CN221065169U - Automatic screwing device for engine cylinder head cover - Google Patents

Abstract

The utility model discloses an automatic screwing device of an engine cylinder head cover, which comprises a support frame and a screwing robot, wherein the support frame is arranged at the rear side of an engine assembly line which extends leftwards and rightwards, the screwing robot is arranged at the front side of the engine assembly line, a fixing component capable of fixing a bearing piece flowing on the engine assembly line is arranged in the middle of the support frame, the screwing robot is provided with a screwing component, and the top of the support frame is provided with a guide component which is convenient for the screwing component to find a bolt to be screwed through an up-down moving component; during operation, the bearing piece with the engine is fixed through the fixing component, then the guide component moves downwards under the action of the up-down moving component to find the bolt with the tightening function, and the tightening component moves to the corresponding position under the action of the tightening robot, so that the tightening component works to achieve the tightening of the cylinder head cover, the bolt tightening efficiency is improved, the bolt tightening time is greatly shortened, the labor cost is reduced, and the bolt tightening quality is improved.

Description

Automatic screwing device for engine cylinder head cover

Technical Field

The utility model belongs to the technical field of engine assembly equipment, and particularly relates to an automatic tightening device for an engine cylinder head cover.

Background

In the prior art, when the cylinder head cover of an engine is installed, a worker usually holds a bolt gun to fix a cylinder head cover bolt, and when manual screwing is adopted, screwing quality cannot be guaranteed, and meanwhile, the labor cost is high.

Disclosure of utility model

The utility model aims to provide an automatic screwing device for an engine cylinder head cover, which can automatically complete screwing of the cylinder head cover, so that screwing efficiency is improved, and labor cost is reduced.

The technical scheme adopted by the utility model is as follows: the automatic screwing device for the engine cylinder head cover comprises a supporting frame and a screwing robot, wherein the supporting frame is arranged on the rear side of a left-right extending engine assembly line, the screwing robot is arranged on the front side of the engine assembly line, a fixing assembly capable of fixing a bearing piece flowing on the engine assembly line is arranged in the middle of the supporting frame, the screwing robot is provided with a screwing assembly, and the top of the supporting frame is provided with a guide assembly which is convenient for the screwing assembly to find a bolt to be screwed through an up-down moving assembly; during operation, the bearing piece with the engine is fixed through the fixing component, then the guide component moves downwards under the action of the up-down moving component to find the bolt to be screwed up, the screwing up component moves to a corresponding position under the action of the screwing up robot, and the screwing up component works to screw up the cylinder head cover.

As the preferable in the scheme, the tightening assembly comprises a tightening bottom plate and at least two tightening guns, wherein the tightening bottom plate is fixed on the tightening robot, at least one tightening gun is arranged on the tightening bottom plate through the linear moving assembly, and the rest tightening guns are directly fixed on the tightening bottom plate through corresponding tightening brackets.

Further preferably, the up-down moving assembly comprises an up-down moving plate and an up-down moving cylinder, the front side of the supporting frame is provided with up-down sliding rails at left-right intervals, the rear side of the up-down moving plate is provided with up-down sliding blocks capable of moving up-down on the up-down sliding rails, the guiding assembly is arranged on the front side of the up-down moving plate, the up-down moving cylinder is arranged at the top of the supporting frame, and the output end is arranged at the upper end of the up-down moving plate.

Further preferably, a limiting component is arranged below each upper sliding rail and each lower sliding rail on the supporting frame, the limiting component comprises limiting blocks arranged on the supporting frame through limiting brackets, and limiting blocks are arranged at positions, corresponding to the limiting blocks, of the lower ends of the upper moving plates and the lower moving plates.

Still preferably, the maintenance subassembly that keeps the upper and lower movable plate position when being used for maintaining still is provided with on the support frame, maintenance subassembly is including the maintenance stick of T type, the support frame is provided with the maintenance support near the position department of upper end, the maintenance support side is provided with the maintenance jack that is used for placing the maintenance stick, be provided with the maintenance through-hole that is used for inserting the maintenance stick on upper and lower movable plate and the maintenance support correspondingly.

Further preferably, the guide assembly comprises a plurality of guide posts which can be inserted into corresponding bolts of the cylinder head cover, the guide posts are rotatably arranged on the guide plates, the guide plates are arranged on the support plates through the compression support assembly, the support plates are arranged on the up-down moving assembly, and the support plates are provided with yielding through grooves for all the guide posts to extend downwards.

Further preferably, the compressing and supporting assembly comprises four supporting columns which are arranged in a rectangular mode and located between the supporting plate and the guide plate, the upper ends of the supporting columns are arranged to be positioning columns which can be inserted into the guide plate, the diameter of each positioning column is smaller than that of each supporting column, positioning holes are formed in the position, corresponding to the positioning columns, of the guide plate, positioning plugs are arranged at the upper ends of the positioning holes, compressing cylinders are arranged in the supporting plate, connecting blocks are arranged at the output ends of the compressing cylinders, and compressing blocks capable of being pressed on the guide plate are arranged at the other ends of the connecting blocks.

The utility model has the beneficial effects that: the automatic tightening of the cylinder head cover is realized by driving the tightening assembly through the tightening robot, the bolt to be tightened can be accurately found, and the guiding assembly is further arranged, so that the bolt tightening efficiency is improved, the bolt tightening time is greatly shortened, the labor cost is reduced, and the bolt tightening quality is improved.

Drawings

Fig. 1 is a schematic diagram of the present utility model.

Fig. 2 is a schematic diagram II (two groups are arranged at intervals) of the present utility model.

Fig. 3 is a schematic view of a support frame, an up-down moving assembly and a guiding assembly according to the present utility model.

Fig. 4 is a schematic view of a guide assembly according to the present utility model.

Fig. 5 is a schematic view of a tightening assembly according to the present utility model.

Fig. 6 is a second schematic view of the tightening assembly of the present utility model.

Fig. 7 is a schematic view of a carrier and securing assembly with which the present utility model is equipped.

Fig. 8 is a schematic view of a carrier provided with the present utility model.

Detailed Description

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

As shown in fig. 1 to 8, an automatic tightening device for an engine cylinder head cover mainly comprises a support frame a, a tightening robot B, a tightening assembly C, an up-down moving assembly D, a guiding assembly E and a fixing assembly, wherein the support frame a is arranged on the rear side of a left-right extending engine assembly line, the tightening robot B is arranged on the front side of the engine assembly line, and the fixing assembly is arranged in the middle of the support frame a and can fix a bearing piece flowing on the engine assembly line. The guide component E is arranged at the top of the support frame A through the up-down moving component D, and the guide component E is convenient for the tightening component to find the position on the cylinder head cover where the bolt needs to be tightened.

In order to further improve the screwing efficiency, two supporting frames and two screwing robots are arranged at left and right intervals, corresponding guide assemblies and fixing assemblies are arranged on each supporting frame, corresponding screwing assemblies are also arranged on each screwing robot, and the combination of the two screwing assemblies can just screw the cylinder head cover on the cylinder head cover.

The specific structure of the tightening assembly C comprises a tightening bottom plate 1 and at least two tightening guns 2, wherein the tightening bottom plate 1 is fixed on a tightening robot B, at least one tightening gun 2 is arranged on the tightening bottom plate 1 through a linear moving assembly 3, and the rest tightening guns are directly fixed on the tightening bottom plate 1 through corresponding tightening brackets. The linear movement assembly adopts the prior art, and the quantity of tightening guns and the quantity of the linear movement assembly are all set up according to needs.

The concrete structure of the up-and-down moving assembly D comprises an up-and-down moving plate 4 and an up-and-down moving cylinder 5, wherein up-and-down sliding rails 6 are arranged on the front side surface of a support frame A at intervals left and right, up-and-down sliding blocks 7 capable of moving up and down on the up-and-down sliding rails 6 are arranged on the rear side surface of the up-and-down moving plate 4, a guide assembly E is arranged on the front side surface of the up-and-down moving plate 4, the up-and-down moving cylinder 5 is arranged at the top of the support frame A, and an output end is arranged at the upper end of the up-and-down moving plate 4. When the up-and-down moving cylinder works, the up-and-down moving plate can be pushed to move up and down along the up-and-down sliding rail.

In order to prevent the upper and lower sliding blocks from moving out of the upper and lower sliding rails during maintenance, a limiting component is arranged on the support frame A corresponding to the lower part of each upper and lower sliding rail 6. The specific structure of the limiting assembly comprises a limiting stop 9 arranged on a supporting frame A through a limiting bracket 8, and a limiting block 10 is arranged at the position of the lower end of the up-down moving plate 4 corresponding to the limiting stop 9.

And a maintenance and maintenance assembly for maintaining the position of the up-and-down moving plate during maintenance is also arranged on the support frame A. The concrete structure of the maintenance maintaining assembly comprises a T-shaped maintenance rod 11, a maintenance support 12 is arranged at a position, close to the upper end, of the support frame A, a maintenance jack for placing the maintenance rod is arranged on the side face of the maintenance support 12, and when the maintenance maintaining assembly is not in a maintenance state, the maintenance rod is inserted into the maintenance jack. The up-and-down moving plate 4 and the maintenance support 12 are correspondingly provided with maintenance through holes for inserting maintenance bars, and during maintenance, the maintenance bars sequentially pass through the maintenance through holes on the up-and-down moving plate and the maintenance through holes on the maintenance support from front to back.

The specific structure of the guide component E comprises a plurality of guide posts 13 which can be inserted into corresponding bolts of the cylinder head cover, the guide posts 13 are rotatably arranged on the guide plates 14, and when the guide component E works, the tightening gun rotates the guide posts, so that the tightening of the bolts on the cylinder head cover can be realized. In order to facilitate the installation of the device suitable for the engine cylinder head covers of different models, the guide plate 14 is arranged on the support plate 15 through the compression support assembly, the support plate 15 is arranged on the up-down moving assembly D, and the guide plate is specifically arranged on the up-down moving plate of the up-down moving assembly. In order to facilitate the guide posts to drive the bolts to rotate for screwing, the support plate 15 is provided with yielding through grooves for all the guide posts 13 to extend downwards. In order to facilitate the replacement of the guide plate, a compaction supporting component is also arranged on the tightening bottom plate.

The concrete structure of the compaction support assembly comprises four support columns 16 which are arranged in a rectangular mode and are located between a support plate 15 and a guide plate 14, wherein the upper ends of the support columns 16 are provided with positioning columns which can be inserted into the guide plate, the diameter of each positioning column is smaller than that of each support column, and positioning holes are formed in the guide plate 14 at positions corresponding to the positioning columns, and the support columns are used for supporting the guide plate. The supporting plate 15 is provided with a compressing cylinder 18, the output end of the compressing cylinder 18 is provided with a connecting block 19, the other end of the connecting block 19 is provided with a compressing block 20 which can be pressed on the guide plate 14, and the compressing cylinder, the connecting block and the compressing block are matched to compress the guide plate on the supporting column. For dust prevention, a positioning plug 17 is provided at the upper end of the positioning hole.

During operation, the bearing piece with the engine is fixed through the fixing component, then the guide component E moves downwards under the action of the up-down moving component D to find the bolt to be screwed up, the screwing component C moves to a corresponding position under the action of the screwing robot, and the screwing component C works to screw up the cylinder head cover. When the screw is screwed, the screw is screwed reversely and then screwed positively.

As shown in fig. 7 and 8, a schematic structural view of the fixing assembly and the carrier is shown.

Claims (7)

1. An automatic screwing device of an engine cylinder head cover is characterized in that: the device comprises a support frame (A) arranged on the rear side of a left-right extending engine assembly line and a tightening robot (B) arranged on the front side of the engine assembly line, wherein a fixing assembly capable of fixing a bearing piece flowing on the engine assembly line is arranged in the middle of the support frame (A), a tightening assembly (C) is arranged on the tightening robot (B), and a guide assembly (E) which is convenient for the tightening assembly to find a bolt to be screwed is arranged on the top of the support frame (A) through an up-down moving assembly (D); during operation, the bearing piece with the engine is fixed through the fixing component, then the guide component (E) moves downwards under the action of the up-down moving component (D) to find a bolt to be screwed down, the screwing component (C) moves to a corresponding position under the action of the screwing robot, and the screwing component (C) works to screw the cylinder head cover.

2. The automatic engine cylinder head cover tightening device according to claim 1, characterized in that: the tightening assembly (C) comprises a tightening bottom plate (1) and at least two tightening guns (2), the tightening bottom plate (1) is fixed on the tightening robot (B), at least one tightening gun (2) is arranged on the tightening bottom plate (1) through the linear moving assembly (3), and the rest tightening guns are directly fixed on the tightening bottom plate (1) through corresponding tightening brackets.

3. The automatic engine cylinder head cover tightening device according to claim 1, characterized in that: the vertical movement assembly (D) comprises a vertical movement plate (4) and a vertical movement cylinder (5), vertical sliding rails (6) are arranged on the front side surface of the support frame (A) at intervals left and right, an upper sliding block (7) capable of moving up and down on the vertical sliding rails (6) is arranged on the rear side surface of the vertical movement plate (4), the guide assembly (E) is arranged on the front side surface of the vertical movement plate (4), the vertical movement cylinder (5) is arranged at the top of the support frame (A), and the output end is arranged at the upper end of the vertical movement plate (4).

4. The engine cylinder head cover automatic tightening device according to claim 3, characterized in that: the lower side that corresponds every upper and lower slide rail (6) on support frame (A) all is provided with spacing subassembly, spacing subassembly includes limit stop (9) that set up on support frame (A) through spacing support (8), the lower extreme of reciprocates board (4) corresponds limit stop (9) position department and is provided with stopper (10).

5. The engine cylinder head cover automatic tightening device according to claim 3, characterized in that: the maintenance device is characterized in that a maintenance component for maintaining the position of the up-down moving plate during maintenance is further arranged on the support frame (A), the maintenance component comprises a T-shaped maintenance rod (11), a maintenance support (12) is arranged at the position, close to the upper end, of the support frame (A), a maintenance jack for placing the maintenance rod is arranged on the side face of the maintenance support (12), and a maintenance through hole for inserting the maintenance rod is correspondingly formed in the up-down moving plate (4) and the maintenance support (12).

6. The automatic engine cylinder head cover tightening device according to claim 1, characterized in that: the guide assembly (E) comprises a plurality of guide posts (13) which can be inserted into corresponding bolts of the cylinder head cover, the guide posts (13) are rotatably arranged on the guide plates (14), the guide plates (14) are arranged on the support plates (15) through pressing the support assemblies, the support plates (15) are arranged on the up-down moving assembly (D), and the support plates (15) are provided with yielding grooves for all the guide posts (13) to extend downwards.

7. The automatic engine cylinder head cover tightening device according to claim 6, characterized in that: the utility model provides a compact support subassembly, including being four spinal branch daggers (16) that the rectangle was arranged and be located between backup pad (15) and deflector (14), the upper end of support column (16) sets up to the reference column that can insert on the deflector, and the diameter of reference column is less than the support column, the position department that corresponds the reference column on deflector (14) is provided with the locating hole, the upper end of locating hole is equipped with location end cap (17), be provided with on backup pad (15) and compress tightly cylinder (18), the output of compressing tightly cylinder (18) is provided with connecting block (19), the other end of connecting block (19) is provided with compact heap (20) that can press on deflector (14).