Machining device

By using an air duct plate and air pump system in the machining device to form an air wall to block sparks and debris, and equipped with a cleaning mechanism, the problem of sparks and debris splashing during the cutting process is solved, and safety and convenience are improved.

CN121104185APending Publication Date: 2025-12-12HUBEI UNIV FOR NATITIES
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Patent Information

Application Number
CN202410744669.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-06-11
Publication Date
2025-12-12

AI Technical Summary

Technical Problem

During machining, sparks and debris from cutting devices pose a threat to the safety of operators, and existing protective devices cannot effectively block them, resulting in reduced safety.

Method used

Employing an air duct plate and air pump system, it creates an air wall by spraying air through nozzles to block sparks and debris. Combined with an adjustable air duct plate position and goggles for added safety, it also features a cleaning mechanism to sweep away debris and improve the cleanliness of the work surface.

Benefits of technology

It effectively blocks sparks and debris from flying, reducing the risk of injury to operators, improving the safety and convenience of the cutting process, and keeping the work surface clean.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to a machining device, and relates to the technical field of machining, the machining device comprises a workbench and a cutting knife rotationally arranged on the workbench, the workbench is provided with a protection assembly, the protection assembly comprises two air channel plates and an air pump, and each air channel plate is provided with a plurality of air nozzles facing the cutting knife / the other air channel plate; and an air wall for blocking sparks is formed between the cutting knife and a worker by air flow sprayed by the air nozzle. A worker pushes a material to be close to the cutting knife, the cutting knife is started to cut the material, meanwhile, the air pump is started, airflow enters the inner cavity of the air channel plate and is sprayed out through the air nozzles, the airflow sprayed out through the air nozzles on the two sides forms an air wall between the cutting knife and the worker, and sparks and chippings generated by cutting are blocked through the air wall; the probability that sparks splash to burn workers is reduced, meanwhile, the probability that chippings and raised dust escape to the operation side of the workers is reduced, and therefore the safety of the mechanical cutting process is improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mechanical processing, in particular to a mechanical processing device. BACKGROUND

[0002] In the mechanical manufacturing process, a cutting device is usually used to cut mechanical materials. In the cutting process, the debris and sparks generated between the cutting knife and the materials may splash, thereby reducing the safety of the cutting device.

[0003] In related technologies, reference can be made to the Chinese Utility Model Patent with the authorization announcement number CN216066640U, which discloses a protective device for mechanical processing, including a processing table and a protective component. The protective component includes fixed blocks arranged around the top of the processing table, pull-out slots arranged on one side of the front two fixed blocks, limiting slots arranged on one side of the rear two fixed blocks, a pull-out plate arranged in the pull-out slot, a limiting plate arranged in the limiting slot, a transparent cover arranged on the top of the processing table, and a lock component for fixing the transparent cover.

[0004] When in use, the transparent cover is used to shield the cutting knife, thereby reducing the probability of sparks splashing and damaging the operator. The pull-out plate and the limiting plate can replace the transparent cover. However, when the operator pushes the material for cutting, the operator's hand is stretched to the opening of the transparent cover. The sparks will still splash to the operator's hand through the opening of the transparent cover. At the same time, the debris and dust generated by cutting will also escape through the opening of the transparent cover, thereby reducing the safety of the mechanical cutting process. SUMMARY

[0005] In order to improve the safety of the mechanical cutting process, the present application provides a mechanical processing device.

[0006] The mechanical processing device provided in the present application adopts the following technical scheme:

[0007] A mechanical processing device includes a workbench and a cutting knife rotatingly arranged on the workbench. The workbench is provided with a protective assembly. The protective assembly includes:

[0008] Two air channel plates are arranged on the workbench in opposite parallel. The air channel plate has an inner cavity. A plurality of air jet nozzles are arranged on the air channel plate and face the cutting knife / the other air channel plate. The air jet nozzles are sequentially arranged along the length direction of the air channel plate.

[0009] A gas pump is arranged on the workbench and communicates with the inner cavity of the corresponding air channel plate. When the gas pump works, the airflow jetted from the air jet nozzles forms an air wall for blocking the sparks between the cutting knife and the worker.

[0010] By adopting the technical scheme, the worker pushes the material close to the cutting knife, the cutting knife starts to cut the material, at the same time, the air pump starts, the airflow enters the inner cavity of the air channel plate and is sprayed out through the air jet nozzles, the airflow sprayed out by the air jet nozzles on both sides forms an air wall between the cutting knife and the worker, the sparks and debris generated during cutting are blocked by the air wall, the probability of the sparks splashing and burning the worker is reduced, at the same time, the probability of the debris and dust diffusing to the worker operation side is reduced, and thus the safety of the mechanical cutting process is improved.

[0011] Optionally, two horizontally extending and located on the same straight line moving grooves are formed on the workbench, a sliding block is slidably arranged in each moving groove, and two air channel plates are fixed on different sliding blocks.

[0012] By adopting the technical scheme, the two first driving members are started to drive different sliding blocks to move in the moving grooves, the sliding blocks drive the air channel plates to move, and thus the distance between the two air channel plates is adjusted, so that the air channel plates do not affect the worker's operation of cutting, and thus the safety of the mechanical cutting process is improved.

[0013] Optionally, the first driving member comprises:

[0014] a first screw rod, which is rotatably arranged in the moving groove and extends along the length direction of the moving groove, and the sliding block is threadedly connected with the first screw rod;

[0015] a first motor, which is arranged in the moving groove and has a transmission connection between the output end and the first screw rod.

[0016] By adopting the technical scheme, the first motor is started to drive the first screw rod to rotate, the first screw rod drives the sliding block to move in the moving groove, and the sliding block drives the air channel plate to move, so as to realize the adjustment of the position of the air channel plate, and thus the convenience of the position adjustment of the air channel plate is improved.

[0017] Optionally, a vertically extending mounting rod is arranged on the workbench, a horizontally extending fixing rod is arranged at the top end of the mounting rod, a sliding groove extending along the length direction is arranged on the fixing rod, and a mounting block is slidably arranged in the sliding groove.

[0018] By adopting the technical scheme, before cutting, the goggles are pulled to drive the mounting block to move in the sliding groove, and then the goggles are rotated until the worker's face is shielded, so as to reduce the probability of the sparks, debris and dust generated during cutting splashing to the worker's face, and thus the safety of the mechanical cutting process is improved.

[0019] Optionally, a cleaning mechanism for cleaning the debris is arranged on the workbench, and the cleaning mechanism comprises:

[0020] A cleaning plate is arranged on the workbench and extends in the horizontal direction. The cleaning plate is located on the side of the cutting knife away from the air duct plate. The extending direction of the cleaning plate is parallel to the extending direction of the fixing rod. The lower surface of the cleaning plate is provided with a plurality of first brushes arranged in a linear manner. The cleaning plate is provided with two guide grooves extending in the length direction.

[0021] Two side cleaning plates are arranged in the guide grooves in a one-to-one correspondence. The extending direction of the side cleaning plate is perpendicular to the extending direction of the guide groove. The bottom end of the side cleaning plate is provided with a plurality of second brushes arranged in a linear manner. The guide groove is provided with a second driving element for driving the side cleaning plate to move.

[0022] A moving assembly is arranged on the workbench and is used for driving the cleaning plate to move.

[0023] By adopting the above technical scheme, the debris generated by cutting is scattered on the back side and both sides of the cutting knife under the action of the air wall. After cutting is completed, the moving assembly is started to drive the cleaning plate to move to the back side of the cutting knife. The second driving element drives the two side cleaning plates to be located on both sides of the cutting knife, so that the bottom of the first brush and the second brush abuts against the tabletop of the workbench. Then, the second driving element is started to drive the two side cleaning plates to move reversely, so as to clean the debris on both sides of the cutting knife. Then, the moving assembly is started to drive the cleaning plate to move away from the cutting knife, so as to clean the debris on the back side of the cutting knife. After cleaning is completed, the moving assembly drives the cleaning plate to move back to the initial position, so as to clean the debris in the cutting process, and the cleanliness of the tabletop is improved.

[0024] Optionally, the moving assembly comprises:

[0025] A vertical rod is arranged on the workbench and extends upward. The vertical rod is provided with a vertical groove extending in the length direction. A horizontal cross rod is slidably arranged in the vertical groove. The vertical groove is provided with a third driving element for driving the cross rod to move up and down.

[0026] A bearing rod is fixedly arranged at the bottom end of the cross rod and is perpendicular to the extending direction of the cross rod. The lower surface of the bearing rod is provided with a bearing groove extending in the length direction. A connecting rod is slidably arranged in the bearing groove. The cleaning plate is fixedly arranged at the bottom end of the connecting rod. The extending direction of the cleaning plate is perpendicular to the extending direction of the bearing groove. The bearing groove is provided with a fourth driving element for driving the connecting rod to slide.

[0027] By adopting the technical scheme, when cleaning is needed, the fourth driving member is started to drive the connecting rod to slide in the bearing groove, the connecting rod drives the cleaning plate to move in the direction close to the cutting knife until the cleaning plate is located at the rear side of the cutting knife, then the second driving member is started to drive the two side cleaning plates to move close to each other until the two side cleaning plates are located at the two sides of the cutting knife, then the third driving member is started to drive the horizontal rod to move downward in the vertical groove, the horizontal rod drives the bearing rod and the connecting rod to move downward, thereby driving the cleaning plate to move downward until the first brush and the second brush are both abutted on the tabletop of the workbench, and the first brush is located at the rear side of the cutting knife and the second brush is located at the two sides of the cutting knife, then the second driving member is started in reverse to drive the two side cleaning plates to move reversely, thereby cleaning the debris at the two sides of the cutting knife, then the fourth driving member is started to drive the connecting rod to move reversely, thereby cleaning the debris at the rear side of the cutting knife, so that the cleanliness of the tabletop is improved.

[0028] Optionally, the workbench is provided with a rotating groove for the cutting knife to rotate, and an upper portion of the cutting knife extends out of the rotating groove upwardly.

[0029] By adopting the technical scheme, when cutting, the worker pushes the material close to the rotating groove, and the upper portion of the cutting knife cuts the material, and the cutting angle of the cutting knife is adjusted by the adjusting mechanism to adapt to different cutting requirements, so that the convenience of mechanical cutting is improved.

[0030] Optionally, the adjusting mechanism comprises:

[0031] Two mounting plates, the two mounting plates are arranged on the lower surface of the workbench and located at the two sides of the rotating groove.

[0032] A rack, the rack is slidingly arranged between the two mounting plates, and a fifth driving member for driving the rack to slide is arranged on the mounting plate.

[0033] A connecting plate, the connecting plate is fixedly arranged on the lower surface of the workbench, a gear meshing with the rack is rotatably arranged on the connecting plate, a top end of the gear is coaxially fixedly provided with a supporting plate, and the cutting knife is rotatably arranged on the supporting plate, and a driving motor for driving the cutting knife to rotate is arranged on the supporting plate.

[0034] By adopting the technical scheme, the fifth driving member is started to drive the rack to slide, the rack drives the gear to rotate, and the gear drives the cutting knife to rotate through the supporting plate, so that the adjustment of the cutting angle of the cutting knife is realized, when cutting, the driving motor is started to drive the cutting knife to work, and the cutting knife cuts the material, and the air wall blocks the sparks, debris and dust, so that the safety and convenience of the mechanical cutting process are improved.

[0035] Optionally, an angle line is arranged at the edge of the rotating groove, and a pointer coaxially fixedly arranged on the side of the cutting knife away from the motor is arranged to point to the angle line.

[0036] By adopting the technical scheme, the rotation of the supporting plate drives the rotation of the cutting knife, the rotation of the cutting knife drives the rotation of the pointer, the change of the value of the angle line pointed by the pointer is obtained, and the rotation angle of the cutting knife is obtained, so that the rotation angle of the cutting knife is facilitated to be controlled, and the convenience of mechanical cutting angle adjustment is improved.

[0037] Optionally, the lower surface of the workbench is provided with a supporting column, the bottom end of the supporting column is provided with a moving wheel, the bottom end of the supporting column is also provided with a vertically sliding positioning rod, the bottom end of the positioning rod is provided with an anti-skid pad, and the supporting column is provided with a sixth driving element for driving the positioning rod to slide up and down.

[0038] By adopting the technical scheme, when moving is needed, the sixth driving element is started to drive the positioning rod to move upwards, so that the anti-skid pad is separated from the ground, and then the workbench is pushed, the moving wheel improves the convenience of the movement of the workbench, after moving to the position, the sixth driving element is started to drive the positioning rod to move downwards, so that the anti-skid pad is tightly pressed on the ground, at this time, the moving wheel cannot rotate, so that the positioning of the workbench is realized, and the convenience of the movement and positioning of the workbench is improved.

[0039] In summary, the present application has at least one of the following beneficial technical effects:

[0040] 1. The worker pushes the material close to the cutting knife, the cutting knife is started to cut the material, at the same time, the air pump is started, the airflow enters the inner cavity of the air duct plate and is sprayed out through the air jet nozzle, the airflow sprayed out by the air jet nozzles on both sides forms an air wall between the cutting knife and the worker, the air wall blocks the sparks and debris generated by cutting, reduces the probability of burning the worker by flying sparks, and reduces the probability of the escape of debris and dust to the worker operation side, so that the safety of the mechanical cutting process is improved.

[0041] 2. The fifth driving element is started to drive the rack to slide, the rack drives the gear to rotate, the gear drives the supporting plate to rotate, so that the adjustment of the cutting angle of the cutting knife is realized, during cutting, the motor is started to drive the cutting knife to work, the cutting knife cuts the material, and the air wall blocks the sparks, debris and dust, so that the safety and convenience of the mechanical cutting process are improved.

[0042] 3. The generated cutting debris is scattered on the rear side and both sides of the cutting knife under the action of the air wall. After the cutting is completed, the moving assembly drives the cleaning plate to move to the rear side of the cutting knife. The second driving member drives the two side cleaning plates to be located on both sides of the cutting knife, so that the bottoms of the first brush and the second brush are in contact with the tabletop of the workbench. Then the second driving member drives the two side cleaning plates to move reversely, so as to clean the debris on both sides of the cutting knife. Then the moving assembly drives the cleaning plate to move away from the cutting knife, so as to clean the debris on the rear side of the cutting knife. After the cleaning is completed, the moving assembly drives the cleaning plate to move back to the initial position, so as to clean the debris in the cutting process, and the cleanliness of the tabletop is improved.

[0043] 4. The movement and positioning of the workbench can be realized through the cooperation of the moving wheels, the positioning rods and the sixth driving member, so that the convenience of the movement and positioning of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0044] Figure 1 is the overall structure schematic diagram of the present application;

[0045] Figure 2 is the structure schematic diagram of the positioning rod in the present application, wherein the moving box is partially cut away;

[0046] Figure 3 is the structure schematic diagram of the protection assembly in the present application;

[0047] Figure 4 is the structure schematic diagram of the adjusting mechanism in the present application;

[0048] Figure 5 is the structure schematic diagram of the first driving member in the present application;

[0049] Figure 6 is the structure schematic diagram of the cleaning mechanism in the present application.

[0050] Reference signs: 1, workbench; 11, support column; 12, moving box; 121, positioning groove; 122, positioning block; 123, avoiding hole; 13, moving wheel; 14, positioning rod; 141, anti-skid pad; 15, sixth driving part; 151, sixth screw rod; 152, sixth motor; 16, moving groove; 161, sliding block; 17, mounting rod; 18, fixed rod; 181, sliding groove; 182, mounting block; 19, goggles; 2, cutting knife; 21, rotating groove; 22, driving motor; 23, angle line; 24, pointer; 3, protection assembly; 31, air channel plate; 311, air jet nozzle; 32, air pump; 33, gas flow controller; 331, grading switch; 34, first driving part; 341, first screw rod; 342, first motor; 4, adjusting mechanism; 41, mounting plate; 411, track plate; 412, track groove; 42, rack; 43, connecting plate; 431, gear; 432, gear rod; 44, fifth driving part; 441, fifth screw rod; 442, fifth motor; 45, supporting plate; 451, horizontal part; 452, vertical part; 46, bearing plate; 5, cleaning mechanism; 51, cleaning plate; 511, first brush; 512, guide groove; 52, side cleaning plate; 521, second brush; 53, moving assembly; 531, vertical rod; 532, bearing rod; 533, vertical groove; 534, horizontal rod; 535, bearing groove; 536, connecting rod; 54, second driving part; 541, second screw rod; 542, second motor; 55, third driving part; 551, third screw rod; 552, third motor; 56, fourth driving part; 561, fourth screw rod; 562, fourth motor. DETAILED DESCRIPTION

[0051] The following description will be made in conjunction with the accompanying drawings. Figures 1-6 The application is further described in detail.

[0052] The application discloses a machining device.

[0053] Reference is made to Figure 1 A machining device comprises a workbench 1 and a cutting knife 2 rotatably arranged on the workbench 1, and the workbench 1 is provided with a protection assembly 3.

[0054] Reference is made to Figure 1 and Figure 2The bottom surface of the workbench 1 is provided with four vertical support columns 11 at the four corners, and the bottom end of each support column 11 is fixedly provided with a moving box 12. The moving box 12 is hollow, and a movable moving wheel 13 is rotatably installed on the inner bottom wall of the moving box 12. The opposite two inner walls of the moving box 12 are provided with vertical positioning grooves 121, and the two positioning grooves 121 are oppositely arranged. A positioning block 122 vertically slides in the positioning grooves 121, and the positioning block 122 is in abutment between the two positioning grooves 121. The two positioning grooves 121 cooperate to limit the positioning block 122. The lower surface of the positioning block 122 is fixedly provided with a positioning rod 14, and the bottom end of the positioning rod 14 is fixedly provided with a non-slip pad 141. The bottom end of the moving box 12 is provided with an avoiding hole 123 for the positioning rod 14 to extend out of. The support column 11 is provided with a sixth driving element 15 for driving the positioning rod 14 to slide up and down.

[0055] Referring to Figure 1 and Figure 2 , the sixth driving element 15 includes a sixth lead screw 151 and a sixth motor 152. The sixth lead screw 151 is rotatably arranged in the moving box 12 and is threadedly connected with the positioning block 122. The sixth motor 152 is arranged on the top wall of the moving box 12 and is in transmission connection with the sixth lead screw 151 at the output end. The sixth motor 152 drives the sixth lead screw 151 to rotate, and the sixth lead screw 151 drives the positioning block 122 to slide in the positioning groove 121, so that the positioning rod 14 extends out of the avoiding hole 123 or moves back into the moving box 12. In cooperation with the moving wheel 13, the movement and positioning of the workbench 1 are realized.

[0056] Referring to Figure 1 and Figure 3 , the workbench 1 is provided with a rotating groove 21 for the rotating of the cutting knife 2. The rotating groove 21 is circular and penetrates through the upper and lower surfaces of the workbench 1. The upper part of the cutting knife 2 extends out of the rotating groove 21. The workbench 1 is provided with an adjusting mechanism 4 for adjusting the cutting angle of the cutting knife 2.

[0057] Referring to Figure 3 and Figure 4 , the adjusting mechanism 4 includes two mounting plates 41, a rack 42, and a connecting plate 43. The two mounting plates 41 are fixedly arranged on the lower surface of the workbench 1 and are oppositely arranged and located on both sides of the rotating groove 21. A track plate 411 is fixedly arranged between the two mounting plates 41. The track plate 411 has a track groove 412 along the length direction. The rack 42 is horizontally slidably arranged in the track groove 412 and abuts against the inner wall of the track groove 412. The track groove 412 limits the sliding direction of the rack 42, so that the rack 42 can only slide along the extension direction of the track groove 412. The mounting plate 41 is provided with a fifth driving element 44 for driving the rack 42 to slide.

[0058] Referring to Figure 3 and Figure 4The fifth driving member 44 comprises a fifth screw rod 441 and a fifth motor 442. The fifth screw rod 441 is rotatably arranged between the two mounting blocks 182 and is threadedly connected with the rack 42. The fifth motor 442 is arranged on one of the mounting blocks 182 and has an output end threadedly connected with the fifth screw rod 441

[0059] With reference to Figure 3 and Figure 4 The connecting plate 43 is fixedly arranged on the lower surface of the workbench 1 and has a bent shape. A gear 431 is rotatably arranged on the connecting plate 43 and is engaged with the rack 42. A gear rod 432 is coaxially and fixedly arranged at the top end of the gear 431. A supporting plate 45 is arranged at the top end of the gear rod 432. The supporting plate 45 comprises a horizontal part 451 and a vertical part 452 which are integrally arranged together. The horizontal part 451 is fixedly arranged at the top end of the gear rod 432 and is in a horizontal state. The vertical part 452 is arranged at one side of the horizontal part 451 and extends vertically upward. The cutting knife 2 is rotatably arranged on the vertical part 452. A driving motor 22 is arranged on the vertical part 452 and drives the cutting knife 2 to rotate. A supporting plate 46 is fixedly arranged at the top end of the vertical part 452 and shields the driving motor 22. The upper surface of the supporting plate 46 is located at the same horizontal plane as the upper surface of the workbench 1.

[0060] With reference to Figure 1 and Figure 4 The edge of the rotating groove 21 has an angle line 23. The angle line 23 is arranged around the edge of the rotating groove 21. The cutting knife 2 is coaxially and fixedly arranged at the side away from the driving motor 22 and has a pointer 24 which points to the angle line 23.

[0061] With reference to Figure 1 and Figure 4 The fifth motor 442 drives the fifth screw rod 441 to rotate. The fifth screw rod 441 drives the rack 42 to move horizontally in the track groove 412. The movement of the rack 42 drives the gear 431 to rotate. The gear 431 drives the supporting plate 45 to rotate through the gear rod 432. The rotation of the supporting plate 45 drives the cutting knife 2 to rotate. The change of the value of the angle line 23 pointed by the pointer 24 of the cutting knife 2 is the angle of the cutting knife 2. Therefore, the rotation angle of the cutting knife 2 can be controlled. The cutting knife 2 is suitable for different cutting requirements. The convenience of the mechanical cutting angle adjustment is improved.

[0062] With reference to Figure 1 and Figure 3 The protection assembly 3 comprises two air duct plates 31 and an air pump 32. The two air duct plates 31 are arranged on the workbench 1 in parallel and in a vertical state. The air duct plate 31 has an inner cavity. Two moving grooves 16 are arranged on the upper surface of the workbench 1 and extend horizontally and are located on the same straight line. The moving grooves 16 correspond to the air duct plates 31 one by one.

[0063] With reference to Figure 3 and Figure 5Each of the moving grooves 16 is horizontally slidably provided with a sliding block 161 abutting against the inner wall of the moving groove 16, and the moving groove 16 limits the sliding direction of the sliding block 161, so that the sliding block 161 can only move along the extension direction of the moving groove 16. The bottom ends of the two air channel plates 31 are respectively fixed on different sliding blocks 161.

[0064] With reference to Figure 3 and Figure 5 , the air channel plate 31 is provided with a plurality of air nozzles 311 arranged towards the cutting knife 2, the air nozzles 311 are sequentially arranged along the length direction of the air channel plate 31, and the air nozzles 311 are in communication with the inner cavity of the air channel plate 31. In other embodiments, the air nozzles 311 on the air channel plate 31 are arranged towards another air channel plate 31.

[0065] With reference to Figure 3 and Figure 5 , the air pump 32 is provided with two and corresponds to the air channel plate 31 one by one. The air pump 32 is arranged on the workbench 1 and is in communication with the inner cavity of the corresponding air channel plate 31. The sliding block 161 is provided with a gas flow controller 33 connecting the air pump 32 and the inner cavity of the air channel plate 31. The gas flow controller 33 is any one of the components with gas flow control in the prior art. The top of the gas flow controller 33 is provided with a step switch 331 for controlling the exhaust capacity of the air pump 32. When the air pump 32 works, the air flow sprayed by the air nozzle 311 forms an air wall for blocking sparks between the cutting knife 2 and the worker.

[0066] With reference to Figure 3 and Figure 5 , the moving groove 16 is provided with a first driving member 34 for driving the sliding block 161 to move. The first driving member 34 is provided with two and corresponds to the sliding block 161 one by one. Hereinafter, only one first driving member 34 will be described as an example.

[0067] With reference to Figure 3 and Figure 5 , the first driving member 34 includes a first lead screw 341 and a first motor 342. The first lead screw 341 is rotatably arranged in the moving groove 16 and extends along the length direction of the moving groove 16. The sliding block 161 is threadedly connected with the first lead screw 341. The first motor 342 is arranged on the inner wall of the moving groove 16 and the output end is in transmission connection with the first lead screw 341.

[0068] With reference to Figure 3 and Figure 5, the first motor 342 starts to drive the first lead screw 341 to rotate, the first lead screw 341 rotates and drives the sliding block 161 to slide in the moving groove 16, the sliding block 161 drives the air duct plate 31 to move, so that the distance between the two air duct plates 31 is adjusted, so that the position of the air duct plate 31 does not affect the cutting operation of the cutting knife 2, the air pump 32 is driven by the step switch 331 to blow strong air flow into the gas flow controller 33, and the air flow is sprayed from the air nozzle 311 after passing through the inner cavity of the air duct plate 31, the air flow sprayed from the air nozzle 311 on both sides forms an air wall between the worker and the cutting knife 2, the air wall blocks sparks, debris and dust generated in the cutting process, thereby improving the safety of the mechanical material cutting process.

[0069] With reference to Figure 1 , the workbench 1 is provided with two vertically extending mounting rods 17, the two mounting rods 17 are opposite and parallel, and are located on the same straight line and on the side away from the cutting knife 2. The top end of the two mounting rods 17 is provided with a horizontally extending fixing rod 18, the fixing rod 18 has a sliding groove 181 extending along the length direction, the opening of the sliding groove 181 faces away from the cutting knife 2, and the sliding groove 181 is horizontally slidably provided with a mounting block 182, and the mounting block 182 is provided with goggles 19 movable between the air wall and the worker through a damping rotating shaft.

[0070] With reference to Figure 1 , before cutting, the goggles 19 are pulled to move the mounting block 182 in the sliding groove 181, and then the goggles 19 are rotated until the worker's face is shielded, so as to reduce the probability of sparks, debris and dust generated in the cutting process splashing to the worker's face, thereby improving the safety of the mechanical cutting process.

[0071] With reference to Figure 1 and Figure 6 , the workbench 1 is also provided with a cleaning mechanism 5 for cleaning debris, the cleaning mechanism 5 includes a sweeping plate 51, two side sweeping plates 52 and a moving assembly 53, the sweeping plate 51 is arranged on the workbench 1 and extends in the horizontal direction, the sweeping plate 51 is located on the side away from the air duct plate 31 of the cutting knife 2, the extension direction of the sweeping plate 51 is parallel to the extension direction of the fixing rod 18, the length of the sweeping plate 51 is matched with the width of the workbench 1, a plurality of first brushes 511 are fixedly arranged on the lower surface of the sweeping plate 51 in a linear distribution, and the sweeping plate 51 has two guide grooves 512 extending along the length direction.

[0072] With reference to Figure 1 and Figure 6, two side sweeping plates 52 correspond to the guide grooves 512 one by one, the side sweeping plates 52 are horizontally slidably arranged in the corresponding guide grooves 512, the side sweeping plates 52 extend towards the airway plate 31 and the extending direction is perpendicular to the extending direction of the guide grooves 512, the bottom end of the side sweeping plate 52 is provided with a plurality of second brushes 521 arranged in a linear manner, and the guide groove 512 is provided with a second driving member 54 for driving the side sweeping plate 52 to move.

[0073] With reference to Figure 1 and Figure 6 , the second driving member 54 is provided with two and corresponds to the side sweeping plate 52 one by one, and only one second driving member 54 is taken as an example for description below, the second driving member 54 includes a second screw rod 541 and a second motor 542, the second screw rod 541 is rotatably arranged in the guide groove 512 and extends along the extending direction of the guide groove 512, the sliding end of the side sweeping plate 52 is threadedly connected to the second screw rod 541, and the second motor 542 is arranged on the inner wall of the guide groove 512 and the output shaft is in transmission connection with the second screw rod 541; the two second motors 542 are synchronously started to drive the two second screw rods 541 to rotate reversely, so as to drive the two side sweeping plates 52 to move oppositely or reversely.

[0074] In other embodiments, the second driving member 54 includes a double-head motor and two transmission rods with opposite helical lines, the double-head motor is arranged in the middle of the sweeping plate 51, and the two output ends of the double-head motor are respectively towards the two guide grooves 512, the two transmission rods with opposite helical lines are rotatably arranged in the corresponding guide grooves 512, the sliding end of the side sweeping plate 52 is threadedly connected to the corresponding transmission rod, the output end of the double-head motor is in transmission connection with the corresponding transmission rod, and the double-head motor is started to drive the two transmission rods to rotate reversely, so as to drive the two side sweeping plates 52 to move oppositely or reversely.

[0075] With reference to Figure 1 and Figure 6 , the moving assembly 53 is arranged on the workbench 1 and is used for driving the sweeping plate 51 to move, the moving assembly 53 includes a vertical rod 531 and a force bearing rod 532, the vertical rod 531 is provided with two, the two vertical rods 531 are respectively fixedly arranged on the two opposite side walls of the workbench 1 and vertically extend upwards, the vertical rod 531 is provided with a vertical groove 533 extending along the length direction, the two vertical grooves 533 are oppositely arranged, the two vertical grooves 533 are slidably arranged with a horizontal extending cross rod 534, the two ends of the cross rod 534 abut against the inner walls of the two vertical grooves 533, and the vertical groove 533 is provided with a third driving member 55 for driving the cross rod 534 to ascend and descend.

[0076] With reference to Figure 1 and Figure 6The third driving member 55 is provided with two and corresponds to the vertical rod 531 one by one, and only one third driving member 55 is taken as an example for description below. The third driving member 55 comprises a third screw rod 551 and a third motor 552. The third screw rod 551 is rotatably arranged in the vertical groove 533 and extends along the length direction of the vertical groove 533. The sliding end of the cross rod 534 is threadedly connected with the third screw rod 551. The third motor 552 is arranged at the top end of the vertical rod 531. The output end of the third motor 552 extends into the vertical groove 533 and is in transmission connection with the third screw rod 551. The two third motors 552 are synchronously started to drive the two third screw rods 551 to synchronously rotate. The third screw rod 551 drives the cross rod 534 to ascend or descend in the vertical groove 533.

[0077] With reference to Figure 1 and Figure 6 The bearing rod 532 is fixedly arranged at the bottom end of the cross rod 534 and is perpendicular to the extension direction of the cross rod 534. The lower surface of the bearing rod 532 is provided with a bearing groove 535 extending along the length direction. The extension direction of the bearing groove 535 is perpendicular to the extension direction of the fixed rod 18. A connecting rod 536 is slidably arranged in the bearing groove 535. The connecting rod 536 vertically extends downward. The top end of the connecting rod 536 abuts against the inner wall of the bearing groove 535. The bearing groove 535 limits the sliding direction of the connecting rod 536, so that the connecting rod 536 slides along the length direction of the bearing groove 535. The cleaning plate 51 is fixedly arranged at the bottom end of the connecting rod 536. The extension direction of the cleaning plate 51 is perpendicular to the extension direction of the bearing groove 535. The bearing groove 535 is provided with a fourth driving member 56 for driving the connecting rod 536 to slide.

[0078] With reference to Figure 1 and Figure 6 The fourth driving member 56 comprises a fourth screw rod 561 and a fourth motor 562. The fourth screw rod 561 is rotatably arranged in the bearing groove 535 and extends along the length direction of the bearing groove 535. The sliding end of the connecting rod 536 is threadedly connected with the fourth screw rod 561. The fourth motor 562 is arranged on the outer wall of the bearing rod 532 and has an output end extending into the bearing groove 535. The output end of the fourth motor 562 is in transmission connection with the fourth screw rod 561. The fourth motor 562 is started to drive the fourth screw rod 561 to rotate. The fourth screw rod 561 drives the connecting rod 536 to slide in the bearing groove 535, so as to drive the cleaning plate 51 to approach or move away from the cutting knife 2.

[0079] With reference to Figure 1 and Figure 6After the cutting is completed, the fourth motor 562 is started to drive the connecting rod 536 to slide in the bearing groove 535, the connecting rod 536 drives the cleaning plate 51 to move in the direction close to the cutting knife 2, until the cleaning plate 51 is located at the rear side of the cutting knife 2, then the two second motors 542 are synchronously started to drive the two side cleaning plates 52 to move close to each other, until the two side cleaning plates 52 are located at the two sides of the cutting knife 2, then the third motor 552 is started to drive the horizontal rod 534 to move downward in the vertical groove 533, the horizontal rod 534 drives the bearing rod 532 and the connecting rod 536 to move downward, so as to drive the cleaning plate 51 to move downward, until the first brush 511 and the second brush 521 are in contact with the table top of the workbench 1, and the first brush 511 is located at the rear side of the cutting knife 2, and the second brush 521 is located at the two sides of the cutting knife 2.

[0080] With reference to Figure 1 and Figure 6 Then the second motor 542 is reversely rotated to drive the two side cleaning plates 52 to move reversely, so as to clean the debris at the two sides of the cutting knife 2, then the fourth motor 562 is reversely rotated to drive the connecting rod 536 to move reversely, so as to clean the debris at the rear side of the cutting knife 2, so as to improve the cleanliness of the table top of the workbench 1.

[0081] The working principle of the embodiment of the present application is as follows:

[0082] Before cutting, the workbench 1 is pushed to move to the working position, the workbench 1 is positioned by the positioning rod 14, the cutting angle of the cutting knife 2 is adjusted by the cooperation of the rack 42 and the gear 431, then the position of the sliding block 161 is adjusted, so that the positions of the two air channel plates 31 do not affect the cutting operation, then the goggles 19 are pulled to shield the face of the worker, the step switch 331 is started to drive the air pump 32 to blow strong air flow into the air flow controller 33, the air flow is blown out from the air jet nozzles 311 after passing through the inner cavities of the air channel plates 31, the air flows blown out from the air jet nozzles 311 at the two sides form an air wall between the worker and the cutting knife 2, the driving motor 22 is started, the worker pushes the mechanical material to cut, the air wall blocks the sparks, debris and dust generated in the cutting process, so as to improve the safety of the mechanical material cutting process; after the cutting is completed, the table top of the workbench 1 is cleaned by the cleaning plate 51 and the side cleaning plates 52, so as to improve the cleanliness of the table top, thus improving the safety and convenience of the mechanical material cutting process.

[0083] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A machining apparatus, comprising a worktable (1) and a cutting blade (2) rotatably mounted on the worktable (1), characterized in that: The workbench (1) is provided with a protective component (3), the protective component (3) comprising: Two air duct plates (31) are arranged parallel to each other on the workbench (1). The air duct plates (31) have an inner cavity. The air duct plates (31) are provided with a plurality of jet nozzles (311) facing the cutting blade (2) / the other air duct plate (31). The plurality of jet nozzles (311) are arranged sequentially along the length of the air duct plates (31). Two air pumps (32) are provided and correspond one-to-one with the air duct plate (31). The air pumps (32) are located on the workbench (1) and communicate with the inner cavity of the corresponding air duct plate (31). When the air pumps (32) are working, the airflow ejected by the jet nozzle (311) forms an air wall between the cutting blade (2) and the worker to block sparks.

2. The machining apparatus according to claim 1, characterized in that: The worktable (1) has two horizontally extending moving slots (16) located on the same straight line. Each moving slot (16) has a slider (161) slidably disposed therein. The two air passage plates (31) are respectively fixed on different sliders (161). The moving slot (16) is provided with a first driving member (34) to drive the slider (161) to move.

3. The machining apparatus according to claim 2, characterized in that: The first driving element (34) includes: The first lead screw (341) is rotatably disposed in the moving groove (16) and extends along the length direction of the moving groove (16); the slider (161) is threadedly connected to the first lead screw (341). The first motor (342) is located in the moving slot (16) and its output end is connected to the first lead screw (341) for transmission.

4. The machining apparatus according to claim 1, characterized in that: The workbench (1) is provided with a vertically extending mounting rod (17), and the top of the mounting rod (17) is provided with a horizontally extending fixing rod (18). The fixing rod (18) has a sliding groove (181) extending along the length direction. A mounting block (182) is slidably provided in the sliding groove (181). A goggle (19) that can be moved between the air wall and the worker is provided on the mounting block (182) through a damping pivot.

5. The machining apparatus according to claim 4, characterized in that: The workbench (1) is equipped with a cleaning mechanism (5) for cleaning debris, the cleaning mechanism (5) comprising: A cleaning plate (51) is provided on the workbench (1) and extends horizontally. The cleaning plate (51) is located on the side of the cutting blade (2) away from the air passage plate (31). The extension direction of the cleaning plate (51) is parallel to the extension direction of the fixing rod (18). The lower surface of the cleaning plate (51) is provided with a plurality of linearly distributed first brushes (511). The cleaning plate (51) has two guide grooves (512) extending along the length direction. Two side sweeping plates (52) are provided, each corresponding to a guide groove (512). The side sweeping plates (52) are slidably disposed in the guide groove (512). The extension direction of the side sweeping plates (52) is perpendicular to the extension direction of the guide groove (512). The bottom end of the side sweeping plates (52) has a plurality of linearly distributed second brushes (521). The guide groove (512) is provided with a second driving member (54) for driving the side sweeping plates (52) to move. A moving component (53) is disposed on the worktable (1) and is used to drive the cleaning plate (51) to move.

6. The machining apparatus according to claim 5, characterized in that: The moving component (53) includes: A vertical rod (531) is provided on the workbench (1) and extends upward. The vertical rod (531) has a vertical groove (533) extending along the length direction. A horizontally extending crossbar (534) is slidably provided in the vertical groove (533). A third driving member (55) for driving the crossbar (534) to rise and fall is provided in the vertical groove (533). A load-bearing rod (532) is fixed to the bottom end of a crossbar (534) and perpendicular to the extension direction of the crossbar (534). The lower surface of the load-bearing rod (532) has a load-bearing groove (535) extending along the length direction. A connecting rod (536) is slidably provided in the load-bearing groove (535). A cleaning plate (51) is fixed to the bottom end of the connecting rod (536). The extension direction of the cleaning plate (51) is perpendicular to the extension direction of the load-bearing groove (535). A fourth driving member (56) for driving the connecting rod (536) to slide is provided in the load-bearing groove (535).

7. The machining apparatus according to claim 1, characterized in that: The workbench (1) has a rotating groove (21) for the cutting blade (2) to rotate. The upper part of the cutting blade (2) extends upward out of the rotating groove (21). The workbench (1) is provided with an adjustment mechanism (4) for adjusting the cutting angle of the cutting blade (2).

8. The machining apparatus according to claim 7, characterized in that: The adjustment mechanism (4) includes: Two mounting plates (41) are provided on the lower surface of the workbench (1) and located on both sides of the rotating groove (21); A rack (42) is slidably disposed between two mounting plates (41), and a fifth driving member (44) for driving the rack (42) to slide is provided on the mounting plate (41); A connecting plate (43) is fixed on the lower surface of the workbench (1). A gear (431) that meshes with a rack (42) is rotatably mounted on the connecting plate (43). A support plate (45) is coaxially fixed on the top of the gear (431). The cutting blade (2) is rotatably mounted on the support plate (45). A drive motor (22) that drives the cutting blade (2) to rotate is mounted on the support plate (45).

9. A machining apparatus according to claim 8, characterized in that: The edge of the rotating groove (21) has an angle line (23), and the cutting blade (2) is coaxially fixed with a pointer (24) pointing to the angle line (23) on the side away from the motor.

10. A machining apparatus according to claim 1, characterized in that: The workbench (1) has a support column (11) on its lower surface. The support column (11) has a moving wheel (13) at its bottom end. The support column (11) also has a vertically sliding positioning rod (14) at its bottom end. The positioning rod (14) has an anti-slip pad (141) at its bottom end. The support column (11) has a sixth driving component (15) that drives the positioning rod (14) to slide up and down.

Citation Information

Patent Citations

  • Protective device for machining

    CN216066640U