CN218252158U - A roll changing device - Google Patents

Abstract

The utility model provides a roll changing device, which relates to the technical field of metallurgical equipment. The roll changing device includes a lifting mechanism, an overturning frame, a turning power mechanism and a push-pull power mechanism arranged in an installation groove. The installation groove is opened on the ground, and the lifting mechanism includes The driving part connected with the drive is connected with the supporting frame, the supporting frame moves relative to the ground, and the turning frame is provided with a first plane; When the roller is used, the push-pull power mechanism is flush with the work roll. When the work roll does not need to be replaced, the first plane is flush with the workshop floor. The utility model is provided with a lifting mechanism and a turning power mechanism. When the turning frame and the lifting mechanism are working, The working roll to be replaced can be pulled out by the push-pull power mechanism, and the new working roll can be pushed in to complete the replacement of the working roll. When the turning frame and the lifting mechanism are not working, they can be flush with the workshop floor, which is convenient for personnel to pass.

Description

A roll changing device

technical field

The utility model relates to the technical field of metallurgical equipment, in particular to a roll changing device.

Background technique

When existing four-high rolling mills need to change rolls, a roll changing trolley is needed to pull the old rolls from the rolling mill into the traversing carriage. The roll trailer pushes the new roll on the traversing vehicle into the stand, which has a complicated structure, many steps for changing rolls, and complex construction of the on-site infrastructure, especially the large volume and weight of the traversing device. Structural characteristics, the upper surface of the traversing vehicle is higher than the zero-elevation ground plane of the workshop, which is not conducive to the passability of the workshop floor.

Utility model content

The problem to be solved by the utility model is how to enable people to pass between the roll changing device and the workshop floor when the roll is not being changed.

To this end, the utility model provides a roll changing device, which includes a lifting mechanism, an overturning frame, a turning power mechanism and a push-pull power mechanism arranged in an installation groove. The installation groove is opened on the workshop floor, wherein the lifting mechanism It is used to be arranged at the bottom of the installation groove, and includes a driving member and a supporting frame, and the driving member is drivingly connected to the supporting frame so that the supporting frame moves up and down relative to the workshop floor; the turning frame It is arranged on one side of the lifting mechanism, and is rotatably connected to the groove wall of the installation groove, and there is a first plane on the turning frame; the push-pull power mechanism is arranged on the turning frame, and is used for The working rolls are driven and connected to move the working rolls toward or away from the lifting mechanism; the turning power mechanism is drivingly connected to the turning frame and used to drive the turning frame to turn over, so that when the working roll needs to be replaced The push-pull power mechanism is flush with the work roll to be replaced, and the first plane is flush with the workshop floor when the work roll does not need to be replaced.

Optionally, the lifting mechanism further includes a lifting frame and a base, the base is used to connect with the bottom of the installation groove, and the two ends of the lifting frame are respectively connected with the supporting frame and the base, so that The driving part is drivingly connected with the lifting frame, and the driving part is used to drive the supporting frame to move up and down relative to the base.

Optionally, the lifting frame includes a first connecting plate and a first bracket and a second bracket arranged crosswise, the first bracket and the second bracket are rotatably connected, and one end of the first bracket is connected to the base Or the first connecting plate is rotatably connected, the other end of the first bracket abuts against the first connecting plate or the base, one end of the second bracket is in contact with the first connecting plate or the base Rotationally connected, the other end of the second bracket abuts against the base or the first connecting plate, and the first connecting plate is connected to the supporting frame.

Optionally, the first bracket includes a first hinge part and a second hinge part, the second bracket includes a third hinge part and a fourth hinge part, and the first bracket includes the first hinge part and the fourth hinge part. The base is hinged, the first bracket is in contact with the first connecting plate through the second hinge portion, the second bracket is hinged with the first connecting plate through the third hinge portion, and the first bracket is hinged with the first connecting plate through the third hinge portion. The two brackets abut against the base through the fourth hinge portion.

Optionally, the driving member is a lifting cylinder, the telescopic end of the lifting cylinder is connected to the end of the first bracket close to the first connecting plate, and the other end of the lifting cylinder is connected to the base, so that The lifting cylinder is used to drive the first connecting plate to move relative to the base.

Optionally, guide grooves are provided on the base and the first connecting plate, and the second hinged part and the fourth hinged part are used to connect with the guide grooves, and are in the guide grooves move.

Optionally, the lifting frame further includes guide wheels, the second hinge part and the fourth hinge part are both provided with guide wheels, the guide groove is connected with the guide wheels, and the second hinge part and the fourth hinge part are connected to each other. The fourth hinge part is used to move in the guide groove through the guide wheel.

Optionally, the roll changing device further includes a support seat, the support seat is connected to the first connecting plate, the support frame is connected to the elevating frame through the support seat, and the support seat is on the The position on the first connecting plate is symmetrical to the position where the second hinge part and the third hinge part connect the first connecting plate with respect to the first connecting plate.

Optionally, the overturn frame includes a first overturn plate and a second overturn plate arranged vertically, the first plane is set on the first overturn plate, and the first overturn plate faces the side of the lifting mechanism A connection hole is opened, the push-pull power mechanism is arranged in the connection hole, and the turning power mechanism is drivingly connected to the second turning plate.

Optionally, the roll changing device further includes a column and an overturning shaft, the upright column is connected to the bottom of the installation groove, one end of the overturning shaft is connected to the groove wall of the installation groove, and the other end is connected to the The column is connected, and the turning shaft is passed through the joint of the first turning plate and the second turning plate, and the first turning plate and the second turning plate are used to rotate around the turning axis.

Compared with the prior art, the beneficial effects of the roll changing device described in the utility model are:

The utility model provides an installation groove on the floor of the workshop, and the lifting mechanism, the turning frame, the turning power mechanism and the push-pull power mechanism can all be arranged in the installation groove. They are all arranged on the groove wall of the installation groove, and the flip frame can rotate relative to the groove wall of the installation groove. The lifting mechanism includes a support frame and a driving part. The support frame is located on the upper part of the lifting mechanism. In the descending state, the supporting frame is flush with the workshop floor, the turning frame is drivingly connected with the turning power mechanism, and the push-pull power mechanism is connected to the turning frame. The turning frame includes the first plane. When it is not working, the first plane is flush with the workshop floor. Personnel can pass freely on the workshop floor, the first plane and the upper surface of the support frame. The lifting mechanism and the turning frame can be arranged adjacent to each other, so that the upper surface of the support frame can be connected with the first plane, which is more convenient for personnel to pass. , the driving part drives the support frame to move upwards, the lifting mechanism is in the rising state, the overturning frame is driven by the overturning power mechanism to overturn, and the push-pull power mechanism is driven to overturn. It is connected with the drive of the work roll, which is convenient to pull the work roll that needs to be replaced to the upper surface of the support frame, and is convenient to remove the work roll that needs to be replaced. After the new work roll is placed on the upper surface of the support frame, the push-pull power mechanism Push the new work roll back to the working position to complete the replacement of the work roll. The utility model has a simple structure. By setting the lifting mechanism and the turning power mechanism, the turning frame and the lifting mechanism can be flush with the workshop floor when they are not working, which is convenient. Personnel pass between the roll changing device and the workshop floor.

Description of drawings

Fig. 1 is one of structural representations of the roll changing device described in the embodiment of the present invention;

Fig. 2 is one of the structural schematic diagrams of the lifting mechanism described in the embodiment of the present invention;

Fig. 3 is the second structural diagram of the lifting mechanism described in the embodiment of the utility model;

Fig. 4 is one of the structural schematic diagrams of the overturn frame and the overturn power structure described in the embodiment of the present invention;

Fig. 5 is the second structural diagram of the turning frame and the turning power structure described in the embodiment of the present invention.

Explanation of reference signs:

1-turning frame; 2-turning power mechanism; 3-push-pull power mechanism; 4-support frame; 5-base; 61-first connecting plate; 62-first bracket; Hinged part; 63-second bracket; 631-third hinged part; 632-fourth hinged part; 7-lift cylinder; 8-guiding wheel; 9-overturn shaft; Work roll; 13-workshop floor; 14-guide groove; 15-first turning plate; 151-first plane; 16-second turning plate; 17-column; 18-fixing block.

detailed description

In order to make the above purpose, features and advantages of the utility model more obvious and easy to understand, specific embodiments of the utility model will be described in detail below in conjunction with the accompanying drawings.

It should be noted that, in the description of the present disclosure, "up", "down", "left", "right", "top", "bottom", "front", "rear", "inside" and The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present disclosure, and does not indicate or imply that the referred device must have a specific orientation or be configured in a specific orientation. and manipulation, and therefore cannot be construed as limiting the scope of protection of the present disclosure.

The terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features.

Moreover, although the invention has been described in this disclosure with reference to specific embodiments, it should be understood that these embodiments are merely exemplary of the principles and applications of the invention. It is therefore to be understood that numerous modifications may be made to the exemplary embodiments and that other arrangements may be devised without departing from the spirit and scope of the invention as defined by the appended claims. It shall be understood that different dependent claims and features described herein may be combined in a manner not described in the original claims. It will also be appreciated that features described in connection with individual embodiments can be used in other described embodiments.

In order to solve the above problems, as shown in Figure 1 and Figure 3, the utility model provides a roll changing device, including a lifting mechanism arranged in the installation groove, a turning frame 1, a turning power mechanism 2 and a push-pull power mechanism 3, the The installation groove is opened on the workshop floor 13, wherein the lifting mechanism is used to be arranged at the bottom of the installation groove, and includes a driver and a support frame 4, and the driver is connected to the support frame 4 by driving, so that The support frame 4 moves up and down relative to the workshop floor 13; the flip frame 1 is arranged on one side of the lifting mechanism, and is rotatably connected to the groove wall of the installation groove, and the flip frame has a first plane 151; the push-pull power mechanism 3 is arranged on the overturn frame 1, and is used to drive and connect with the work roll 12, so that the work roll 12 moves toward or away from the lifting mechanism; the overturn power mechanism 2 It is drivingly connected with the overturn frame 1, and is used to drive the overturn frame 1 to overturn, so that when the work roll 12 needs to be replaced, the push-pull power mechanism 3 is flush with the work roll 12 to be replaced. When the work roll 12 does not need to be replaced, the first plane 151 is flush with the workshop floor 13 .

In this embodiment, by setting up an installation groove on the workshop floor 13, the lifting mechanism, the overturning frame 1, the turning power mechanism 2 and the push-pull power mechanism 3 can all be arranged in the installation groove, and the lifting mechanism is arranged on the bottom of the installation groove. The overturning frame 1 and the overturning power mechanism 2 are both arranged on the groove wall of the installation groove, and the overturning frame 1 can rotate relative to the groove wall of the installation groove. , when not working, the driving part does not move, the lifting mechanism is in a descending state, the support frame 4 is flush with the workshop floor 13, the turning frame 1 is drivingly connected to the turning power mechanism 2, the push-pull power mechanism 3 is connected to the turning frame 1, and the turning frame 1 includes the first plane 151, when not working, the first plane 151 is flush with the workshop floor 13, personnel can pass freely on the workshop floor 13, the first plane 151 and the upper surface of the support frame 4, the lifting mechanism and the turning frame 1 can Arranged adjacently, the upper surface of the support frame 4 can be connected with the first plane 151, which is more conducive to the passage of personnel. When the roll needs to be changed, the driver drives the support frame 4 to move upward, the lifting mechanism is in the rising state, and the turning frame 1 is driven by the turning power. Mechanism 2 drives overturning and drives push-pull power mechanism 3 to turn over. At this time, support frame 4 and push-pull power mechanism 3 are facing the work roll 12 that needs to be replaced, and push-pull power mechanism 3 is connected to the work roll 12 by driving, so that the work roll that needs to be replaced 12 is pulled to the upper surface of the support frame 4 to facilitate the removal of the work roll 12 that needs to be replaced. After the new work roll 12 is placed on the upper surface of the support frame 4, the new work roll 12 is pushed by the push-pull power mechanism 3 Return to the working position to complete the replacement of the work roll 12. The utility model has a simple structure. By setting the lifting mechanism and the turning power mechanism 2, the turning frame 1 and the lifting mechanism can be flush with the workshop floor 13 when they are not working, which is convenient for personnel to work on Pass between the roll changing device and the workshop floor.

Specifically, the location of the installation groove can be opened on the workshop floor near the work roll 12 to be replaced, so that the work roll 12 can be pulled out easily. The push-pull power mechanism 3 can be a hydraulic cylinder or an air cylinder, and the piston end of the push-pull power mechanism can pass through The bar is connected to the work roll 12, and the type of the push-pull power mechanism 3 is only required to be able to push and pull the work roll 12, which is not specifically limited here. The turning power mechanism 2 can be a hydraulic cylinder or an air cylinder, and the type of push-pull power mechanism 3 As long as the inverting frame 1 can be turned over, there is no specific limitation here. As shown in Figure 3, the roll changing device also includes a synchronous shaft 10, the roll changing device can be multiple, and a plurality of the roll changing devices are connected through the synchronous shaft 10, and the synchronous shaft 10 is used to make A plurality of said synchronous shafts 10 are synchronously lifted and lowered.

Optionally, as shown in Figure 1, the lifting mechanism also includes a lifting frame and a base 5, the base 5 is used to connect with the bottom of the installation groove, and the two ends of the lifting frame are respectively connected to the support The frame 4 is connected to the base 5, and the driving member is connected to the elevating frame by driving, and the driving member is used to drive the supporting frame 4 to move up and down relative to the base 5.

In this embodiment, a lifting frame and a base 5 are set, and the base 5 can be placed on the bottom of the installation groove. By setting the base 5, the lifting mechanism can move horizontally in the installation groove, and the two ends of the lifting frame are connected to the support frame respectively. 4 and the base 5 are connected, and the lifting frame can be driven by the driving part to expand and contract. When the lifting frame is shortened, the support frame 4 is flush with the ground 13, which is convenient for personnel to pass. When the lifting frame is extended, the support frame 4 moves away from the base 5 to support The frame 4 faces the work roll 12 that needs to be replaced, and the support frame 4 is provided to accept the work roll 12, so that the work roll 12 can be easily removed.

Optionally, as shown in Figure 1 and Figure 2, the lifting frame includes a first connecting plate 61 and a first bracket 62 and a second bracket 63 arranged crosswise, the first bracket 62 and the second bracket 63 Rotationally connected, one end of the first bracket 62 is rotationally connected with the base 5 or the first connecting plate 61, and the other end of the first bracket 62 is against the first connecting plate 61 or the base 5 Then, one end of the second bracket 63 is rotatably connected with the first connecting plate 61 or the base 5, and the other end of the second bracket 63 is in contact with the base 5 or the first connecting plate 61. , the first connecting plate 61 is connected to the support frame 4 .

In this embodiment, by setting the first connecting plate 61, the supporting frame 4 can be placed on the first connecting plate 61, so that the supporting frame 4 can be separated from the elevating frame, which is convenient for maintenance and moving. Two brackets 63, the first bracket 62 and the second bracket 63 can be rod-shaped structures, the first bracket 62 and the second bracket 63 are intersected, and the junction can be fixed by pins, so that the first bracket 62 and the second bracket 63 can be Relatively rotate, the connection mode of first support 62 and second support 63 and first connecting plate 61, and the connection mode of first support 62 and second support 63 and base 5, can adopt following structure, the first support 62 and the second A connecting plate 61 is hinged, and the second bracket 63 is hinged with the first connecting plate 61. At this time, the first bracket 62 and the second bracket 63 all abut against the base 5. In this case, when the elevating frame is extended, the first One end that the support 62 and the second support 63 are connected with the first connecting plate 61 all take the hinge point as the axis to rotate relative to the first connecting plate 61, and correspondingly, the end that the first support 62 and the second support 63 are connected with the base 5 is on the base. 5, to make the lifting frame elongate; the first support 62 and the second support 63 can also all abut against the first connecting plate 61, and at this moment, the first support 62 and the second support 63 are all hinged with the base 5, which In this case, when the elevating frame is elongated, one end of the first support 62 and the second support 63 connected to the base 5 will rotate relative to the base 5 with the hinge point as the axis. One end connected by a connecting plate 61 moves on the first connecting plate 61, so that the elevating frame is elongated; the first support 62 also can be hinged at one end with the base 5, and the other end abuts against the first connecting plate 61. At this moment, the second One end of the support 63 is in contact with the base 5, and the other end is hinged with the first connecting plate 61. In this case, when the elevating frame is extended, the hinged end of the first support 62 and the base 5 rotates around the hinge point, and the second support 63 is hinged with the first connecting plate 61 and rotates around the hinge point. Correspondingly, the end of the first bracket 62 abutting against the first connecting plate 61 moves on the first connecting plate 61, and the second bracket 63 and the base 5 abutting end moves on the base 5, so that the elevating frame is elongated.

Optionally, as shown in FIGS. 1 and 2 , the first bracket 62 includes a first hinge portion 621 and a second hinge portion 622 , and the second bracket 63 includes a third hinge portion 631 and a fourth hinge portion 632 , the first bracket 62 is hinged to the base 5 through the first hinge portion 621 , the first bracket 62 abuts against the first connecting plate 61 through the second hinge portion 622 , the first The second bracket 63 is hinged to the first connecting plate 61 through the third hinge portion 631 , and the second bracket 63 abuts against the base 5 through the fourth hinge portion 632 .

In this embodiment, the two ends of the first bracket 62 are respectively the first hinged part 621 and the second hinged part 622, and the two ends of the second bracket 63 are respectively the third hinged part 631 and the fourth hinged part 632. The bracket 62 is hinged to the base 5 through the first hinge part 621, the second hinge part 622 of the first bracket 62 abuts against the first connecting plate 61, and the second bracket 63 is hinged to the first connecting plate 61 through the third hinge part 631, The fourth hinge part 632 of the second bracket 63 abuts against the base 5. When the lifting frame is extended, the first bracket 62 rotates relative to the base 5 through the first hinge part 621, and the second hinge part 622 moves on the first connecting plate 61. , the second bracket 63 rotates relative to the first connecting plate 61 through the third hinged part 631, and the fourth hinged part 632 moves on the base 5 to elongate the elevating frame. Both have a hinged joint and an abutting joint, and the connection is relatively stable. When the second hinged part 622 moves on the first connecting plate 61 and the fourth hinged part 632 moves on the base 5, it is difficult to deviate.

Optionally, as shown in Figures 1 and 2, the driving member is a lifting cylinder 7, and the telescopic end of the lifting cylinder 7 is connected to the end of the first bracket 62 close to the first connecting plate 61, so The other end of the lifting cylinder 7 is connected to the base 5 , and the lifting cylinder 7 is used to drive the first connecting plate 61 to move relative to the base 5 .

In this embodiment, the driving part is set as a lifting cylinder 7, one end of the lifting cylinder 7 is arranged on the base 5, and the other end is connected with the end of the first bracket 62 close to the first connecting plate 61, when working, the lifting cylinder 7 extends Long, drive the end that the first bracket 62 is connected with the first connecting plate 61 to slide on the first connecting plate 61, drive the hinged end of the first bracket 62 and the base 5 to rotate, and the second bracket 63 is hinged with the first connecting plate 61 One end rotates around the hinge point, and the end of the second bracket 63 abutting against the base 5 moves on the base 5 to extend the lifting frame. The lifting cylinder 7 can be a hydraulic cylinder or an air cylinder. One connecting plate 61 can be moved relative to the base 5 , which is not specifically limited here. The lifting cylinder 7 is set to drive the first bracket 62 to facilitate the movement of the first connecting plate 61 relative to the base 5 .

Optionally, as shown in Figures 1 and 2, guide grooves 14 are provided on the base 5 and the first connecting plate 61, and the second hinged part 622 and the fourth hinged part 632 are used for It is connected with the guide groove 14 and moves in the guide groove 14.

In this embodiment, by opening the guide groove 14 on the base 5 and the first connecting plate 61, the second hinged part 622 and the fourth hinged part 632 can be placed in the guide groove 14, so that the second hinged part 622 and the fourth hinged part The hinged part 632 moves in the guide groove 14, which is not easy to shift and enhances the structural stability of the device.

Optionally, as shown in FIG. 2 , the lifting frame further includes guide wheels 8, the second hinged part 622 and the fourth hinged part 632 are both provided with guide wheels 8, and the guide groove 14 and the The guide wheel 8 is connected, and the second hinged part 622 and the fourth hinged part 632 are used to move in the guide groove 14 through the guide wheel 8 .

In this embodiment, by setting guide wheels 8 on the second hinged part 622 and the fourth hinged part 632, the second hinged part 622 and the fourth hinged part 632 can be connected with the guide groove 14 through the guide wheels 8, and the guide wheels 8 can roll in the guide groove 14, reducing the friction generated by the movement of the second hinged part 622 and the fourth hinged part 632 in the guide groove 14, so that the second hinged part 622 and the fourth hinged part 632 can move in the guide groove 14 move within.

Optionally, as shown in Figures 1 and 2, the roll changing device further includes a support base 11, the support base 11 is connected to the first connecting plate 61, and the support frame 4 passes through the support base 11 Connected with the lifting frame, the position of the support seat 11 on the first connecting plate 61 is connected to the position of the first connecting plate 61 with the second hinged portion 622 and the third hinged portion 631 , which is symmetrical with respect to the first connecting plate 61 .

In this embodiment, by setting the support seat 11 between the support frame 4 and the lifting frame, the support seat 11 is connected to the first connecting plate 61, and there may be multiple support seats 11, and the support seat 11 is on the first connecting plate 61. The positions above correspond to the positions of the second hinged part 622 and the third hinged part 631 on the first connecting plate 61, and the gravity of the support frame 4 is transmitted to the first connecting plate 61 through the supporting seat 11, because the first connecting plate 61 The stress point is the connection position between the support seat 11 and the first connecting plate 61, and the second hinge part 622 and the third hinge part 631 are used as supports under the stress point to make the overall structure more stable.

Optionally, as shown in FIG. 1 , FIG. 4 and FIG. 5 , the inverting frame 1 includes a vertically arranged first inverting plate 15 and a second inverting plate 16, and the first plane 151 is arranged on the first inverting plate On the plate 15, the first flipping plate 15 is provided with a connecting hole facing the side of the lifting mechanism, the push-pull power mechanism 3 is arranged in the connecting hole, and the flipping power mechanism 2 and the second flipping plate 16 drive connections.

In this embodiment, the first inverting plate 15 and the second inverting plate 16 are provided. The first inverting plate 15 and the second inverting plate 116 can be vertically arranged in an L-shaped structure. The first plane 151 is arranged on the first inverting plate 15 Above, the overturning power mechanism 2 is driven and connected with the second overturning plate 16. The overturning power mechanism 2 can be a hydraulic cylinder. When there is no need to change the roll, the overturning power mechanism 2 is shortened. Located in the vertical direction, below the first turnover plate 15, at this time the first plane 151 is flush with the workshop floor 13; when the roll needs to be changed, the turning power mechanism 2 is extended, so that the first turnover plate 15 and the second turnover plate 16 Turn over 90 degrees together. At this time, the second turnover plate 16 is located in the horizontal direction, and the first turnover plate 15 is located in the vertical direction. Above the second turnover plate 16, the first turnover plate 15 offers connection holes towards the side of the lifting mechanism, push-pull The power mechanism 3 can be arranged in the connection hole. When the roll needs to be changed, the push-pull power mechanism 3 is facing the work roll 12 to be replaced. By setting the first turning plate 15, the installation position is provided for the pushing-pull power mechanism 3, and the second turning plate 16 is set. , providing a connection position for the flipping power mechanism 2, the structure is simple, and the flipping effect can be realized.

Optionally, as shown in Fig. 1, Fig. 4 and Fig. 5, the roll changing device also includes a column 17 and an overturning shaft 9, the upright post 17 is connected with the groove bottom of the installation groove, and the overturning shaft 9 One end is connected to the groove wall of the installation groove, and the other end is connected to the column 17. The turning shaft 9 is passed through the connection between the first turning plate 15 and the second turning plate 16. A turning plate 15 and the second turning plate 16 are used to rotate around the turning axis 9 . .

In this embodiment, by setting the turning shaft 9 and the upright 17, the upright 17 is arranged on the bottom surface of the installation groove to provide the installation position for the turning shaft 9. One end of the turning shaft 9 is connected with the upright 17, and the other end is connected with the groove of the installation groove. Wall connection, the connecting position of the first turning plate 15 and the second turning plate 16 can open a through hole, and the turning shaft 9 is penetrated in the through hole, and is connected with the first turning plate 15 and the second turning plate 16 in rotation, so that the first turning When the plate 15 and the second inverting plate 16 need to be inverted, they can be inverted around the inverting shaft 9 to facilitate the rotation of the first inverting plate 15 and the second inverting plate 16 .

Specifically, the flip frame 1 also includes a fixed block 18, the fixed block 18 is connected on the groove wall of the installation groove, the side of the fixed block 18 opposite to the groove wall of the installation groove is connected with the first flip plate 15, and the upper surface of the fixed block 18 Flush with workshop ground 13, in order to fill up the space between overturn frame 1 and workshop ground, the fixed end of overturning power mechanism 2 can be connected in the bottom of fixed block 18, is connected with the groove wall of installation groove by fixed block 18.

Although the present disclosure is disclosed as above, the protection scope of the present disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and these changes and modifications will all fall within the protection scope of the present utility model.

Claims (10)

1. A roll changing device is characterized by comprising a lifting mechanism, a roll-over stand (1), a roll-over power mechanism (2) and a push-pull power mechanism (3) which are arranged in a mounting groove, wherein the mounting groove is arranged on the workshop ground (13),

the lifting mechanism is arranged at the bottom of the mounting groove and comprises a driving part and a supporting frame (4), and the driving part is in driving connection with the supporting frame (4) so as to enable the supporting frame (4) to move up and down relative to the workshop ground (13);

the roll-over stand (1) is arranged on one side of the lifting mechanism, is rotatably connected with the groove wall of the mounting groove and is provided with a first plane (151);

the push-pull power mechanism (3) is arranged on the roll-over stand (1) and is used for being in driving connection with the working roll (12) so as to enable the working roll (12) to move towards or away from the lifting mechanism;

the overturning power mechanism (2) is in driving connection with the overturning frame (1) and is used for driving the overturning frame (1) to overturn, so that when the working roller (12) needs to be replaced, the push-pull power mechanism (3) is flush with the working roller (12) to be replaced, and when the working roller (12) does not need to be replaced, the first plane (151) is flush with the workshop ground (13).

2. The roll changing device according to claim 1, wherein the lifting mechanism further comprises a lifting frame and a base (5), the base (5) is used for being connected with the bottom of the installation groove, two ends of the lifting frame are respectively connected with the supporting frame (4) and the base (5), the driving piece is in driving connection with the lifting frame, and the driving piece is used for driving the supporting frame (4) to move up and down relative to the base (5).

3. The roll changing device according to claim 2, characterized in that the lifting frame comprises a first connecting plate (61) and a first bracket (62) and a second bracket (63) which are arranged in a crossed manner, the first bracket (62) and the second bracket (63) are rotatably connected, one end of the first bracket (62) is rotatably connected with the base (5) or the first connecting plate (61), the other end of the first bracket (62) is abutted against the first connecting plate (61) or the base (5), one end of the second bracket (63) is rotatably connected with the first connecting plate (61) or the base (5), the other end of the second bracket (63) is abutted against the base (5) or the first connecting plate (61), and the first connecting plate (61) is connected with the supporting frame (4).

4. A roller change device according to claim 3, characterized in that the first bracket (62) comprises a first articulation (621) and a second articulation (622), the second bracket (63) comprises a third articulation (631) and a fourth articulation (632), the first bracket (62) is articulated with the base (5) by means of the first articulation (621), the first bracket (62) is in abutment with the first connection plate (61) by means of the second articulation (622), the second bracket (63) is articulated with the first connection plate (61) by means of the third articulation (631), and the second bracket (63) is in abutment with the base (5) by means of the fourth articulation (632).

5. A roll changing device according to claim 4, characterized in that the driving member is a lift cylinder (7), the telescopic end of the lift cylinder (7) is connected with one end of the first bracket (62) close to the first connecting plate (61), the other end of the lift cylinder (7) is connected with the base (5), and the lift cylinder (7) is used for driving the first connecting plate (61) to move relative to the base (5).

6. A roller change device according to claim 5, characterized in that the base (5) and the first connecting plate (61) are provided with guide slots (14), and the second hinge portion (622) and the fourth hinge portion (632) are used for connecting with the guide slots (14) and moving in the guide slots (14).

7. Roll changing device according to claim 6, characterized in that the crane further comprises a guide wheel (8), the second articulation (622) and the fourth articulation (632) each being provided with a guide wheel (8), the guide slot (14) being connected with the guide wheel (8), the second articulation (622) and the fourth articulation (632) being adapted to be moved within the guide slot (14) by the guide wheel (8).

8. A roller change device according to claim 4, characterized in that it further comprises a support base (11), said support base (11) being connected to said first connection plate (61), said support frame (4) being connected to said crane through said support base (11), the position of said support base (11) on said first connection plate (61), the position of said second hinge (622) and said third hinge (631) connecting said first connection plate (61), being symmetrical with respect to said first connection plate (61).

9. The roll changing device according to claim 1, wherein the roll changing frame (1) comprises a first roll changing plate (15) and a second roll changing plate (16) which are vertically arranged, the first plane (151) is arranged on the first roll changing plate (15), a connecting hole is formed in the side surface, facing the lifting mechanism, of the first roll changing plate (15), the push-pull power mechanism (3) is arranged in the connecting hole, and the roll changing power mechanism (2) is in driving connection with the second roll changing plate (16).

10. The roll changing device according to claim 9, further comprising a vertical column (17) and a turning shaft (9), wherein the vertical column (17) is connected with the bottom of the installation groove, one end of the turning shaft (9) is connected with the wall of the installation groove, the other end of the turning shaft is connected with the vertical column (17), the turning shaft (9) is arranged at the joint of the first turning plate (15) and the second turning plate (16) in a penetrating manner, and the first turning plate (15) and the second turning plate (16) are used for rotating around the turning shaft (9).

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