CN110616465A - Wound form seed cotton foreign fiber descaling machine with laser cutting function - Google Patents

Abstract

The invention relates to a winding-type seed cotton foreign fiber cleaning machine with laser cutting function. The device includes a reversing mechanism, a seed cotton foreign fiber winding mechanism, a foreign fiber cutting mechanism and a cutting transmission mechanism. The seed cotton reversing mechanism includes an upper baffle, a lower baffle and a laser guide rod; the seed cotton foreign fiber winding mechanism has two foreign fiber winding cavities, and a row of winding rollers is vertically arranged in each cavity; the foreign fiber cutting mechanism includes a laser Tube, laser cutting head, laser guide rod, lead screw and limit sensor; the cutting transmission mechanism includes a rolling box, and there are gears, racks, motors and travel switches in the box. According to this kind of winding-type seed cotton foreign fiber cleaning machine with laser cutting function, it can work without stopping when cleaning foreign fibers in seed cotton, and uses new laser technology to automatically cut foreign fibers, which is efficient and fast. The invention has simple structure and high efficiency of cleaning foreign fibers.

Description

A winding type seed cotton foreign fiber cleaning machine with laser cutting function

technical field

The invention relates to a cleaning machine capable of winding and removing foreign fibers in seed cotton and automatically cutting foreign fibers by laser, in particular a winding type seed cotton foreign fiber cleaning machine with laser cutting function.

Background technique

Cotton is a traditional economic crop in my country and plays an important role in the national economy. However, in the process of picking and transporting seed cotton, a lot of impurities are often brought in, such as: cotton leaves, dust, cotton shells and foreign fibers and other impurities. Foreign fibers are more difficult to clean than other impurities. Quality has a greater impact, and the cleaning effect of foreign fibers in seed cotton will directly determine the textile quality of commercial lint.

Although the cleaning machine for the foreign fiber of seed cotton that exists at present can clean the foreign fiber, the overall efficiency is too low. The current technology for cleaning foreign fibers is difficult to clean long foreign fibers. The foreign fibers are mixed with the cotton fibers of seed cotton, which brings difficulties to the cleaning of foreign fibers, and most foreign fiber cleaning devices cannot meet the needs of seed cotton. The need for automatic processing slows down the processing speed. CN201485551U has announced a kind of seed cotton foreign fiber cleaning machine, cleans foreign fiber by the form of multi-layer winding, improves cleaning degree, but it can't clean foreign fiber on winding roller in time, needs manual cleaning to be full of foreign fiber, and process is loaded down with trivial details, and workload Large and unsafe, greatly increasing the consumption of manpower and material resources. CN105177725A discloses a foreign fiber treatment system for seed cotton, which can wind and remove foreign fibers in separate channels, but also cannot clean the foreign fibers on the winding rollers in a timely and effective manner. In addition, a kind of seed cotton foreign fiber cleaning machine announced by CN205774981U adopts a cutter to cut the foreign fiber, but the number of cutters is large, and there is a problem of difficult positioning. The cutter needs to be cut and moved, and the cutter transmission part increases the overall size of the machine. The structure of the machine is complex and the cleaning efficiency is not good.

Contents of the invention

The technical problem to be solved by the present invention is to provide a winding-type seed cotton foreign fiber cleaning machine with laser cutting function in view of the shortcomings of the existing technology, which can realize non-stop work during the process of seed cotton foreign fiber winding and cleaning, and The foreign fiber is quickly cut off from the winding roller by using the laser to improve the impurity removal efficiency and processing efficiency of the seed cotton.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical solutions: the winding-type seed cotton foreign fiber cleaning machine includes a machine housing, a seed cotton feeding port, a foreign fiber winding chamber, a laser cutting mechanism, a cutting transmission mechanism, and a foreign fiber removal mechanism. mouth and seed cotton outlet. The machine housing is provided with two foreign fiber winding chambers, and a row of winding rollers is arranged vertically in each winding chamber for winding foreign fibers, and a laser cutting mechanism is installed between the two foreign fiber winding chambers for The foreign fiber on the roller is cut off, the laser cutting head is fixed on the laser frame, the laser frame is installed on the screw for transmission, the laser guide rod is installed in the vertical direction for the rotation and positioning of the laser cutting head, and the limit sensor is set on the laser frame. The laser cutting head locates the cutting point. The upper and lower ends of the laser cutting mechanism are cutting transmission mechanisms, which mainly rely on rack and pinion transmission. The upper box is equipped with gears, racks, and gear motors. The lower box is equipped with a stepping motor and a travel switch. There are two baffles on the top and bottom of the machine, and an electromagnetic push rod is installed in the middle of the two baffles. It is characterized in that: the two baffles are driven to rotate by the electromagnetic push rod at the same time. Control the direction of the seed cotton feeding port, and the lower baffle controls the export direction of foreign fibers and seed cotton. When the electromagnetic push rod shrinks and extends, the upper and lower baffles are respectively attached to the machine walls on both sides.

The foreign fiber winding chamber is divided into two left and right lanes, each of which is vertically equipped with a plurality of winding rollers, and rectangular grooves are respectively opened on the inner wall of the machine housing of the foreign fiber winding chamber, and the positions of the slots in the two chambers are Symmetrical, the center of each notch corresponds to the position of the middle axis of the winding roller, and the width of the notch is the diameter of the winding roller.

The laser frame structure is a combined rectangle, and semicircular notches are respectively opened on the outer rectangular blocks at the symmetrical corners of the inner rectangle. The laser frame is installed on the vertical screw, and a laser guide rod is arranged on the side of the screw. When the laser frame is reversing, the position of the rod corresponds to the two notches.

The laser cutting head is installed on the laser frame, and the limit sensor is installed on the laser frame, and the position is parallel to the laser cutting head in the longitudinal and horizontal direction.

The cutting transmission mechanism is provided with upper and lower rolling boxes, and the upper box is provided with a rack and pinion transmission mechanism. The upper and lower boxes are connected by a screw and a laser guide rod, and can be linked vertically. Two travel switches are installed in the lower rolling box, which are symmetrically arranged vertically and horizontally.

When the lead screw rotates, the gear does not rotate, the lead screw rotates, and is fixed to the corresponding notch, and the position of the laser cutting head is precisely positioned by using the limit switch; when the gear rotates, the lead screw does not rotate; during laser cutting, the winding roller Rotate at a uniform low speed.

Compared with the prior art, the present invention has the advantages that: the seed cotton can enter from both ends during the cleaning process, and the two cleaning chambers work alternately to realize non-stop cleaning, foreign fiber winding and foreign fiber cleaning are carried out simultaneously, improving processing efficiency. Laser cutting is convenient and fast, and easy to control. The screw drive and the placement of the limit sensor are used to facilitate the positioning of the laser cutting head. The laser cutter is installed in a rotatable manner, and the forward and reverse rotation of the screw can be used to achieve double-sided cutting work, realizing the full use of a laser and saving machine costs. . The invention has simple overall structure, high cleaning efficiency, and meets the high-efficiency work requirements of cotton production and processing.

Description of drawings

Fig. 1 is a structural representation of work 1 of the present invention;

Fig. 2 is the structural representation of work 2 of the present invention;

Fig. 3 is a schematic diagram of laser cutting in the present invention;

Fig. 4 is a schematic diagram of laser head positioning in the present invention.

In Figure 1, 1 is the seed cotton feeding port; 2 is the block; 3 is the upper rotating baffle; 4 is the upper rolling box; 5 is the box roller; 6 is the winding roller; 7 is the laser guide rod; 8 is the right side Foreign fiber winding cleaning chamber; 9 is the laser frame; 10 is the threaded screw; 11 is the stepping motor; 12 is the travel switch; 13 is the foreign fiber discharge port on the right side; 16 is the foreign fiber discharge port on the left side; 17 is the electromagnetic push rod; 18 is the laser tube; 19 is the lower rolling box; 20 is the left side foreign fiber winding cleaning chamber; 23 is a notch; 24 is a rack; 25 is a gear; 26 is a gear motor; 27 is a casing.

Detailed ways

The invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figure 1 and Figure 2, it is a schematic structural diagram of the present invention, including a machine housing (27), a seed cotton feeding port (1), a right side foreign fiber winding cleaning chamber (8) and a left foreign fiber winding cleaning chamber (20), the right foreign fiber discharge port (13), the right foreign fiber discharge port (16) and the seed cotton discharge port (14);

The seed cotton feeding port (1) is positioned at the uppermost end of the machine housing (27), a pair of stoppers (2) and an upper rotary baffle plate (3) are arranged directly below the seed cotton feeding port (1), and the stoppers ( 2) It is used to block the top of the rotating baffle (3) to prevent the seed cotton from being stuck on the baffle (3) when it falls; the upper rotating baffle (3) is used to control the direction of the winding entrance of the seed cotton, and the upper rotating baffle (3) The bottom end is provided with an electromagnetic push rod, and the electromagnetic push rod can be energized and stretched to control the steering of the baffle.

On both sides of the lower end of the baffle are the left foreign fiber winding cleaning chamber (20) and the right foreign fiber winding cleaning chamber (8), the left foreign fiber winding cleaning chamber (20) and the right foreign fiber winding cleaning chamber The chamber (8) is two parallel vertical chambers, and multiple sets of vertically arranged winding rollers (6) are arranged in the two winding cleaning chambers for loosening seed cotton and winding foreign fibers; the middle of the two winding cleaning chambers The position is provided with an upper rolling box (4), a notch (23), a threaded screw (10), a laser guide rod, a laser frame (9), a lower rolling box (19), and a laser tube (18); Gear (25), rack (24) and geared motor (26) are provided in above-mentioned rolling case (4); Described notch (23) is a plurality of, and is two rows of vertical arrangement, and a plurality of The opening position of the notch matches the multiple vertically arranged winding rollers (6) of the left and right winding cleaning chambers; the upper end of the threaded screw (10) and the laser guide rod (7) is connected to the upper rolling box (4), the lower end is connected with the lower rolling box (19); a laser frame (9) is installed on the threaded screw (10) and the laser guide rod (7), and the laser guide rod (7) is a hollow rod, It is used to control the vertical positioning and guiding effect of the laser frame (9); the laser cutting head (21) and the limit sensor (22) are installed on the laser frame (9); the lower rolling box (19) is fixed with a The stepper motor (11) and two travel switches (12), the upper and lower boxes are connected by a screw (10) and a laser guide rod (7), and can be linked vertically; the lower end of the lower rolling box (19) A laser tube (18) is set to provide cutting energy; the lower rotating baffle (15) is set at the lower end of the lower rolling box (19), and is located at the lowermost end between the two winding cleaning chambers.

As shown in Figure 1, when in use, the seed cotton is first passed through the left winding chamber, and the seed cotton is conveyed by the winding roller on the left for foreign fiber winding, and the left side is delayed for a period of time after the seed cotton is wound; At this time, the right side winding roller reaches the working speed and starts to wind the foreign fiber, and the left side winding roller decelerates first, and keeps rotating at a constant speed when it reaches the set lower speed. The electromagnetic push rod is energized and shrinks, and both the upper rotating baffle (3) and the lower rotating baffle (15) rotate to the left; the seed cotton enters the foreign fiber winding cleaning chamber (8) on the right side from the seed cotton feeding port (1), After the seed cotton is loosened and wound by three winding rollers, it is discharged from the seed cotton outlet and enters the next process.

While the above-mentioned work process is being carried out in the right winding chamber, the left winding chamber starts to cut foreign fibers; the three winding rollers in the left foreign fiber winding cleaning chamber (20) rotate at a uniform low speed; the stepping motor (11) drives the wire The bar (10) rotates in the forward direction, and the rotation of the laser frame (9) is blocked by the laser guide rod (7), causing the laser frame (9) to move downward, and the stepper motor (11) stops at the corresponding position after rotating for a set time. At the first notch (21) of the laser cutting head (21), in order to ensure accurate positioning, the limit sensor (22) is triggered to detect whether the distance between the laser cutting head (21) and the winding roller (6) is blocked by the machine wall. If blocked, the screw Continue to rotate to the corresponding notch to complete the positioning. If it is not blocked, the positioning of the laser cutting head (21) is completed; The tooth bar (24) moves up, drives the upper rolling box (4) to move longitudinally, and under the drive of the leading screw (10) and the laser guide rod (7), the lower rolling box (19) carries out longitudinal linkage. When the laser cutting head (21) cuts to the other end of the winding roller (6), the travel switch (12) on the same side as the machine wall touches the machine wall, the switch is disconnected, the gear motor (26) stops and a short delay Start to reverse afterward, laser cutting head (21) carries out reverse cutting again. When the laser cutting head (21) returns to cut to the limit switch (12) on the other side and hits the machine wall, the gear motor (24) stops, the stepper motor (11) works, and the leading screw (10) continues to rotate. The principle of positioning to the second notch (23), the stepper motor (11) stops, the same as the first winding roller, the second winding roller is reciprocally cut, and the third winding roller is also cut With the same positioning and cutting operations, the cut foreign fibers enter the left foreign fiber discharge port (16) through the lower rotating baffle, and are discharged into the foreign fiber collection container. After cutting the third winding roll, the gear motor (24) stops, the laser tube (18) is powered off, and the laser cutting head (21) stops working.

As shown in Figure 2, after a period of delay, the right channel is cut. The winding roller (6) on the left side reaches the working speed and starts to wind foreign fibers, and the winding roller (6) on the right side decelerates first, and keeps rotating at a constant speed when it reaches the set lower speed. The electromagnetic push rod (17) is energized and elongated, the upper rotary baffle (3) and the lower rotary baffle (15) rotate to the right end, the foreign fiber winding cleaning chamber (8) on the right is used for cutting foreign fiber, and the left side is cleaning the foreign fiber winding Cavity (20) carries out seed cotton winding. Now stepper motor (11) reverses, and another notch of laser frame (9) is blocked by laser guide bar (7), realizes the location of laser cutting head (21) vertical direction. At this time, the laser cutting head (21) moves from bottom to top, performs the same laser head positioning operation as the left side three times, performs the same laser reciprocating cutting operation as the left side three times, and removes foreign fiber impurities from the right side to the right side. Miscellaneous mouth (13) discharges. When the three winding rolls (6) are cut, the foreign fiber cutting on the right is completed.

When the machine is working, the laser head cuts the channels on both sides continuously, which is a cycle of machine work, and the laser cutting follows this cycle characteristic. The machine is equipped with two seed cotton foreign fiber cleaning chambers to work alternately, which greatly improves the efficiency of seed cotton processing. The laser cutting method can quickly and effectively clean the foreign fiber on the winding roller (6), and it is driven by a stepping motor (11). The lead screw (10) facilitates the positioning of the laser cutting head (20). The width of the notch (21) is the diameter of the winding roller (6), which provides a certain deviation range for the positioning of the laser cutting. The limit sensor (22) is used Position again to ensure the accuracy and effectiveness of laser cutting. In the cutting process, the low uniform speed rotation of the winding roller (6) and the reciprocating cutting of the laser cutting head (21) further improve the cutting efficiency. The electromagnetic push rod (17) is used to push the upper and lower baffles, which is convenient and fast, and the positioning is convenient, and the two rotating baffles can effectively separate the channels of seed cotton and foreign fibers, ensuring that the cleaned seed cotton will not be polluted again, and can pass through two The foreign fiber removal channel recovers foreign fiber impurities, thereby improving the removal rate of foreign fiber in seed cotton.

The above uses specific examples to illustrate the present invention, which is only used to help understand the present invention, and is not intended to limit the present invention. All equivalent or simple changes made according to the structure, features and principles described in the patent concept of the present invention are included in the protection scope of the patent of the present invention.

Claims (6)

1. A winding type seed cotton foreign fiber cleaning machine with laser cutting function, characterized in that it includes a machine housing (27), a seed cotton feeding port (1), a right side foreign fiber winding cleaning chamber (8) and a left side Foreign fiber winding cleaning chamber (20), foreign fiber discharge port on the right side (13), foreign fiber discharge port on the left side (16), and seed cotton discharge port (14); the seed cotton feed port (1) is located in the casing (27), the triangular body directly below the seed cotton feeding port (1) is provided with an upper rotary baffle (3) for controlling the direction of the seed cotton winding inlet, and at the bottom of the upper rotary baffle (3) The end is provided with an electromagnetic push rod, and the electromagnetic push rod (17) can be energized and stretched to control the steering of the baffle; on both sides of the lower end of the baffle are the left foreign fiber winding cleaning chamber (20) and the right foreign fiber winding cleaning chamber (20). The cleaning chamber (8), the left foreign fiber winding cleaning chamber (20) and the right foreign fiber winding cleaning chamber (8) are two parallel vertical chambers, and multiple sets of vertical chambers are arranged in the two winding cleaning chambers. The winding rollers (6) arranged in a straight line are used for loosening the seed cotton and winding foreign fibers; the position between the two winding cleaning chambers is provided with an upper rolling box (4), a notch (23), a threaded screw (10), Laser guide rod, laser frame (9), lower rolling box (19), laser tube (18); said upper rolling box (4) is provided with gear (25), rack (24) and gear motor ( 26); the notches (23) are multiple, and are in two vertical rows, and the opening positions of the multiple notches are matched to a plurality of vertically arranged winding rollers ( 6); the upper end of the threaded screw (10) and the laser guide rod (7) is connected to the upper rolling box (4), and the lower end is connected to the lower rolling box (19); the threaded screw (10) and the laser guide A laser frame (9) is installed on the rod (7), and the laser guide rod (7) is a hollow rod for controlling the vertical positioning and guiding function of the laser frame (9); A laser cutting head (21) and a limit sensor (22) are arranged; a stepper motor (11) and two travel switches (12) are fixed in the lower rolling box (19), and the upper and lower boxes pass through the lead screw (10 ) is connected with the laser guide rod (7) and can be linked vertically; the lower end of the lower rolling box (19) is provided with a laser tube (18) for providing cutting energy; the lower rotating baffle (15) is arranged on the lower rolling The lower end of the casing (19), and is located at the lowermost end in the middle of the two winding cleaning chambers. 2. The winding-type seed cotton foreign fiber cleaning machine with laser cutting function according to claim 1, characterized in that: the foreign fiber winding chamber on the left side and the foreign fiber winding chamber on the right side are equipped with multiple vertically in the chambers. There are two winding rollers, and there are rectangular grooves on the inner wall of the machine housing of the foreign fiber winding chamber. The grooves in the two chambers are symmetrical. The center of each groove corresponds to the center axis of the winding roller. The width of the groove is The diameter of the winding roll. 3. The winding type seed cotton foreign fiber cleaning machine with laser cutting function according to claim 2, characterized in that: the laser frame structure is a combined rectangle, and the outer rectangular blocks at the symmetrical corners of the inner rectangle are respectively opened with A semicircular notch (23); the laser frame is mounted on a vertically set lead screw, and a laser guide rod is arranged on the side of the lead screw. When the laser frame is reversing, the position of the rod corresponds to the two notches respectively . 4. The winding type seed cotton foreign fiber cleaning machine with laser cutting function according to claim 3, characterized in that: the laser cutting head is installed on the laser frame, the limit sensor is installed on the laser frame, and the vertical and horizontal directions parallel to the laser cutting head. 5. The winding-type seed cotton foreign fiber cleaning machine with laser cutting function according to claim 4, characterized in that: the two travel switches in the lower rolling box are vertically and horizontally symmetrically arranged. 6. The winding type seed cotton foreign fiber cleaning machine with laser cutting function according to claim 5, characterized in that: when the lead screw rotates, the gear does not rotate, the lead screw rotates, and is fixed to the corresponding slot, using The limit switch accurately locates the position of the laser cutting head; when the gear rotates, the lead screw does not rotate; during laser cutting, the winding roller rotates at a uniform and low speed.