CN212823138U - Brake structure of steel plate fixed-length cutting device - Google Patents
Brake structure of steel plate fixed-length cutting device Download PDFInfo
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- CN212823138U CN212823138U CN202021337824.5U CN202021337824U CN212823138U CN 212823138 U CN212823138 U CN 212823138U CN 202021337824 U CN202021337824 U CN 202021337824U CN 212823138 U CN212823138 U CN 212823138U
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- permanent magnetism
- telescopic rod
- electric telescopic
- controller
- deceleration block
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Abstract
The utility model discloses a steel sheet fixed length cutting device's brake structure, include: permanent magnetism deceleration block, permanent magnetism deceleration block connect on the support body, and permanent magnetism deceleration block leaves the clearance with the bottom plate surface, and the bottom plate material is the metal. The brake block can be fast because of the frictional force loss that is used for producing frictional force among the prior art in order to solve, need often change the brake, lead to use cost higher to maintain troublesome problem.
Description
Technical Field
The utility model relates to a steel sheet fixed length cutting device technical field especially relates to a steel sheet fixed length cutting device's brake structure.
Background
In the production of electric poles, steel plates with certain lengths need to be manufactured in a large batch to realize the fixed-length cutting of the steel plates, the fixed-length cutting of the steel plates is manually measured in the prior art, and then the fixed-length cutting of the steel plates is realized by using a shearing mode of a plate shearing machine. The problems of low efficiency and large length tolerance exist when steel plates with certain lengths are manufactured in a large batch in the prior art, the reason of the low efficiency is that the speed of manually measuring the size of the steel plates is slow, the time interval between the measuring action and the shearing action is long, and the reason of the large length tolerance is that the random error of manual measurement is large. The steel plate fixed-length cutting device which is high in efficiency and small in length tolerance when steel plates with certain lengths are manufactured in a large batch is urgently needed.
In order to solve the technical problems, the applicant develops a steel plate fixed-length cutting device, and in practical use, the applicant finds that if a common friction deceleration method is used for controlling the rotating speed of a steel coil fixer, a brake pad for generating friction force is quickly worn due to the friction force, the brake needs to be frequently replaced, the use cost is high, and the maintenance is troublesome.
Disclosure of Invention
In order to solve the defects and shortcomings of the prior art, the utility model aims to provide a brake structure of a steel plate fixed-length cutting device.
The technical scheme of the utility model is that: a brake structure of a steel plate fixed-length cutting device comprises:
permanent magnetism deceleration block, permanent magnetism deceleration block connect on the support body, and permanent magnetism deceleration block leaves the clearance with the bottom plate surface, and the bottom plate material is the metal.
Further, still include:
a controller;
the lever mechanism comprises a lever body and a fulcrum, the fulcrum is fixedly connected to the frame body, the middle section of the lever body is rotatably connected to the fulcrum, and the permanent magnet speed reducing block is fixedly connected to one end of the lever body;
the electric telescopic rod is electrically connected with the controller, one end of the electric telescopic rod is fixedly connected to the frame body, the other end of the electric telescopic rod is connected to the end part of the lever body opposite to the permanent magnet speed reducing block, and the distance between the permanent magnet speed reducing block and the surface of the roller is changed due to the length change of the electric telescopic rod;
and the rotating speed sensor is arranged on the motor and is electrically connected with the controller.
Further, still include:
the rubber pad, rubber pad fixed connection is at the one side that permanent magnetism deceleration block is close to the gyro wheel.
The utility model has the advantages that: compared with the prior art, the method has the advantages that,
1) the utility model discloses when using, the bottom plate of metal moves for permanent magnetism deceleration piece, will receive a power that hinders the bottom plate motion according to lenz law bottom plate, make the moment that the motor acted on the bottom plate and the moment that hinders the bottom plate motion balanced, thereby play the effect of control bottom plate rotational speed, avoid the coil of strip rotational speed too fast make the steel sheet impact the power of swimming plate too big, hit and damage the swimming plate or make the swimming plate produce the displacement, permanent magnetism deceleration piece does not contact with the bottom plate in the use, can not consume the permanent magnetism fixed block because of the friction between permanent magnetism deceleration piece and the bottom plate, therefore need not to change the permanent magnetism fixed block, use cost is lower, it is simpler to maintain;
2) the utility model discloses a button sends the actuating signal to the controller, and the controller receives the actuating signal and then controls the motor and rotate, and speed sensor measures the motor speed, and if the motor speed is too big the controller control electric telescopic handle extension makes permanent magnetism deceleration block and bottom plate distance reduce, makes the magnetic field intensity of permanent magnet at the bottom plate department bigger, thereby provides a stronger power that hinders the bottom plate motion, makes the bottom plate rotational speed reduce;
3) the utility model discloses a rubber pad for when the resistance that permanent magnetism deceleration block provided was not enough, the frictional force that still can pass through the rubber pad slowed down to the bottom plate, further provided more powerful resistance and prevented the bottom plate and rotate, made the bottom plate can slow down fast.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a partial view at A of FIG. 2;
FIG. 4 is a partial view at B of FIG. 2;
FIG. 5 is a partial view at C of FIG. 2;
FIG. 6 is a partial view taken at D of FIG. 2;
FIG. 7 is a partial view at E of FIG. 2;
fig. 8 is a right side view of the length control mechanism of the present invention;
FIG. 9 is a partial view at F of FIG. 8;
fig. 10 is a schematic perspective view of another angle of the present invention;
FIG. 11 is a partial view at G of FIG. 10;
fig. 12 is a circuit connection block diagram of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
example 1: this embodiment steel sheet fixed length cutting device's brake structure includes: permanent magnetism deceleration block 601, permanent magnetism deceleration block 601 connects on support body 1, and permanent magnetism deceleration block 601 and bottom plate 201 surface leave the clearance, and bottom plate 201 material is the metal.
Further, still include: a controller 7; the lever mechanism comprises a lever body 602 and a fulcrum 603, wherein the fulcrum 603 is connected to the frame body 1 in a welding manner, the middle section of the lever body 602 is rotatably connected to the fulcrum 603, and the permanent magnet speed reducing block 601 is connected to one end of the lever body 602 in a welding manner or in an adhesion manner; the electric telescopic rod 605 is connected with the controller 7 through a conducting wire, one end of the electric telescopic rod 605 is connected to the frame body 1 in a welding mode, the other end of the electric telescopic rod 605 is connected to the end portion, opposite to the permanent magnet speed reducing block 601, of the lever body 602, and the distance between the permanent magnet speed reducing block 601 and the surface of the roller 102 is changed due to the length change of the electric telescopic rod 605; and the rotating speed sensor 10 is arranged on the motor 101, and the rotating speed sensor 10 is connected with the controller 7 through a lead. The controller 7 is a controller with peripheral circuits such as a PLC, an Arduino or a raspberry pi. The rotation speed sensor 10 may employ a rotary encoder.
Further, still include: and the rubber pad 604 is bonded and connected to one surface, close to the roller 102, of the permanent magnet speed reduction block 601.
Example 2: the steel plate fixed-length cutting device comprises: the device comprises a frame body 1, wherein a motor 101 is connected to the frame body 1 through a bolt, and the motor 101 is connected through a first switch 9 through a lead; the steel coil fixer 2 is rotatably connected to the frame body 1 through the motor 101, and the steel coil 3 is coaxial with the rotating shaft of the motor 101 when the steel coil 3 is installed on the steel coil fixer 2; the steel coil 3 is arranged on the steel coil fixer 2, when the steel coil 3 is arranged on the steel coil fixer 2, the projection of the steel coil 3 towards the diameter direction of the steel coil 3 is overlapped with the shearing opening of the plate shearing device 4, and the plate shearing device 4 is connected with the second switch 8 through a lead; the length-fixing mechanism 5 is arranged on the plate shearing device 4, the length-fixing mechanism 5 comprises a sliding rod 502 and a free plate 501, the projection of the sliding rod 502 towards the length direction of the sliding rod 502 is overlapped with the shearing opening of the plate shearing device 4, the sliding rod 502 is connected with the free plate 501 in a sliding mode, the projection of the free plate 501 towards the length direction of the sliding rod 502 is overlapped with the shearing opening of the plate shearing device 4, and the length direction of the sliding rod 502 is perpendicular to the plane where the shearing opening of the plate shearing device 4 is located.
Further, the steel coil holder 2 includes: the base plate 201 is disc-shaped, the center of the base plate 201 is bolted to the rotating shaft of the motor 101, and the base plate 201 is coaxial with the rotor of the motor 101; the number of the U-shaped frames 202 is more than 2, two end points at the opening of each U-shaped frame 202 are welded on the bottom plate 201, the middle point of the middle section of each U-shaped frame 202 is located on the central axis of the rotating shaft of the motor 101, and the included angles between every two adjacent U-shaped frames 202 are the same; splint 204, splint 204 quantity is 2 times of U type frame 202, and the connection can be dismantled on two arms of U type frame 202 to splint 204 tip, and splint 204 and bottom plate 201's distance is greater than 3 widths of coil of strip, be equipped with first slot hole 203 on two arms of U type frame 202, first slot hole 203 is parallel with the length direction of two arms of U type frame 202, and splint 204 passes through the bolt and can dismantle the connection on first slot hole 203.
Further, still include: the number of the rollers 102 is more than 3, the rotating shaft of each roller 102 is connected to the frame body 1 through a bolt, the rotating shaft of each roller 102 is parallel to the central axis of the bottom plate 201, and the rollers 102 are circumscribed with the bottom plate 201; the second slot hole 104 is formed in the frame body 1, the length direction of the second slot hole 104 passes through the circle center of the roller 102, and the roller 102 is detachably connected to the second slot hole 104 through a bolt.
Further, the plate clipper 4 includes: the bottom of the electric hydraulic telescopic cylinder 401 is hinged to the frame body 1, a hinge rotating shaft is perpendicular to a plane where a shearing opening of the plate shearing device 4 is located, and the electric hydraulic telescopic cylinder 401 is connected with the second switch 8 through a lead; the driven knife 403 is connected to the frame body 1 through bolts, and the length direction of the driven knife 403 is parallel to the central axis of the steel coil 3 when the steel coil 3 is installed on the steel coil fixer 2; and one end of the driving knife 402 is hinged with one end of the driven knife 403, and the end part of a telescopic rod of the electric hydraulic telescopic cylinder 401 is hinged with the other end of the driving knife 402. The electric hydraulic telescopic cylinder 401 adopts an electric hydraulic telescopic cylinder which is made of a beetle model TJC-C4 series.
Further, the slide bar 502 includes a long plate 5021 and a bar body 5022, the width of the long plate 5021 is greater than the width of the bar body 5022, the long plate 5021 is welded to the upper surface of the bar body 5022 to form a T-shape, the length direction of the long plate 5021 is parallel to the length direction of the bar body 5022, a sliding hole 5011 matched with the slide bar 502 is formed in the lower portion of the floating plate 501, the floating plate 501 is connected to the slide bar 502 in a sliding mode through the sliding hole 5011, a first fixing screw hole 5012 is formed in the side wall of the floating plate 501, the central axis of the first fixing screw hole 5012 penetrates through the bar body 5022, a second fixing screw hole 5013 is formed in the lower wall of the floating plate 501, the central axis of the second fixing screw hole 5013 penetrates through the long plate 5021, a bolt is connected to the first fixing screw hole 5012 and the second fixing screw.
Further, the length control mechanism 5 further includes: the upper end of the supporting rod 503 is welded and connected to the lower surface of the rod body 5022, the lower end of the supporting rod 503 is arranged on the plane of the lower surface of the frame body 1, and an opening matched with the width of the supporting rod 503 is formed in the side wall of the movable plate 501 on the same side as the supporting rod; and the backing plate 504 is welded at the lower end of the support rod 503, and the area of the lower surface of the backing plate 504 is larger than that of the end point of the lower end of the support rod 503.
Further, still include: the speed reducing mechanism 6, the speed reducing mechanism 6 includes permanent magnetism deceleration block 601, and permanent magnetism deceleration block 601 connects on support body 1, and permanent magnetism deceleration block 601 and bottom plate 201 surface leave the clearance, bottom plate 201 material is the metal. The permanent magnet deceleration block 601 may be a rare earth permanent magnet made of boron, rubidium, iron.
Further, still include: the controller 7 is connected with the motor 101 through a lead, and the controller 7 is connected with the electric hydraulic telescopic cylinder 401 through a lead; the button 11, the said button 11 is connected with wire of controller 7; the lever mechanism comprises a lever body 602 and a fulcrum 603, wherein the fulcrum 603 is connected to the frame body 1 in a welding manner, the middle section of the lever body 602 is rotatably connected to the fulcrum 603, and the permanent magnet speed reducing block 601 is connected to one end of the lever body 602 in a welding manner or in a bolt manner; the electric telescopic rod 605 is connected with the controller 7 through a conducting wire, one end of the electric telescopic rod 605 is connected with the frame body 1 through welding or bolts, the other end of the electric telescopic rod 605 is connected with the end part of the lever body 602 opposite to the permanent magnet speed reducing block 601, and the distance between the permanent magnet speed reducing block 601 and the surface of the roller 102 is changed due to the length change of the electric telescopic rod 605; the rotating speed sensor 10 is arranged on the motor 101, and the rotating speed sensor 10 is connected with the controller 7 through a lead; the rubber pad 604 is bonded and connected to one surface, close to the roller 102, of the permanent magnet speed reduction block 601; and the pressure sensor 505 is arranged on the side, facing the plate shearing machine 4, of the balance plate 501, and the pressure sensor 505 is connected with the controller 7 through a lead. The electric telescopic rod 605 here adopts an electric hydraulic telescopic cylinder of which the model is TJC-C4 series and the manufacturer is a beetle. The controller 7 is a controller with peripheral circuits such as a PLC, an Arduino or a raspberry pi. The rotation speed sensor 10 may employ a rotary encoder.
Further, still include: roller bearing 103, roller bearing 103 includes two, and roller bearing 103 is parallel with motor 101 pivot, and the roller bearing 103 interval matches with the steel sheet thickness of coil of strip 3, and roller bearing 103 rotates to be connected on support body 1 with the same one side of coil of strip fixer 2, and roller bearing 103 is located between plate shearing machine 4 and the coil of strip fixer 2.
A method of controlling a steel plate cut-to-length apparatus, the method comprising the steps of:
s01, pressing the button 11 to send a start signal to the controller 7;
s02, the controller 7 starts the motor 101 after receiving the start signal;
s03, the controller 7 receives the detection value P of the pressure sensor 505, compares the P with a preset value Pv preset in the controller 7, if the P is more than or equal to the Pv, the controller 7 controls the motor 101 to stop rotating, and the controller 7 controls the electric telescopic rod 605 to extend until the rotating speed detected by the rotating speed sensor 10 is less than 0.1 rd/min;
s04, when the rotating speed detected by the rotating speed sensor 10 is less than 0.1rd/min, the controller 7 controls the electric telescopic rod 605 to extend;
the control method further comprises the following speed control algorithm: if the rotation speed detected by the rotation speed sensor 10 is greater than 2rd/min, the controller 7 controls the electric telescopic rod 605 to extend until the rotation speed detected by the rotation speed sensor 10 is greater than 1rd/min and less than 2 rd/min.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (3)
1. The utility model provides a steel sheet fixed length cutting device's brake structure which characterized in that includes:
permanent magnetism deceleration block (601), permanent magnetism deceleration block (601) are connected on support body (1), and permanent magnetism deceleration block (601) and bottom plate (201) surface leave the clearance, and bottom plate (201) material is the metal.
2. The brake structure of a steel plate cut-to-length device according to claim 1, further comprising:
a controller (7);
the lever mechanism comprises a lever body (602) and a fulcrum (603), the fulcrum (603) is fixedly connected to the frame body (1), the middle section of the lever body (602) is rotatably connected to the fulcrum (603), and the permanent magnet speed reducing block (601) is fixedly connected to one end of the lever body (602);
the electric telescopic rod (605), the electric telescopic rod (605) is electrically connected with the controller (7), one end of the electric telescopic rod (605) is fixedly connected to the frame body (1), the other end of the electric telescopic rod (605) is connected to the end part of the lever body (602) opposite to the permanent magnet deceleration block (601), and the length change of the electric telescopic rod (605) enables the distance between the permanent magnet deceleration block (601) and the surface of the roller (102) to be changed;
the rotating speed sensor (10) is arranged on the motor (101), and the rotating speed sensor (10) is electrically connected with the controller (7).
3. A brake structure of a steel plate cut-to-length device according to claim 1 or 2, further comprising:
the rubber pad (604), rubber pad (604) fixed connection is in the one side that is close to gyro wheel (102) of permanent magnetism deceleration block (601).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021337824.5U CN212823138U (en) | 2020-07-09 | 2020-07-09 | Brake structure of steel plate fixed-length cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021337824.5U CN212823138U (en) | 2020-07-09 | 2020-07-09 | Brake structure of steel plate fixed-length cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212823138U true CN212823138U (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021337824.5U Active CN212823138U (en) | 2020-07-09 | 2020-07-09 | Brake structure of steel plate fixed-length cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212823138U (en) |
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2020
- 2020-07-09 CN CN202021337824.5U patent/CN212823138U/en active Active
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