CN213729811U

CN213729811U - Thread milling cutter suitable for processing various threads

Info

Publication number: CN213729811U
Application number: CN202022665659.2U
Authority: CN
Inventors: 陈煜�; 何佳; 彭诚
Original assignee: Wuxi Shihong Tools Co ltd
Current assignee: Wuxi Shihong Tools Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-07-20
Anticipated expiration: 2030-11-18

Abstract

The utility model discloses a be suitable for multiple thread machining's thread milling cutter, including the handle of a knife, the internal rotation of handle of a knife is connected with the pivot, fixed mounting has the installation piece in the pivot, equidistance fixed mounting has four threaded sleeve on the outer wall of installation piece, threaded sleeve's internal thread is connected with the thread milling cutter body, one side fixed mounting of handle of a knife has first installation shell, the pivot extends to the inside one end fixedly connected with driven gear of first installation shell, the internal rotation of first installation shell is connected with the bull stick, fixed mounting has the driving gear on the bull stick, the driving gear is connected with the driven gear meshing, the internal rotation of first installation shell is connected with two-way lead screw. The utility model relates to a milling cutter technical field, simple structure, convenient operation can be suitable for the processing of multiple screw thread, has improved machining efficiency, is favorable to user of service's use.

Description

Thread milling cutter suitable for processing various threads

Technical Field

The utility model relates to a milling cutter technical field especially relates to a be suitable for multiple thread machining's thread milling cutter.

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 thread, and along 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 and the numerical control milling of the threads are realized. Thread milling cutter passes through the bolt fastening simultaneously usually and rotates along with the handle of a knife on the handle of a knife, and then processes the work piece, nevertheless because current handle of a knife only is furnished with a thread milling cutter, consequently need change different thread milling cutter when processing different screw threads, just can process different screw threads, and the suitability is poor.

The prior patent (publication number: CN209424700U) provides a thread milling cutter suitable for processing various threads, which has the advantage of being suitable for the processing requirements of different threads, and solves the problems that the prior cutter handle is only provided with one thread milling cutter, so that different threads can be processed by replacing different thread milling cutters when different threads are processed, and the applicability is poor.

However, the apparatus still has the following problems: the fixing effect of the thread milling pin cutter is poor, so that the milling cutter can be subjected to position deviation in the machining process, the machining precision is reduced, the use of a user is not facilitated, and therefore the thread milling cutter suitable for machining various threads is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem existing in the prior art, and the screw thread milling cutter who provides is suitable for multiple screw thread processing.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a thread milling cutter suitable for machining various threads comprises a cutter handle, wherein a rotating shaft is rotatably connected inside the cutter handle, a mounting block is fixedly mounted on the rotating shaft, four thread sleeves are fixedly mounted on the outer wall of the mounting block at equal intervals, a thread milling cutter body is in threaded connection with the inside of each thread sleeve, a first mounting shell is fixedly mounted on one side of the cutter handle, a driven gear is fixedly connected to one end, extending to the inside of the first mounting shell, of the rotating shaft, a rotating rod is rotatably connected inside the first mounting shell, a driving gear is fixedly mounted on the rotating rod and meshed with the driven gear, a bidirectional lead screw is rotatably connected inside the first mounting shell, two nuts are in threaded connection with the bidirectional lead screw, a guide rod is fixedly mounted on one side of each nut, and a guide groove for the guide rod to slide is formed in the side wall of the first mounting shell, one side fixed mounting that the guide bar was kept away from to the screw has spacing rack, spacing rack is connected with the driven gear meshing, two-way lead screw extends to the outside first rotation hand wheel of one end fixedly connected with of first installation shell.

Preferably, the rotating rod extends to the outside one end fixedly connected with second rotation hand wheel of first installation shell, integrated into one piece has anti-skidding line on the second rotation hand wheel.

Preferably, a plurality of balls are rotatably connected to one side of the guide rod extending to the inside of the guide groove, and the balls are in interference with the inner bottom wall of the guide groove.

Preferably, fixed mounting has the second installation shell on the outer wall of first installation shell, the inside sliding connection of second installation shell has the round pin piece, the first one side of rotating the hand wheel and being close to first installation shell has seted up and has supplied round pin piece male opening, one side fixedly connected with driving lever of round pin piece, the gliding spout of confession driving lever has been seted up to one side of second installation shell, the one end of driving lever passes the spout and extends to the outside of second installation shell, the bottom fixed mounting of round pin piece has supporting spring, supporting spring's the other end and the interior diapire fixed connection of second installation shell.

Preferably, the inner wall of the opening is fixedly provided with a non-slip mat, and the non-slip mat is made of rubber.

Preferably, the number of the thread milling cutter bodies is four, and different external threads are formed on the four thread milling cutter bodies.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the position of the thread milling cutter body can be adjusted by using the matching of the rotating shaft, the mounting block, the threaded sleeve, the thread milling cutter body, the first mounting shell, the driven gear, the rotating rod, the driving gear and the second rotating hand wheel, so that the effect of using various threads to process is achieved, the structure is simple, the operation is convenient, and the use of users is facilitated.

2. Through two-way lead screw, the screw, spacing rack, the guide bar, the cooperation of guide way and first rotation hand wheel is used and is convenient for fix driven gear's rotation, thereby realize the locking of countershaft pivoted, make the fixed more stable after the regulation of thread milling cutter body, through first rotation hand wheel, the second installation shell, the round pin piece, driving lever and supporting spring's cooperation is used and is convenient for fix the rotation of two-way lead screw, thereby realize locking spacing rack removal, the stability of thread milling cutter body after adjusting the completion is further improved, moreover, the steam generator is simple in structure, high durability and convenient operation, it is relatively poor to have solved the fixed effect to the thread milling cutter body, lead to the in-process thread milling cutter body at processing probably to take place the offset, thereby the problem of machining precision has been reduced, be favorable to user's use.

Drawings

Fig. 1 is a schematic structural view of a main body of a thread milling cutter suitable for machining various threads according to the present invention;

fig. 2 is a schematic side view of a thread milling cutter suitable for various thread processing according to the present invention;

fig. 3 is a schematic side sectional view of a thread milling cutter suitable for various thread processing according to the present invention;

fig. 4 is a schematic side sectional view of a thread milling cutter suitable for various thread processing according to the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 3;

fig. 6 is an enlarged view of the structure at B in fig. 3.

In the figure: 1. a knife handle; 2. a rotating shaft; 3. mounting blocks; 4. a threaded sleeve; 5. a thread milling cutter body; 6. a first mounting case; 7. a driven gear; 8. a rotating rod; 9. a driving gear; 10. a bidirectional screw rod; 11. a nut; 12. a limit rack; 13. a guide bar; 14. a guide groove; 15. a ball bearing; 16. a first rotating hand wheel; 17. a second mounting case; 18. a pin block; 19. a deflector rod; 20. a support spring; 21. a second rotating hand wheel.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-6, a thread milling cutter suitable for processing various threads comprises a handle 1, a rotating shaft 2 is rotatably connected inside the handle 1, a mounting block 3 is fixedly mounted on the rotating shaft 2, four thread sleeves 4 are fixedly mounted on the outer wall of the mounting block 3 at equal intervals, thread milling cutter bodies 5 are connected inside the thread sleeves 4 in a threaded manner, the four thread milling cutter bodies 5 have different models and sizes, and can realize various thread milling operations, a first mounting shell 6 is fixedly mounted on one side of the handle 1, a driven gear 7 is fixedly connected to one end of the rotating shaft 2 extending into the first mounting shell 6, a rotating rod 8 is rotatably connected inside the first mounting shell 6, a driving gear 9 is fixedly mounted on the rotating rod 8, the driving gear 9 is meshed with the driven gear 7, a bidirectional lead screw 10 is rotatably connected inside the first mounting shell 6, and two nuts 11 are connected on the bidirectional lead screw 10 in a threaded manner, one side fixed mounting of screw 11 has guide bar 13, has seted up on the lateral wall of first installation shell 6 and has supplied the gliding guide way 14 of guide bar 13, and one side fixed mounting that guide bar 13 was kept away from to screw 11 has spacing rack 12, and spacing rack 12 is connected with driven gear 7 meshing, and two-way lead screw 10 extends to the outside one end fixedly connected with first rotation hand wheel 16 of first installation shell 6.

Wherein, bull stick 8 extends to the outside one end fixedly connected with second rotation hand wheel 21 of first installation shell 6, and integrated into one piece has anti-skidding line on the second rotation hand wheel 21, rotates the point of application of force that the hand wheel 21 has increased bull stick 8 through the second, makes the rotation of bull stick 8 more convenient.

Wherein, the one side of extension to guide way 14 inside of guide bar 13 is rotated and is connected with a plurality of balls 15, and ball 15 is contradicted with the inner bottom wall of guide way 14 each other, changes guide bar 13 and guide way 14's sliding friction into rolling friction through ball 15, has reduced frictional force, makes guide bar 13's slip more smooth.

Wherein, a second mounting shell 17 is fixedly mounted on the outer wall of the first mounting shell 6, a pin block 18 is slidably connected inside the second mounting shell 17, an opening for inserting the pin block 18 is formed in one side of the first rotating hand wheel 16 close to the first mounting shell 6, a shift lever 19 is fixedly connected to one side of the pin block 18, a sliding opening for sliding the shift lever 19 is formed in one side of the second mounting shell 17, one end of the shift lever 19 passes through the sliding opening and extends to the outside of the second mounting shell 17, a supporting spring 20 is fixedly mounted at the bottom of the pin block 18, the other end of the supporting spring 20 is fixedly connected with the inner bottom wall of the second mounting shell 17, the pin block 18 can be pushed to move upwards by the elastic force of the supporting spring 20, so that the pin block 18 is inserted into the opening to fix the rotation of the first rotating hand wheel 16, thereby realizing the locking of the rotation of the bidirectional screw 10, improving the stability of the fixation, the pin block 18 can move downwards by pulling the shift lever 19, the pin block 18 is separated from the inside of the opening, so that the first rotating hand wheel 16 is convenient to rotate, and the structure is simple and the operation is convenient.

Wherein, fixed mounting has the slipmat on the open-ended inner wall, and the slipmat is the rubber material, has increased the frictional force between opening and the round pin piece 18 through the slipmat, makes round pin piece 18 more stable with the grafting of open-ended.

Wherein, the quantity of thread milling cutter body 5 is four, has all seted up different external screw threads on four thread milling cutter bodies 5, through the applicable multiple thread processing of 5 thread milling cutter bodies of difference, is favorable to user of service.

The working principle is as follows: in the utility model, when different threads are required to be processed, firstly, the deflector rod 19 is pulled to move downwards to separate the pin block 18 from the opening, the first rotating hand wheel 16 is enabled to be in a rotatable state, the first rotating hand wheel 16 is rotated, the bidirectional screw rod 10 is driven to rotate through the first rotating hand wheel 16, the screw 11 is limited to rotate through the matching of the guide rod 13 and the guide groove 14, the two guide rods 13 move back and back, the two limit racks 12 are driven to move back and back through the guide rod 13, the meshing between the limit racks 12 and the driven gear 7 is enabled to be in a separated state, then the second rotating hand wheel 21 is rotated, the rotating rod 8 is driven to rotate through the second rotating hand wheel 21, the driving gear 9 is driven to rotate through the rotating rod 8, the rotation of the driven gear 7 is realized through the meshing between the driving gear 9 and the driven gear 7, the rotating shaft 2 is rotated through the driven gear 7, the mounting block 3 is rotated through the rotating shaft 2, make threaded sleeve 4 rotate through installation piece 3, the regulation of threaded milling cutter body 5 is realized to rotation through threaded sleeve 4, the first rotatory hand wheel 16 of contrarotation makes two-way lead screw 10 rotate after the regulation is accomplished, make two screw 11 relative movements, make two spacing racks 12 mesh with driven gear 7 once more, rotation through spacing rack 12 to driven gear 7 is locked, the stability of threaded milling cutter body 5 when using has been improved, it is relatively poor to have solved fixed effect, lead to the in-process milling cutter at processing probably to take place the offset, thereby the machining precision has been reduced, be unfavorable for user's use problem.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The thread milling cutter suitable for machining of multiple threads comprises a cutter handle (1) and is characterized in that a rotating shaft (2) is connected to the interior of the cutter handle (1) in a rotating mode, a mounting block (3) is fixedly mounted on the rotating shaft (2), four thread sleeves (4) are fixedly mounted on the outer wall of the mounting block (3) at equal intervals, a thread milling cutter body (5) is connected to the interior of each thread sleeve (4) in a threaded mode, a first mounting shell (6) is fixedly mounted on one side of the cutter handle (1), a driven gear (7) is fixedly connected to one end, extending to the interior of the first mounting shell (6), of each rotating shaft (2), a rotating rod (8) is connected to the interior of each first mounting shell (6) in a rotating mode, a driving gear (9) is fixedly mounted on each rotating rod (8), and the driving gear (9) is meshed with the driven gear (7), the inside of first installation shell (6) is rotated and is connected with two-way lead screw (10), threaded connection has two screw (11) on two-way lead screw (10), one side fixed mounting of screw (11) has guide bar (13), set up on the lateral wall of first installation shell (6) and supply guide bar (13) gliding guide way (14), one side fixed mounting that guide bar (13) were kept away from in screw (11) has spacing rack (12), spacing rack (12) are connected with driven gear (7) meshing, two-way lead screw (10) extend to the first rotation hand wheel (16) of the outside one end fixedly connected with of first installation shell (6).

2. The thread milling tool suitable for various thread processing as claimed in claim 1, wherein a second rotating hand wheel (21) is fixedly connected to one end of the rotating rod (8) extending to the outside of the first mounting shell (6), and anti-skid lines are integrally formed on the second rotating hand wheel (21).

3. A thread milling tool for multiple thread machining according to claim 1, characterized in that a plurality of balls (15) are rotatably connected to the side of the guide rod (13) extending into the guide groove (14), and the balls (15) interfere with the inner bottom wall of the guide groove (14).

4. A thread milling tool for multiple thread machining according to claim 1, a second mounting shell (17) is fixedly mounted on the outer wall of the first mounting shell (6), a pin block (18) is connected inside the second mounting shell (17) in a sliding manner, an opening for inserting the pin block (18) is formed in one side of the first rotating hand wheel (16) close to the first mounting shell (6), one side of the pin block (18) is fixedly connected with a deflector rod (19), one side of the second mounting shell (17) is provided with a sliding opening for the deflector rod (19) to slide, one end of the deflector rod (19) passes through the sliding opening and extends to the outside of the second mounting shell (17), the bottom of the pin block (18) is fixedly provided with a supporting spring (20), and the other end of the supporting spring (20) is fixedly connected with the inner bottom wall of the second mounting shell (17).

5. A screw milling tool suitable for various screw machining according to claim 4, wherein a non-slip pad is fixedly mounted on the inner wall of the opening, and the non-slip pad is made of rubber.

6. The thread milling cutter tool for machining various threads as claimed in claim 1, wherein the number of the thread milling cutter bodies (5) is four, and different external threads are formed on each of the four thread milling cutter bodies (5).