CN219212847U

CN219212847U - Positioning fixture is used in automobile wheel hub processing

Info

Publication number: CN219212847U
Application number: CN202223116551.3U
Authority: CN
Inventors: 代发; 王敏志
Original assignee: Wuhu Feikete Precision Machinery Co ltd
Current assignee: Wuhu Feikete Precision Machinery Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-06-20
Anticipated expiration: 2032-11-23

Abstract

The utility model relates to the technical field of clamps, in particular to a positioning clamp for processing an automobile hub, which comprises an automobile hub, wherein the automobile hub is arranged at the upper end of the positioning clamp, a channel is arranged in the positioning clamp, a screw rod is arranged in the channel, one end of the screw rod penetrates through the tail part of the positioning clamp, the other end of the screw rod is inserted into the inner wall of the positioning clamp, the screw rod is meshed with a screw seat, a movable clamping block is arranged at the upper end of the screw seat, arc clamping plates are arranged on clamping surfaces of the movable clamping block and the fixed clamping block, the fixed clamping block is arranged on the top surface of the positioning clamp and deviates from the front end, a positioning pin is arranged between the fixed clamping block and the movable clamping block, the positioning pin is fixed on a circular concave table arranged on the positioning clamp, and the positioning clamp for processing the automobile hub clamps the outer diameter of the automobile hub through two groups of arc clamping plates, and the upper end and the lower end of the automobile hub can be positioned and clamped through the positioning pin and a locking nut.

Description

Positioning fixture is used in automobile wheel hub processing

Technical Field

The utility model relates to the technical field of positioning fixtures, in particular to a positioning fixture for machining an automobile hub.

Background

The automobile hub is an important component part of automobile parts, the hub is a part of the center of the wheel, where an axle is arranged, namely a rim or a steel ring, and is easy to be stained with dirt, and if the automobile hub is not cleaned for a long time, the automobile hub is possibly corroded and deformed, so that potential safety hazards are generated; therefore, special attention is paid to maintenance of the hub;

the utility model provides an automobile hub anchor clamps of bulletin number CN210414215U, belong to the automobile processing field, an automobile hub anchor clamps, the on-line screen storage device comprises a base, the equal fixedly connected with riser in upper end both sides of base, two riser upper ends fixedly connected with loading board, the upper end middle part fixedly connected with electric telescopic cylinder of base, the flexible end of electric telescopic cylinder runs through loading board and fixedly connected with intermediate strut portion, the bar groove has been seted up to the inside of base, rotate and be connected with the screw rod between the relative inner wall of bar groove, fixed mounting has the positive and negative rotating motor that carries out the drive to the screw rod on the lateral wall of base, the equal screw thread in both sides of screw rod has cup jointed and has removed the cover, height adjustment through intermediate strut portion carries out, the level adjustment that lateral part clamping mechanism carries out, and the cooperation is located the arc clamping pad that has certain elasticity and movable range on the lateral part clamping mechanism.

The above-mentioned patent is rotatory through positive and negative rotating machine and is driven the screw rod to drive clamping mechanism through the screw rod and carry out the centre gripping to automobile wheel hub, solved and be convenient for fixed automobile wheel hub and be convenient for detect and maintain, but this patent still has following problem:

the clamping can be performed only through electric power, and the automobile hub cannot be positioned and clamped, so that the existing requirements are not met, and a positioning clamp for automobile hub machining is provided.

Disclosure of Invention

The utility model aims to provide a positioning fixture for processing an automobile hub, which drives a movable clamping block linked on a screw seat through the rotation of a screw rod, effectively clamps the automobile hub through two groups of arc clamping plates, can also aim at the central hole of the automobile hub and insert a positioning pin, and places the bottom end of the automobile hub into a circular concave table which is attached, and is matched with a locking nut to carry out positioning clamping.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a positioning fixture is used in automobile wheel hub processing, includes automobile wheel hub, and automobile wheel hub installs in positioning fixture's upper end, and positioning fixture's inside is provided with the channel, and the internally mounted of channel has the lead screw, and the afterbody of positioning fixture is run through to the one end of lead screw, and on positioning fixture's the inner wall was inserted to the other end of lead screw, lead screw and spiral shell seat meshing, movable clamp splice is installed to the upper end of spiral shell seat, and movable clamp splice and fixed clamp splice's clamping face all are provided with arc splint, and fixed clamp splice installs in positioning fixture's top surface and deviates from the front end, be equipped with the locating pin on the circular concave station that positioning fixture was equipped with, circular concave station is laminated mutually with automobile wheel hub's external diameter bottom.

Preferably, the upper end and the lower end of the locating pin are respectively provided with threads, the threads are respectively matched with the locking nut and the threaded hole, and the threaded hole is arranged in the center of the circular concave table.

Preferably, the bottom surface of lock nut is hollow and is equipped with the screw thread, and lock nut's upper end is provided with outer hexagonal boss, and the top surface of outer hexagonal boss is provided with hexagonal hole, and outer hexagonal boss and hexagonal hole all match at hexagonal angle spanner and outer hexagonal spanner.

Preferably, the screw rod penetrating through the tail part of the positioning clamp is connected with a fixed wrench.

Preferably, the center of the automobile hub is provided with a center hole, and the inner diameter of the center hole is attached to the outer diameter of the positioning pin.

Preferably, the arc clamping plate is fixed on the clamping surfaces of the fixed clamping block and the movable clamping block through a cylinder.

Compared with the prior art, the utility model has the following beneficial effects:

1. this positioning fixture for automobile wheel hub processing drives the movable clamp splice that links on the spiral shell seat through the lead screw is rotatory to through the effectual centre gripping of two sets of arc splint to automobile wheel hub.

2. This positioning fixture for automobile wheel hub processing aims at automobile wheel hub's centre bore and inserts through the locating pin to put into automobile wheel hub's bottom in the circular concave station of laminating, cooperate lock nut to fix a position the centre gripping.

Drawings

FIG. 1 is an overall view of a positioning fixture for machining an automobile hub in accordance with the present utility model;

FIG. 2 is an exploded view of the positioning fixture for machining an automobile hub of the present utility model;

FIG. 3 is a view of an automobile hub of the positioning fixture for machining an automobile hub of the present utility model;

FIG. 4 is a part drawing of the positioning fixture for machining the automobile hub of the present utility model;

fig. 5 is a part view of the positioning jig for machining an automobile hub of the present utility model.

In the figure: 1. an automobile hub; 11. a central bore; 12. a threaded hole; 2. positioning a clamp; 21. a circular concave table; 3. a channel; 4. a screw rod; 41. a fixed wrench; 5. a screw seat; 6. a movable clamping block; 7. fixing the clamping blocks; 8. an arc clamping plate; 81. a cylinder; 9. a positioning pin; 91. a thread; 92. a lock nut; 93. an outer hexagonal boss; 931. an outer hexagonal wrench; 94. a hexagonal hole; 941. an internal angle wrench.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order to solve the problem that the automobile hub cannot be clamped and positioned conveniently and effectively during daily processing, the following technical scheme is provided in this embodiment, please refer to fig. 1:

the utility model provides a positioning fixture for automobile wheel hub processing, including automobile wheel hub 1, automobile wheel hub 1 installs the upper end at positioning fixture 2, positioning fixture 2's inside is provided with channel 3, channel 3's internally mounted has lead screw 4, positioning fixture 2's afterbody is run through to lead screw 4's one end, on positioning fixture 2's the inner wall is inserted to lead screw 4's the other end, lead screw 4 and spiral shell seat 5 meshing, movable clamp splice 6 is installed to spiral shell seat 5's upper end, movable clamp splice 6 and fixed clamp splice 7's clamping face all are provided with arc splint 8, fixed clamp splice 7 installs in positioning fixture 2's top surface and leans on the front end, be equipped with locating pin 9 on positioning fixture 2's circular concave station 21, circular concave station 21 is laminated with automobile wheel hub 1's external diameter mutually bottom.

Specifically, place automobile wheel hub 1's bottom in circular concave station 21, rotate lead screw 4, lead screw 4 rotation drive spiral shell seat 5 and movable clamp splice 6, and movable clamp splice 6 and fixed clamp splice 7 pass through arc splint 8 with automobile wheel hub 1 centre gripping, please refer to fig. 2:

the upper and lower both ends of locating pin 9 all are equipped with screw thread 91, and screw thread 91 matches with lock nut 92 and screw hole 12 respectively, and screw hole 12 locates the center of circular concave station 21.

Specifically, the positioning pin 9 can be screwed or dismounted by rotating the screw 91 with the screw hole 12, and the lock nut 92 can be screwed or dismounted by rotating the screw 91 with the positioning pin 9, please refer to fig. 4 and 5:

the bottom surface of lock nut 92 is hollow and is equipped with the screw thread, and the upper end of lock nut 92 is provided with outer hexagonal boss 93, and the top surface of outer hexagonal boss 93 is provided with hexagonal hole 94, and outer hexagonal boss 93 and hexagonal hole 94 all match in hexagonal spanner 941 and outer hexagonal spanner 931.

Specifically, the screw thread and the thread 91 can rotate to tighten, and the outer hexagonal boss 93 and the hexagonal hole 94 facilitate rotation of the inner hexagonal wrench and the outer hexagonal wrench, please refer to fig. 1:

the screw rod 4 penetrating through the tail part of the positioning clamp 2 is connected with a fixed wrench 41.

Specifically, the fixed wrench 41 is rotated to drive the screw 4, please refer to fig. 3:

the center of the automobile hub 1 is provided with a center hole 11, and the inner diameter of the center hole 11 is attached to the outer diameter of the positioning pin 9.

Specifically, the positioning pin 9 is inserted into the central hole 11, and is screwed by the lock nut 92 to complete the clamping of the positioning, please refer to fig. 2:

the arc clamping plates 8 provided with two groups are fixed on the clamping surfaces of the fixed clamping block 7 and the movable clamping block 6 through a plurality of groups of cylinders 81.

Specifically, the arc clamping plates 8 are used for clamping the outer diameter of the automobile hub 1, and the upper end and the lower end of the automobile hub 1 can be clamped in a positioning manner by loosening the arc clamping plates 8 on two sides through the lock nuts 92 and the positioning pins 9.

Working principle: the bottom of the automobile hub 1 is placed in the circular concave table 21, the screw rod 4 is rotated, the screw rod 4 rotates to drive the screw seat 5 and the movable clamping block 6, the movable clamping block 6 and the fixed clamping block 7 clamp the automobile hub 1 through the arc clamping plate 8, the positioning pin 9 is inserted into the central hole 11 and is screwed down through the locking nut 92, the upper end and the lower end of the automobile hub 1 can be clamped in a positioning manner, and the outer hexagonal boss 93 and the hexagonal hole 94 facilitate the rotation tightness of the six-inner angle wrench 941 and the outer hexagonal wrench 931.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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.

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

Claims

1. The utility model provides a positioning fixture is used in automobile wheel hub processing, includes automobile wheel hub (1), its characterized in that: the automobile hub (1) is installed at the upper end of positioning fixture (2), the inside of positioning fixture (2) is provided with channel (3), the internally mounted of channel (3) has lead screw (4), and the afterbody of positioning fixture (2) is run through to the one end of lead screw (4), and on the inner wall of positioning fixture (2) was inserted to the other end of lead screw (4), lead screw (4) and spiral shell seat (5) meshing, movable clamp splice (6) are installed to the upper end of spiral shell seat (5), and the clamping face of movable clamp splice (6) and fixed clamp splice (7) all is provided with arc splint (8), and fixed clamp splice (7) are installed in the top surface of positioning fixture (2) and are inclined to the front end, be provided with locating pin (9) on circular concave station (21) that positioning fixture (2) are equipped with, circular concave station (21) are laminated with the external diameter of automobile hub (1) bottom.

2. The positioning fixture for machining an automobile hub according to claim 1, wherein: the upper end and the lower end of the locating pin (9) are respectively provided with a thread (91), the threads (91) are respectively matched with the lock nut (92) and the threaded hole (12), and the threaded hole (12) is arranged at the center of the circular concave table (21).

3. The positioning fixture for machining an automobile hub according to claim 2, wherein: the bottom surface cavity of lock nut (92) is equipped with the screw thread, and the upper end of lock nut (92) is provided with outer hexagonal boss (93), and the top surface of outer hexagonal boss (93) is provided with hexagonal hole (94), and outer hexagonal boss (93) and hexagonal hole (94) all match in hexagonal spanner (941) and outer hexagonal spanner (931).

4. The positioning fixture for machining an automobile hub according to claim 1, wherein: and a screw rod (4) penetrating through the tail part of the positioning clamp (2) is connected with a fixed wrench (41).

5. The positioning fixture for machining an automobile hub according to claim 1, wherein: the center of the automobile hub (1) is provided with a center hole (11), and the inner diameter of the center hole (11) is attached to the outer diameter of the positioning pin (9).

6. The positioning fixture for machining an automobile hub according to claim 1, wherein: the arc clamping plate (8) is fixed on the clamping surfaces of the fixed clamping block (7) and the movable clamping block (6) through a cylinder (81).