Gantry type rolling mill hydraulic shear

Abstract

The utility model discloses a gantry type rolling mill hydraulic shear which comprises a hydraulic shear portal frame, an upper blade exchange assembly is arranged above the hydraulic shear portal frame, an exchange fixing assembly is arranged on one side of the upper blade exchange assembly, and a hydraulic shear installation assembly is arranged below the upper blade exchange assembly. In actual use, the upper blade can be automatically exchanged through the upper blade exchange assembly, the problem that when the upper blade works, the side face, facing the lower blade, of the upper blade conducts shearing work for a long time, and the side face, back to the lower blade, of the upper blade is high in abrasion speed is solved, and the situation that the surface of one side of the upper blade is intact, and the service life of the upper blade is prolonged is avoided. And the other side is seriously worn, so that the blade cannot be used and needs to be replaced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a hydraulic shearing machine of a portal mill, in particular to a hydraulic shearing machine of a portal mill. BACKGROUND

[0002] At present, the existing strip hot rolling mill needs to cut the head and tail of thick plate before the rough rolling mill, remove the head and tail warping of thick plate, facilitate subsequent rolling, and install the hydraulic shearing mechanism on the portal frame; the existing portal hydraulic shearing machine sends the plate into the lower part of the hydraulic shearing mechanism, processes the cutting of the steel strip through the hydraulic shearing mechanism, and most of the blades are fixedly arranged; the upper blade works for a long time on the side of the lower blade, and the side surface of the upper blade on the side of the lower blade wears faster, so that the surface of the upper blade on one side is relatively intact, and the surface of the upper blade on the other side is seriously worn, resulting in the situation that the blade cannot be used and needs to be replaced. SUMMARY

[0003] In view of the problems in the related art, the utility model provides a hydraulic shearing machine of a portal mill to overcome the above technical problems existing in the prior art.

[0004] Therefore, the utility model adopts the specific technical scheme as follows:

[0005] A hydraulic shearing machine of a portal mill comprises a hydraulic shearing machine portal frame, an upper blade pair adjusting assembly arranged above the hydraulic shearing machine portal frame, a pair of adjusting fixing assemblies arranged on one side of the upper blade pair adjusting assembly, and a hydraulic shearing installation assembly arranged below the upper blade pair adjusting assembly.

[0006] In order to achieve the function of adjusting the upper blade pair, the upper blade pair adjusting assembly comprises an upper blade body, an upper blade connecting plate connected to the upper blade body, a rotating rod connected to the middle part of the upper blade connecting plate, a drive motor connected to one end of the rotating rod, a lower pressing fixed plate movably connected to the outer periphery of the rotating rod, a trigger electric push rod connected to the inside of the lower pressing fixed plate, a trigger mounting plate connected to one side of the trigger electric push rod, a trigger switch installed on one side of the trigger mounting plate, a trigger contact plate arranged on one side of the trigger switch, the trigger contact plates being symmetrically installed on both sides of the upper blade connecting plate, and a PLC controller connected to the upper part of the lower pressing fixed plate.

[0007] Further, the drive motor, the trigger electric push rod, and the trigger switch are electrically connected to the PLC controller.

[0008] Further, in order to achieve the effect of adjusting and fixing, the adjusting and fixing assembly comprises a push rod fixing frame, the push rod fixing frame is symmetrically installed above the pressing fixed plate, a fixed electric push rod is installed in the push rod fixing frame, a fixed block is connected at one end of the fixed electric push rod, a through groove is slidably matched on the periphery of the fixed block, the through groove is arranged in the pressing fixed plate, a pressing groove is arranged in the fixed block, and a clamping groove is arranged in the upper blade connecting plate.

[0009] Further, the fixed block is clamped through the pressing groove and the clamping groove.

[0010] Further, the fixed electric push rod is electrically connected with the PLC controller.

[0011] Further, in order to achieve the effect of hydraulic shearing, the hydraulic shearing installation assembly comprises a shearing hydraulic rod, the shearing hydraulic rod is connected with a hydraulic shearing gantry, a lower blade connecting plate is connected in the hydraulic shearing gantry, a lower blade body is connected on the periphery of the lower blade connecting plate, and a supporting and reinforcing frame is connected at the bottom of the hydraulic shearing gantry.

[0012] Further, the shearing hydraulic rod is electrically connected with the PLC controller.

[0013] Further, the hydraulic shearing gantry is symmetrically connected with a moving installation plate on one side, a sliding rod is connected between the moving installation plates, a sliding block is slidably matched on the periphery of the sliding rod, a blade sharpening connecting frame is connected at the bottom of the sliding block, a metal polishing block is connected on one side of the blade sharpening connecting frame, and a metal polishing groove is arranged in the metal polishing block.

[0014] The utility model discloses the beneficial effects are:

[0015] (1), the utility model discloses the prior art has made improvement, in actual use, through the upper blade to the adjusting assembly, the upper blade can be automatically adjusted, solve the upper blade when working, the side of the lower blade long time shearing work, compared with the side surface wear rate of the upper blade away from the lower blade, avoid the situation that the upper blade one side surface is relatively perfect, and the other side wears seriously, lead to blade can not be used and need to be replaced.

[0016] (2), in actual use, through setting up the push rod fixing frame, to reach the effect of installing the fixed electric push rod, the fixed electric push rod drives the fixed block to move along the through groove, then the fixed block is clamped through the pressing groove and the clamping groove, so that the fixed block can fix the upper blade connecting plate. DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without any creative effort.

[0018] Fig. 1 is a main structure schematic diagram of a hydraulic shear of a gantry mill according to an embodiment of the present application;

[0019] Fig. 2 is a perspective view of a hydraulic shear of a gantry mill according to an embodiment of the present application.

[0020] Fig. 3 is a structure schematic diagram of an upper blade pair adjusting assembly in a hydraulic shear of a gantry mill according to an embodiment of the present application;

[0021] Fig. 4 is a structure schematic diagram of a pair adjusting fixing assembly in a hydraulic shear of a gantry mill according to an embodiment of the present application;

[0022] Fig. 5 is a partial enlarged view of the upper blade pair adjusting assembly in a hydraulic shear of a gantry mill according to an embodiment of the present application;

[0023] Fig. 6 is a partial structure schematic diagram of a hydraulic shear of a gantry mill according to an embodiment of the present application.

[0024] In the drawings:

[0025] 1, hydraulic shear gantry; 2, upper blade pair adjusting assembly; 201, upper blade body; 202, upper blade connecting plate; 203, rotating rod; 204, driving motor; 205, pressing fixed plate; 206, trigger electric push rod; 207, trigger mounting plate; 208, trigger switch; 209, trigger contact plate; 210, PLC controller; 3, pair adjusting fixing assembly; 301, push rod fixing frame; 302, fixed electric push rod; 303, fixed block; 304, through groove; 305, clamping groove; 306, pressing groove; 4, hydraulic shear installation assembly; 401, shear hydraulic rod; 402, lower blade connecting plate; 403, lower blade body; 404, support reinforcing frame; 5, moving installation plate; 6, sliding rod; 7, sliding block; 8, blade grinding connecting frame; 9, metal grinding block; 10, metal grinding groove. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0027] According to the embodiment of the utility model, a hydraulic shearing machine of a portal mill is provided, which comprises a hydraulic shearing machine portal frame 1, an upper blade pair adjusting assembly 2 arranged above the hydraulic shearing machine portal frame 1, an adjusting fixing assembly 3 arranged on one side of the upper blade pair adjusting assembly 2, and a hydraulic shearing installation assembly 4 arranged below the upper blade pair adjusting assembly 2.

[0028] As shown in the figure, Figs. 1-6 According to the embodiment of the utility model, the upper blade pair adjusting assembly 2 comprises an upper blade body 201, an upper blade connecting plate 202 connected to the upper blade body 201, a rotating rod 203 connected to the middle part of the upper blade connecting plate 202, a drive motor 204 connected to one end of the rotating rod 203, a downward pressing fixed plate 205 movably connected to the periphery of the rotating rod 203, a trigger electric push rod 206 connected to the inside of the downward pressing fixed plate 205, a trigger mounting plate 207 connected to one side of the trigger electric push rod 206, a trigger switch 208 mounted on one side of the trigger mounting plate 207, a trigger contact plate 209 arranged on one side of the trigger switch 208, the trigger contact plate 209 being symmetrically mounted on both sides of the upper blade connecting plate 202, a PLC controller 210 connected to the upper side of the downward pressing fixed plate 205, and the drive motor 204, the trigger electric push rod 206 and the trigger switch 208 being electrically connected to the PLC controller 210.

[0029] According to the above technical solution, when adjusting, the trigger mounting plate 207 and the trigger switch 208 are first lifted by the trigger electric push rod 206, and then the drive motor 204 is started, so that the drive motor 204 can drive the rotating rod 203 to rotate in the downward pressing fixed plate 205, the rotating rod 203 can drive the upper blade connecting plate 202 and the upper blade body 201 to rotate when rotating, so as to achieve the effect of adjusting the upper blade, before the upper blade connecting plate 202 rotates one circle, the trigger electric push rod 206 drives the trigger mounting plate 207 and the trigger switch 208 to descend, at the same time, the trigger mounting plate 207 rotates and drives the trigger contact plate 209 to rotate, after the trigger contact plate 209 touches the trigger switch 208, the trigger switch 208 stops the drive motor 204 through the PLC controller 210, and the adjusting fixing assembly 3 fixes the upper blade connecting plate 202.

[0030] As shown in the figure, Figs. 1-6As shown, according to an embodiment of the present invention, the gantry mill hydraulic shear includes a push rod fixing frame 301, which is symmetrically installed above the lower pressure fixing plate 205. A fixed electric push rod 302 is installed inside the push rod fixing frame 301. One end of the fixed electric push rod 302 is connected to a fixing block 303. A through groove 304 is slidably fitted around the fixing block 303. The through groove 304 is opened inside the lower pressure fixing plate 205. A lower pressure groove 306 is opened inside the fixing block 303. A locking groove 305 is opened inside the upper blade connecting plate 202. The fixing block 303 is locked with the locking groove 305 through the lower pressure groove 306. The fixed electric push rod 302 is electrically connected to the PLC controller 210.

[0031] Through the above technical solution, by setting the push rod fixing bracket 301, the electric push rod 302 is installed and fixed. The fixed electric push rod 302 drives the fixing block 303 to move along the through groove 304. Then the fixing block 303 engages with the engagement groove 305 through the pressing groove 306, so that the fixing block 303 can fix the upper blade connecting plate 202.

[0032] like Figs. 1-6 As shown, according to an embodiment of the present invention, the hydraulic shear mounting assembly 4 of the gantry mill hydraulic shear includes a shearing hydraulic rod 401, which is connected to the hydraulic shear gantry frame 1. A lower blade connecting plate 402 is connected inside the hydraulic shear gantry frame 1, and a lower blade body 403 is connected to the periphery of the lower blade connecting plate 402. A support and reinforcement frame 404 is connected to the bottom of the hydraulic shear gantry frame 1, and the shearing hydraulic rod 401 is electrically connected to the PLC controller 210.

[0033] Through the above technical solution, by shearing the hydraulic rod 401, the hydraulic rod 401 drives the lower pressure fixing plate 205 to descend, and the lower pressure fixing plate 205 drives the upper blade body 201 to descend, thereby achieving the shearing effect through the lower blade body 403. The lower blade connecting plate 402 facilitates the installation of the lower blade body 403, and the support and reinforcement frame 404 facilitates the support of the hydraulic shear gantry frame 1.

[0034] like Figs. 1-6 As shown, in the gantry mill hydraulic shear of the present invention, a movable mounting plate 5 is symmetrically connected to one side of the hydraulic shear gantry frame 1, a sliding rod 6 is connected between the movable mounting plates 5, a sliding block 7 is slidably fitted around the sliding rod 6, a grinding blade connecting frame 8 is connected to the bottom of the sliding block 7, a metal grinding block 9 is connected to one side of the grinding blade connecting frame 8, and a metal grinding groove 10 is opened inside the metal grinding block 9.

[0035] By the above technical scheme, the mobile mounting plate 5 is arranged, so that the sliding rod 6 is conveniently installed, the sliding block 7 can move along the sliding rod 6, and the sliding block 7 can drive the blade sharpening connecting frame 8 and the metal polishing block 9 to move when the sliding block 7 moves, so that the metal polishing block 9 polishes the upper blade body 201 and the lower blade body 403 through the metal polishing groove 10.

[0036] In order to facilitate the understanding of the above technical scheme of the utility model, the working principle or operation mode of the utility model in the actual process is described in detail below.

[0037] In summary, according to the above technical scheme of the utility model, when adjusting, the trigger mounting plate 207 and the trigger switch 208 are first lifted by the trigger electric push rod 206, and then the driving motor 204 is started, so that the driving motor 204 can drive the rotating rod 203 to rotate in the lower pressing fixed plate 205, and the upper blade connecting plate 202 and the upper blade body 201 are rotated when the rotating rod 203 rotates, so that the upper blade is adjusted, before the upper blade connecting plate 202 rotates one circle, the trigger electric push rod 206 drives the trigger mounting plate 207 and the trigger switch 208 to descend, and the trigger mounting plate 207 rotates and drives the trigger contact plate 209 to rotate at the same time, after the trigger contact plate 209 touches the trigger switch 208, the trigger switch 208 stops the driving motor 204 through the PLC controller 210, and the adjusting fixed assembly 3 fixes the upper blade connecting plate 202;

[0038] The push rod fixing frame 301 is arranged, so that the fixed electric push rod 302 is installed and fixed, the fixed electric push rod 302 drives the fixed block 303 to move along the through groove 304, and then the fixed block 303 is clamped with the clamping groove 305 through the pressing groove 306, so that the fixed block 303 can fix the upper blade connecting plate 202;

[0039] The shearing hydraulic rod 401 is arranged, so that the shearing hydraulic rod 401 drives the lower pressing fixed plate 205 to descend, and the lower pressing fixed plate 205 drives the upper blade body 201 to descend, so that the lower blade body 403 is sheared, the lower blade connecting plate 402 is conveniently installed, the supporting reinforcing frame 404 supports the hydraulic shearing gantry 1;

[0040] The mobile mounting plate 5 is arranged, so that the sliding rod 6 is conveniently installed, the sliding block 7 can move along the sliding rod 6, and the sliding block 7 can drive the blade sharpening connecting frame 8 and the metal polishing block 9 to move when the sliding block 7 moves, so that the metal polishing block 9 polishes the upper blade body 201 and the lower blade body 403 through the metal polishing groove 10.

[0041] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A hydraulic guillotine shear for a rolling mill of the portal type, characterized in that, Including hydraulic shearing gantry (1), the upper blade pair adjusting assembly (2) is arranged above the hydraulic shearing gantry (1), one side of the upper blade pair adjusting assembly (2) is provided with a pair of adjusting fixed assembly (3), and the hydraulic shearing installation assembly (4) is arranged below the upper blade pair adjusting assembly (2). The upper blade pair adjusting assembly (2) includes an upper blade body (201), the upper blade body (201) is connected with an upper blade connecting plate (202) above, the upper blade connecting plate (202) is connected with a rotating rod (203) in the middle, one end of the rotating rod (203) is connected with a driving motor (204), the rotating rod (203) is movably connected with a pressing fixed plate (205) on the periphery, the driving motor (204) shell is connected with the pressing fixed plate (205), the pressing fixed plate (205) is connected with a trigger electric push rod (206) inside, one side of the trigger electric push rod (206) is connected with a trigger mounting plate (207), the trigger mounting plate (207) is provided with a trigger switch (208) on one side, the trigger switch (208) is provided with a trigger contact plate (209) on one side, the trigger contact plate (209) is symmetrically installed on both sides of the upper blade connecting plate (202), and the PLC controller (210) is connected above the pressing fixed plate (205); the driving motor (204), the trigger electric push rod (206) and the trigger switch (208) are electrically connected with the PLC controller (210) respectively.

2. A hydraulic shearing machine for a portal rolling mill according to claim 1, characterized in that, The pair of adjusting fixed assembly (3) includes a push rod fixed frame (301), the push rod fixed frame (301) is symmetrically installed above the pressing fixed plate (205), the push rod fixed frame (301) is internally provided with a fixed electric push rod (302), one end of the fixed electric push rod (302) is connected with a fixed block (303), the fixed block (303) is movably matched with a through groove (304) on the periphery, the through groove (304) is arranged in the pressing fixed plate (205), the fixed block (303) is internally provided with a pressing groove (306), and the upper blade connecting plate (202) is internally provided with a clamping groove (305).

3. A hydraulic guillotine shear for a rolling mill according to claim 2, characterized in that, The fixed block (303) is clamped in the clamping groove (305) through the pressing groove (306).

4. A hydraulic guillotine shear for a rolling mill according to claim 3, characterized in that, The fixed electric push rod (302) is electrically connected with the PLC controller (210).

5. A hydraulic guillotine shear for a rolling mill according to claim 4, characterized in that, The hydraulic shearing installation assembly (4) includes a shearing hydraulic rod (401), the shearing hydraulic rod (401) is connected with the hydraulic shearing gantry (1), the hydraulic shearing gantry (1) is internally connected with a lower blade connecting plate (402), the lower blade connecting plate (402) is peripherally connected with a lower blade body (403), and the hydraulic shearing gantry (1) is connected with a support reinforcing frame (404) at the bottom.

6. A hydraulic guillotine shear for a rolling mill according to claim 5, characterized in that, The shearing hydraulic rod (401) is electrically connected with the PLC controller (210).

7. A hydraulic guillotine shear for a portal rolling mill according to claim 1, characterized in that, The hydraulic shearing gantry (1) is symmetrically connected with a moving mounting plate (5) on one side, the moving mounting plates (5) are connected with a sliding rod (6), the sliding rod (6) is slidably matched with a sliding block (7) on the periphery, the sliding block (7) is connected with a blade sharpening connecting frame (8) at the bottom, the blade sharpening connecting frame (8) is connected with a metal polishing block (9) on one side, and the metal polishing block (9) is internally provided with a metal polishing groove (10).

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