CN219074481U

CN219074481U - Telescopic ball-cutter milling cutter

Info

Publication number: CN219074481U
Application number: CN202223230616.7U
Authority: CN
Inventors: 丁佳培; 李飞; 王焕; 余淑君; 董玉金; 褚明宙
Original assignee: Wuhan Punok Precision Tools Co ltd
Current assignee: Wuhan Punok Precision Tools Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-05-26
Anticipated expiration: 2032-11-30

Abstract

The utility model provides a telescopic ball cutter milling cutter, which comprises a telescopic part, a fixed part and a cutter head, wherein the telescopic part comprises a telescopic rod; the fixing part comprises a sleeve and a positioning hole; the telescopic part further comprises a sliding groove and a sliding block, and the sliding groove is formed in the telescopic rod; the sliding block is made of iron materials; the fixing part further comprises a positioning block and an adjusting hole, the positioning block is fixedly arranged at one end, far away from the telescopic rod, of the positioning hole, and the positioning block is made of a magnet. According to the utility model, the sliding groove and the sliding block are arranged on the telescopic rod, the positioning hole and the positioning block are arranged on the sleeve, the telescopic rod and the sleeve can be fixed by utilizing the adsorption of the positioning block to the sliding block, and the sliding block can be pressed through the adjusting hole by arranging the adjusting hole in the positioning block, so that the telescopic rod and the sleeve can slide continuously, thereby realizing the rapid adjustment of the length of the device and improving the milling efficiency.

Description

Telescopic ball-cutter milling cutter

Technical Field

The utility model relates to the technical field of ball cutter milling cutters, in particular to a telescopic ball cutter milling cutter.

Background

The ball-milling cutter is a milling cutter which is assembled on a milling machine and is similar to a sphere and is used for milling various curved surfaces or arc-shaped grooves, and in the processing process, when the depth difference of a plurality of milling hole grooves of a workpiece is large, the ball-milling cutter with different length types is usually required to be used for respectively processing each hole groove.

The prior art publication No. CN217316072U discloses a high-hardness ball end mill, through setting up connecting rod and regulation pole between tool bit and connecting rod, and set up the bolt between connecting rod and regulation pole, utilize the mode of twisting the bolt can be with the whole length of device adjusted, when the milling slotted hole to different degree of depth is processed, only need to adjust the whole length of device, and need not to change the ball sword milling cutter of corresponding length model again, but twist the operation of bolt is comparatively loaded down with trivial details complicacy, result in the length adjustment efficiency of device relatively lower, and simultaneously, still can take place to extrude between connecting rod and the regulation pole and rock, lead to the fact the damage to the screw tooth of bolt easily, cause the problem that the bolt takes place not hard up.

Disclosure of Invention

In view of the above, the utility model provides a telescopic ball-milling cutter, which can quickly adjust the length of the ball-milling cutter and improve the milling efficiency.

The technical scheme of the utility model is realized as follows: the utility model provides a telescopic ball cutter milling cutter, which comprises a telescopic part, a fixed part and a cutter head, wherein,

the telescopic part comprises a telescopic rod;

the fixing part comprises a sleeve and a positioning hole, the sleeve is arranged on the telescopic rod, and the sleeve is in sliding connection with the telescopic rod; the positioning holes are formed in the sleeve, and a plurality of positioning holes are formed in the sleeve;

the tool bit is fixedly arranged at one end of the telescopic rod;

the telescopic part further comprises a sliding groove and a sliding block, and the sliding groove is formed in the telescopic rod; the sliding block is arranged in the sliding groove and is respectively in sliding connection with the sliding groove and the positioning hole, and the sliding block is made of iron materials;

the fixing part further comprises a positioning block and an adjusting hole, the positioning block is fixedly arranged at one end, far away from the telescopic rod, of the positioning hole, and the positioning block is made of a magnet; the adjusting hole is formed in the positioning block.

On the basis of the above technical scheme, preferably, two sliding grooves are formed, and the two sliding grooves are oppositely arranged relative to the central line of the telescopic rod.

Still further preferably, the positioning holes are provided in two groups, each group is provided with three, the three positioning holes in the same group are uniformly distributed in the axial direction of the sleeve, and the two groups of positioning holes are oppositely arranged with respect to the central line of the sleeve.

On the basis of the technical scheme, preferably, the telescopic part further comprises a chamfer, and the chamfer is formed at one end of the sliding block, which is close to the sleeve.

On the basis of the technical scheme, preferably, the end face of the telescopic rod and the end face of the through hole in the sleeve are both oblong.

On the basis of the technical scheme, the cutter head is characterized by preferably further comprising a supporting part, wherein the supporting part comprises a supporting cylinder, and two ends of the supporting cylinder are respectively abutted against the cutter head and the sleeve.

Still further preferably, the supporting portion further includes a limit groove and a limit rod, the limit groove is respectively provided at one end of the cutter head near the supporting cylinder and one end of the supporting cylinder near the sleeve, the limit rod is respectively fixed at one end of the supporting cylinder near the cutter head and one end of the sleeve near the supporting cylinder, and the limit rod is inserted into the limit groove.

Still more preferably, the supporting cylinder is of a cylindrical structure, and the supporting cylinder is slidably connected with the telescopic rod.

Still further preferably, the support cylinder is composed of two semicircular cylindrical structures, and the support cylinder is sleeved on the telescopic rod.

On the basis of the technical scheme, the tool bit is preferably further provided with a grinding groove, and the grinding groove is formed in the circumferential side of the sleeve, which is far away from one end of the tool bit.

Compared with the prior art, the telescopic ball cutter milling cutter has the following beneficial effects:

(1) The sliding groove and the sliding block are arranged on the telescopic rod, the positioning hole and the positioning block are arranged on the sleeve, the telescopic rod and the sleeve can be fixed by utilizing the adsorption of the positioning block to the sliding block, the sliding block can be pressed through the adjusting hole by arranging the adjusting hole in the positioning block, and the telescopic rod and the sleeve can slide continuously, so that the quick adjustment of the length of the device is realized, and the milling efficiency is improved;

(2) The anti-extrusion performance of the device can be improved by arranging the supporting cylinder between the sleeve and the cutter head, and the anti-torsion performance of the device can be improved by arranging the sliding grooves, the sliding blocks, the limiting grooves and the limiting rods, so that the structural strength of the device is improved;

(3) Through setting up the sand groove, can promote ball sword milling cutter and the fixed firm degree of milling machine.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a perspective view of a telescopic ball-milling cutter according to the present utility model;

FIG. 2 is a perspective view of a telescopic section of a telescopic ball milling cutter according to the present utility model;

FIG. 3 is a perspective view of a slide block in a telescopic ball milling cutter according to the present utility model;

FIG. 4 is a perspective view of a locating block in a telescopic ball milling cutter according to the present utility model;

FIG. 5 is a cross-sectional view of a slide block in a telescopic ball milling cutter according to the present utility model;

FIG. 6 is a perspective view of a telescopic ball milling cutter according to the present utility model at a first structural support cylinder;

fig. 7 is a perspective view of a telescopic ball milling cutter according to the present utility model at a second structural support cylinder.

Wherein: 1. a telescopic part; 11. a telescopic rod; 12. a chute; 13. a slide block; 14. chamfering; 2. a fixing part; 21. a sleeve; 22. positioning holes; 23. a positioning block; 24. an adjustment aperture; 3. a cutter head; 4. a support part; 41. a support cylinder; 42. a limit groove; 43. a limit rod; 5. and (5) a sanding tank.

Detailed Description

The following description of the embodiments of the present utility model will clearly and fully describe the technical aspects of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.

As shown in fig. 1 to 7, a telescopic ball-milling cutter according to the present utility model comprises a telescopic portion 1, a fixed portion 2 and a cutter head 3.

The telescopic part 1 comprises a telescopic rod 11, a sliding groove 12 and a sliding block 13, wherein the sliding groove 12 is formed in the telescopic rod 11; the sliding block 13 is arranged in the sliding groove 12, the sliding block 13 is in sliding connection with the sliding groove 12, and the sliding block 13 is made of iron materials; as shown in fig. 3, the slider 13 may slide in the chute 12, and the slider 13 may be switched from a state completely inside the chute 12 to a state partially sliding out of the chute 12.

The fixed part 2 comprises a sleeve 21, a positioning hole 22, a positioning block 23 and an adjusting hole 24, wherein the sleeve 21 is arranged on the telescopic rod 11, and the sleeve 21 is in sliding connection with the telescopic rod 11; the positioning holes 22 are formed in the sleeve 21, the positioning holes 22 are connected with the sliding block 13 in a sliding manner, and a plurality of positioning holes 22 are formed; the positioning block 23 is fixedly arranged at one end, far away from the telescopic rod 11, in the positioning hole 22, and the positioning block 23 is made of a magnet; the adjusting hole 24 is formed in the positioning block 23; as shown in fig. 3-5, when the sliding block 13 slides completely into the sliding groove 12, the telescopic rod 11 and the sleeve 21 can slide relatively, and when the sliding block 13 moves to the position of the positioning hole 22, one end of the sliding block 13 can slide into the positioning hole 22 by utilizing the magnetic attraction of the positioning block 23 to the sliding block 13, so that the telescopic rod 11 and the sleeve 21 are limited by utilizing the sliding block 13; when the tool is used to penetrate the adjusting hole 24 and press the sliding block 13 into the chute 12, the sliding block 13 can be separated from the positioning hole 22, so that the telescopic rod 11 and the sleeve 21 can slide, and the whole length of the device can be continuously adjusted.

As a preferred embodiment, in order to enhance the strength of the limiting structure of the telescopic rod 11 and the sleeve 21, two sliding grooves 12 may be provided, and the two sliding grooves 12 may be disposed opposite to each other with respect to the center line of the telescopic rod 11.

Correspondingly, as shown in fig. 1 and fig. 4, two groups of positioning holes 22 can be provided, each group is three, three positioning holes 22 in the same group are uniformly distributed in the axial direction of the sleeve 21, and the two groups of positioning holes 22 are oppositely arranged about the central line of the sleeve 21, so that the strength of the limiting structure of the telescopic rod 11 and the sleeve 21 can be improved, and the three-gear adjustment of the length of the device can be realized.

As a preferred embodiment, as shown in fig. 5, the end surface of the telescopic rod 11 and the end surface of the through hole inside the sleeve 21 are both oblong, and with this structure, the telescopic rod 11 and the sleeve 21 can be prevented from rotating, thereby improving the anti-torque effect of the device.

Optionally, a chamfer 14 may be provided, where the chamfer 14 is formed at one end of the slider 13 near the sleeve 21, so as to reduce the outer diameter of the end of the slider 13 near the sleeve 21, and facilitate the slider 13 to slide into the positioning hole 22 quickly.

The tool bit 3 is fixed to be set up in the one end of telescopic link 11, when using the device, is kept away from the one end of tool bit 3 with fixed part 2 and is connected with the milling machine, can control tool bit 3 to carry out milling operation to the slot of work piece.

Optionally, as shown in fig. 1, after the length of the device is adjusted, an interval is formed between the tool bit 3 and the sleeve 21, in the use process of the device, extrusion occurs between the tool bit 3 and the workpiece, and the extrusion force is borne by the sliding block 13, so that a supporting part 4 can be further provided, the supporting part 4 comprises a supporting cylinder 41, two ends of the supporting cylinder 41 are respectively abutted against the tool bit 3 and the sleeve 21, and the extrusion force between the tool bit 3 and the workpiece is borne by the supporting cylinder 41, so that the extrusion resistance of the device is improved.

Further, in order to promote the fixed strength of support section of thick bamboo 41, still can set up spacing groove 42 and gag lever post 43, the spacing groove 42 is offered respectively and is close to the one end of support section of thick bamboo 41 and the one end that support section of thick bamboo 41 is close to sleeve 21 at tool bit 3, gag lever post 43 is fixed the one end that is close to tool bit 3 and sleeve 21 is close to support section of thick bamboo 41 at support section of thick bamboo 41 respectively, and gag lever post 43 and spacing groove 42 grafting, utilize the grafting of gag lever post 43 and spacing groove 42, not only can make support section of thick bamboo 41 and tool bit 3 and sleeve 21 be connected fixedly, still can utilize gag lever post 43 to make tool bit 3, support section of thick bamboo 41 and sleeve 21 rotate in step, the antitorque performance of device has been promoted.

For the installation mode of the supporting cylinder 41 and the telescopic rod 11, the utility model provides two structures of the supporting cylinder 41:

first, the supporting cylinder 41 is of a cylindrical structure, and the supporting cylinder 41 is slidably connected with the telescopic rod 11, as shown in fig. 6, when the length of the device needs to be adjusted, the telescopic part 1 and the tool bit 3 are first removed, and then the supporting cylinder 41 with the corresponding length is sleeved into the telescopic rod 11, so that the telescopic rod 11 can be inserted into the sleeve 21 for adjustment operation.

Second, the supporting cylinder 41 is composed of two semicircular cylindrical structures, and the supporting cylinder 41 is sleeved on the telescopic rod 11, as shown in fig. 7, when the length of the device needs to be adjusted, the two semicircular cylindrical structures with proper lengths are directly sleeved on the outer side of the telescopic rod 11, so that the supporting cylinder 41 can be installed, and the telescopic part 1 and the cutter head 3 need to be taken down.

Optionally, a grinding groove 5 is provided, the grinding groove 5 is formed on the circumferential side of one end, far away from the tool bit 3, of the sleeve 21, and at this time, the friction force of the connecting part of the device and the milling machine can be increased, so that the fixing firmness of the device is improved.

The application method of the telescopic ball cutter milling cutter comprises the following steps:

when the length of the device needs to be adjusted, a tool is used to pass through the adjusting hole 24 to press the sliding block 13 inwards, meanwhile, the telescopic rod 11 is slid, then the telescopic rod 11 is slid to the corresponding position of the sleeve 21, the telescopic rod 11 and the sleeve 21 are limited by utilizing the magnetic attraction of the positioning block 23 to the sliding block 13, finally, the supporting cylinder 41 with the corresponding length is selected, and the supporting cylinder 41 is arranged between the sleeve 21 and the cutter head 3 by utilizing the cooperation of the limiting groove 42 and the limiting rod 43.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. A telescopic ball-milling cutter comprises a telescopic part (1), a fixed part (2) and a cutter head (3), wherein,

the telescopic part (1) comprises a telescopic rod (11);

the fixing part (2) comprises a sleeve (21) and a positioning hole (22), the sleeve (21) is arranged on the telescopic rod (11), and the sleeve (21) is in sliding connection with the telescopic rod (11); the positioning holes (22) are formed in the sleeve (21), and a plurality of positioning holes (22) are formed;

the tool bit (3) is fixedly arranged at one end of the telescopic rod (11);

the method is characterized in that: the telescopic part (1) further comprises a sliding groove (12) and a sliding block (13), and the sliding groove (12) is formed in the telescopic rod (11); the sliding block (13) is arranged in the sliding groove (12), the sliding block (13) is respectively connected with the sliding groove (12) and the positioning hole (22) in a sliding way, and the sliding block (13) is made of iron materials;

the fixing part (2) further comprises a positioning block (23) and an adjusting hole (24), the positioning block (23) is fixedly arranged at one end, far away from the telescopic rod (11), in the positioning hole (22), and the positioning block (23) is made of a magnet; the adjusting hole (24) is formed in the positioning block (23).

2. A telescopic ball milling cutter according to claim 1, wherein: two sliding grooves (12) are formed, and the two sliding grooves (12) are oppositely arranged relative to the central line of the telescopic rod (11).

3. A telescopic ball milling cutter according to claim 2, wherein: the positioning holes (22) are arranged in two groups, each group is provided with three positioning holes, the three positioning holes (22) in the same group are uniformly distributed in the axial direction of the sleeve (21), and the two groups of positioning holes (22) are oppositely arranged relative to the central line of the sleeve (21).

4. A telescopic ball milling cutter according to claim 1, wherein: the telescopic part (1) further comprises a chamfer (14), and the chamfer (14) is arranged at one end of the sliding block (13) close to the sleeve (21).

5. A telescopic ball milling cutter according to claim 1, wherein: the end face of the telescopic rod (11) and the end face of the through hole in the sleeve (21) are both oblong.

6. A telescopic ball milling cutter according to claim 1, wherein: the tool bit is characterized by further comprising a supporting part (4), wherein the supporting part (4) comprises a supporting cylinder (41), and two ends of the supporting cylinder (41) are respectively abutted against the tool bit (3) and the sleeve (21).

7. A telescopic ball milling cutter according to claim 6, wherein: the supporting part (4) further comprises a limiting groove (42) and a limiting rod (43), the limiting groove (42) is respectively formed in the position, close to the cutter head (3), of one end of the supporting cylinder (41) and the position, close to the supporting cylinder (41), of one end of the sleeve (21), the limiting rod (43) is respectively fixedly arranged at the position, close to the supporting cylinder (41), of one end of the cutter head (3) and the position, close to the one end of the supporting cylinder (41), of the sleeve (21), and the limiting rod (43) is spliced with the limiting groove (42).

8. A telescopic ball milling cutter according to claim 7, wherein: the supporting cylinder (41) is of a cylindrical structure, and the supporting cylinder (41) is connected with the telescopic rod (11) in a sliding mode.

9. A telescopic ball milling cutter according to claim 7, wherein: the supporting cylinder (41) is composed of two semicircular cylindrical structures, and the supporting cylinder (41) is sleeved on the telescopic rod (11).

10. A telescopic ball milling cutter according to claim 1, wherein: the tool bit is characterized by further comprising a grinding groove (5), wherein the grinding groove (5) is formed in the circumferential side, away from one end of the tool bit (3), of the sleeve (21).