CN210847778U - Mould suitable for various mould interfaces - Google Patents

Abstract

The utility model provides a mould that adapts to multiple mould interface, including upper die base, die holder, go up mould and lower mould, go up the mould and include two bases fixed on the upper die base, rotate the pivot of connection between two bases, cover establish the base block fixed on the pivot and surround at least three groups of last mould bodies that set up in the base block periphery, the tip surface of going up the mould body is the cambered surface, and the cambered surface curvature radius of different last mould bodies is different, the pivot is connected through the drive of the first servo motor fixed on the base; lower mould includes two base stations of sliding connection on the die holder and rotates two parallel arrangement's of connection on the base station roller respectively, and two base station threaded connection on a lead screw, the base station is opposite in the rotation on the lead screw, and the one end of lead screw is connected through fixing the second servo motor drive on the die holder, the utility model discloses the cost of can greatly reduced manufacturing, and machining precision and efficiency that can improve greatly.

Description

Mould suitable for various mould interfaces

Technical Field

The utility model relates to a mould, especially a mould that adapts to multiple mould interface.

Background

At present, in the forming process of automobile parts, because the specification of product is different, then need constantly change the adjustment to the mould of making the product to can adapt to the different machining dimension of product, for example with the help of the mould of difference in the mould, the rod or the panel of the different curvature radius of accomplishing not only has increased the cost of processing, comparatively wastes time and energy when changing adjusting device moreover, and efficiency is lower.

Therefore, a mold which can greatly reduce the production and manufacturing cost and can greatly improve the processing precision and efficiency and is suitable for various tire interfaces is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a mould of multiple mould interface of adaptation, cost that can greatly reduced manufacturing, and machining precision and efficiency that can improve greatly.

The utility model provides a following technical scheme:

a mould suitable for various mould interfaces comprises an upper mould base, a lower mould base, an upper mould and a lower mould, wherein the upper mould base is positioned above the lower mould base, and the upper mould fixed on the upper mould base and the lower mould fixed on the lower mould base are arranged oppositely; the upper mould comprises two bases fixed on an upper mould base, a rotating shaft rotationally connected between the two bases, a base block sleeved and fixed on the rotating shaft and at least three groups of upper mould bodies arranged around the periphery of the base block, wherein the end surface of each upper mould body is a cambered surface, the cambered surface curvature radii of different upper mould bodies are different, and the rotating shaft is in driving connection through a first servo motor fixed on the base; the lower mould comprises two base platforms which are connected on the lower die base in a sliding mode and two roll shafts which are connected on the base platforms in a rotating mode respectively, the two base platforms are connected on a screw rod in a threaded mode, the rotating directions of the base platforms on the screw rod are opposite, and one end of the screw rod is connected with the lower die base through a second servo motor which is fixed on the lower die base in a driving mode.

Preferably, the screw rod is fixed on the upper die base through a bearing with a base.

Preferably, any one of the centers of the cambered surfaces of the upper tire moving towards the lower tire in a pressing-down mode and the middle point of the distance between the two roll shafts are located on the same vertical plane.

Preferably, the upper mould body is provided with four groups, and two adjacent upper mould bodies are distributed at an interval of 90 degrees.

Preferably, one side of base block still is equipped with pivot end complex auto-lock subassembly, the auto-lock subassembly is including fixing four first spacing posts at pivot end, fix the spacing post of second on the base block and pass first spacing post and the spacing clamp plate of the spacing post of second and connection on the base block, and four first spacing posts and four spacing posts of second all are the rectangle and distribute, the circumscribed diameter center that corresponds with first spacing post place rectangle and the circumscribed diameter center that corresponds with the spacing post place rectangle of second all with pivot axle core collineation.

Preferably, the limiting pressure plate is connected with the base block through a bolt.

Preferably, the lower die base is also provided with a positioning block positioned on one side of the lower clamping fixture.

The utility model has the advantages that: four groups of upper mould bodies are arranged on the base block in a surrounding way, so that when the position with a curvature radius needs to be bent, only the first servo motor is needed to control the rotation of the rotating shaft to drive the upper mould body with the curvature radius to rotate to the bottommost position, meanwhile, the distance between the two roll shafts is adjusted through the driving of a second servo motor, so that the two ends of the cambered surface of the upper mould body are tangent when being contacted with the two roll shafts, a product is placed on the roll shaft, the press drives the upper die base to press down the upper die body until the product is contacted, because the roller shaft is rotatable, when the product is bent, rolling friction is formed between the product and the roller shaft, the traditional sliding friction is replaced, the bending degree can be adjusted, the manufacturing cost of die replacement and adjustment is reduced, the production efficiency is improved, friction damage of the product during bending can be reduced, and the production precision is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the present invention during pressing;

FIG. 3 is a side view of the self-locking assembly;

FIG. 4 is a schematic structural view of a limiting pressure plate;

FIG. 5 is a schematic structural view of the upper tire body;

notation in the figure: the device comprises an upper die base 1, a lower die base 2, an upper die 3, a lower die 4, a base 5, a rotating shaft 6, a base block 7, an upper die body 8, a base station 9, a roller shaft 10, a screw rod 11, a second servo motor 12, a first limiting column 13, a second limiting column 14, a limiting pressing plate 15 and a bolt 16.

Detailed Description

With reference to fig. 1 to 5, a mold suitable for multiple types of mold interfaces includes an upper mold base 1, a lower mold base 2, an upper mold 3, and a lower mold 4, in which the upper mold base 1 is located above the lower mold base 2, and the upper mold 3 fixed on the upper mold base 1 is disposed opposite to the lower mold 4 fixed on the lower mold base 2; the upper mould 3 comprises two bases 5 fixed on the upper mould base 1, a rotating shaft 6 rotatably connected between the two bases 5, a base block 7 sleeved and fixed on the rotating shaft 6 and at least three groups of upper mould bodies 8 arranged around the periphery of the base block 7, the end surface of each upper mould body 8 is a cambered surface, the cambered surface curvature radii of different upper mould bodies 8 are different, and the rotating shaft 6 is in driving connection through a first servo motor fixed on the base 5; the lower mould 4 comprises two base platforms 9 connected to the lower die holder 2 in a sliding mode and two parallel roll shafts 10 connected to the base platforms 9 in a rotating mode respectively, the two base platforms 9 are connected to a screw rod 11 in a threaded mode, the rotating directions of the base platforms 9 on the screw rod 11 are opposite, and one end of the screw rod 11 is connected with one end of a second servo motor 12 fixed to the lower die holder 2 in a driving mode.

The screw rod 11 is fixed on the upper die holder 1 through a bearing with a seat.

The center of the arc surface of any upper mould 3 which moves downwards towards the lower mould 4 and the middle point of the distance between the two roll shafts 10 are positioned on the same vertical plane.

Four sets of upper mould bodies 8 are arranged, and two adjacent upper mould bodies 8 are distributed at an interval of 90 degrees.

One side of the base block 7 is also provided with a self-locking component matched with the end part of the rotating shaft 6, the self-locking component comprises four first limit posts 13 fixed at the end part of the rotating shaft 6, a second limit post 14 fixed on the base block 7 and a limit pressure plate 15 which passes through the first limit posts 13 and the second limit post 14 and is connected on the base block 7, the four first limit posts 13 and the four second limit posts 14 are all distributed in a rectangular shape, the diameter center of the circumscribed circle corresponding to the rectangle where the first position-limiting post 13 is located and the diameter center of the circumscribed circle corresponding to the rectangle where the second position-limiting post 14 is located are collinear with the shaft core of the rotating shaft 6, so that after the first servo motor rotates in place, the rotating shaft 6 and the base block 7 can be connected and fixed through the limiting pressure plate 15, therefore, the first servo motor can be further assisted to realize the positioning of the upper mould body 8 after rotating in place, and the structural stability is better.

The limit pressure plate 15 is connected with the base block 7 through a bolt 16.

The lower die holder 2 is also provided with a positioning block positioned on one side of the lower mould 4, so that the positioning of the pressing position of the raw material of the product can be realized.

The utility model discloses a theory of operation is: four groups of upper mould bodies 8 are arranged on the base block 7 in a surrounding way, so that when a position with a curvature radius needs to be bent, only the first servo motor is needed to control the rotating shaft 6 to rotate, the upper mould body 8 with the curvature radius is driven to rotate to the bottommost position, meanwhile, the second servo motor 12 is used for driving and adjusting the distance between the two roll shafts 10, so that the two ends of the cambered surface of the upper mould body 8 are tangent when being contacted with the two roll shafts 10, a product is placed on the roll shafts 10, at the moment, the press drives the upper mould base 1 to press the upper mould body 8 downwards until the product is contacted, as the roll shafts 10 can rotate, when the product is bent, rolling friction is formed between the product and the roll shafts 10, the traditional sliding friction is replaced, the bending degree can be adjusted, the manufacturing cost of mould replacement and adjustment is reduced, the production efficiency is improved, and the friction damage of the product during bending can also be, the production precision is improved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A die suitable for various clamping fixture interfaces is characterized by comprising an upper die holder, a lower die holder, an upper clamping fixture and a lower clamping fixture, wherein the upper die holder is positioned above the lower die holder, and the upper clamping fixture fixed on the upper die holder is opposite to the lower clamping fixture fixed on the lower die holder;

the upper mould comprises two bases fixed on the upper mould base, a rotating shaft rotationally connected between the two bases, a base block sleeved and fixed on the rotating shaft and at least three groups of upper mould bodies arranged around the base block, the end surface of each upper mould body is a cambered surface, the cambered surface curvature radii of the different upper mould bodies are different, and the rotating shaft is in driving connection through a first servo motor fixed on the bases;

the lower mould comprises two base platforms which are connected to the lower die holder in a sliding mode and two roller shafts which are connected to the base platforms in parallel in a rotating mode respectively, the base platforms are connected to a screw rod in a threaded mode, the base platforms are opposite in rotating direction on the screw rod, and one end of the screw rod is connected to a second servo motor on the lower die holder in a driving mode.

2. The mold of claim 1, wherein the lead screw is fixed to the upper mold base by a bearing with a seat.

3. The mold of claim 1, wherein the center of the upper mold arch facing the lower mold is located on the same vertical plane as the midpoint of the distance between the two rollers.

4. The mold for accommodating multiple mold interfaces as claimed in claim 1, wherein the upper mold bodies are provided in four sets, and two adjacent upper mold bodies are spaced apart by 90 °.

5. The mold adapted to various tire interfaces as claimed in claim 4, wherein a self-locking assembly engaged with the end of the rotating shaft is further disposed on one side of the base block, the self-locking assembly includes four first limiting posts fixed on the end of the rotating shaft, a second limiting post fixed on the base block, and a limiting pressing plate passing through the first limiting post and the second limiting post and connected to the base block, and the four first limiting posts and the four second limiting posts are distributed in a rectangular shape, and the circumscribed circle diameter center corresponding to the rectangle where the first limiting post is located and the circumscribed circle diameter center corresponding to the rectangle where the second limiting post is located are collinear with the shaft core of the rotating shaft.

6. The mold for accommodating multiple clamping fixture interfaces as claimed in claim 5, wherein the limiting pressure plate is connected with the base block through bolts.

7. The mold suitable for multiple mold interfaces according to claim 1, wherein a positioning block is further disposed on the lower mold base and located on one side of the lower mold.

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