CN219561964U

CN219561964U - Dedicated inertial positioning ring welding frock of dual mass flywheel

Info

Publication number: CN219561964U
Application number: CN202320395868.0U
Authority: CN
Inventors: 石磊; 张贵辉; 董丽云; 马俊明
Original assignee: Jilin Dahua Machine Manufacturing Co ltd
Current assignee: Jilin Dahua Machine Manufacturing Co ltd
Priority date: 2023-03-06
Filing date: 2023-03-06
Publication date: 2023-08-22
Anticipated expiration: 2033-03-06

Abstract

The utility model discloses an inertial positioning ring welding tool special for a dual-mass flywheel, which relates to the technical field of automobile part machining and manufacturing and comprises a bottom plate, wherein a positioning mandrel is inserted and installed in a mounting groove formed in the bottom plate, a plurality of mounting tables are arranged on the outer edge of the bottom plate, a positioning groove I is formed in each of two opposite mounting tables, support columns are arranged on the other mounting tables through inner hexagon screws I, positioning columns are inserted in the positioning grooves I, top protruding blocks of the positioning columns are inserted in a positioning groove II and a positioning groove III which are mutually communicated with each other, through holes I and through holes II which are mutually communicated are respectively formed in positions of the pressing plate and the positioning ring, and the pressing plate and the positioning ring are connected to the support columns through threads. According to the utility model, the dual-mass flywheel is positioned through the center of the positioning mandrel, the positioning column and the pressing plate are respectively and sequentially overlapped and installed on the positioning column by the positioning groove III and the positioning groove II, the inertia ring is sleeved in the positioning ring to perform center positioning, and the end face positioning of the inertia ring is completed by the fixed pressing plate.

Description

Dedicated inertial positioning ring welding frock of dual mass flywheel

Technical Field

The utility model relates to the technical field of automobile part machining and manufacturing, in particular to an inertial positioning ring welding tool special for a dual-mass flywheel.

Background

At present, with the great development of the international automobile industry, people have higher and higher requirements on NVH performance of automobiles. Compared with a common clutch damping system, the dual-mass flywheel damping system special for the automobile has absolute performance advantages, and is widely applied in the automobile industry. In order to reduce the natural frequency of the whole vehicle transmission system, the resonance rotating speed is limited below the idle rotating speed (resonance is avoided in the rotating speed range of the engine operation), and the primary flywheel in the dual-mass flywheel is required to meet the engine operation requirement by increasing the rotational inertia of the inertia ring part. However, due to driveline space constraints, the inertia ring needs to be positioned and welded at the rear housing structure.

However, in the manufacturing industry of the dual-mass flywheel assembly, no reliable positioning tool design exists for realizing the positioning of the center and the end face of the inertia ring part on the rear shell structure, so that the center and the end face of the inertia ring part on the rear shell structure in the dual-mass flywheel assembly are positioned and welded for fixing, and the functional requirement of the assembly product is realized. Therefore, an inertial positioning ring welding tool special for a dual-mass flywheel is needed to solve the problems.

Disclosure of Invention

The utility model aims to provide an inertial positioning ring welding tool special for a dual-mass flywheel, which aims to solve the defects caused by the prior art.

The utility model provides a dedicated inertia holding ring welding frock of dual mass flywheel, includes the bottom plate, the intermediate position of bottom plate is equipped with the mounting groove that link up, install the location dabber in the mounting groove and be located the grafting of mounting groove upper end department, the outer edge array of bottom plate is equipped with a plurality of mount pad, two relative be equipped with constant head tank one on the mount pad, remaining all install the support column through socket head cap screw one on the mount pad, peg graft in constant head tank one has the reference column, peg graft in the constant head tank two and the constant head tank three of clamp plate and holding ring intercommunication each other, clamp plate and holding ring are located the position of support column and are equipped with the via hole one and the via hole two of intercommunication respectively, clamp plate and holding ring pass via hole one and via hole two and pass on the support column through socket head cap screw two threaded connection.

Preferably, the bottom plate is abutted with a dual-mass flywheel, the through groove of the dual-mass flywheel at the middle position is spliced on the positioning mandrel, the upper end of the dual-mass flywheel is abutted with an inertia ring, the outer diameter side wall of the inertia ring is abutted on the inner diameter side wall of the positioning ring, the inner diameter side wall of the pressing plate is provided with a convex ring, and the lower end face of the convex ring is abutted on the inertia ring.

Preferably, the positioning column is mounted on the bottom plate through an inner hexagon screw I.

Preferably, a positioning sleeve is inserted and installed in the installation groove and positioned at the lower end part of the installation groove.

Preferably, the lower end face of the pressing plate is abutted on the positioning ring, and the lower bottom end of the positioning ring is abutted on the support column and the positioning column.

The utility model has the advantages that: according to the utility model, the dual-mass flywheel is centrally positioned through the positioning mandrel, then the positioning ring is sleeved on the convex block at the top end of the positioning column through the positioning groove III and is mounted on the positioning column, the inertia ring is placed on the dual-mass flywheel, the outer diameter side wall of the inertia ring is abutted against the inner diameter side wall of the positioning ring, the inertia ring is centrally positioned, the pressing plate is sleeved on the convex block at the top end of the positioning column through the mounting groove II and is mounted on the positioning ring, the convex ring is abutted against the upper end surface of the inertia ring, and then the pressing plate is fixed through the limit of the inner hexagon screw II to finish the end surface positioning of the inertia ring.

Drawings

FIG. 1 is a schematic cross-sectional view of the whole structure of the present utility model.

Fig. 2 is a schematic top view of the base plate of the present utility model.

Fig. 3 is a schematic view of the structure of section B in fig. 2, partially in section.

Wherein: 1-a bottom plate; 2-mounting grooves; 3-positioning the mandrel; 4, a positioning sleeve; 5-a mounting table; 6-positioning groove I; 7-an inner hexagon screw I; 8-supporting columns; 9-positioning columns; 10-pressing plates; 11-positioning rings; 12-a positioning groove II; 13-positioning grooves III; 14-first via hole; 15-a second via hole; 16-a second inner hexagon screw; 17-a dual mass flywheel; 18-an inertia ring; 19-convex ring.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1 to 3, a dedicated inertial positioning ring welding fixture for dual mass flywheel comprises a bottom plate 1, the intermediate position of bottom plate 1 is equipped with mounting groove 2 that link up, the mounting groove 2 is interior and be located mounting groove 2 upper end department grafting and install location dabber 3, the outer edge array of bottom plate 1 is equipped with a plurality of mount table 5, and two are relative be equipped with constant head tank first 6 on the mount table 5 all install support column 8 through socket head cap screw first 7 on the rest mount table 5, peg graft in constant head tank first 6 has reference column 9, the top lug grafting of reference column 9 is in constant head tank second 12 and constant head tank third 13 of clamp plate 10 and constant head ring 11 intercommunication each other, clamp plate 10 and constant head ring 11 are located the position of support column 8 and are equipped with via hole first 14 and via hole second 15 of intercommunication respectively, clamp plate 10 and constant head ring 11 pass via hole first 14 and via hole second 15 and pass socket head cap screw second 16 threaded connection on support column 8. The bottom side of the positioning column 9 is provided with a cylindrical block inserted into the positioning groove I6, and the diameter of the cylindrical block is consistent with the inner diameter of the positioning groove I.

In this embodiment, the bottom plate 1 is abutted to a dual-mass flywheel 17, a through groove of the dual-mass flywheel 17 located at the middle position is inserted into the positioning mandrel 3, the upper end of the dual-mass flywheel 17 is abutted to an inertia ring 18, the outer diameter side wall of the inertia ring 18 is abutted to the inner diameter side wall of the positioning ring 11, a convex ring 19 is arranged on the inner diameter side wall of the pressing plate 10, and the lower end surface of the convex ring 19 is abutted to the inertia ring 18.

In this embodiment, the positioning post 9 is mounted on the base plate 1 by a socket head cap screw 7.

In this embodiment, a positioning sleeve 4 is inserted and installed in the installation groove 2 and positioned at the lower end of the installation groove 2.

In this embodiment, the lower end surface of the pressing plate 10 abuts against the positioning ring 11, and the lower bottom end of the positioning ring 11 abuts against the support column 8 and the positioning column 9.

The working principle of the utility model is as follows: the base plate 1 is mounted on a workbench surface welded to the workbench, then the positioning column 9 is inserted into the first positioning groove 6 through a cylindrical block at the bottom side of the positioning column 9, the bottom side of the positioning column 9 is abutted against the upper end face of the mounting table 5, then the positioning column 9 is mounted on the upper end face of the mounting table 5 through the first inner hexagon screw 7, then the support column 8 is mounted on the corresponding mounting table 5 through the first inner hexagon screw 7 on the rest mounting table 5, then the dual-mass flywheel 17 is abutted against the upper end face of the base plate 1, the through groove at the middle position of the dual-mass flywheel 17 is inserted onto the positioning mandrel 3, the dual-mass flywheel 17 is centrally positioned through the positioning mandrel 3, the positioning ring 11 is sleeved on the convex block at the top end of the positioning column 12 through the third positioning groove 13 and is mounted on the positioning column 9, the inertia ring 18 is placed on the dual-mass flywheel 17, the outer diameter side wall of the inertia ring 18 is abutted against the inner diameter side wall of the positioning ring 11, the pressing plate 10 is centrally positioned through the second positioning groove 12 on the convex block at the top of the positioning column 9 and the pressing plate 10 is abutted against the convex ring 11, the second inertia ring 11 is abutted against the convex ring 16 is welded on the second end face of the second positioning ring 16, and finally the second inertia ring 16 is welded to the second end face of the positioning ring is abutted against the second end face of the positioning ring 16 through the second positioning screw 16, and finally the inertia ring 16 is welded to the second end face of the positioning screw is positioned on the second end face of the positioning ring 16.

According to the utility model, the dual-mass flywheel 17 is centrally positioned through the positioning mandrel 3, then the positioning ring 11 is sleeved on the convex block at the top end of the positioning column 12 through the positioning groove III 13 and is mounted on the positioning column 9, the inertia ring 18 is placed on the dual-mass flywheel 17, the outer diameter side wall of the inertia ring 18 is abutted on the inner diameter side wall of the positioning ring 11, the inertia ring 18 is centrally positioned, the pressing plate 10 is sleeved on the convex block at the top end of the positioning column 9 through the positioning groove II 12 and is mounted on the positioning ring 11, the convex ring 19 is abutted on the upper end surface of the inertia ring 18, and then the end surface positioning of the inertia ring 18 is completed through the limiting and fixing pressing plate 10 through the inner hexagon screw II 16.

It will be appreciated by those skilled in the art that the present utility model can be carried out in other embodiments without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the utility model or equivalents thereto are intended to be embraced therein.

Claims

1. The utility model provides a dedicated inertia holding ring welding frock of dual mass flywheel which characterized in that: including bottom plate (1), the intermediate position of bottom plate (1) is equipped with mounting groove (2) that link up, just be located mounting groove (2) upper end department grafting and install location dabber (3), the outer array along of bottom plate (1) is equipped with a plurality of mount pad (5), two are relative be equipped with constant head tank first (6) on mount pad (5), remaining all install support column (8) through hexagon socket head cap screw first (7) on mount pad (5), constant head tank first (6) are inserted and are had reference column (9), the top lug grafting of reference column (9) is in constant head tank second (12) and constant head tank third (13) of clamp plate (10) and constant head ring (11) intercommunication each other, the position that clamp plate (10) and constant head ring (11) are located support column (8) is equipped with through hole first (14) and through hole second (15) of mutual intercommunication respectively, clamp plate (10) and constant head ring (11) pass through hexagon screw second (16) and through hole second (15) and connect on support column second (8) screw thread.

2. The inertial confinement ring welding tool special for the dual-mass flywheel as claimed in claim 1, wherein: the novel flywheel positioning device is characterized in that a double-mass flywheel (17) is abutted to the bottom plate (1), a through groove of the double-mass flywheel (17) located at the middle position is inserted into the positioning mandrel (3), an inertia ring (18) is abutted to the upper end of the double-mass flywheel (17), the outer diameter side wall of the inertia ring (18) is abutted to the inner diameter side wall of the positioning ring (11), a convex ring (19) is arranged on the inner diameter side wall of the pressing plate (10), and the lower end face of the convex ring (19) is abutted to the inertia ring (18).

3. The inertial confinement ring welding tool special for the dual-mass flywheel as claimed in claim 1, wherein: the positioning column (9) is arranged on the bottom plate (1) through a first socket head cap screw (7).

4. The inertial confinement ring welding tool special for the dual-mass flywheel as claimed in claim 1, wherein: the positioning sleeve (4) is inserted and installed in the installation groove (2) and positioned at the lower end part of the installation groove (2).

5. The inertial confinement ring welding tool special for a dual-mass flywheel as claimed in claim 1, wherein: the lower end face of the pressing plate (10) is abutted on the positioning ring (11), and the lower bottom end of the positioning ring (11) is abutted on the support column (8) and the positioning column (9).