Single steel belt strip brush automatic wire feeding and cutting device

Abstract

The application discloses a single-steel-belt strip-shaped brush automatic wire feeding and cutting device, which comprises a mounting box, a wire distribution disc is mounted on the front side of the mounting box, a plurality of wire feeding grooves are arranged on the edge of the wire distribution disc in a circumferential direction, and the wire distribution disc is connected with an intermittent transmission wheel on the inner side of the mounting box; a power main shaft is arranged inside the mounting box along the axial direction of the wire distribution disc, the power main shaft drives the wire distribution disc to intermittently rotate; a wire feeding wheel is arranged outside the mounting box and away from the power main shaft, the wire feeding wheel is connected with the power main shaft in transmission and is driven to intermittently rotate through an adjustable wire length transmission mechanism, a wire pressing mechanism is arranged on the upper outer edge of the wire feeding wheel; a wire cutting mechanism is arranged on the front side of the mounting box, a wire feeding guide hole corresponding to the upper side of the wire feeding wheel is arranged on the lower end of the cutting knife of the wire cutting mechanism, the wire feeding guide hole corresponds to the wire feeding groove on the wire distribution disc, and a steel belt conveying belt is arranged on the lower side of the wire distribution disc. The application can solve the problem that the wire laying can only be manually performed in the prior art.

Description

Technical Field

[0001] This invention relates to the field of metal brush production and assembly, specifically to an automatic wire feeding and cutting device for a single steel strip brush. Background Technology

[0002] Single-strand steel strip brushes are commonly used for sealing, dustproofing, surface cleaning, and polishing of doors, windows, and equipment. Depending on the application, the bristles are divided into non-metallic bristles (pig bristles, horse bristles, nylon bristles, plant fibers, etc.), straight metal bristles, and curved metal bristles. Due to the physical properties of the bristles, non-metallic and straight metal bristles can be automated by using a bristle box for splitting, while curved metal bristles can only be laid manually. Because the bristles are laid manually on the machine, the operator cannot be effectively isolated from the moving parts, posing certain safety hazards. Furthermore, the quality of the produced products is inconsistent due to the operator's skill level and stability. For safety reasons, the single steel strip must be stopped during bristle laying, which affects efficiency. Summary of the Invention

[0003] This invention provides an automatic wire feeding and cutting device for single steel strip brushes, which can automatically feed, cut, and lay metal curved wires for single steel strip brushes, solving the problem that wire laying can only be done manually in the prior art.

[0004] To achieve the above objectives, the present invention provides the following technical solution: an automatic wire feeding and cutting device for a single steel strip brush, comprising a mounting box, wherein a wire separating disc is mounted on the front side of the mounting box, and a plurality of wire feeding grooves are arranged along the circumferential direction on the edge of the wire separating disc, and an intermittent rotating transmission shaft passing through the front side wall of the mounting box is arranged in the middle of the wire separating disc, and the intermittent rotating transmission shaft is connected to an intermittent transmission wheel inside the mounting box.

[0005] The power spindle is installed inside the mounting box along the axial direction of the wire splitting disc. The power spindle is equipped with an intermittent transmission mechanism that works in conjunction with the intermittent transmission wheel to drive the wire splitting disc to rotate intermittently.

[0006] The wire feeding wheel is located outside the mounting box on the side away from the main power shaft. The wire feeding wheel is connected to the main power shaft through an adjustable wire length transmission mechanism to rotate intermittently. The upper outer edge of the wire feeding wheel is provided with a wire pressing mechanism, which presses the steel wire on the radial outer side of the wire feeding wheel and feeds it towards the wire separating disc as the wire feeding wheel rotates.

[0007] The slicing mechanism, located on the front side of the mounting box, includes a rotatable slicing drive rod positioned above the slicing disc. The first end of the slicing drive rod engages with a cam mounted on the power spindle to drive its rotation. A cutter is mounted on the second end of the slicing drive rod, and the cutter rises and falls with the rotation of the slicing drive rod. A cutter holder is mounted on the lower end of the cutter, and a feed guide port corresponding to the upper side of the feed wheel is mounted on the lower end of the cutter holder. The feed guide port corresponds to the feed groove on the slicing disc. A slicing baffle extending from the feed guide port to the lower end of the slicing disc is mounted on one side of the slicing disc. A steel conveyor belt is positioned below the slicing disc.

[0008] Preferably, the intermittent transmission mechanism includes an intermittent cam mounted on the power spindle, a rotary lever, and a positioning transmission rod located above the intermittent cam. The middle part of the positioning transmission rod is connected to the mounting box via a transmission rod shaft. The intermittent transmission wheel is provided with radial positioning grooves around its circumference, corresponding to the wire feeding grooves on the wire splitting disc. One end of the positioning transmission rod is provided with a positioning transmission wheel that contacts the outer side of the intermittent cam, and the other end of the positioning transmission rod is provided with a positioning wheel that can be embedded in the radial positioning groove. The end of the rotary lever is equipped with a rotary transmission wheel that can be embedded in the radial positioning groove. The positioning wheel and the rotary transmission wheel cannot be embedded in adjacent radial positioning grooves simultaneously.

[0009] Preferably, the adjustable wire length transmission mechanism includes a transmission shaft installed inside the mounting box. One end of the transmission shaft is connected to the main power shaft via a bevel gear assembly, and the other end is equipped with an eccentric adjustment seat. An eccentric adjustment screw perpendicular to the transmission shaft is installed inside the eccentric adjustment seat. The eccentric adjustment screw is connected to one end of an eccentric shaft. The eccentric shaft is connected to one end of a telescopic transmission link. The other end of the transmission link is eccentrically connected to the central shaft of the wire feeding wheel.

[0010] Preferably, an overrunning clutch is connected between the central shaft of the wire feeding wheel and the other end of the transmission connecting rod.

[0011] Preferably, the wire pressing mechanism includes an upper wire feeding pulley located on the upper side of the wire feeding wheel, a lower wire feeding pulley located on the lower side of the wire feeding wheel, and a tensioning wheel located on the upper side of the lower wire feeding pulley. A wire feeding belt is wound around the upper wire feeding pulley, the lower wire feeding pulley, and the tensioning wheel, and the wire feeding belt presses the steel wire on the radial outer side of the wire feeding wheel.

[0012] Preferably, a tensioning cylinder is horizontally connected and installed on the side of the tensioning pulley near the upper wire feeding pulley.

[0013] Preferably, the second end of the slicing transmission rod is connected to a rotating shaft, and a cutter height adjustment rod is vertically installed inside the rotating shaft. An upper pad and a lower pad are respectively installed on the outer side of the cutter height adjustment rod at the upper and lower ends of the rotating shaft. The upper end of the upper pad is locked and limited by an upper locking nut, and the lower end of the lower pad is locked and limited by a lower locking nut. The lower end of the cutter height adjustment rod is connected to the cutter.

[0014] Preferably, the upper end of the shredding drive rod near the power spindle is connected to the mounting box via a return spring, and a shredding drive wheel is installed at the first end of the shredding drive rod, which is always in contact with the cam.

[0015] Preferably, an obliquely arranged bristle shedding baffle is installed on the lower end of the filament separating disc, away from the filament separating baffle.

[0016] Preferably, a power sprocket is installed at the rear end of the power spindle.

[0017] Preferably, the steel belt conveyor is positioned below the splitter disc.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] With a simple structure and a single power source, the power is transmitted to the main shaft via a chain and a power sprocket. The main shaft simultaneously provides power for automatic wire feeding, intermittent rotation of the wire separating disc, and automatic wire cutting by the wire cutter, which can solve the problem that existing technologies can only perform wire laying manually. Attached Figure Description

[0020] Figure 1 This is a front view structural diagram of the present invention;

[0021] Figure 2 This is a top sectional view of the present invention;

[0022] Figure 3 This is a partial cross-sectional view of the present invention;

[0023] Figure 4 This is a schematic diagram of the intermittent transmission mechanism of the present invention;

[0024] Figure 5 This is a schematic diagram of the wire feeding mechanism of the present invention. Detailed Implementation

[0025] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0026] like Figure 1-5As shown, the present invention provides an automatic wire feeding and cutting device for a single steel strip brush, including a mounting box 1. A wire separating disc 7 is mounted on the front side of the mounting box 1. A plurality of wire feeding grooves 71 are arranged along the circumferential direction on the edge of the wire separating disc 7. An intermittent rotating transmission shaft 6 passing through the front side wall of the mounting box 1 is arranged in the middle of the wire separating disc 7. The intermittent rotating transmission shaft 6 is connected to an intermittent transmission wheel 26 inside the mounting box 1.

[0027] The power spindle 10 is installed inside the mounting box 1 along the axial direction of the wire splitting disc 7. The power spindle 10 is provided with an intermittent transmission mechanism 19 that works in conjunction with the intermittent transmission wheel 26 to drive the wire splitting disc 7 to rotate intermittently.

[0028] The wire feeding wheel 27 is located on the outside of the mounting box 1 away from the power spindle 10. The wire feeding wheel 27 is connected to the power spindle 10 through an adjustable wire length transmission mechanism to rotate intermittently. The upper outer edge of the wire feeding wheel 27 is provided with a wire pressing mechanism, which presses the steel wire on the radial outside of the wire feeding wheel 27 and feeds it towards the wire separating disc 7 as the wire feeding wheel 27 rotates.

[0029] The slicing mechanism is located on the front side of the mounting box 1. It includes a rotatable slicing transmission rod 2 located above the slicing disc 7. The first end of the slicing transmission rod 2 is driven to rotate by a cam 12 mounted on the power spindle 10. The second end of the slicing transmission rod 2 is provided with a cutter 5. The cutter 5 rises and falls with the rotation of the slicing transmission rod 2. The lower end of the cutter 5 is provided with a cutter holder 16. The lower end of the cutter holder 16 is provided with a wire feeding guide port 17 corresponding to the upper side of the wire feeding wheel 27. The wire feeding guide port 17 corresponds to the wire feeding groove 71 on the slicing disc 7. A slicing baffle 8 extending from the wire feeding guide port 17 to the lower end of the slicing disc 7 is provided on one side of the slicing disc 7. It also includes a steel belt conveyor 15, which is located on the lower side of the slicing disc 7.

[0030] Specifically, the rotation of the power spindle 10 can simultaneously drive the adjustable wire length transmission mechanism to rotate, achieving intermittent wire feeding. At the same time, the power spindle 10 drives the wire cutting transmission rod 2 to rotate via the cam 12, thereby cutting the clustered steel wires entering the wire feeding guide 17 while feeding the wire. The rotation of the power spindle 10 also drives the wire separating disc 7 to rotate intermittently via the intermittent transmission mechanism 19. When the wire separating disc 7 rotates, it can move the clustered steel wires cut on the wire feeding guide 17 onto the steel belt conveyor 15, achieving automatic wire laying.

[0031] Specifically, the wire feeding groove 71 of the wire separating disc 7 and the wire separating baffle 8 form an irregular circle, which can just receive the metal wire coming out of the wire feeding guide port 17. While the cutter 5 cuts the metal wire, the wire separating disc 7 rotates clockwise to drive the metal wire to move. The side of the wire separating baffle 8 can give the metal wire a lateral pressure to ensure that the wire is fixed on the wire separating disc 7 during movement.

[0032] The lower end of the splitting disc 7, away from the splitting baffle 8, is equipped with an obliquely arranged bristle fall-off baffle 14. When the feeding groove 71 of the splitting disc 7 rotates vertically downward, the filaments leave the splitting disc 7 under their own weight and the action of the bristle fall-off baffle 14, and fall onto the U-shaped steel belt on the steel belt conveyor 15. As the U-shaped steel belt moves away from its original position, the next bundle of filaments will fall off under the rotation of the splitting disc, thus achieving a continuous filament laying effect.

[0033] In this embodiment, as Figure 3 As shown, the intermittent transmission mechanism 19 includes an intermittent cam 197, a rotary lever 195, and a positioning transmission rod 193 located above the intermittent cam 197, all mounted on the power spindle 10. The middle part of the positioning transmission rod 193 is connected to the mounting box 1 via a transmission rod shaft 191. The intermittent transmission wheel 26 is provided with a radial positioning groove 198 around its circumference, corresponding to the wire feeding groove 71 on the wire splitting disc 7. One end of the positioning transmission rod 193 is provided with a positioning transmission wheel 196 that contacts the outer side of the intermittent cam 197. The other end of the positioning transmission rod 193 is provided with a positioning wheel 192 that can be embedded in the radial positioning groove 198. The end of the rotary lever 195 is equipped with a rotary transmission wheel 194 that can be embedded in the radial positioning groove 198. The positioning wheel 192 and the rotary transmission wheel 194 cannot be embedded in adjacent radial positioning grooves 198 simultaneously.

[0034] The power spindle 10 drives the intermittent cam 197 and the rotary lever 195 to rotate counterclockwise, and a power sprocket 20 is installed at the rear end of the power spindle 10.

[0035] When the rotating drive wheel 194 leaves the radial positioning groove 198 of the intermittent drive wheel 26 under the drive of the rotating lever 195, the contact point between the intermittent cam 197 and the positioning drive wheel 196 simultaneously turns from the low point to the high point. The positioning drive rod 193 reverses the direction, causing the positioning wheel 192 to engage with the intermittent drive wheel 26, so that the intermittent drive wheel 26 maintains its current position (the time period during which the intermittent drive wheel stops rotating is also the time for automatic wire feeding and wire cutting, and the three work together).

[0036] When the rotary transmission wheel 194 rotates counterclockwise under the drive of the rotary lever 195 and enters the next radial positioning groove 198 of the intermittent transmission wheel, and the contact point between the intermittent cam 197 and the positioning transmission wheel 196 simultaneously changes from a high point to a low point, the positioning wheel 192 is moved away from the intermittent transmission wheel 26 by the reversal of the positioning transmission rod 193, and the intermittent transmission wheel 26 rotates one-sixth of a turn under the push of the rotary transmission wheel 194.

[0037] In this embodiment, as Figure 2 As shown, the adjustable wire length transmission mechanism includes a transmission shaft 30 installed inside the mounting box 1. One end of the transmission shaft 30 is connected to the power main shaft 10 via a bevel gear assembly 18, and the other end is equipped with an eccentric adjustment seat 33. An eccentric adjustment screw 32 perpendicular to the transmission shaft 30 is installed inside the eccentric adjustment seat 33. The eccentric adjustment screw 32 is connected to one end of an eccentric shaft 31. The eccentric shaft 31 is connected to one end of a telescopic transmission link 29. The other end of the transmission link 29 is eccentrically connected to the central shaft of the wire feeding wheel 27. An overrunning clutch 28 is connected between the central shaft of the wire feeding wheel 27 and the other end of the transmission link 29.

[0038] Specifically, the power spindle 10 drives the transmission shaft 30 through the bevel gear assembly 18, and the transmission shaft 30 drives the eccentric adjustment seat 33 to rotate. By rotating the eccentric adjustment screw 32, the eccentric shaft 31 can be moved. The movement of the eccentric shaft 31 can extend and retract the transmission link 29, thereby adjusting the circumference distance of the wire feeding wheel 27. The eccentric adjustment seat 33 drives the overrunning clutch 28 through the transmission link 29 to push the wire feeding wheel 27 to rotate in one direction. The circumference distance is the wire feeding length.

[0039] Specifically, the eccentric distance of the eccentric shaft 31 can be changed by adjusting the eccentric screw 32. The eccentric distance determines the angle of each unidirectional movement of the overrunning clutch, which is transmitted to the wire feeding wheel to change the wire feeding length.

[0040] In this embodiment, as Figure 5 As shown, the wire pressing mechanism includes an upper wire feeding pulley 35 located above the wire feeding wheel 27, a lower wire feeding pulley 38 located on one side of the lower end of the wire feeding wheel 27, and a tensioning wheel 36 located above the lower wire feeding pulley 38. A wire feeding belt 37 is wound around the upper wire feeding pulley 35, the lower wire feeding pulley 38, and the tensioning wheel 36. The wire feeding belt 37 presses the steel wire radially outward from the wire feeding wheel 27. At the same time, a tensioning cylinder 34 is horizontally connected and installed on the side of the tensioning wheel 36 near the upper wire feeding pulley 35. The wire feeding belt 37 is in close contact with the surface of the wire feeding wheel 27 through the upper wire feeding pulley 35, the lower wire feeding pulley 38, and the tensioning wheel 36. The metal wire is pressed tightly between the wire feeding wheel 27 and the wire feeding belt 37, and the tension force between the wire feeding wheel 27 and the wire feeding belt 37 drives the metal wire forward.

[0041] In this embodiment, to adjust the blade height, a rotating shaft 23 is connected to the second end of the slicing transmission rod 2. A blade height adjusting rod 4 is vertically inserted through the rotating shaft 23. An upper pad 22 and a lower pad 24 are respectively installed on the outer side of the blade height adjusting rod 4 at the upper and lower ends of the rotating shaft 23. The upper end of the upper pad 22 is locked and limited by an upper locking nut 21, and the lower end of the lower pad 24 is locked and limited by a lower locking nut 25. The lower end of the blade height adjusting rod 4 is connected to the blade 5.

[0042] Preferably, the upper end of the slicing drive rod 2 near the power spindle 10 is connected to the mounting box 1 via a return spring 9. A slicing drive wheel 11 is installed at the first end of the slicing drive rod 2. The slicing drive wheel 11 is always in contact with the cam 12. The power spindle 10 drives the cam 12 to rotate. When the contact point between the cam 12 and the slicing drive wheel 11 changes from a low point to a high point, the slicing drive wheel 11 pushes the slicing drive rod 2 to rotate clockwise, causing the cutter 5 to descend and cut the metal wire. At the same time, the return spring 9 is stretched to accumulate return power. When the contact point between the cam 12 and the slicing drive wheel 11 changes from a high point to a low point, the slicing drive rod 2 rotates counterclockwise to return to its original position under the power of the return spring.

[0043] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0044] Furthermore, in this invention, descriptions involving "first," "second," etc., are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly and specifically defined.

[0045] In this invention, unless otherwise explicitly specified and limited, the terms "connection," "fixed," etc., should be interpreted broadly. For example, "fixed" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0046] Furthermore, the technical solutions of the various embodiments of the present invention can be combined with each other, but only if they are feasible for those skilled in the art. If the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by the present invention.

Claims

1. An automatic wire feeding and cutting device with a single steel strip brush, characterized in that, include: Mounting box (1), the front side of the mounting box (1) is equipped with a wire splitting disc (7), the edge of the wire splitting disc (7) is provided with a number of wire feeding grooves (71) along the circumferential direction, the middle part of the wire splitting disc (7) is provided with an intermittent rotary transmission shaft (6) that passes through the front side wall of the mounting box (1), and the intermittent rotary transmission shaft (6) is connected to the intermittent transmission wheel (26) inside the mounting box (1); The power spindle (10) is set inside the mounting box (1) along the axial direction of the wire splitting disc (7). The power spindle (10) is provided with an intermittent transmission mechanism (19) that works in conjunction with the intermittent transmission wheel (26) to drive the wire splitting disc (7) to rotate intermittently. The wire feeding wheel (27) is located on the outside of the mounting box (1) away from the power spindle (10). The wire feeding wheel (27) is connected to the power spindle (10) through an adjustable wire length transmission mechanism to rotate intermittently. The upper outer edge of the wire feeding wheel (27) is provided with a wire pressing mechanism, which presses the steel wire on the radial outside of the wire feeding wheel (27) and feeds it towards the wire separating disc (7) as the wire feeding wheel (27) rotates. The slicing mechanism is located on the front side of the mounting box (1) and includes a rotatable slicing transmission rod (2) located above the slicing disc (7). The first end of the slicing transmission rod (2) is driven to rotate by a cam (12) mounted on the power spindle (10). The second end of the slicing transmission rod (2) is provided with a cutter (5). The cutter (5) rises and falls with the rotation of the slicing transmission rod (2). The lower end of the cutter (5) is provided with a cutter holder (16). The lower end of the cutter holder (16) is provided with a wire feeding guide port (17) corresponding to the upper side of the wire feeding wheel (27). The wire feeding guide port (17) corresponds to the wire feeding groove (71) on the slicing disc (7). A slicing baffle (8) extending from the wire feeding guide port (17) to the lower end of the slicing disc (7) is provided on one side of the slicing disc (7). A steel belt conveyor (15) is set on the underside of the wire splitter (7).

2. The automatic wire feeding and cutting device with a single steel strip brush according to claim 1, characterized in that: The intermittent transmission mechanism (19) includes an intermittent cam (197) mounted on the power spindle (10), a rotating lever (195), and a positioning transmission rod (193) located above the intermittent cam (197). The middle part of the positioning transmission rod (193) is connected to the mounting box (1) via a transmission rod shaft (191). The intermittent transmission wheel (26) is provided with a radial positioning groove (198) around its circumference, corresponding to the wire feeding groove (71) on the wire splitting disc (7). The positioning transmission rod ( One end of the positioning transmission rod (193) is provided with a positioning transmission wheel (196) that contacts the outside of the intermittent cam (197). The other end of the positioning transmission rod (193) is provided with a positioning wheel (192) that can be embedded in the radial positioning groove (198). The end of the rotating lever (195) is equipped with a rotating transmission wheel (194) that can be embedded in the radial positioning groove (198). The positioning wheel (192) and the rotating transmission wheel (194) cannot be embedded in adjacent radial positioning grooves (198) at the same time.

3. The automatic wire feeding and cutting device with a single steel strip brush according to claim 1, characterized in that: The adjustable wire length transmission mechanism includes a transmission shaft (30) installed inside the mounting box (1). One end of the transmission shaft (30) is connected to the power main shaft (10) via a bevel gear assembly (18), and the other end is equipped with an eccentric adjustment seat (33). An eccentric adjustment screw (32) perpendicular to the transmission shaft (30) is installed inside the eccentric adjustment seat (33). The eccentric adjustment screw (32) is connected to one end of an eccentric shaft (31). The eccentric shaft (31) is connected to one end of a telescopic transmission link (29), and the other end of the transmission link (29) is eccentrically connected to the central axis of the wire feeding wheel (27).

4. The automatic wire feeding and cutting device with a single steel strip brush according to claim 3, characterized in that: An overrunning clutch (28) is connected between the central shaft of the wire feeding wheel (27) and the other end of the transmission connecting rod (29).

5. The automatic wire feeding and cutting device with a single steel strip brush according to claim 1, characterized in that: The wire pressing mechanism includes an upper wire feeding pulley (35) located on the upper side of the wire feeding wheel (27), a lower wire feeding pulley (38) located on the lower side of the wire feeding wheel (27), and a tensioning wheel (36) located on the upper side of the lower wire feeding pulley (38). A wire feeding belt (37) is wound around the upper wire feeding pulley (35), the lower wire feeding pulley (38), and the tensioning wheel (36). The wire feeding belt (37) presses the steel wire on the radial outer side of the wire feeding wheel (27).

6. The automatic wire feeding and cutting device with a single steel strip brush according to claim 5, characterized in that: The tensioning wheel (36) is horizontally connected to the tensioning cylinder (34) on the side near the upper wire feeding pulley (35).

7. The automatic wire feeding and cutting device with a single steel strip brush according to claim 1, characterized in that: The second end of the slicing transmission rod (2) is connected to a rotating shaft (23). A cutter height adjustment rod (4) is vertically installed inside the rotating shaft (23). An upper pad (22) and a lower pad (24) are respectively installed on the upper and lower ends of the rotating shaft (23) on the outside of the cutter height adjustment rod (4). The upper end of the upper pad (22) is locked and limited by an upper locking nut (21). The lower end of the lower pad (24) is locked and limited by a lower locking nut (25). The lower end of the cutter height adjustment rod (4) is connected to the cutter (5).

8. The automatic wire feeding and cutting device with a single steel strip brush according to claim 1, characterized in that: The upper end of the shredding drive rod (2) near the power spindle (10) is connected to the mounting box (1) via a return spring (9). The first end of the shredding drive rod (2) is equipped with a shredding drive wheel (11), which is always in contact with the cam (12).

9. The automatic wire feeding and cutting device with a single steel strip brush according to claim 1, characterized in that: The lower end of the splitting disc (7) away from the splitting baffle (8) is equipped with an obliquely arranged bristle shedding baffle (14).

10. The automatic wire feeding and cutting device with a single steel strip brush according to claim 1, characterized in that: The rear end of the power spindle (10) is equipped with a power sprocket (20).

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