CN214053689U

CN214053689U - Boring cutter seat on turret lathe

Info

Publication number: CN214053689U
Application number: CN202022940332.1U
Authority: CN
Inventors: 张建林; 杨丰收; 赵伟; 赵国利; 葛舒亮; 孙元峰
Original assignee: Zhejiang Headman Intelligent Equipment Co ltd
Current assignee: Zhejiang Headman Intelligent Equipment Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-08-27
Anticipated expiration: 2030-12-10

Abstract

The utility model provides a boring blade holder on capstan head lathe belongs to anchor clamps technical field. It has solved the current not good problem of stability of cutter and blade holder fixed. Have the through-hole that is used for installing the cutter on this blade holder, set up the breach groove one with the through-hole intercommunication on the blade holder, the length in breach groove one is the same with through-hole length, the lateral part that lies in breach groove department on the blade holder still is equipped with the mounting hole that runs through the blade holder, and breach groove can stretch into the mounting hole through the bolt and lock the range of opening and shutting that comes control breach groove, still wear to be equipped with in the through-hole and be annular broach shell, breach groove two has been seted up on the outer peripheral face of broach shell, breach groove two is isometric with the length of broach shell along the length direction distribution of broach shell and the length in breach groove two. This blade holder makes the area of contact greatly increased between anchor clamps and the cutter, and the fixed stability of cutter obtains promoting.

Description

Boring cutter seat on turret lathe

Technical Field

The utility model belongs to the technical field of anchor clamps, a blade holder is related to, especially, relate to a boring blade holder on capstan head lathe.

Background

The tool apron of the rod-shaped tool is generally provided with a mounting hole for the tool to extend into, the lateral side of the tool apron is also provided with a threaded hole, the threaded hole laterally penetrates through the tool apron and is communicated with the mounting hole, after the tool extends into the mounting hole, the tool is screwed into the bolt hole through the bolt threads to extend into the mounting hole and is pressed on the lateral part of the tool, and the connection strength of the tool and the tool apron is adjusted through adjusting the tightness of the bolt. The bolt is directly abutted and contacted with the peripheral surface of the cutter, so that the peripheral surface of the cutter is easily abraded, and the guide rod is longer, so that the bolt is directly abutted and pressed on the cutter and is in contact with a point and a surface, the contact area is smaller, the connection stability between the bolt and the cutter is poorer, and the phenomenon of cutter chattering is likely to occur during processing. And therefore solving the existing problems described above is not really slow down what is to be handled.

Disclosure of Invention

The utility model aims at the above-mentioned problem that prior art exists, provide a boring cutter seat on capstan head lathe. It is solved that current cutter and the not good technical problem of stability of blade holder fixed.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a boring blade holder on capstan head lathe, has the through-hole that is used for installing the cutter on this blade holder, its characterized in that, set up the breach groove one with the through-hole intercommunication on the blade holder, the length in breach groove one is the same with through-hole length, the lateral part that lies in breach groove department on the blade holder still is equipped with the mounting hole that runs through the blade holder, just the breach groove can stretch into in the mounting hole and lock through the bolt and control the range of opening and shutting in breach groove, wear to be equipped with in the through-hole and be annular broach shell, breach groove two has been seted up on the outer peripheral face of broach shell, breach groove two is isometric with the length of broach shell along the length direction distribution of broach shell and the length in breach groove two.

The through hole on the tool apron has the effect that a tool can stretch into the through hole, when the tool stretches into the through hole, the radial shrinkage of the through hole is realized through the design of the first split groove, and the inner side surface of the through hole can be pressed against the outer peripheral surface of the tool to form fixation. The mounting hole has been seted up on the both sides face of blade holder at split groove place, the blade holder is run through to the mounting hole side direction, only need set up the nut in mounting hole one side drill way department, stretch into the bolt and with nut threaded connection in another drill way department, thereby it can apply pressure to screw up the bolt and make the both sides cell wall of split groove one be close to each other on the lateral surface of blade holder and realize that the mounting hole becomes the hole of oblate form by original round hole and blocks the cutter, area of contact greatly increased between design anchor clamps and the cutter like this, the fixed stability of cutter obtains promoting. In order to further increase the stability of the cutter, the cutter holder is additionally provided with a cutter sleeve between the cutter holder and the cutter, the outer peripheral surface of the cutter sleeve is also provided with a second split groove, the inner diameter of the cutter sleeve can be adjusted due to the arrangement of the second split groove, the cutter sleeve is sleeved outside the cutter, then the whole cutter sleeve extends into the cutter holder, the through hole radially shrinks and extrudes the cutter sleeve, the cutter sleeve shrinks and extrudes the cutter through the design of the second split groove, the connection between the cutter and the cutter holder can be more stable due to the design, the through hole shrinks from a round shape to a flat round shape due to the fact that the groove walls on the two sides of the first split groove are close to each other, the through hole is larger than the cutter, the through hole is not very matched with the cutter, the inner diameter of the cutter sleeve is slightly larger than that of the cutter and the cutter are matched with each other due to the arrangement of the cutter holder under the compression, the cutter sleeve is tightly matched with the cutter in the design of the second, and the cutter is not directly in rigid contact with the cutter holder, so that the abrasion is small, and the service life of the cutter is greatly prolonged.

In the boring cutter holder on the turret lathe, one end of the cutter sleeve is provided with the extending part, the extending part extends out of the through hole, and a plurality of bolt holes are formed in the lateral direction of the extending part.

The extension portion stretches out and is offered the several bolt hole on the through-hole, and the effect of bolt hole is can be directly through threaded connection bolt, and the bolt stretches into interior top pressure of broach shell on the outer peripheral face of cutter, and the several bolt hole corresponds several bolt top pressures on the outer peripheral face of cutter, and the circumference fixed cutter that so the design can be better prevents that it from taking place to rotate in the course of working, has further improved the stability that the cutter was fixed.

In the boring holder on a turret lathe, the thickness of the extension portion is greater than that of the holder case, and the bolt holes are uniformly distributed on the outer circumferential surface of the extension portion.

The thickness of bolt hole can be strengthened in the design that the thickness of extension is greater than the thickness of broach shell, because the bolt roof pressure can receive the reaction force from the cutter on the cutter, and the broach shell is not thick enough and is damaged because the reaction force is too big easily when screwing the bolt, so the thickening is favorable to increasing the structural strength of broach shell in bolt hole department.

In the boring tool holder on the turret lathe, the mounting holes are three and distributed along the length direction of the split slot.

Because the length of through-hole and tool case is longer, the design of three mounting hole gives the great and comparatively even of power of blade holder when bolt locking blade holder, can make like this that the blade holder gives the pressure of tool case also comparatively even for holistic atress is even, further increases the fixed stability of cutter.

In the boring cutter holder on the turret lathe, the bottom of the cutter holder is further provided with matching parts for matching with the cutter turret, and the matching parts are distributed along the length direction of the cutter holder.

The cooperation portion is rectangular strip, and the primary function is used for cooperating with the recess on the mount pad of sword tower, and the setting of cooperation portion makes being connected of blade holder and sword tower comparatively stable, and joint strength is higher.

Compared with the prior art, the product has the advantages that:

1. thereby the both sides cell wall of fracture groove one is close to each other and realizes that the mounting hole becomes the hole of oblate form by original round hole and blocks the cutter, and the area of contact greatly increased between design anchor clamps and the cutter like this, the fixed stability of cutter obtains promoting.

2. The through hole is larger than the cutter, the through hole is not matched with the cutter very much, the inner diameter of the through hole is slightly larger than the inner diameter of the cutter, the through hole and the cutter are matched with each other, the cutter sleeve is also provided with a second cracking groove which can radially contract under the extrusion of the cutter holder, the stability between the cutter and the cutter holder is further improved, the cutter is not directly in rigid contact with the cutter holder, the abrasion is small, and the service life of the cutter is greatly prolonged.

3. The extension portion stretches out and is offered the several bolt hole on the through-hole, and the effect of bolt hole is can be directly through threaded connection bolt, and the bolt stretches into interior top pressure of broach shell on the outer peripheral face of cutter, and the several bolt hole corresponds several bolt top pressures on the outer peripheral face of cutter, and the circumference fixed cutter that so the design can be better prevents that it from taking place to rotate in the course of working, has further improved the stability that the cutter was fixed.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a detail view of the tool holder of the present invention;

fig. 3 is a part view of the knife pouch of the present invention.

In the figure, 1, a tool apron; 11. a through hole; 12. a first crack groove; 13. mounting holes; 14. a fitting portion; 2. a knife sheath; 21. a second crack groove; 22. an extension portion; 23. bolt holes.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-3, the boring cutter holder on a turret lathe is provided with a block-shaped cutter holder 1, wherein the left side surface and the right side surface of the cutter holder 1 are both provided with a raised fixing block, the fixing block is provided with a hole site for mounting a bolt, and the fixing block is used for being connected with the mounting site on a turret through the bolt. The front surface of the tool apron 1 is also provided with a through hole 11 from the front surface to the back surface, the through hole 11 is used for installing a cutter, the tool apron 1 is mainly used for fixing a rod-shaped cutter, the rod-shaped cutter comprises a cutter head and a connecting rod, the connecting rod is mainly fixed with the tool apron 1, and the cutter head is fixed at the end part of the connecting rod. Seted up split groove one 12 on the up end of this blade holder 1, split groove one 12 vertically runs through blade holder 1 and through-hole 11 intercommunication, and split groove one 12 distributes and its length is isometric with the length of blade holder 1 along the length direction of blade holder 1, sets up like this and can make the both sides cell wall of split groove one 12 be close to each other when blade holder 1 receives the extrusion and reach the effect of shrink through-hole 11. Still set up the mounting hole 13 that runs through left surface and right flank on the blade holder 1, the lateral part that lies in breach groove 12 department on the blade holder 1 still is equipped with the mounting hole 13 that runs through the blade holder 1, and breach groove 12 can stretch into in the mounting hole 13 and lock through the bolt and control the range of opening and shutting of breach groove. The through hole 11 on the tool apron 1 has the function that a tool can extend into the through hole, when the tool extends into the through hole 11, the radial shrinkage of the through hole 11 is realized through the design of the first split groove 12, and the inner side surface of the through hole 11 which is radially shrunk can be pressed against the outer peripheral surface of the tool to form fixation. The mounting hole 13 has been seted up on the both sides face of blade holder 1 at split groove place, blade holder 1 is run through to mounting hole 13 side direction, only need set up the nut in mounting hole 13 one side drill way department, stretch into the bolt and with nut threaded connection in another drill way department, thereby it can apply pressure to screw up the bolt and make the both sides cell wall of split groove 12 be close to each other on the lateral surface of blade holder 1 and realize that mounting hole 13 becomes the hole of oblate form by original round hole and block the cutter, design area of contact greatly increased between anchor clamps and the cutter like this, the fixed stability of cutter obtains promoting.

The annular knife sleeve 2 is further arranged in the through hole 11 in a penetrating manner, the outer peripheral surface of the knife sleeve 2 is also provided with a second split groove 21 which laterally penetrates through the knife sleeve 2, the second split groove 21 is distributed along the length direction of the knife sleeve 2, the length of the second split groove 21 is equal to that of the knife sleeve 2, in order to further increase the stability of the knife, the knife sleeve 2 is additionally arranged between the knife holder 1 and the knife, the outer peripheral surface of the knife sleeve 2 is also provided with a second split groove 21, the inner diameter of the knife sleeve 2 can be adjusted due to the arrangement of the second split groove 21, the knife sleeve 2 is sleeved outside the knife, then the whole knife sleeve 2 extends into the knife holder 1, the through hole 11 radially shrinks and extrudes the knife sleeve 2, the knife sleeve 2 shrinks and extrudes the knife through the design of the second split groove 21, the connection between the knife and the knife holder 1 is more stable due to the design, the two side groove walls of the first split groove 12 are close to each other, so that the through hole 11 shrinks, the through hole 11 can become flat by circular variation, and through-hole 11 can be great than the cutter, through-hole 11 and cutter not very agree with, through the design of broach shell 2, the internal diameter of itself slightly is greater than cutter both and just comparatively agree with, so broach shell 2 can be in the same place with cutter tight fit under the design of breach groove two 21 under the oppression of blade holder 1, the setting can play the effect that increases cutter and 1 fixed stability of blade holder like this, and the cutter is direct and its wearing and tearing are less with 1 rigid contact of blade holder, has prolonged the life of cutter greatly. The left end of the cutter sleeve 2 is further provided with an extension portion 22, the extension portion 22 extends out of the through hole 11, and three bolt holes 23 are formed in the lateral direction of the extension portion 22. The bolt holes 23 are used for directly connecting bolts through threads, the bolts extend into the cutter sleeve 2 and are pressed on the outer peripheral surface of the cutter in a jacking mode, the bolt holes 23 correspond to the bolts and are pressed on the outer peripheral surface of the cutter in a jacking mode, the cutter can be well fixed in the circumferential direction through the design, the cutter is prevented from rotating in the machining process, and the stability of cutter fixation is further improved. The extension part 22 is provided with a radially convex annular convex part 24, the thickness of the extension part 22 is larger than that of the cutter sleeve 2, the thickness of the bolt hole 23 can be enhanced, the bolt is pressed against the cutter and can receive the reaction force from the cutter, if the cutter sleeve 2 is not thick enough, the bolt is easy to damage due to the overlarge reaction force when the bolt is screwed, and therefore the thickening of the bolt hole 23 is beneficial to increasing the structural strength of the cutter sleeve 2. The mounting holes 13 are also three and distributed along the length of the split slot. Because the length of through-hole 11 and broach shell 2 is longer, so the design of three mounting hole 13 gives the great and comparatively even power of blade holder 1 when bolt locking blade holder 1, can make the pressure that blade holder 1 gave broach shell 2 also comparatively even like this for holistic atress is even, further increases the fixed stability of cutter.

The bottom of the tool apron 1 is further provided with a matching part 14 used for matching with the tool turret, and the matching part 14 is distributed along the length direction of the tool apron 1. The cooperation portion 14 is rectangular strip, and the main function is used for cooperating with the recess on the mount pad of sword tower, and the setting of cooperation portion 14 makes the connection of blade holder 1 and sword tower comparatively stable, and joint strength is higher.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A boring cutter seat on a turret lathe is provided, the cutter seat (1) is provided with a through hole (11) for mounting a cutter, it is characterized in that the tool apron (1) is provided with a first split groove (12) communicated with the through hole (11), the length of the first split groove (12) is the same as that of the through hole, a mounting hole (13) penetrating through the tool apron (1) is further formed in the side part of the tool apron (1) located at the first split groove (12), and the first split groove (12) can extend into the mounting hole (13) through a bolt and be locked to control the opening and closing amplitude of the first split groove (12), an annular knife sleeve (2) is arranged in the through hole (11) in a penetrating way, a second crack opening groove (21) is arranged on the outer peripheral surface of the knife sleeve (2), the second split groove (21) is distributed along the length direction of the knife sleeve (2), and the length of the second split groove (21) is equal to that of the knife sleeve (2).

2. The boring cutter seat on the turret lathe according to claim 1, wherein one end of the cutter sleeve (2) is provided with an extension part (22), the extension part (22) extends out of the through hole (11), and a plurality of bolt holes (23) are formed in the lateral direction of the extension part (22).

3. The boring holder on a turret lathe according to claim 2, characterized in that the thickness of the extension (22) is greater than the thickness of the sleeve (2), and the bolt holes (23) are evenly distributed on the outer circumferential surface of the extension (22).

4. The boring holder on a turret lathe according to claim 3, characterized in that the mounting holes (13) are three and distributed along the length of the first split slot (12).

5. A boring cutter holder on a turret lathe according to any one of claims 1-4, characterized in that the bottom of the cutter holder (1) is further provided with an engaging portion (14) for engaging with a turret, and the engaging portion (14) is distributed along the length direction of the cutter holder (1).