CN117381050A - Handheld cutting device for hardware accessories based on waste chip diversion and its use method - Google Patents

Abstract

The present invention relates to the technical field of hardware accessories cutting devices, and specifically to a handheld cutting device for hardware accessories based on waste chip diversion, which includes a cutting group, a protection group and a collection group. The cutting group consists of a machine head and a cutting disc. The machine head drives the cutting disc to rotate at high speed, and the generated waste is diverted and collected through the protection group and collection group. The protection group includes a casing and an arc-shaped groove, and the machine head connecting plate is matched and fixed with the arc-shaped groove. The collection group includes a collection bin and an arc end, which is connected to the protection group and to the surface of the machine head. The cleaning group is connected inside the protection group and can drive waste to be cleaned from the protection group to the collection group. In addition, the device is also equipped with a plug-in connection structure to ensure the stability of the connection of each component. Through this device, waste chips can be effectively controlled and cleaned during the cutting process, realizing automatic collection and improving work efficiency and product quality.

Description

Handheld cutting device for hardware accessories based on waste chip diversion and its use method

Technical field

The present invention relates to the technical field of hardware accessories cutting devices, and specifically to a handheld cutting device for hardware accessories based on waste chip diversion and a method of using the same.

Background technique

Hardware accessories are an important type of components widely used in industrial manufacturing, including screws, nuts, washers, fasteners, bearings, etc. During the production process, these hardware accessories sometimes need to be cut, trimmed or processed to meet specific needs.

The existing handheld cutting devices for hardware accessories have the following shortcomings:

Due to the small size of waste chips, it is difficult to detect and clean them with the human eye in time after cutting. Especially in closed workplaces, waste chips can easily spread to all corners of the work area and are difficult to clean; small-volume waste chips have little resistance to fluids (such as air), and once generated, they are easily spread with the fluid. For example, when cutting in a working environment such as a laboratory or workshop, waste chips will quickly spread with air flow and contaminate the entire work area; it is also inconvenient to use conventional tools such as brushes to clean small-volume waste chips. Brushes cannot clean away the small debris stuck in various hard-to-reach areas well, and may directly migrate them instead of removing them; when performing micro-hardware processing by hand, you need to have good vision. However, small waste particles can easily enter the eyes, mouth and nose of workers, affecting work quality and health.

In view of this, there is an urgent need for a waste chip diversion handheld cutting device for hardware accessories and a method of using the same to solve the deficiencies of the existing technology.

Contents of the invention

The object of the present invention is to provide a handheld cutting device for hardware accessories based on waste chip diversion and a method of using the same, so as to solve the problems raised in the above background technology.

In order to achieve the above objects, one of the objects of the present invention is to provide a handheld cutting device for hardware accessories based on waste chip diversion, including a cutting group. The cutting group includes a machine head and a cutting disc that rotates at high speed driven by the machine head. The characteristic is: the machine head is connected with a protection group and a collection group, and the protection group and the collection group are used together to wrap and protect the cutting disc, ensuring that during the cutting process of the cutting disc, the waste generated can be directed to the collection unit. Collect inside the group. When the protection group and the collection group cooperate with each other, they can not only wrap the cutting disc, but also stabilize the connection with the machine head. When the cutting disc rotates at high speed, it can also cooperate with the protection group to prevent the cutting disc from falling to the machine head. Waste chips inside the protection group are directed to the collection group;

The protection group at least includes a casing, an arc-shaped groove is provided on one side of the casing close to the machine head, a connecting plate is provided at one end of the machine head, and the arc-shaped surface of the arc-shaped groove is adapted to the machine head. match;

The collection group at least includes a collection bin. One end of the collection bin close to the machine head is provided with an arc end, and the arc end is adapted to the surface of the connecting plate; when the collection bin is connected to the surface of the machine head, it is also connected to the surface of the machine head. casing for connection;

The protection group includes a cleaning group. The cleaning group can cooperate with the cutting disc. When the cutting disc rotates at high speed, the cleaning group can be driven to clean the waste chips that enter the protection group into the collection group. The cleaning group can also Secure the connection between the protection group and the machine head again.

As a further improvement of this technical solution, the arcuate surface of the arcuate groove is provided with several inserting rods. The machine head is rotatably connected to the cutting disc through a connecting plate. A number is provided on the side of the connecting plate close to the arcuate groove. Jack, the No. 1 jack is plug-fitted with the insertion rod.

As a further improvement of this technical solution, a chute is provided at the bottom of one end of the collection bin close to the machine head, and a slide rail is provided on the upper surface of one end of the arc-shaped groove. The slide rail is slidingly connected to the chute. A No. 2 plug is provided on the end surface, and a No. 2 jack is provided on the side of the connecting plate close to the collection group. The No. 2 plug is plug-fitted with the No. 2 jack.

As a further improvement of this technical solution, the side of the collection bin away from the No. 2 plug is in contact with the surface of the casing. The collection bin is provided with a groove at one end close to the casing. The inside of the groove is in contact with the collection bin. The end far away from the No. 2 plug is provided with a No. 3 jack, and the both sides of the end of the casing close to the collection bin and the surface where the casing and the No. 2 plug are joined are provided with a No. 1 plug. The No. 1 plug corresponds to Connect to the No. 3 jack in the position.

As a further improvement of this technical solution, a slope is provided inside the casing. When the casing and the collection bin are connected, one end of the slope is connected to the inside of the collection bin.

As a further improvement of this technical solution, a driving cavity is provided on the side of the casing away from the machine head, the cleaning group is connected inside the driving cavity, and a connecting hole is provided on the side of the driving cavity close to the cutting disc. The set includes a moving shaft, which is slidingly connected to the connecting hole, and one end of the moving shaft extends to the inside of the casing. One end of the moving shaft is provided with a fixed gear, and the center of the cutting disc is provided with a connecting shaft, so There is a tooth slot inside the connecting shaft that matches the fixed gear. When the moving shaft slides, it can drive the fixed gear to be inserted into the tooth slot.

As a further improvement of this technical solution, the cleaning group also includes a No. 1 cleaning part and a No. 2 cleaning part; the No. 1 cleaning part is located inside the casing near one end of the slope, and the No. 2 cleaning part is located inside the casing close to the bevel. One end of the collection bin; the No. 2 cleaning part is located at one end of the drive cavity and is provided with a large gear. The No. 2 cleaning member is located at one end of the drive cavity and is provided with a small gear. Both the large gear and the small gear rotate inside the drive cavity. , the drive cavity is located between the large gear and the pinion gear and is rotatably connected with an intermediate gear. Both ends of the intermediate gear mesh with the large gear and the pinion gear; the moving shaft is located inside the drive cavity and is provided with a drive gear. When the fixed gear When sliding into the tooth slot of the connecting shaft, the driving gear can be driven to mesh with the large gear.

As a further improvement of this technical solution, an extension block is provided at one end of the driving cavity away from the connection hole. The center of the circle of the extension block and the center of the circle of the connection hole are on the same axis. One end of the moving shaft is aligned with the axis center of the extension block. connection, the extension block is mainly used to accommodate the drive gear, which is located inside the extension block before the drive gear slides. When sliding, the drive gear enters the drive cavity from the extension block and meshes with the large gear.

As a further improvement of this technical solution, one end of the extension block is rotatably connected to a rotating block, and a hexagonal groove is provided inside the rotating block. One end of the driving gear is connected to a stabilizing head. When the moving axis slides toward the cutting disc, , the stabilizing head can slide into the hexagonal groove of the rotating block.

The second object of the present invention is to provide a method for operating a handheld cutting device for hardware accessories based on waste diversion according to any one of the above, including the following method steps:

S1. First hold the handle and pick up the cutting group, then pick up the protection group, insert the insertion rod into the No. 1 jack, so that the arc groove fits the surface of the connecting plate, and at this time the cutting plate is inside the casing. , complete the connection between the casing and the machine head;

S2. Pick up the collection group, connect the chute and the slide rail, and push the collection bin close to the casing. Insert the No. 2 plug into the No. 2 jack and the No. 1 plug into the No. 3 jack to complete the collection. The connection between the warehouse, the casing and the machine head;

S3. Push the stabilizing head closer to the cutting disc. When the stabilizing head enters the inside of the rotating block, the driving gear moves to the driving cavity to mesh with the large gear, and the fixed gear is inserted into the tooth groove of the connecting shaft;

S4. Start the machine head to drive the cutting disc to rotate at high speed, and then take out the hardware accessories for cutting. During the cutting process, the waste chips fall into the casing. The waste chips are guided by the rotation of the No. 2 cleaning part and the No. 1 cleaning part. Flow to collection bin for collection.

Compared with the existing technology, the beneficial effects of the present invention are:

1. In the handheld cutting device of hardware accessories based on waste chip diversion and its use method, the cutting disc can be wrapped by the set protection group and collection group to guide the waste chips generated by cutting to the inside of the collection group. ; The plug-in connection structure is adopted between each component, the connection is simple and reliable, and each other is fixed and stable during the connection process, which solves the problem of loose component connection.

2. In the handheld cutting device for hardware accessories based on waste chip diversion and its use method, the cleaning group is set to rotate the cleaning parts driven by the cutting disk. When the two cleaning parts rotate, a guide can be formed inside the casing. The flow structure uses the flow guide structure to guide the waste chips from the protection group to the collection group, realizing automatic collection of waste chips. At the same time, the cleaning group can further stabilize the connection stability between the protection group and the machine head.

Description of the drawings

Figure 1 is a schematic diagram of the overall structure of the present invention;

Figure 2 is a schematic structural diagram of the cutting group of the present invention;

Figure 3 is a schematic diagram of the connection structure of the protection group, collection group and machine head of the present invention;

Figure 4 is a schematic structural diagram of the protection group of the present invention;

Figure 5 is a schematic structural diagram of the casing of the present invention;

Figure 6 is a schematic structural diagram of the collection group of the present invention;

Figure 7 is a schematic structural diagram of the connecting shaft of the present invention;

Figure 8 is a schematic structural diagram of the cleaning group of the present invention;

Figure 9 is a schematic structural diagram of position A in Figure 5 of the present invention.

The meaning of each symbol in the figure is:

10. Cutting group; 11. Machine head; 12. Cutting disc; 121. Connecting shaft; 13. Body; 131. Grip; 14. Connecting plate; 141. Jack No. 1; 142. Jack No. 2;

20. Protection group; 21. Chassis; 210. Incline; 211. Arc groove; 212. Plug rod; 213. Slide rail; 214. No. 1 plug; 22. Drive cavity; 221. Connection hole; 222. Extension block ;223, rotating block;

23. Cleaning group; 231. Transfer gear; 24. Moving shaft; 241. Fixed gear; 242. Driving gear; 243. Stabilizing head; 25. No. 1 cleaning part; 251. Large gear; 26. No. 2 cleaning part; 261 ,gear;

30. Collection group; 31. Collection bin; 32. Chute; 33. No. 2 plug; 34. Groove; 35. No. 3 jack.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

Example 1

Please refer to Figures 1 to 3. One of the purposes of this embodiment is to provide a handheld cutting device for hardware accessories based on waste chip diversion, including a cutting group 10. The cutting group 10 includes a machine head 11 and is driven by the machine head 11. The cutting disc 12 rotates at high speed, and the hardware accessories can be cut by the high-speed rotation of the cutting disc 12. The machine head 11 is connected with a protection group 20 and a collection group 30. The protection group 20 and the collection group 30 cooperate to cut the cutting disc 12. The wrapping protection ensures that during the cutting process of the cutting disc 12, the waste chips generated can be directed to the inside of the collection group 30 for collection. When the protection group 20 and the collection group 30 cooperate with each other, they can not only wrap the cutting disc 12, but also interact with each other. Stabilize the connection with the machine head 11 to prevent the protection group 20 and the collection group 30 from easily disconnecting from the machine head 11. In addition, when the cutting disc 12 rotates at high speed, it can also cooperate with the protection group 20 to fall into the protection group 20. The waste chips are directed to the collection group 30.

Please refer to Figures 4-6. Considering that the protection group 20, the collection group 30 and the machine head 11 need to be connected, in this embodiment, the protection group 20 needs to be connected to the machine head 11 first. The protection group 20 at least includes The casing 21 has an arc-shaped groove 211 on one side close to the machine head 11, and a connecting plate 14 is provided on one end of the machine head 11. The arc surface of the arc-shaped groove 211 matches the surface of the connecting plate 14; The arcuate surface of the shaped groove 211 is provided with several inserting rods 212. The machine head 11 is rotationally connected to the cutting disc 12 through the connecting plate 14. The connecting plate 14 has a No. 1 jack 141 on one side close to the arc-shaped groove 211. The No. 1 jack 141 is plug-fitted with the insertion rod 212, and through the connection between the arc-shaped groove 211 and the connecting plate 14, the casing 21 and the machine head 11 can be connected, thereby achieving the purpose of wrapping the cutting disc 12.

Next, the collection group 30 is connected to the machine head 11. The collection group 30 at least includes a collection bin 31. One end of the collection bin 31 close to the machine head 11 is provided with an arc end, and the arc end matches the surface of the connecting plate 14. The collection bin 31 When 31 is connected to the surface of the machine head 11, it is also connected to the casing 21; a chute 32 is provided at the bottom of one end of the collection bin 31 close to the machine head 11, and a slide rail 213 is provided on the upper surface of one end of the arc-shaped groove 211. The slide rail 213 is connected to the machine head 11. The chute 32 is slidingly connected, and the arc-shaped end surface is provided with a No. 2 plug 33. A No. 2 jack 142 is provided on the side of the connecting plate 14 close to the collection group 30. The No. 2 plug 33 and the No. 2 jack 142 are plug-fitted and connected through the arc. The connection between the shaped end and the connecting plate 14 can connect the collection bin 31 and the machine head 11 to realize the connection between the collection group 30 and the machine head 11 . In addition, the side of the collection bin 31 away from the No. 2 plug 33 is in contact with the surface of the casing 21 . A groove 34 is provided at the end of the collection bin 31 close to the casing 21 . The inside of the groove 34 and the collection bin 31 are away from the No. 2 plug. 33 is provided with a No. 3 jack 35 at one end, and a No. 1 plug 214 is provided on both sides of the end of the casing 21 close to the collection bin 31 and on the surface where the casing 21 and the No. 2 plug 33 fit. The No. 1 plug 214 corresponds to The No. 3 jack 35 at the position is plugged and matched. This purpose is to connect the casing 21 and the collection bin 31 to further stabilize the connection between the machine head 11, the protection group 20 and the collection group 30, so that the cutting disc 12 During the cutting process, the protection group 20 and the collection group 30 can be prevented from being easily disconnected.

Furthermore, a slope 210 is provided inside the casing 21. When the casing 21 and the collection bin 31 are connected, one end of the slope 210 is connected to the inside of the collection bin 31. Therefore, when waste is generated, the waste can slide off the slope 210 and enter. The inside of the collection bin 31 is collected.

Please refer to FIGS. 7 to 9 . In order to realize that when the cutting disc 12 rotates at high speed, it can cooperate with the protection group 20 to guide the waste chips falling into the protection group 20 to the collection group 30 . Therefore, in this embodiment, The protection group 20 includes a cleaning group 23. The cleaning group 23 can cooperate with the cutting disc 12. When the cutting disc 12 rotates at a high speed, the cleaning group 23 can be driven to clean the waste chips that enter the protection group 20 into the collection group 30. At the same time, The cleaning group 23 can also stabilize the connection between the protection group 20 and the machine head 11 again; specifically:

A driving cavity 22 is provided on the side of the casing 21 away from the machine head 11. The cleaning group 23 is connected inside the driving cavity 22. A connecting hole 221 is provided on the side of the driving cavity 22 close to the cutting disc 12. The cleaning group 23 includes a moving shaft 24, which moves The shaft 24 is slidingly connected to the connecting hole 221, and one end of the moving shaft 24 extends to the inside of the casing 21. One end of the moving shaft 24 is provided with a fixed gear 241. The center of the cutting disc 12 is provided with a connecting shaft 121, and the connecting shaft 121 is provided inside. There is a tooth slot that matches the fixed gear 241. When the moving shaft 24 slides, it can drive the fixed gear 241 to be inserted into the tooth slot. Through the connection between the fixed gear 241 and the connecting shaft 121, the protection group 20 and the machine head can be further stabilized. 11 connections.

The cleaning group 23 also includes a No. 1 cleaning part 25 and a No. 2 cleaning part 26. The No. 1 cleaning part 25 and the No. 2 cleaning part 26 are composed of a rotating rod and a plurality of brush heads. The plurality of brush heads take the center of the rotating rod as an axis. Arranged in an annular array; the No. 1 cleaning part 25 is located at one end of the casing 21 close to the slope 210, and the No. 2 cleaning part 26 is located at an end of the casing 21 close to the collection bin 31. When the No. 1 cleaning part 25 and the No. 2 cleaning part 26 When turning clockwise, the waste debris remaining on the surface of the inclined surface 210 can be guided to the collection bin 31 . In order to drive the No. 1 cleaning part 25 and the No. 2 cleaning part 26 to rotate, the No. 2 cleaning part 26 is provided with a large gear 251 at one end of the drive chamber 22, and the No. 2 cleaning part 26 is provided with a small gear 261 at one end of the drive chamber 22. , both the large gear 251 and the small gear 261 rotate inside the drive cavity 22. The drive cavity 22 is located between the large gear 251 and the small gear 261 and is rotatably connected to an intermediate gear 231. Both ends of the intermediate gear 231 are connected to the large gear 251 and the small gear 261. meshing, so that the large gear 251 and the small gear 261 can rotate in the same direction; further, the moving shaft 24 is provided with a driving gear 242 inside the driving cavity 22. When the fixed gear 241 slides to the inside of the tooth slot of the connecting shaft 121, it can drive The driving gear 242 meshes with the large gear 251, so when the cutting disc 12 rotates, the driving gear 242 can be driven to rotate, thereby driving the No. 1 cleaning part 25 and the No. 2 cleaning part 26 to rotate.

Further, an extension block 222 is provided at one end of the driving cavity 22 away from the connection hole 221. The center of the extension block 222 is on the same axis as the center of the connection hole 221. One end of the moving shaft 24 is connected to the axis center of the extension block 222. The extension block 222 is mainly used to accommodate the driving gear 242, which is located inside the extension block 222 before the driving gear 242 slides. When sliding, the driving gear 242 enters the driving cavity 22 from the extension block 222 and meshes with the large gear 251.

In addition, in order to stabilize the connection between the fixed gear 241 and the machine head 11, one end of the extension block 222 is rotatably connected to a rotating block 223. A hexagonal groove is provided inside the rotating block 223. One end of the driving gear 242 is connected to a stabilizing head 243. When the moving axis 24 slides toward the cutting disc 12, the stabilizing head 243 can slide into the hexagonal groove of the rotating block 223. When the stabilizing head 243 is connected to the rotating block 223, the connection between the fixed gear 241 and the machine head 11 can be stabilized, thereby further stabilizing the protection. Connection of group 20 and machine head 11.

In addition, the cutting group 10 also includes a fuselage 13. The machine head 11 is installed at one end of the fuselage 13. The top of the fuselage 13 is provided with a handle 131, the main purpose of which is to facilitate the handling of the cutting group 10.

Example 2

Based on Embodiment 1, this embodiment provides a method of using a handheld cutting device for hardware accessories based on waste chip diversion. The specific steps are as follows:

S1. First hold the handle 131 to pick up the cutting group 10, then pick up the protection group 20, insert the insertion rod 212 into the No. 1 socket 141, so that the arc groove 211 is in contact with the surface of the connecting plate 14, and this The timing disc 12 is located inside the casing 21, completing the connection between the casing 21 and the machine head 11;

S2. Pick up the collection group 30, connect the chute 32 to the slide rail 213, push the collection bin 31 close to the casing 21, insert the No. 2 plug 33 into the No. 2 jack 142, and insert the No. 1 plug 214 into the In the No. 3 jack 35, the connection between the collection bin 31, the casing 21 and the machine head 11 is completed;

S3. Push the stabilizing head 243 closer to the cutting disc 12. When the stabilizing head 243 enters the inside of the rotating block 223, the driving gear 242 moves to the driving cavity 22 to mesh with the large gear 251, and the fixed gear 241 is inserted into the tooth slot of the connecting shaft 121. middle;

S4. Start the machine head 11 to drive the cutting disc 12 to rotate at high speed, and then take out the hardware accessories for cutting. During the cutting process, the waste chips fall into the casing 21 and pass through the No. 2 cleaning part 26 and the No. 1 cleaning part 25. Rotate to guide the waste chips to the collection bin 31 for collection.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not used to limit the present invention. Under the premise, there will be various changes and improvements in the present invention, and these changes and improvements all fall within the scope of the claimed invention. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. Cutting device is handed to hardware fitting based on sweeps water conservancy diversion, including cutting group (10), cutting group (10) include aircraft nose (11) and carry out high-speed pivoted cutting dish (12) through aircraft nose (11) drive, its characterized in that: the machine head (11) is connected with a protection group (20) and a collection group (30), the protection group (20) and the collection group (30) are matched to wrap and protect the cutting disc (12), so that generated scraps can be guided into the collection group (30) to be collected in the cutting process of the cutting disc (12), when the protection group (20) and the collection group (30) are matched with each other, the cutting disc (12) can be wrapped, the connection with the machine head (11) can be mutually stabilized, and when the cutting disc (12) rotates at a high speed, the scraps falling into the protection group (20) can be guided into the collection group (30) by being matched with the protection group (20);

the protection group (20) at least comprises a machine shell (21), one side of the machine shell (21) close to the machine head (11) is provided with an arc-shaped groove (211), one end of the machine head (11) is provided with a connecting disc (14), and the arc-shaped surface of the arc-shaped groove (211) is matched with the machine head (11);

the collecting group (30) at least comprises a collecting bin (31), one end of the collecting bin (31) close to the machine head (11) is provided with an arc-shaped end, and the arc-shaped end is matched with the surface of the connecting disc (14); when the collecting bin (31) is connected with the surface of the machine head (11), the collecting bin is also connected with the machine shell (21);

the protection group (20) comprises a cleaning group (23), the cleaning group (23) can be matched with the cutting disc (12), when the cutting disc (12) rotates at a high speed, the cleaning group (23) can be driven to clean scraps cut into the protection group (20) into the collection group (30), and the cleaning group (23) can be used for stabilizing the connection between the protection group (20) and the machine head (11) again.

2. The scrap guide-based hardware fitting handheld cutting device of claim 1, wherein: the arc-shaped surface of arc-shaped groove (211) is equipped with a plurality of inserted bar (212), aircraft nose (11) are connected with cutting dish (12) rotation through connection pad (14), no. one jack (141) has been seted up to the one side that connection pad (14) are close to arc-shaped groove (211), no. one jack (141) and inserted bar (212) grafting cooperation.

3. The scrap guide-based hardware fitting handheld cutting device of claim 1, wherein: the utility model discloses a collection storehouse, including collection storehouse (31), spout (32) have been seted up to the one end bottom that is close to aircraft nose (11), arc groove (211) one end upper surface is equipped with slide rail (213), slide rail (213) and spout (32) sliding connection, arc end surface is equipped with No. two plugs (33), no. two jack (142) have been seted up to the one side that connection pad (14) are close to collection group (30), no. two plugs (33) are pegged graft with No. two jack (142).

4. A scrap guide-based hardware fitting hand-held cutting device according to claim 3, wherein: one side of No. two plugs (33) is kept away from to collection storehouse (31) and the laminating of casing (21) one side surface, collection storehouse (31) is close to one end of casing (21) and has seted up recess (34), no. three jack (35) have all been seted up to the inside one end of No. two plugs (33) of keeping away from of recess (34) and collection storehouse (31), and the surface that one end both sides and casing (21) and No. two plugs (33) laminating department that are close to collection storehouse (31) of casing (21) all is equipped with plug (214), plug (214) are pegged graft with No. three jack (35) of corresponding position and are cooperated.

5. The scrap guide-based hardware fitting handheld cutting device of claim 1, wherein: an inclined plane (210) is formed in the machine shell (21), and when the machine shell (21) is connected with the collecting bin (31), one end of the inclined plane (210) is communicated with the inside of the collecting bin (31).

6. The scrap guide-based hardware fitting handheld cutting device of claim 1, wherein: the utility model discloses a machine head, including casing (21), head (11) and cutting dish, drive chamber (22) have been seted up to one side that casing (21) kept away from, clearance group (23) connect inside drive chamber (22), connecting hole (221) have been seted up to one side that drive chamber (22) are close to cutting dish (12), clearance group (23) are including removing axle (24), remove axle (24) and connecting hole (221) sliding connection, and remove the one end of axle (24) and extend to inside casing (21), the one end of removing axle (24) is equipped with fixed gear (241), the center department of cutting dish (12) is equipped with connecting axle (121), the tooth's socket with fixed gear (241) looks adaptation has been seted up to inside of connecting axle (121), it inserts in the tooth's socket to remove axle (24) and can drive fixed gear (241) when sliding.

7. The scrap guide-based hardware fitting handheld cutting device of claim 6, wherein: the cleaning group (23) further comprises a first cleaning piece (25) and a second cleaning piece (26); the first cleaning piece (25) is positioned at one end, close to the inclined surface (210), of the inner part of the shell (21), and the second cleaning piece (26) is positioned at one end, close to the collecting bin (31), of the inner part of the shell (21); the second cleaning piece (26) is arranged at one end of the driving cavity (22) and is provided with a large gear (251), the second cleaning piece (26) is arranged at one end of the driving cavity (22) and is provided with a small gear (261), the large gear (251) and the small gear (261) are both rotated inside the driving cavity (22), the driving cavity (22) is arranged between the large gear (251) and the small gear (261) and is rotationally connected with a transfer gear (231), and two ends of the transfer gear (231) are both meshed with the large gear (251) and the small gear (261); the movable shaft (24) is positioned in the driving cavity (22) and is provided with a driving gear (242), and when the fixed gear (241) slides into a tooth groove of the connecting shaft (121), the driving gear (242) can be driven to be meshed with the large gear (251).

8. The scrap guide-based hardware fitting handheld cutting device of claim 7, wherein: one end of the driving cavity (22) far away from the connecting hole (221) is provided with an extension block (222), the circle center of the extension block (222) and the circle center of the connecting hole (221) are on the same axis, one end of the moving shaft (24) is connected with the axis of the extension block (222), the extension block (222) is mainly used for accommodating a driving gear (242), the driving gear (242) is located inside the extension block (222) before sliding, and the driving gear (242) enters the driving cavity (22) from the extension block (222) to be meshed with a large gear (251) when sliding.

9. The scrap guide-based hardware fitting handheld cutting device of claim 8, wherein: one end of the extending block (222) is rotationally connected with the rotating block (223), a hexagonal groove is formed in the rotating block (223), one end of the driving gear (242) is connected with the stabilizing head (243), and when the moving shaft (24) slides towards the cutting disc (12), the stabilizing head (243) can slide into the hexagonal groove of the rotating block (223).

10. A method of use for operating a handheld cutting device comprising the scrap guide-based hardware of any one of claims 1-9, characterized by: the method comprises the following steps:

s1, firstly holding a handle (131) to pick up a cutting group (10), then picking up a protection group (20), inserting an inserting rod (212) into a first inserting hole (141) to enable an arc-shaped groove (211) to be attached to the surface of a connecting disc (14), and enabling a cutting disc (12) to be located in a machine shell (21) at the moment to finish connection between the machine shell (21) and a machine head (11);

s2, picking up the collection group (30), connecting the sliding groove (32) with the sliding rail (213), pushing the collection bin (31) to be close to the shell (21), inserting the second plug (33) into the second jack (142) in a homeotropical manner, inserting the first plug (214) into the third jack (35), and completing connection between the collection bin (31) and the shell (21) and connection between the collection bin (31) and the machine head (11);

s3, pushing the stabilizing head (243) to approach the tangential disc (12), when the stabilizing head (243) enters the rotary block (223), the driving gear (242) moves into the driving cavity (22) to be meshed with the large gear (251), and the fixed gear (241) is inserted into a tooth slot of the connecting shaft (121);

s4, starting a machine head (11) to work to drive a cutting disc (12) to rotate at a high speed, then taking hardware fittings to cut, enabling scraps to fall into a machine shell (21) in the cutting process, and guiding the scraps into a collection bin (31) to be collected through rotation of a second cleaning piece (26) and a first cleaning piece (25).