CN210996925U

CN210996925U - Concatenation formula thread milling cutter

Info

Publication number: CN210996925U
Application number: CN201921669360.5U
Authority: CN
Inventors: 刁冰青; 李明
Original assignee: Changzhou Ruisheng Cutting Technology Co ltd
Current assignee: Changzhou Ruisheng Cutting Technology Co ltd
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-07-14
Anticipated expiration: 2029-10-08

Abstract

The utility model discloses a concatenation formula thread milling cutter, including butt joint post, connection pivot, fastening screw, side direction fastening mouth, buckle groove, fixture block, head rod, anchor strut, connecting hole, second connecting rod, the solid fixed ring of milling cutter, fastening recess and thread milling cutter. The utility model has the advantages that: fastening screw is provided with six altogether, and every fastening screw uses the connection pivot centre of a circle as the center, and each other be 60 degrees contained angles and arrange, guarantee the fastening of being connected with external motor, the buckle groove is provided with threely altogether and each other is 120 degrees contained angles, and carry out indent run-through setting until the bottom panel from the lateral wall of docking post, and carry out fastening connection with the fixture block through the mode of interlock, it needs to consume a large amount of manpowers and time to prevent to change the head rod, thread milling cutter revolves the fastening block through the solid fixed ring's of milling cutter fastening recess and connects fixedly, prevent that unable quick effectual changes thread milling cutter when the milling cutter head damages.

Description

Concatenation formula thread milling cutter

Technical Field

The utility model relates to a milling cutter specifically is a concatenation formula thread milling cutter, belongs to milling cutter technical field.

Background

The milling cutter refers to a cutter with the length of the arc part being larger than 1/4 circles, in the process of die machining, the machining face of a part of a small workpiece is provided with a draft angle, a common R-angle cutter is long in blade length, the rigidity strength of the cutter is reduced, the strength and the rigidity of the cutter cannot meet requirements, the service life of the cutter is short, in order to enhance the strength and the rigidity of the cutter and enhance the service life of the cutter, a short-blade strong type milling cutter is designed for improving the rigidity and the strength and ensuring the precision of the die, the die is machined in place at one time, when the workpiece is subjected to hole machining, the hole is roughly machined, then the hole is finely machined, and finally the inlet end of the hole is chamfered, so that the machining method needs three tools, needs to clamp the tool for three times, the clamping time is long, and the; meanwhile, after three times of clamping, positioning errors exist, and the machining precision is reduced.

Therefore, a need exists for a splicing type thread milling cutter to meet the current market demand, although a plurality of splicing type thread milling cutters have been produced on the current market, in general, many common defects still exist, firstly, the thickness of the butt column of the existing splicing type thread milling cutter is not enough, so that the durability of the splicing type thread milling cutter is not enough, and the splicing type thread milling cutter is easy to damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a concatenation formula thread milling cutter just in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a spliced thread milling cutter comprises butt-joint columns, a connecting rotating shaft, fastening screws, lateral fastening ports, clamping grooves, clamping blocks, first connecting rods, reinforcing rods, connecting holes, second connecting rods, milling cutter fixing rings, fastening grooves and a thread milling cutter; the butt-joint column is fixedly connected above the clamping block and forms a main structure of the spliced thread milling cutter, the connecting rotating shaft is rotatably connected above the butt-joint column, the fastening screw is vertically and fixedly connected on the connecting rotating shaft, the lateral fastening port is positioned on the side wall of the butt-joint column, the clamping groove is concavely arranged on the side wall of the butt-joint column and the bottom panel, the clamping block is clamped and fixedly arranged in the clamping groove in an occlusion mode, the first connecting rod is welded on the clamping block, the reinforcing rod is fixedly connected at the bottom of the first connecting rod, the first connecting rod and the reinforcing rod are connected to form a uniform whole, the connecting hole is concavely arranged on the side wall of the reinforcing rod, the second connecting rod is fixedly connected between the reinforcing rod and the milling cutter fixing ring, and the milling cutter fixing ring is clamped on the bottom port of the second connecting rod, the fastening groove is arranged on the side wall of the milling cutter fixing ring in an inwards concave mode, and the thread milling cutter is clamped and arranged at the bottom of the milling cutter fixing ring.

Preferably, in order to prevent that this concatenation formula thread milling cutter's durability is not enough, causes the damage easily, the butt joint post is the cake form, and should butt joint the height of post for 8 centimetres, and its inside is the cavity setting to carry out welded connection through the pivot of its interior hollow department and the connecting shaft.

Preferably, in order to ensure the fastening of the connection with the external motor, six fastening screws are arranged, and each fastening screw is arranged by taking the circle center of the connecting rotating shaft as the center and forming an included angle of 60 degrees with each other.

Preferably, in order to prevent that it needs consume a large amount of manpowers and time when changing the head rod, the buckle groove is provided with three altogether and each other is 120 degrees contained angles to carry out indent through-type setting from the lateral wall of spliced pole until the bottom panel, and carry out fastening connection with the fixture block through the mode of interlock.

Preferably, in order to prevent that the milling cutter head from being damaged, the milling cutter head cannot be replaced quickly and effectively, the milling cutter head is fixedly connected through screwing the fastening block in the fastening groove of the milling cutter fixing ring, and the milling cutter fixing ring is rotatably connected and arranged at the bottom of the second connecting rod through screwing.

The utility model has the advantages that: the spliced thread milling cutter is reasonable in design, the butt joint column is in a round cake shape, the height of the butt joint column is 8 cm, the butt joint column is arranged in a hollow mode and is connected with a connecting rotating shaft in a welding mode through a rotating shaft in the hollow position of the butt joint column, the spliced thread milling cutter is prevented from being insufficient in durability and easily damaged, six fastening screws are arranged, each fastening screw is arranged by taking the center of the connecting rotating shaft as the center and forming an included angle of 60 degrees with each other, fastening connection with an external motor is guaranteed, three fastening grooves are arranged and form included angles of 120 degrees with each other, the side wall of the butt joint column is arranged in a penetrating mode until the bottom panel is arranged, the fastening connection with a fastening block is achieved in an inwards concave mode, a large amount of manpower and time are prevented from being consumed when the first connecting rod is replaced, the thread milling cutter is fixedly connected through fastening blocks in fastening grooves of a milling cutter fixing ring, and the fixed ring of milling cutter is connected through the screw-thread turning rotary type and is set up in the bottom of second connecting rod, prevents that unable quick effectual change thread milling cutter from when the milling cutter tool bit damages.

Drawings

FIG. 1 is a schematic side view of the southeast axle of the present invention;

FIG. 2 is a schematic view of the northwest axis of the present invention;

fig. 3 is a top schematic view of the present invention.

In the figure: 1. butt joint post, 2, connecting shaft, 3, fastening screw, 4, side direction fastening mouth, 5, buckle groove, 6, fixture block, 7, head rod, 8, anchor strut, 9, connecting hole, 10, second connecting rod, 11, milling cutter solid fixed ring, 12, fastening recess and 13, thread milling cutter.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, a splicing type thread milling cutter includes a butt-joint post 1, a connecting shaft 2, a fastening screw 3, a lateral fastening opening 4, a fastening groove 5, a fastening block 6, a first connecting rod 7, a reinforcing rod 8, a connecting hole 9, a second connecting rod 10, a milling cutter fixing ring 11, a fastening groove 12 and a thread milling cutter 13; the butt-joint column 1 is fixedly connected above the clamping block 6, the butt-joint column 1 forms a main structure of the spliced thread milling cutter, the connecting rotating shaft 2 is rotatably connected above the butt-joint column 1, the fastening screw 3 is vertically and fixedly connected and arranged on the connecting rotating shaft 2, the lateral fastening port 4 is positioned on the side wall of the butt-joint column 1, the buckling groove 5 is concavely arranged on the side wall and the bottom panel of the butt-joint column 1, the clamping block 6 is fixedly arranged in the buckling groove 5 in an occluding manner, the first connecting rod 7 is welded and connected on the clamping block 6, the reinforcing rod 8 is fixedly connected and arranged at the bottom of the first connecting rod 7, the first connecting rod 7 and the reinforcing rod 8 are connected to form a uniform whole, the connecting hole 9 is concavely arranged on the side wall of the reinforcing rod 8, and the second connecting rod 10 is fixedly connected between the reinforcing rod 8 and the milling cutter fixing ring 11, the fixed ring 11 of milling cutter is tightly clamped and arranged on the bottom port of the second connecting rod 10, the fastening groove 12 is arranged on the side wall of the fixed ring 11 of milling cutter in a concave manner, and the thread milling cutter 13 is tightly clamped and arranged at the bottom of the fixed ring 11 of milling cutter.

The butt joint column 1 is in a round cake shape, the butt joint column 1 is 8 cm in height and is hollow, the butt joint column is connected with the connecting rotating shaft 2 through the rotating shaft in the hollow part of the butt joint column in a welding mode, the splicing type thread milling cutter is prevented from being insufficient in durability and easy to damage, six fastening screws 3 are arranged, each fastening screw 3 is arranged by taking the circle center of the connecting rotating shaft 2 as the center and forming an included angle of 60 degrees with each other, fastening connection with an external motor is guaranteed, three fastening grooves 5 are arranged and form included angles of 120 degrees with each other, the fastening grooves are arranged in an inwards concave penetrating mode from the side wall of the butt joint column 1 to the bottom panel and are fixedly connected with the fastening blocks 6 in an occlusion mode, a large amount of manpower and time are prevented from being consumed when the first connecting rod 7 is replaced, and the thread milling cutter 13 is fixedly connected through screwing fastening blocks in the fastening grooves 11 of the milling cutter fixing ring 12, and the milling cutter fixing ring 12 is rotatably connected to the bottom of the second connecting rod 10 by screwing, so that the situation that the thread milling cutter cannot be replaced quickly and effectively when the milling cutter head is damaged is prevented.

The working principle is as follows: when using this concatenation formula thread milling cutter, will earlier thread milling cutter 13 connect fixedly through the interior fastening block of twisting of the fastening recess 11 of the solid fixed ring 12 of milling cutter to twist solid fixed ring 12 of milling cutter through the screw thread and twist the bottom of the rotary type connection setting at second connecting rod 10, prevent that unable quick effectual change thread milling cutter when the milling cutter tool bit damages, then with the fixed setting of 6 interlock formulas of fixture block in buckle groove 5, will connect pivot 2 again through fastening screw 3 with external motor pivot twist the fastening connection can.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a concatenation formula thread milling cutter which characterized in that: the clamping device comprises butt-jointed columns (1), a connecting rotating shaft (2), a fastening screw (3), a lateral fastening opening (4), a clamping groove (5), a clamping block (6), a first connecting rod (7), a reinforcing rod (8), a connecting hole (9), a second connecting rod (10), a milling cutter fixing ring (11), a fastening groove (12) and a thread milling cutter (13); the butt joint column (1) is fixedly connected above the clamping block (6), the butt joint column (1) forms a main body structure of the spliced thread milling cutter, the connecting rotating shaft (2) is rotatably connected above the butt joint column (1), the fastening screw (3) is vertically connected and fastened on the connecting rotating shaft (2), the lateral fastening port (4) is positioned on the side wall of the butt joint column (1), the clamping groove (5) is arranged on the side wall and the bottom panel of the butt joint column (1) in an inwards concave manner, the clamping block (6) is fixedly arranged in the clamping groove (5) in an occluded manner, the first connecting rod (7) is welded on the clamping block (6), the reinforcing rod (8) is fixedly connected at the bottom of the first connecting rod (7), and the first connecting rod (7) and the reinforcing rod (8) are connected to form a unified whole, connecting hole (9) are the indent formula and set up on the lateral wall of anchor strut (8), second connecting rod (10) fixed connection is between anchor strut (8) and the solid fixed ring of milling cutter (11), the solid fixed ring of milling cutter (11) chucking sets up on the bottom port of second connecting rod (10), fastening recess (12) are the indent formula and set up on the lateral wall of the solid fixed ring of milling cutter (11), thread milling cutter (13) chucking sets up the bottom at the solid fixed ring of milling cutter (11).

2. A split thread milling cutter according to claim 1, wherein: the butt joint column (1) is in a round cake shape, the height of the butt joint column (1) is 8 cm, the butt joint column is arranged in a hollow mode, and the butt joint column is connected with the connecting rotating shaft (2) in a welding mode through a rotating shaft in the hollow position of the butt joint column.

3. A split thread milling cutter according to claim 1, wherein: six fastening screws (3) are arranged, and each fastening screw (3) is arranged by taking the circle center of the connecting rotating shaft (2) as the center and forming an included angle of 60 degrees with each other.

4. A split thread milling cutter according to claim 1, wherein: the clamping grooves (5) are three and mutually form an included angle of 120 degrees, and are arranged from the side wall of the butt joint column (1) to the bottom panel in an inwards concave penetrating mode, and are fixedly connected with the clamping blocks (6) in an engaged mode.

5. A split thread milling cutter according to claim 1, wherein: the thread milling cutter (13) is fixedly connected through a screwing fastening block in a fastening groove (12) of the milling cutter fixing ring (11), and the milling cutter fixing ring (11) is rotatably connected and arranged at the bottom of the second connecting rod (10) through thread screwing.