CN212239459U

CN212239459U - Cutter for machining precision gear

Info

Publication number: CN212239459U
Application number: CN202020908641.8U
Authority: CN
Inventors: 冯兴法
Original assignee: Tianjin Dongli Huafeng Industry And Trade Co ltd
Current assignee: Tianjin Dongli Huafeng Industry And Trade Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2020-12-29
Anticipated expiration: 2030-05-26

Abstract

The utility model discloses a cutter for precision gear machining, including blade holder, location lid and installation axle, the location lid sets up in the top of blade holder, and installs the surface of axle perpendicular connection at the location lid, the blade holder is cylindrical hollow structure, and mid-mounting has a fixing base in the blade holder, be provided with a plurality of kicking blocks in the fixing base, and the one end activity of kicking block passes the fixing base, a plurality of mounting grooves have been seted up on the blade holder, and the mounting groove internalization is provided with the tool bit. This kind of cutter for precision gear machining, through set up a plurality of detachable tool bits in the blade holder, can install and dismantle the tool bit, also conveniently change the tool bit of equidimension not, change according to different gear machining's needs, the ejector pad of locating lever in to the blade holder is fixed, thereby inject the position of tool bit, prevent that the tool bit from removing, and fix a position between lid and the blade holder through the threaded rod, prevent that the installation axle is when the pivoted, lead to the separation between lid and the blade holder of fixing a position.

Description

Cutter for machining precision gear

Technical Field

The utility model relates to a gear machining technical field specifically is a cutter for precision gear machining.

Background

Gear refers to a mechanical element on a rim with gears continuously engaged to transmit motion and power. The use of gears in transmissions has long emerged. At the end of the 19 th century, the principle of generating the cutting method and the successive appearance of special machine tools and cutters for cutting teeth by using the principle pay attention to the running stability of gears along with the development of production.

When the existing curve gears are added to carry out module adjustment, corresponding cutters need to be replaced. Therefore, each module of curve gear can only be processed by a corresponding cutter. Therefore, the machining cost is greatly increased, and the utilization rate of the cutter is reduced, so that the cutter for machining the precise gear is improved.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a cutter for precision gear machining, including blade holder, location lid and installation axle, the location lid sets up in the top of blade holder, and installs the surface of axle perpendicular connection at the location lid, the blade holder is cylindrical hollow structure, and mid-mounting has a fixing base in the blade holder, be provided with a plurality of kicking blocks in the fixing base, and the one end activity of kicking block passes the fixing base, a plurality of mounting grooves have been seted up on the blade holder, and the mounting groove internalization is provided with the tool bit, the blade holder setting is passed to the one end that the mounting groove is close to the location lid, the one end fixedly connected with limiting plate of tool bit, and the limiting plate.

As a preferred technical scheme of the utility model, the bottom of location lid is connected with the locating lever perpendicularly, and the locating lever activity inserts in the fixing base.

As a preferred technical scheme of the utility model, mid-mounting has the locking base in the fixing base, and the locking base has seted up open-ended screw thread seat for the top, the screw thread mouth has been seted up at the surface middle part of fixing base, and the screw thread mouth is same line with the vertical axis of locking base.

As a preferred technical scheme of the utility model, a plurality of thread grooves have been seted up between the inner wall of blade holder and the outer wall, and the thread groove setting is close to on the side of location lid on the blade holder, the location is covered to correspond and has been seted up a plurality of jacks, the activity is provided with the threaded rod on the jack.

As a preferred technical scheme of the utility model, the one end that passes the fixing base on the kicking block sets up the surface at the limiting plate respectively to contact with a side of limiting plate, the other end of kicking block sets up the top at the locking base respectively.

As a preferred technical scheme of the utility model, the tool bit sets up with mounting groove, kicking block one-to-one respectively, and the tool bit is circular array setting along the centre of a circle of blade holder.

As a preferred technical scheme of the utility model, the diameter size of locating lever and the diameter size phase-match of screw thread mouth, and the surface of locating lever is provided with the thread tooth.

As a preferred technical scheme of the utility model, the mounting groove is passed in the one end activity of tool bit to the setting is on the surface of blade holder.

The utility model has the advantages that: this kind of cutter for precision gear machining, through set up a plurality of detachable tool bits in the blade holder, can install and dismantle the tool bit, and also conveniently change the tool bit of equidimension not, change according to different gear machining's needs, the ejector pad of locating lever in to the blade holder is fixed, thereby inject the position of tool bit, prevent that the tool bit from removing, and fix through the threaded rod between location lid and the blade holder, prevent that the installation axle is when the pivoted, lead to the separation between location lid and the blade holder, can realize fixing a position the installation fast when installing the tool bit.

Drawings

FIG. 1 is a perspective view of a precision gear machining tool according to the present invention;

fig. 2 is a schematic view of a top view of a tool holder of the cutting tool for precision gear machining according to the present invention.

In the figure: 1. a tool apron; 2. a positioning cover; 3. a cutter head; 4. installing a shaft; 5. a thread groove; 6. mounting grooves; 7. a fixed seat; 8. a threaded opening; 9. a top block; 10. a limiting plate; 11. positioning a rod; 12. a threaded rod; 13. a jack; 14. and locking the base.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-2, the utility model 1, a cutter for precision gear machining, including blade holder 1, location lid 2 and installation axle 4, location lid 2 sets up the top at blade holder 1, and install the surface that axle 4 connects perpendicularly at location lid 2, blade holder 1 is cylindrical hollow structure, and mid-mounting has fixing base 7 in the blade holder 1, be provided with a plurality of kicking blocks 9 in the fixing base 7, and the one end activity of kicking block 9 passes fixing base 7, a plurality of mounting grooves 6 have been seted up on the blade holder 1, and the activity is provided with tool bit 3 in the mounting groove 6, tool holder 1 setting is passed to the one end that mounting groove 6 is close to location lid 2, the one end fixedly connected with limiting plate 10 of tool bit 3, and limiting plate 10 sets up in blade holder.

Wherein, the bottom of the positioning cover 2 is vertically connected with a positioning rod 11, the positioning rod 11 is movably inserted into the fixed seat 7, and the positioning rod 11 fixes the positioning cover 2 and the tool apron 1.

Wherein, mid-mounting has locking base 14 in the fixing base 7, and locking base 14 sets up open-ended screw thread seat for the top, and threaded mouth 8 has been seted up at the surperficial middle part of fixing base 7, and threaded mouth 8 is same line with locking base 14's vertical axis, provides fixed position for locating lever 11.

Wherein, a plurality of thread grooves 5 have been seted up between the inner wall of blade holder 1 and the outer wall, and thread groove 5 sets up on blade holder 1 and is close to a side of location lid 2, and the location is covered and is corresponded on 2 and seted up a plurality of jacks 13, and the activity is provided with threaded rod 12 on the jack 13, and blade holder 1 is fixed more stable with location lid 2.

Wherein, the one end that passes fixing base 7 on the kicking block 9 sets up the surface at limiting plate 10 respectively to contact with a side of limiting plate 10, the other end of kicking block 9 sets up respectively in the top of locking base 14, and kicking block 9 supports stopper 10, prevents that tool bit 3 from rocking.

Wherein, tool bit 3 and mounting groove 6, kicking block 9 one-to-one respectively set up, and tool bit 3 is circular array setting along the centre of a circle of blade holder 1, and tool bit 3 that evenly sets up is more accurate when processing the gear.

The diameter of the positioning rod 11 is matched with the diameter of the threaded opening 8, threaded teeth are arranged on the surface of the positioning rod 11, and the positioning rod 11 is connected with the threaded opening 8 through threads.

Wherein, the one end activity of tool bit 3 passes mounting groove 6 to set up in the surface of blade holder 1, tool bit 3 conveniently changes.

The working principle is as follows: when the device is used, the tool bit 3 can be installed and disassembled by arranging a plurality of detachable tool bits 3 in the tool apron 1, the tool bits 3 with different sizes can be conveniently replaced, the tool bits 3 are replaced according to the requirements of different gear processing, when the tool bit 3 is replaced, the tool bit 3 slides upwards to separate the tool bit 3 from the mounting groove 6 of the tool apron 1, then the new tool bit 3 is replaced, the limiting plate 10 is inserted into the tool apron 1, the tool bit 3 passes through the mounting groove 6 and is supported by the fixed block 9, then the positioning cover 2 is covered, the positioning rod 11 is rotated to ensure that the positioning rod 11 is inserted into the threaded port 8 and is fixedly connected with the locking base 14 at the bottom, the positioning rod 11 fixes the top block 9 in the tool apron 1, the positioning rod 11 is inserted between the top blocks 9, thereby limiting the position of the tool bit 3 and preventing the movement of the tool bit 3, and the positioning cover 2 and, the threaded rod 12 passes through the insertion hole 13 and is threadedly coupled to the threaded groove 5 to prevent the mounting shaft 4 from being rotated to separate the positioning cap 2 from the holder 1.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A cutter for machining a precision gear comprises a cutter holder (1), a positioning cover (2) and a mounting shaft (4), it is characterized in that the positioning cover (2) is arranged above the cutter holder (1), the mounting shaft (4) is vertically connected to the surface of the positioning cover (2), the cutter holder (1) is in a cylindrical hollow structure, a fixed seat (7) is arranged in the middle of the cutter holder (1), a plurality of ejector blocks (9) are arranged in the fixed seat (7), one end of the top block (9) movably penetrates through the fixed seat (7), the tool apron (1) is provided with a plurality of mounting grooves (6), a tool bit (3) is movably arranged in the mounting groove (6), one end of the mounting groove (6) close to the positioning cover (2) is arranged by penetrating through the tool apron (1), one end fixedly connected with limiting plate (10) of tool bit (3), and limiting plate (10) set up in blade holder (1).

2. The cutting tool for machining the precision gear according to claim 1, wherein a positioning rod (11) is vertically connected to the bottom of the positioning cover (2), and the positioning rod (11) is movably inserted into the fixing seat (7).

3. The cutter for machining the precision gear according to claim 1, wherein a locking base (14) is installed in the middle of the inside of the fixing base (7), the locking base (14) is a threaded base with an opening at the top, a threaded opening (8) is formed in the middle of the surface of the fixing base (7), and the threaded opening (8) and a vertical axis of the locking base (14) are the same line.

4. The cutter for machining the precision gear according to claim 1, wherein a plurality of thread grooves (5) are formed between the inner wall and the outer wall of the cutter holder (1), the thread grooves (5) are formed in one side surface, close to the positioning cover (2), of the cutter holder (1), a plurality of insertion holes (13) are correspondingly formed in the positioning cover (2), and threaded rods (12) are movably arranged on the insertion holes (13).

5. The tool for machining the precision gear according to claim 1, wherein one end of the top block (9) penetrating through the fixing seat (7) is arranged on the surface of the limiting plate (10) and is in contact with one side face of the limiting plate (10), and the other end of the top block (9) is arranged above the locking base (14).

6. The cutter for machining the precision gear according to claim 1, wherein the cutter heads (3) are arranged in one-to-one correspondence with the mounting grooves (6) and the ejector blocks (9), and the cutter heads (3) are arranged in a circular array along the center of the cutter holder (1).

7. The tool for machining precision gears according to claim 2, wherein the diameter of the positioning rod (11) is matched with the diameter of the threaded opening (8), and the surface of the positioning rod (11) is provided with threaded teeth.

8. The tool for precision gear machining according to claim 1, wherein one end of the tool bit (3) is movably inserted through the mounting groove (6) and is disposed on the surface of the tool holder (1).