CN102390060A - Synchronous transmission device of cutting machine - Google Patents

Abstract

The invention discloses a synchronous transmission device of a cutting machine, and the synchronous transmission device comprises a material conveying speed detecting device, a cutting device transmission mechanism and a main control system, wherein the material feeding speed detecting device is used for detecting the material conveying speed; the cutting device transmission mechanism drives a cutting device to reciprocate along the material conveying direction; and the main control system controls the coordinated movement of the cutting device transmission mechanism and the material conveying speed. For the synchronous transmission device of the cutting machine with the structure provided by the invention, the material conveying speed detecting device detects the material conveying speed and transmits pulse signals, the main control system extracts the pulse signals and compares the pulse signals with numerical values stored in the main control system, when the extracted numerical value coordinates with the stored numerical values, the main control system transmits cutting instructions to the cutting device transmission mechanism, therefore the cutting device moves along a same direction at a speed same with the material conveying speed, the material conveying speed is simultaneous with the running speed of the cutting device, therefore a cutter cuts at a same cross section of a cut object, thus avoiding material propping phenomena and ensuring the cut plane to be smooth and flat.

Description

Cutting machine synchronous transmission

technical field

The invention relates to a cutting machine synchronous transmission device, in particular to a cutting machine synchronous transmission device for coordinating the cutting device of the cutting machine with the running speed of the material.

Background technique

The cutting machine is an important cutting equipment, which is widely used in cutting rod products. The cutting machine widely used in the market at present has a fixed cutting device and a discharge table. When cutting the processing object , the cutting tool only cuts in and out. When the object to be cut is running on the production line, since the object to be processed is always moving forward, and the cutting tool is fixed, it is easy to cause ejection. , it is easy to cause the tool to shake, the light one will make the cutting surface of the product irregular, the severe one will damage the tool, or cause a safety hazard. Moreover, the current discharge table used by various equipment, in order to avoid material accumulation on the discharge table, the discharge table The material table is driven by belts or rollers to convey the materials. Such a discharge table needs to be equipped with a special motor for uninterrupted operation. The power loss is large, and the belt is easy to run off, which is not easy to maintain and adjust. The rubber ring outside the roller is easy to Wear and tear, need to be replaced frequently, making the production efficiency low.

Contents of the invention

The purpose of the present invention is to solve the problem in the prior art that the cutter is fixed when cutting, so that the phenomenon of ejection is prone to occur when cutting the processing object running on the production line, resulting in irregular cut surfaces or damage to the cutter. The utility model provides a synchronous transmission device in which a tool can move forward synchronously with a processing object.

The purpose of the present invention is achieved through the following technical solutions:

A synchronous transmission device for a cutting machine, including a feeding speed detection device for detecting the feeding speed, a cutting device transmission mechanism for driving the cutting device to reciprocate along the running direction of the material, and a coordinated movement between the cutting device transmission mechanism and the feeding speed main control system;

The cutting device transmission mechanism includes a slide plate, a slide plate guide rail arranged along the running direction of the material, and a slide plate reciprocating transmission mechanism that drives the slide plate to reciprocate. The slide plate reciprocating transmission mechanism is connected with the slide plate through a slide block. The skateboard is slidably connected with the skateboard guide rail through the skateboard slider;

The slide plate reciprocating transmission mechanism includes a screw rod arranged along the running direction of the material, a screw nut matched with the screw rod, a servo motor driving the screw rod to rotate, and the slide plate connecting rod is connected to the screw nut and the described screw nut. skateboard slider;

The described feeding speed detecting device is composed of an encoder, upper runners and lower runners arranged in pairs, the shafts of the upper runners and the lower runners are all arranged perpendicular to the running direction of the material, and the encoder and one of them The runners are fixedly connected coaxially, and there is a gap for feeding materials between the upper runner and the lower runner;

One end of the discharge table is slidingly connected to the frame through the discharge table guide rail and the discharge table slider, and the other end of the discharge table is fixedly connected to the slide plate through the discharge table column;

The main control system is a PLC man-machine interface control system.

Due to the cutting machine synchronous transmission device of the present invention, the running speed of the material is detected by the feeding speed detection device and a pulse signal is sent, and the pulse signal is extracted by the main control system and compared with the value stored in the main control system. When the extracted value matches the stored value, the main control system sends a cutting command to the cutting device transmission mechanism, so that the cutting device moves in the same direction at the same speed as the material, and the feeding speed is the same as that of the cutting device. The running speed is synchronized, so that the cutter can cut in the same section of the object to be cut, there will be no ejection phenomenon, the cutting plane is smooth, and the pressure of the cutting tool on the cutting tool when the material 432 is advancing is eliminated, so it will not The cutting tool is not damaged, the cutting is more stable, and the noise of the equipment is reduced.

Description of drawings

Fig. 1 is a schematic diagram of a front view of a cutting machine synchronization device according to an embodiment of the present invention;

FIG. 2 is a schematic left view of FIG. 2 .

Explanation of reference signs

200-Feeding speed detection device 300-Cutting device transmission mechanism 308-Discharging table 309-Discharging table slider 310-Discharging table guide rail 311-Discharging table column 312-Skateboard slider 313-Skateboard 314-Screw rod support Seat 315-Screw 316-Skateboard Connecting Rod 317-Screw Nut 318-Screw Bottom 319-Skateboard Guide 320-Servo Motor 400-Cutting Device 431-Inlet 432-Material

Detailed ways

Below in conjunction with accompanying drawing and embodiment the present invention will be further described:

As shown in Figure 1-2, the synchronous transmission device of the present invention is composed of a transmission mechanism 300 that drives the cutting device to reciprocate, a feeding speed detection device that detects the feeding speed, and a main control system that controls the coordinated movement of the transmission mechanism and the feeding speed. In the invention, transmission mechanism 300 comprises screw mandrel 316 and screw mandrel nut 317, servomotor 320 and slide plate 313 that are connected with screw mandrel, and slide plate guide rail 319 is fixedly arranged on the frame, and slide plate 313 is connected with slide plate guide rail 319 by slide plate slide block 312. Connection, the screw nut 317 and the slide block 312 are connected by the slide connecting rod 316, the cutting device is fixedly arranged on the slide 313, the screw 315 is fixed on the frame through the screw bottom plate 318, the slide guide 319, the screw 315 It is arranged in parallel with the same direction as the conveying direction of the material. When working, the running speed data of the object to be processed is extracted by the feeding speed detection device and sent to the main control system, and the main control system processes the signal and sends instructions to make the servo motor 320 perform forward/reverse rotation, so that the screw rod 315 drives the slide plate 313 reciprocating motion drives the cutting device 400 to move synchronously, so as to realize the synchronous movement of the feeding and cutting device in the same direction. The feeding speed is synchronized with the running speed of the cutting device, so that the cutter can cut on the same section of the object to be cut, and there will be no ejection phenomenon, the cutting plane is flat, and the cutting tool is eliminated when the material 432 advances. The pressure will not damage the cutting tool, the cutting will be more stable, and the noise of the equipment will be reduced. As a preferred mode, one end of the discharge platform 308 of the present invention is connected to the frame through the discharge platform guide rail 310 and the discharge platform slider 309, and the other end is fixedly connected to the slide plate 313 through the discharge platform column 311, and the discharge The table guide rail 310 is arranged along a direction parallel to the discharge direction, so that the discharge table 308 set in this way is consistent with the displacement direction and speed of the cutting device 400. Before cutting, the material is transported from the feed port 431 to the discharge table 308. When the length of the material on the discharge table reaches the specified length, the cutting device 400 cuts the material, and the discharge table 308 and the cutting device move forward synchronously with the material, realizing the synchronization of feeding and discharging, and the cutting is completed The material that has not been cut and the material that has not been cut will not be ejected. When the cutting is completed, the discharge table and the cutting device will return to the original position synchronously.

As another embodiment of the present invention, the screw drive device can be replaced by a hydraulic transmission device, the hydraulic cylinder is electrically connected to the main control system, and the piston rod is connected to the slider connecting rod, and the hydraulic cylinder is fixed on the frame.

As a preferred embodiment of the present invention, the feeding speed detection device is composed of an encoder, an upper runner and a lower runner arranged in pairs, and the encoder is coaxially fixedly connected with the upper runner or the lower runner, and the runners form a On the frame rotatably arranged in front of the feed inlet, the axis of the runners is set perpendicular to the running direction of the material. When the material passes between the two runners, the two runners rotate under the action of friction, thereby driving the encoder To rotate, the encoder is electrically connected to the main control system.

As a preferred solution of the present invention, the main control system is a PLC processing system, which can communicate with a man-machine interface and is convenient for setting and modifying various parameters.

Claims (6)

1. guillotine synchronous transmission device is characterized in that: comprise the feeding speed checkout gear (200) that detects feeding speed, drive the master control system of cutting means transmission mechanism (300) that cutting means (400) moves reciprocatingly along the traffic direction of material (432) and control cutting means transmission mechanism (300) and the feeding speed coordinated movement of various economic factors.

2. a kind of guillotine synchronous transmission device as claimed in claim 1; It is characterized in that: the operating slide guideway rail (319) that described cutting means transmission mechanism (300) comprises slide plate (313), be provided with along the traffic direction of material (432), drive the reciprocal transmission mechanism of slide plate that slide plate (313) moves reciprocatingly; The reciprocal transmission mechanism of said slide plate is connected with slide plate (313) through slide plate slide block (312), and said slide plate (313) is slidingly connected through slide plate slide block (312) and operating slide guideway rail (319).

3. a kind of guillotine synchronous transmission device as claimed in claim 2; It is characterized in that: the reciprocal transmission mechanism of described slide plate comprises along the screw mandrel (315) of the traffic direction setting of material, matees the feed screw nut (317) who is provided with, the servomotor (320) that drives the screw mandrel rotation with screw mandrel (315), and slide plate connecting rod (316) connects described feed screw nut (317) and described slide plate slide block (312).

4. like claim 1 or 2 or 3 described a kind of guillotine synchronous transmission devices; It is characterized in that: described feeding speed checkout gear (200) is by the last runner and the following runner of encoder, setting in pairs; Said go up runner and following runner spool all with vertical setting of traffic direction of expecting; Said encoder is fixedly connected with wherein a runner is coaxial, is provided with the gap that feed (432) passes through between said last runner (201) and said following runner (202).

5. a kind of guillotine synchronous transmission device as claimed in claim 2; It is characterized in that: an end of discharge pedestal (308) is slidingly connected with frame through discharge pedestal guide rail (310) and discharge pedestal slide block (309), and the other end of discharge pedestal (308) is fixedly connected with described slide plate (313) through discharge pedestal important actor (311).

6. like claim 1 or 2 or 3 or 5 described a kind of guillotine synchronous transmission devices, it is characterized in that: described master control system is PLC man-machine interface control system.

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