CN216226327U

CN216226327U - Special mould for flanging exhaust manifold clam shell

Info

Publication number: CN216226327U
Application number: CN202122241758.2U
Authority: CN
Inventors: 唐冯标
Original assignee: Wuxi Weiruida Auto Parts Co ltd
Current assignee: Wuxi Weiruida Auto Parts Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-04-08
Anticipated expiration: 2031-09-16

Abstract

The utility model discloses a special flanging die for an exhaust manifold clam shell, which comprises a processing table, wherein a lower die seat is arranged on the upper surface of the processing table, a lower die groove is arranged on the upper surface of the lower die seat, a flanging groove is arranged in the lower die groove, an installation plate is fixedly connected to the middle part of the rear side surface of the processing table, an electric cylinder is arranged on the surface of the installation plate, an upper die seat is arranged at the lower end of a piston rod of the electric cylinder, the upper die seat is positioned right above the lower die seat, an upper die plate is arranged on the lower surface of the upper die seat, flanging convex blocks are arranged on the lower surface of the upper die plate, limiting strips are fixedly connected to the left side and the right side of the surface of the installation plate, two groups of felt strips are arranged on the side surface of the upper die seat, an exhaust pipe fitting can be quickly ejected out by screwing a T-shaped screw during demoulding, the demoulding is convenient and rapid, the lower die seat and the upper die seat are respectively arranged into a whole, and the flanging efficiency of the exhaust pipe fitting is high, and the wear resistance is excellent, and the service life is prolonged.

Description

Special mould for flanging exhaust manifold clam shell

Technical Field

The utility model relates to the technical field of automobile part production, in particular to a special mould for flanging an exhaust manifold clam shell.

Background

The profile degree of the end face of a part produced by the traditional flanging die is very large, the requirement of flatness cannot be met, a set of end face rotary cutting die needs to be added for secondary processing, automatic production cannot be realized, the production efficiency is low, and the production cost is high.

Therefore, the publication number CN207238916U discloses a flanging die for exhaust parts, which comprises an upper die holder and a lower die holder, wherein an upper backing plate is arranged below the upper die holder, a female die fixing plate and an upper pressing body are arranged below the upper backing plate, the female die fixing plate is arranged on the periphery of the upper pressing body, the lower surface of the female die fixing plate is lower than the lower surface of the upper pressing body, a circle of first annular groove surrounding the upper pressing body is arranged on the lower surface of the female die fixing plate, a flanging female die is arranged in the first annular groove, and a recess with a trapezoidal cross section is formed on the lower surface of the upper pressing body.

For the flanging die for the exhaust part, the pressing insert is added at the die orifice of the lower pressing body, so that the forming of the compression flanging is realized to the maximum extent, the profile fluctuation of the flanging port is reduced, and the flatness requirement is met, thereby improving the forming quality, simultaneously canceling the rotary cutting process, realizing the automatic production and reducing the production cost. The following disadvantages still remain: the mode processing of part adoption punching press on the one hand, when the drawing of patterns, need the supplementary drawing of patterns of extra instrument, it is comparatively inconvenient to use, and the part that its mould of on the other hand used is more, uses after a period, and the condition of wearing and tearing can appear in each part, needs the periodic maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a special flanging die for an exhaust manifold clam shell, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the special mould for flanging the clam shell of the exhaust manifold comprises a processing table, wherein supporting legs are fixedly connected to each corner of the lower surface of the processing table, and supporting bars are fixedly connected between two adjacent groups of supporting legs;

the upper surface of the processing table is provided with a lower die holder, the upper surface of the lower die holder is provided with a lower die groove, a flanging groove is arranged in the lower die groove, and the lower die holder, the lower die groove and the flanging groove are integrally formed;

the middle part of the rear side surface of the processing table is fixedly connected with an installation plate, the surface of the installation plate is provided with an electric cylinder, the lower end of a piston rod of the electric cylinder is provided with an upper die base, the upper die base is positioned right above a lower die base, the lower surface of the upper die base is provided with an upper die plate, the lower surface of the upper die plate is provided with a flanging lug, and the size of the flanging lug is matched with that of the flanging groove;

the electric cylinder can work for a long time, realizes high strength, high speed and high precision positioning, is stable in movement and low in noise, can completely replace a hydraulic cylinder and an air cylinder, and has the advantages of more environment-friendly, more energy-saving and cleaner environment;

the left side and the right side of the surface of the mounting plate are fixedly connected with limiting strips, two groups of felt strips are arranged on the side surface of the upper die base, the felt strips are connected to the surfaces of the corresponding limiting strips in a sliding mode, the felt strips are embedded into the side surface of the upper die base, the felt strips are flush with the side surface of the upper die base, the limiting strips are arranged in a semi-cylindrical mode, and the felt strips are arranged in an arc shape;

the felt is a common tool in industry, is mostly made of wool, also is made of cow hair or fiber, is formed by processing and bonding, has the main characteristic of high elasticity, can be used as a material of shockproof, sealing, gasket and elastic wire knitted fabric base felt, and is applied to various industries of machinery, such as shockproof, oil-containing lubrication, friction resistance and the like;

the felt has good bonding performance, is not easy to loosen, can be punched into parts with various shapes, and is more convenient to process; and the felt tissue is inseparable, and the hole is little, and the wearability is better, can prevent spacing and the mutual wearing and tearing of upper die base, and the length is long when prolonging spacing and the use of upper die base.

As a further optimization of the technical scheme, the lower surface of the processing table is provided with a U-shaped plate, the middle part of the surface of the U-shaped plate is screwed with a T-shaped screw, a supporting plate is arranged at the upper end of the T-shaped screw, a top plate is placed on the upper surface of the supporting plate, a plurality of groups of ejector rods are arranged on the upper surface of the top plate, and the upper ends of the ejector rods are inserted into the flanging groove.

As a further optimization of the technical scheme, a plurality of groups of round holes are formed in the edge of the upper surface of the lower die base, and bolts connected with the processing table in a threaded mode are arranged in the round holes.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has simple structure and convenient use, optimizes the structures of the upper die holder and the lower die holder, saves additional auxiliary parts, reduces the processing cost, only needs to coat lubricating grease for maintenance, and is very worry-saving when in use;

the exhaust pipe fitting can be quickly ejected out by only twisting the T-shaped screw during demoulding, the demoulding is convenient and quick, the lower die holder and the upper die holder are respectively arranged integrally, the flanging efficiency of the exhaust pipe fitting is high, the wear resistance is excellent, and the service life is prolonged.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a schematic structural view of the lower die holder of the present invention;

FIG. 3 is a schematic side sectional view of the upper die base of the present invention;

FIG. 4 is a schematic structural view of the connection between the mounting plate and the upper mold base according to the present invention.

In the figure: 1. a processing table; 2. supporting legs; 3. a supporting strip; 4. a lower die holder; 5. a bolt; 6. a lower die cavity; 7. a flanging groove; 8. mounting a plate; 9. an electric cylinder; 10. an upper die holder; 11. mounting a template; 12. a flanging bump; 13. a limiting strip; 14. felt strips; 15. a top plate; 16. a top rod; 17. a U-shaped plate; 18. a T-shaped screw; 19. and a support plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the special die for flanging the clam shell of the exhaust manifold comprises a processing table 1, wherein a lower die base 4 is mounted on the upper surface of the processing table 1, a lower die groove 6 is formed in the upper surface of the lower die base 4, and a flanging groove 7 is formed in the lower die groove 6;

the processing table 1 plays a role in supporting the lower die holder 4, the lower die holder 4 is integrally rectangular, the lower die groove 6 is embedded into the lower die holder 4, and the flanging groove 7 is concave;

the middle part of the rear side surface of the processing table 1 is fixedly connected with an installation plate 8, the surface of the installation plate 8 is provided with an electric cylinder 9, the lower end of a piston rod of the electric cylinder 9 is provided with an upper die holder 10, the upper die holder 10 is positioned right above the lower die holder 4, the lower surface of the upper die holder 10 is provided with an upper die plate 11, the lower surface of the upper die plate 11 is provided with a flanging lug 12, and the size of the flanging lug 12 is matched with that of the flanging groove 7;

the electric cylinder 9 is used for controlling the upper die holder 10 to move up and down, the upper die plate 11 can be inserted into the lower die groove 6, the periphery of the upper die plate 11 is not contacted with the inner wall of the lower die groove 6, the flanging bump 12 is inserted into the flanging groove 7, and the exhaust pipe fitting is flanged in an extrusion mode;

the left side and the right side of the surface of the mounting plate 8 are fixedly connected with limiting strips 13, two groups of felt strips 14 are arranged on the side surface of the upper die holder 10, the felt strips 14 are connected to the surfaces of the corresponding limiting strips 13 in a sliding mode, and after the felt strips 14 and the limiting strips 13 are mounted together, the upper die holder 10 is guaranteed to be connected with the mounting plate 8 in a sliding mode, and the upper die holder 10 can be prevented from falling off from the mounting plate 8.

Concretely, the equal fixedly connected with supporting leg 2 of each corner of 1 lower surface of processing platform, supporting leg 2 plays the fixed effect of support to processing platform 1, fixedly connected with support bar 3 between two sets of adjacent supporting legs 2, and the rigidity of four groups of supporting legs 2 can be strengthened to support bar 3.

Specifically, a U-shaped plate 17 is arranged on the lower surface of the machining table 1, a T-shaped screw 18 is screwed in the middle of the surface of the U-shaped plate 17, a supporting plate 19 is arranged at the upper end of the T-shaped screw 18, a top plate 15 is placed on the upper surface of the supporting plate 19, a plurality of groups of ejector rods 16 are arranged on the upper surface of the top plate 15, and the upper ends of the ejector rods 16 are inserted into the flanging groove 7;

ejector pins 16 are in sliding connection with the processing table 1 and the lower die holder 4, and when the die is required to be demolded, the ejector pins 16 of a plurality of groups uniformly jack up the exhaust pipe, so that the exhaust pipe is uniformly stressed, the nondestructive demolding is realized, and the surface of the exhaust pipe is prevented from being abraded.

Specifically, the edge of the upper surface of the lower die holder 4 is provided with a plurality of groups of round holes, the round holes are internally provided with bolts 5 connected with the processing table 1 in a threaded manner, and the lower die holder 4 can be detached from the processing table 1 by unscrewing all the bolts 5, so that the lower die holder 4 can be replaced conveniently.

Specifically, the limiting strips 13 are semi-cylindrical, the felt strips 14 are circular arc-shaped, the felt strips 14 are sleeved on the surfaces of the limiting strips 13, and when the electric cylinder 9 controls the upper die holder 10 to move, the felt strips 14 slide along the limiting strips 13, so that mechanical friction between the upper die holder 10 and the limiting strips 13 is reduced.

Specifically, the felt strips 14 are embedded into the side surface of the upper die base 10, the felt strips 14 are flush with the side surface of the upper die base 10, and the length of the felt strips 14 is the same as the thickness of the upper die base 10, so that the integrity of the felt strips 14 and the upper die base 10 is higher.

Specifically, when the flanging device is used, the T-shaped screw 18 is firstly unscrewed, the T-shaped screw 18 drives the supporting plate 19 to move downwards, the top plate 15 and the ejector rod 16 slide downwards to prevent the upper end of the ejector rod 16 from protruding from the flanging groove 7, then the exhaust pipe fitting is placed into the flanging groove 7, the electric cylinder 9 is started, the piston rod of the electric cylinder 9 moves downwards to drive the upper die base 10 to approach the lower die base 4, the felt strip 14 on the surface of the upper die base 10 slides along the limiting strip 13 to avoid the situation that the upper die base 10 deviates and influence on the processing precision, when the upper die plate 11 is inserted into the lower die groove 6, the flanging lug 12 extrudes the exhaust pipe fitting to press the exhaust pipe fitting into the flanging groove 7 to realize the flanging processing of the exhaust pipe fitting, after the processing is finished, the upper die base 10 is controlled to move upwards through the electric cylinder 9, then the T-shaped screw 18 is screwed, the T-shaped screw 18 moves upwards along with the U-shaped plate 17 while rotating to drive the supporting plate 19 to move, the supporting plate 19 pushes the top plate 15, the top plate 15 pushes a plurality of groups of ejector rods 16 to abut against the surface of the exhaust pipe fitting, the exhaust pipe fitting is ejected out of the flanging groove 7, and demolding of the exhaust pipe fitting is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an exhaust manifold clam shell turn-ups special mould, includes processing platform (1), its characterized in that: the upper surface of the processing table (1) is provided with a lower die holder (4), the upper surface of the lower die holder (4) is provided with a lower die groove (6), a flanging groove (7) is arranged in the lower die groove (6), the middle of the rear side surface of the processing table (1) is fixedly connected with a mounting plate (8), the surface of the mounting plate (8) is provided with an electric cylinder (9), the lower end of a piston rod of the electric cylinder (9) is provided with an upper die holder (10), the upper die holder (10) is positioned right above the lower die holder (4), the lower surface of the upper die holder (10) is provided with an upper die plate (11), the lower surface of the upper die plate (11) is provided with a flanging lug (12), the size of the flanging lug (12) is matched with the size of the flanging groove (7), the left side and the right side of the surface of the mounting plate (8) are both fixedly connected with limit strips (13), and the side of the upper die holder (10) is provided with two groups of felt strips (14), the felt strips (14) are in sliding connection with the surfaces of the corresponding limiting strips (13).

2. The special die for the flanging of the exhaust manifold clam shell as claimed in claim 1, wherein: processing platform (1) lower surface each corner equal fixedly connected with supporting leg (2), fixedly connected with support bar (3) between two sets of adjacent supporting legs (2).

3. The special die for the flanging of the exhaust manifold clam shell as claimed in claim 1, wherein: the lower surface of the processing table (1) is provided with a U-shaped plate (17), the middle of the surface of the U-shaped plate (17) is screwed with a T-shaped screw (18), a supporting plate (19) is arranged at the upper end of the T-shaped screw (18), a top plate (15) is placed on the upper surface of the supporting plate (19), a plurality of groups of ejector rods (16) are arranged on the upper surface of the top plate (15), and the upper ends of the ejector rods (16) are inserted into the flanging groove (7).

4. The special die for the flanging of the exhaust manifold clam shell as claimed in claim 1, wherein: the edge of the upper surface of the lower die holder (4) is provided with a plurality of groups of round holes, and bolts (5) which are in threaded connection with the processing table (1) are arranged in the round holes.

5. The special die for the flanging of the exhaust manifold clam shell as claimed in claim 1, wherein: the limiting strips (13) are semi-cylindrical, and the felt strips (14) are arc-shaped.

6. The special die for the flanging of the exhaust manifold clam shell as claimed in claim 1, wherein: the felt strips (14) are embedded into the side surface of the upper die holder (10), and the felt strips (14) are flush with the side surface of the upper die holder (10).