CN112483536B

CN112483536B - Long shaft end tooth and machining process thereof

Info

Publication number: CN112483536B
Application number: CN202011463964.1A
Authority: CN
Inventors: 王培勇; 石得林
Original assignee: Xiongming Aviation Science And Technology Wuhu Co ltd
Current assignee: Xiongming Aviation Science And Technology Wuhu Co ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-08-31
Anticipated expiration: 2040-12-14
Also published as: CN112483536A

Abstract

The invention discloses a long shaft end tooth and a processing technology thereof, which comprises an end disc, a first threaded hole, a second threaded hole, a limiting groove, a limiting block, a connecting disc, a sleeve, a fixed shaft and an end tooth, wherein an inner embedded groove is formed in one side of the end disc, and the first threaded hole is formed in the center of the inner part of the inner embedded groove. Thereby improving the service life and the use effect of the workpiece.

Description

Long shaft end tooth and machining process thereof

Technical Field

The invention belongs to the field of long shaft end teeth, and particularly relates to a long shaft end tooth and a processing technology thereof.

Background

The long shaft is usually used between gears to play the role of connection and transmission, in the industrial field, the long shaft is usually used in cooperation with an end tooth, and an end tooth disc, also called a mouse tooth disc or an end face tooth disc, is the most core key component of mechanical indexing equipment, can ensure the high-precision ordered operation of equipment such as numerical control machinery and the like, has high requirement on the manufacturing precision of the end tooth disc, is complex in process and wide in application range, and is mainly used in the numerical control machine industry, the numerical control rotary table and indexing head, the numerical control universal milling head, the five-shaft milling head, a power tool turret, instruments and precision measurement industry, aviation, aerospace and navigation industries.

The end-toothed disc can select the product of different external diameters and number of teeth according to the change of use place and usage, adopts the chromium molybdenum steel through strict heat treatment as the end-toothed disc of material, has the characteristics of hardness height, stand wear and tear, long service life, and ultraprecise self-centering, the meshing is accurate moreover, through the meshing of convex-concave tooth, can realize accurate self-centering, also can be very nimble in follow-up use dismouting to make things convenient for the staff to maintain.

However, the existing long shaft and end-toothed disc are usually integrated, so that the connection stability of the workpiece is improved, but in subsequent maintenance or replacement, the whole part needs to be replaced, which causes unnecessary waste.

The invention content is as follows:

the present invention is directed to a long shaft end tooth and a processing method thereof to solve the above problems.

In order to solve the above problems, the present invention provides a technical solution:

a long shaft end tooth comprises an end disc, a first threaded hole, a second threaded hole, a limiting groove, a limiting block, a connecting disc, a sleeve, a fixed shaft and an end tooth, wherein an inner embedded groove is formed in one side of the end disc, the first threaded hole is formed in the center of the inner part of the inner embedded groove, second threaded holes are formed in the inner wall of the inner embedded groove and are located on the outer side of the first threaded hole at equal intervals, end teeth are arranged on the outer portion of the end disc and on one side of the inner embedded groove at equal intervals, the limiting groove is symmetrically formed in the outer portion of the end disc and on one side far away from the end teeth, the limiting block is inserted into the limiting groove, one end of the limiting block extends to the outer portion of the limiting groove, the end, far away from the limiting groove, of the limiting block is fixedly connected with the connecting disc, a fourth threaded hole matched with the first threaded hole is formed in the connecting disc, the sleeve is fixedly connected with the sleeve on the outer side of the fourth threaded hole, and the fixed shaft is connected with the inner thread of the sleeve, inside fixed axle one end runs through the connection pad and extends to the end plate, just fixed axle and first screw hole and fourth screw hole threaded connection, the sleeve inner wall is provided with spacing subassembly.

As a preferable scheme of the invention, first through holes are equidistantly formed in the end disc and positioned on one side of the second threaded hole, second through holes matched with the first through holes are equidistantly formed in the connecting disc, and the inner diameters of the first through holes and the second through holes are the same.

According to a preferable scheme of the invention, the end disc is internally and threadedly connected with a limiting bolt, one end of the limiting bolt extends to the outside of the end disc, a third threaded hole matched with the limiting bolt is formed in the limiting block, and the bottom end of the limiting bolt extends to the inside of the third threaded hole and is in threaded connection with the third threaded hole.

As a preferable scheme of the invention, clamping grooves are formed in the outer portion of the end disc and on one side of the limiting groove at equal intervals, clamping blocks matched with the clamping grooves are formed in the outer portion of the connecting disc and on one side of the limiting block at equal intervals, and one side of each clamping block, which is far away from the connecting disc, extends into the clamping groove and is clamped with the clamping groove.

According to a preferable scheme of the invention, the limiting assembly comprises a mounting groove, a screw rod and a limiting plate, the mounting groove is formed in the sleeve, the limiting plate is connected to the inside of the mounting groove in a sliding manner, the top of the limiting plate is rotatably connected with the screw rod, one end of the screw rod, which is far away from the limiting plate, extends to the outside of the sleeve, and the screw rod is in threaded connection with the inside of the sleeve.

As a preferable scheme of the invention, limiting teeth matched with the limiting plate are arranged outside the fixed shaft and under the mounting groove at equal intervals.

As a preferable scheme of the invention, a sealing groove is formed outside the end disc and inside the first through hole, a sealing ring matched with the sealing groove is fixedly connected outside the connecting disc and inside the second through hole, and one side of the sealing ring, which is far away from the connecting disc, is embedded inside the sealing groove.

As a preferable scheme of the invention, the limiting bolt, the fixed shaft and the screw rod are all made of stainless steel materials.

A processing technology of a long shaft end tooth comprises the following steps:

s1, selecting a corresponding blank tray according to the design size, normalizing the blank tray, controlling the temperature of the blank tray to be 850-;

s2, annealing the die-cast blank disc, and then tapping the blank disc according to the design size, so that a first threaded hole and a second threaded hole are formed in the blank disc;

s3, fixing the blank disc workpiece on a numerical control lathe through a three-jaw chuck, programming the numerical control lathe by a worker according to the design size, and then opening end teeth of the blank disc through the numerical control lathe;

s4, after the end teeth are arranged, polishing the flatness of the end disc through polishing equipment, and measuring various parameters through a detection instrument after polishing is finished;

and S5, when all the parameters of the end disc meet the design requirements, the end disc is immersed in oil and packaged by a worker.

The invention has the beneficial effects that: the connecting plate is compact in structure and high in practicability, the end disc and the connecting piece are assembled, the workpiece can be disassembled when being replaced, so that unnecessary part replacement is reduced, the utilization rate of equipment is improved, the limiting groove and the clamping groove are matched with the limiting block and the clamping block for use, the connecting plate and the end disc can be prevented from rotating, the stability of workpiece connection is improved, the limiting assembly is matched with the limiting tooth for use, the phenomenon that a fixed shaft slips can be avoided, the phenomenon that the existing connecting mode cannot transmit large torsion can be improved, and the service life and the using effect of the workpiece are prolonged.

Description of the drawings:

for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.

FIG. 1 is a general schematic of the present invention;

FIG. 2 is a front view of the end disk of the present invention;

FIG. 3 is a rear view of an end disc of the present invention;

FIG. 4 is a rear view of the interface disc of the present invention;

FIG. 5 is a schematic view of a stationary shaft of the present invention;

FIG. 6 is a cross-sectional view of the present invention;

FIG. 7 is an enlarged view at B in FIG. 6;

fig. 8 is an enlarged view at a in fig. 6.

In the figure: 1. an end plate; 2. an embedded groove is formed; 3. a first threaded hole; 4. a second threaded hole; 5. a first through hole; 6. a limit bolt; 7. a limiting groove; 8. a card slot; 9. a limiting block; 10. a connecting disc; 11. a third threaded hole; 12. a clamping block; 13. a second through hole; 14. a fourth threaded hole; 15. a sleeve; 16. a fixed shaft; 17. limiting teeth; 18. a limiting component; 181. mounting grooves; 182. a screw; 183. a limiting plate; 19. a sealing groove; 20. a seal ring; 21. and end teeth.

The specific implementation mode is as follows:

as shown in fig. 1 to 8, the following technical solutions are adopted in the present embodiment:

example (b):

a long shaft end tooth comprises an end disc 1, a first threaded hole 3, a second threaded hole 4, a limiting groove 7, a limiting block 9, a connecting disc 10, a sleeve 15, a fixing shaft 16 and an end tooth 21, wherein an inner embedded groove 2 is formed in one side of the end disc 1, the first threaded hole 3 is formed in the center of the inner embedded groove 2, the second threaded hole 4 is formed in the inner wall of the inner embedded groove 2 and is positioned on the outer side of the first threaded hole 3 at an equal distance, the connecting piece is convenient to fix, and the connecting stability is improved, the end tooth 21 is arranged on the outer portion of the end disc 1 and on one side of the inner embedded groove 2 at an equal distance, the limiting groove 7 is symmetrically formed in one side of the outer portion of the end disc 1, which is far away from the end tooth 21, the limiting block 9 is inserted in the limiting groove 7, one end of the limiting block 9 extends to the outer portion of the limiting groove 7, the connecting disc 10 is fixedly connected with the connecting disc 10, a fourth threaded hole 14 matched with the first threaded hole 3 for use is formed in the connecting disc 10, connecting pad 10 is outside and be located the outside fixedly connected with sleeve 15 of fourth screw hole 14, the inside threaded connection of sleeve 15 has fixed axle 16, fixed axle 16 one end runs through connecting pad 10 and extends to inside 1 of end plate, and fixed axle 16 and first screw hole 3 and the 14 threaded connection of fourth screw hole, assemble end plate 1 and connecting piece, when changing the work piece, can disassemble the work piece, thereby reduce unnecessary part and change, be favorable to improve equipment's utilization ratio, sleeve 15 inner wall is provided with spacing subassembly 18.

Wherein, first through-hole 5 has been seted up to the inside one side equidistance that just is located second screw hole 4 of end plate 1, and second through-hole 13 that uses with 5 cooperations of first through-hole is seted up to the inside equidistance of connection pad 10, and first through-hole 5 is the same with the internal diameter of second through-hole 13, makes things convenient for fluid process to cool down the work piece, be favorable to reducing the temperature of work piece, thereby reducing wear.

Wherein, 1 inside threaded connection of end plate has

limit bolt

6, and 6 one end of limit bolt extends to 1 outside of end plate, and 9 inside third screw holes 11 of seting up and using with the cooperation of

limit bolt

6, 6 bottoms of limit bolt extend to 11 insides of third screw holes and with 11 threaded connection of third screw hole, can fasten connection pad 10 and end plate 1 to avoid taking place to rotate between connection pad 10 and the end plate 1, be favorable to improving the stability of connecting.

Wherein, draw-in groove 8 has been seted up to the outside one side equidistance that just is located spacing groove 7 of end plate 1, and connection pad 10 outside just is located one side equidistance of stopper 9 and offers the fixture block 12 that uses with the cooperation of draw-in groove 8, and one side that connection pad 10 was kept away from to fixture block 12 extends to draw-in groove 8 inside and draw-in groove 8 joint, conveniently docks connection pad 10 and end plate 1, is favorable to shortening installation time.

Wherein, spacing subassembly 18 includes mounting groove 181, screw rod 182 and limiting plate 183, and sleeve 15 is inside to have seted up mounting groove 181, and the inside sliding connection of mounting groove 181 has limiting plate 183, and limiting plate 183 top is rotated and is connected with screw rod 182, and the one end that limiting plate 183 was kept away from to screw rod 182 extends to sleeve 15 outside, and screw rod 182 and the inside threaded connection of sleeve 15, can adjust the position of limiting plate 183 to improve the flexibility that equipment used.

Wherein, the outside and the equidistance that is located under mounting groove 181 of fixed axle 16 has seted up the spacing tooth 17 that uses with the cooperation of limiting plate 183, conveniently carries out the locking to fixed axle 16 to prevent that fixed axle 16 from rotating, be favorable to improving the intensity of connecting, thereby improve the output of torsion.

Wherein, end disc 1 outside and the inboard that is located first through-hole 5 have seted up seal groove 19, and connection pad 10 outside and the inboard fixedly connected with that is located second through-hole 13 and the sealing ring 20 that the cooperation of seal groove 19 was used, and inside one side embedding seal groove 19 that connection pad 10 was kept away from to sealing ring 20, can seal between connection pad 10 and the end disc 1 to avoid fluid to spill over, be favorable to improving the accuracy of work piece.

The limiting bolt 6, the fixing shaft 16 and the screw 182 are made of stainless steel, so that the strength of the part can be ensured, the phenomenon of rusting cannot occur, and the service life of the part is prolonged.

s2, annealing the die-cast blank disc, and then tapping the blank disc according to the design size, so that a first threaded hole 3 and a second threaded hole 4 are formed in the blank disc;

s3, fixing the blank disc workpiece on a numerical control lathe through a three-jaw chuck, programming the numerical control lathe by a worker according to the design size, and then opening the end teeth 21 of the blank disc through the numerical control lathe;

s4, after the end teeth 21 are opened, polishing the flatness of the end disc 1 through polishing equipment, and measuring various parameters through a detection instrument after polishing;

and S5, when all the parameters of the end disc 1 meet the design requirements, the worker immerses the end disc 1 in oil and packs the end disc.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

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. A long shaft end tooth is characterized by comprising an end disc (1), a first threaded hole (3), a second threaded hole (4), a limiting groove (7), a limiting block (9), a connecting disc (10), a sleeve (15), a fixing shaft (16) and an end tooth (21), wherein an inner caulking groove (2) is formed in one side of the end disc (1), the first threaded hole (3) is formed in the center of the inner portion of the inner caulking groove (2), the second threaded hole (4) is formed in the inner wall of the inner caulking groove (2) and is located on the outer side of the first threaded hole (3) in an equidistant mode, the end tooth (21) is arranged outside the end disc (1) and on one side of the inner caulking groove (2) in an equidistant mode, the limiting groove (7) is symmetrically formed in the outer portion of the end disc (1) and on one side far away from the end tooth (21), the limiting block (9) is inserted into the limiting groove (7), one end of the limiting block (9) extends to the outer portion of the limiting groove (7), a connecting disc (10) is fixedly connected to one end, far away from the limiting groove (7), of the limiting block (9), a fourth threaded hole (14) matched with the first threaded hole (3) is formed in the connecting disc (10), a sleeve (15) is fixedly connected to the outer side, located outside the connecting disc (10), of the fourth threaded hole (14), a fixing shaft (16) is connected to the inner portion of the sleeve (15) in a threaded mode, one end of the fixing shaft (16) penetrates through the connecting disc (10) and extends into the end disc (1), the fixing shaft (16) is in threaded connection with the first threaded hole (3) and the fourth threaded hole (14), and a limiting assembly (18) is arranged on the inner wall of the sleeve (15);

a limiting bolt (6) is connected to the inner portion of the end disc (1) in a threaded manner, one end of the limiting bolt (6) extends to the outer portion of the end disc (1), a third threaded hole (11) matched with the limiting bolt (6) is formed in the limiting block (9), and the bottom end of the limiting bolt (6) extends to the inner portion of the third threaded hole (11) and is in threaded connection with the third threaded hole (11);

clamping grooves (8) are formed in the outer portion of the end disc (1) and located on one side of the limiting groove (7) at equal intervals, clamping blocks (12) matched with the clamping grooves (8) are formed in the outer portion of the connecting disc (10) and located on one side of the limiting block (9) at equal intervals, and one side, far away from the connecting disc (10), of each clamping block (12) extends into the clamping groove (8) and is clamped with the clamping groove (8);

the limiting assembly (18) comprises a mounting groove (181), a screw rod (182) and a limiting plate (183), the mounting groove (181) is formed in the sleeve (15), the limiting plate (183) is connected to the inside of the mounting groove (181) in a sliding mode, the screw rod (182) is connected to the top of the limiting plate (183) in a rotating mode, one end, far away from the limiting plate (183), of the screw rod (182) extends to the outside of the sleeve (15), and the screw rod (182) is in threaded connection with the inside of the sleeve (15);

limiting teeth (17) matched with the limiting plate (183) are arranged outside the fixed shaft (16) and under the mounting groove (181) at equal intervals;

the end disc (1) is outside and is located the inboard of first through-hole (5) and has seted up seal groove (19), inboard fixedly connected with that connection pad (10) is outside and is located second through-hole (13) and seal ring (20) that seal groove (19) cooperation was used, just one side embedding seal groove (19) inside that connection pad (10) were kept away from in seal ring (20).

2. The long shaft end tooth as claimed in claim 1, wherein the end disc (1) is provided with first through holes (5) at equal intervals on one side of the second threaded hole (4), the connecting disc (10) is provided with second through holes (13) at equal intervals inside the connecting disc (10), and the inner diameters of the first through holes (5) and the second through holes (13) are the same.

3. The long axis end tooth as claimed in claim 1, wherein the stop bolt (6), the fixed shaft (16) and the screw (182) are made of stainless steel.

4. A process for machining a long-axis end tooth as claimed in any one of claims 1 to 3, comprising the steps of:

s2, annealing the die-cast blank disc, and then tapping the blank disc according to the design size, so that a first threaded hole (3) and a second threaded hole (4) are formed in the blank disc;

s3, fixing the blank disc workpiece on a numerical control lathe through a three-jaw chuck, programming the numerical control lathe by a worker according to the design size, and then opening end teeth (21) of the blank disc through the numerical control lathe;

s4, after the end teeth (21) are arranged, polishing the flatness of the end disc (1) through polishing equipment, and measuring various parameters through a detection instrument after polishing is finished;

and S5, when all parameters of the end disc (1) meet the design requirements, the worker immerses the end disc (1) in oil and packs the end disc.