Hardware part cutting equipment capable of preventing parts from being scratched and cutting process

Abstract

The invention relates to the technical field of hardware part cutting, and discloses hardware part cutting equipment capable of preventing parts from being scratched and a cutting process. The hardware part cutting equipment comprises a support, a winding assembly, a cutting cover, a cutting part, a flexible dust blowing assembly, an air guide part and a scrap extraction part; a winding station and a cutting station are sequentially arranged on the support in the length direction of the support, and the winding assembly is installed at the winding station and comprises a protective film used for winding a pipe fitting. The cutting cover and the cutting piece are both installed at the cutting station, a notch is formed in the top of the cutting cover, and the cutting piece comprises a cutter head used for penetrating through the notch to cut the pipe fitting. The pipe fitting is continuously wrapped with a protective film and rolled and attached in the propelling process, ion wind dust and static electricity are removed, cooling and scrap drawing are conducted synchronously, directional airflow in the cutting cover absorbs scraps instantly to prevent reattachment, the telescopic flexible dust blowing assembly is matched with the pipe fittings of multiple lengths, self-shaking dust removal is also achieved, and the whole-process protection effect of one-time wrapping is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of hardware parts cutting, in particular to a hardware parts cutting device and a cutting process capable of preventing parts from being scratched. Background Art

[0002] Shaft tube parts are the most common and critical transmission and support components in the field of mechanical hardware. Their main function is to support transmission parts such as gears and pulleys and transmit torque and load. In order to meet the installation space, fitting length and dynamic balance requirements of different working conditions, the entire raw material (round tube or round bar) must first be cut into the required multiple blanks by cutting equipment such as high-speed circular saws before entering the finishing process such as turning, milling, heat treatment, and grinding. Through this cutting process, the raw material is transformed into blanks that can be further processed. Next, the blanks will enter the precision processing steps such as turning, milling, and grinding to finally form shaft tube parts that meet the design requirements. When cutting shaft tube parts, the parts are first placed on the workbench and fixed by the clamping mechanism, and then the cutting machine performs the cutting operation. When the cylinder pushes the remaining shaft tube forward for the next cutting, the metal scraps generated by the previous cutting are not removed in time and adhere to the surface of the part. As the shaft tube is pushed forward, these scraps are brought into the contact surface between the shaft tube and the clamping mechanism, causing the scraps to act as abrasive particles when the two move relative to each other, causing scratches on the surface of the shaft tube under the action of friction.

[0003] In order to solve the above problems, the present application proposes a hardware parts cutting device and a cutting process that can prevent parts from being scratched. Summary of the Invention

[0004] The present invention proposes a hardware parts cutting device and cutting process with the function of preventing parts from being scratched, which solves the problem in related technologies that waste chips are not removed after the shaft tube is cut, and waste chips enter the clamping contact surface when the cylinder is pushed, acting as abrasive particles to scratch the surface of the shaft tube.

[0005] The present invention provides a hardware parts cutting device capable of preventing parts from being scratched, comprising a support, a winding assembly, a cutting cover, a cutting piece, a flexible dust blowing assembly, an air guide piece, and a chip extraction piece. The support is provided with a winding station and a cutting station arranged in sequence along its length direction, and the winding assembly is installed at the winding station, and the winding assembly includes a protective film for winding the pipe; The cutting cover and the cutting piece are both installed at the cutting station. A cutout is provided on the top of the cutting cover. The cutting piece includes a cutter disc for cutting the pipe through the cutout. The flexible dust blowing assembly is connected between the winding assembly and the cutting cover, and is used for the pipe to pass through and blow dust and remove static electricity from it. The support is equipped with an electric guide rail that drives the winding assembly to move along its length and drives the flexible dust blowing assembly to extend and retract. The wind guide member is used for guiding the ion wind into the cutting cover and the flexible dust blowing component respectively, and the chip extractor is used for extracting the waste chips cut in the cutting cover.

[0006] As a further optimization scheme of the present invention, the winding assembly includes a loading block, which is installed on an electric guide rail, and a rolling channel is opened in the middle of the loading block, which passes through and is connected to the flexible dust blowing assembly. A plurality of guide wheels distributed around the rolling channel are rotatably installed on one side of the loading block, and a circular ring is rolled between the plurality of guide wheels. A first motor is installed on the other side of the loading block, and the output end of the first motor is connected to a driving wheel that contacts the circular ring and drives it to rotate. A screw rod is installed on the side of the circular ring, and a winding disk is sleeved on the screw rod. The protective film is wound on the winding disk. Two nuts are also threadedly sleeved on the screw rod. The winding disk is located between the two nuts, and there is a distance between the nut and the winding disk for the rotation of the winding disk. A cutting piece for cutting off the protective film is also installed on the side of the circular ring, and a rolling piece for rolling the pipe fitting is installed in the rolling channel.

[0007] As a further optimization scheme of the present invention, the rolling part includes a limiting rod, and the loading block is slidably connected with the limiting rods extending into the rolling channel on all four sides. The end of the limiting rod is installed with a U-shaped block located in the pressing channel. The limiting rod is sleeved with a first spring, and the two ends of the first spring are respectively connected to the inner walls of the U-shaped block and the loading block. A pressure roller for rolling the pipe fitting is rotatably installed on the U-shaped block.

[0008] As a further optimization scheme of the present invention, the cutting piece includes a cutting block, which is installed on the side of the ring and close to the winding disk. The cutting block is provided with a cutting opening for the protective film to pass through, and a cavity connected to the cutting opening is provided in the cutting block. A connecting rod is slidably connected to one side of the cutting block and extends into the cavity and is arranged toward the cutting opening. A cutting knife located in the cavity is installed at the end of the connecting rod. A second spring is provided on the connecting rod, and the two ends of the second spring are respectively connected to the cutting knife and the inner wall of one side of the cutting block.

[0009] As a further optimization scheme of the present invention, the flexible dust blowing assembly includes a flexible cover, a loading cover and an annular tube. The loading cover is installed on the side of the loading block close to the cutting cover and is connected to the rolling channel. The flexible cover is connected between the cutting cover and the loading cover. The annular tube is installed in the loading cover and is connected to the air guide. The side of the annular tube is connected to multiple circumferentially arranged dust blowing nozzles that are inclined toward the middle and blow air to the pipe.

[0010] As a further optimization scheme of the present invention, the cutting cover is provided with an opening at one end away from the flexible cover, which is connected to the cutting chamber and for the discharge of the pipe fittings. First cylinders are installed on both sides of the cutting cover, and the driving ends of the two first cylinders are connected to limit blocks located in the cutting chamber. V-shaped openings are provided on adjacent sides of the two limit blocks.

[0011] As a further optimization scheme of the present invention, the air guide member includes an ion blower, which is installed at the bottom of the support, and the air outlet end of the ion blower is connected to an air guide pipe, one end of the air guide pipe is connected to a diversion pipe installed on the support, and the two ends of the diversion pipe are respectively connected to a hose and an air supply pipe, the hose is connected to the annular pipe, one side of the cutting cover is connected to an air inlet shaft connected to the cutting chamber, and the air supply pipe is connected to the air inlet shaft.

[0012] As a further optimization scheme of the present invention, the chip extraction part includes a chip extraction pump, which is installed at the bottom of the support, and the chip extraction end of the chip extraction pump is connected to a chip feed pipe, one end of the chip feed pipe is connected to a docking pipe, one end of the docking pipe is connected to a first chip extraction pipe and a second chip extraction pipe, the other side of the cutting cover is connected to a first chip removal shaft connected to the cutting chamber, the bottom of the cutting cover is connected to a second chip removal shaft connected to the cutting chamber, the first chip extraction pipe is connected to the first chip removal shaft, the second chip extraction pipe is connected to the second chip removal shaft, and the discharge end of the chip extraction pump is connected to the chip removal pipe.

[0013] As a further optimization scheme of the present invention, the cutting piece also includes a bracket, a second cylinder and a strip block. The bracket is arranged on one side of the support and is located at the cutting station. The second cylinder is installed on the bracket. The strip block is connected to the second cylinder and is located above the incision. An assembly cavity is opened in the strip block. A driven wheel and a driving wheel are provided in the assembly cavity. A transmission belt is matched between the driven wheel and the driving wheel. A shaft rod is fixed in the middle of the driven wheel, and one end of the shaft rod rotates through the side of the strip block. The axis of the cutter disc is connected to one end of the shaft rod. A second motor is installed on the top of the strip block, and the output end of the second motor is connected to the axis center of the driving wheel.

[0014] A metal parts cutting process with the function of preventing parts from being scratched, using the above-mentioned metal parts cutting device with the function of preventing parts from being scratched, comprises the following steps: Step 1: Film application: insert the tube into the roller channel in the loading block, push it into the flexible dust blowing assembly and move it toward the cutting cover. During the movement of the tube, the ring drives the winding disk to rotate, so that the protective film on it is continuously wound around the tube, and the roller presses the protective film in the channel; Step 2: Dust and static electricity removal: When the pipe moves in the flexible dust blowing assembly, the air guide delivers ionized air into the flexible dust blowing assembly, which blows ionized air onto the protective film on the pipe to remove dust and static electricity from the protective film. Step 3: Cutting: After the pipe enters the cutting cover, it is fixed so that the cut section is placed under the incision. The cutting piece cuts the protective film. The knife disc on the cutting piece passes through the incision on the cutting cover to cut the pipe inside. The air guide piece transports ion air into the cutting cover, and the chip extractor extracts the cutting waste in the cutting cover. Step 4. After the pipe is cut into a section, the electric guide rail drives the winding assembly to move toward the cutting cover, pushing the pipe clamped by the roller forward, and the flexible dust blowing assembly is then retracted to form continuous processing of the pipe and complete the cutting of the pipe.

[0015] The above technical solution of the present invention has the following beneficial technical effects: 1. When cutting a pipe, the present invention first passes the pipe through the roller channel in the winding assembly, pushes it into the flexible dust blowing assembly, and moves it toward the cutting cover. During the movement of the pipe, the ring drives the winding disk to rotate, so that the protective film on it is continuously wound around the pipe. The roller rolls the protective film in the channel to make the protective film better fit the pipe. The above design effectively isolates metal scraps from contact with the pipe surface by continuously coating and rolling the protective film during the advancement of the pipe, eliminating scratch defects caused by scraps acting as abrasive particles from the root, and avoiding secondary damage caused by collisions between finished product segments during subsequent turnover or stacking, thereby achieving the effect of one-time coating and full-process protection. 2. When the pipe fitting of the present invention moves within the flexible dust-blowing assembly, ionized air can be transported into the flexible dust-blowing assembly through the air guide. The flexible dust-blowing assembly blows ionized air onto the protective film on the pipe fitting. On the one hand, this blows away dust and metal chips on the surface of the protective film. On the other hand, the ions neutralize the static charge generated by friction on the protective film, blocking the secondary adsorption of dust by static electricity and preventing secondary scratches caused by static adsorption of waste chips. 3. The present invention uses a first cylinder to drive a limit block to fix the pipe fitting, so that the section to be cut is aligned with the incision. The cutting piece first cuts off the protective film, and the cutter disc then enters the cutting cover through the incision to complete the cutting. During the cutting process, the air guide piece transports ion wind into the cutting cover to form a directional airflow. The chip extractor instantly extracts waste chips along the airflow path, forming an independent cutting space in the cutting cover. In this way, waste chips are extracted as soon as they are generated to prevent them from attaching to the pipe fitting again. The low-temperature ion wind cools the high-speed rotating cutter disc in real time to prevent the cutter disc from thermal deformation or chipping due to continuous high temperature, thereby eliminating quality problems such as pipe strain and burrs caused by cutter disc defects, and preventing waste chips from splashing and causing scratches in subsequent processes. 4. After the present invention has cut a section of the pipe, the electric guide rail drives the winding assembly to move toward the cutting cover, pushing the pipe clamped by the roller to move forward, and the flexible dust blowing assembly is then contracted to form continuous processing of the pipe. Due to the telescopic characteristics of the flexible dust blowing assembly, it can be suitable for dust removal and static electricity removal operations of pipes of different lengths. After the pipe is cut, the electric guide rail can be used to drive the winding assembly to move the flexible dust blowing assembly back and forth, which can shake the dust in the flexible dust blowing assembly and use inertia to automatically shake off the dust deposited in the flexible dust blowing assembly, thereby maintaining long-term cleanliness and reducing the frequency of maintenance shutdowns. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a hardware parts cutting device that can prevent parts from being scratched, as proposed by the present invention; Figure 2 This is a schematic diagram of the back structure of a hardware parts cutting device with the function of preventing parts from being scratched, as proposed by the present invention; Figure 3 Schematic diagram of the coordination structure of the cutting cover, the flexible dust blowing assembly and the winding assembly of the present invention; Figure 4 It is a structural schematic diagram of the winding assembly of the present invention.

[0017] Figure 5 This is a schematic diagram of the back structure of the loading block of the present invention.

[0018] Figure 6 It is a structural schematic diagram of the winding disk of the present invention.

[0019] Figure 7 It is a structural schematic diagram of the cutting piece of the present invention.

[0020] Figure 8 It is a structural schematic diagram of the flexible dust blowing assembly of the present invention.

[0021] Figure 9 Schematic diagram of the internal structure of the cutting cover of the present invention.

[0022] Figure 10 It is a structural schematic diagram of the air guide member of the present invention.

[0023] Figure 11 It is a structural schematic diagram of the chip extraction member of the present invention.

[0024] Figure 12 It is a structural schematic diagram of the cutting piece of the present invention.

[0025] Figure 13 Schematic diagram of the internal structure of the bar block of the present invention.

[0026] Figure 14 It is a structural schematic diagram of the pusher of the present invention.

[0027] Reference numerals: 1. support; 101. electric guide rail; 2. winding assembly; 21. loading block; 201. protective film; 202. guide wheel; 203. ring; 204. first motor; 205. driving wheel; 211. screw rod; 212. winding disk; 213. nut; 22. limiting rod; 221. U-shaped block; 222. first spring; 223. pressure roller; 23. cutting piece; 231. cutting block; 232. cutting opening; 233. connecting rod; 234. cutting knife; 235. second spring; 3. cutting cover; 301. air inlet shaft; 302. first chip removal shaft; 303. second chip removal shaft; 31. incision; 32. first cylinder; 33. limiting block; 4. cutting piece; 41. cutter disc; 42. Bracket; 43. Second cylinder; 44. Bar; 441. Driven wheel; 442. Driving wheel; 443. Transmission belt; 444. Second motor; 445. Shaft; 5. Flexible dust-blowing assembly; 51. Flexible cover; 52. Loading cover; 53. Annular tube; 54. Dust-blowing nozzle; 6. Air guide; 61. Ion blower; 62. Air guide duct; 63. Diverter tube; 631. Hose; 632. Air supply duct; 7. Chip extraction member; 71. Chip extraction pump; 72. Chip feed duct; 73. Docking tube; 731. First chip extraction duct; 732. Second chip extraction duct; 74. Chip discharge duct; 8. Pusher; 81. Loading frame; 811. Conveyor roller; 812. Third cylinder; 813. Pusher block; 82. Electric push rod. DETAILED DESCRIPTION

[0028] To make the objectives, technical solutions, and advantages of the present invention more clearly understood, the present invention will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are merely exemplary and are not intended to limit the scope of the present invention. In addition, in the following description, descriptions of well-known structures and technologies are omitted to avoid unnecessary confusion of the concepts of the present invention.

[0029] like Figures 1-14 As shown, the present invention proposes a hardware parts cutting device with the function of preventing parts from being scratched, comprising a support 1, a winding assembly 2, a cutting cover 3, a cutting piece 4, a flexible dust blowing assembly 5, an air guide 6 and a chip extraction piece 7; The support 1 is provided with a winding station and a cutting station arranged in sequence along its length direction. The winding assembly 2 is installed at the winding station. The winding assembly 2 includes a protective film 201 for winding the pipe. The cutting cover 3 and the cutting piece 4 are both installed at the cutting station. A cutout 31 is provided on the top of the cutting cover 3. The cutting piece 4 includes a cutter disc 41 for cutting the pipe through the cutout 31. The flexible dust blowing assembly 5 is connected between the winding assembly 2 and the cutting cover 3, and is used for the pipe to pass through and blow dust and remove static electricity. The support 1 is equipped with an electric guide rail 101 that drives the winding assembly 2 to move along its length and drives the flexible dust blowing assembly 5 to extend and retract; The air guide member 6 is used to guide the ion wind into the cutting cover 3 and the flexible dust blowing assembly 5 respectively, and the chip extractor 7 is used to extract the waste chips cut in the cutting cover 3.

[0030] The pipe is passed through the winding assembly 2 of the winding station. The winding assembly 2 wraps the pipe with a protective film 201 to form a protection. Then the pipe passes through the flexible dust blowing assembly 5 connected between the winding assembly 2 and the cutting cover 3. The ion wind can be delivered to the flexible dust blowing assembly 5 through the air guide 6 to blow dust and remove static electricity when the pipe passes through. When the pipe enters the cutting cover 3, it is fixed so that the pipe section to be cut is placed under the incision 31. Then the protective film 201 is cut off, and the knife disc 41 on the cutting piece 4 passes through the cutting cover 3. The incision 31 is used to cut the pipe inside. When cutting the pipe, the air guide 6 transports the ion wind into the cutting cover 3, and the chip extractor 7 extracts the cutting waste in the cutting cover 3. When the air guide 6 blows the ion wind into the cutting cover 3, a directional airflow is formed. The chip extractor 7 quickly extracts the waste along the airflow path under the action of negative pressure. After cutting a section of the pipe, the electric guide rail 101 drives the winding assembly 2 to move toward the cutting cover 3, pushing the pipe clamped by the roller forward, and the flexible dust blowing assembly 5 is then contracted to form continuous processing of the pipe.

[0031] like Figure 3 、 Figure 4 、 Figure 5 and Figure 6 As shown, in this embodiment, the winding assembly 2 includes a loading block 21, which is mounted on the electric guide rail 101. A rolling channel is opened in the middle of the loading block 21 and is connected to the flexible dust blowing assembly 5. A plurality of guide wheels 202 distributed around the rolling channel are rotatably mounted on one side of the loading block 21. A ring 203 is provided between the plurality of guide wheels 202 for rolling engagement. A first motor 204 is mounted on the other side of the loading block 21. The output end of the first motor 204 is connected to a driving device that contacts the ring 203 and drives it to rotate. Wheel 205, a screw rod 211 is installed on the side of the ring 203, and a winding disk 212 is sleeved on the screw rod 211. The protective film 201 is wound on the winding disk 212. Two nuts 213 are also threadedly sleeved on the screw rod 211. The winding disk 212 is located between the two nuts 213, and there is a distance between the nuts 213 and the winding disk 212 for rotating the winding disk 212. A cutting piece 23 for cutting off the protective film 201 is also installed on the side of the ring 203, and a rolling piece for rolling the pipe is installed in the rolling channel; When the pipe passes through the rolling channel, the outer periphery of the pipe can be rolled by the rolling piece, and the protective film 201 is pulled out from the winding disk 212 and one end is attached to the surface of the pipe. In this process, the first motor 204 drives the driving wheel 205 to drive the ring 203 to rotate, and the guide wheel 202 assists the ring 203 to rotate. The winding disk 212 on the ring 203 rotates on the screw rod 211, and the protective film 201 is continuously wound on the pipe in the moving process. When the protective film 201 on the pipe passes through the rolling channel, the protective film on its surface can be protected by the rolling piece. The film 201 is rolled to make it fit more tightly. After the pipe is pushed into the cutting cover 3 and fixed, the protective film 201 can be cut off by the cutting piece 23 to facilitate the subsequent cutting operation of the pipe. By continuously covering the protective film 201 and rolling it during the advancement of the pipe, the metal waste is effectively isolated from the contact with the surface of the pipe, and the scratch defects caused by the waste as abrasive particles are eliminated from the root. At the same time, the secondary damage problem caused by the collision of the finished product segments after subsequent cutting during turnover or stacking is avoided, and the effect of one-time coating and full-process protection is achieved.

[0032] like Figure 4 As shown, in this embodiment, the rolling member includes a limiting rod 22, and the loading block 21 is slidably connected with the limiting rod 22 extending into the rolling channel on all sides. The end of the limiting rod 22 is installed with a U-shaped block 221 located in the pressing channel, and a first spring 222 is sleeved on the limiting rod 22, and the two ends of the first spring 222 are respectively connected to the inner wall of the U-shaped block 221 and the loading block 21, and a pressing roller 223 for rolling the pipe fitting is rotatably installed on the U-shaped block 221; when the pipe fitting passes through the rolling channel, multiple pressing rollers 223 respectively press against the four sides of the pipe fitting, and the limiting rod 22 on the U-shaped block 221 slides on the loading block 21, and the first spring 222 thereon is compressed, and its reaction force is applied to the pipe fitting through the pressing roller 223. When the pipe fitting moves, the pressing roller 223 rolls on the pipe fitting and applies pressure to the protective film 201 wrapped around the pipe fitting, so that the protective film 201 is tightly fitted to the pipe fitting, thereby enhancing the protection stability; In order to achieve a better pressing effect, a rubber layer can be provided on the pressing roller 223 to improve the pressing effect and also protect the pipe fittings to prevent indentations on the surface of the pipe fittings.

[0033] like Figure 4 and Figure 7As shown, in this embodiment, the cutting piece 23 includes a cutting block 231, which is installed on the side of the ring 203 and close to the winding disk 212. The cutting block 231 is provided with a cutting opening 232 for the protective film 201 to pass through. The cutting block 231 is provided with a cavity connected to the cutting opening 232. One side of the cutting block 231 is slidably connected with a connecting rod 233 that extends into the cavity and is arranged toward the cutting opening 232. The end of the connecting rod 233 is provided with a cutting knife 234 located in the cavity. The connecting rod 233 is provided with a second spring 235, and the first spring 236 is provided with a second spring 237. The two ends of the second spring 235 are respectively connected to the inner wall of the cutting knife 234 and the cutting block 231. During use, the protective film 201 passes through the cutting opening 232 of the cutting block 231. When the pipe is fixed in the cutting cover 3 and the protective film 201 needs to be cut, the connecting rod 233 can be manually pushed to move the cutting knife 234 toward the cutting opening 232. The second spring 235 is compressed to cut the protective film 201. After cutting, the force applied to the connecting rod 233 is released, and the second spring 235 drives the cutting knife 234 and the connecting rod 233 to reset, preparing for the next cutting.

[0034] like Figure 3 and Figure 8 As shown, in this embodiment, the flexible dust blowing assembly 5 includes a flexible cover 51, a loading cover 52 and an annular tube 53. The loading cover 52 is installed on the side of the loading block 21 close to the cutting cover 3 and is connected to the rolling channel. The flexible cover 51 is connected between the cutting cover 3 and the loading cover 52. The annular tube 53 is installed in the loading cover 52 and is connected to the air guide 6. The side of the annular tube 53 is connected to a plurality of circumferentially arranged dust blowing nozzles 54 that are inclined toward the middle and blow air to the pipe. When the pipe enters the flexible cover 51 from the loading cover 52, the ion wind transported by the air guide 6 enters the annular tube 53, and is then blown to the surface of the pipe through the plurality of circumferentially inclined dust blowing nozzles 54, thereby removing dust on the protective film 201 and neutralizing static electricity. When the pipe is fixed in the cutting cover 3 and a section is cut, the winding assembly 2 can be driven by the electric guide rail 101 to move toward the cutting cover 3, so that the pipe clamped by the rolling element is pushed forward. At the same time, the flexible cover 51 contracts to match the movement of the pipe. In specific use, after the pipe is cut, the electric guide rail 101 can be used to drive the winding assembly 2 to move the flexible cover 51 back and forth. Under the action of inertia, the dust inside can be shaken off, and the dust can be blown into the cutting cover 3 through the dust blowing nozzle 54 and extracted by the chip extractor 7.

[0035] like Figure 9As shown, in this embodiment, a cutting chamber connected to the flexible cover 51 is provided in the cutting cover 3, and an opening is provided at one end of the cutting cover 3 away from the flexible cover 51 to connect the cutting chamber and for discharging the pipe fittings. First cylinders 32 are installed on both sides of the cutting cover 3, and the driving ends of the two first cylinders 32 are connected to the limit blocks 33 located in the cutting chamber, and the adjacent sides of the two limit blocks 33 are provided with V-shaped openings; the pipe fittings enter the cutting chamber in the cutting cover 3 through the flexible cover 51 and pass through the opening on the cutting cover 3. During cutting, the two first cylinders 32 drive the two limit blocks 33 to move toward the middle, and use the V-shaped opening to clamp the pipe fittings so that the cutting position is aligned with the incision 31, and the cut pipe fittings fall from the opening. In specific use, a collection box can be placed at the pipe fitting falling position, or an inclined slide can be set at the falling position, depending on the actual situation. The cutting chamber forms a separate cutting space, which cooperates with subsequent air guidance and chip extraction to effectively control the spread of waste chips.

[0036] like Figure 2 and Figure 10 As shown, in this embodiment, the air guide member 6 includes an ion fan 61, which is installed at the bottom of the support 1. The air outlet end of the ion fan 61 is connected to an air guide pipe 62, one end of the air guide pipe 62 is connected to a diverter pipe 63 installed on the support 1, and the two ends of the diverter pipe 63 are respectively connected to a hose 631 and an air supply pipe 632, the hose 631 is connected to the annular pipe 53, and one side of the cutting cover 3 is connected to an air inlet shaft 301 connected to the cutting chamber, and the air supply pipe 632 is connected to the air inlet shaft 301; The ion fan 61 of the air guide part 6 generates ion wind, which enters the diversion pipe 63 through the air guide pipe 62, and the diversion pipe 63 sends the ion wind to the annular pipe 53 through the hose 631. The dust blowing nozzle 54 on the annular pipe 53 is used to blow ion wind to the pipe fittings, and the ion wind is sent to the cutting chamber of the cutting cover 3 through the air supply pipe 632 and the air inlet shaft 301 to form a directional airflow, which can cool the knife disc 41 for cutting pipe fittings, prevent heat accumulation and wear, and further prevent scratches on the pipe fittings. Then, the chip extractor 7 is used to realize rapid chip removal when cutting the pipe fittings. The above design centrally supplies ion wind and meets the needs of dust removal, static electricity removal and cooling the knife disc 41 at the same time.

[0037] like Figure 1 and Figure 11As shown, in this embodiment, the chip extraction member 7 includes a chip extraction pump 71, which is installed at the bottom of the support 1, and the chip extraction end of the chip extraction pump 71 is connected to the chip feed pipe 72, one end of the chip feed pipe 72 is connected to the docking pipe 73, one end of the docking pipe 73 is connected to the first chip extraction pipe 731 and the second chip extraction pipe 732, the other side of the cutting cover 3 is connected to the first chip removal shaft 302 connected to the cutting chamber, the bottom of the cutting cover 3 is connected to the second chip removal shaft 303 connected to the cutting chamber, the first chip extraction pipe 731 is connected to the first chip removal shaft 302, the second chip extraction pipe 732 is connected to the second chip removal shaft 303, and the discharge end of the chip extraction pump 71 is connected Chip discharge pipe 74, chip discharge pipe 74 is connected to the collection bag; the chip extraction pump 71 of the chip extraction part 7 generates negative pressure when it works, and the waste chips in the cutting cover 3 are extracted from the cutting chamber through the chip feed pipe 72 and the docking pipe 73, through the first chip extraction pipe 731 and the first chip removal shaft 302, the second chip extraction pipe 732 and the second chip removal shaft 303, and finally discharged through the chip discharge pipe 74 and collected by the collection bag. In specific use, it can be selected according to actual conditions, including but not limited to the collection method of the collection bag. The above design and multi-directional chip extraction ensure that the waste chips in the cutting chamber are completely removed, avoiding residual waste chips scratching the pipes or affecting the operation of the cutter disc 41, and keeping the cutting environment clean.

[0038] like Figure 1 、 Figure 2 and Figure 13 As shown, in this embodiment, the cutting piece 4 also includes a bracket 42, a second cylinder 43 and a strip 44. The bracket 42 is arranged on one side of the support 1 and is located at the cutting station. The second cylinder 43 is installed on the bracket 42. The strip 44 is connected to the second cylinder 43 and is located above the incision 31. An assembly cavity is opened in the strip 44. A driven wheel 441 and a driving wheel 442 are arranged in the assembly cavity. A transmission belt 443 is matched between the driven wheel 441 and the driving wheel 442. A shaft 445 is fixed to the middle of the driven wheel 441, and one side of the shaft 445 is fixed to the driven wheel 441. The end rotates through the side of the bar 44, the axis of the cutter disc 41 is connected to one end of the shaft 445, and a second motor 444 is installed on the top of the bar 44, and the output end of the second motor 444 is connected to the axis of the driving wheel 442; when cutting the pipe, the second motor 444 drives the driving wheel 442 to rotate, and drives the driven wheel 441 to rotate through the transmission belt 443, and the driven wheel 441 drives the cutter disc 41 to rotate at high speed through the shaft 445, and the second cylinder 43 pushes the bar 44 to move downward, so that the cutter disc 41 passes through the incision 31 to cut the pipe.

[0039] like Figure 1 and Figure 14As shown, in this embodiment, a pusher 8 for pushing the pipe fitting is installed on the support 1, and the pusher 8 includes a loading frame 81 and two electric push rods 82. The two electric push rods 82 are both installed on the support 1 and are located on the side of the winding assembly 2 away from the flexible dust blowing assembly 5. The loading frame 81 is connected to the two electric push rods 82 and is driven to move up and down. A plurality of spaced conveying rollers 811 are rotatably installed on the loading frame 81, and a third cylinder 812 is installed on one side of the loading frame 81. A pushing block 813 for pushing the pipe fitting is installed on the driving end of the third cylinder 812; when in use, the electric push rod 82 adjusts the height of the loading frame 81 to adapt to the pipe fitting, the conveying roller 811 supports the pipe fitting, and the third cylinder 812 drives the pushing block 813 to push the pipe fitting toward the winding assembly 2. During specific operation, a socket is opened on the inner side of the pushing block 813 for plugging in the plug rod to push the pipe fitting with a shorter stroke. The above design provides thrust for the pipe fitting during the entire cutting process.

[0040] In a specific embodiment, the protective film 201 used in this device is a stretch film. The stretch film is similar to the plastic wrap and is also used to wrap and protect objects by stretching. It has self-adhesive properties and can be wrapped around pipes to provide protection. The main component of the stretch film is PE (polyethylene), and its viscosity is enhanced by adding a viscosity additive (such as PIB masterbatch).

[0041] In a specific embodiment, when the pipe is initially inserted into the winding assembly 2, the protective film 201 can be manually pulled out from the winding drum 212 so that one end of it is fixed on the pipe. The initial fixing method of the connection between the protective film 201 and the pipe can be fixed with tape.

[0042] A metal parts cutting process with the function of preventing parts from being scratched, using the above-mentioned metal parts cutting device with the function of preventing parts from being scratched, comprises the following steps: Step 1: Film application: The tube is passed through the roller channel in the loading block 21, pushed into the flexible dust blowing assembly 5 and moved toward the cutting cover 3. During the movement of the tube, the ring 203 drives the winding disk 212 to rotate, so that the protective film 201 on it is continuously wound around the tube, and the roller rolls the protective film 201 in the channel; Step 2: Dust and static electricity removal: When the pipe moves in the flexible dust blowing assembly 5, the air guide 6 delivers ionized wind into the flexible dust blowing assembly 5. The flexible dust blowing assembly 5 blows ionized wind to the protective film 201 on the pipe to remove dust and static electricity on the protective film 201. Step 3: Cutting: After the tube enters the cutting cover 3, it is fixed so that the cut section is placed below the cutout 31. The cutting piece 23 cuts the protective film 201. The blade 41 on the cutting piece 4 passes through the cutout 31 on the cutting cover 3 to cut the tube inside. The air guide 6 delivers ionized air into the cutting cover 3, and the chip extractor 7 extracts the cutting waste in the cutting cover 3. Step 4. After the pipe is cut into a section, the electric guide rail 101 drives the winding assembly 2 to move toward the cutting cover 3, pushing the pipe clamped by the roller forward, and the flexible dust blowing assembly 5 is then retracted to form continuous processing of the pipe and complete the cutting of the pipe.

[0043] The specific working principle of the present invention is as follows: The pipe is passed through the rolling channel of the loading block 21 in the winding assembly 2, pushed into the flexible dust blowing assembly 5 and moved toward the cutting cover 3. During this process, the first motor 204 drives the driving wheel 205 to rotate the ring 203, and the protective film 201 on the winding disk 212 is manually wound continuously on the surface of the pipe. At the same time, the pressure roller 223 in the rolling channel rolls the protective film 201 under the action of the first spring 222 to ensure that it fits tightly to the pipe, forming a physical protective layer. After the pipe enters the flexible dust blowing assembly 5, the ion wind generated by the ion blower 61 in the air guide 6 is transported to the annular tube 53 through the air guide 62, the diverter pipe 63 and the hose 631, and then blown toward the pipe through multiple circumferentially inclined dust blowing nozzles 54. On the one hand, it removes the dust and metal chips on the surface of the protective film 201, and on the other hand, it neutralizes the static electricity generated by the friction of the protective film 201. After the pipe enters the cutting chamber of the cutting cover 3, one end passes through the opening of the cutting cover 3. Then, the first cylinders 32 on both sides of the cutting cover 3 drive the limit blocks 33 to clamp the pipe through the V-shaped opening, so that the section to be cut is aligned with the incision 31. Then, the connecting rod 233 of the cutting piece 23 is manually pushed, so that the cutting knife 234 cuts the protective film 201. The second motor 444 drives the cutter head 41 to rotate at high speed through the driving wheel 442, the transmission belt 443 and the driven wheel 441. The second cylinder 43 pushes the cutter head 41 through the incision 31 to complete the cutting of the pipe. During cutting, the ion wind generated by the ion blower 61 is transported to the cutting chamber through the air guide pipe 62, the diverter pipe 63, the air supply pipe 632 and the air inlet shaft 301, forming a directional airflow. At the same time, the ion wind blown into the cutting cover 3 can cool the cutter disc 41 to prevent it from deformation. The chip pump 71 of the chip extraction member 7 generates negative pressure, which is extracted from the cutting chamber through the chip feed pipe 72 and the docking pipe 73, the first chip extraction pipe 731 and the first chip discharge shaft 302, the second chip extraction pipe 732 and the second chip discharge shaft 303, and finally discharged through the chip discharge pipe 74 and collected in the collection bag. After a section of the pipe is cut, the electric guide rail 101 drives the winding assembly 2 to move toward the cutting cover 3, pushing the pipe clamped by the pressure roller 223 forward, and the flexible cover 51 of the flexible dust blowing assembly 5 shrinks accordingly, repeating the above steps to achieve continuous cutting.

[0044] The above describes an embodiment of the present invention, but this embodiment is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Ordinary technicians in this field can also make many forms based on the inspiration of this embodiment, all of which are protected by this embodiment.

Claims

1. A hardware parts cutting device with the function of preventing parts from being scratched, characterized in that: It comprises a support (1), a winding assembly (2), a cutting cover (3), a cutting piece (4), a flexible dust blowing assembly (5), an air guide piece (6) and a chip extraction piece (7); The support (1) is provided with a winding station and a cutting station arranged in sequence along its length direction, the winding assembly (2) is installed at the winding station, and the winding assembly (2) includes a protective film (201) for winding the pipe; The cutting cover (3) and the cutting piece (4) are both installed at the cutting station. A cutout (31) is provided on the top of the cutting cover (3). The cutting piece (4) includes a cutter disc (41) for cutting the pipe through the cutout (31). The flexible dust blowing assembly (5) is connected between the winding assembly (2) and the cutting cover (3) and is used for passing the pipe and blowing dust and removing static electricity from it. The support (1) is equipped with an electric guide rail (101) that drives the winding assembly (2) to move along its length direction and drives the flexible dust blowing assembly (5) to extend and retract. The air guide member (6) is used to guide the ion wind into the cutting cover (3) and the flexible dust blowing assembly (5) respectively, and the chip extraction member (7) is used to extract the waste chips cut in the cutting cover (3).

2. The hardware parts cutting device capable of preventing parts from being scratched according to claim 1, characterized in that: The winding assembly (2) includes a loading block (21), the loading block (21) is mounted on an electric guide rail (101), a roller pressing channel is opened in the middle of the loading block (21) and is connected to the flexible dust blowing assembly (5), a plurality of guide wheels (202) distributed around the roller pressing channel are rotatably mounted on one side of the loading block (21), and a ring (203) is rollingly fitted between the plurality of guide wheels (202), a first motor (204) is mounted on the other side of the loading block (21), and an output end of the first motor (204) is connected to a driving wheel (205) that contacts the ring (203) and drives it to rotate, A screw rod (211) is installed on the side of the circular ring (203), and a winding disk (212) is sleeved on the screw rod (211). The protective film (201) is wound on the winding disk (212). Two nuts (213) are also threadedly sleeved on the screw rod (211). The winding disk (212) is located between the two nuts (213), and there is a distance between the nuts (213) and the winding disk (212) for rotating the winding disk (212). A cutting piece (23) for cutting off the protective film (201) is also installed on the side of the circular ring (203), and a rolling piece for rolling the pipe is installed in the rolling channel.

3. The hardware parts cutting device capable of preventing parts from being scratched according to claim 2, characterized in that: The rolling member includes a limiting rod (22), and the limiting rods (22) are slidably connected around the loading block (21) and extend into the rolling channel. The end of the limiting rod (22) is installed with a U-shaped block (221) located in the pressing channel. The limiting rod (22) is sleeved with a first spring (222), and the two ends of the first spring (222) are respectively connected to the inner wall of the U-shaped block (221) and the loading block (21). A pressing roller (223) for rolling the pipe is rotatably installed on the U-shaped block (221).

4. The hardware parts cutting device capable of preventing parts from being scratched according to claim 2, characterized in that: The truncation member (23) comprises a truncation block (231), which is mounted on the side of the ring (203) and close to the winding disk (212). The truncation block (231) is provided with a truncation opening (232) for the protective film (201) to pass through. The truncation block (231) is provided with a cavity connected to the truncation opening (232). A connecting rod (233) is slidably connected to one side of the truncation block (231) and extends into the cavity and is arranged toward the truncation opening (232). A truncation knife (234) located in the cavity is mounted at the end of the connecting rod (233). A second spring (235) is sleeved on the connecting rod (233), and two ends of the second spring (235) are respectively connected to the truncation knife (234) and the inner wall of one side of the truncation block (231).

5. The hardware parts cutting device capable of preventing parts from being scratched according to claim 2, characterized in that: The flexible dust blowing assembly (5) comprises a flexible cover (51), a loading cover (52) and an annular tube (53); the loading cover (52) is mounted on a side of the loading block (21) close to the cutting cover (3) and is in communication with the rolling channel; the flexible cover (51) is connected between the cutting cover (3) and the loading cover (52); the annular tube (53) is mounted in the loading cover (52) and is in communication with the air guide (6); and a plurality of dust blowing nozzles (54) are connected to the side of the annular tube (53) and are arranged circumferentially and tilted toward the middle to blow air toward the tube.

6. The hardware parts cutting device capable of preventing parts from being scratched according to claim 5, characterized in that: A cutting chamber communicating with the flexible cover (51) is provided in the cutting cover (3), an opening communicating with the cutting chamber and for discharging the pipe is provided at one end of the cutting cover (3) away from the flexible cover (51), first cylinders (32) are installed on both sides of the cutting cover (3), the driving ends of the two first cylinders (32) are connected to limit blocks (33) located in the cutting chamber, and adjacent sides of the two limit blocks (33) are provided with V-shaped openings.

7. The hardware parts cutting device capable of preventing parts from being scratched according to claim 6, characterized in that: The air guide member (6) includes an ion fan (61), which is installed at the bottom of the support (1). The air outlet end of the ion fan (61) is connected to an air guide pipe (62), one end of the air guide pipe (62) is connected to a diversion pipe (63) installed on the support (1), and the two ends of the diversion pipe (63) are respectively connected to a hose (631) and an air supply pipe (632), the hose (631) is connected to the annular pipe (53), and one side of the cutting cover (3) is connected to an air inlet shaft (301) connected to the cutting chamber, and the air supply pipe (632) is connected to the air inlet shaft (301).

8. The hardware parts cutting device capable of preventing parts from being scratched according to claim 7, characterized in that: The chip extraction member (7) includes a chip extraction pump (71), which is installed at the bottom of the support (1); the chip extraction end of the chip extraction pump (71) is connected to a chip feed pipe (72); one end of the chip feed pipe (72) is connected to a docking pipe (73); one end of the docking pipe (73) is connected to a first chip extraction pipe (731) and a second chip extraction pipe (732); the other side of the cutting cover (3) is connected to a first chip removal shaft (302) connected to the cutting chamber; the bottom of the cutting cover (3) is connected to a second chip removal shaft (303) connected to the cutting chamber; the first chip extraction pipe (731) is connected to the first chip removal shaft (302); the second chip extraction pipe (732) is connected to the second chip removal shaft (303); and the discharge end of the chip extraction pump (71) is connected to a chip removal pipe (74).

9. The hardware parts cutting device capable of preventing parts from being scratched according to claim 1, characterized in that: The cutting piece (4) further comprises a bracket (42), a second cylinder (43) and a strip (44), wherein the bracket (42) is arranged on one side of the support (1) and is located at the cutting station, the second cylinder (43) is mounted on the bracket (42), the strip (44) is connected to the second cylinder (43) and is located above the incision (31), an assembly cavity is provided in the strip (44), and a driven wheel (441) and a driving wheel (442) are provided in the assembly cavity, A transmission belt (443) is provided between the driven wheel (441) and the driving wheel (442). A shaft (445) is fixed to the middle of the driven wheel (441), and one end of the shaft (445) rotates and passes through the side of the bar (44). The axis of the cutter disc (41) is connected to one end of the shaft (445). A second motor (444) is installed on the top of the bar (44), and the output end of the second motor (444) is connected to the axis of the driving wheel (442).

10. A process for cutting hardware parts with the function of preventing parts from being scratched, using the hardware parts cutting device with the function of preventing parts from being scratched as claimed in any one of claims 1 to 9, characterized in that: The following steps are involved: Step 1: Film application: insert the tube into the roller channel in the loading block (21), push it into the flexible dust blowing assembly (5) and move it toward the cutting cover (3). During the movement of the tube, the ring (203) drives the winding disk (212) to rotate, so that the protective film (201) on it is continuously wound around the tube, and the roller rolls the protective film (201) in the channel; Step 2: dust removal and static electricity removal. When the pipe moves in the flexible dust blowing component (5), the air guide (6) transports ionized air into the flexible dust blowing component (5). The flexible dust blowing component (5) blows ionized air onto the protective film (201) on the pipe to remove dust and static electricity on the protective film (201). Step 3: Cutting. After the pipe enters the cutting cover (3), it is fixed so that the cut section is placed below the cutout (31). The cutting piece (23) cuts the protective film (201). The knife disc (41) on the cutting piece (4) passes through the cutout (31) on the cutting cover (3) to cut the pipe inside. The air guide piece (6) transports ion air into the cutting cover (3). The chip extraction piece (7) extracts the cutting waste in the cutting cover (3). Step 4: After a section of the pipe is cut, the electric guide rail (101) drives the winding assembly (2) to move toward the cutting cover (3), pushing the pipe clamped by the roller to move forward, and the flexible dust blowing assembly (5) is then retracted, forming continuous processing of the pipe, and completing the cutting of the pipe.

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