CN224129722U

CN224129722U - A gearbox oil pan nut assembly device

Info

Publication number: CN224129722U
Application number: CN202520808632.4U
Authority: CN
Inventors: 彭斌淋; 叶吴珍; 张小东; 黎镇权; 覃丹莉
Original assignee: Guangdong Luquan Automobile Intelligent Technology Co ltd
Current assignee: Guangdong Luquan Automobile Intelligent Technology Co ltd
Priority date: 2025-04-25
Filing date: 2025-04-25
Publication date: 2026-04-17
Anticipated expiration: 2035-04-25

Abstract

This utility model relates to the field of assembly equipment technology, specifically to a transmission oil pan nut assembly device, including a frame, a worktable mounted on the frame, and a fixing fixture mounted on the worktable. The fixing fixture is equipped with at least one clamping mechanism, and all clamping mechanisms cooperate to fix the transmission oil pan onto the top pressure block of the fixing fixture. A lifting platform is located above the worktable on the frame, and a top pressure mold that cooperates with the fixing fixture is mounted on the back of the lifting platform. The top pressure mold has several top pressure columns, and the extension amount and position of all top pressure columns on the top pressure mold are adjustable. This transmission oil pan nut assembly device can simultaneously perform top pressure operations on multiple nuts on the same transmission oil pan, resulting in high work efficiency.

Description

Gearbox oil pan nut assembly device

Technical Field

The utility model relates to the technical field of assembly equipment, in particular to a nut assembly device of an oil pan of a gearbox.

Background

The prior gearbox oil pan is convenient for later installation and fixation, and is generally provided with a pre-installation nut on a fixed hole site, so that later stage can be directly fixed on an adjusting bolt for connection of the gearbox through the adjusting bolt, and thus the later stage installation difficulty can be reduced.

The gearbox oil pan is generally provided with reserved holes in the injection molding process, and the reserved holes are generally matched with the external dimensions of the nuts so as to press the nuts into the reserved holes in the later stage. At present, nuts are jacked into reserved holes on the gearbox oil pan by manual operation, then the nuts are jacked into the reserved holes through equipment for controlling jacking through pedals, for example, a small punch press, a telescopic cylinder and the like, the overall efficiency is poor, the same gearbox oil pan is required to be jacked in a reciprocating mode, and meanwhile the positions of the gearbox oil pan relative to jacking equipment are required to be continuously adjusted so as to adapt to the jacking demands of the nuts at different positions.

Disclosure of utility model

In order to overcome one of the defects in the prior art, the utility model aims to provide a gearbox oil pan nut assembling device which can simultaneously carry out pressing operation on a plurality of nuts on the same gearbox oil pan and has high working efficiency.

In order to solve the problems, the technical scheme adopted by the utility model is as follows:

The utility model provides a gearbox oil pan nut assembly device, includes the frame, sets up workstation in the frame and the fixed tool of setting on the workstation, be provided with at least one hold-down mechanism on the fixed tool, all hold-down mechanism can mutually support the gearbox oil pan and fix on the top briquetting of fixed tool, the frame is located the top of workstation is provided with the elevating platform, be provided with on the back of elevating platform with fixed tool complex top mould, be provided with a plurality of roof pressure posts on the roof pressure mould, all the projecting amount of roof pressure post and the position on the roof pressure mould all can be adjusted.

Further, a plurality of movable holes are formed in the jacking mould, one end of the jacking column is movably inserted into the movable holes, a plurality of threaded holes matched with the movable holes are formed in the lifting table, each threaded hole is provided with an adjusting bolt in a screwed mode, one end of each adjusting bolt is in threaded connection with one end of the corresponding jacking column, and one end of each adjusting bolt can drive the corresponding jacking column to rotate relative to the movable hole.

Further, the pressing die is mounted on the lifting table through screws.

Further, a plurality of guide posts are arranged on the frame, the lifting table is movably sleeved on all the guide posts, a jacking cylinder is arranged at the top of the frame, and the output end of the jacking cylinder is connected with the back surface of the lifting table.

Further, the jacking cylinders are provided with a pair of jacking cylinders and are respectively arranged at two opposite ends of the top of the frame.

Further, a plurality of buffer mechanisms are arranged on the workbench.

Further, the compressing mechanism comprises a mounting block and a locking bolt screwed on the mounting block, the mounting block is mounted on the workbench, and one end of the locking bolt is used for propping against the outer wall of the oil pan of the gearbox.

Further, hold-down mechanism includes mounting plate, supports tight piece, cam and action bars, mounting plate installs on the workstation, support tight piece can install with sliding on the mounting plate, be provided with on the mounting plate and be used for the reduction support tight piece's reset spring, the cam is installed eccentrically on the mounting plate, the one end of action bars with the cam articulates, the action bars can only swing along a plane relative to the cam, the periphery of cam can support tightly support tight piece, be provided with the stopper on the mounting plate, action bars wobbling one end can support tightly on the stopper, the action bars can drive the cam rotates and promotes to support tight piece and support tight gearbox oil pan.

Further, an opening mounting cavity is formed in the abutting block, one end of the reset spring is connected in the opening mounting cavity, and the other end of the reset spring is connected with a limiting mounting plate on the mounting bottom plate.

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

The device for assembling the oil pan nut of the gearbox adopts the structural design of the workbench, is convenient for operators to operate, and utilizes the pressing mechanism to fix the oil pan of the gearbox on the pressing block in a pressing manner, so that the positioning and fixing of the oil pan of the gearbox are realized, the quality of the pressing nut in the later stage is ensured, and the situation that the oil pan of the gearbox is damaged due to pressing caused by loose stress of the oil pan of the gearbox in the pressing process is avoided. In addition, all the jacking columns are arranged on the jacking mould, and meanwhile, the positions of the jacking columns on the jacking mould can be adjusted, so that the oil pan is adapted to the oil pans of gearboxes of different vehicle types, and the use convenience is improved.

The utility model is described in further detail below with reference to the drawings and the detailed description.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic diagram of a pressing mechanism and a fixture for pressing an oil pan of a transmission according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram illustrating a structure of a pressing mechanism and a fixing jig for pressing an oil pan of a transmission according to another embodiment of the present utility model;

Fig. 5 is a cross-sectional view of a pressing mechanism in another embodiment of the utility model.

Reference numerals illustrate:

The device comprises a frame 10, a lifting table 11, a guide column 12, a jacking cylinder 13, a workbench 20, a fixing jig 30, a jacking block 31, a pressing mechanism 40, a mounting block 41, a locking bolt 42, a mounting bottom plate 43, a limiting mounting plate 44, a limiting block 45, a butting block 46, a cam 47, an operating rod 48, an opening mounting cavity 49, a return spring 4a, a penetrating column 4b, a jacking mold 50, a jacking column 51, a movable hole 52 and an adjusting bolt 53.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1 to 5, a device for assembling a nut of an oil pan of a gearbox comprises a frame 10, a workbench 20 arranged on the frame 10, and a fixing jig 30 arranged on the workbench 20, wherein at least one pressing mechanism 40 is arranged on the fixing jig 30, all pressing mechanisms 40 can mutually cooperate to fix the oil pan of the gearbox on a pressing block 31 of the fixing jig 30, a lifting table 11 is arranged above the workbench 20 on the frame 10, a pressing die 50 matched with the fixing jig 30 is arranged on the back surface of the lifting table 11, a plurality of pressing columns 51 are arranged on the pressing die 50, and the stretching amount of the pressing columns 51 and the position on the pressing die 50 can be adjusted.

The position of the pressing mold 50 on the lifting table 11 can be adjusted, and the position of the fixing jig 30 can also be adjusted according to actual situations. The pressing mechanism 40 can also adjust the installation position in the application, and is respectively matched with the oil bottom shells of gearboxes of different vehicle types, so as to ensure the clamping stability of the gearboxes. In the present application, in order to avoid hard impact, a rubber pad is provided on an outward end of the pressing post 51, so that impact and damage to the nut to be pressed are reduced. The table 20 is provided with a control switch for controlling the elevation of the elevation table 11. In addition, in order to facilitate the installation, the pressing die 50 is mounted on the elevating table 11 by screws.

The device for assembling the oil pan nut of the gearbox adopts the structural design of the workbench 20, is convenient for operators to operate, and utilizes the pressing mechanism 40 to fix the oil pan of the gearbox on the pressing block 31 in a pressing manner, so that the positioning and fixing of the oil pan of the gearbox are realized, the quality of the pressing nut in the later stage is ensured, and the situation that the oil pan of the gearbox is pressed out due to the fact that the pressing force of the oil pan of the gearbox is loosened in the pressing process is avoided. In addition, all the jacking columns 51 are installed on the jacking mould 50, and meanwhile, the positions of the jacking columns 51 on the jacking mould 50 can be adjusted, so that the oil pan is adapted to the oil pans of gearboxes of different vehicle types, and the use convenience is improved.

In one embodiment of the present application, in order to facilitate lifting of the lifting platform 11, the frame 10 is provided with a plurality of guide posts 12, the lifting platform 11 is movably sleeved on all the guide posts 12, the top of the frame 10 is provided with a jacking cylinder 13, and an output end of the jacking cylinder 13 is connected with a back surface of the lifting platform 11. The jacking cylinders 13 are provided with a pair, and are respectively arranged at two opposite ends of the top of the frame 10, and the two jacking cylinders 13 are controlled by the same controller or the same set of air compression system to realize synchronous action.

Referring to fig. 1 to 3, in one embodiment of the present application, in order to better compress the oil pan of the transmission, and to secure the precision of the later assembly, the compressing mechanism 40 includes a mounting block 41 and a locking bolt 42 screwed on the mounting block 41, the mounting block 41 is mounted on the table 20, and one end of the locking bolt 42 is used to press against the outer wall of the oil pan of the transmission. In this embodiment, the pressing of the gearbox oil pan is achieved by adjusting the locking bolt 42, but in this embodiment the rotation of the locking bolt 42 easily scrapes the outer wall of the gearbox oil pan, for which purpose in one embodiment of the application the end of the locking bolt 42 against the gearbox oil pan is provided with a protective sleeve which can be rotated relative to the corresponding end of the locking bolt 42.

In the above embodiment, since the locking bolt 42 needs to be screwed, the operation is not easy, and the pressing efficiency is slow, for this reason, in another embodiment of the present application, referring to fig. 4 and 5, the pressing mechanism 40 includes a mounting base plate 43, a pressing block 46, a cam 47 and an operating lever 48, the mounting base plate 43 is mounted on the table 20, the pressing block 46 is slidably mounted on the mounting base plate 43, a return spring 4a for returning the pressing block 46 is provided on the mounting base plate 43, the cam 47 is eccentrically mounted on the mounting base plate 43, one end of the operating lever 48 is hinged with the cam 47, the operating lever 48 can only swing along a plane relative to the cam 47, the periphery of the cam 47 can abut against the pressing block 46, a stopper 45 is provided on the mounting base plate 43, one end of the operating lever 48 can abut against the stopper 45, and the operating lever 48 can drive the cam to rotate and push the pressing block 46 against the oil pan.

In the above-described modified embodiment, the pressing of the pressing block 46 is performed by the eccentric cam 47, and the pressing of the side wall of the oil pan of the transmission is performed by the pressing block 46, so that the design operation is simpler. Meanwhile, the operation rod 48 is matched with the limiting block 45, so that the operation rod 48 can be conveniently clamped on the limiting block 45, the cam 47 is prevented from rebounding, and locking is achieved. It should be noted that, in the above embodiment, the operator only needs to control the operating lever 48 to push the cam 47 to rotate, and the abutment block 46 is implemented by using different eccentricities on the cam 47, so as to abut against the side wall of the oil pan of the gearbox. In addition, the cam 47 is provided with a movable column, the upper end of the movable column is provided with an opening, one end of the operating rod 48 is hinged in the opening, and meanwhile, the operating rod 48 can swing along the plane of the opening. It should be noted that, the operating lever 48 may swing relative to the opening, so that the operating lever 48 may be conveniently clamped on the limiting block 45 to implement the locking of the whole structure. In addition, the position of the limiting block 45 on the mounting bottom plate 43 can be adjusted, so that the clamping requirements of the oil sump of the gearbox with different specification types can be conveniently adapted.

Referring to fig. 4 and 5, in the above embodiment, in order to facilitate the installation of the return spring 4a, an opening installation cavity 49 is provided on the abutting block 46, one end of the return spring 4a is connected to the opening installation cavity 49, and the other end of the return spring 4a is connected to the limit installation plate 44 on the installation base plate 43. The limiting mounting plate 44 is also disposed in the opening mounting cavity 49, such a structural design is more attractive, it is to be noted that the opening mounting cavity 49 is internally provided with the penetrating column 4b, and the penetrating column 4b movably penetrates through the limiting mounting plate 44, so that the supporting block 46 can slide relative to the mounting bottom plate 43, meanwhile, in this embodiment, one outward end of the penetrating column 4b can directly support against the outer wall of the oil pan of the gearbox, and meanwhile, the supporting head is hinged on the supporting block for adapting to the angle of the outer wall of the oil pan of the gearbox, which is preferable in the application. In addition, the through post 4b is actually locked on the abutting block 46, so that the post is conveniently mounted on the limit mounting plate 44, and the return spring 4a is mounted. Of course in some modified embodiments, the mounting base 43 is provided with a track on which the abutment block 46 is slidably mounted.

Referring to fig. 2, in an embodiment of the present application, in order to better adjust the protruding amount of each pressing column 51, to adapt to the pressing operation of the oil pan of the transmission case of different vehicle types, a plurality of movable holes 52 are provided on the pressing mold 50, one end of the pressing column 51 is movably inserted into the movable hole 52, a plurality of threaded holes adapted to the movable hole 52 are provided on the lifting table 11, each threaded hole is screwed with an adjusting bolt 53, one end of the adjusting bolt 53 is screwed with one end corresponding to the pressing column 51, and one end corresponding to the pressing column 51 can be driven to rotate by the adjusting bolt 53 relative to the movable hole 52. When the extension amount of the jacking column 51 needs to be adjusted, the extension amount of the adjusting bolt 53 is only needed to be adjusted, and the operation is simple and convenient. The diameter of the movable hole 52 is larger than that of the threaded hole, so that the adjusting bolt 53 is prevented from taking the pressing post 51 out of the threaded hole. In the application, the number and distribution of the threaded holes are distributed according to actual design requirements, and the threaded holes are adapted to the nut installation requirements of different positions on the oil sump of the gearbox of different vehicle types.

In the actual pressing process, in order to facilitate the protection of the workbench 20 and the mounted nuts, a plurality of buffer mechanisms are arranged on the workbench 20. The buffer mechanism can be a conventional rubber pad block or other structures, for example, each buffer mechanism comprises a base, the base is mounted on the workbench 20, an open cavity is formed in the base, a pressing block is movably inserted in the open cavity, and a buffer spring is arranged between the bottom of the pressing block and the bottom of the open cavity. The structure of this embodiment is not a protective structure of the present application and the present application is not described in detail herein for this reason.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims

1. The utility model provides a gearbox oil pan nut assembly device, its characterized in that, includes the frame, sets up workstation in the frame and the fixed tool of setting on the workstation, be provided with at least one hold-down mechanism on the fixed tool, all hold-down mechanism can mutually support the gearbox oil pan and fix on the top briquetting of fixed tool, the frame is located the top of workstation is provided with the elevating platform, be provided with on the back of elevating platform with fixed tool complex top moulding-die utensil, be provided with a plurality of top pressure posts on the top moulding-die utensil, all the projecting amount of top pressure post and the position on the top moulding-die utensil all can be adjusted.

2. The device for assembling the oil pan nut of the gearbox of claim 1, wherein a plurality of movable holes are formed in the jacking mould, one end of the jacking column is movably inserted into the movable holes, a plurality of threaded holes matched with the movable holes are formed in the lifting table, each threaded hole is internally provided with an adjusting bolt in a screwed mode, one end of each adjusting bolt is in threaded connection with one end corresponding to the jacking column, and one end corresponding to the jacking column can be driven to rotate relative to the movable hole by the adjusting bolts.

3. A transmission oil pan nut assembly according to claim 1 wherein the top pressure die is mounted on the lift table by screws.

4. The device for assembling the oil pan nut of the gearbox of claim 1, wherein the frame is provided with a plurality of guide posts, the lifting table is movably sleeved on all the guide posts, the top of the frame is provided with a jacking cylinder, and the output end of the jacking cylinder is connected with the back surface of the lifting table.

5. The assembly device of claim 4, wherein the jacking cylinders are provided with a pair of jacking cylinders and are respectively arranged at two opposite ends of the top of the frame.

6. The assembly device of the oil pan nut of the gearbox of claim 1, wherein a plurality of buffer mechanisms are arranged on the workbench.

7. A transmission oil pan nut assembly device according to any one of claims 1 to 6, wherein the pressing mechanism comprises a mounting block and a locking bolt screwed on the mounting block, the mounting block is mounted on the workbench, and one end of the locking bolt is used for abutting against the outer wall of the transmission oil pan.

8. A device for assembling a nut on an oil pan of a transmission according to any one of claims 1 to 6, wherein the pressing mechanism comprises a mounting base plate, a pressing block, a cam and an operating lever, the mounting base plate is mounted on the workbench, the pressing block can be slidably mounted on the mounting base plate, a return spring for resetting the pressing block is arranged on the mounting base plate, the cam is eccentrically mounted on the mounting base plate, one end of the operating lever is hinged with the cam, the operating lever can only swing along a plane relative to the cam, the periphery of the cam can press against the pressing block, a limiting block is arranged on the mounting base plate, one end of the operating lever, which swings, can press against the limiting block, and the operating lever can drive the cam to rotate and push the pressing block to press the oil pan of the transmission.

9. The assembly device for the oil pan nut of the gearbox of claim 8, wherein the abutting block is provided with an opening installation cavity, one end of the return spring is connected in the opening installation cavity, and the other end of the return spring is connected with a limiting installation plate on the installation bottom plate.