阅读说明：本技术 一种筛网生产用送料装置 (Material feeding unit is used in screen cloth production ) 是由 陆迪涛 于 2021-07-12 设计创作，主要内容包括：本发明公开了一种筛网生产用送料装置,包括支撑机构、金属丝收卷装置、清理机构和转动机构；所述支撑机构包括支撑底盘,所述支撑底盘顶面一端固定焊接有侧支撑盘,所述侧支撑盘顶端内侧固定焊接有转动支盘,所述侧支撑盘内侧中心开设有支撑滑槽,所述侧支撑盘内侧与所述连接支杆相邻固定焊接有连接支杆,所述支撑底盘顶面在远离所述侧支撑盘一端对称开设有限位滑槽,所述支撑底盘顶面在远离所述侧支撑盘一端设置有侧支撑架,所述侧支撑架底面对称焊接有滑动支脚。本发明能够在生产设备出现故障快速拉动金属丝时及时进行刹停,保证生产设备安全,同时可在金属丝进行加工时,提前对其表面进行清理。(The invention discloses a feeding device for screen production, which comprises a supporting mechanism, a metal wire winding device, a cleaning mechanism and a rotating mechanism, wherein the supporting mechanism is arranged on the supporting mechanism; the supporting mechanism is including supporting the chassis, the fixed welding of support chassis top surface one end has the collateral branch supporting disk, the inboard fixed welding in collateral branch supporting disk top has the rotation supporting disk, the inboard center of collateral branch supporting disk has been seted up and has been supported the spout, the collateral branch supporting disk inboard with the adjacent fixed welding of connecting branch has connecting branch, it is keeping away from to support the chassis top surface collateral branch supporting disk one end symmetry has seted up spacing spout, it is keeping away from to support the chassis top surface collateral branch supporting disk one end is provided with the collateral branch strut, collateral branch strut bottom surface symmetric welding has the slip stabilizer blade. The invention can brake and stop in time when the production equipment breaks down and pulls the metal wire quickly, thereby ensuring the safety of the production equipment, and simultaneously cleaning the surface of the metal wire in advance when the metal wire is processed.)

1. The utility model provides a material feeding unit is used in screen cloth production which characterized in that includes: the device comprises a supporting mechanism (1), a metal wire winding device (2), a cleaning mechanism (3) and a rotating mechanism (4);

the supporting mechanism (1) comprises a supporting chassis (101), one end of the top surface of the supporting chassis (101) is fixedly welded with a side supporting disk (102), a rotary supporting disk (103) is fixedly welded on the inner side of the top end of the side supporting disk (102), a supporting sliding groove (104) is arranged at the center of the inner side of the side supporting disk (102), the inner side of the side supporting disc (102) is fixedly welded with a connecting strut (105) adjacent to the connecting strut (105), the top surface of the supporting base plate (101) is symmetrically provided with limiting sliding grooves (107) at one end far away from the side supporting plate (102), a side supporting frame (106) is arranged at one end of the top surface of the supporting base plate (101) far away from the side supporting plate (102), sliding support legs (108) are symmetrically welded on the bottom surface of the side support frame (106), a limiting support disc (110) is fixedly welded on the top end of the side support frame (106), and a limiting groove is formed in the center of the top surface of the limiting support disc (110);

slewing mechanism (4) are including side rotation board (401), the fixed welding in side rotation board (401) side center has rotation connection roller (402), the fixed welding in rotation connection roller (402) side center has spacing connecting axle (403), side rotation board (401) are in it has rotation connection pad (405) to rotate the opposite one side arch of connection roller (402), it has ratchet (404) to rotate connection pad (405) fixed cover surface, side rotation board (401) are in ratchet (404) downside is provided with and stops tight dish (407), it has seted up adjustment groove (408) to stop tight dish (407) side center, adjustment groove (408) with it has adjusting slide bar (410) to slide the embedding between support spout (104), tight dish (407) bottom of stopping has seted up connecting hole (409), connecting hole (409) rotate cup joint in connecting branch (105) end, a sliding adjusting groove (411) is vertically formed in the rotating connecting disc (405), a limiting sliding rod (406) is embedded in the sliding adjusting groove (411) in a sliding mode, the limiting sliding rod (406) is of an L-shaped structure, and a limiting spring (412) is fixedly installed between the bottom surface of the top end of the limiting sliding rod (406) and the inner wall of the sliding adjusting groove (411);

the metal wire winding device (2) comprises side limiting plates (202), winding rollers (201) are symmetrically welded at two ends of each side limiting plate (202), and the side limiting plates (202) are sleeved on the outer side surfaces of the rotating connecting rollers (402) in a sliding mode;

the cleaning mechanism (3) comprises a fixed support (301), the fixed support (301) is fixedly installed on one side surface, parallel to the rotating connecting roller (402), of the supporting chassis (101), the fixed support (301) is of a U-shaped structure, the tail end of the fixed support (301) is symmetrically and rotatably connected with a movable supporting arm (305), two cleaning limiting rollers (308) are rotatably connected between the top ends of the movable supporting arms (305), a rotating supporting shaft (306) protrudes out of the center of the inner side surface of each movable supporting arm (305), connecting grooves (303) are symmetrically formed in two sides of the top surface of the fixed support (301), a hydraulic rod (304) is arranged between each movable supporting arm (305) and the fixed support (301), the top end of the hydraulic rod (304) is rotatably sleeved on the surface of the rotating supporting shaft (306), and the tail end of the hydraulic rod (304) is rotatably embedded into the connecting grooves (303), the movable support arm (305) and the fixed bracket (301) are kept vertical.

2. The feeding device for screen production according to claim 1, wherein: the sliding support legs (108) are matched with the limiting sliding grooves (107), and the sliding support legs (108) are embedded in the limiting sliding grooves (107) in a sliding mode.

3. The feeding device for screen production according to claim 2, wherein: the supporting chassis (101) is arranged on the left side and the right side of the side supporting frame (106) and is provided with side fixing buckles (109), the side fixing buckles (109) are provided with safety locks, and locking grooves matched with the side fixing buckles (109) are symmetrically formed in the left side and the right side of the bottom end of the side supporting frame (106).

4. The feeding device for screen production according to claim 3, wherein: a gap is reserved between the ratchet wheel (404) and the side face of the side rotating plate (401), the thickness of the ratchet wheel (404) is consistent with that of the tightening disc (407), and the ratchet teeth on the side face of the ratchet wheel (404) are matched with the teeth on the surface of the tightening disc (407).

5. The feeding device for screen mesh production according to claim 4, wherein: the adjusting groove (408) and the supporting sliding groove (104) are consistent in shape and size and are matched with each other.

6. The feeding device for screen production according to claim 5, wherein: the outer side surface of the rotary connecting roller (402) is circumferentially arrayed with limiting lugs, and the inner side of the side limiting plate (202) is uniformly provided with limiting grooves matched with the limiting lugs.

7. The feeding device for screen production according to claim 6, wherein: the two cleaning limit rollers (308) are arranged, and a gap is reserved between the two cleaning limit rollers (308).

8. The feeding device for screen production according to claim 7, wherein: still include magnetic plate (309), the inboard top of activity support arm (305) is protruding to have fixed splint (307), magnetic plate (309) fixed mounting is in two between fixed splint (307), magnetic plate (309) terminal fixed mounting has deflector (310).

9. The feeding device for screen production according to claim 8, wherein: still including collecting basket (302), collect basket (302) embedding fixed bolster (301) center, the fixed welding in collection basket (302) top surface both ends has the handle, magnetism board (309) slope sets up, and the slope orientation collect basket (302) center, deflector (310) are arc column structure, and make for the rubber material.

Technical Field

The invention relates to the technical field of screen production equipment, in particular to a feeding device for screen production.

Background

The screen is woven by metal wires or fiber wires, and the aperture is 0.15-1 mm. Can remove and recover suspended matters with different types and sizes, and has the advantages of simple and efficient screen separation, low operating cost and the like. Generally used for the treatment of waste water with smaller scale. There are many types of screens, the two main ones being vibrating screens and hydraulic screens. The so-called mesh is different from a general mesh product. But rather have a strict series of mesh sizes. And the product is a netted product which has the functions of grading and screening object particles and meets the approval of industries, institutions and standards. The screen does not say 'mesh number', which is a habit that people describe and is difficult to overcome at one time. A screen differs from a typical mesh product in that it has a strict mesh size, not a "mesh count". The screen size is not isolated and it is composed of a series of mesh sizes for the purpose of classification screening.

Need use wire transmission device in the screen cloth production process, current wire transmission device can only be passive carry out the transmission of wire, in case break down at equipment, when carrying out the wire and dragging with very fast speed, can't block, cause the wire to enter into the production facility probably and cause equipment trouble, impurity such as iron fillings can appear in the wire transmission process simultaneously, if not in time clear up, can lead to the screen cloth can't obtain guaranteeing of the outgoing of quality.

Disclosure of Invention

The invention aims to provide a feeding device for screen mesh production, which can brake and stop in time when production equipment breaks down and quickly pulls a metal wire, so that the safety of the production equipment is ensured, and simultaneously, the surface of the metal wire can be cleaned in advance when the metal wire is processed, so as to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a feeding device for screen production comprises a supporting mechanism, a metal wire winding device, a cleaning mechanism and a rotating mechanism;

the supporting mechanism comprises a supporting chassis, a side supporting disc is fixedly welded at one end of the top surface of the supporting chassis, a rotating supporting disc is fixedly welded at the inner side of the top end of the side supporting disc, a supporting chute is formed in the center of the inner side of the side supporting disc, a connecting supporting rod is fixedly welded at the inner side of the side supporting disc and adjacent to the connecting supporting rod, limiting chutes are symmetrically formed in the top surface of the supporting chassis at one end away from the side supporting disc, a side supporting frame is arranged at one end away from the side supporting disc on the top surface of the supporting chassis, sliding supporting legs are symmetrically welded on the bottom surface of the side supporting frame, a limiting supporting disc is fixedly welded at the top end of the side supporting frame, and a limiting groove is formed in the center of the top surface of the limiting supporting disc;

the rotating mechanism comprises a side rotating plate, a rotating connecting roller is fixedly welded at the center of the side surface of the side rotating plate, a limiting connecting shaft is fixedly welded at the center of the side surface of the rotating connecting roller, a rotating connecting disc is protruded on the side of the side rotating plate opposite to the rotating connecting roller, a ratchet wheel is fixedly sleeved on the surface of the rotary connecting disc, a braking disc is arranged on the lower side of the ratchet wheel of the side rotary plate, an adjusting groove is arranged at the center of the side surface of the tightening disc, an adjusting slide rod is embedded between the adjusting groove and the supporting slide groove in a sliding manner, the bottom end of the brake disc is provided with a connecting hole which is rotatably sleeved at the tail end of the connecting strut, a sliding adjusting groove is vertically arranged in the rotating connecting disc, a limiting sliding rod is embedded in the sliding adjusting groove in a sliding manner, the limiting slide bar is of an L-shaped structure, and a limiting spring is fixedly arranged between the bottom surface of the top end of the limiting slide bar and the inner wall of the sliding adjusting groove;

the metal wire winding device comprises side limiting plates, winding rollers are symmetrically welded at two ends of each side limiting plate, and the side limiting plates are sleeved on the outer side surfaces of the rotary connecting rollers in a sliding manner;

the clearance mechanism includes the fixed bolster, fixed bolster fixed mounting in support the chassis with rotate and connect a side surface that the roller parallels, the fixed bolster is "U" font structure, the terminal symmetry of fixed bolster rotates and is connected with the movable support arm, two rotate between the movable support arm top and be connected with clearance spacing roller, the protruding rotation back shaft that has in the inboard surface center of movable support arm, the spread groove has been seted up to fixed bolster top surface bilateral symmetry, the movable support arm with be provided with the hydraulic stem between the fixed bolster, the hydraulic stem top rotate cup joint in rotate the back shaft surface, the hydraulic stem end rotate the embedding in inside the spread groove, the movable support arm with the fixed bolster keeps perpendicularly.

Preferably, the sliding support legs are matched with the limiting sliding grooves, and the sliding support legs are embedded in the limiting sliding grooves in a sliding mode.

Preferably, the supporting chassis is provided with side fixing buckles on the left side and the right side of the side supporting frame, the side fixing buckles are provided with safety locks, and locking grooves matched with the side fixing buckles are symmetrically formed in the left side and the right side of the bottom end of the side supporting frame.

Preferably, a gap is reserved between the ratchet wheel and the side face of the side rotating plate, the thickness of the ratchet wheel is consistent with that of the tightening disc, and the ratchet teeth on the side face of the ratchet wheel are matched with the teeth on the surface of the tightening disc.

Preferably, the adjusting groove and the supporting sliding groove are consistent in shape and size and matched with each other.

Preferably, the circumferential surface of the outer side of the rotary connecting roller is provided with limiting lugs in an array mode, and the inner side of the side limiting plate is uniformly provided with limiting grooves matched with the limiting lugs.

Preferably, the number of the cleaning limiting rollers is two, and a gap is reserved between the two cleaning limiting rollers.

Preferably, still include the magnetic plate, the inboard top of activity support arm is protruding to have a solid fixed splint, magnetic plate fixed mounting is in two between the solid fixed splint, the terminal fixed mounting of magnetic plate has the deflector.

Preferably, still including collecting the basket, collect the basket embedding the fixed bolster center, the fixed welding in collection basket top surface both ends has the handle, the slope of magnetic plate sets up, and the slope orientation collect the basket center, the deflector is arc column structure, and makes for the rubber material.

Compared with the prior art, the invention has the beneficial effects that:

(1) according to the invention, the supporting mechanism is matched with the rotating mechanism, so that when the production equipment breaks down and the metal wire is rapidly pulled, the adjusting slide rod is pushed through the limiting slide rod by utilizing the characteristic that the centrifugal force of the limiting slide rod is increased, the tightening disc is further pushed through the adjusting slide rod, the ratchet wheel is braked and stopped through the tightening disc, and further the rotation of the metal wire winding device can be stopped, so that the metal wire can not be transmitted into the production equipment any more, the production equipment is prevented from being damaged, and the safety of the production process is further improved;

(2) according to the wire screen, the cleaning mechanism is arranged, so that scrap iron, dust and other substances on the surface of the wire screen can be cleaned through the two cleaning limiting rollers in the process of conveying the wire, the scrap iron, the dust and other substances are adsorbed by the magnetic plate, and after the dust and other impurities are adsorbed too much, the wire screen can slide down to the interior of the collecting basket through the guide plate along the surface of the magnetic plate through the gravity of the wire screen to be collected, so that the wire screen is convenient to clean uniformly, and the delivery quality of the wire screen is improved;

(3) the side support frame, the support chassis and the side fixing buckle are matched, so that the metal wire winding device can be conveniently disassembled and assembled, meanwhile, the side support frame can be used for stably supporting the rotating connecting roller, the rotating stability is improved, the mechanical fault in the rotating process is avoided from influencing the production efficiency, the side support frame can be fixed in position through the side fixing buckle, the side support frame is prevented from being displaced under the action of external impact force, and the use reliability of the device is improved.

Drawings

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

FIG. 2 is a structural view of the cleaning mechanism of the present invention;

FIG. 3 is a view of the connection structure of the support mechanism and the rotation mechanism of the present invention;

FIG. 4 is a structural view of the support mechanism of the present invention;

FIG. 5 is a structural view of the rotating mechanism of the present invention;

fig. 6 is a cross-sectional structural view of the rotating mechanism of the present invention.

In the figure: 1. a support mechanism; 101. a support chassis; 102. a side support plate; 103. rotating the supporting disc; 104. a support chute; 105. connecting a support rod; 106. a side support frame; 107. a limiting chute; 108. a sliding leg; 109. a lateral fixing buckle; 110. a limiting support disc; 2. a wire take-up device; 201. a wind-up roll; 202. a side limiting plate; 3. a cleaning mechanism; 301. fixing a bracket; 302. a collection basket; 303. connecting grooves; 304. a hydraulic lever; 305. a movable support arm; 306. rotating the support shaft; 307. fixing the clamping plate; 308. cleaning the limiting roller; 309. a magnetic plate; 310. a guide plate; 4. a rotating mechanism; 401. a side rotation plate; 402. rotating the connecting roller; 403. a limiting connecting shaft; 404. a ratchet wheel; 405. rotating the connecting disc; 406. a limiting slide bar; 407. a brake disc; 408. an adjustment groove; 409. connecting holes; 410. adjusting the sliding rod; 411. a sliding adjustment groove; 412. and a limiting spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 6, the present invention provides a feeding device for producing a screen, which comprises:

a feeding device for screen production is shown in figure 1 and comprises a supporting mechanism 1, a metal wire winding device 2, a cleaning mechanism 3 and a rotating mechanism 4;

the supporting mechanism 1 comprises a supporting base plate 101, a side supporting plate 102 is fixedly welded at one end of the top surface of the supporting base plate 101, a rotating supporting plate 103 is fixedly welded at the inner side of the top end of the side supporting plate 102, a supporting chute 104 is formed in the center of the inner side of the side supporting plate 102, a connecting strut 105 is fixedly welded at the inner side of the side supporting plate 102 adjacent to the connecting strut 105, limiting chutes 107 are symmetrically formed in the top surface of the supporting base plate 101 at one end far away from the side supporting plate 102, a side supporting frame 106 is arranged at one end, far away from the side supporting plate 102, of the top surface of the supporting base plate 101, sliding support legs 108 are symmetrically welded at the bottom surface of the side supporting frame 106, a limiting supporting plate 110 is fixedly welded at the top end of the side supporting frame 106, and a limiting groove is formed in the center of the top surface of the limiting supporting plate 110;

the rotating mechanism 4 comprises a side rotating plate 401, a rotating connecting roller 402 is fixedly welded at the center of the side surface of the side rotating plate 401, a limiting connecting shaft 403 is fixedly welded at the center of the side surface of the rotating connecting roller 402, a rotating connecting disc 405 is protruded on the side of the side rotating plate 401 opposite to the rotating connecting roller 402, a ratchet 404 is fixedly sleeved on the surface of the rotating connecting disc 405, a braking disc 407 is arranged on the lower side of the ratchet 404 of the side rotating plate 401, an adjusting groove 408 is formed in the center of the side surface of the braking disc 407, an adjusting slide rod 410 is slidably embedded between the adjusting groove 408 and the supporting slide groove 104, a connecting hole 409 is formed in the bottom end of the braking disc 407, the connecting hole 409 is rotatably sleeved at the tail end of the connecting support rod 105, a sliding adjusting groove 411 is vertically formed in the rotating connecting disc 405, a limiting slide rod 406 is slidably embedded in the sliding adjusting groove 411, the limiting slide rod 406 is of an L-shaped structure, and a limiting spring 412 is fixedly installed between the bottom surface of the top end of the limiting slide rod 406 and the inner wall of the sliding adjusting groove 411;

the metal wire winding device 2 comprises a side limiting plate 202, winding rollers 201 are symmetrically welded at two ends of the side limiting plate 202, and the side limiting plate 202 is sleeved on the outer side surface of the rotating connecting roller 402 in a sliding manner;

clearance mechanism 3 includes fixed bolster 301, fixed bolster 301 fixed mounting is in supporting chassis 101 and rotates a side surface that connects roller 402 and parallel, fixed bolster 301 is "U" font structure, fixed bolster 301 end symmetry rotates and is connected with movable support arm 305, it is connected with clearance spacing roller 308 to rotate between two movable support arm 305 tops, the protruding back shaft 306 that has rotated in side surface center in movable support arm 305, fixed bolster 301 top surface bilateral symmetry has seted up spread groove 303, be provided with hydraulic stem 304 between movable support arm 305 and the fixed bolster 301, the top of hydraulic stem 304 is rotated and is cup jointed in back shaft 306 surface rotates, the terminal embedding of hydraulic stem 304 is inside spread groove 303, movable support arm 305 and fixed bolster 301 keep perpendicularly.

Specifically, as shown in fig. 4, in order to facilitate detachment and installation, the sliding legs 108 are matched with the limiting sliding grooves 107, and the sliding legs 108 are slidably embedded in the limiting sliding grooves 107.

Specifically, as shown in fig. 4, in order to fix the position of the side support frame 106 and avoid displacement during operation, the support chassis 101 is provided with side fixing buckles 109 on the left and right sides of the side support frame 106, the side fixing buckles 109 are provided with safety locks, and locking grooves matched with the side fixing buckles 109 are symmetrically formed on the left and right sides of the bottom end of the side support frame 106.

Specifically, as shown in fig. 3, in order to avoid the interference of the ratchet 404 on the rotation of the side rotating plate 401, a gap is left between the ratchet 404 and the side surface of the side rotating plate 401, the thickness of the ratchet 404 is consistent with that of the tightening disc 407, and the teeth on the side surface of the ratchet 404 are matched with the teeth on the surface of the tightening disc 407, so as to facilitate the braking in emergency.

Specifically, as shown in fig. 4 and 5, in order to facilitate the sliding of the adjusting slide rod 410, the adjusting slot 408 and the supporting slide slot 104 are identical in shape and size and are matched with each other.

Specifically, as shown in fig. 1, in order to avoid relative sliding, the circumferential array of the limiting protrusions is arranged on the outer surface of the rotating connecting roller 402, and the inner side of the side limiting plate 202 is uniformly provided with limiting grooves matched with the limiting protrusions.

Specifically, as shown in fig. 2, in order to perform cleaning and position limitation during the process and make the transmission of the cleaning and position limitation smoother, two cleaning limit rollers 308 are provided, and a gap is left between the two cleaning limit rollers 308.

Specifically, as shown in fig. 2, in order to adsorb and transmit dust or iron filings, the magnetic device further includes a magnetic plate 309, a fixed clamping plate 307 protrudes from the top end of the inner side of the movable supporting arm 305, the magnetic plate 309 is fixedly installed between the two fixed clamping plates 307, and a guide plate 310 is fixedly installed at the tail end of the magnetic plate 309.

Specifically, as shown in fig. 2, in order to collect dust and iron filings, the dust and iron filings collecting device further comprises a collecting basket 302, the collecting basket 302 is embedded into the center of the fixing support 301, handles are fixedly welded to two ends of the top surface of the collecting basket 302, the magnetic plate 309 is obliquely arranged and obliquely faces the center of the collecting basket 302, and the guide plate 310 is of an arc-shaped structure and made of rubber.

The working principle is as follows: when the metal wire winding device is used, firstly, the metal wire winding device 2 wound with metal wires is sleeved on the surface of the rotating connecting roller 402 through the side limiting plate 202, then the limiting sliding chute 107 is embedded in the sliding supporting leg 108 in a sliding manner, meanwhile, the limiting connecting shaft 403 is supported through the limiting groove at the top end of the limiting supporting disc 110, and meanwhile, two sides of the side supporting frame 106 are fixed through the side fixing buckle 109;

secondly, the metal wire penetrates through a gap between the two cleaning limiting rollers 308 and is sent into a screen processing device, the metal wire is simultaneously pulled through the processing device, the metal wire winding device 2 and the rotating mechanism 4 are driven to integrally rotate relative to the supporting mechanism 1, the metal wire is continuously transmitted, when the metal wire passes through the two cleaning limiting rollers 308, the metal wire can be cleaned through the cleaning limiting rollers 308, so that substances such as scrap iron and dust on the surface of the metal wire are separated from the metal wire and are adsorbed by the magnetic plate 309, and after impurities such as dust are adsorbed too much, the metal wire can slide down to the inside of the collecting basket 302 through the guide plate 310 along the surface of the magnetic plate 309 by the self gravity of the metal wire and is collected;

finally, once the processing equipment has a fault and the metal wire is pulled rapidly, the metal wire drives the side rotating plate 401 to rotate rapidly, so as to drive the rotating connecting disc 405 to rotate rapidly, and simultaneously drives the limit slide rod 406 to rotate rapidly, so that the centrifugal force of the limit slide rod 406 is increased, and further the limit spring 412 is compressed by the centrifugal force, the tail end of the limit slide rod 406 gradually slides out of the rotating connecting disc 405 while the limit spring 412 is compressed, until the limit range exceeds the circumferential range of the ratchet 404, when the limit slide rod 406 rotates rapidly and circumferentially and reaches the side surface of the limit slide rod 410, the limit slide rod 410 is pushed to slide between the adjusting groove 408 and the supporting chute 104, and further the regulating slide rod 410 pushes the brake disc 407 to rotate relative to the connecting hole 409, and continuously approaches the side surface of the ratchet 404 until the side surface of the ratchet 404 is clamped, the rotation of the ratchet 404 is wound and stopped, and further the rotation of the metal wire device 2 can be stopped, the metal wire can not be transmitted into the production equipment any more, the production equipment is prevented from being damaged, and the safety of the production process is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.