CN213887824U - Three-dimensional curved surface multipoint forming pressure head capable of being replaced quickly - Google Patents

Abstract

The utility model discloses a but quick replacement's three-dimensional curved surface multiple spot shaping pressure head, its characteristics are that the last pressure head of taking spherical radian sets up on the swing support that semicircle hookup spheroid and semi-spherical support are constituteed by the coupling of rubber spring, and semicircle hookup spheroid is spherical articulated with semi-spherical support, goes up the pressure head and is the fix with screw with semicircle hookup spheroid, and semi-spherical support and suppression guide arm are for inserting the assembly and by the fix with screw. Compared with the prior art, the utility model have quick dismantlement or change the pressure head, effectively solved the difficult problem that selects the most suitable pressure head and steel sheet location according to the camber of suppression curved surface, especially the support adopts swing structure, but the pressure head automatic re-setting, simple structure, convenient to use makes the three-dimensional curved surface precision of press forming higher, the curved surface is more smooth and easy.

Description

Three-dimensional curved surface multipoint forming pressure head capable of being replaced quickly

Technical Field

The utility model belongs to the technical field of three-dimensional curved surface compression moulding technique and specifically relates to a but quick replacement's three-dimensional curved surface multiple spot shaping pressure head.

Background

At present, a curved plate in ship production begins to be processed by a three-dimensional curved surface multipoint press forming press, the multipoint press forming heads are of two types, one type is a round head type press head with a semi-spherical top, the other type is a square press head with a flat top, the two types of press heads are all integrated with a press guide rod, and the press heads are not suitable to be replaced. In the process of pressing the curved plate, the indentation formed by the semi-spherical circular pressing head is serious, the flat-topped square pressing head is basically in line contact with the curved plate, the smoothness of the formed curved surface is poor, and meanwhile, due to the fact that the curvature change of the pressed curved steel plate is large, the pressing head which is more suitable is required to be replaced according to different curvatures.

The pressure head of prior art is for should not changing, can not select the most suitable pressure head according to the camber of suppression curved surface, the quick replacement pressure head, press forming's curved surface precision and smooth not easy assurance of nature, in addition, be the non-pressure limit mode because of the crooked template of multiple spot suppression, the location of steel sheet is very important, can be in vacant pressure head position when needing, install the steel sheet locating lever fast, but the multiple spot shaping pressure head of proposing a quick replacement or dismantlement, can make the three-dimensional curved surface precision of press forming higher, the curved surface is more smooth and easy, thereby solve the difficult problem of the camber according to suppression curved surface and select the most suitable pressure head and steel sheet location.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the not enough and a three-dimensional curved surface multiple spot shaping pressure head that designs of prior art can quick replacement, the swing support structure of adoption hemispheroid hookup pressure head, but the pressure head automatic re-setting, swing support and guide arm are plug-in type fix with screw, dismantle fast or change the pressure head, simple structure, convenient to use, the three-dimensional curved surface precision that makes the suppression shaping is higher, the curved surface is more smooth and easy, the difficult problem of the most suitable pressure head of camber selection and steel sheet location of effectively having solved the suppression curved surface.

The purpose of the utility model is realized like this: a three-dimensional curved surface multipoint forming pressure head capable of being replaced quickly comprises an upper pressure head arranged on a pressing guide rod, and is characterized in that the upper pressure head is arranged on a swinging support formed by a semicircular connecting sphere and a semicircular sphere support through a rubber spring, the semicircular connecting sphere is hinged with the semicircular sphere support through a spherical surface, the upper pressure head is fixedly connected with the semicircular connecting sphere through a screw, the semicircular sphere support is sleeved with the pressing guide rod and fixed through a guide rod screw, the upper pressure head is provided with a pressing curved surface with a spherical radian, and a stepped hole is formed below the pressure head; the semicircular connecting sphere is provided with a flange and a central through hole; a square flange is arranged on the sphere of the semi-sphere support, and a sleeving hole and a cross-shaped groove are formed in the base; the rubber spring is a rubber piece, two ends of the rubber piece are provided with a square raised head and a rectangular raised head which are larger than the intermediate body, the rubber spring penetrates into the semicircular connecting ball body through the central through hole, the square raised head at the upper end of the rubber spring is embedded with the stepped hole of the upper pressure head, and the rectangular raised head at the lower end of the rubber spring is embedded with the cross-shaped groove of the semicircular ball body support.

The rectangular raised head is internally embedded with a nut.

The rubber spring, the upper pressure head and the semi-sphere support are assembled in a certain extending amount.

And the top end of the pressing guide rod is provided with a socket connected with the semi-sphere support.

The semi-sphere support is inserted into the socket of the pressing guide rod through the sleeving hole and is fixed by the guide rod screw.

Compared with the prior art, the utility model have quick dismantlement or change the pressure head, effectively solved the difficult problem that selects the most suitable pressure head and steel sheet location according to the camber of suppression curved surface, especially the support adopts swing structure, but the pressure head automatic re-setting, simple structure, convenient to use makes the three-dimensional curved surface precision of press forming higher, the curved surface is more smooth and easy.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic view of the upper ram structure;

FIG. 4 is a schematic view of a semicircular connection sphere;

FIGS. 5 to 6 are schematic views of a semi-spherical support;

FIG. 7 is a schematic view of a rubber spring structure;

FIG. 8 is a schematic cross-sectional view taken along line B-B of FIG. 7;

fig. 9 is a schematic view of a press guide bar structure.

Detailed Description

Referring to the attached drawings 1-2, the utility model comprises an upper pressure head 1 for applying pressure, a rubber spring 2 for positioning and fixed connection, a semi-circular connecting sphere 3 capable of swinging and a semi-spherical support 4, wherein the upper pressure head 1 is arranged on the swinging support composed of the semi-circular connecting sphere 3 and the semi-spherical support 4 by the rubber spring 2; the semi-spherical connecting sphere 3 is hinged with the semi-spherical support 4 in a spherical way; the upper pressure head 1 is fixedly connected with the semicircular connecting sphere 3 through a screw 6; the semi-spherical support 4 is inserted into the insertion port 71 of the pressing guide rod 7 through the sleeving hole 42 and is fixed by the guide rod screw 8; the rubber spring 2 penetrates through the semicircular connecting sphere 3 through the central through hole 32, the square raised head 21 at the upper end of the rubber spring is embedded with the stepped hole 12 of the upper pressure head 1, and the rectangular raised head 23 at the lower end of the rubber spring is embedded with the cross-shaped groove 43 of the semicircular sphere support 4; the rubber spring 2, the upper pressure head 1 and the semi-sphere support 4 are assembled with a certain elongation.

Referring to fig. 3, the upper pressing head 1 is provided with a pressing curved surface with a spherical radian 11, and a stepped hole 12 is arranged below the pressing head.

Referring to fig. 4, the semicircular connecting sphere 3 is provided with a flange 31 and a central through hole 32.

Referring to fig. 5 to 6, a square flange 41 is provided on the sphere of the semi-sphere support 4, and a sleeving hole 42 and a cross-shaped groove 43 are provided on the base.

Referring to fig. 7 to 8, the rubber spring 2 is a rubber member having a square protruding head 21 and a rectangular protruding head 23 at both ends thereof, which are larger than the intermediate body, and a nut 22 is embedded in the rectangular protruding head 23.

Referring to fig. 9, the top end of the pressing guide rod 7 is provided with a socket 71 connected with the hemispherical seat 4.

The utility model discloses a go up the pressure head 1 and the face of shaping steel sheet contact is the arc curved surface, and the radius of curvature is slightly littleer than shaping steel sheet radius of curvature, and rubber spring 2 has the fixed connection of going up pressure head 1 and semicircle hookup spheroid 3 and hemisphere support 4 to and force and go up pressure head 1 automatic re-setting, hemisphere support 4 can insert fast in the interface 71 of suppression guide arm 7, and by guide arm screw 8 quick fixation, play the purpose of quick replacement pressure head. The upper end of the rubber spring 2 is a square raised head 21 which is larger than the middle body and is arranged in a cavity formed by the upper pressure head 1 and the semicircular connecting ball body 3; the upper pressure head 1 and the semicircular connecting sphere 3 are connected into a whole by a screw 6; the nut 5 is inlayed to the one end of rubber spring 2, can utilize the nut 5 to stretch rubber spring 2 when installing to hemispheric support 4, makes rubber spring 2 keep certain elasticity and fix in the "cross draw-in groove 43 of hemispheric support 4 bottom. The bottom of the semi-sphere support 4 is provided with a cross-shaped slotted hole with the same size as the rectangular raised head 23 at the lower end of the rubber spring 2, so that the rubber spring 2 can conveniently pass through the bottom of the semi-sphere support 4 smoothly and rotate 90 degrees and then be placed in the cross-shaped groove 43, thus under the elastic action of the rubber spring 2, the upper pressure head 1, the rubber spring 2, the semi-circle connecting sphere 3 and the semi-sphere support 4 are connected into a whole, the semi-circle connecting sphere 3 can drive the upper pressure head 1 to swing in a semi-sphere pit of the semi-sphere support 4, because the lower end part of the rubber spring 2 is fixed in a central through hole 32 of the semi-circle connecting sphere 3, and the swing of the external force drive can automatically reset under the elastic action of a rubber spring 2 midbody. The semi-sphere support 4 can be quickly inserted into the socket 71 of the pressing guide rod 7 and is quickly fixed by the guide rod screw 8, and different pressure heads or steel plate positioning rods and the like can be quickly replaced according to the pressing forming requirements.

The present invention is further described above, but not limited to this patent, and all equivalent implementations of the present invention are intended to be encompassed by the scope of the claims of this patent.

Claims (5)

1. A three-dimensional curved surface multipoint forming pressure head capable of being replaced quickly is characterized in that an upper pressure head (1) is fixedly connected with a semicircular connecting sphere (3) into a whole through a screw (6), a rubber spring (2) and a semicircular sphere support (4) form a spherical hinged swinging pressure head, the swinging pressure head is assembled by inserting the semicircular sphere support (4) and a pressing guide rod (7) and fixed through a guide rod screw (8), the upper pressure head (1) is provided with a pressing curved surface with a spherical radian (11), and a stepped hole (12) is formed below the pressure head; the semicircular connecting sphere (3) is provided with a flange (31) and a central through hole (32); a square flange (41) is arranged on the sphere of the semi-sphere support (4), and a sleeving hole (42) and a cross-shaped groove (43) are arranged on the base; the rubber spring (2) is a rubber part, two ends of the rubber spring are provided with a square raised head (21) and a rectangular raised head (23) which are larger than the intermediate body, the rubber spring (2) penetrates through the semicircular connecting sphere (3) through the central through hole (32), the square raised head (21) at the upper end of the rubber spring is embedded with the stepped hole (12) of the upper pressure head (1), and the rectangular raised head (23) at the lower end of the rubber spring is embedded with the cross-shaped groove (43) of the semicircular sphere support (4).

2. The rapidly replaceable three-dimensionally curved multi-point forming ram as claimed in claim 1, wherein the rectangular nose (23) has a nut (22) embedded therein.

3. The three-dimensional curved surface multipoint forming press head capable of being rapidly replaced according to the claim 1, characterized in that the rubber spring (2) and the upper press head (1) and the semi-sphere support (4) are assembled by spring stretching.

4. The quick replaceable multi-point forming ram with a three-dimensional curved surface according to claim 1, wherein the top of the pressing guide rod (7) is provided with a socket (71) for connecting with the semi-spherical seat (4).

5. The quick replaceable multi-point ram for forming three-dimensional curved surfaces according to claim 1, wherein the semi-spherical seat (4) is inserted into the insertion opening (71) of the pressing guide rod (7) through the sleeving hole (42) and is fixed by the guide rod screw (8).

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