CN212470597U

CN212470597U - Automobile double-H shell machining clamp

Info

Publication number: CN212470597U
Application number: CN202020876723.9U
Authority: CN
Inventors: 刘浩
Original assignee: Shenzhen Huachengrui Electromechanical Technology Co ltd
Current assignee: Shenzhen Huachengrui Electromechanical Technology Co ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2021-02-05
Anticipated expiration: 2030-05-22

Abstract

The utility model relates to an automobile manufacturing technical field, and a two H casing processing fixture of car is disclosed, which comprises a mounting bas, the top of mount pad is equipped with the bottom plate, the lower extreme of bottom plate rotates through first antifriction bearing and is connected with the bull stick, and the upper end fixed connection of the lower extreme of bull stick and mount pad, the upper end fixedly connected with U-shaped plate of bottom plate, there is compression screw in the upper end of U-shaped plate through first screw hole threaded connection, and compression screw's lower extreme fixedly connected with compression plate, the bottom plate is connected with stop gear and is connected with the mount pad through stop gear, stop gear includes the worm wheel, the worm, a limit threaded rod and an internal thread section of thick bamboo, the cavity has been seted. The utility model discloses machining efficiency can be effectively improved to reduce the possibility of processing deviation, convenient to use is swift simultaneously, and can continuously cool down processing department, in order to improve the life of lathe tool.

Description

Automobile double-H shell machining clamp

Technical Field

The utility model relates to an automobile manufacturing technical field especially relates to a two H casing processing fixtures of car.

Background

The double-H shell of the automobile is a shell of the automobile speed changing device of the diesel engine, the double-H shell of the automobile is a cuboid box body, and the left side and the right side of the box body along the length direction are respectively provided with a circular box opening which is communicated with the inner cavity of the box body and has the axis on the same straight line.

At present, the double-H shell of an automobile needs to be clamped by a clamping apparatus in the processing process, the turning processing is carried out on the circle center box opening of the shell through a lathe, the shell can be clamped by the existing clamping apparatus, but after one circle center box opening is processed, the clamping apparatus needs to be loosened and the shell needs to be turned again, so that the other box opening is processed, the processing efficiency is seriously influenced, after the clamping is carried again, the two circle center box openings can be mutually deviated, and the processing precision is influenced, therefore, the double-H shell processing clamping apparatus for the automobile is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art fixture though can clip the casing, but after having processed one of them centre of a circle case mouth, need loosen fixture and transfer the casing again to process another case mouth, seriously influence machining efficiency, clip the back again, two centre of a circle case mouths still can squint each other, influence the problem of machining precision, and the two H casings of car processing fixture that provide.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a double-H shell processing clamp for an automobile comprises a mounting seat, wherein a bottom plate is arranged above the mounting seat, the lower end of the bottom plate is rotatably connected with a rotating rod through a first rolling bearing, the lower end of the rotating rod is fixedly connected with the upper end of the mounting seat, the upper end of the bottom plate is fixedly connected with a U-shaped plate, the upper end of the U-shaped plate is in threaded connection with a pressing screw through a first threaded hole, the lower end of the pressing screw is fixedly connected with a pressing plate, the bottom plate is connected with a limiting mechanism and is connected with the mounting seat through the limiting mechanism, the limiting mechanism comprises a worm wheel, a worm, a limiting threaded rod and an internal threaded cylinder, a cavity is formed in the right side of the inner part of the bottom plate, the upper end of the rod wall of the limiting threaded rod is rotatably connected with the upper side wall of the cavity through a second rolling bearing, the upper end of the rod wall of the, and the worm extends to inside the cavity, the worm wheel is connected with the worm meshing, the lower lateral wall of cavity seted up with the spacing through-hole of internal thread section of thick bamboo assorted, the equal fixedly connected with slider in lateral wall upper end about the internal thread section of thick bamboo, and the lateral wall all seted up with slider assorted spout about spacing through-hole, the inside wall of internal thread section of thick bamboo and limit threaded rod's pole wall threaded connection, the upper end left and right sides of mount pad all seted up with internal thread section of thick bamboo assorted spacing groove, and two spacing grooves are about the axis symmetry setting of bull stick, the upper end four corners department of mount pad all has the construction bolt through second screw hole threaded connection.

Preferably, both sides all are equipped with the push pedal around the top of bottom plate, and the equal fixedly connected with thread piece of the lower extreme of two push pedals, both sides all seted up around the upper end of bottom plate with thread piece assorted recess, two the lateral wall of recess all rotates jointly through fourth antifriction bearing and is connected with two-way threaded rod, two the lateral wall of thread piece respectively with two-way threaded rod's both ends threaded connection around the pole wall.

Preferably, the upper end of the mounting seat is provided with an L-shaped vent hole, and a heat dissipation fan is fixedly arranged on the horizontal portion inside the L-shaped vent hole.

Preferably, the upper end of the vertical portion in the L-shaped ventilation hole and the left end of the horizontal portion are both fixedly provided with a protective net, and the right end of the lower side wall of the horizontal portion of the L-shaped ventilation hole is provided with a liquid outlet hole.

Preferably, the upper end of the compression screw and the front end of the bidirectional threaded rod are fixedly connected with turntables.

Preferably, the lower end of the pressing plate and the side walls of the opposite sides of the two push plates are fixedly connected with rubber pads.

Compared with the prior art, the utility model provides a two H casing processing fixture of car possesses following beneficial effect:

1. this two H casing processing fixture of car, bottom plate through being equipped with, the U-shaped board, mutually supporting of housing screw and pressure strip, can accomplish the firm clamp of casing tightly, mutually supporting through mount pad and bull stick that are equipped with, after one side is accomplished in processing, the another side can be processed to direct rotatory 180, the casing need not transfer again, effectively improve machining efficiency, and the centre of a circle that can make two centre of a circle case mouths after the processing is located same axis, reduce the possibility of processing deviation, through the stop gear who is equipped with, can effectively spacing to the bottom plate, prevent that the bottom plate rotates at will in the process of processing, it can accomplish spacingly only to need to twist the worm, easy operation is convenient.

2. This two H casing processing fixture of car, through two push pedals that are equipped with, mutually supporting of two screw thread pieces and two-way threaded rod, the casing is located the central point department of putting of bottom plate when can promoting the casing, can do benefit to the position of people's short-term test casing, thereby can make things convenient for the position that people adjusted the lathe tool, improve the convenience of using, through the radiator fan that is equipped with, at the in-process of carrying out processing, the outside coolant liquid that sprays of cooperation, can continuously cool down processing department, in order to improve the life of lathe tool, do benefit to the processing and use.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can effectively improve machining efficiency to reduce the possibility of processing deviation, convenient to use is swift simultaneously, and can continuously cool down to the processing department, with the life who improves the lathe tool.

Drawings

Fig. 1 is a schematic structural view of a double-H-shell processing fixture for an automobile according to the present invention;

FIG. 2 is a schematic side view of a portion of FIG. 1;

FIG. 3 is an enlarged view of the portion A in FIG. 1;

fig. 4 is an enlarged view of a portion B of fig. 1.

In the figure: the device comprises a mounting base 1, a bottom plate 2, a rotating rod 3, a U-shaped plate 4, a compression screw rod 5, a compression plate 6, a worm wheel 7, a worm 8, a limit threaded rod 9, an internal threaded cylinder 10, a mounting bolt 11, a push plate 12, a threaded block 13, a bidirectional threaded rod 14, a heat dissipation fan 15, a protective screen 16, a rotating disc 17 and a rubber pad 18.

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.

Referring to fig. 1-4, an automobile double-H shell processing fixture comprises a mounting seat 1, a bottom plate 2 is arranged above the mounting seat 1, the lower end of the bottom plate 2 is rotatably connected with a rotating rod 3 through a first rolling bearing, the lower end of the rotating rod 3 is fixedly connected with the upper end of the mounting seat 1, the upper end of the bottom plate 2 is fixedly connected with a U-shaped plate 4, the upper end of the U-shaped plate 4 is in threaded connection with a compression screw 5 through a first threaded hole, the lower end of the compression screw 5 is fixedly connected with a compression plate 6, the bottom plate 2 is connected with a limiting mechanism and is connected with the mounting seat 1 through the limiting mechanism, the limiting mechanism comprises a worm wheel 7, a worm 8, a limiting threaded rod 9 and an internal threaded cylinder 10, a cavity is arranged on the right side inside the bottom plate 2, the upper end of the rod wall of the limiting threaded rod 9 is rotatably connected with the, the pole wall of worm 8 passes through third antifriction bearing and is connected with the right side wall upper end rotation of bottom plate 2, and inside worm 8 extended to the cavity, worm wheel 7 was connected with worm 8 meshing mutually, the lower lateral wall of cavity seted up with the spacing through-hole of internal thread section of thick bamboo 10 assorted, the equal fixedly connected with slider in lateral wall upper end about the internal thread section of thick bamboo 10, and the lateral wall all seted up with slider assorted spout about the spacing through-hole, the inside wall of internal thread section of thick bamboo 10 and the pole wall threaded connection of spacing threaded rod 9, the upper end left and right sides of mount pad 1 all seted up with the spacing groove of internal thread section of thick bamboo 10 assorted, and two spacing grooves set up about the axis symmetry of bull stick 3, the upper end four corners department of mount pad 1 all has mounting bolt 11 through.

Both sides all are equipped with push pedal 12 around the top of bottom plate 2, and the equal fixedly connected with thread piece 13 of the lower extreme of two push pedal 12, both sides all are seted up with thread piece 13 assorted recess around the upper end of bottom plate 2, the lateral wall of two recesses all rotates jointly through fourth antifriction bearing and is connected with two-way threaded rod 14, the lateral wall of two thread pieces 13 respectively with two-way threaded rod 14 around the pole wall both ends threaded connection, rotate two-way threaded rod 14, can make two thread pieces 13 rotate in opposite directions, thereby can make two push pedal 12 remove in opposite directions, and then can promote the casing and remove until pressing from both sides tightly, so that the casing is located bottom plate 2's center department, thereby can do benefit to the position of people's quick definite casing, and then can make things convenient for people to adjust the position of.

L shape ventilation hole has been seted up to the upper end of mount pad 1, and the fixed radiator fan 15 that is equipped with in inside horizontal part in L shape ventilation hole adds man-hour, starts radiator fan 15, can improve the air flow rate around the processing position department, and under the cooperation of external coolant liquid, can last effectively to reduce the temperature of lathe tool and processing department, the life of improvement lathe tool.

The inside vertical portion upper end in L shape ventilation hole and horizontal part left end are all fixed and are equipped with protection network 16, and lateral wall right-hand member has seted up out the liquid hole under the horizontal part in L shape ventilation hole, can prevent that the turning waste material from falling into inside the L shape ventilation hole, and it can in time discharge the coolant liquid that falls into the inside in L shape ventilation hole to go out the liquid hole.

The upper end of the compression screw 5 and the front end of the bidirectional threaded rod 14 are fixedly connected with turntables 17, and the compression screw 5 and the bidirectional threaded rod 14 can be rotated conveniently by rotating the two turntables 17.

The lower end of the pressing plate 6 and the side walls of the opposite sides of the two push plates 12 are fixedly connected with rubber pads 18, so that indentation damage to the shell due to overlarge pressing force and clamping force can be prevented.

In the utility model, when in use, the shell is placed on the bottom plate 2 through the bottom plate 2, the U-shaped plate 4, the compression screw 5 and the compression plate 6, the compression screw 5 is screwed to move the compression plate 6 downwards, so that the stable clamping of the shell can be completed, the installation seat 1 and the rotating rod 3 are arranged, after one surface is processed, the bottom plate 2 is directly rotated and rotated by 180 degrees, and the other surface can be processed without re-turning the shell, thereby effectively improving the processing efficiency, and the circle centers of two circle center box openings after processing can be positioned on the same axis, thereby reducing the possibility of processing deviation, through the worm wheel 7, the worm 8, the limit threaded rod 9 and the internal thread cylinder 10, after the rotation is completed, the worm 8 is screwed to rotate the worm wheel 7, thereby the limit threaded rod 9 can be rotated, and the internal thread cylinder 10 can be moved downwards and enter the limit groove, thereby can effectively spacing to bottom plate 2, prevent to rotate at will at the in-process bottom plate 2 of processing, only need to twist and move worm 8 and can accomplish spacingly, easy operation is convenient, when needing rotatory bottom plate 2, to opposite direction twist and move worm 8 can.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The automobile double-H shell processing clamp comprises a mounting seat (1) and is characterized in that a bottom plate (2) is arranged above the mounting seat (1), the lower end of the bottom plate (2) is rotatably connected with a rotating rod (3) through a first rolling bearing, the lower end of the rotating rod (3) is fixedly connected with the upper end of the mounting seat (1), the upper end of the bottom plate (2) is fixedly connected with a U-shaped plate (4), the upper end of the U-shaped plate (4) is in threaded connection with a compression screw (5) through a first threaded hole, the lower end of the compression screw (5) is fixedly connected with a compression plate (6), the bottom plate (2) is connected with a limiting mechanism and is connected with the mounting seat (1) through the limiting mechanism, the limiting mechanism comprises a worm wheel (7), a worm (8), a limiting threaded rod (9) and an internal threaded barrel (10), a cavity is formed in the right side of, the upper end of the rod wall of the limit threaded rod (9) is rotatably connected with the upper side wall of the cavity through a second rolling bearing, the upper end of the rod wall of the limit threaded rod (9) is fixedly sleeved with a worm wheel (7), the rod wall of the worm (8) is rotatably connected with the upper end of the right side wall of the bottom plate (2) through a third rolling bearing, the worm (8) extends into the cavity, the worm wheel (7) is meshed with the worm (8), the lower side wall of the cavity is provided with a limit through hole matched with the internal thread cylinder (10), the upper ends of the left and right outer side walls of the internal thread cylinder (10) are fixedly connected with sliding blocks, the left and right side walls of the limit through hole are provided with sliding grooves matched with the sliding blocks, the inner side wall of the internal thread cylinder (10) is in threaded connection with the rod wall of the limit threaded rod (9), the left and right sides of the upper end of the mounting seat (1) are, and the two limiting grooves are symmetrically arranged about the axis of the rotating rod (3), and the four corners of the upper end of the mounting seat (1) are connected with mounting bolts (11) through second threaded holes in a threaded manner.

2. The automobile double-H shell machining clamp according to claim 1, characterized in that push plates (12) are arranged on the upper portion of the bottom plate (2) on the front side and the rear side, thread blocks (13) are fixedly connected to the lower ends of the two push plates (12), grooves matched with the thread blocks (13) are formed in the upper end of the bottom plate (2) on the front side and the rear side, the side walls of the two grooves are connected with a bidirectional threaded rod (14) through a fourth rolling bearing in a rotating mode, and the side walls of the two thread blocks (13) are in threaded connection with the front end and the rear end of the rod wall of the bidirectional threaded rod (14) respectively.

3. The automobile double-H shell machining clamp according to claim 1, wherein an L-shaped vent hole is formed in the upper end of the mounting seat (1), and a heat dissipation fan (15) is fixedly arranged on the horizontal portion inside the L-shaped vent hole.

4. The automobile double-H shell machining clamp according to claim 3, wherein a protective screen (16) is fixedly arranged at the upper end of the inner vertical portion and the left end of the horizontal portion of the L-shaped ventilation hole, and a liquid outlet hole is formed in the right end of the lower side wall of the horizontal portion of the L-shaped ventilation hole.

5. The automobile double-H shell processing clamp according to claim 2, wherein the upper end of the compression screw (5) and the front end of the bidirectional threaded rod (14) are both fixedly connected with a turntable (17).

6. The automobile double-H shell processing clamp according to claim 2, characterized in that rubber pads (18) are fixedly connected to the lower end of the pressing plate (6) and the side walls of the opposite sides of the two push plates (12).