Device for holding a steel semi-finished product

Abstract

Device for receiving a semi-finished steel product, consisting of a support frame (1) with a guide frame (2) and a receiving ring (3) rotatably and lockably mounted in the guide frame (2), wherein the receiving ring (3) has a receptacle (11) for the semi-finished steel product (4) arranged centrally in the receiving ring (3).

Description

[0001] The invention relates to a device for receiving a steel semi-finished product according to the preamble of claim 1.

[0002] Such devices are used to turn semi-finished products.

[0003] Semi-finished products include HEA, HEB, HEM, IPE, I-beams, U-beams, UNP, angle steels as well as square, round and rectangular tubes.

[0004] Semi-finished steel products often have to be processed before installation, which often requires turning these semi-finished steel products during processing.

[0005] CN107598466 A discloses a device in which a steel semi-finished product is clamped centrally into the receptacles of two sufficiently spaced-apart retaining rings, and these retaining rings are placed with their outer surfaces on the outer surfaces of two rollers. Furthermore, an electric motor for rotating the steel semi-finished product is arranged at one end of the semi-finished product, in its rotational axis.

[0006] However, this device has the disadvantage that it is large and heavy due to the width of the mounting rings and the use of the electric motor.

[0007] In addition, this device has the disadvantage that during the insertion of the steel semi-finished product into the receptacles, these receptacle rings can become unintentionally twisted, whereby the steel semi-finished product can fall out of the receptacles before the receptacles are closed, which represents a great risk of accidents.

[0008] The main disadvantage, however, is that the holding ring of this device can only be used for one size of steel semi-finished products and therefore holding rings with differently dimensioned holders must be used for each other size of steel semi-finished products.

[0009] From CN115339052 A, a device is known in which the receiving ring has a toothing on its outer surface, which engages with a drive gear to rotate the receiving ring. Two extendable punches and two opposing support surfaces are arranged at right angles to each other in the receiving ring's receptacle. In use, a steel semi-finished product inserted into the receiving ring's receptacle is pressed against the two support surfaces by the two extendable punches, thus clamping it.

[0010] The disadvantage, however, is that the smaller the size of the steel semi-finished product, the more the center of mass of the steel semi-finished product leaves the rotation axis of the receiving ring and thus the weight force of the steel semi-finished product acting on the drive gear via the toothing increases, which can lead to unintentional twisting of the steel semi-finished product in the event of a failure of the drive gear.

[0011] The disadvantage of all the devices mentioned above is that they require an electric drive and therefore electrical energy.

[0012] Therefore, the object of the invention is to propose a device for receiving a steel semi-finished product, with which the steel semi-finished product is rotatably mounted in various sizes and without the use of electrical energy, wherein the steel semi-finished product can be moved by a processor about the rotation axis of the steel semi-finished product and the device is accident-proof.

[0013] This object is achieved by the features of claim 1. Useful embodiments emerge from subclaims 2 to 9.

[0014] The new device for holding a steel semi-finished product eliminates the aforementioned disadvantages of the state of the art.

[0015] When using the new device for receiving a semi-finished steel product, consisting of a support frame with a guide frame and a receiving ring which is rotatably and lockably mounted in the guide frame, wherein the receiving ring has a receptacle for the semi-finished steel product, it is particularly advantageous that the receptacle is arranged centrally in the receiving ring, because this allows the position of the semi-finished steel product to be rotated by the exertion of pressure by an operator on the semi-finished steel product, and thus this device for receiving a semi-finished steel product does not require an electric drive.

[0016] It is also advantageous if several supports, adjustable in length and lockable in position, are arranged in the holder of the holding ring and the distance between the supports arranged in pairs can be changed, because this allows these supports to be adapted to different sizes of semi-finished steel products in such a way that the center of mass of the semi-finished steel product is located on the rotation axis of the holding ring.

[0017] It is also advantageous if the receiving ring has a locking mechanism because, when the receiving ring is locked, e.g. when inserting the steel semi-finished product into the holder of the receiving ring, there is no unwanted twisting of the receiving ring and thus also of the steel semi-finished product.

[0018] It is particularly advantageous if a machined steel semi-finished product can be rotated into the desired orientation, because this can reduce the number of welding tests and the weld seam tests PA and PB are completely sufficient.

[0019] The new device for holding a semi-finished steel product will be explained in more detail using an example.

[0020] Show this: Fig. 1: Front view of the device with a steel semi-finished product, Fig. 2: Side view of the device, Fig. 3: Front view of the device with a steel semi-finished product in section, Fig. 4: Spatial representation of the device with a steel semi-finished product with the opening open, Fig. 5: Spatial representation of the device with a steel semi-finished product with the opening closed and Fig. 6: Front view of the device with a smaller steel semi-finished product.

[0021] In the embodiment, the new device for receiving a steel semi-finished product, according to the Fig. 1 to Fig. 3, a support frame 1 with a guide frame 2 and a receiving ring 3 which is rotatably and lockably mounted in the guide frame 2 and which is designed to receive a steel semi-finished product 4, according to the Fig. 4 and Fig. 5, serves.

[0022] The support frame 1 stands on rollers 5, which are pivotally mounted and can be locked by means of a foot lever 6.

[0023] The guide frame 2 consists of two semicircular and parallel opposite side elements 7, on each of which four support rollers 8 are mounted with their lateral surfaces facing each other and between which four carrying rollers 9 are mounted.

[0024] The receiving ring 3, which is supported between the two side elements 7 with its outer surface on the outer surfaces of the four support rollers 9 and with its side surface rotatable between the outer surfaces of the support rollers 8 and can be locked by means of the locking device 10, has a central rectangular receptacle 11 for the steel semi-finished product 4 and a closable opening 12 for the vertical introduction of the steel semi-finished product 4 into the receptacle 11.

[0025] In the receptacle 11, the receiving ring 3 has a plurality of supports 13, 13' which are adjustable and lockable in their length and which are supported on support profiles 14, 14' arranged on both sides of the receptacle 11 of the receiving ring 3 and on which the steel semi-finished product 4 is in turn supported according to its size, according to the Fig. 1 and Fig. 6, supports.

[0026] In application of the new device for holding a steel semi-finished product, according to the Fig. 1 to Fig. 3, at least two of these devices are aligned with each other in alignment with their receptacles 11. Then, the corresponding roller 5 on each support frame 1 is secured with the foot lever 6, so that the at least two devices can no longer be moved.

[0027] Subsequently, at least two devices are each, according to the Fig. 4 and Fig. 5, the locking mechanism 10 is released, and the receiving ring 3 is positioned so that it is aligned vertically upwards with the opening 12. The locking mechanism 10 is then closed again, whereby the receiving ring 3 is clamped to the guide frame 2 by the locking mechanism 10, thus preventing any unintentional movement of the receiving ring 3.

[0028] Thereafter, the opening 12 is opened and the steel semi-finished product 4 is placed from above, through the opening 12, onto the supports 13' arranged in the holder 11 and supported on the holder ring 3 via the support profiles 14'.

[0029] Subsequently, the length of the supports 13 is changed in such a way that the steel semi-finished product 4 is clamped centrally between these supports 13, relative to the cross-section of the holder 11.

[0030] Now, the opening 12 of the receiving ring 3 is closed again, and the supports 13' of the opening 12 are also adjusted in length such that the steel semi-finished product 4 is clamped centrally in the receiving ring 11 and between the supports 13'. The steel semi-finished product 4 is thus positioned centrally in the receiving ring 11.

[0031] If the steel semi-finished product 4 needs to be rotated in its position for processing, an operator releases the locking mechanism 10 and, by applying pressure to the steel semi-finished product 4, rotates it in its position until the desired position is reached. Finally, the locking mechanism 10 is closed again.

[0032] It is conceivable that the supports 13' can be changed in their pairwise distance from one another, so that steel semi-finished products 4 of different sizes can be placed on the supports 13'.

[0033] It is conceivable that these supports 13' are detachably fastened in through holes 15 of the support profiles 14' arranged transversely to the holder 11, wherein these through holes 15 are spaced from each other such that the steel semi-finished product 4 is supported in its respective sizes by the supports 13' arranged in pairs in the through holes 15. Examples are shown in Fig. 1 and Fig. 6 two sizes of steel semi-finished products.

[0034] It is also conceivable that the support profiles 14' have elongated holes running transversely to the holder 11 and are detachably fastened to the supports 13', so that the supports 13' arranged in pairs can be moved to the necessary distance from one another.

[0035] Alternatively, it is also conceivable that the supports 13' arranged in pairs are non-positively connected to one another via their support surfaces by means of a support strut, so that when the device is used, the supports 13' support the steel semi-finished product 4 via the support strut.

[0036] It is also conceivable that the supports 13, 13' have a screw thread which is locked by means of a lock nut.

[0037] It is also conceivable that the supports 13, 13' are pneumatic or hydraulic lifting cylinders. List of reference symbols 1 support frame 2 guide frames 3 mounting ring 4 semi-finished steel products 5 roll 6 foot levers 7 Page Element 8 support roller 9 Support roller 10 Locking 11 Recording 12 Opening 13, 13' support 14, 14' support profile 15 through hole QUOTES CONTAINED IN THE DESCRIPTION

[0000] This list of documents submitted by the applicant was generated automatically and is included solely for the convenience of the reader. This list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions. Cited patent literature

[0000] CN 107598466 A

[0005] CN 115339052 A

[0009]

Claims

[1] Device for receiving a steel semi-finished product, consisting of a support frame (1) with a guide frame (2) and a receiving ring (3) rotatably and lockably mounted in the guide frame (2), wherein the receiving ring (3) has a receptacle (11) for the steel semi-finished product (4) arranged centrally in the receiving ring (3). [2] Device according to claim 1, characterized by that a plurality of supports (13, 13') which are adjustable in length and lockable are arranged in the receptacle (11). [3] Device according to claim 2, characterized by that the supports (13') arranged in pairs can be varied in their distance from one another. [4] Device according to claim 3, characterized by that the supports (13') arranged in pairs are detachably fastened in through holes (15) of the support profiles (14') arranged transversely to the holder (11), these through holes (15) being adapted to the different sizes of steel semi-finished products (4). [5] Device according to claim 3, characterized by that the supports (13') arranged in pairs are detachably fastened in elongated holes in the support profiles (14') running transversely to the holder (11), so that the supports (13') arranged in pairs can be displaced to the necessary distance from one another. [6] Device according to claim 2, characterized by that the supports (13') arranged in pairs are non-positively connected to one another in pairs via their support surfaces by means of a support strut. [7] Device according to one of the preceding claims, characterized by that the receiving ring (11) has a locking device (10) which prevents rotation of the receiving ring (11) when the receiving ring (11) is in the locked state. [8] Device according to one of the preceding claims, characterized by that the receiving ring (3) has a closable opening (12) for the vertical insertion of the steel semi-finished product (4) into the receptacle (11). [9] Device according to one of the preceding claims, characterized by that the supports (13, 13') each: - have a screw thread which can be fixed in its unscrewed length by a lock nut, or - pneumatic or hydraulic lifting cylinders.

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