CN212652833U - Differential mechanism shell mills tooth clamping device - Google Patents

Differential mechanism shell mills tooth clamping device Download PDF

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Publication number
CN212652833U
CN212652833U CN202021080200.XU CN202021080200U CN212652833U CN 212652833 U CN212652833 U CN 212652833U CN 202021080200 U CN202021080200 U CN 202021080200U CN 212652833 U CN212652833 U CN 212652833U
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China
Prior art keywords
differential case
boss
differential
screw rod
groove
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CN202021080200.XU
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Chinese (zh)
Inventor
代廷林
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Hefei Chuanjie Machinery Co ltd
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Hefei Chuanjie Machinery Co ltd
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Abstract

The utility model discloses a gear milling clamping device for a differential case, which comprises a base, wherein the upper end of the base is provided with a placing groove, and the bottom surface of the placing groove is an inclined surface and is consistent with the inclined angle of the end conical surface of the differential case; the novel rotary table is characterized in that an indexing disc is fixedly mounted in the placing groove, a fixing seat is connected to the rotary table surface of the indexing disc through bolts, a boss integrated with the fixing seat is arranged on the fixing seat, a vertical edge integrated with the boss is arranged on the outer ring of the boss, the diameter of the inner ring of the vertical edge is consistent with the outer diameter of the lower end of the differential case, threaded holes corresponding to hole sites on a flange plate at the lower end of the differential case are arranged on the boss along the axis circumference in an array mode, a screw rod is connected to the threaded holes through threads, and a locking nut is connected to the upper end. The utility model discloses conveniently mill forked tail tooth's socket processing, improve the machining precision.

Description

Differential mechanism shell mills tooth clamping device
The technical field is as follows:
the utility model relates to a differential mechanism shell processing technology field especially relates to a differential mechanism shell mills tooth clamping device.
Background art:
the automobile differential is an important component in automobile transmission, and the automobile differential can enable left and right (or front and rear) driving wheels to rotate at different rotating speeds; the differential mechanism mainly comprises a left half shaft gear, a right half shaft gear, two planetary gears and a differential mechanism shell used as a gear carrier, and has the function of enabling left and right wheels to roll at different rotating speeds when an automobile turns or runs on an uneven road surface, namely ensuring that the two sides of the automobile drive the wheels to do pure rolling motion.
The differential case is a shell of an automobile differential, dovetail teeth are arranged on a tapered inclined plane at the end part of the differential case, the dovetail teeth need to be milled in the machining process, the machining position of the dovetail teeth is an inclined plane, and a workpiece needs to be clamped obliquely, so that an auxiliary clamping device for milling the dovetail teeth on the inclined plane at the end part of the differential case needs to be designed for positioning the differential case.
The utility model has the following contents:
the utility model aims at solving the technical problem that the dovetail teeth are arranged on the tapered inclined plane at the end part of the differential case to clamp and position workpieces in the milling process, and providing a differential case milling tooth clamping device.
In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:
a gear milling clamping device for a differential case comprises a base, wherein a placing groove is formed in the upper end of the base, and the bottom surface of the placing groove is an inclined surface and is consistent with the inclined angle of a conical surface at the end part of the differential case; the novel rotary table is characterized in that an indexing disc is fixedly mounted in the placing groove, a fixing seat is connected to the rotary table surface of the indexing disc through bolts, a boss integrated with the fixing seat is arranged on the fixing seat, a vertical edge integrated with the boss is arranged on the outer ring of the boss, the diameter of the inner ring of the vertical edge is consistent with the outer diameter of the lower end of the differential case, threaded holes corresponding to hole sites on a flange plate at the lower end of the differential case are arranged on the boss along the axis circumference in an array mode, a screw rod is connected to the threaded holes through threads, and a locking nut is connected to the upper end.
Furthermore, the upper end surface of the boss is positioned at the inner side of the vertical edge and is provided with a slag discharge groove which is circumferentially arranged, and the vertical edge is provided with a material leakage notch and the notch is positioned at the outer edge of the slag discharge groove.
Furthermore, the bottom of the fixed seat is provided with a positioning column which protrudes downwards, and the positioning column is inserted into a central hole of the rotary worktable of the dividing plate.
Furthermore, the upper end of the screw rod is provided with a rotary groove, and the section of the rotary groove is hexagonal.
Furthermore, a gasket and a spring washer are sleeved on the screw rod in a penetrating manner, the gasket and the spring washer are located below the locking nut, the spring washer is located between the gasket and the locking nut, and the gasket is used for being attached to the end face of the workpiece and clamping the workpiece.
The index plate is an MRNC-320N index plate in the prior art.
The utility model provides a pair of differential mechanism shell mills tooth clamping device has following beneficial effect: when the tool is used, a differential case workpiece is reversely buckled on the fixed seat, the end part of the differential case is positioned in the inner ring of the vertical edge and is radially limited through the vertical edge, the screw rod penetrates through the connecting hole in the differential case and axially limits the differential case through the locking nut, the differential case is locked by the screw rod to prevent rotation, the differential case is clamped and positioned, the machining precision is improved, and in addition, one side of the conical surface at the upper end of the differential case is kept horizontal through the inclined arrangement of the base, so that the dovetail tooth groove milling is convenient; the upper end of the boss is provided with the slag discharging groove, and the notch is formed, so that sundries such as processing scraps on the boss can be conveniently swept, the scraps on the boss can be brushed and swept into the groove when being swept, and the scraps can be swept out from the notch on the outer side of the groove, so that the sundries are prevented from falling on the upper surface of the boss to influence workpiece positioning; the upper end of the screw rod is provided with the rotary groove, so that the screw rod can be conveniently screwed and loosened, and the height of the screw rod can be conveniently adjusted.
Description of the drawings:
the following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings:
fig. 1 is a schematic front view of a differential case gear milling clamping device according to the present invention;
FIG. 2 is a partial structural view of the portion C in FIG. 1;
fig. 3 is a schematic front view of a fixing seat of the milling tooth clamping device for a differential case according to the present invention;
fig. 4 is a schematic top view of a fixing seat of a milling tooth clamping device for a differential case according to the present invention;
fig. 5 is a schematic view of a usage status of the gear milling clamping device for a differential case according to the present invention.
The reference numbers in the figures illustrate: 1. a base; 11. placing a groove; 2. an index plate; 21. a rotary table; 3. a fixed seat; 31. a boss; 32. standing; 33. a slag discharge groove; 34. a material leakage gap; 35. a positioning column; 4. a screw; 41. locking the nut; 42. rotating the groove; 43. a gasket; 44. a spring washer; A. a differential case; B. dovetail tooth grooves.
The specific implementation mode is as follows:
it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
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 belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as up-down-left-right-front-back … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components in a specific posture (as shown in the drawings) -motion situation, etc., and if the specific posture is changed, the directional indicator is changed accordingly, and the connection may be a direct connection or an indirect connection.
As shown in fig. 1-4, a differential case gear milling clamping device comprises a base 1, wherein a placing groove 11 is formed in the upper end of the base 1, and the bottom surface of the placing groove 11 is an inclined surface and is consistent with the inclined angle of the end conical surface of the differential case; place fixed mounting in the recess 11 and have graduated disk 2, be equipped with on the rotary table 21 of graduated disk 2 and have fixing base 3 through bolted connection, be equipped with on the fixing base 3 with 3 integrative bosss 31 of fixing base, the outer lane of boss 31 is equipped with the stile 32 with boss 31 an organic whole, the inner circle diameter of stile 32 is unanimous with differential case A's lower extreme external diameter, arrange the screw hole that corresponds with hole site on the differential case A lower extreme ring flange along axis border array on the boss 31, there is screw rod 4 through threaded connection in the screw hole, there is lock nut 41 upper end through threaded connection of screw rod 4.
Specifically, the upper end surface of the boss 31 is provided with a slag discharge groove 33 arranged circumferentially at the inner side of the vertical edge 32, and the vertical edge 32 is provided with a material leakage notch 34 and the notch is located at the outer edge of the slag discharge groove 33.
Specifically, the bottom of the fixed seat 3 is provided with a positioning column 35 protruding downwards, and the positioning column 35 is inserted into a central hole of the rotary table 21 of the dividing plate 2.
Specifically, the upper end of the screw rod 4 is provided with a rotating groove 42, and the section of the rotating groove 42 is an inner hexagon.
Specifically, the screw rod 4 is sleeved with a spacer 43 and a spring washer 44 in a penetrating manner, the spacer 43 and the spring washer 44 are located below the lock nut 41, the spring washer 44 is located between the spacer 43 and the lock nut 41, and the spacer 43 is used for being attached to the end face of the workpiece and clamping the workpiece.
The indexing disc 2 is an MRNC-320N indexing disc in the prior art, such as a cuphen MRNC-320N indexing disc.
By adopting the technical scheme, when the tool is used, as shown in fig. 5, a workpiece of the differential case A is reversely buckled on the fixed seat 3, the end part of the differential case A is positioned in the inner ring of the vertical edge 32 and is radially limited by the vertical edge 32, the screw rod 4 penetrates through the connecting hole in the differential case and axially limits the differential case through the locking nut 41, the differential case A is locked by the screw rod 4 to prevent rotation, and further the differential case A is clamped and positioned, so that the machining precision is improved, and one side of the conical surface at the upper end of the differential case A is kept horizontal through the inclined arrangement of the base 1, so that the dovetail tooth groove B can be conveniently milled; the upper end of the boss 31 is provided with the slag discharging groove 33, and the notch is arranged, so that sundries such as processing scraps on the boss 31 can be conveniently swept away, when the scraps on the boss 31 are swept, the scraps can be swept into the groove and swept out from the notch on the outer side of the groove, and the phenomenon that the sundries fall on the upper surface of the boss 31 to influence workpiece positioning is avoided; the upper end of the screw rod 4 is provided with the rotary groove 42, so that the screw rod 4 can be conveniently screwed and loosened, and the height of the screw rod 4 can be conveniently adjusted.
The foregoing shows and describes the general principles, essential features, and features of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the description of the above embodiments and the description is only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and these changes and modifications are all within the scope of the present invention as claimed. The scope of the invention is to be protected by the following claims and their equivalents.

Claims (5)

1. The utility model provides a differential mechanism shell gear milling clamping device which characterized in that: the differential gear comprises a base (1), wherein a placing groove (11) is formed in the upper end of the base (1), and the bottom surface of the placing groove (11) is an inclined surface and is consistent with the inclined angle of the conical surface at the end part of a differential case; place fixed mounting in recess (11) have graduated disk (2), be equipped with on the rotary table face of graduated disk (2) through bolted connection with fixing base (3), be equipped with on fixing base (3) with integrative boss (31) of fixing base (3), the outer lane of boss (31) is equipped with stile (32) integrative with boss (31), the inner circle diameter of stile (32) is unanimous with the lower extreme external diameter of differential case shell, boss (31) are gone up and are arranged the screw hole that corresponds with hole site on the flange plate of differential case lower extreme along axis periphery array, there are screw rod (4) through threaded connection in the screw hole, there is lock nut (41) upper end through threaded connection of screw rod (4).
2. The differential case gear milling clamping device of claim 1, wherein: the upper end surface of the boss (31) is positioned at the inner side of the vertical edge (32) and is provided with a slag discharging groove (33) which is circumferentially arranged, the vertical edge (32) is provided with a material leakage notch (34) and the notch is positioned at the outer edge of the slag discharging groove (33).
3. The differential case gear milling clamping device of claim 1, wherein: the bottom of the fixed seat (3) is provided with a positioning column (35) protruding downwards, and the positioning column (35) is inserted into a central hole of the rotary working table of the dividing plate (2).
4. The differential case gear milling clamping device of claim 1, wherein: the upper end of the screw rod (4) is provided with a rotary groove (42), and the section of the rotary groove (42) is hexagonal.
5. The differential case gear milling clamping device of claim 1, wherein: the screw rod (4) is sleeved with a gasket (43) and a spring washer (44) in a penetrating mode, the gasket (43) and the spring washer (44) are located below the locking nut (41), the spring washer (44) is located between the gasket (43) and the locking nut (41), and the gasket (43) is used for being attached to the end face of a workpiece and clamping the workpiece.
CN202021080200.XU 2020-06-12 2020-06-12 Differential mechanism shell mills tooth clamping device Active CN212652833U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021080200.XU CN212652833U (en) 2020-06-12 2020-06-12 Differential mechanism shell mills tooth clamping device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021080200.XU CN212652833U (en) 2020-06-12 2020-06-12 Differential mechanism shell mills tooth clamping device

Publications (1)

Publication Number Publication Date
CN212652833U true CN212652833U (en) 2021-03-05

Family

ID=74754050

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021080200.XU Active CN212652833U (en) 2020-06-12 2020-06-12 Differential mechanism shell mills tooth clamping device

Country Status (1)

Country Link
CN (1) CN212652833U (en)

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