Machining device and method for steel fireproof door

Abstract

The invention relates to the technical field of fireproof door machining, in particular to a machining device and method for a steel fireproof door, and the machining device comprises a conveying platform on which two sets of conveying mechanisms are installed, and the conveying mechanisms are used for adjusting the positions of fireproof door plates on the conveying platform; the cutting mechanism is installed on the conveying platform and comprises a supporting frame installed on the conveying platform, a first push rod is installed on the supporting frame, a tool rest is installed at the output end of the first push rod, and the tool rest is driven by the first push rod to move along the Z axis; the cutting knife is mounted on the knife rest and moves along with the knife rest; the two groups of polishing mechanisms are arranged at the bottom of the conveying platform, and the two groups of polishing mechanisms are driven by a driving assembly; each set of polishing mechanism comprises a polishing block, a first gear and a second gear, and a cylindrical rod is integrated at one end of each polishing block; a rack meshed with the first gear is mounted on the connecting block; and the reciprocating screw rod is rotationally arranged on the connecting block.

Description

Technical Field

[0001] The present application relates to the technical field of fire door processing, and in particular to a processing device and a processing method for a steel fire door. Background Art

[0002] In the production process of steel fire doors, the cutting of plates is an important link. The traditional manual cutting method is not only inefficient, but also difficult to ensure the cutting accuracy and quality. In addition, there are often problems such as burrs on the edges of the cut plates, which require additional grinding. The existing grinding equipment is usually independent of the cutting equipment, and the cut plates need to be moved to the grinding equipment again for processing, which not only increases labor intensity, but also reduces production efficiency.

[0003] In addition, if the debris generated during cutting and grinding is not cleaned up in time, it will not only affect the processing quality, but also pollute the working environment. Traditional chip extraction devices are often inefficient and it is difficult to effectively remove all debris, especially for some fine particles.

[0004] In this regard, the present application proposes a processing device and a processing method for a steel fire door to solve the problem. Summary of the invention

[0005] The purpose of this application is to solve at least one of the technical deficiencies.

[0006] To this end, one purpose of the present application is to propose a processing device and a processing method for a steel fire door to solve the problems mentioned in the background technology and overcome the shortcomings of the prior art.

[0007] In order to achieve the above-mentioned purpose, an embodiment of one aspect of the present application provides a processing device and a processing method for a steel fire door, including: a conveying platform, on which two sets of conveying mechanisms are installed, and the conveying mechanisms are used to adjust the position of the fire door plate on the conveying platform; a cutting mechanism, installed on the conveying platform, including: a support frame, installed on the conveying platform, a first push rod is installed on the support frame, and a tool holder is installed at the output end of the first push rod, and the tool holder moves along the Z axis under the drive of the first push rod; a cutting knife, installed on the tool holder, follows the movement of the tool holder ; Two groups of grinding mechanisms are arranged at the bottom of the conveying platform, and the two groups of grinding mechanisms are driven by a driving assembly; a single group of grinding mechanisms includes: a grinding block, one end of which is integrated with a cylindrical rod, and a first gear is installed on the cylindrical rod; a connecting block, on which a rack meshing with the first gear is installed; a reciprocating screw rod is rotatably arranged on the connecting block, and a slider moving along the Y axis is threadedly arranged on the reciprocating screw rod, and the cylindrical rod is rotatably arranged on the slider; when the reciprocating screw rod rotates, the slider is driven to move, driving the grinding block to move along the Y axis, and the first gear and the gear are connected to each other. The rack drives the grinding block to rotate; a spring, one end of which is mounted on the connecting block and the other end is connected to the bottom of the conveying platform to provide a reset force for the connecting block; two sets of chip extraction mechanisms cooperating with the grinding assembly are arranged on one side of the connecting block and connected to the cylindrical rod through a ratchet assembly to extract the debris generated when the grinding assembly is working; a single set of the chip extraction assembly includes: a chip extraction tube, which is slidably arranged on a guide rod installed on the connecting block, and a centrifugal blade is arranged inside the chip extraction tube, and the centrifugal blade is used to generate centrifugal force to extract chips; a chip collector A frame is installed at the bottom of the chip extraction pipe and is connected to the chip extraction pipe. A drawer is provided in the chip collection frame for collecting debris. A lifting mechanism is provided at the bottom of the conveying platform and is used to lift the position of the grinding mechanism, including: a connecting rod, screws are installed at both ends of the connecting rod, lifting blocks are threadedly provided on the two screws, and a second gear is installed on the screw at one end; a connecting plate, teeth are fixedly provided on it, and the teeth can be disengaged from the second gear. The top of the connecting plate is installed at the bottom of the tool holder and moves synchronously with the tool holder.

[0008] Preferably, any of the above schemes is that a base is installed at the bottom of the conveying platform; two through grooves are provided on the conveying platform for the movement of the grinding block; a positioning groove is also provided on the conveying platform for the sliding setting of the connecting plate; a limit rod is installed at the bottom of the conveying platform, and the connecting block is slidably set on the limit rod, and there are four limit rods in total, which are symmetrically arranged in pairs; it also includes: a PLC controller for receiving signals and issuing instructions; a trigger component for sending signals to the PLC controller, including two positioning blocks, which are symmetrically installed on one of the limit rods in an upper and lower manner, and trigger switches are installed on both of the positioning blocks.

[0009] Preferably, the single group of the conveying mechanism comprises: a fixed frame installed on the conveying platform, a second push rod installed on the fixed frame, a sliding frame installed on the output end of the second push rod, and the sliding frame is slidably arranged on the fixed frame; a conveying roller is rotatably arranged on the sliding frame, and its two ends extend to the outside of the fixed frame; the synchronization component comprises: A large pulley is installed on the end of one of the conveying rollers; a small pulley is installed on the end of the other conveying roller; a synchronous belt is respectively mounted on the large pulley and the small pulley for synchronous transmission; it also includes: a sliding block, which is slidably arranged on the fixed frame, and an output motor is installed on the sliding block; a first bevel gear, and a second bevel gear meshing with it, the first bevel gear is installed on the output end of the output motor, and the second bevel gear is installed on the other end of the conveying roller connected to the large pulley.

[0010] Preferably, any of the above schemes is that a guide groove is provided on the connecting block, and the slider is slidably arranged in the guide groove; the driving mechanism includes: a servo motor, which is controlled by the PLC controller, and the servo motor is installed on one of the connecting blocks; a third bevel gear, and a fourth bevel gear meshing therewith, the third bevel gear is installed on the output end of the servo motor, and the fourth bevel gear is installed on one of the reciprocating screws; a synchronization rod, both ends of which are equipped with a fifth bevel gear; two sixth bevel gears, which are respectively meshed with the two fifth bevel gears, and the two sixth bevel gears are respectively installed on the two reciprocating screws.

[0011] Preferably, the ratchet assembly comprises: a fixing plate mounted on the bottom of the cylindrical rod; An inner ratchet is rotatably arranged in an annular groove provided on the fixed plate; a pawl cooperates with the ratchet teeth of the inner ratchet, and the pawl is mounted on the fixed plate through a rotating rod; a spring plate is mounted on the fixed plate, and the spring plate abuts against the pawl to provide a clamping force for the pawl; a transmission plate is connected to the inner ratchet, and a fixed rod is extended at one end of the transmission plate, a support plate is rotatably arranged on the fixed rod, the support plate is mounted on the slider, and the fixed rod is rotatably arranged on the chip extraction tube.

[0012] Preferably, any of the above schemes includes a single group of chip extraction mechanism further comprising: a seventh bevel gear, and an eighth bevel gear meshing therewith, both of which are arranged in the chip extraction tube, wherein the seventh bevel gear is mounted on a fixed rod, a cross bar is installed at the axis of the eighth bevel gear, one end of the cross bar is rotatably arranged on a positioning plate in the chip extraction tube, and the other end of the cross bar is connected to a centrifugal blade; a filter screen is installed in the chip extraction tube to block the debris.

[0013] Preferably, any of the above schemes is that a vertical plate is rotatably provided on the screw rod, and the vertical plate is installed at the bottom of the conveying platform; one end of the lifting block is an inclined surface, and the inclined surface is in tangential contact with the connecting block.

[0014] A method for processing a steel fire door processing device comprises the following steps: S1: placing the fire door sheet to be cut on the conveying platform; S2: Start the second push rod to drive the slide frame to move, so that the conveying roller contacts the fire door plate, start the output motor to drive the conveying roller to rotate, and the rotation speeds of the two conveying rollers are different, so as to drive the cut plate to form a movement difference with the plate before cutting, and then move the cut plate to the designated grinding position; S3: After the sheet material is transported, the first push rod is started to drive the tool holder to move, and the cutting knife is driven to move along the Z axis to perform cutting; S4: The movement of the tool holder in S3 drives the connecting plate to move synchronously, and the teeth on the connecting plate drive the second gear to rotate, drive the screw to move, move the lifting block, drive the connecting block to move, and make the grinding block contact with the fire door plate; S5: When the connecting block in S4 moves to contact the positioning block, the trigger switch is pressed to start the servo motor, so that the reciprocating screw rotates, driving the grinding block to move and the grinding block to rotate synchronously with the cooperation of the rack and the first gear to perform grinding; S6: The grinding block in S5 rotates synchronously with the centrifugal blades to extract the debris generated during the grinding process through the chip extraction pipe; S7: After cutting is completed, reset is performed, the above S2, S3, S4 and S5 all perform reset movement, and S6 does not work.

[0015] Compared with the prior art, the advantages and beneficial effects of this application are: 1. This device integrates the conveying, cutting and grinding functions of the plate on one platform, realizes automatic continuous production, greatly improves the processing efficiency, and ensures the accuracy and consistency of cutting through the precise positioning and adjustment of the conveying mechanism.

[0016] 2. The plate is transported by the conveying mechanism, cut by the cutting mechanism, and simultaneously driven by the lifting mechanism to drive the grinding mechanism to the grinding position. After the grinding mechanism moves upward, the driving mechanism is started by the trigger component to drive the grinding mechanism to work. The grinding mechanism simultaneously drives the chip extraction mechanism to work during the movement. The entire processing process is completed automatically by the equipment, which reduces the manual operation links, reduces the labor intensity, and improves production safety.

[0017] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which: Figure 1 It is a schematic diagram of a first viewing angle according to an embodiment of the present application; Figure 2 According to the embodiment of the present application Figure 1 The enlarged schematic diagram at A in the middle; Figure 3 It is a schematic diagram of a second viewing angle according to an embodiment of the present application; Figure 4 It is a partial schematic diagram according to an embodiment of the present application; Figure 5 According to the embodiment of the present application Figure 4 The enlarged schematic diagram of point B in the middle; Figure 6 It is a partial cross-sectional schematic diagram according to an embodiment of the present application; Figure 7 is a cross-sectional schematic diagram of a fixing frame according to an embodiment of the present application; Figure 8 It is a schematic diagram of the linkage of components according to an embodiment of the present application; Fig. 9 This is a schematic diagram of the connection of the grinding block according to an embodiment of the present application; Fig.10 According to the embodiment of the present application Fig. 9 The enlarged schematic diagram at C in the middle; Fig.11 This is a top view schematic diagram of a connecting block according to an embodiment of the present application; Fig.12 According to the embodiment of the present application Fig.11 The enlarged schematic diagram at D in the middle; Fig.13 A schematic cross-sectional view of a chip extraction tube according to an embodiment of the present application; Fig.14 A schematic diagram of a ratchet explosion according to an embodiment of the present application; Fig.15 This is a schematic diagram of the connection of the lifting block according to an embodiment of the present application.

[0019] In the figure: 1, conveying platform, 101, base, 2, conveying mechanism, 201, fixed frame, 202, second push rod, 203, sliding frame, 204, conveying roller, 3, cutting mechanism, 301, support frame, 302, first push rod, 303, knife holder, 304, cutting knife, 4, grinding mechanism, 401, grinding block, 402, cylindrical rod, 403, first gear, 404, connecting block, 405, rack, 406, reciprocating screw rod, 407, slider, 408, spring, 5, chip extraction mechanism, 501, chip extraction tube, 502, centrifugal blade, 503, chip collection frame, 504, drawer, 505, seventh bevel gear, 506, eighth bevel gear, 507, cross bar, 50 8. Filter, 6. Ratchet assembly, 601. Fixed plate, 602. Inner ratchet, 603. Paw, 604. Transmission plate, 605. Fixed rod, 606. Support plate, 7. Lifting mechanism, 701. Connecting rod, 702. Screw, 703. Second gear, 704. Connecting plate, 705. Lifting block, 8. Trigger assembly, 801. Positioning plate, 802. Trigger switch, 9. Drive assembly, 901. Servo motor, 902. Third bevel gear, 903. Fourth bevel gear, 904. Synchronous rod, 905. Fifth bevel gear, 906. Sixth bevel gear, 10. Limit rod, 11. Sliding block, 12. Output motor, 13. First bevel gear, 14. Second bevel gear. DETAILED DESCRIPTION

[0020] like Figures 1 to 15 As shown, a processing device and a processing method for a steel fire door include a conveying platform 1, a conveying mechanism 2, a cutting mechanism 3, a grinding mechanism 4, a chip extraction mechanism 5, a ratchet assembly 6, a lifting mechanism 7, a PLC controller (not shown), a trigger assembly 8 and a driving assembly 9.

[0021] Furthermore, a base 101 is installed at the bottom of the conveying platform 1; The conveying platform 1 is provided with two through grooves; The conveying platform 1 is also provided with a positioning groove; The bottom of the conveying platform 1 is provided with limit rods 10 , and there are four limit rods 10 in total, which are symmetrically arranged in pairs, and two of them form a group.

[0022] Furthermore, the conveying mechanism 2 has two groups, both of which are installed on the conveying platform 1, and a single group of the conveying mechanism 2 includes: A fixed frame 201 is installed on the conveying platform 1, a second push rod 202 is installed on the fixed frame 201, a sliding frame 203 is installed at the output end of the second push rod 202, and the sliding frame 203 is slidably arranged on the fixed frame 201; The conveying roller 204 is rotatably mounted on the sliding frame 203, and both ends of the conveying roller 204 extend to the outside of the fixed frame 201; The second push rod 202 can be an electric push rod, a pneumatic push rod or a hydraulic push rod, and the second push rods 202 in the two groups of the conveying mechanisms 2 move synchronously.

[0023] Furthermore, the conveying mechanism 2 is provided with components for its movement, including: There are two sliding blocks 11, which are slidably disposed on the two fixing frames 201 respectively. The sliding blocks 11 are equipped with output motors 12. The output forces of the two output motors 12 are different, and the purpose is to form a differential speed. Two first bevel gears 13 and a second bevel gear 14 meshing therewith are respectively mounted on the output ends of the two output motors 12 , and the second bevel gear 14 is mounted on the end of one of the conveying rollers 204 .

[0024] Furthermore, the cutting mechanism 3 is installed on the conveying platform 1 and includes: A support frame 301 is installed on the conveying platform 1. A first push rod 302 is installed on the support frame 301. A tool holder 303 is installed at the output end of the first push rod 302. The tool holder 303 moves along the Z axis under the drive of the first push rod 302. The cutting knife 304 is mounted on the knife holder 303 and moves along with the knife holder 303 .

[0025] The first push rod 302 can be an electric push rod, a pneumatic push rod or a hydraulic push rod. The first push rod 302 drives the knife holder 303 to move, thereby driving the cutting knife 304 to move.

[0026] Furthermore, the grinding mechanism 4 has two groups, which are driven simultaneously by the driving assembly 9 and are both arranged at the bottom of the conveying platform 1. A single group of the grinding mechanism 4 includes: A grinding block 401, one end of which is integrated with a cylindrical rod 402, on which a first gear 403 is mounted, and the grinding block 401 is movably arranged in the through groove; A connecting block 404 on which a rack 405 meshing with the first gear 403 is mounted; A reciprocating screw rod 406 is rotatably disposed on the connecting block 404, a slider 407 that moves along the Y axis is threadedly disposed on the reciprocating screw rod 406, and the cylindrical rod 402 is rotatably disposed on the slider 407; A spring 408, one end of which is mounted on the connecting block 404 and the other end of which is connected to the bottom of the conveying platform 1, provides a force for resetting the connecting block 404. When the lifting block 705 is reset, the connecting block 404 is pushed to reset under the force of the spring 408; The connecting block 404 is slidably disposed on the limiting rod 10, and a guide groove is provided on the connecting block 404, and the sliding block 407 is slidably disposed in the guide groove; The limiting rod 10 limits the movement trajectory of the connecting block 404 , so that the connecting block 404 moves along the limiting rod 10 .

[0027] Furthermore, the chip extraction mechanism 5 also consists of two groups, which are used in conjunction with the grinding mechanism 4. A single group of the chip extraction mechanism 5 includes: A chip extraction tube 501 is slidably disposed on a guide rod mounted on the connection block 404. A centrifugal blade 502 is disposed inside the chip extraction tube 501. The centrifugal blade 502 is used to generate centrifugal force to extract chips. The guide rod limits the movement trajectory of the chip extraction tube 501. A chip collecting frame 503 is installed at the bottom of the chip extraction pipe 501 and is connected to the chip extraction pipe 501. A drawer 504 is provided in the chip collecting frame 503 for collecting debris, wherein one end of the drawer 504 is detachably arranged on the chip collecting frame 503 by a countersunk screw to prevent the drawer 504 from being separated from the chip collecting frame 503 when the chip collecting frame 503 moves; Specifically, the two chip extraction pipes 501 are connected to a chip collection frame 503; Also includes: The seventh bevel gear 505 and the eighth bevel gear 506 meshing therewith are both arranged in the chip extraction tube 501, wherein a cross bar 507 is installed at the axis of the eighth bevel gear 506, one end of the cross bar 507 is rotatably arranged on the positioning plate 801 in the chip extraction tube 501, and the other end of the cross bar 507 is connected to the centrifugal blade 502; The filter screen 508 is installed in the chip extraction pipe 501 to block the chips and prevent the chips from entering the centrifugal blades 502 .

[0028] Furthermore, there are two groups of ratchet assemblies 6, which are arranged between the grinding mechanism 4 and the chip extraction mechanism 5, and are used to control the one-way transmission of force. A single group of ratchet assemblies 6 includes: A fixing plate 601 is mounted on the bottom of the cylindrical rod 402; An inner ratchet 602 is rotatably disposed in an annular groove formed on the fixing plate 601; A pawl 603, which cooperates with the ratchet teeth of the inner ratchet wheel 602, and the pawl 603 is mounted on the fixed plate 601 through a rotating rod; A spring plate, mounted on the fixed plate 601, the spring plate abuts against the pawl 603 to provide a tightening force for the pawl 603; The transmission plate 604 is connected to the inner ratchet 602, and a fixed rod 605 is extended at one end of the transmission plate 604. A support plate 606 is rotatably provided on the fixed rod 605, and the support plate 606 is installed on the slider 407. The fixed rod 605 is rotatably provided on the chip extraction tube 501, and one end of the fixed rod 605 is connected to the seventh bevel gear 505.

[0029] Furthermore, in order to drive the grinding assembly to rise to a designated grinding position, a lifting mechanism 7 is provided for lifting the grinding assembly to move, and the lifting mechanism 7 includes: A connecting rod 701, wherein screw rods 702 are installed at both ends of the connecting rod 701, and lifting blocks 705 are threadedly provided on the two screw rods 702, and a second gear 703 is installed on the screw rod 702 at one end; A connecting plate 704, on which teeth are fixedly provided, and the teeth can be disengaged from the second gear 703, the top of the connecting plate 704 is installed at the bottom of the tool holder 303, and moves synchronously with the tool holder 303, and the connecting plate 704 is slidably arranged in the positioning groove; A vertical plate is rotatably provided on the screw rod 702, and the vertical plate is installed at the bottom of the conveying platform 1; One end of the lifting block 705 is an inclined surface, and the inclined surface is in tangential contact with the connecting block 404 .

[0030] Furthermore, the PLC controller is used to receive signals and issue instructions.

[0031] Furthermore, in order to start the driving assembly 9 when the grinding mechanism 4 is lifted, a trigger assembly 8 is provided, including two positioning blocks, which are symmetrically installed on one of the limit rods 10, and the two positioning blocks are both installed with a trigger switch 802; The trigger switch 802 is connected to the PLC controller and is used to send a signal to the PLC controller.

[0032] Furthermore, a driving component 9 is provided for driving the grinding mechanism 4 by issuing instructions through a PLC controller, including: A servo motor 901 is controlled by the PLC controller, and the servo motor 901 is installed on one of the connecting blocks 404; A third bevel gear 902 and a fourth bevel gear 903 meshing therewith, wherein the third bevel gear 902 is mounted on the output end of the servo motor 901, and the fourth bevel gear 903 is mounted on one of the reciprocating screw rods 406; A synchronization rod 904, both ends of which are equipped with fifth bevel gears 905; The two sixth bevel gears 906 are respectively meshed with the two fifth bevel gears 905 , and the two sixth bevel gears 906 are respectively mounted on the two reciprocating screw rods 406 .

[0033] A processing device and a processing method for a steel fire door, the working principle is as follows: 1) Place the fire door sheet to be cut on the conveying platform 1; 2) Start the second push rod 202 to drive the slide frame to move, so that the conveying roller 204 contacts the fire door plate, start the output motor 12, drive the first bevel gear 13 to rotate, drive the second bevel gear 14 meshing therewith to rotate, and the second bevel gear 14 drives the conveying roller 204 to move. The output speeds of the two output motors 12 are different, so the speeds of the two conveying rollers 204 are different. The purpose is to drive the cut plate to form a movement difference with the plate before cutting, so that the cut plate moves to the designated grinding position; 3) After the sheet stops being transported (i.e. stops at a designated position, at which time the transport roller 204 plays the role of pressing the sheet), the first push rod 302 is started, and the first push rod 302 drives the knife holder 303 to move, and drives the cutting knife 304 to move along the Z axis to cut the sheet; 4), the tool holder 303 in the above 3) drives the connecting plate 704 to move while running, and the teeth on the connecting plate 704 drive the second gear 703 to rotate, driving the screw 702 to move, and the screw 702 drives the lifting block 705 to move, and the position of the inclined surface on the lifting block 705 and the connecting block 404 is constantly changing, thereby driving the connecting block 404 to rise, and driving the grinding block 401 to rise to the grinding station (Note: the above mentioned grinding block 401 is in contact with the plate, but it is not in direct contact at this time, but the outer wall of the grinding block 401 is on the same line as the plate, but there is a gap between the initial lifting position of the grinding block 401 and the plate, which is specifically explained as two vertical sections on the outer wall of the grinding block 401, one of which is in the same plane as the surface to be ground on the plate, and the other is parallel to the non-grinding surface of the plate); 5) When the connecting block 404 in the above 4) runs to contact with the positioning block, the trigger switch 802 is pressed and fed back to the PLC controller, and the PLC controller starts the servo motor 901 (Note: the running time and speed of the servo motor 901 are preset. In this device, it is set that after the cutting knife 304 finishes cutting, the grinding block 401 can run from one end to the other end). The servo motor 901 drives the third bevel gear 902 to rotate, drives the fourth bevel gear 903 to rotate, and then drives the reciprocating screw rod 406 to rotate. The reciprocating screw rod 406 drives the slider 407 to move, drives the grinding block 401 to move, and the grinding block 401 drives the cylindrical rod 402 to rotate. The cylindrical rod 402 drives the first gear 403 to move on the rack 405. The grinding block 401 rotates synchronously with the cooperation of the rack 405 to grind and polish the cut surface of the cut plate; 6) The rotation of the grinding block 401 in the above 5) is transmitted to the fixed plate 601 by the cylindrical rod 402, driving the fixed plate 601 to rotate. In this rotation direction, the inner ratchet 602 is driven, driving the transmission plate 604 to rotate, driving the fixed rod 605 to rotate, the fixed rod 605 drives the seventh bevel gear 505 to rotate, driving the eighth bevel gear 506 to rotate, the eighth bevel gear 506 drives the cross bar 507, driving the centrifugal blade 502 to rotate, and the debris generated during the grinding process is extracted through the chip extraction tube 501; 7) After the cutting is completed, the cutting is reset, and the above steps 2, 3, 4 and 5 are reset (reverse movement), and the fixed rod 605 in step 6 does not move, and the chip extraction mechanism 6 does not work; 8) Repeat the above steps 1) to 8).

Claims

1. A processing device and a processing method for a steel fire door, characterized in that: include: A conveying platform, on which two sets of conveying mechanisms are installed, and the conveying mechanisms are used to adjust the position of the fire door panels on the conveying platform; The cutting mechanism is installed on the conveying platform and includes: A support frame is installed on the conveying platform, a first push rod is installed on the support frame, a tool holder is installed at the output end of the first push rod, and the tool holder moves along the Z axis under the drive of the first push rod; A cutting knife is mounted on the knife holder and moves with the knife holder; Two groups of grinding mechanisms are arranged at the bottom of the conveying platform, and the two groups of grinding mechanisms are driven by a driving assembly; Single set grinding mechanism includes: A grinding block, one end of which is integrated with a cylindrical rod, and a first gear is mounted on the cylindrical rod; A connecting block, on which a rack meshing with the first gear is mounted; A reciprocating screw rod is rotatably arranged on the connecting block, a slider moving along the Y axis is threadedly arranged on the reciprocating screw rod, and the cylindrical rod is rotatably arranged on the slider; When the reciprocating screw rotates, the slider is driven to move, driving the grinding block to move along the Y axis, and the grinding block is driven to rotate under the cooperation of the first gear and the rack; A spring, one end of which is mounted on the connection block and the other end of which is connected to the bottom of the conveying platform, to provide a resetting force for the connection block; Two sets of chip extraction mechanisms cooperating with the grinding assembly are arranged on one side of the connecting block and connected to the cylindrical rod through a ratchet assembly, and are used to extract the debris generated when the grinding assembly is working; A single set of the chip extraction assembly comprises: A chip extraction pipe is slidably arranged on a guide rod mounted on the connecting block, wherein a centrifugal blade is arranged inside the chip extraction pipe, and the centrifugal blade is used to generate centrifugal force to extract chips; A chip collecting frame is installed at the bottom of the chip extraction pipe and is connected to the chip extraction pipe. A drawer is provided in the chip collecting frame for collecting debris. The lifting mechanism is arranged at the bottom of the conveying platform and is used to lift the position of the grinding mechanism, including: A connecting rod, wherein screw rods are installed at both ends of the connecting rod, lifting blocks are threadedly arranged on the two screw rods, and a second gear is installed on the screw rod at one end; A connecting plate is fixedly provided with teeth, the teeth can be disengaged from the second gear, and the top of the connecting plate is installed at the bottom of the tool holder and moves synchronously with the tool holder.

2. A processing device for a steel fire door according to claim 1, characterized in that: A base is installed at the bottom of the conveying platform; The conveying platform is provided with two through slots for the grinding block to move; The conveying platform is also provided with a positioning groove for the connecting plate to slide and set; A limit rod is installed at the bottom of the conveying platform, and the connecting block is slidably arranged on the limit rod. There are four limit rods in total, which are symmetrically arranged in pairs. Also includes: PLC controller, used to receive signals and issue instructions; The trigger component is used to send a signal to the PLC controller, and includes two positioning blocks, which are symmetrically installed on one of the limit rods in an upper and lower manner, and trigger switches are installed on the two positioning blocks.

3. The processing device for a steel fire door according to claim 1, characterized in that: A single set of the conveying mechanism comprises: A fixed frame is installed on the conveying platform, a second push rod is installed on the fixed frame, a sliding frame is installed on the output end of the second push rod, and the sliding frame is slidably arranged on the fixed frame; A conveying roller is rotatably mounted on the sliding frame, and both ends of the conveying roller extend to the outside of the fixed frame; Also includes: A sliding block is slidably arranged on the fixing frame, and an output motor is installed on the sliding block; A first bevel gear and a second bevel gear meshing therewith, wherein the first bevel gear is mounted on the output end of the output motor, and the second bevel gear is mounted on the other end of the conveying roller connected to the large pulley.

4. A processing device for a steel fire door according to claim 2, characterized in that: The connecting block is provided with a guide groove, and the sliding block is slidably arranged in the guide groove; The driving mechanism comprises: A servo motor, controlled by the PLC controller, the servo motor being mounted on one of the connection blocks; a third bevel gear, and a fourth bevel gear meshing therewith, wherein the third bevel gear is mounted on the output end of the servo motor, and the fourth bevel gear is mounted on one of the reciprocating screw rods; A synchronization rod, both ends of which are equipped with fifth bevel gears; The two sixth bevel gears are respectively meshed with the two fifth bevel gears, and the two sixth bevel gears are respectively mounted on the two reciprocating screw rods.

5. The processing device for a steel fire door according to claim 1, characterized in that: The ratchet assembly comprises: A fixing plate, mounted on the bottom of the cylindrical rod; An inner ratchet wheel is rotatably disposed in a ring groove formed on the fixing plate; A pawl, matched with the ratchet teeth of the inner ratchet wheel, the pawl being mounted on the fixed plate via a rotating rod; A spring plate is mounted on the fixed plate, the spring plate abuts against the pawl to provide a tightening force for the pawl; A transmission plate is connected to the inner ratchet, one end of the transmission plate is extended with a fixing rod, a support plate is rotatably provided on the fixing rod, the support plate is installed on the sliding block, and the fixing rod is rotatably provided on the chip extraction tube.

6. A processing device for a steel fire door according to claim 5, characterized in that: The single set of chip extraction mechanism also includes: The seventh bevel gear and the eighth bevel gear meshing therewith are both arranged in the chip extraction tube, wherein the seventh bevel gear is mounted on the fixed rod, a cross bar is mounted at the axis of the eighth bevel gear, one end of the cross bar is rotatably arranged on the positioning plate in the chip extraction tube, and the other end of the cross bar is connected to the centrifugal blade; A filter screen is installed in the chip extraction pipe to block the chips.

7. The processing device for a steel fire door according to claim 1, characterized in that: A vertical plate is rotatably provided on the screw rod, and the vertical plate is installed at the bottom of the conveying platform; One end of the lifting block is an inclined surface, and the inclined surface is in tangential contact with the connecting block.

8. The method for processing a steel fire door processing device according to claims 1 to 7 comprises the following steps: S1: placing the fire door sheet to be cut on the conveying platform; S2: Start the second push rod to drive the slide frame to move, so that the conveying roller contacts the fire door plate, start the output motor to drive the conveying roller to rotate, and the rotation speeds of the two conveying rollers are different, so as to drive the cut plate to form a movement difference with the plate before cutting, and then move the cut plate to the designated grinding position; S3: After the sheet material is transported, the first push rod is started to drive the tool holder to move, and the cutting knife is driven to move along the Z axis to perform cutting; S4: The movement of the tool holder in S3 drives the connecting plate to move synchronously, and the teeth on the connecting plate drive the second gear to rotate, drive the screw to move, move the lifting block, drive the connecting block to move, and make the grinding block contact with the fire door plate; S5: When the connecting block in S4 moves to contact the positioning block, the trigger switch is pressed to start the servo motor, so that the reciprocating screw rotates, driving the grinding block to move and the grinding block to rotate synchronously with the cooperation of the rack and the first gear to perform grinding; S6: The grinding block in S5 rotates synchronously with the centrifugal blades to extract the debris generated during the grinding process through the chip extraction pipe; S7: After cutting is completed, reset is performed, the above S2, S3, S4 and S5 all perform reset movement, and S6 does not work.

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