the lateral wall of tooth's socket. The utility model discloses in through revolving wrong knob, firmly twist the tip of the awl section of thick bamboo of spindle shape in the mounting hole of blade holder, again through the tip at the tool bit set up with double-screw bolt assorted internal thread, make the tool bit homoenergetic and the double-screw bolt butt joint of multiple specification, thereby effectively improve this thread milling cutter's assembly efficiency, through the middle part at a awl section of thick bamboo densely covered non-slip raised, and through the tooth's socket department with the knob suit at the polished rod, skid when avoiding operating, and through establishing the spring at polished rod outside cover, a reaction force for alleviateing knob department, the practicality further improves.

Description

Thread milling cutter convenient to butt joint

Technical Field

The utility model relates to a milling cutter technical field specifically is a thread milling cutter convenient to butt joint.

Background

A thread milling cutter is a rotary tool having one or more teeth and is commonly used for machining internal and external threads of metal workpieces. When the tool bit assembly is used, the tool bit assembly with the required specification is selected firstly, then the tool bit assembly is assembled and butted, and finally the tool bit assembly is installed on a driving end of equipment.

The traditional Chinese patent discloses a thread milling cutter convenient to butt joint, wherein the publication number is CN215034242U, the publication date is 2021-12-07, a cooling liquid inlet pipe is arranged at the left side of a thread milling cutter body in the patent technology, a mounting seat is arranged above a cutter handle, a slot is formed in the center of the interior of the mounting seat, and a damping spring is arranged at the top of the inner side of the slot; the mounting seat is designed to be of a concave structure, the center line of the mounting seat is coincident with the center line of the tool handle, and the mounting seat is perpendicular to the tool handle. This thread milling cutter not only is convenient for install the thread milling cutter body and dismantles, change the maintenance, can cool off the thread milling cutter body simultaneously, has strengthened the life of thread milling cutter body.

However, the milling cutter body and the mounting seat are connected by a buckle, and the clamping block is driven by a double-thread screw rod, so that the milling cutter is convenient to mount and dismount, but the whole structure is complex and has low stress strength, and the milling cutter is not suitable for a high-strength running cutter device such as a thread milling cutter; and set up the spring as the connecting piece between milling cutter body and mount pad, not only can't play better cushioning effect, can lead to milling cutter body to rock on the contrary, and then cause the machining precision to reduce, and the practicality lacks the guarantee. In view of this situation, those skilled in the art have provided a thread milling cutter that facilitates butt joint.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a thread milling cutter convenient to butt joint to solve the comparatively complicated and lower, the not enough problem of practicality of atress intensity of butt joint structure that provides in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a thread milling cutter convenient to butt joint, includes handle of a knife and tool bit, the handle of a knife includes double-screw bolt, a awl section of thick bamboo and polished rod, and double-screw bolt, polished rod integration respectively set up in the both ends of a awl section of thick bamboo, the tool bit has been cup jointed on the lateral wall of double-screw bolt, the tooth's socket has been seted up on the lateral wall of polished rod one end, and has cup jointed the knob on the lateral wall of tooth's socket.

As a further aspect of the present invention: the awl section of thick bamboo is fusiformis, applicable in the installation aperture of difference, and gathers on the lateral wall at awl section of thick bamboo middle part has the non slipping spur, skids when avoiding installing to screw thread has been seted up in the opposite direction respectively on the lateral wall at awl section of thick bamboo both ends for screw thread locking.

As a further aspect of the present invention: the middle part of tool bit one end is seted up with double-screw bolt assorted internal thread for the tool bit homoenergetic of multiple specification and double-screw bolt butt joint.

As a further aspect of the present invention: the one end axial of knob bonds there is the rubber circle, and the middle part of knob, rubber circle all seted up with tooth's socket assorted flute, the dismouting of being convenient for.

As a further aspect of the present invention: the polished rod outside cover of rubber circle one side is equipped with the spring, and the both ends of spring respectively with awl section of thick bamboo, rubber circle in close contact with, realize certain buffering effect of moving away to avoid possible earthquakes, alleviate the reaction force of knob department.

The utility model has the advantages that:

1. the knob is sleeved at the tooth socket of the polished rod and then screwed, the end part of the spindle-shaped cone is firmly screwed into the mounting hole of the cutter holder, and the internal thread matched with the stud is arranged at the end part of the cutter head, so that the cutter heads of various specifications can be butted with the stud, the structure is simple and reliable, and the assembly efficiency of the thread milling cutter is effectively improved;

2. through the middle part at a awl section of thick bamboo densely covered non-slip raised to through the tooth's socket department with the knob suit, skid when avoiding operating, and establish the spring through the polished rod outside cover between a awl section of thick bamboo, rubber circle, be used for alleviateing the reaction force of knob department, the practicality further improves.

Drawings

The present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a perspective view of a thread milling cutter for facilitating butt joint;

FIG. 2 is a schematic view of the structure of the tool shank of FIG. 1;

fig. 3 is a schematic view of the cutting head of fig. 1.

In the figure: 1. a knife handle; 101. a stud; 102. a conical cylinder; 103. a polish rod; 2. a cutter head; 3. anti-skid projections; 4. thread teeth; 5. a spring; 6. a tooth socket; 7. a knob; 8. a rubber ring.

Detailed Description

The following description will be clearly and completely described with reference to the drawings in the embodiment of the present invention, and please refer to fig. 1 to 3, the embodiment of the present invention is as follows:

a thread milling cutter facilitating butt joint, in fig. 1 and 2: including handle of a knife 1 and tool bit 2, handle of a knife 1 includes double-screw bolt 101, a awl section of thick bamboo 102 and polished rod 103, and double-screw bolt 101, polished rod 103 integration respectively set up in the both ends of a awl section of thick bamboo 102, have cup jointed tool bit 2 on the lateral wall of double-screw bolt 101, have seted up tooth's socket 6 on the lateral wall of polished rod 103 one end, and have cup jointed knob 7 on the lateral wall of tooth's socket 6.

In fig. 1 and 3: the conical cylinder 102 is spindle-shaped, two ends of the conical cylinder can be suitable for different installation apertures, anti-skid protrusions 3 are densely distributed on the outer side wall of the middle of the conical cylinder 102, so that slipping during installation operation is avoided, and the outer side walls of the two ends of the conical cylinder 102 are respectively and reversely provided with screw threads 4 for screw thread locking, so that loosening or falling off during use is avoided; the middle part of 2 one ends of tool bit is seted up with stud 101 assorted internal thread for the tool bit 2 homoenergetic of multiple specification docks with stud 101.

In fig. 1 and 2: a rubber ring 8 is axially bonded at one end of the knob 7, and grooves matched with the tooth grooves 6 are formed in the middle parts of the knob 7 and the rubber ring 8, so that the mounting and dismounting are convenient; the outside cover of the polished rod 103 of rubber circle 8 one side is equipped with spring 5, and the both ends of spring 5 respectively with awl section of thick bamboo 102, rubber circle 8 in close contact with, realize certain buffering effect of moving away to avoid possible earthquakes, alleviate the reaction force of knob 7 department.

The utility model discloses a theory of operation is: before the thread milling cutter is used, firstly, a rubber ring 8 and a knob 7 are sequentially sleeved at the tooth space 6 of a polished rod 103, then the knob 7 is screwed, the thread teeth 4 at the corresponding end of a spindle-shaped cone 102 are firmly screwed into the mounting hole of a cutter holder, and the middle part of one end of a cutter head 2 is provided with an internal thread matched with a stud 101, so that the cutter heads 2 with various specifications (external diameters) can be butted with the stud 101, the butt joint structure is simple and reliable, and the assembly efficiency of the thread milling cutter can be effectively improved;

in addition, in the assembling process, through densely distributing a circle of anti-skidding protrusions 3 on the outer side wall in the middle of the conical cylinder 102, and through sleeving the knob 7 at the tooth groove 6 of the polished rod 103, the clamping and the slipping during the screwing operation can be avoided, and through sleeving the spring 5 on the outer side of the polished rod 103 between the conical cylinder 102 and the rubber ring 8, when the knob 7 is rotationally pressed, a certain buffering and shock-absorbing effect can be realized, so that the reaction force of external vibration to the knob 7 is reduced, and the practicability is further improved.

The above-mentioned, only be the embodiment of the preferred of the present invention, nevertheless the utility model discloses a protection scope is not limited to this, and any technical personnel familiar with this technical field is in the technical scope of the utility model discloses an according to the utility model discloses a technical scheme and utility model design in addition the replacement of equality or change, all should be covered within the protection scope of the utility model.

Claims

1. The utility model provides a thread milling cutter convenient to butt joint, includes handle of a knife (1) and tool bit (2), its characterized in that, handle of a knife (1) includes double-screw bolt (101), a awl section of thick bamboo (102) and polished rod (103), and double-screw bolt (101), polished rod (103) integration respectively set up in the both ends of a awl section of thick bamboo (102), tool bit (2) have been cup jointed on the lateral wall of double-screw bolt (101), tooth's socket (6) have been seted up on the lateral wall of polished rod (103) one end, and have cup jointed knob (7) on the lateral wall of tooth's socket (6).

2. The thread milling cutter convenient to butt joint as claimed in claim 1, wherein the conical barrel (102) is spindle-shaped, anti-skid protrusions (3) are densely distributed on the outer side wall of the middle part of the conical barrel (102), and thread teeth (4) are oppositely arranged on the outer side walls of two ends of the conical barrel (102) respectively.

3. The thread milling cutter convenient for butt joint as claimed in claim 1, wherein the middle part of one end of the cutter head (2) is provided with an internal thread matched with the stud (101).

4. The thread milling cutter convenient to butt joint as claimed in claim 1, wherein a rubber ring (8) is axially bonded to one end of the knob (7), and grooves matched with the tooth grooves (6) are formed in the middle of the knob (7) and the middle of the rubber ring (8).

5. The thread milling cutter convenient for butt joint as claimed in claim 4, wherein the spring (5) is sleeved outside the polish rod (103) on one side of the rubber ring (8), and two ends of the spring (5) are respectively in close contact with the conical cylinder (102) and the rubber ring (8).