CN218518514U

CN218518514U - Positioning fixture for inclined hole for assembling gearbox shell

Info

Publication number: CN218518514U
Application number: CN202221785588.2U
Authority: CN
Inventors: 蔡娟; 王勇; 陈荣华
Original assignee: Jiangxi Hualin Jinjian Technology Co ltd
Current assignee: Jiangxi Hualin Jinjian Technology Co ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2023-02-24
Anticipated expiration: 2032-07-12

Abstract

The utility model relates to a positioning fixture for gearbox housing assembly inclined hole, including the supporting legs base, swing joint has the barrel on the top intermediate position of base, the top fixedly connected with location box body of barrel, and the top of location box body is the opening setting to the barrel is linked together with the inside of location box body, the left and right sides inner wall of location box body is close to top department and all installs first guide rail, the outer sliding connection of first guide rail has first U-shaped plate, installs L shape locating plate on the antetheca of first U-shaped plate, mutually supports through parts such as cylinder, L-shaped plate, L shape locating plate in this technical scheme, but relative gearbox housing carries out effectual location, can realize adjusting the dynamics of its centre gripping simultaneously to can make its can be accurate fix a position, can effectual improvement its positioning efficiency.

Description

Positioning fixture for inclined hole for assembling gearbox shell

Technical Field

The utility model relates to a positioning fixture specifically is a positioning fixture that is used for transmission housing assembly inclined hole.

Background

The gearbox is a device for changing the rotation speed ratio and the movement direction, which is used on automobiles, tractors, ships, machine tools and various machines and is used for changing the torque, the rotation speed and the movement direction transmitted from a driving shaft to a driven shaft according to different working conditions.

Disclosure of Invention

Not enough to prior art, the utility model provides a positioning fixture for gearbox casing assembly inclined hole has overcome prior art's not enough.

In order to solve the technical problem, the utility model provides a following technical scheme: a positioning fixture for assembling inclined holes in a gearbox shell comprises a supporting foot base, wherein a barrel is movably connected to the middle position of the top of the base, a positioning box body is fixedly connected to the top of the barrel, the top of the positioning box body is provided with an opening, the barrel is communicated with the inside of the positioning box body, first guide rails are respectively installed on the inner walls of the left side and the right side of the positioning box body, which are close to the top, the outer portion of each first guide rail is connected with a first U-shaped plate in a sliding mode, an L-shaped positioning plate is installed on the front wall of each first U-shaped plate, a connecting block is installed at the bottom of each first U-shaped plate, an L-shaped plate is hinged to the front wall of each connecting block, the rear side of each L-shaped plate, which is close to the bottom, is hinged to the inner wall of the rear side of each L-shaped plate, the opposite side of each two L-shaped plates are hinged to the same second U-shaped plate, and two second guide rails matched with the second U-shaped plates are installed on the inner wall of the rear side of the barrel;

install the diaphragm on the antetheca of second U-shaped plate, the top of diaphragm is provided with the fixed plate, the fixed plate is installed on the rear side inner wall of location box body, install the cylinder on the bottom of fixed plate, the top fixed connection of push rod bottom and diaphragm on the cylinder.

As a preferred technical scheme of the utility model, the left and right sides of location box body is close to top fixedly connected with framework, two all articulated in the framework have the protection box body.

As a preferred technical scheme of the utility model, the barrel overcoat is equipped with the regulation box body, and the bottom of adjusting the box body and the top fixed connection of base, the bottom of barrel is through first bearing and the top swing joint of adjusting the box body, just the inner circle of first bearing is passed to the bottom of barrel to through the top swing joint of second bearing and base, the cylinder has cup jointed the gear wheel on being located the position of adjusting the box body, and the right side meshing of gear wheel has the pinion, the top of pinion is through pivot and third bearing and the inner chamber top swing joint of adjusting the box body, the top of adjusting the box body is close to right side department and installs servo motor, the inner circle of bearing and servo motor's output shaft fixed connection is passed on the pivot top on the pinion top.

As an optimal technical scheme of the utility model, all install first slider on the inner chamber top of first U-shaped board and the bottom, just first slider assorted first spout has all been seted up on the top of first guide rail and the bottom.

As an optimal technical scheme of the utility model, install a plurality of evenly distributed's vacuum chuck on the top of fixed plate.

As a preferred technical scheme of the utility model, two the protection pad is all installed to one side that L shape locating plate is relative, and two L shape locating plates use the central axis of location box body to be bilateral symmetry setting as the symmetry axis.

As an optimal technical scheme of the utility model, all install the second slider on the left and right sides inner wall of second U-shaped board, just seted up on the lateral wall of second guide rail with second slider assorted second spout.

The embodiment of the utility model provides a positioning fixture for transmission housing assembly inclined hole possesses following beneficial effect:

1. in the technical scheme, the components such as the cylinder, the L-shaped plate, the L-shaped positioning plate and the like are matched with each other, so that the transmission case can be effectively positioned, and the clamping force can be adjusted, so that the transmission case can be accurately positioned, and the positioning efficiency can be effectively improved;

2. in this technical scheme, through mutually supporting between parts such as servo motor, pinion and gear wheel, can realize adjusting its direction and angle to can realize operating it on the different directions, reach the convenient purpose of direction regulation, so that its assembly inclined hole that can be better, can effectual improvement its assembly inclined hole's efficiency and work efficiency.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic cross-sectional view of the structure of FIG. 1;

FIG. 3 is a partial side view of the first U-shaped plate of FIG. 2;

FIG. 4 is a partial top view of the second U-shaped plate of FIG. 2;

fig. 5 is a partial top view of the L-shaped positioning plate of fig. 2.

In the figure: 1. a base; 2. a barrel; 3. adjusting the box body; 4. a servo motor; 5. positioning the box body; 6. a frame body; 7. a protective box body; 8. a vacuum chuck; 9. a fixing plate; 10. a cylinder; 11. connecting blocks; 12. an L-shaped plate; 13. a first U-shaped plate; 14. an L-shaped positioning plate; 15. a first guide rail; 16. a transverse plate; 17. a second U-shaped plate; 18. a bull gear; 19. a second guide rail; 20. a pinion gear; 21. a first slider; 22. a first chute; 23. a second slider; 24. a second chute; 25. a protective pad.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-5, a positioning fixture for assembling inclined holes in a transmission case comprises a supporting leg base 1, a cylinder 2 is movably connected to the middle position of the top of the base 1, a positioning box 5 is fixedly connected to the top of the cylinder 2, the top of the positioning box 5 is provided with an opening, the cylinder 2 is communicated with the inside of the positioning box 5, first guide rails 15 are respectively arranged on the inner walls of the left side and the right side of the positioning box 5 near the top, a first U-shaped plate 13 is slidably connected to the outside of the first guide rails 15, first sliding blocks 21 are respectively arranged on the top and the bottom of an inner cavity of the first U-shaped plate 13, first sliding grooves 22 matched with the first sliding blocks 21 are respectively arranged on the top and the bottom of the first guide rails 15, L-shaped positioning plates 14 are respectively arranged on the front wall of the first U-shaped plate 13, protective pads 25 are respectively arranged on the opposite sides of the two L-shaped positioning plates 14, the two L-shaped positioning plates 14 are symmetrically arranged with the central axis of the positioning box 5 as the symmetry axis, connecting blocks 11 are respectively arranged on the left and the bottom of the first U-shaped plate, connecting plate 13, connecting blocks are respectively hinged to the front wall of the connecting block 11, the L-shaped plate 12, and the inner walls of the two L-shaped positioning box 5 are respectively hinged to the inner walls of the second sliding blocks 17, and the second sliding grooves 17, and the second sliding blocks 17 are respectively arranged on the inner walls of the second sliding blocks 17, and the second sliding grooves 17;

a transverse plate 16 is installed on the front wall of the second U-shaped plate 17, a fixing plate 9 is arranged above the transverse plate 16, the fixing plate 9 is installed on the inner wall of the rear side of the positioning box body 5, an air cylinder 10 is installed on the bottom of the fixing plate 9, the bottom end of a push rod on the air cylinder 10 is fixedly connected with the top of the transverse plate 16, and a plurality of vacuum suckers 8 which are uniformly distributed are installed on the top of the fixing plate 9;

in the embodiment, the cylinder 10, the L-shaped plate 12, the L-shaped positioning plate 14 and other components are matched with each other, so that the transmission case can be effectively positioned, and the clamping force can be adjusted, so that the transmission case can be accurately positioned, and the positioning efficiency can be effectively improved;

the adjusting device comprises a barrel 2, an adjusting box body 3, a base 1, a first bearing, a second bearing, a gear wheel 18, a pinion 20, a rotating shaft and a third bearing, wherein the adjusting box body 3 is sleeved outside the barrel 2, the bottom of the adjusting box body 3 is fixedly connected with the top of the base 1, the bottom of the barrel 2 is movably connected with the top of the adjusting box body 3 through the first bearing, the bottom of the barrel 2 penetrates through the inner ring of the first bearing and is movably connected with the top of the base 1 through the second bearing, the position, inside the adjusting box body 3, of the barrel 2 is sleeved with the gear wheel 18, the right side of the gear wheel 18 is meshed with the pinion 20, the top of the pinion 20 is movably connected with the top of an inner cavity of the adjusting box body 3 through the rotating shaft and the third bearing, a servo motor 4 is installed at the position, and the top end of the rotating shaft on the top of the pinion 20 penetrates through the inner ring of the bearing and is fixedly connected with an output shaft of the servo motor 4;

in the embodiment, the direction and the angle of the servo motor 4, the pinion 20, the gearwheel 18 and other parts are matched with each other, so that the operation of the servo motor can be realized from different directions, the purpose of convenient and fast direction adjustment is achieved, the inclined hole can be assembled better, and the efficiency and the working efficiency of assembling the inclined hole can be effectively improved;

wherein, the left side and the right side of the positioning box body 5 near the top are fixedly connected with frame bodies 6, and protective box bodies 7 are hinged in the two frame bodies 6;

in this embodiment, the L-shaped positioning plate 14 and the like can be effectively protected, and the pollution caused by dust and the like can be effectively prevented.

The working principle is as follows: when the technical scheme is used, firstly, a fastening nut on the front side of a frame body 6 is loosened, a protection box body 7 is opened towards two sides, a gearbox shell is placed between two L-shaped positioning plates 14, the bottom of the gearbox shell is in contact with a vacuum chuck 8, the vacuum chuck 8 sucks the bottom of the gearbox shell, at the moment, an air cylinder 10 is started, the air cylinder 10 drives a second U-shaped plate 17 to slide downwards on a second guide rail 19 through a transverse plate 16, the second U-shaped plate 17 pulls the L-shaped plate 12, the two L-shaped plates 12 move towards one side of a fixing plate 9, at the moment, the L-shaped plate 12 drives a first U-shaped plate 13 to move towards one side of the fixing plate 9 on a first guide rail 15, a protection pad 25 is in contact with two sides of the gearbox shell, effective positioning can be carried out relative to the gearbox shell, and the clamping force can be adjusted by controlling the extension of the air cylinder 10, thereby, the positioning can be accurately carried out, the positioning efficiency can be effectively improved, when the positioning is finished, the air cylinder 10 is closed, the servo motor 4 is started, the pinion 20 is rotated forward or backward by controlling the forward rotation or backward rotation of the servo motor 4, the pinion 20 drives the bull gear 18 to rotate backward or forward, the bull gear 18 drives the cylinder body 2 to rotate, the cylinder body 2 drives the positioning box body 5 to rotate, the direction and the angle of the positioning box body can be adjusted, the operation of the positioning box body can be realized from different directions, the purpose of convenient and fast direction adjustment can be achieved, so that the inclined hole can be better assembled, the efficiency and the working efficiency of the inclined hole assembly can be effectively improved, when the direction adjustment is finished, the servo motor 4 is closed, when the assembly is finished, the air cylinder 10 can be started, the air cylinder 10 drives the second U-shaped plate 17 to slide upwards on the second guide rail 19 through the transverse plate 16, and the second U-shaped plate 17 pulls the L-shaped plate 12, and the two L-shaped plates 12 move towards the side far away from the fixed plate 9, at the moment, the L-shaped plates 12 drive the first U-shaped plate 13 to move towards the side far away from the fixed plate 9 on the first guide rail 15, the protection pad 25 is separated from two sides of the gearbox shell, the gearbox shell is taken down, the protection box bodies 7 on two sides are closed at the moment, fastening nuts on the front side of the frame body 6 are screwed to realize fixation, effective protection on the L-shaped positioning plates 14 and the like can be realized, and pollution caused by dust and the like to the L-shaped positioning plates can be effectively prevented.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The positioning fixture for the inclined hole in the transmission case assembly comprises a supporting foot base (1) and is characterized in that a cylinder (2) is movably connected to the middle position of the top of the base (1), a positioning box body (5) is fixedly connected to the top of the cylinder (2), the top of the positioning box body (5) is arranged in an opening mode, the cylinder (2) is communicated with the inside of the positioning box body (5), first guide rails (15) are installed on the inner walls of the left side and the right side of the positioning box body (5) close to the top, a first U-shaped plate (13) is connected to the outer side of the first guide rails (15) in a sliding mode, an L-shaped positioning plate (14) is installed on the front wall of the first U-shaped plate (13), a connecting block (11) is installed at the bottom of the first U-shaped plate (13), an L-shaped plate (12) is hinged to the front wall of the connecting block (11), the rear side of the L-shaped plate (12) is hinged to the inner wall of the rear side of the positioning box body (5) close to the bottom, one side, the two opposite to which the L-shaped plate (12) is hinged to the same second U-shaped plate (17), and two U-shaped plates (19) are installed on the inner wall of the rear side of the second guide rails;

install diaphragm (16) on the antetheca of second U-shaped plate (17), the top of diaphragm (16) is provided with fixed plate (9), install on the rear side inner wall of location box body (5) fixed plate (9), install cylinder (10) on the bottom of fixed plate (9), the top fixed connection of push rod bottom and diaphragm (16) on cylinder (10).

2. The positioning fixture for the inclined hole for assembling the gearbox shell is characterized in that frame bodies (6) are fixedly connected to the left side and the right side of the positioning box body (5) close to the top, and a protective box body (7) is hinged in each of the two frame bodies (6).

3. The positioning fixture for the inclined hole for assembling the gearbox shell is characterized in that an adjusting box body (3) is sleeved outside the barrel (2), the bottom of the adjusting box body (3) is fixedly connected with the top of the base (1), the bottom of the barrel (2) is movably connected with the top of the adjusting box body (3) through a first bearing, the bottom of the barrel (2) penetrates through an inner ring of the first bearing and is movably connected with the top of the base (1) through a second bearing, a large gear (18) is sleeved on the position, located in the adjusting box body (3), of the barrel (2), a small gear (20) is meshed on the right side of the large gear (18), the top of the small gear (20) is movably connected with the top of an inner cavity of the adjusting box body (3) through a rotating shaft and a third bearing, a servo motor (4) is installed on the position, close to the right side, of the top of the rotating shaft on the top of the small gear (20) penetrates through the inner ring of the bearing and is fixedly connected with an output shaft of the servo motor (4).

4. The positioning fixture for the inclined hole for the gearbox shell assembly according to claim 1, wherein the first sliding blocks (21) are mounted on the top and the bottom of the inner cavity of the first U-shaped plate (13), and the first sliding grooves (22) matched with the first sliding blocks (21) are formed in the top and the bottom of the first guide rail (15).

5. A positioning jig for a transmission housing assembling inclined hole according to claim 1, characterized in that a plurality of vacuum suction cups (8) are installed on the top of the fixing plate (9) in uniform distribution.

6. The positioning fixture for the inclined hole for assembling the gearbox shell as claimed in claim 1, wherein the protection pad (25) is mounted on one side of each of the two L-shaped positioning plates (14), and the two L-shaped positioning plates (14) are arranged in a left-right symmetry manner by taking the central axis of the positioning box body (5) as a symmetry axis.

7. The positioning fixture for the inclined hole for assembling the gearbox shell as claimed in claim 1, wherein second sliding blocks (23) are mounted on inner walls of left and right sides of the second U-shaped plate (17), and second sliding grooves (24) matched with the second sliding blocks (23) are formed in side walls of the second guide rails (19).