CN215698115U

CN215698115U - Precision cutter for machining precision round hole

Info

Publication number: CN215698115U
Application number: CN202122121793.0U
Authority: CN
Inventors: 邹建军; 梁奕龙; 梁鹰甫; 李玉贤
Original assignee: Dongguan Shengjia Precision Technology Co ltd
Current assignee: Dongguan Shengjia Precision Technology Co ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-02-01
Anticipated expiration: 2031-09-03

Abstract

The utility model relates to the technical field of machining, in particular to a precision cutter for machining precision round holes, and solves the problems that in the prior art, a large amount of time is wasted in the process of manually taking and placing the cutter, and the efficiency is low. The utility model provides a precision cutting tool for processing accurate round hole, includes that center main shaft and rotation connect the solid fixed ring at center main shaft, gu fixed ring goes up fixedly connected with semicircle tube, be equipped with the switching mechanism who is used for switching the cutter in the semicircle tube, it is connected with the telescopic link to rotate on the inner wall of semicircle tube, be equipped with on the telescopic link and be used for placing the not hard up stop gear of switching mechanism. The tool changing device can quickly change the tool, avoid manually taking the tool and improve the tool changing efficiency.

Description

Precision cutter for machining precision round hole

Technical Field

The utility model relates to the technical field of machining, in particular to a precision cutter for machining a precision round hole.

Background

The machining is a process of changing the overall dimension or performance of a workpiece through mechanical equipment, and when machining is precise, circular holes need to be drilled, milled and ground, so that cutters with different cutters need to be used.

When the existing circular hole machining device is used, a cutter is generally fixed on a central main shaft, the upper end of the central main shaft is connected with a motor, the lower end of the central main shaft can fix the cutter, and the cutter is driven to rotate through rotation of the central main shaft to perform machining.

The existing round hole machining needs to drill, mill and grind various processes, required cutters need to be continuously replaced, the existing cutter replacement mode needs to manually rotate a fixing device on a central spindle, the cutters are disassembled, then suitable cutters are searched from a tool box and are installed again, a large amount of time is wasted in the process of manually taking and placing the cutters, and therefore cutter replacement time is long, and the problem of low efficiency is caused. A precision tool for machining precision round holes is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a precision cutter for machining a precision round hole, and solves the problems that in the prior art, a large amount of time is wasted in the process of manually taking and placing the cutter, and the efficiency is low.

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

the utility model provides a precision cutting tool for processing accurate round hole, includes that center main shaft and rotation connect the solid fixed ring at center main shaft, gu fixed ring goes up fixedly connected with semicircle tube, be equipped with the switching mechanism who is used for switching the cutter in the semicircle tube, it is connected with the telescopic link to rotate on the inner wall of semicircle tube, be equipped with on the telescopic link and be used for placing the not hard up stop gear of switching mechanism.

Preferably, the switching mechanism comprises a circular ring fixedly connected to the non-telescopic end of the telescopic rod through two transmission plates, and four different cutter bodies are arranged on the circular ring in an equal radian mode.

Preferably, the central spindle is fixedly connected with a first gear, and the upper end of the cutter body is fixedly connected with a second gear matched with the first gear.

Preferably, the limiting mechanism comprises a plurality of pairs of baffles fixedly connected in the semi-cylinder, and the non-telescopic short fixedly connected with of the telescopic rod and the plurality of pairs of clamping blocks matched with the baffles.

Preferably, the non-telescopic end of the telescopic rod penetrates through the semi-cylinder, and the tail end of the telescopic rod is fixedly connected with a disc.

Preferably, the non-telescopic end of the telescopic rod is provided with an opening, the inner wall of the opening is provided with a pair of guide grooves, and the pair of guide grooves are connected with sliding strips in a sliding manner.

Preferably, the disc is provided with a limiting groove, the side wall of the semi-cylinder is rotatably connected with a limiting plate matched with the limiting groove through a rotating shaft, and the rotating shaft is provided with a torsion spring.

The utility model has at least the following beneficial effects:

1. through setting up switching mechanism, realize when the change of cutter body needs to be carried out, the pulling disc for the telescopic link motion, first gear breaks away from with the second gear, then rotates the ring, makes required cutter body parallel with central main shaft, then reverse promotion disc for first gear meshes with the second gear mutually, accomplishes the tool changing, avoids artifical taking off and reinstallating again, thereby save time raises the efficiency.

2. Through setting up stop gear, realize when the fixture block card advances the baffle, realize spacing to the ring, avoid the cutter body to take place not hard up, limiting plate card advances the spacing inslot simultaneously for the disc can not move, further increases the fixed effect of cutter body.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic diagram of an external structure of a precision cutting tool for machining a precision round hole according to the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of the internal structure of a mounting cylinder of a precision cutting tool for machining precision round holes according to the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 3;

fig. 5 is a schematic view of an internal structure of a telescopic rod of a precision tool for machining a precision round hole according to the present invention.

In the figure: 1. a central main shaft; 2. a fixing ring; 3. a semi-cylinder; 4. a telescopic rod; 5. a drive plate; 6. a circular ring; 7. a cutter body; 8. a first gear; 9. a second gear; 10. a baffle plate; 11. a clamping block; 12. a disc; 13. a guide groove; 14. a slide bar; 15. a limiting groove; 16. and a limiting plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1-5, a precision cutting tool for processing precision round hole, including central main shaft 1 and the solid fixed ring 2 of rotation connection on central main shaft 1, gu fixed ring 2 here goes up fixedly connected with connecting plate, the connecting plate is connected with the base of lathe, so the semicircle tube 3 can not become flexible, gu fixed ring 2 goes up fixedly connected with semicircle tube 3, be equipped with the switching mechanism that is used for switching over the cutter in the semicircle tube 3, rotate on the inner wall of semicircle tube 3 and be connected with telescopic link 4, be equipped with on telescopic link 4 and be used for placing the not hard up stop gear of switching mechanism.

Further, as can be known by referring to fig. 1 and 3, the switching mechanism includes a circular ring 6 fixedly connected to the non-telescopic end of the telescopic rod 4 through two transmission plates 5, four different cutter bodies 7 are arranged on the circular ring 6 at equal radian, an included angle between adjacent cutter bodies 7 is 90 °, and the cutter bodies 7 are different types of cutters.

Further, as can be known by referring to fig. 1 and 3, the first gear 8 is fixedly connected to the central spindle 1, the second gear 9 is fixedly connected to the upper end of the cutter body 7 and is matched with the first gear 8, and by arranging the first gear 8 and the second gear 9, when the first gear 8 is meshed with the second gear 9, the central spindle 1 rotates to drive the second gear 9 to rotate, so that the cutter body 7 rotates to perform machining.

Further, as can be known by referring to fig. 3 and 4, the limiting mechanism comprises a plurality of pairs of baffles 10 fixedly connected in the semi-cylinder 3, the non-telescopic short fixedly connected with of the telescopic rod 4 and a plurality of pairs of fixture blocks 11 matched with the baffles 10, and the limitation on the circular ring 6 is realized by arranging the baffles 10 and the fixture blocks 11 when the fixture blocks 11 are clamped into the baffles 10, so that the cutter body 7 is prevented from loosening.

Further, as can be known by referring to fig. 1 and 3, the non-telescopic end of the telescopic rod 4 penetrates through the semi-cylinder 3, the disc 12 is fixedly connected to the tail end of the telescopic rod 4, and the disc 12 is arranged to avoid pulling the telescopic rod 4.

Further, as can be known from fig. 3 and 5, an opening is formed in the non-telescopic end of the telescopic rod 4, a pair of guide grooves 13 is formed in the inner wall of the opening, sliding strips 14 are slidably connected in the pair of guide grooves 13, and the sliding strips 14 slide in the guide grooves 13 to guide the circular ring 6, so that the circular ring 6 is prevented from deviating.

Further, refer to fig. 1 and 2 and learn that be equipped with spacing groove 15 on disc 12, rotate through the pivot on the lateral wall of semicircle tube 3 and be connected with spacing groove 15 matched with limiting plate 16, be equipped with torsion spring in the pivot, through setting up limiting groove 15 and limiting plate 16, realize that disc 12 can not move when limiting plate 16 blocks into limiting groove 15, further increases cutter body 7's fixed effect.

The working principle is as follows: when the tool body 7 needs to be replaced, firstly, the rotation of the central spindle 1 is stopped, then the limiting plate 16 is pulled, the limiting plate 16 is an elastic sheet and can be separated from the limiting groove 15 periodically, then the disc 12 is pulled, the telescopic rod 4 is pulled to move, the clamping block 11 is separated from the baffle 10, at the moment, the first gear 8 is separated from the second gear 9, in the process, the sliding strip 14 slides in the guide groove 13 to guide, then the disc 12 is rotated, the telescopic rod 4 rotates, the ring 6 is driven to rotate through the transmission plate 5, so that the tool body 7 can be replaced, the required tool body 7 is parallel to the central spindle 1, then the disc 12 is pushed, the clamping block 11 is clamped into the baffle 10, the limiting of the ring 6 is realized, the tool body 7 is prevented from loosening, the first gear 8 is meshed with the second gear 9 to realize tool changing, then the limiting plate 16 is clamped into the limiting groove 15, so that the disc 12 does not move, further increasing the securing effect of the tool body 7.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a precision cutting tool for processing accurate round hole, includes central main shaft (1) and rotates solid fixed ring (2) of connection on central main shaft (1), its characterized in that, gu fixed ring (2) go up fixedly connected with semicircle tube (3), be equipped with the switching mechanism who is used for switching over the cutter in semicircle tube (3), it is connected with telescopic link (4) to rotate on the inner wall of semicircle tube (3), be equipped with on telescopic link (4) and be used for placing the not hard up stop gear of switching mechanism.

2. The precision tool for machining precision round holes according to claim 1, characterized in that the switching mechanism comprises a circular ring (6) fixedly connected to the non-telescopic end of the telescopic rod (4) through two transmission plates (5), and four different tool bodies (7) are arranged on the circular ring (6) in an equal radian.

3. The precision tool for machining precision round holes according to claim 2, characterized in that a first gear (8) is fixedly connected to the central spindle (1), and a second gear (9) matched with the first gear (8) is fixedly connected to the upper end of the tool body (7).

4. The precision tool for machining precision round holes according to claim 1, wherein the limiting mechanism comprises a plurality of pairs of baffles (10) fixedly connected in the semi-cylinder (3), and the non-telescopic short of the telescopic rod (4) is fixedly connected with a clamping block (11) matched with the plurality of pairs of baffles (10).

5. The precision tool for machining precision round holes according to claim 1, characterized in that the non-telescopic end of the telescopic rod (4) penetrates through the semi-cylinder (3), and the end of the telescopic rod (4) is fixedly connected with the disc (12).

6. The precision tool for machining precision round holes is characterized in that an opening is formed in the non-telescopic end of the telescopic rod (4), a pair of guide grooves (13) are formed in the inner wall of the opening, and a sliding strip (14) is connected in the pair of guide grooves (13) in a sliding mode.

7. The precision tool for machining precision round holes according to claim 5, wherein a limiting groove (15) is formed in the disc (12), a limiting plate (16) matched with the limiting groove (15) is rotatably connected to the side wall of the semi-cylinder (3) through a rotating shaft, and a torsion spring is arranged on the rotating shaft.