Fireproof door plate cutting mechanism
By designing the roller and roller conveying mechanism and positioning components, the problem of movement and positioning of fire door panels during the cutting process was solved, achieving stable conveying, precise cutting and waste collection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-12
- Publication Date
- 2026-04-10
AI Technical Summary
Existing fire door panel cutting devices have shortcomings in terms of movement and positioning, which can easily lead to surface scratches and low cutting accuracy.
The system employs a roller and roller conveyor mechanism in conjunction with positioning components and a plasma cutter. The door panel is conveyed to the cutting position via rollers, and is stably positioned using positioning plates and ball bearings. Waste chips are collected using a collection box.
It achieves stable conveying and precise cutting of door panels, avoids surface scratches, and facilitates waste collection, thus improving the convenience and accuracy of cutting.
Smart Images

Figure CN224102041U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fireproof door processing technical field especially relates to a fireproof door board cutting mechanism. BACKGROUND
[0002] The fireproof door is a kind of door with fireproof function, is used to prevent fire spread and protect the safety facilities of escape passage.CNC cutting can be used to process the steel and other metal parts of fireproof door, and CNC cutting machine controls the movement of cutting head according to instruction to cut metal material at high speed.
[0003] Patent network discloses a kind of production steel fireproof door with precision cutting device (announcement number: CN 213379786U), it increases the collection effect of the scrap produced by steel fireproof door cutting, increases convenience, improves practicability;Including chassis, workbench, first sliding seat, first motor, first rack, crossbeam, second rack, second sliding seat, second motor, second motor, third sliding seat, plasma cutting machine, inverted bucket and discharge pipe, the bottom end of workbench is connected with the top end of chassis, the bottom end of first sliding seat is slidably connected with the top end of workbench, first motor is installed on first sliding seat, the output end of first motor is provided with first gear, first rack is installed on workbench, first gear is meshed with first rack, the bottom end of crossbeam is connected with the top end of first sliding seat, second rack is installed on crossbeam, the bottom end of second sliding seat is slidably connected with the top end of crossbeam, the bottom end of second motor is connected with the top end of second sliding seat.
[0004] The above-mentioned technology has the following problems in use: 1, although the workbench of lattice shape is convenient for discharging scrap, but it is inconvenient for the movement of door plate in the workbench, even easy to scratch the surface of door plate, or damage the workbench;2, cutting position does not have positioning mechanism, and then easy to cause shaking when cutting, influence cutting precision.Therefore, there is room for improvement. UTILITY MODEL CONTENTS
[0005] The utility model provides a kind of fireproof door board cutting mechanism to solve the problem raised in background art.
[0006] In order to solve the above problems, the utility provides a kind of fireproof door plate cutting mechanism, including chassis, conveying mechanism, cutting mechanism, the chassis is slidably installed with a portal frame, the outside one side of the chassis is equipped with first rack, the one side of the portal frame is fixedly installed with first motor, and the output shaft of first motor is equipped with the first gear meshing with first rack, the conveying mechanism is located in chassis, the conveying mechanism is made of several roller shafts and second motor, the several roller shafts are equidistantly rotatably installed in chassis, and the several roller shafts are connected with each other by belt, the equidistantly installed several rollers in roller shaft, the outside one side of the chassis is equipped with the second motor connected with the outermost roller shaft, the cutting mechanism is slidably installed in portal frame, the cutting mechanism is made of first telescopic rod, third motor, plasma cutting mechanism, the two guide rods are symmetrically provided in the portal frame, and the second rack is provided at the top of the portal frame, the guide rod is slidably connected with a sliding block, the third motor is installed on the top of sliding block, and the second gear meshing with second rack is installed on the power output shaft of third motor, the first telescopic rod is installed at the bottom of sliding block, and the positioning member is installed on the telescopic end of first telescopic rod, the plasma cutting machine is installed in positioning member, the bottom of the chassis is equipped with a bucket-shaped collection box.
[0007] Preferably: the two sides of the chassis are respectively provided with a sliding groove, and two semicircular sliding strips are symmetrically arranged on the two sides of the sliding groove.
[0008] Preferably: the bottom of the sliding block is symmetrically provided with four second telescopic rods around the plasma cutting machine, and the positioning plate is installed on the telescopic end of the second telescopic rod.
[0009] Preferably: the two sides of the inside of the chassis are respectively equipped with L-shaped protective plates at the two ends of the roller shaft.
[0010] The beneficial effects of the above technical scheme are:
[0011] 1, through the second motor cooperates with belt to make several roller shafts synchronous rotation, so that the door plate placed on the roller moves, and then moves to the position convenient for cutting, while avoiding the scratch of door plate surface.
[0012] 2, through the setting of roller shaft and roller, the waste produced during cutting can fall into the collection box from the gap between roller shaft and roller, so as to facilitate centralized processing, avoid the accumulation of waste to affect the cutting of door plate.
[0013] 3. The door panel can be squeezed and positioned during cutting by the four second telescopic rods surrounding the plasma cutter and the positioning plate, thereby ensuring the cutting accuracy. The ball bearings make it easy for the positioning plate to move with the plasma cutter while positioning the door panel. Attached Figure Description
[0014] Figure 1 This is a three-dimensional structural diagram of the present invention.
[0015] Figure 2 This is a three-dimensional structural schematic diagram of the present invention from another perspective.
[0016] Figure 3 This utility model Figure 2 A magnified structural diagram of part A in the diagram.
[0017] Figure 4 This utility model Figure 2 A magnified structural diagram of part B in the diagram.
[0018] Figure 5 This is a top view of the structure of this utility model.
[0019] Wherein: 1-base frame; 11-first rack; 12-first motor; 13-first gear; 14-slide groove; 15-slide bar; 2-conveying mechanism; 21-roller shaft; 22-second motor; 23-belt; 24-roller; 25-protective plate; 3-cutting mechanism; 31-first telescopic rod; 32-third motor; 33-plasma cutter; 34-second gear; 35-positioning component; 36-second telescopic rod; 37-positioning plate; 38-ball bearing; 4-gantry frame; 41-guide rod; 42-second rack; 43-slider; 44-connecting seat; 5-collection box. Detailed Implementation
[0020] The embodiments of this utility model are described in detail below with reference to the accompanying drawings.
[0021] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0022] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, term "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, movable connection or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium.
[0023] As Figures 1-5 In the embodiment, a fireproof door plate cutting mechanism, including chassis 1, conveying mechanism 2, cutting mechanism 3, the gantry 4 is slidably installed on the chassis 1, the first rack 11 is installed on the outside one side of the chassis 1, the first motor 12 is fixedly installed on one side of the gantry 4, and the output shaft of the first motor 12 is provided with the first gear 13 engaged with the first rack 11, the conveying mechanism 2 is arranged in the chassis 1, the conveying mechanism 2 is composed of a plurality of roller shafts 21 and second motor 22, the plurality of roller shafts 21 are equidistantly rotatably installed in the chassis 1, and the plurality of roller shafts 21 are connected with each other through the belt 23, a plurality of rollers 24 are equidistantly installed in the roller shaft 21, the second motor 22 is installed on the outside one side of the chassis 1 and connected with the outermost roller shaft 21, the cutting mechanism 3 is slidably installed in the gantry 4, the cutting mechanism 3 is composed of the first telescopic rod 31, the third motor 32 and the plasma cutting machine 33, two guide rods 41 are symmetrically arranged in the gantry 4, and the second rack 42 is arranged at the top of the gantry 4, a sliding block 43 is slidably connected in the guide rod 41, the third motor 32 is installed on the top of the sliding block 43, and the second gear 34 engaged with the second rack 42 is installed on the power output shaft of the third motor 32, the first telescopic rod 31 is installed at the bottom of the sliding block 43, and the telescopic end of the first telescopic rod 31 is provided with the positioning piece 35, the plasma cutting machine 33 is installed in the positioning piece 35, and the bottom of the chassis 1 is provided with the hopper-shaped collecting box 5.
[0024] Through the technical scheme, the door plate is placed on the roller 24 in the conveying mechanism 2 in the bottom frame 1, the roller shaft 21 driven by the second motor 22 is rotated, all the roller shafts 21 are synchronously rotated through cooperation of the belt 23, the door plate is sent to a proper cutting position, and the discharging after cutting is facilitated, the first gear 13 is rotated through the first motor 12, the gantry 4 is moved on the bottom frame 1 through cooperation of the first rack 11, the cutting mechanism 3 is longitudinally moved, the slider 43 is transversely moved in the guide rod 41 through cooperation of the second gear 34 and the second rack 42 driven by the third motor 32, the cutting mechanism 3 is transversely moved, the plasma cutting machine 33 in the cutting mechanism 3 is facilitated to cut at any position, the convenience of cutting is improved, the roller shaft 21 and the roller 24 are arranged to facilitate the movement of the door plate, and the surface of the door plate is prevented from being scratched and damaged, the roller shaft 21 and the roller 24 are equidistantly arranged, the waste produced during cutting is facilitated to fall into the collecting box 5 through the gap, centralized collection and treatment are facilitated, and the cutting of the door plate is not affected by the accumulation.
[0025] Preferably, the bottom frame 1 is provided with a sliding groove 14 on each side, and two semicircular sliding strips 15 are symmetrically arranged on the two sides of the sliding groove 14.
[0026] Through the technical scheme, the connecting seat 44 cooperates with the sliding groove 14 and the sliding strip 15 to limit the movement of the gantry 4 in the bottom frame 1, thereby ensuring the stability of the movement of the gantry 4.
[0027] Preferably, four second telescopic rods 36 are symmetrically arranged around the plasma cutting machine 33 at the bottom of the slider 43, a positioning plate 37 is arranged at the telescopic end of the second telescopic rod 36, and a plurality of ball bearings 38 are rotatably arranged on the bottom surface of the positioning plate 37.
[0028] Through the technical scheme, when cutting is needed, the second telescopic rod 36 drives the positioning plate 37 to move downward, the ball bearings 38 of the positioning plate 37 abut against the surface of the door plate, the stability of the door plate is ensured, the cutting precision is improved, and the movement of the cutting mechanism 3 is not hindered, so that the stability of the door plate is ensured when the cutting mechanism 3 moves.
[0029] Preferably, protective plates 25 are arranged at the two ends of the roller shaft 21 on the two sides of the bottom frame 1.
[0030] Through the technical scheme, the protective plates 25 are arranged to prevent the waste produced during cutting from falling into the connection position of the belt 23 at the end of the roller shaft 21, thereby ensuring the stability of the rotation of the roller shaft 21.
[0031] Finally, it should be noted that: the above implementation cases are only used to illustrate the present application, and not to limit the technical solutions described in the present application; therefore, although the present application has been described in detail with reference to the above-mentioned various embodiments, those skilled in the art should understand that the present application can still be modified or replaced by the equivalent, and all technical solutions and improvements that do not deviate from the spirit and scope of the present application should be covered in the scope of the claims of the present application; the technology not described in detail in the present application is realized by the prior art.
Claims
1. A fire door slab cutting mechanism comprising a chassis, a conveying mechanism, a cutting mechanism, characterized in that: The gantry is slidably installed on the chassis, a first rack is installed on one side of the chassis, a first motor is fixedly installed on one side of the gantry, a first gear meshing with the first rack is installed on the output shaft of the first motor, the conveying mechanism is arranged in the chassis, the conveying mechanism is composed of a plurality of roller shafts and a second motor, the roller shafts are equidistantly rotatably installed in the chassis and are connected with each other by a belt, a plurality of rollers are equidistantly installed in the roller shafts, a second motor connected with the outermost roller shaft is installed on one side of the chassis, the cutting mechanism is slidably installed in the gantry, the cutting mechanism is composed of a first telescopic rod, a third motor and a plasma cutting mechanism, two guide rods are symmetrically arranged in the gantry, a second rack is arranged at the top of the gantry, a sliding block is slidably connected in the guide rods, the third motor is installed on the top of the sliding block, a second gear meshing with the second rack is installed on the power output shaft of the third motor, the first telescopic rod is installed at the bottom of the sliding block, a positioning member is installed on the telescopic end of the first telescopic rod, the plasma cutting machine is installed in the positioning member, and a bucket-shaped collecting box is installed at the bottom of the chassis.
2. A fire door slab cutting mechanism as claimed in claim 1, wherein: Two sliding grooves are respectively formed on the two sides of the chassis, two semicircular sliding strips are symmetrically and fixedly arranged on the two sides of the sliding grooves, and a connecting seat matching the sliding grooves and the sliding strips is installed at the low end of the gantry.
3. The fire door slab cutting mechanism of claim 1, wherein: Four second telescopic rods are symmetrically arranged around the plasma cutting machine at the bottom of the sliding block, positioning plates are installed on the telescopic ends of the second telescopic rods, and a plurality of balls are rotatably arranged in the bottom surface of the positioning plates.
4. The fire door slab cutting mechanism of claim 1, wherein: L-shaped protection plates are respectively installed at the two ends of the roller shafts on the two sides of the interior of the chassis.
Citation Information
Patent Citations
Precise cutting device for producing steel fireproof door
CN213379786U