CN217121580U

CN217121580U - Novel fixed-length high-speed shredding system

Info

Publication number: CN217121580U
Application number: CN202220281214.0U
Authority: CN
Inventors: 童建海; 蔡刚
Original assignee: ATLANTIC CHINA WELDING CONSUMABLES Inc
Current assignee: ATLANTIC CHINA WELDING CONSUMABLES Inc
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-08-05
Anticipated expiration: 2032-02-11

Abstract

The utility model discloses a novel fixed-length high-speed shredding system, which comprises a positioning mechanism and a passive speed measuring mechanism which are additionally arranged on a high-speed shredder and can pass through a line, and also comprises a servo system which is additionally arranged on the high-speed shredder and is used for controlling the shredder, wherein the servo system comprises a driving device, a driving element and a detection system; the detection system obtains a passive speed measuring mechanism signal, and the driving device drives the driving element by receiving the signal of the detection system. Positioning mechanism can effectively stabilize the wire rod, solves the problem that the silk thread operation is not stable enough when current device shreds. And the driven speed measuring mechanism can acquire the operating speed of the wire rod, the detection system acquires a signal of the driven speed measuring mechanism to calculate the operating angle of the servo motor, the servo motor is directly connected with the transmission shaft of the cutter box, so that the transmission error is reduced, and the problem of low utilization rate of the disk due to the fact that the wire cutting equipment is unstable when being started and stopped and causes excessive long and short wires can be solved through real-time signal control.

Description

Novel fixed-length high-speed shredding system

Technical Field

The utility model relates to a shred device, concretely relates to novel fixed length high speed shredding system.

Background

The quality of the rod core in the manufacturing production of the welding rod directly influences the quality stability of the welding rod product, the utilization rate of the wire rod and the cost of the product. The original production mode adopts the constant speed of a machine table, and the length of a rod core is controlled by a speed reducer. The silk thread is not stable enough in the use process, and in the equipment start-up and shut down process, too much long and short silk is caused to the instability of speed, and the effective utilization ratio of dish circle is not high, consumes too much. Unqualified rod cores have to be cleaned manually, which wastes time and labor and increases additional cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel high-speed system of shredding of fixed length solves current device and shreds the time silk thread operation and stable inadequately to shred equipment unstable when opening and stop and cause too much length short silk, thereby cause the not high problem of disc utilization ratio.

The utility model discloses a following technical scheme realizes:

a novel fixed-length high-speed shredding system comprises a positioning mechanism and a passive speed measuring mechanism, wherein the positioning mechanism and the passive speed measuring mechanism are additionally arranged on a high-speed shredding machine and can pass a wire; the high-speed filament cutter is characterized by also comprising a servo system which is additionally arranged on the high-speed filament cutter and is used for controlling the filament cutter, wherein the servo system comprises a driving device, a driving element and a detection system; the detection system obtains a passive speed measuring mechanism signal, and the driving device drives the driving element by receiving the signal of the detection system.

The device is characterized in that: the utility model provides a novel high-speed system of shredding of fixed length, including high-speed filament cutter, high-speed filament cutter is including the initiative drawing drum of installing in proper order, tension bracket, supplementary draw gear, send a silk machine, straighter, the filament cutter, the shredding cutter dish, connect excellent machine, connect the silk frame, the mechanism that drops, put and add the positioning mechanism and the passive tachometer mechanism that can cross the line on high-speed filament cutter, passive tachometer mechanism installs the one side that is close to initiative drawing drum on sending a silk machine, the wire rod that comes out through supplementary draw gear directly gets into positioning mechanism and passive tachometer mechanism, positioning mechanism can effectively stabilize the wire rod, the problem that the silk thread operation is not stable enough when solving current device and shredding. And the driven speed measuring mechanism can acquire the operating speed of the wire rod, the detection system acquires a signal of the driven speed measuring mechanism to calculate the operating angle of the servo motor, the servo motor is directly connected with the transmission shaft of the cutter box, so that the transmission error is reduced, and the problem of low utilization rate of the disk due to the fact that the wire cutting equipment is unstable when being started and stopped and causes excessive long and short wires can be solved through real-time signal control.

Furthermore, the positioning mechanism is cylindrical, an embedded sizing die mode is adopted, the central shaft of the positioning mechanism is the wire passing position, and the central shaft of the positioning mechanism is coaxial with the wire passing position of the high-speed filament cutter. The wire rod is ensured to pass through stably.

Furthermore, the passive speed measuring mechanism comprises a speed measuring wheel and a positioning wheel, a line can be passed between the speed measuring wheel and the positioning wheel, the line passing position is the same as the line passing position of the high-speed filament cutter, and the speed measuring wheel is positioned above the positioning wheel relative to the ground plane. The influence of friction factors of hands on which the speed measuring wheel is arranged is small. And the height position of the wire passing position is the same as that of the wire passing position of the high-speed filament cutter, and the wire rod is ensured to be a straight line all the time.

Furthermore, the number of the positioning wheels is two, the number of the speed measuring wheels is one, and the speed measuring wheels are arranged on a symmetrical shaft between the two positioning wheels. The purpose of this is to further stabilize the operation of the wire rod while measuring the speed.

Further, the surface of the speed measuring wheel is provided with a steel part hardening structure. Reduce self because of the detection error that the excircle wearing and tearing caused, increase life.

Further, the surface of the positioning wheel is provided with a bakelite structure with a friction layer. And the detection error caused by self-slipping is reduced.

Furthermore, the passive speed measuring mechanism further comprises a speed measuring encoder, and the speed measuring encoder is connected with the speed measuring wheel and is used for detecting the rotating speed of the speed measuring wheel.

Further, the drive element is provided as a servomotor. And the control precision is ensured to be higher.

Further, the detection system is mounted at the output of the drive element. The execution condition is convenient to collect.

Further, the filament cutter comprises a filament cutter and a filament cutter head, and the filament cutter head are of wedge iron type structures. The screw compresses the shredding cutter and the shredding cutter head, and the disassembly and the replacement are convenient and quick.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

the utility model provides a novel high-speed system of shredding of fixed length, positioning mechanism can effectively stabilize the wire rod, and the silk thread moves unstable problem when solving current device and shredding. And the driven speed measuring mechanism can acquire the operating speed of the wire rod, the detection system acquires a signal of the driven speed measuring mechanism to calculate the operating angle of the servo motor, the servo motor is directly connected with the transmission shaft of the cutter box, so that the transmission error is reduced, and the problem of low utilization rate of the disk due to the fact that the wire cutting equipment is unstable when being started and stopped and causes excessive long and short wires can be solved through real-time signal control.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a schematic structural view of an elevation view of an overall layout of the device according to an embodiment of the present invention;

fig. 2 is a schematic top view structure diagram of an overall layout of the device according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a vertical view of a filament cutter of the present device according to an embodiment of the present invention;

fig. 4 is a schematic top view of a shredder according to an embodiment of the present invention;

fig. 5 is a schematic top view structure diagram of the positioning mechanism and the passive speed measuring mechanism of the present device provided in the embodiment of the present invention;

fig. 6 is a schematic view of an elevation view structure of the positioning mechanism and the passive speed measuring mechanism of the device provided by the embodiment of the present invention.

Reference numbers and corresponding part names in the drawings:

1-an active pay-off reel, 2-a tension bracket, 3-an auxiliary traction device, 4-a wire feeder, 5-a straightener, 6-a wire cutter, 602-a wire cutter, 601-a wire cutter head, 7-a rod connecting machine, 8-a wire connecting frame, 9-a wire dropping mechanism, 10-a positioning mechanism, 11-a passive speed measuring mechanism, 1101-a speed measuring wheel, 1102-a positioning wheel, 1103-a speed measuring encoder, 12-a driving device, 13-a driving element and 14-a detection system.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.

Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the present invention. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the description of the present invention, the terms "front", "back", "left", "right", "up", "down", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the present invention.

Example 1

This embodiment 1 provides a novel fixed-length high-speed shredding system, as shown in fig. 1 to 6, which includes a positioning mechanism 10 and a passive speed measuring mechanism 11 that are additionally disposed on a high-speed shredding machine 6 and can pass through a wire, where the passive speed measuring mechanism 11 is mounted on a side of a wire feeding machine 4 close to an active pay-off reel 1, and the positioning mechanism 10 is disposed on the passive speed measuring mechanism 11 close to the active pay-off reel 1; the high-speed filament cutter comprises a high-speed filament cutter 6, a servo system and a detection system, wherein the servo system is additionally arranged on the high-speed filament cutter 6 and used for controlling the filament cutter 6, and comprises a driving device 12, a driving element 13 and the detection system 14; the detection system 14 obtains the signal of the passive speed measuring mechanism 11, and the driving device 12 drives the driving element 13 by receiving the signal of the detection system 14.

The device is characterized in that: the utility model provides a novel high-speed system of shredding of fixed length, including high-speed filament cutter 6, high-speed filament cutter 6 is including the initiative drawing drum 1 that installs in proper order, tension bracket 2, supplementary draw gear 3, send a machine 4, straighter 5, filament cutter 6, shredding knife 602, shred blade disc 601, connect excellent machine 7, connect a frame 8, doff mechanism 9, put and add positioning mechanism 10 and the passive speed sensor 11 that can cross the line on high-speed filament cutter 6, passive speed sensor 11 is installed and is close to one side of initiative drawing drum 1 on sending a machine 4, the wire rod that comes out through supplementary draw gear directly gets into positioning mechanism 10 and passive speed sensor 11, positioning mechanism 10 can effectively stabilize the wire rod, the problem that the silk thread operation is not stable enough when solving current device and shredding. And the driven speed measuring mechanism 11 can collect the running speed of the wire rod, the detection system 14 obtains the signal of the driven speed measuring mechanism 11 to calculate the running angle of the servo motor, the servo motor is directly connected with the transmission shaft of the cutter box, the transmission error is reduced, and the problem of low utilization rate of the disk due to the fact that the wire cutting equipment is unstable to cause excessive long and short wires when being started and stopped can be solved through real-time signal control.

The specific production process of the device is as follows: 1. during production operation, the qualified wire rods are placed on a pay-off machine through a tool, the pay-off machine actively pays off, a brake device is arranged, and the paying-off speed follows the shredding speed; 2. drawing the wire rod out of the pay-off machine, putting the wire rod into a tension frame 2, adopting an upper three-wheel and lower two-wheel structure, tensioning a cylinder, arranging a displacement sensor, and arranging a pressure regulating valve to regulate the tension; 3. the power of the auxiliary traction device is provided by a motor reducer, a traction wheel is driven by a middle shaft, the wire rod is pulled out by the traction wheel and sent into the high-cutting wire feeder 4, and the long and short wires caused by wire feeding slipping can be effectively reduced. The wire rod coming out of the auxiliary traction device directly enters the positioning mechanism 10 and the passive speed measuring mechanism 11, the running speed of the wire rod is collected in real time through the encoder, and data are fed back to the PLC. The control module can calculate the operating angle of the servo motor by combining different shredding cutter heads 601 according to the feedback data, the servo motor is directly connected with a transmission shaft of the cutter box, the transmission error is reduced, and a driven gear shaft is driven by a gear on a main transmission shaft so as to realize synchronous reverse rotation of the upper cutter head and the lower cutter head and realize the shredding function. The high-speed filament cutter 6 provides a power source for high-speed operation of the wire rod by an active filament feeding box; 4. the wire rod is straightened to solve the bending phenomenon of the wire rod; 5. the wire rod enters a cutter box, and the cutter box cuts off the wire rod; a wire dropping mechanism 9 for collecting the cut wire rod; 6. the wire falling mechanism 9 enables collected wire rods to enter the wire rod trolley after passing through the charging mechanism, and the wire rod trolley is used for production and use of a rear-end process.

In this embodiment, the positioning mechanism 10 is configured to be cylindrical, and an embedded sizing die is adopted, the central axis of the positioning mechanism 10 is the threading position, and the central axis of the positioning mechanism 10 is coaxial with the threading position of the high-speed filament cutter 6. The wire rod is ensured to stably pass through.

In this embodiment, the passive speed measuring mechanism 11 includes a speed measuring wheel 1101 and a positioning wheel 1102, a thread can pass between the speed measuring wheel 1101 and the positioning wheel 1102, the thread passing position is the same as the thread passing position of the high-speed filament cutter 6, and the speed measuring wheel 1101 is above the positioning wheel 1102 relative to the ground plane. The tachometer wheel 1101 is arranged above the hand with less influence of friction factors.

In the present embodiment, two positioning wheels 1102 are provided, one speed measurement wheel 1101 is provided, and the speed measurement wheel 1101 is provided on the symmetry axis between the two positioning wheels 1102. The purpose of this is to further stabilize the operation of the wire rod while measuring the speed.

In this embodiment, a surface of the tachometer wheel 1101 is provided with a steel member hardening structure. Reduce self because of the detection error that the excircle wearing and tearing caused, increase life.

In this embodiment, the positioning wheel 1102 is provided with a bakelite structure having a friction layer on the surface. And the detection error caused by self-slipping is reduced.

In this embodiment, the passive tachometer mechanism 11 further includes a tachometer encoder 1103, and the tachometer encoder 1103 is connected with the tachometer wheel 1101 for detecting the rotation speed of the tachometer wheel 1101.

In the present embodiment, the drive element 13 is provided as a servomotor. And the control precision is ensured to be higher.

In the present embodiment, the detection system 14 is mounted at the output of the drive element 13. The execution condition is convenient to collect.

In the present embodiment, the shredder 6 includes a shredding knife 602 and a shredding knife disc 601, and the shredding knife 602 and the shredding knife disc 601 are of a wedge structure. The screws press the shredding knife 602 and the shredding knife disc 601, and the disassembly and the replacement are convenient and quick.

Example 2

Based on the specific explanation of example 1:

the positioning mechanism 10: the mechanism is installed at the front end of a driven speed measuring mechanism 11 and is used for stabilizing the high-speed running rod wires, reducing vibration and ensuring real speed measuring data.

Passive speed measurement mechanism 11: a V-shaped structure is adopted; a tachometer wheel 1101 on the upper end carries out surface hardening treatment through the steel part, reduces the self detection error because of the excircle wearing and tearing cause, increases life. Two locating wheels 1102 of lower extreme select for use the bakelite material that coefficient of friction is high, reduce because of the detection error that self skidded and cause.

Velocity measurement encoder 1103: the displacement is converted into periodic electric signal in increment mode, the electric signal is converted into counting pulse, the number of the pulse is used to express the magnitude of the displacement, and finally the signal is transmitted to a servo system.

A servo system: the system comprises a servo drive 12, a drive element 13 and a detection system 14. The driving device 12 receives the signal transmitted by the encoder, and drives the actuator after calculation, the driving device 13 is also called as an actuator motor, in the automatic control system, the received electric signal is converted into the angular displacement or angular velocity on the motor shaft to be output, the detection device is arranged at the output end of the actuator to collect the execution condition, and the signal is fed back to the driving device 12.

A cutter box: the power of the filament cutter 6 is independently provided by a servo motor, and the control precision is higher compared with a common motor controlled by a speed reducer; the upper gear is driven by the lower gear, so that the upper cutter disc and the lower cutter disc synchronously rotate reversely, and the shredding function is realized; the shredding knife 602 and the shredding knife disc 601 adopt a wedge type structure, are tightly pressed by screws and are convenient and quick to detach and replace; products with different specifications are produced only by replacing the cutting blades with corresponding specifications, and the length is completed by operating, switching and selecting specification parameters through the control screen; the shaft parts are all subjected to modulation treatment, and the elastic position of the bearing is subjected to grinding processing after high-frequency quenching; the upper gear and the lower gear are manufactured by processing 20CrMnTi, and the tooth surfaces are processed by grinding after carburizing and quenching; high hardness, good matching precision, low noise, greatly improved service life of the equipment.

According to the system, the operating angle of a servo motor is calculated by combining data fed back by a passive speed measuring mechanism 11 with different shredding cutter heads 601, the servo motor is directly connected with a transmission shaft of a cutter box, transmission errors are reduced, a driven gear shaft is driven by a gear on a main transmission shaft, so that synchronous reverse rotation of the upper cutter head and the lower cutter head is realized, and a shredding function is realized. Meanwhile, when the equipment is started, the cutter is firstly corrected to zero, so that the phenomenon of long and short wires of the equipment in the speed-up process is greatly reduced when the whole machine is started, and the phenomenon of long and short wires is eliminated in the normal shutdown process. The utilization rate of original steel materials is improved to 99.2% from 98.4% in actual production operation, and the method is obviously improved in structural reliability, operation stability, durability, survival rate and the like compared with a shredding mode, and is a high-speed shredding control method suitable for large-scale continuous multi-variety rod and wire production operation.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A novel fixed-length high-speed shredding system is characterized by comprising a positioning mechanism (10) and a passive speed measuring mechanism (11), wherein the positioning mechanism (10) and the passive speed measuring mechanism (11) are additionally arranged on a high-speed shredder and can pass threads, the passive speed measuring mechanism (11) is arranged on one side, close to an active pay-off reel (1), of a wire feeder (4), and the positioning mechanism (10) is arranged on one side, close to the active pay-off reel (1), of the passive speed measuring mechanism (11);

the high-speed tobacco cutter speed measurement system is characterized by further comprising a servo system which is additionally arranged on the high-speed tobacco cutter and used for controlling the tobacco cutter (6), wherein the servo system comprises a driving device (12), a driving element (13) and a detection system (14), the detection system (14) obtains signals of the passive speed measurement mechanism (11), and the driving device (12) drives the driving element (13) by receiving the signals of the detection system (14).

2. The novel fixed-length high-speed shredding system according to claim 1, wherein the positioning mechanism (10) is cylindrical and adopts an embedded sizing die structure, the central axis of the positioning mechanism (10) is a threading position, and the central axis of the positioning mechanism (10) is coaxial with the threading position of the high-speed shredding machine.

3. The novel fixed-length high-speed shredding system according to claim 1, wherein the passive speed measuring mechanism (11) comprises a speed measuring wheel (1101) and a positioning wheel (1102), a line can be passed between the speed measuring wheel (1101) and the positioning wheel (1102), the line passing position is consistent with the line passing position of the high-speed shredding machine, and the speed measuring wheel (1101) is located above the positioning wheel (1102) relative to a ground plane.

4. The novel fixed-length high-speed shredding system according to the claim 3, characterized in that the positioning wheels (1102) are provided in two, the speed measuring wheel (1101) is provided in one, and the speed measuring wheel (1101) is provided on a symmetry axis between the two positioning wheels (1102).

5. The novel fixed-length high-speed shredding system according to the claim 4, characterized in that the surface of the speed measuring wheel (1101) is provided with a steel part hardening structure.

6. The novel fixed-length high-speed shredding system according to the claim 4, characterized in that the positioning wheel (1102) is provided with a bakelite structure with a friction layer on the surface.

7. The novel fixed-length high-speed shredding system according to claim 3, wherein the passive speed measuring mechanism (11) further comprises a speed measuring encoder (1103), and the speed measuring encoder (1103) is connected with the speed measuring wheel (1101) and used for detecting the rotating speed of the speed measuring wheel (1101).

8. A new type of high-speed filament cutting system according to claim 1, characterized in that the driving element (13) is provided as a servo motor.

9. A new type of high-speed fixed-length shredding system according to claim 1, characterized in that said detection system (14) is mounted at the output of the driving element (13).

10. The novel fixed-length high-speed shredding system according to claim 1, characterized in that the shredding machine (6) comprises a shredding cutter (602) and a shredding cutter disc (601), and the shredding cutter (602) and the shredding cutter disc (601) are of a wedge type structure.