CN217551339U

CN217551339U - Hobbing tool with replaceable cutting insert

Info

Publication number: CN217551339U
Application number: CN202221623454.0U
Authority: CN
Inventors: 田军亮; 李玉龙; 李小姣; 魏璐璐; 李保利
Original assignee: Lankao Sannong Vocational College
Current assignee: Lankao Sannong Vocational College
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-10-11
Anticipated expiration: 2032-06-27

Abstract

The utility model relates to the technical field of cutting tool, and a hobbing cutter of removable cutting blade is disclosed, including a hobbing cutter section of thick bamboo, the internally mounted of a hobbing cutter section of thick bamboo has the cutting blade, the cutting blade tip is provided with blade fixing mechanism, the upper end and the lower extreme of a hobbing cutter section of thick bamboo all are connected with fixed apron, the surface of fixed apron is provided with blade degree of depth adjustment mechanism. This gear hobbing cutter of removable cutting blade, cooperation through blade fixed establishment and fixed cover plate and fixing bolt can realize dismantling the installation to the monolithic cutting blade, be favorable to changing the monolithic cutting blade, use cost is reduced, and simultaneously, through blade degree of depth adjustment mechanism, can drive blade fixed establishment and cutting blade and remove along the draw-in groove inner wall, thereby can adjust the length that the cutting blade extends from a hobbing cutter section of thick bamboo inside, can adjust according to the machining depth of work piece, make gear hobbing cutter's use have the universality.

Description

Hobbing tool with replaceable cutting insert

Technical Field

The utility model relates to the technical field of cutters, specifically be removable cutting blade's gear hobbing cutter.

Background

The hobbing cutter is used as a cutter for processing gears, can cut straight teeth, helical teeth and cylindrical gears on a hobbing machine, can also process worm gears, chain wheels and the like, and is widely applied to gear processing machines.

The existing hobbing cutter is generally an integral cutter made of high-speed steel or hard alloy, the specification of the hobbing cutter is fixed, the hobbing cutter can only be suitable for a cutting technology with a fixed specification, after the hobbing cutter is used for a long time, blades are abraded, the abraded blades can be only one of the whole hobbing cutter, the whole hobbing cutter is replaced only by abrasion of a single blade, resource waste can be caused, and the use cost is increased.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a hobbing cutter of removable cutting blade has solved the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the hobbing cutter with the replaceable cutting blade comprises a hobbing cutter barrel, wherein the cutting blade is installed inside the hobbing cutter barrel, a blade fixing mechanism is arranged at the end part of the cutting blade, the upper end and the lower end of the hobbing cutter barrel are both connected with a fixing cover plate, and a blade depth adjusting mechanism is arranged on the surface of the fixing cover plate;

the blade fixing mechanism comprises a cutter holder fixedly connected to the end part of the cutting blade through welding, a mounting plate is movably sleeved on the surface of the cutter holder, a plurality of blade accommodating grooves are formed in the mounting plate at equal intervals, and connecting bolts are connected in the blade accommodating grooves through threads;

blade degree of depth adjustment mechanism is including offering the spout on fixed apron surface and through threaded connection and the inside adjusting bolt of a hobbing cutter section of thick bamboo, the quantity of spout is a plurality of, the spout is the equidistant range of annular along the upper end of fixed apron, the inside sliding connection of spout has locking bolt.

Optionally, the tool apron is movably clamped in the tool accommodating groove, the surface of the tool apron is completely attached to the inner wall of the tool accommodating groove, and the connecting bolt penetrates through the tool accommodating groove and movably extends into the tool apron.

Optionally, the lower extreme of fixed cover plate has the holding ring through welded fastening, the constant head tank has been seted up to the junction of the corresponding holding ring in surface of hobbing cutter section of thick bamboo, the inside of holding ring activity embedding constant head tank, the surface of holding ring and the inner wall laminating of constant head tank.

Optionally, the fixed cover plate is internally connected with a fixing bolt, the fixing bolt penetrates through the fixed cover plate and extends into the hob barrel, and the fixing bolt is connected with the hob barrel through threads.

Optionally, the draw-in groove has been seted up on the surface of a hobbing cutter section of thick bamboo, the quantity of draw-in groove is a plurality of, the draw-in groove is the equidistant range of annular along the surface of a hobbing cutter section of thick bamboo, the installation panel activity inlay card is in the inside of draw-in groove, the both sides surface of installation panel and the inner wall laminating of draw-in groove.

Optionally, a limiting groove is formed in the joint, corresponding to the mounting plate, of the surface of the fixed cover plate, the inner wall of the limiting groove is attached to the end portion of the mounting plate, and the number of the limiting grooves corresponds to the number of the clamping grooves.

Optionally, the spout runs through in fixed cover plate, locking bolt runs through in the spout, and the activity extends to the inside of mounting panel, through threaded connection between locking bolt and the mounting panel, adjusting bolt runs through in a hobbing cutter section of thick bamboo, and extends to the inside of draw-in groove, adjusting bolt's tip and the back laminating of mounting panel.

Optionally, the connecting bolt, the fixing bolt, the locking bolt and the adjusting bolt are all hexagon socket countersunk head bolts.

(III) advantageous effects

The utility model provides a removable cutting blade's gear hobbing cutter possesses following beneficial effect:

this gear hobbing cutter of removable cutting blade, cooperation through blade fixed establishment and fixed cover plate and fixing bolt can realize dismantling the installation to the monolithic cutting blade, be favorable to changing the monolithic cutting blade, use cost is reduced, and simultaneously, through blade degree of depth adjustment mechanism, can drive blade fixed establishment and cutting blade and remove along the draw-in groove inner wall, thereby can adjust the length that the cutting blade extends from a hobbing cutter section of thick bamboo inside, can adjust according to the machining depth of work piece, make gear hobbing cutter's use have the universality.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the assembly structure of the cutting blade and the blade holding mechanism of the present invention;

FIG. 3 is a schematic structural view of the mounting plate of the present invention;

fig. 4 is a schematic structural view of the middle hobbing cutter cylinder of the present invention;

fig. 5 is a schematic structural view of the fixing cover plate of the present invention;

fig. 6 is a schematic view of the assembly structure of the cutting insert, the insert fixing mechanism and the insert depth adjusting mechanism according to the present invention.

In the figure: 1. a hob drum; 2. a cutting insert; 3. a tool apron; 4. mounting a plate; 5. a knife containing groove; 6. a connecting bolt; 7. a card slot; 8. fixing the cover plate; 9. a positioning ring; 10. positioning a groove; 11. a limiting groove; 12. fixing the bolt; 13. a chute; 14. locking the bolt; 15. and adjusting the bolt.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 to 6, the hobbing cutter with replaceable cutting blades comprises a hobbing cutter barrel 1, wherein the cutting blades 2 are installed inside the hobbing cutter barrel 1, the end parts of the cutting blades 2 are provided with blade fixing mechanisms, the upper end and the lower end of the hobbing cutter barrel 1 are both connected with a fixing cover plate 8, and the surface of the fixing cover plate 8 is provided with a blade depth adjusting mechanism;

wherein, as shown in fig. 2, blade fixed establishment includes through welded fastening in the blade holder 3 of 2 tip of cutting blades, and mounting panel 4 has been cup jointed in the surface activity of blade holder 3, and a plurality of "T" style of calligraphy are seted up equally spaced in the inside of mounting panel 4 and are held the sword groove 5, and the blade holder 3 inlay card is in the inside of holding the sword groove 5, and the surface of blade holder 3 is laminated completely with the inner wall that holds the sword groove 5, through the blade holder 3 with hold the cooperation in sword groove 5, can let cutting blade 2 inlay card inside mounting panel 4. Every holds on the mounting panel 4 of sword groove 5 one side far away from blade holder 3 and corresponds threaded connection and have a connecting bolt 6, every connecting bolt 6 extend to the inside of blade holder 3 and with blade holder 3 threaded connection, be connected blade holder 3 and mounting panel 4 through connecting bolt 6, cooperation connecting bolt 6 can be fixed cutting blade 2. After the cutting blade 2 at a certain position is damaged, the mounting plate 4 is taken out of the hob barrel 1, then the connecting bolt 6 is loosened by using an inner hexagonal wrench, so that the tool seat 3 is separated from the connecting bolt 6, and then the cutting blade 2 and the tool seat 3 are drawn out from the side surface of the tool groove 5, and a new cutting blade 2 is replaced.

Example 2

After the replacement of the cutting insert 2 is completed in embodiment 1, in order to ensure the stability of the cutting insert 2 and the insert fixing mechanism, it is further fixed:

as shown in fig. 4, the clamping groove 7 has been seted up on the surface of a hobbing cutter section of thick bamboo 1, and the quantity of clamping groove 7 is a plurality of, and the clamping groove 7 is the equidistant range of annular along the surface of a hobbing cutter section of thick bamboo 1, and the inside of mounting panel 4 activity embedding clamping groove 7, the both sides surface of mounting panel 4 and the inner wall laminating of clamping groove 7 can install mounting panel 4 in the inside of a hobbing cutter section of thick bamboo 1 through clamping groove 7, can also prevent that mounting panel 4 from producing in a hobbing cutter section of thick bamboo 1 and rocking.

As shown in fig. 5, the lower end of the fixed cover plate 8 is fixed with a positioning ring 9 by welding, a positioning groove 10 is formed in the joint of the top surface of the hob barrel 1 corresponding to the positioning ring 9, the positioning ring 9 is movably embedded into the positioning groove 10, the surface of the positioning ring 9 is attached to the inner wall of the positioning groove 10, and the fixed cover plate 8 and the hob barrel 1 can be connected to achieve the radial positioning effect through the cooperation of the positioning ring 9 and the positioning groove 10, so that the fixed cover plate 8 can be quickly installed.

The internal connection of fixed cover plate 8 has fixing bolt 12, fixing bolt 12 runs through in fixed cover plate 8, and extend to the inside of hobbing cutter section of thick bamboo 1, pass through threaded connection between fixing bolt 12 and the hobbing cutter section of thick bamboo 1, utilize fixing bolt 12 can be with

fixed cover plate

8 and 1 locking connection of hobbing cutter section of thick bamboo, spacing groove 11 has been seted up to the junction that the surface of fixed cover plate 8 corresponds mounting panel 4, the inner wall of spacing groove 11 and the tip laminating of mounting panel 4, the quantity of spacing groove 11 corresponds with draw-in groove 7, when further fixing cutting blade 2 and blade fixed establishment, close the fixed cover plate 8 at hobbing cutter section of thick bamboo 1 both ends, make the holding ring 9 embedding of fixed cover plate 8 lower extreme in the constant head tank 10 on the surface of hobbing cutter section of thick bamboo 1 (radial positioning), play the positioning effect (circumferential positioning) to the rotation of fixed cover plate 8, later cup joint spacing groove 11 with the fixed cover plate 8 lower extreme at the tip of mounting panel 4, make it play further restriction to twist into mounting panel 4, then in fixing bolt 12 in the hobbing cutter section of thick bamboo 1, it is fixed cover plate 8 fixed, thereby utilize the tip of mounting panel 4 from its tip.

Example 3

After the cutting insert 2 and the insert fixing means are fixed in example 2, the length of the cutting insert 2 extending from the inside of the hob cylinder 1 is adjusted in order to meet the depth of work:

as shown in fig. 6, the blade depth adjusting mechanism includes a plurality of sliding grooves 13 opened on the surface of the fixed cover plate 8 and adjusting bolts 15 connected with the inside of the hob barrel 1 by threads, the sliding grooves 13 are arranged in an annular equal interval along the upper end of the fixed cover plate 8, the sliding grooves 13 penetrate through the fixed cover plate 8, the sliding grooves 13 are connected with locking bolts 14 in a sliding manner, the locking bolts 14 penetrate through the sliding grooves 13 and movably extend to the inside of the mounting plate 4, the locking bolts 14 are connected with the mounting plate 4 by threads, the adjusting bolts 15 penetrate through the hob barrel 1 and extend to the inside of the clamping grooves 7, the end portions of the adjusting bolts 15 are attached to the back surface of the mounting plate 4, when the length of the cutting blade 2 extending out of the hob barrel 1 is adjusted, the locking bolts 14 are loosened by using an inner hexagon wrench, so that the blade fixing mechanism slides along the inner wall of the clamping grooves 7, the cutting blade 2 extends out of the hob barrel 1, then the locking bolts 14 are screwed, the blade fixing mechanism is locked and fixed, and then the inner hexagon wrench is rotated along the inside of the hob barrel 1, so that the adjusting bolts 15 abut against the back surface of the mounting plate 4, and the cutting blade is prevented from being attached to the mounting plate 4 in the hob barrel 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Removable cutting blade's gear hobbing cutter, including a hobbing cutter section of thick bamboo (1), its characterized in that: a cutting blade (2) is installed inside the hobbing cutter cylinder (1), a blade fixing mechanism is arranged at the end part of the cutting blade (2), the upper end and the lower end of the hobbing cutter cylinder (1) are both connected with a fixing cover plate (8), and a blade depth adjusting mechanism is arranged on the surface of the fixing cover plate (8);

the blade fixing mechanism comprises a blade holder (3) fixedly connected to the end part of the cutting blade (2) through welding, a mounting plate (4) is movably sleeved on the surface of the blade holder (3), a plurality of blade accommodating grooves (5) are formed in the mounting plate (4) at equal intervals, and connecting bolts (6) are connected in the blade accommodating grooves (5) through threads;

blade degree of depth adjustment mechanism is including offering in spout (13) on fixed apron (8) surface and through threaded connection and hobbing cutter section of thick bamboo (1) inside adjusting bolt (15), the quantity of spout (13) is a plurality of, spout (13) are the equidistant range of annular along the upper end of fixed apron (8), the inside sliding connection of spout (13) has locking bolt (14).

2. The replaceable cutting insert hobbing tool of claim 1, wherein: the tool apron (3) is movably clamped and embedded in the tool containing groove (5), the surface of the tool apron (3) is completely attached to the inner wall of the tool containing groove (5), and the connecting bolt (6) penetrates through the tool containing groove (5) and movably extends into the tool apron (3).

3. The replaceable cutting insert hobbing tool of claim 1, wherein: the lower extreme of fixed cover plate (8) has holding ring (9) through welded fastening, constant head tank (10) have been seted up to the junction that the surface of a hobbing cutter section of thick bamboo (1) corresponds holding ring (9), the inside of holding ring (9) activity embedding constant head tank (10), the surface of holding ring (9) and the inner wall laminating of constant head tank (10).

4. The replaceable cutting insert hobbing tool of claim 1, wherein: the inside connection of fixed cover plate (8) has fixing bolt (12), fixing bolt (12) run through in fixed cover plate (8), and extend to the inside of a hobbing cutter section of thick bamboo (1), through threaded connection between fixing bolt (12) and the hobbing cutter section of thick bamboo (1).

5. The replaceable cutting insert hobbing tool of claim 1, wherein: draw-in groove (7) have been seted up on the surface of a hobbing cutter section of thick bamboo (1), the quantity of draw-in groove (7) is a plurality of, draw-in groove (7) are the equidistant range of annular along the surface of a hobbing cutter section of thick bamboo (1), mounting panel (4) activity inlay card is in the inside of draw-in groove (7), the both sides surface of mounting panel (4) and the inner wall laminating of draw-in groove (7).

6. The replaceable cutting insert hobbing tool of claim 5, wherein: spacing groove (11) have been seted up to the junction that the surface of fixed cover plate (8) corresponds mounting panel (4), the inner wall of spacing groove (11) and the tip laminating of mounting panel (4), the quantity and the draw-in groove (7) of spacing groove (11) correspond.

7. The replaceable cutting insert hobbing tool of claim 5, wherein: spout (13) run through in fixed cover plate (8), locking bolt (14) run through in spout (13), and the activity extends to the inside of mounting panel (4), pass through threaded connection between locking bolt (14) and mounting panel (4), adjusting bolt (15) run through in a hobbing cutter section of thick bamboo (1), and extend to the inside of draw-in groove (7), the tip of adjusting bolt (15) and the back laminating of mounting panel (4).

8. The replaceable cutting insert hobbing tool of claim 4, wherein: the connecting bolt (6), the fixing bolt (12), the locking bolt (14) and the adjusting bolt (15) are all hexagon socket countersunk head bolts.