CN216176729U

CN216176729U - Tool holder for installing boring tool

Info

Publication number: CN216176729U
Application number: CN202122643750.9U
Authority: CN
Inventors: 马涛; 陈梦黎
Original assignee: Hefei City Shenk Precision Tool Co
Current assignee: Hefei City Shenk Precision Tool Co
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-04-05
Anticipated expiration: 2031-11-01

Abstract

The utility model provides a tool holder for installing a boring tool, which relates to the technical field of tool holders and comprises a base, wherein a supporting shaft is fixedly connected to the upper surface of the base, a first bearing is sleeved on the outer surface of the supporting shaft, a tool rest is fixedly connected to the outer surface of the first bearing, one end of the tool rest is fixedly connected with a tool bit through a bolt, and a second bearing is embedded in the upper surface of the base. According to the utility model, the screw rod is rotated, the second bearing, the rotating shaft and the upright post provide supporting force, the screw rod pulls the push block to move under the action of the threads, so that the tool rest rotates around the supporting shaft under the action of the first bearing, the second bearing rotates in the moving process of the push block, the angle of the screw rod is adjusted, the screw rod is prevented from bending after being stressed, the tool rest is adjusted to a proper angle after being stretched, the tool bit is fixed with the tool rest through three bolts, the processing work of parts is carried out, the angle of the tool bit during cutting can be adjusted according to the requirement, and the application range is wide.

Description

Tool holder for installing boring tool

Technical Field

The utility model relates to the technical field of tool holders, in particular to a tool holder for a boring tool.

Background

Boring is generally considered to be an ideal machining method for machining precision holes in workpieces of various sizes and shapes. In order to meet the requirement of continuously improving the productivity, the design of the boring cutter is continuously innovated and improved, and since the advent of the numerical control technology, the digital display technology has been widely applied to CNC machine tools and coordinate measuring machines, and in addition, digital display measuring instruments such as digital display micrometers and digital display calipers have also been widely used, but the application of the digital display technology to precision boring cutters has been slowly developed, and the restriction factors are mainly the coolant used in the boring process and the high-speed rotation of the boring head.

Conventionally, great care must be taken to bore holes in a machining center to prevent coolant splashed around from entering electronic components of a digital display device of a boring head. Nowadays, the novel boring cutter adopting the internal cooling design can better solve the problem. The cooling liquid can directly reach the cutting part through the channel in the cutter, so that the complete isolation of the cooling liquid and the boring head digital display device is realized. In addition, the novel numerical control boring cutter is well sealed outside, and can effectively prevent the cooling liquid from contacting with electronic elements in the digital display device.

However, in the prior art, the tool holder of the boring tool in the prior art cannot adjust the angle for machining a special-shaped hole, and has limitations.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems that the tool holder provided with a boring tool in the prior art cannot adjust the angle to process a special-shaped hole, and has limitation, the tool holder provided with the boring tool in the prior art is fixed with the tool through a fastening bolt when in use, and the tool is easy to shake and displace and is difficult to mount and influence the processing precision in the process of screwing the bolt.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a dress cutter holder of boring cutter, includes the base, the last fixed surface of base is connected with the back shaft, the surface cover of back shaft is equipped with first bearing, the outer fixed surface of first bearing is connected with the knife rest, bolt fixedly connected with tool bit is passed through to the one end of knife rest, the upper surface of base inlays and is equipped with the second bearing, the inner wall fixed surface of second bearing is connected with the pivot, the one end fixedly connected with stand of pivot, a side surface threaded connection of stand has the lead screw, the one end fixedly connected with adjusting ball of lead screw, the surface cover of adjusting ball is equipped with the ejector pad, a side fixed surface of ejector pad is connected in a side surface of knife rest.

Preferably, the upper surface of the base is fixedly connected with two fixing columns, and the upper surfaces of the two fixing columns are fixedly connected with a clamping plate.

Preferably, the upper surface of the clamping plate is provided with an angle scale.

Preferably, one end of the screw rod is fixedly connected with a stress rod, and the surface of one side of the stress rod is fixedly connected with a handle.

Preferably, the outer surface of the handle is sleeved with two third bearings, and the outer surfaces of the two third bearings are fixedly connected with a rotating drum.

Preferably, the upper surface of the knife rest is provided with a clamping groove, a clamping block is embedded in the clamping groove, and one end of the clamping block is fixedly connected to the outer surface of the knife head.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the utility model, the screw rod is rotated, the second bearing, the rotating shaft and the upright post provide supporting force, the adjusting ball pulls the push block to move under the action of the threads, so that the tool rest rotates around the supporting shaft as a circle center under the action of the first bearing, the second bearing rotates in the moving process of the push block, the angle of the screw rod is adjusted, the screw rod is prevented from bending after being stressed, the tool rest is adjusted to a proper angle after being stretched, the tool bit is fixed with the tool rest through three bolts, the processing work of parts is carried out, and the angle of the tool bit during cutting can be adjusted according to the requirement.

2. According to the tool rest, the angle of the tool rest is adjusted according to the angle dial gauge arranged on the upper surface of the clamping plate, the tool rest is convenient and quick to use, the rotary drums welded to the outer surfaces of the two third bearings are held, the screw rod is driven to rotate through the handle and the stress rod, adjustment is convenient, when the handle rotates, the rotary drums are driven to rotate through the two third bearings, friction is reduced, use experience is improved, a clamping block is welded to the surface of one side of the tool bit, when the tool bit and the tool rest are installed, the tool bit is prevented from shaking through the positioning of the clamping block and the clamping groove, and installation is convenient.

Drawings

FIG. 1 is a perspective view of a tool holder for a boring tool according to the present invention;

FIG. 2 is a schematic perspective view of a tool holder for a boring tool according to the present invention;

FIG. 3 is a schematic perspective view of a tool holder block for a boring tool according to the present invention;

fig. 4 is an enlarged perspective view of the utility model at a in fig. 3.

Illustration of the drawings: 1. a base; 2. a support shaft; 3. a first bearing; 4. a tool holder; 5. a cutter head; 6. a push block; 7. adjusting the ball; 8. a screw rod; 9. a column; 10. a stress beam; 11. a grip; 12. fixing a column; 13. a splint; 14. an angle scale; 15. a card slot; 16. a clamping block; 17. a second bearing; 18. a rotating shaft; 19. a third bearing; 20. a rotating drum.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1 to 4, the present invention provides a tool holder for installing a boring tool, including a base 1, a support shaft 2 fixedly connected to an upper surface of the base 1, a first bearing 3 sleeved on an outer surface of the support shaft 2, a tool rest 4 fixedly connected to an outer surface of the first bearing 3, a tool bit 5 fixedly connected to an end of the tool rest 4 through a bolt, a second bearing 17 embedded in an upper surface of the base 1, a rotating shaft 18 fixedly connected to an inner wall surface of the second bearing 17, an upright post 9 fixedly connected to an end of the rotating shaft 18, a lead screw 8 threadedly connected to a side surface of the upright post 9, an adjusting ball 7 fixedly connected to an end of the lead screw 8, a push block 6 sleeved on an outer surface of the adjusting ball 7, and a side surface of the push block 6 fixedly connected to a side surface of the tool rest 4.

The whole embodiment 1 achieves the effects that, in use, the base 1 is installed on a lathe, the screw rod 8 is rotated, the second bearing 17, the rotating shaft 18 and the upright post 9 provide supporting force, the adjusting ball 7 of the screw rod 8 pulls the push block 6 to move under the action of threads, the tool rest 4 is enabled to rotate around the supporting shaft 2 under the action of the first bearing 3, the push block 17 rotates in the moving process of the push block 6, the angle of the screw rod 8 is adjusted, the lead screw 8 is prevented from bending after being stressed, the tool rest 4 is adjusted to a proper angle after being stretched, the tool bit 5 is fixed with the tool rest 4 through three bolts, the parts are machined, the angle of the tool bit 5 during cutting can be adjusted according to requirements, the special-shaped hole machining is carried out, when the tool bit 5 is in contact with the machined surface of a part, the push block 6, the adjusting ball 7, the screw rod 8, the upright post 9, the rotating shaft 18 and the second bearing 17 provide supporting force, the displacement of the tool bit 5 is prevented, timely adjustment is carried out, and the machining precision of parts is guaranteed.

Embodiment 2, as shown in fig. 1 to 4, the upper surface of the base 1 is fixedly connected with two fixing columns 12, the upper surface of the two fixing columns 12 is fixedly connected with a clamping plate 13, an angle scale 14 is disposed on the upper surface of the clamping plate 13, one end of the lead screw 8 is fixedly connected with a stress rod 10, one side surface of the stress rod 10 is fixedly connected with a handle 11, two third bearings 19 are sleeved on the outer surface of the handle 11, the outer surface of the two third bearings 19 is fixedly connected with a rotating cylinder 20, a clamping groove 15 is disposed on the upper surface of the tool rest 4, a clamping block 16 is embedded in the clamping groove 15, and one end of the clamping block 16 is fixedly connected to the outer surface of the tool bit 5.

The effect that its whole embodiment 2 reaches does, the upper surface of knife rest 4 is laminated with splint 13's surface mutually, when tool bit 5 atress, kinetic energy transmits to knife rest 4, two fixed columns 12 and splint 13 restrict the removal orbit of knife rest 4, avoid knife rest 4 to rock, ensure the machining precision, the angle of knife rest 4 is adjusted to angle graduation apparatus 14 that sets up according to splint 13 upper surface, convenient and fast, hold two third bearing 19 outer surface welded rotary drums 20, drive lead screw 8 through handle 11 and atress pole 10 and rotate, be convenient for adjust, when handle 11 rotates, two third bearing 19 drive rotary drum 20 are rotatory, reduce frictional force, improve the use experience, one side skin weld of tool bit 5 has fixture block 16, when installing tool bit 5 and knife rest 4, fix a position through fixture block 16 and draw-in groove 15, avoid tool bit 5 to rock, be convenient for installation.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. A tool holder for a boring tool, characterized in that: comprises a base (1), the upper surface of the base (1) is fixedly connected with a supporting shaft (2), a first bearing (3) is sleeved on the outer surface of the supporting shaft (2), a tool rest (4) is fixedly connected to the outer surface of the first bearing (3), one end of the tool rest (4) is fixedly connected with a tool bit (5) through a bolt, a second bearing (17) is embedded on the upper surface of the base (1), the inner wall surface of the second bearing (17) is fixedly connected with a rotating shaft (18), one end of the rotating shaft (18) is fixedly connected with an upright post (9), the surface of one side of the upright post (9) is in threaded connection with a screw rod (8), one end of the screw rod (8) is fixedly connected with an adjusting ball (7), the outer surface of the adjusting ball (7) is sleeved with a push block (6), and one side surface of the push block (6) is fixedly connected with one side surface of the tool rest (4).

2. The tool holder for a boring tool according to claim 1, wherein: the upper surface of base (1) fixed surface is connected with two fixed columns (12), two the upper surface fixed connection of fixed column (12) is connected with splint (13).

3. A holder for a boring tool according to claim 2, wherein: an angle dial gauge (14) is arranged on the upper surface of the clamping plate (13).

4. The tool holder for a boring tool according to claim 1, wherein: one end of the screw rod (8) is fixedly connected with a stress rod (10), and one side surface of the stress rod (10) is fixedly connected with a handle (11).

5. The holder for a boring tool according to claim 4, wherein: two third bearings (19) are sleeved on the outer surface of the handle (11), and a rotary drum (20) is fixedly connected to the outer surfaces of the two third bearings (19).

6. The tool holder for a boring tool according to claim 1, wherein: the upper surface of the knife rest (4) is provided with a clamping groove (15), a clamping block (16) is embedded in the clamping groove (15), and one end of the clamping block (16) is fixedly connected to the outer surface of the knife head (5).