Blade quick-changing device of strip shearing unit

Abstract

The utility model relates to the technical field of strip production, and discloses a quick blade changing device of a strip shearing unit, which comprises a lower knife rest, two hooks, two driving structures, a plurality of mounting structures, an upper knife rest and two hasps, the two driving structures are arranged on one side wall of the upper tool rest and one side wall of the lower tool rest correspondingly and comprise two supports, two servo motors, two speed reducers, four synchronous wheels, two synchronous belts and a plurality of lead screws. The two supports are fixedly connected to the front portion of one side wall of the upper tool rest and the front portion of one side wall of the lower tool rest respectively. According to the utility model, the hasp and the hook are opened, the upper knife rest is turned upwards, and the upper knife rest brings out the upper clamping plate, so that the blade body can be conveniently taken out, a new blade body is placed on the lower clamping plate, and the upper knife rest is turned over and then fixed, and the blade body can be conveniently and quickly replaced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the strip production technical field especially, a kind of quick-change blade device of strip shearing unit. BACKGROUND

[0002] Strip shearing unit is mainly used to longitudinally shear metal coil plate, and according to the needs, the strip after shearing is re-wound into coil, and strip shearing cutter is the key component in strip shearing unit, for the accurate longitudinal shearing of metal strip.

[0003] There are still some problems in the use process of existing strip shearing unit, in the traditional strip shearing process, the cutter is damaged after long time use and needs to be replaced, replacing cutter usually needs to disassemble entire cutter shaft, and the blade is adjusted or replaced, this process can need several hours, seriously affect production efficiency, and it is inconvenient to adjust the distance between each blade, therefore, the technical personnel in the art provide a kind of quick-change blade device of strip shearing unit to solve the problems raised in the above background art. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the shortcomings in prior art, and provides a kind of quick-change blade device of strip shearing unit, by opening buckle and hook, the upper tool rest is turned up, the upper tool rest takes out the upper clamping plate, the blade body on the lower clamping plate is taken out, then the new blade body is placed on the lower clamping plate, the upper tool rest is turned, and is fixed by buckle, so as to quickly replace the blade body.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of quick-change blade device of strip shearing unit, including including lower tool rest, two hooks, two drive structures, multiple installation structures, upper tool rest and two buckles, the upper tool rest is rotatably connected at the upper end of lower tool rest, two the drive structure is respectively arranged on the side wall of upper tool rest and the side wall of lower tool rest;

[0006] Two driving structures include two supports, two servo motors, two reducers, four synchronous wheels, two synchronous belts and a plurality of lead screws, two supports are fixedly connected at the front of the one side wall of the upper tool holder and the front of the one side wall of the lower tool holder respectively, two servo motors are arranged at the other end of the two supports respectively, two reducers are arranged on the output end of the two servo motors respectively, four synchronous wheels are arranged at the front and rear ends of the one side wall of the upper tool holder and the one side wall of the lower tool holder respectively, the output end of the two reducers is fixedly connected to the outer side of the two synchronous wheels at the front respectively, two synchronous belts are sleeved on the outer side of the two synchronous wheels at the front respectively, the other end of the two synchronous belts is sleeved on the outer side of the two synchronous wheels at the rear respectively, one end of the four synchronous wheels respectively penetrates the lower tool holder and the upper tool holder to the inner side of the lower tool holder and the upper tool holder, a plurality of lead screws are divided into four groups, and each group of lead screws is fixed in a horizontal arrangement, and four groups of lead screws are fixedly connected to the end portions of the four synchronous wheels;

[0007] The threads on the outer side of the lead screws close to the four synchronous wheels are smaller than the threads away from the four synchronous wheels in turn, a plurality of mounting structures are sleeved on the outer side of a plurality of lead screws, two hooks are arranged on the lower side of the front end face of the upper tool holder, and two buckles are arranged on the front end face of the lower tool holder below the two hooks.

[0008] Through the above technical scheme, by controlling the servo motor to start, the servo motor drives the reducer to start, the reducer drives the synchronous wheel at the front to rotate, and then the synchronous belt drives the synchronous wheel at the rear to rotate synchronously, so as to drive a plurality of lead screws to rotate synchronously, thereby facilitating the adjustment of the position of a plurality of mounting structures.

[0009] Further, the mounting structure includes an upper clamping plate, the lower end of the upper clamping plate is provided with a lower clamping plate, the center of the lower end face of the upper clamping plate and the center of the upper end face of the lower clamping plate are both provided with a first recess, and the interiors of the two first recesses are both provided with a blade body.

[0010] Through the above technical scheme, by opening the buckle and the hook, the upper tool holder is turned upward, the upper tool holder brings out the upper clamping plate, the blade body on the lower clamping plate is convenient to take out, and then a new blade body is placed on the lower clamping plate, the upper tool holder is turned over, and the buckle is fixed, thereby facilitating the quick replacement of the blade body.

[0011] Further, the center of the two side walls of the two first recesses is provided with a second recess, the interiors of the four second recesses are both provided with a rubber pad, the center of the end face of the blade body is fixedly connected with an extension shaft, the outer side wall of the two extension shafts is both sleeved with a bearing, and the two bearings are arranged between the four rubber pads respectively.

[0012] The bearing is supported by the four rubber pads, the rubber pad has good elasticity and shock absorption performance, can effectively absorb and disperse impact force, reduce the impact and vibration on the bearing, the extension shaft and the blade body, and improve the service life of the equipment.

[0013] The utility model has the advantages of the following:

[0014] 1、 the utility model discloses a quick change blade device of strip shearing unit is through opening the buckle and hook, and the upper tool rest is turned over to the upper tool rest takes out the upper clamping plate, and the blade body on the lower clamping plate is convenient to take out, and then the new blade body is placed on the lower clamping plate, and the upper tool rest is turned over, and is fixed through the buckle, and it is convenient for quick replacement blade body.

[0015] 2、 the utility model discloses, control servo motor starts, and servo motor drives the reduction gear to start, and the reduction gear drives the synchronous wheel rotation of near front, and then synchronous rotation of the synchronous wheel of rear is driven through synchronous belt, to drive a plurality of screw rod synchronous rotation, because the screw rod outside thread of near synchronous wheel is less than the thread of far away synchronous wheel, and the installation structure of near synchronous wheel moves distance is greater than the installation structure of far away synchronous wheel, and it is convenient to adjust the distance between a plurality of blade body.

[0016] 3、 the utility model discloses, bearing and four rubber pads support the bearing, and the rubber pad has good elasticity and shock absorption performance, can effectively absorb and disperse impact force, reduce the impact and vibration on the bearing, the extension shaft and the blade body, and improve the service life of the equipment. DRAWINGS

[0017] Figure 1 A perspective view of a quick change blade device of strip shearing unit is provided for the utility model;

[0018] Figure 2 A perspective view of a quick change blade device of strip shearing unit is provided for the utility model;

[0019] Figure 3 A perspective view of a quick change blade device of strip shearing unit is provided for the utility model;

[0020] Figure 4 A perspective view of a quick change blade device of strip shearing unit is provided for the utility model;

[0021] Legend:

[0022] 1, lower tool holder; 2, hook; 3, drive structure; 301, support; 302, servo motor; 303, speed reducer; 304, synchronous wheel; 305, synchronous belt; 306, lead screw; 4, mounting structure; 401, upper clamping plate; 402, lower clamping plate; 403, blade body; 404, first groove; 405, second groove; 406, extension shaft; 407, bearing; 408, rubber pad; 5, upper tool holder; 6, buckle. DETAILED DESCRIPTION

[0023] 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 in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Referring to Figures 1-4 An embodiment provided by the utility model: a quick-change blade device of strip shearing unit, comprising lower tool holder 1, two hooks 2, two drive structures 3, multiple mounting structures 4, upper tool holder 5 and two buckles 6, upper tool holder 5 is rotatably connected on the upper end of lower tool holder 1, two drive structures 3 are respectively arranged on the side wall of upper tool holder 5 and the side wall of lower tool holder 1.

[0025] Two drive structures 3 include two supports 301, two servo motors 302, two speed reducers 303, four synchronous wheels 304, two synchronous belts 305 and multiple lead screws 306, two supports 301 are fixedly connected on the front of the side wall of upper tool holder 5 and the front of the side wall of lower tool holder 1 respectively, two servo motors 302 are arranged on the other end of two supports 301 respectively, two speed reducers 303 are arranged on the output end of two servo motors 302 respectively, four synchronous wheels 304 are arranged on the front and rear ends of the side wall of upper tool holder 5 and the front and rear ends of the side wall of lower tool holder 1 respectively, the output end of two speed reducers 303 is fixedly connected on the outside of two synchronous wheels 304 at the front respectively, two synchronous belts 305 are sleeved on the outside of two synchronous wheels 304 at the front respectively, the other end of two synchronous belts 305 is sleeved on the outside of two synchronous wheels 304 at the rear respectively, one end of four synchronous wheels 304 respectively penetrates lower tool holder 1 and upper tool holder 5 to the inside of lower tool holder 1 and upper tool holder 5, multiple lead screws 306 are divided into four groups, and each group of lead screws 306 is fixed in transverse arrangement, four groups of lead screws 306 are fixedly connected on the end of four synchronous wheels 304 respectively.

[0026] The outer side of the lead screw 306 close to the four synchronous wheels 304 is threaded in turn smaller than the thread away from the four synchronous wheels 304, a plurality of mounting structures 4 are respectively sleeved on the outer side of a plurality of lead screws 306, two hooks 2 are respectively arranged on the lower side of the front end face of the upper tool holder 5, two buckles 6 are respectively arranged on the front end face of the lower tool holder 1 below the two hooks 2, by controlling the servo motor 302 to start, the servo motor 302 drives the speed reducer 303 to start, the speed reducer 303 drives the synchronous wheel 304 close to the front to rotate, and then the synchronous belt 305 drives the synchronous wheel 304 close to the back to rotate synchronously, thereby driving a plurality of lead screws 306 to rotate synchronously, facilitating the adjustment of the position of a plurality of mounting structures 4.

[0027] As shown in Figure 3 With 4 The mounting structure 4 includes an upper clamping plate 401, the lower end of the upper clamping plate 401 is provided with a lower clamping plate 402, the center of the lower end face of the upper clamping plate 401 and the center of the upper end face of the lower clamping plate 402 are both provided with a first recess 404, and the interiors of the two first recesses 404 are provided with a blade body 403. By opening the buckle 6 and the hook 2, the upper tool holder 5 is flipped upwards, the upper tool holder 5 brings the upper clamping plate 401 out, the blade body 403 on the lower clamping plate 402 is taken out, and then a new blade body 403 is placed on the lower clamping plate 402. Flip the upper tool holder 5 and fix it with the buckle 6, so as to quickly replace the blade body 403.

[0028] The center of the two side walls of the two first recesses 404 is provided with a second recess 405, the interiors of the four second recesses 405 are provided with a rubber pad 408, the center of the two end faces of the blade body 403 is fixedly connected with an extension shaft 406, the outer side walls of the two extension shafts 406 are both sleeved with a bearing 407, and the two bearings 407 are respectively arranged between the four rubber pads 408. The bearing 407 is supported by the four rubber pads 408, the rubber pad 408 has good elasticity and shock absorption performance, can effectively absorb and disperse impact force, reduce the impact and vibration on the bearing 407, the extension shaft 406 and the blade body 403, and prolong the service life of the equipment.

[0029] Working principle: when replacing the blade body 403, the hook rod on the outer side of the buckle 6 is taken off from the hook 2, the upper tool holder 5 is flipped upwards, the upper tool holder 5 drives a plurality of upper clamping plates 401 to flip, and the blade body 403 is taken out. After the blade body 403 is taken out, the bearings 407 on both sides of the new blade body 403 are placed in the two rubber pads 408 in the lower tool holder 1, and then the lower tool holder 1 is flipped downwards, the upper clamping plate 401 close to the top is attached to the lower clamping plate 402, and the blade body 403 is clamped, so as to quickly replace the blade body 403.

[0030] In the use process, the servo motor 302 is started by control, the servo motor 302 drives the speed reducer 303 to start, the speed reducer 303 drives the synchronous wheel 304 at the front to rotate, and then the synchronous wheel 304 at the back is driven to rotate synchronously through the synchronous belt 305, thereby driving a plurality of lead screws 306 to rotate synchronously, since the outer thread of the lead screw 306 close to the synchronous wheel 304 is smaller than the thread far from the synchronous wheel 304, the installation structure 4 close to the synchronous wheel 304 moves a distance greater than the installation structure 4 far from the synchronous wheel 305, so as to adjust the distance between a plurality of blade bodies 403.

[0031] In the shearing process, the bearing 407 is supported by the four rubber pads 408, the rubber pads 408 have good elasticity and shock absorption performance, can effectively absorb and disperse impact force, reduce the impact and vibration on the bearing 407, the extension shaft 406 and the blade body 403, and improve the service life of the equipment.

[0032] Finally, it should be noted that: the above only for the preferred embodiments of the utility model have described, and do not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A quick-change blade device of a strip shearing unit, comprising a lower blade holder (1), two hooks (2), two driving structures (3), a plurality of mounting structures (4), an upper blade holder (5) and two buckles (6), characterized in that: The upper tool rest (5) is rotationally connected to the upper end of the lower tool rest (1), and the two driving structures (3) are respectively arranged on one side wall of the upper tool rest (5) and one side wall of the lower tool rest (1); The two driving structures (3) comprise two brackets (301), two servo motors (302), two speed reducers (303), four synchronous wheels (304), two synchronous belts (305) and a plurality of lead screws (306), the two brackets (301) are fixedly connected at the front positions on the side walls of the upper tool rest (5) and the lower tool rest (1), respectively, the two servo motors (302) are arranged at the other ends of the two brackets (301), respectively, the two speed reducers (303) are arranged on the output ends of the two servo motors (302), respectively, the four synchronous wheels (304) are arranged at the front and rear ends of the side walls of the upper tool rest (5) and the lower tool rest (1), respectively, the output ends of the two speed reducers (303) are fixedly connected to the outer sides of the two synchronous wheels (304) at the front positions, respectively, the two synchronous belts (305) are sleeved on the outer sides of the two synchronous wheels (304) at the front positions, respectively, the other ends of the two synchronous belts (305) are sleeved on the outer sides of the two synchronous wheels (304) at the rear positions, respectively, one end of each of the four synchronous wheels (304) penetrates through the lower tool rest (1) and the upper tool rest (5) to the inner side of the lower tool rest (1) and the upper tool rest (5), and the plurality of lead screws (306) are divided into four groups, and each group of the lead screws (306) is fixed in a horizontal arrangement, and the four groups of the lead screws (306) are fixedly connected to the end portions of the four synchronous wheels (304), respectively. The threads on the outer sides of the lead screws (306) close to the four synchronous wheels (304) are successively smaller than the threads away from the four synchronous wheels (304), the plurality of mounting structures (4) are sleeved on the outer sides of the plurality of lead screws (306), the two hooks (2) are arranged at the lower positions on the two sides of the front end face of the upper tool rest (5), and the two buckles (6) are arranged on the front end face of the lower tool rest (1) at the lower ends of the two hooks (2).

2. The quick-change blade device of a strip shearing unit according to claim 1, characterized in that: The mounting structure (4) comprises an upper clamping plate (401), the lower end of the upper clamping plate (401) is provided with a lower clamping plate (402), the center of the lower end face of the upper clamping plate (401) and the center of the upper end face of the lower clamping plate (402) are both provided with a first recess (404), and the interiors of the two first recesses (404) are both provided with a blade body (403).

3. The quick-change blade apparatus of a strip shearing unit according to claim 2, characterized in that: The centers of the two side walls of each of the two first recesses (404) are both provided with a second recess (405), the interiors of the four second recesses (405) are all provided with rubber pads (408), the centers of the end faces of the blade body (403) are both fixedly connected with an extension shaft (406), the outer side walls of the two extension shafts (406) are both sleeved with a bearing (407), and the two bearings (407) are arranged between the four rubber pads (408), respectively.

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