CN217799417U - Positioning fixture for machining half axle gear - Google Patents

Abstract

The utility model relates to a positioning fixture for half axle gear machining, including left base and right base, the right side fixedly connected with frock of left base, the left base is pegged graft with the inside of frock and is had the integral key shaft, the integral key shaft interlude extends to the right-hand side of frock through the frock, the integral key shaft has cup jointed half axle gear, half axle gear contacts with the right side of frock; the left side of the right base is fixedly connected with a positioning column, a positioning groove is formed in the positioning column, the right end of the spline shaft is located in the positioning groove, a soft cushion is fixedly connected to the left side of the positioning column, and the soft cushion is in contact with the half shaft gear; the inside difference fixedly connected with cylinder of left side base and right base, the cylinder has two. This positioning fixture is used in half axle gear processing possesses the advantage that half axle gear is fixed stable, and half axle gear machining precision is high.

Description

Positioning fixture for machining half axle gear

Technical Field

The utility model relates to a differential side gear processing technology field specifically is a positioning fixture is used in differential side gear processing.

Background

In the process of processing the half axle gear, firstly roughly processing a tooth profile, and then grinding and finely processing the surface of the tooth profile, wherein a clamp used in the grinding process basically uses a straight bevel gear pitch cone of the half axle gear as a positioning reference for positioning, and when the half axle gear is installed and used in the later stage by taking an internal spline as a reference, the shaft neck jump of the gear of the half axle is easy to be out of tolerance, so that the transmission of the internal gear is unstable, and the half axle gear is easy to make abnormal sound in the actual use process; therefore, the positioning clamp for machining the half axle gear is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a positioning fixture is used in differential side gear processing possesses the fixed stable advantage of differential side gear, has solved traditional anchor clamps and has added man-hour in the location of differential side gear, the easy out-of-tolerance problem of differential side gear face runout.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a positioning fixture is used in half axle gear processing, including left base and right base, the right side fixedly connected with frock of left side base, left side base has the integral key shaft with the inside grafting of frock, the integral key shaft alternates the frock and extends to the right-hand of frock, half axle gear has been cup jointed on the integral key shaft, half axle gear contacts with the right side of frock.

The left side fixedly connected with reference column of right side base, the constant head tank has been seted up to the inside of reference column, the right-hand member of integral key shaft is inside the constant head tank, the left side fixedly connected with cushion of reference column, the cushion contacts with the differential side gear.

Furthermore, the inside of left side base and right base is fixedly connected with cylinder respectively, the cylinder has two.

Furthermore, one side sliding connection that the cylinder is close to the side gear has the cylinder post, the cylinder post is pegged graft respectively inside left base and right base.

Furthermore, the cylinder post is kept away from the one end fixedly connected with top of cylinder, top pegs graft respectively inside left base and right base.

Furthermore, two tip grooves are formed in the left end and the right end of the spline shaft respectively, and the tip grooves and the tips are located at the same horizontal height.

Furthermore, one end of the center close to the spline shaft is matched with the appearance of the center groove, and the center is inserted into the center groove.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this positioning fixture is used in half axle gear processing through setting up top, through cup jointing half axle gear on the integral key shaft, the top spline shaft of rethread is fixed to the realization is fixed a position half axle gear's internal spline, processes as the benchmark through the internal spline that uses half axle gear, thereby makes half axle gear's the precision of coming out higher.

2. This positioning fixture is used in semi-axis gear processing extrudees semi-axis gear through the reference column to fix semi-axis gear between reference column and frock, thereby make semi-axis gear fixed more stable firm.

Drawings

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

FIG. 2 is an enlarged view of portion A of FIG. 1 according to the present invention;

FIG. 3 is a side view of the spline shaft of the present invention.

In the figure: 1 left base, 2 frocks, 3 constant head tank, 4 right bases, 5 cylinders, 6 cylinder posts, 7 reference columns, 8 side gears, 9 spline shafts, 10 apexes, 11 apex grooves, 12 cushions.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, the positioning fixture for machining the side gear in the embodiment includes a left base 1 and a right base 4, a tool 2 is fixedly connected to the right side of the left base 1, a spline shaft 9 is inserted into the left base 1 and the tool 2, the spline shaft 9 penetrates through the tool 2 and extends to the right side of the tool 2, a side gear 8 is sleeved on the spline shaft 9, and the side gear 8 contacts with the right side of the tool 2.

Wherein, left side base 1 is fixed inside the lathe, can't remove, and right side base 4 is connected with the inside hydraulic system of lathe, can remove about, and frock 2 passes through threaded rod fixed connection on left side base 1, through dismantling the threaded rod, can conveniently dismantle frock 2 from left side base 1, and the centre bore has been seted up to differential side gear 8's inside, and the inside processing of centre bore has an internal spline, and integral key shaft 9 and differential side gear 8's internal spline size phase-match, and integral key shaft 9 just can pass and insert differential side gear 8.

The left side fixedly connected with reference column 7 of right base 4, constant head tank 3 has been seted up to the inside of reference column 7, and integral key shaft 9's right-hand member is inside constant head tank 3, the left side fixedly connected with cushion 12 of reference column 7, and cushion 12 contacts with side gear 8.

Wherein, prevent through reference column 7 through cushion 12 and weigh differential gear 8, when moving about cylinder 5, can drive reference column 7 and remove about, drive cushion 12 and differential gear 8 contact through reference column 7, can extrude fixedly to differential gear 8.

In this embodiment, inside difference fixedly connected with cylinder 5 of left base 1 and right base 4, cylinder 5 has two, one side sliding connection that cylinder 5 is close to differential side gear 8 has cylinder post 6, cylinder post 6 is pegged graft respectively inside left base 1 and right base 4, cylinder post 6 keeps away from cylinder 5's one end fixedly connected with top 10, top 10 is pegged graft respectively inside left base 1 and right base 4, two top grooves 11 have been seted up respectively at the left and right both ends of integral key shaft 9, top groove 11 is at same level with top 10, top 10 is close to the one end of integral key shaft 9 and suits with the outward appearance in top groove 11, top 10 is pegged graft inside top groove 11.

Wherein, the cylinder 5 can drive cylinder post 6 and remove about, top groove 11 is the bell jar, top groove 11 and top 10 most advanced phase-match, peg graft inside top groove 11 through top 10, can fix spline shaft 9 through top 10 extrusion, when right base 4 moves left and drives reference column 7 and extrude solid to spline shaft 8, top 10 on the right side should guarantee to be in constriction device, top 10 on the right side moves the in-process with right base 4 together, can directly not contact with integral key shaft 9, top 10 has been prevented to be outstanding state, cushion 12 has not contacted with differential side gear 8 yet, top 10 on the right side pegs graft earlier inside top groove 11, wear out integral key shaft 9 top.

The working principle of the embodiment is as follows:

the half shaft gear 8 is sleeved on the spline shaft 9, one end of the spline shaft 9 is inserted into the tooling 2, at the moment, the right base 4 is driven to move through a hydraulic system on a lathe, the right base 4 drives the positioning column 7 to move, and finally the right base is in contact with the right side of the half shaft gear 8 through the cushion 12, so that the half shaft gear 8 is extruded between the tooling 2 and the positioning column 7, the half shaft gear 8 is fixed, two air cylinders 5 are started at the moment, the air cylinder 5 drives the air cylinder column 6 to move, the air cylinder column 6 drives the tip 10 to move towards the direction close to the spline shaft 9, the tip 10 is finally moved and inserted into the tip groove 11, the spline shaft 9 is extruded inside the tip groove 11 through the insertion of the two tips 10, so that the spline shaft 9 is fixed, the half shaft gear 8 is fixed through the tooling 2 and the positioning column 7, the internal spline of the half shaft gear 8 is positioned through the spline shaft 9, the spline shaft 9 is fixed through the two tips 10, so that the internal spline shaft 8 of the half shaft gear is positioned, so that the processed half shaft gear 8 has higher precision and the probability of abnormal sound is smaller.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

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 (6)

1. The utility model provides a positioning fixture is used in half axle gear processing, including left base (1) and right base (4), its characterized in that: the right side of the left base (1) is fixedly connected with a tool (2), a spline shaft (9) is inserted into the left base (1) and the tool (2), the spline shaft (9) penetrates through the tool (2) and extends to the right of the tool (2), a half axle gear (8) is sleeved on the spline shaft (9), and the half axle gear (8) is in contact with the right side of the tool (2);

the utility model discloses a spline shaft, including right side base (4), left side fixedly connected with reference column (7), constant head tank (3) have been seted up to the inside of reference column (7), the right-hand member of integral key shaft (9) is inside constant head tank (3), left side fixedly connected with cushion (12) of reference column (7), cushion (12) contact with differential side gear (8).

2. The positioning jig for side gear machining according to claim 1, characterized in that: the inside difference fixedly connected with cylinder (5) of left side base (1) and right base (4), cylinder (5) have two.

3. The positioning jig for side gear machining according to claim 2, characterized in that: one side of the air cylinder (5) close to the half axle gear (8) is connected with an air cylinder column (6) in a sliding mode, and the air cylinder column (6) is inserted into the left base (1) and the right base (4) in an inserting mode respectively.

4. The positioning jig for side gear machining according to claim 3, characterized in that: one end, far away from the air cylinder (5), of the air cylinder column (6) is fixedly connected with a tip (10), and the tip (10) is respectively inserted into the left base (1) and the right base (4).

5. The positioning jig for side gear machining according to claim 4, characterized in that: two tip grooves (11) are formed in the left end and the right end of the spline shaft (9) respectively, and the tip grooves (11) and the tips (10) are located at the same horizontal height.

6. The positioning jig for side gear machining according to claim 5, characterized in that: one end of the tip (10) close to the spline shaft (9) is matched with the appearance of the tip groove (11), and the tip (10) is inserted into the tip groove (11).

Images