CN215200009U

CN215200009U - Thread milling cutter with anti-seismic performance

Info

Publication number: CN215200009U
Application number: CN202121397974.XU
Authority: CN
Inventors: 戴少杰; 戴志伟; 恽建琴
Original assignee: Changzhou Zhiwei Tools Co ltd
Current assignee: Changzhou Zhiwei Tools Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2021-12-17
Anticipated expiration: 2031-06-22

Abstract

The utility model relates to a technical milling cutter field, and a thread milling cutter with anti-seismic performance is disclosed, including the connecting rod, the inside threaded connection of connecting rod has the connector, the inside threaded connection of connecting rod has the working head, when rotating the working head to the inside of connecting rod, the inside fixture block of mounting groove returns the inside of going back into the mounting groove, when the position of rotating working head to mounting groove is opposite to the position in spacing hole, spring-backed and drive the fixture block outwards pop out to the inside that the spacing hole was advanced to the card to the mounting groove, when the inserted block stretches into solid fixed ring's inside, gu fixed ring inside have elastic elasticity to support clamp and cushion and produce deformation and pop out to the outer wall of inserted block to the outer wall that supports the inserted block under the extrusion of inserted block of self, thereby utilize two fixture blocks and have elastic elasticity to support clamp and cushion to fix once more the working head from three direction and compress tightly and can appear becoming flexible and produce the outer wall of vibrations when avoiding connecting rod and working head to utilize threaded connection together And (5) problems are solved.

Description

Thread milling cutter with anti-seismic performance

Technical Field

The utility model relates to a milling cutter technical field specifically is a thread milling cutter with anti-seismic performance.

Background

The traditional thread processing method mainly adopts a threading tool to turn threads or adopts a screw tap and a die to manually tap and sleeve and buckle. With the development of numerical control processing technology, particularly the appearance of a three-axis linkage numerical control processing system, a more advanced thread processing mode, namely the numerical control milling of threads, is realized, and the problem that fingers are scratched by a common milling cutter can occur during manual installation.

According to the chinese patent publication (publication No. CN 207592967U), a hollow thread milling cutter includes a first connector, a connecting rod, a working head, a spiral groove, a cutting edge, a rotating handle, a second connector, a first connecting hole, a thread, a center hole, and a second connecting hole. The utility model has the advantages that: through set up the centre bore in the centre of connecting rod, not only can save the processing material and can also improve the intensity of connecting rod. The first connecting head can be replaced at any time according to the size of the opening of the clamp, the whole milling cutter does not need to be replaced, the number of thread milling cutters purchased by a manufacturer is reduced, the production cost is reduced, meanwhile, due to the fact that the working head and the connecting rod are movably connected, workers can replace different working heads to tap holes with different sizes according to actual conditions, the workers can conveniently install the working heads through rotating the handles, and meanwhile, when the workers are prevented from installing the working heads, fingers are scratched.

However, the first connecting head, the connecting rod and the working head are all in threaded connection, and in the process of tapping by using the milling cutter, when the milling cutter rotates for a long time, the threaded connection part between the working head and the connecting rod may loosen to some extent, so that the working head may vibrate to affect the processing.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a thread milling cutter with anti-seismic performance has solved above-mentioned problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a thread milling cutter with anti-seismic performance, including the connecting rod, the inside threaded connection of connecting rod has the connector, the inside threaded connection of connecting rod has the working head, the inside fixed mounting of connecting rod has solid fixed ring, gu fixed ring's outer wall has seted up two spacing holes, the outer wall fixed mounting of working head has the inserted block, two recesses have been seted up to the position that the outer wall of inserted block corresponds spacing hole, the inside fixed mounting of recess has the fixed block, the mounting groove has been seted up to the outer wall of fixed block, the inside fixed mounting of recess has the spring, the inside movable mounting of mounting groove has the fixture block that can be in the same place with spacing hole joint, the fixture block is formed by the welding of a cylindrical piece and a hemisphere piece.

Preferably, the outer wall of the clamping block is fixedly connected with one end of the spring, and the inner wall of the mounting groove is fixedly provided with a limiting ring.

Preferably, the fixing ring is fixedly provided with an elastic abutting clamp with elasticity inside, the elastic abutting clamp is of a U-shaped structure, the outer wall of the elastic abutting clamp is fixedly provided with an elastic cushion with elasticity, and the elastic cushion is of a hemispherical structure.

Preferably, two pressing pads are fixedly installed between the two fixing blocks, and the inner walls of the pressing pads are fixedly connected with the outer walls of the inserting blocks.

Preferably, the inner wall of the connecting rod is provided with two through holes with internal threads corresponding to the position of the limiting hole, and the internal threads of the through holes are connected with bolts.

(III) advantageous effects

Compared with the prior art, the utility model provides a thread milling cutter with anti-seismic performance possesses following beneficial effect:

1. the thread milling cutter with the anti-seismic performance is characterized in that the connecting rod, the working head and the connecting head are connected with each other by rotating the connecting rod, the connecting head and the connecting head, a clamping block which can be clamped with the limiting hole is movably arranged in the mounting groove, when the working head is rotated towards the inside of the connecting rod, the clamping block in the mounting groove is retracted into the inside of the mounting groove under the extrusion of the inner wall of the connecting rod, the spring is compressed, the working head is continuously rotated until the inserting block extends into the fixing ring, the clamping block is extruded by the inner wall of the fixing ring at the moment, the clamping block is still retracted into the inside of the mounting groove, when the working head is rotated until the position of the mounting groove is opposite to the position of the limiting hole, the clamping block is not extruded by the inner wall of the fixing ring at the moment, the spring rebounds and drives the clamping block to be ejected outwards to the inside of the limiting hole to the mounting groove, at the moment, the connecting rod is in threaded connection with the working head, and the two clamping blocks are also clamped into the inside of the limiting hole, meanwhile, when the insert block extends into the fixing ring, the fixing ring is internally provided with an elastic abutting clamp and an elastic cushion which are deformed under the extrusion of the insert block and are popped out to the outer wall of the insert block under the elasticity of the elastic abutting clamp and the elastic cushion, the insert block is subjected to the outward acting force of the elastic abutting clamp and the elastic cushion, and the elastic cushion made of rubber can play a certain anti-skidding role, so that the two clamping blocks and the elastic abutting clamp and the elastic cushion which are provided with the elasticity are used for fixing the working head again from three directions and compressing the working head to avoid the problem that the connecting rod and the working head are loosened to generate vibration when being connected together by threads.

2. This thread milling cutter with anti-seismic performance through fixed mounting has two pressfitting pads between two fixed blocks, and when the inserted block stretched into solid fixed ring's inside, two fixture block cards entered the inside in spacing hole, two pressfitting pads of fixed block outer wall can with the inner wall pressfitting each other of connecting rod simultaneously, the pressfitting pad is for having elastic rubber material simultaneously to utilize the pressfitting pad to play certain anti-skidding effect when the inserted block card advances solid fixed ring's inside.

3. This thread milling cutter with anti-seismic performance has the bolt through the inside threaded connection at the thru hole, when the fixture block that advances spacing downthehole portion is dismantled to the card to needs, two rotatory bolts, the bolt can extend to the inside in spacing hole always, and the bolt can extrude the card to advance the fixture block of spacing downthehole portion at the in-process that extends to the connecting rod is inside, and the fixture block breaks away from the inside in spacing hole under the extrusion of bolt to be convenient for dismantle the fixture block.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic view of a half-section three-dimensional split in the embodiment of the present application;

FIG. 3 is a partial schematic view of A in FIG. 2;

FIG. 4 is a schematic partial perspective exploded view of the present embodiment;

FIG. 5 is a partial schematic view of B in FIG. 2;

fig. 6 is a schematic perspective view of the second embodiment of the present invention.

In the figure: 1. a connecting rod; 2. a working head; 3. a connector; 4. a fixing ring; 5. a limiting hole; 6. inserting a block; 7. a groove; 8. a fixed block; 9. mounting grooves; 10. a limiting ring; 11. a spring; 12. a clamping block; 13. elastic butting clamp; 14. an elastic pad; 15. through holes; 16. a bolt; 17. and pressing the pad.

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.

The first embodiment is as follows: referring to fig. 1-4, a thread milling cutter with shock resistance comprises a connecting rod 1, wherein the connecting rod 1 is a cylindrical hollow structure, an internal thread is formed on an inner circular wall surface of the connecting rod 1, a connecting head 3 is connected to an internal thread of the connecting rod 1, an external thread is formed on an outer circular wall surface of the connecting head 3, a working head 2 is connected to the internal thread of the connecting rod 1, an external thread is formed on an outer circular wall surface of the working head 2, a fixing ring 4 is fixedly mounted inside the connecting rod 1, circular grooves are formed in the front side wall surface and the rear side wall surface of the fixing ring 4, the internal diameter of the circular groove in the front side is half of the internal diameter of the circular groove in the rear side, the two circular grooves are communicated with each other, two limiting holes 5 are formed in the outer wall of the fixing ring 4, the limiting holes 5 are circular through holes, an insert block 6 is fixedly mounted on the outer wall of the working head 2, and the insert block 6 is formed by welding two cylindrical blocks, the outer wall of the insert block 6 is provided with two grooves 7 corresponding to the position of the limiting hole 5, the grooves 7 are arc-shaped grooves, the inner part of each groove 7 is fixedly provided with a fixed block 8, the fixed block 8 is an arc-shaped block, the outer wall of the fixed block 8 is provided with a mounting groove 9, the mounting groove 9 is a circular through hole, the inner part of each groove 7 is fixedly provided with a spring 11, the spring 11 extends into the mounting groove 9, the inner part of the mounting groove 9 is movably provided with a clamping block 12 which can be clamped with the limiting hole 5, the clamping block 12 is formed by welding a cylindrical block and a hemisphere, the outer wall of the clamping block 12 is fixedly connected with one end of the spring 11, the inner wall of the mounting groove 9 is fixedly provided with a limiting ring 10, the limiting ring 10 is of a circular structure, the limiting ring 10 is positioned at one side of the inner wall of the mounting groove 9, which is far away from the insert block 6, the limiting ring 10 can play a certain limiting role on the clamping block 12, and the inner part of the fixing ring 4 is fixedly provided with an elastic abutting clamp 13, the elastic clamp 13 is of a U-shaped structure, an elastic cushion 14 with elasticity is fixedly installed on the outer wall of the elastic clamp 13, the elastic cushion 14 is of a hemispherical structure, the elastic cushion 14 is made of elastic rubber materials, and the elastic cushion 14 can be mutually pressed with the outer wall of the insertion block 6.

The working principle is as follows: the connecting rod 1, the working head 2 and the connector 3 are rotated to be connected with each other, a clamping block 12 which can be clamped with the limiting hole 5 is movably installed in the installation groove 9, when the working head 2 is rotated towards the inside of the connecting rod 1, the clamping block 12 in the installation groove 9 retracts into the inside of the installation groove 9 under the extrusion of the inner wall of the connecting rod 1, the spring 11 is compressed, the working head 2 is continuously rotated until the inserting block 6 extends into the fixing ring 4, at the moment, the clamping block 12 is extruded by the inner wall of the fixing ring 4, the clamping block 12 is still retracted in the installation groove 9, when the position of the working head 2 which is rotated to the installation groove 9 is opposite to the position of the limiting hole 5, the clamping block 12 is not extruded by the inner wall of the fixing ring 4, the spring 11 rebounds and drives the clamping block 12 to pop out of the installation groove 9 to the inside of the limiting hole 5, at the moment, the connecting rod 1 is connected with the working head 2 through threads, the two clamping blocks 12 are also clamped in the limiting hole 5, meanwhile, when the insert block 6 extends into the fixing ring 4, the fixing ring 4 is internally provided with the elastic abutting clamp 13 and the elastic pad 14 which are deformed under the extrusion of the insert block 6 and are popped out to the outer wall of the insert block 6 under the elasticity of the elastic abutting clamp 13 and the elastic pad 14 to abut against the outer wall of the insert block 6, the insert block 6 is subjected to the outward acting force of the elastic abutting clamp 13 and the elastic pad 14, and the elastic pad 14 made of rubber can play a certain anti-skidding role, so that the two clamping blocks 12, the elastic abutting clamp 13 and the elastic pad 14 are utilized to fix the working head 2 again from three directions and compress the working head 2 to avoid the problem that the connecting rod 1 and the working head 2 are loosened to generate vibration when being connected together by threads.

Example two: on the basis of the first embodiment, as shown in fig. 6, two press-fit pads 17 are fixedly installed between the two fixing blocks 8, the press-fit pads 17 are of an arc-shaped structure, the press-fit pads 17 are made of elastic rubber materials, the inner walls of the press-fit pads 17 are fixedly connected with the outer walls of the insertion blocks 6, and the press-fit pads 17 can be mutually pressed with the inner walls of the connecting rods 1.

The working principle is as follows: through fixed mounting have two pressfitting pads 17 between two fixed blocks 8, when the inserted block 6 stretched into the inside of solid fixed ring 4, two fixture block 12 cards entered the inside of spacing hole 5, two pressfitting pads 17 of 8 outer walls of fixed block can with the inner wall pressfitting each other of connecting rod 1 simultaneously, pressfitting pad 17 is for having elastic rubber material simultaneously to utilize pressfitting pad 17 to play certain antiskid when the inserted block 6 card advances solid fixed ring 4's inside.

Example three: on the basis of the first embodiment, as shown in fig. 5, two through holes 15 with internal threads are formed in the inner wall of the connecting rod 1 corresponding to the position of the limiting hole 5, a bolt 16 is connected to the internal threads of the through holes 15, the bolt 16 can extend into the limiting hole 5, and the bolt 16 and the latch 12 can be pressed against each other.

The working principle is as follows: there is bolt 16 through the internal thread connection at thru hole 15, when the inside fixture block 12 of the spacing hole 5 of card income needs to be dismantled, two rotatory bolts 16, bolt 16 can extend to the inside of spacing hole 5 always, and bolt 16 can extrude the fixture block 12 of the spacing hole 5 inside of card income to the inside in-process that extends of connecting rod 1, and fixture block 12 breaks away from the inside of spacing hole 5 under bolt 16's extrusion to be convenient for dismantle fixture block 12.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a thread milling cutter with anti-seismic performance, includes connecting rod (1), the internal thread connection of connecting rod (1) has connector (3), and the internal thread connection of connecting rod (1) has working head (2), its characterized in that: the utility model discloses a connecting rod, including connecting rod (1), the inside fixed mounting of connecting rod has solid fixed ring (4), two spacing holes (5) have been seted up to the outer wall of solid fixed ring (4), the outer wall fixed mounting of working head (2) has inserted block (6), two recess (7) have been seted up to the position that the outer wall of inserted block (6) corresponds spacing hole (5), the inside fixed mounting of recess (7) has fixed block (8), mounting groove (9) have been seted up to the outer wall of fixed block (8), the inside fixed mounting of recess (7) has spring (11), the inside movable mounting of mounting groove (9) has fixture block (12) that can be in the same place with spacing hole (5) joint, fixture block (12) are formed by the welding of a cylindrical block and a hemisphere shape block.

2. A thread milling cutter with shock resistance according to claim 1, wherein: the outer wall of the clamping block (12) is fixedly connected with one end of the spring (11), and the inner wall of the mounting groove (9) is fixedly provided with a limiting ring (10).

3. A thread milling cutter with shock resistance according to claim 1, wherein: the elastic abutting clamp (13) with elasticity is fixedly installed inside the fixing ring (4), the elastic abutting clamp (13) is of a U-shaped structure, the elastic cushion (14) with elasticity is fixedly installed on the outer wall of the elastic abutting clamp (13), and the elastic cushion (14) is of a hemispherical structure.

4. A thread milling cutter with shock resistance according to claim 1, wherein: two pressing pads (17) are fixedly installed between the two fixing blocks (8), and the inner walls of the pressing pads (17) are fixedly connected with the outer walls of the inserting blocks (6).

5. A thread milling cutter with shock resistance according to claim 1, wherein: two through holes (15) with internal threads are formed in the inner wall of the connecting rod (1) corresponding to the position of the limiting hole (5), and bolts (16) are connected to the internal threads of the through holes (15).