CN216096628U

CN216096628U - Iron sheet shearing device

Info

Publication number: CN216096628U
Application number: CN202122814537.XU
Authority: CN
Inventors: 张小诺
Original assignee: Anhui Institute of Information Engineering
Current assignee: Anhui Institute of Information Engineering
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-03-22
Anticipated expiration: 2031-11-17

Abstract

The utility model discloses an iron sheet shearing device, which relates to the field of machinery and comprises a base, a shearing assembly, a conveying device and a driving device, wherein the conveying device is arranged on the base and is used for conveying iron sheets with fixed length; the tool rest is provided with a pressing assembly, so that the two sides of the part to be sheared can be pressed by matching with the supporting block along with the downward movement of the tool rest before shearing, the deviation of an iron sheet during shearing is prevented, and the flatness of the sheared part is ensured; conveying devices are arranged on two sides of the shearing device, so that automatic fixed-length conveying and feeding can be performed on the iron sheet, and the problem of different lengths caused by manual feeding is solved; the limiting wheel can position the side face of the iron sheet, and therefore the notch is prevented from inclining.

Description

Iron sheet shearing device

Technical Field

The utility model relates to the field of machinery, in particular to an iron sheet shearing device.

Background

The iron sheet is a comparatively extensive product raw materials of application, need cut into the fritter of corresponding length with it before processing, thereby make things convenient for the processing in later stage, some small-size workshops of current adopt manual operation hand hay cutter iron sheet to cut the shearing that carries out the iron sheet greatly, the operation process wastes time and energy, and do not well hold the length of iron sheet, the iron sheet length that leads to after cuting differs, secondly the shearing in-process is not fixed to the both sides of iron sheet, the shearing department that leads to the iron sheet levels inadequately, although there is the equipment that dedicated iron sheet was cuted on the market, but this type of equipment price is higher usually, be applicable to the processing demand of some large-scale factories, unsatisfied small-size workshop low-cost demand.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an iron sheet shearing apparatus to solve the above problems occurring in the prior art.

The utility model provides an iron sheet shearing mechanism, includes base, shearing component, conveyor and drive arrangement, conveyor locates on the base for the iron sheet is carried to the fixed length, and shearing component includes blade, bottom knife and knife rest, it is connected between two knife rests to go up blade fixed connection, be equipped with on the knife rest and compress tightly the subassembly, be equipped with on the base with the staggered bottom knife of last blade and the supporting shoe that corresponds with compressing tightly the subassembly, fixedly connected with frame on the base, drive arrangement locates in the frame for the drive knife rest goes up and down, it is connected with two spacing wheels still to rotate on the base, spacing wheel is located the conveyor front side.

Preferably, the compressing assembly comprises a compressing block, 3 compression rods are fixedly connected to the compressing block, the compression rods penetrate through the tool rest and are in sliding connection with the tool rest, a stop block is fixedly connected to the tops of the compression rods, and a buffer spring is sleeved on the compression rods between the compressing block and the tool rest.

Preferably, conveyor includes conveying wheelset and conveying motor, conveying wheelset is equipped with two, is located the both sides that compress tightly the subassembly respectively, conveying wheelset includes initiative delivery wheel, driven delivery wheel and fixed plate, initiative delivery wheel rotates with driven delivery wheel and connects between two fixed plates, fixed plate and base fixed connection, fixedly connected with intermeshing's gear on initiative delivery wheel and the driven delivery wheel, go back the fixedly connected with synchronizing wheel on the initiative delivery wheel, connect through the hold-in range between two synchronizing wheels, one of them initiative delivery wheel and conveying motor's output shaft fixed connection, conveying motor and base fixed connection.

Preferably, drive arrangement includes lifter plate, holding down plate and driving motor, lifter plate and knife rest fixed connection, the lifter plate is in the same place through two slide bar fixed connection with the holding down plate, slide bar and frame sliding connection, the cover is equipped with reset spring on the slide bar between holding down plate and the frame, the holding down plate top is rotated through rotating the seat and is connected with the gyro wheel, the gyro wheel top is equipped with rather than tangent eccentric wheel, eccentric wheel and driving motor's output shaft fixed connection, driving motor and frame fixed connection.

Compared with the prior art, the utility model has the advantages that:

the driving device adopts the eccentric wheel to rotate and press the roller downwards, so that the tool rest is driven to move up and down, and compared with the mode that the cylinder directly drives the tool rest, the working process is more stable and continuous;

the tool rest is provided with a pressing assembly, so that the two sides of the part to be sheared can be pressed by matching with the supporting block along with the downward movement of the tool rest before shearing, the deviation of an iron sheet during shearing is prevented, and the flatness of the sheared part is ensured;

conveying devices are arranged on two sides of the shearing device, so that automatic fixed-length conveying and feeding can be performed on the iron sheet, and the problem of different lengths caused by manual feeding is solved; the limiting wheel can position the side face of the iron sheet, and therefore the notch is prevented from inclining.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the conveyor and a portion of the shearing assembly;

fig. 3 is a schematic structural view of a part of the shearing apparatus.

In the figure: 1-a base, 2-a shearing assembly, 21-an upper blade, 22-a lower blade, 23-a knife rest, 24-a pressing assembly, 241-a pressing block, 242-a pressing rod, 243-a stop block, 244-a buffer spring and 25-a supporting block;

3-conveying device, 31-conveying wheel group, 32-conveying motor, 311-driving conveying wheel, 312-driven conveying wheel, 313-fixing plate, 314-gear, 315-synchronizing wheel and 33-synchronizing belt;

4-driving device, 41-lifting plate, 42-lower pressing plate, 43-driving motor, 44-sliding rod, 45-return spring, 46-roller, 47-eccentric wheel, 5-frame and 6-limiting wheel.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1 to 3, an iron sheet shearing apparatus is characterized by comprising a base 1, a shearing assembly 2, a conveying device 3 and a driving device 4, wherein the conveying device 3 is arranged on the base 1 and used for conveying iron sheets at a fixed length, the shearing assembly 2 comprises an upper blade 21, a lower blade 22 and blade holders 23, the upper blade 21 is fixedly connected between the two blade holders 23, the blade holders 23 are provided with pressing assemblies 24, the base 1 is provided with the lower blade 22 staggered with the upper blade 21 and supporting blocks 25 corresponding to the pressing assemblies 24, the base 1 is fixedly connected with a frame 5, and the driving device 4 is arranged on the frame 5 and used for driving the blade holders 23 to ascend and descend.

In this embodiment, the conveying device 3 includes two conveying wheel sets 31 and two conveying motors 32, the two conveying wheel sets 31 are respectively located at two sides of the pressing component 24, the conveying wheel set 31 includes a driving conveying wheel 311, a driven conveying wheel 312 and fixing plates 313, the driving conveying wheel 311 and the driven conveying wheel 312 are rotatably connected between the two fixing plates 313, the fixing plates 313 are fixedly connected with the base 1, the driving conveying wheel 311 and the driven conveying wheel 312 are fixedly connected with gears 314 engaged with each other, the driving conveying wheel 311 is also fixedly connected with a synchronizing wheel 315, the two synchronizing wheels 315 are connected by a synchronous belt 33, one of the driving conveying wheel 311 is fixedly connected with an output shaft of the conveying motor 32, the conveying motor 32 is fixedly connected with the base 1, and the two conveying wheel sets 31 are driven by the synchronous belt 33 and the synchronizing wheel 315, the synchronous operation of conveying is ensured.

In this embodiment, the pressing assembly 24 includes a

pressing block

241, 3 pressing rods 242 are fixedly connected to the pressing block 241, the pressing rods 242 penetrate through the tool holder 23 and are slidably connected to the tool holder 23, a stop 243 is fixedly connected to the top of the pressing rods 242, and a buffer spring 244 is sleeved on the pressing rods 242 between the pressing block 241 and the tool holder 23. The buffer spring 244 is used for buffering the return of the pressing block 241 and increasing the pressure between the pressing block 241 and the supporting block 25.

In this embodiment, the driving device 4 includes a lifting plate 41, a lower pressing plate 42 and a driving motor 43, the lifting plate 41 is fixedly connected with the tool rest 23, the lifting plate 41 is fixedly connected with the lower pressing plate 42 through two sliding rods 44, the sliding rods 44 are slidably connected with the frame 5, a return spring 45 is sleeved on the sliding rod 44 between the lower pressing plate 42 and the frame 5, the top of the lower pressing plate 42 is rotatably connected with a roller 46 through a rotating base, an eccentric wheel 47 tangent to the roller 46 is arranged above the roller 46, the eccentric wheel 47 is fixedly connected with an output shaft of the driving motor 43, the driving motor 43 is fixedly connected with the frame 5, and the eccentric wheel 47 is rotated to press the roller 46 downwards, so that the driving tool rest 23 moves upwards and downwards, and the shearing process is more stable and continuous.

In this embodiment, the blade of going up blade 21 slopes the form, and the blade is cut to one side and is reduced the area of contact with the iron sheet, increases the shearing force, lower blade 22 blade flushes, still rotate on the base 1 and be connected with two spacing wheels 6, spacing wheel 6 is located conveyor 3 front side for the transverse orientation of iron sheet.

The working process and the principle thereof are as follows:

when in use, the iron sheet is placed between the limiting wheels 6 and between the driving conveying wheel 311 and the driven conveying wheel 312. Then the conveying motor 32 is started, the conveying motor 32 drives the driving conveying wheel 311 to rotate, the driving conveying wheel 311 drives the driven conveying wheel 312 to rotate through the meshing action of the gear 314, transmission is realized between the two driving conveying wheels 311 through the synchronizing wheel 315 and the synchronous belt 33, and therefore the two conveying wheel sets 31 are driven to operate through one motor.

The conveying device 3 conveys the iron sheet forwards to pass through the supporting block 25, the lower blade 22, the supporting block 25 and the conveying wheel set 31 on the other side in sequence, and when the iron sheet is conveyed to a preset length, the conveying motor 32 stops running.

The original height of the roller 46 is the highest, at this time, the driving motor 43 is started, the driving motor 43 drives the eccentric wheel 47 to rotate for half a turn, the eccentric wheel 47 drives the roller 46 to move downwards under the guiding action of the slide rod 44, the lower pressing plate 42 and the lifting plate 41 move downwards, and the return spring 45 between the lower pressing plate 42 and the frame 5 is compressed. In the process, the pressing block 241 is firstly contacted with the iron sheet on the supporting block 25, and along with the continuous downward movement of the lifting plate 41, the buffer spring 244 between the pressing block 241 and the tool rest 23 is compressed, and the pressing block 241 and the supporting block 25 fix the iron sheets on two sides to be cut.

Then, the iron sheet is cut off by the upper blade 21 and the lower blade 22, the driving motor 43 drives the eccentric wheel 47 to rotate for half a turn, and the lower pressing plate 42 is reset under the action of the reset spring 45, so that the roller 46 is always kept tangent to the eccentric wheel 47. The shearing assembly 2 is also reset under the driving of the lifting plate 41, and the corresponding pressing block 241 is also reset under the action of the buffer spring 244. This completes a cutting action.

Then the conveying motor 32 is started continuously to convey the iron sheet to be cut to a proper length, and meanwhile, the cut iron sheet is conveyed out by the other group of conveying wheel set 31, so that the subsequent iron sheet is prevented from entering a cutting area.

The automatic cutting and blanking of the iron sheet can be realized by matching the rotating speed of the driving motor 43 with the working clearance time of the conveying motor 32.

Based on the above; the driving device 4 adopts the eccentric wheel 47 to rotate the pressing roller 46, so that the tool rest 23 is driven to move up and down, and compared with the method that the cylinder directly drives the tool rest 23, the working process is more stable and continuous;

the tool rest 23 is provided with a pressing assembly, so that the two sides of the part to be sheared can be pressed by matching the supporting block 25 with the downward movement of the tool rest 23 before shearing, the deviation of an iron sheet during shearing is prevented, and the flatness of the sheared part is ensured;

the conveying devices 3 are arranged on the two sides of the shearing device, so that automatic fixed-length conveying and feeding can be performed on the iron sheet, and the problem of different lengths caused by manual feeding is solved; the limiting wheel 6 can position the side face of the iron sheet, and therefore the notch is prevented from inclining.

It will be appreciated by those skilled in the art that the utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the utility model are intended to be embraced therein.

Claims

1. The iron sheet shearing device is characterized by comprising a base (1), a shearing assembly (2), a conveying device (3) and a driving device (4), wherein the conveying device (3) is arranged on the base (1) and used for conveying iron sheets at a fixed length, the shearing assembly (2) comprises an upper blade (21), a lower blade (22) and tool rests (23), the upper blade (21) is fixedly connected between the two tool rests (23), a pressing assembly (24) is arranged on each tool rest (23), the base (1) is provided with the lower blade (22) staggered with the upper blade (21) and supporting blocks (25) corresponding to the pressing assemblies (24), the base (1) is fixedly connected with a rack (5), the driving device (4) is arranged on the rack (5) and used for driving the tool rests (23) to ascend and descend, the base (1) is further rotatably connected with two limiting wheels (6), the limiting wheel (6) is positioned on the front side of the conveying device (3).

2. The iron sheet shearing device as claimed in claim 1, wherein the pressing assembly (24) comprises a pressing block (241), 3 pressing rods (242) are fixedly connected to the pressing block (241), the pressing rods (242) penetrate through the tool rest (23) and are slidably connected with the tool rest (23), a stop block (243) is fixedly connected to the top of each pressing rod (242), and a buffer spring (244) is sleeved on each pressing rod (242) between the pressing block (241) and the tool rest (23).

3. The iron sheet shearing device according to claim 1, wherein the conveying device (3) comprises two conveying wheel sets (31) and two conveying motors (32), the two conveying wheel sets (31) are respectively located at two sides of the pressing component (24), the conveying wheel set (31) comprises a driving conveying wheel (311), a driven conveying wheel (312) and a fixing plate (313), the driving conveying wheel (311) and the driven conveying wheel (312) are rotatably connected between the two fixing plates (313), the fixing plate (313) is fixedly connected with the base (1), the driving conveying wheel (311) and the driven conveying wheel (312) are fixedly connected with gears (314) which are meshed with each other, the driving conveying wheel (311) is also fixedly connected with a synchronizing wheel (315), the two synchronizing wheels (315) are connected through a synchronous belt (33), one of the driving conveying wheel (311) is fixedly connected with an output shaft of the conveying motor (32), the conveying motor (32) is fixedly connected with the base (1).

4. Iron sheet shearing device according to claim 1, characterized in that the driving device (4) comprises a lifting plate (41), a lower pressing plate (42) and a driving motor (43), the lifting plate (41) is fixedly connected with the tool rest (23), the lifting plate (41) is fixedly connected with the lower pressing plate (42) through two sliding rods (44), the sliding rod (44) is connected with the frame (5) in a sliding way, a return spring (45) is sleeved on the sliding rod (44) between the lower pressure plate (42) and the frame (5), the top of the lower pressure plate (42) is rotationally connected with a roller (46) through a rotating seat, an eccentric wheel (47) tangent to the roller wheel (46) is arranged above the roller wheel (46), the eccentric wheel (47) is fixedly connected with an output shaft of a driving motor (43), and the driving motor (43) is fixedly connected with the rack (5).