CN212555137U - Necking and flanging mechanism of automatic flanging machine for air spring - Google Patents

Abstract

The utility model relates to an air spring processing technology field, a throat flanging mechanism of automatic flanger of air spring, including sliding seat, turning over drape, expanding mechanism, gasbag, throat device, the utility model discloses an expanding mechanism inflation gets up and carries out size restriction, utilizes the throat device to reduce the rubber leather bag external diameter and makes things convenient for the steel ring to embolia, then aerifys in to the gasbag, and the drape is turned over to the antedisplacement at last, promotes the gasbag, gets up rubber leather bag from the reverse parcel of steel ring department, accomplishes throat flanging work. The utility model has the advantages of high working efficiency, labor saving and high yield.

Description

Necking and flanging mechanism of automatic flanging machine for air spring

Technical Field

The utility model relates to an air spring processing technology field, concretely relates to necking and flanging mechanism of automatic flanger of air spring.

Background

The air spring is made of elastic force generated after air compression, and is mainly applied to shock absorption systems and mechanical equipment parts of various vehicles at present.

The existing air spring leather bag flanging equipment mainly controls flanging by manpower, when the diameter of a steel ring is smaller than that of a rubber leather bag, the steel ring needs to be placed after the rubber leather bag is necked, and then flanging is carried out.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem be: the prior art has low manual flanging efficiency and high rejection rate, and provides a necking and flanging mechanism of an automatic flanging machine for an air spring.

The utility model is realized by the following technical proposal, a necking and flanging mechanism of an air spring automatic flanging machine comprises a sliding seat, the sliding seat is slidably arranged on an equipment base through a first slide block and a first guide rail, a fixed plate is vertically arranged on the sliding seat, two first air cylinders are horizontally arranged at two sides of the fixed plate, the extending end of the first air cylinder is fixedly connected with an installation box body, a bag turning mold is detachably arranged on the installation box body, a fixed rod is horizontally and fixedly connected with the center of the fixed plate, an expansion mechanism is arranged at the end part of the fixed rod, an air bag is also coated outside the expansion mechanism and is hermetically connected with the expansion mechanism, the air bag and the expansion mechanism are both connected with a compressed air pipeline in the fixed rod, the expansion mechanism and the fixed rod pass through holes of the installation box body and the bag turning mold, a necking device is arranged in the installation box body, the throat device overlaps outside the dead lever, the throat device includes the sliding block and installs the spring leaf on the sliding block, spring leaf circumference equipartition is on the sliding block, the spring leaf is umbelliform outdiffusion under self elasticity, receives the restraint of through-hole turning over drape portion, be equipped with the second cylinder on the sliding block, the end that stretches out of second cylinder is connected with the internal wallboard of install bin, under the drive of second cylinder, the throat device slides on the dead lever, through-hole outer port department is equipped with the ring channel for place the steel ring.

Furthermore, the installation box body is slidably installed on the sliding seat through the second sliding block and the second guide rail, and the moving stability of the installation box body is guaranteed.

Further, the expansion mechanism is an expansion and contraction forming drum, and can synchronously expand.

Further, a third air cylinder is mounted on the fixing plate, and the expansion and contraction forming drum is driven by the third air cylinder to expand and contract.

The utility model has the advantages that:

the utility model discloses at first, get up through expansion mechanism and carry out size restriction, then utilize the restraint of turning over the drape to the spring leaf, reduce the rubber leather bag external diameter to being less than the steel ring diameter, make the steel ring can overlap outside the rubber leather bag, then aerify in to the gasbag, the gasbag inflation, the rubber leather bag inflation that drives the steel ring outside gets up, then turn over the drape and move forward, promote the gasbag, get up rubber leather bag from the reverse parcel of steel ring department, pressurize a period, make bonding between the rubber, just can accomplish throat turn-ups work, and has a high work efficiency, and the labor is saved, the advantage that the yield is high.

Drawings

Fig. 1 is a front view of a necking and flanging mechanism of an automatic flanging machine for an air spring of the present invention;

fig. 2 is a top view of a necking and flanging mechanism of an automatic flanging machine for an air spring according to the present invention;

fig. 3 is a half-sectional view of the necking device of the present invention.

In the figure: 1, a sliding seat; 11 a first slider; 12 a first guide rail; 2, fixing a plate; 21 a first cylinder; 22 a third cylinder; 3, mounting a box body; 31 a second slider; 32 a second guide rail; 4, turning over the ladle mold; 41 through holes; 42 an annular groove; 5, fixing the rod; 6 an expansion mechanism; 7, an air bag; 8, a necking device; 81 sliding blocks; 82 spring pieces; 83 second cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, a necking and flanging mechanism of an automatic flanging machine for an air spring comprises a sliding seat 1, wherein the sliding seat 1 is slidably mounted on an equipment base through a first sliding block 11 and a first guide rail 12, a fixing plate 2 is vertically mounted on the sliding seat 1, two first air cylinders 21 are horizontally mounted on two sides of the fixing plate 2, the extending end of each first air cylinder 21 is fixedly connected with a mounting box 3, a flanging die 4 is detachably mounted on the mounting box 3, a fixing rod 5 is horizontally and fixedly connected to the center of the fixing plate 2, an expansion mechanism 6 is mounted at the end of the fixing rod 5, an air bag 7 is further coated outside the expansion mechanism 6, the air bag 7 is hermetically connected with the expansion mechanism 6, the air bag 7 and the expansion mechanism 6 are both connected with a compressed air pipeline in the fixing rod 5, the expansion mechanism 6 and the fixing rod 5 pass through holes 41 of the mounting box 3 and the flanging die 4, be equipped with throat device 8 in the installation box 3, throat device 8 overlaps outside dead lever 5, throat device 8 includes sliding block 81 and installs the spring leaf 82 on sliding block 81, spring leaf 82 circumference equipartition is on sliding block 81, spring leaf 82 is umbelliform outdiffusion under self elasticity, is turning over the restraint that the coating die 4 department received through-hole 41, be equipped with second cylinder 83 on the sliding block, the end that stretches out of second cylinder 83 is connected with the internal wallboard of installation box, under the drive of second cylinder 83, throat device 8 slides on dead lever 5, the department of the external orifice of through-hole 41 is equipped with ring channel 42 for place the steel ring.

In practical applications, the mounting box 3 is slidably mounted on the sliding seat 1 through the second slider 31 and the second guide rail 32.

In practical application, the expansion mechanism 6 is an expansion and contraction forming drum.

In practice, a third cylinder 22 is mounted on the fixed plate, and the expansion and contraction building drum is driven by the third cylinder 22 to expand and contract.

The utility model discloses a theory of operation:

the utility model discloses the during operation includes following step:

s1, placing the rubber leather bag on the rubber leather bag bracket;

s2, installing the steel ring in the annular groove 42 of the ladle mold;

s3, extending the second cylinder 83 out of the necking device 8;

s3, the whole flanging mechanism moves towards the rubber leather bag, and the expansion mechanism 6 extends into the rubber leather bag;

s4, starting the expansion mechanism 6 to expand, expanding the front end of the position, to be flanged, of the rubber leather bag to a proper diameter, and limiting the diameter of the flange;

s5, the first air cylinder 21 pushes the ladle overturning mold 4 to advance, the spring piece 82 is restrained by the through hole 41, the spring piece 82 is attached inwards, the outer surface of the air leather bag is extruded, the diameter of the air leather bag is reduced, and a steel ring installed in the annular groove 42 slides into the rubber leather bag;

and S6, the first air cylinder 21 and the second air cylinder 83 retract simultaneously, and the ladle mold 4 and the necking device 8 are driven to retract simultaneously.

S7, inflating the air bag 7 and expanding the air bag 7;

s8, the first air cylinder 21 pushes the ladle-turning mold 4 to advance, the opened air bag 7 drives the rubber leather bag to complete flanging along the outer side of the steel ring, and the flanging is kept for a period of time, so that the two layers of rubber are bonded under pressure;

s9, retracting the first cylinder, and retreating the ladle mold 4;

s10, opening an exhaust valve of the air bag 7 to deflate;

s11, the expansion mechanism 6 contracts and resets;

s12, inflating and deflating the air bag 7 a little again to reset the air bag 7;

and S13, resetting the necking and flanging mechanism.

The utility model discloses at first, get up through expansion mechanism 6 and carry out size restriction, then utilize the restraint that turns over drape 4 to spring leaf 82, reduce the rubber leather bag external diameter to being less than the steel ring diameter, make the steel ring can overlap outside the rubber leather bag, then aerify in 7 gasbags, 7 expansions of gasbag, the rubber leather bag that drives the steel ring outside expands, then turn over drape 4 antedisplacement, promote gasbag 7, get up rubber leather bag from the reverse parcel of steel ring department, pressurize a period, make bonding between the rubber, just can accomplish throat turn-ups work.

To sum up, kind of air spring leather bag throat flanging mechanism have work efficiency height, save the manual work, advantage that the yield is high.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose of the present invention is to provide a person skilled in the art with the ability to understand the contents of the present invention and implement the same, and not to limit the scope of the present invention.

Claims (4)

1. The utility model provides a throat flanging mechanism of automatic flanger of air spring which characterized in that: the device comprises a sliding seat (1), wherein the sliding seat (1) is installed on an equipment base through a first sliding block (11) and a first guide rail (12) in a sliding manner, a fixed plate (2) is vertically installed on the sliding seat (1), two first cylinders (21) are horizontally installed on two sides of the fixed plate (2), the extending end of each first cylinder (21) is fixedly connected with an installation box body (3), a ladle overturning mold (4) is detachably installed on the installation box body (3), a fixed rod (5) is horizontally and fixedly connected with the center of the fixed plate (2), an expansion mechanism (6) is installed at the end part of the fixed rod (5), an air bag (7) is further coated outside the expansion mechanism (6), the air bag (7) is hermetically connected with the expansion mechanism (6), and the air bag (7) and the expansion mechanism (6) are both connected with a compressed air pipeline in the fixed rod (5), the expansion mechanism (6) and the fixing rod (5) penetrate through a through hole (41) of the installation box body (3) and the turning-over wrapping die (4), a necking device (8) is arranged in the installation box body (3), the necking device (8) is sleeved outside the fixing rod (5), the necking device (8) comprises a sliding block (81) and a spring piece (82) arranged on the sliding block (81), the spring piece (82) is circumferentially and uniformly distributed on the sliding block (81), the spring piece (82) is in an umbrella shape and outwards diffuses under self elasticity, the turning-over wrapping die (4) is restrained by the through hole (41), a second cylinder (83) is arranged on the sliding block, the extending end of the second cylinder (83) is connected with an inner wall plate of the installation box body (3), the necking device (8) slides on the fixing rod (5) under the driving of the second cylinder (83), and an annular groove (42) is arranged at the outer opening of the through hole (41), used for placing steel rings.

2. The necking and flanging mechanism of the automatic air spring flanging machine according to claim 1, is characterized in that: the mounting box body (3) is mounted on the sliding seat (1) in a sliding mode through a second sliding block (31) and a second guide rail (32).

3. The necking and flanging mechanism of the automatic air spring flanging machine according to claim 1, is characterized in that: the expansion mechanism (6) is an expansion and contraction forming drum.

4. The necking and flanging mechanism of the automatic air spring flanging machine according to claim 3, characterized in that: and a third air cylinder (22) is mounted on the fixing plate, and the expansion and contraction forming drum is driven by the third air cylinder (22) to expand and contract.

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