CN215395593U

CN215395593U - Fireproof door core is with cutting edge packing apparatus

Info

Publication number: CN215395593U
Application number: CN202121865284.2U
Authority: CN
Inventors: 许波兰; 许文增; 许洪涛
Original assignee: Zhejiang Longdingxin New Material Technology Co ltd
Current assignee: Zhejiang Longdingxin New Material Technology Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-01-04
Anticipated expiration: 2031-08-10

Abstract

The application discloses fire door core is with cutting edge packing apparatus belongs to the technical field who prevents fire door processing, and its technical scheme main points are including: the fireproof door core plate conveying device comprises a rack, wherein a conveying mechanism is arranged on the rack and used for conveying the fireproof door core plate to move; the trimming device is arranged on the rack and comprises a transverse trimming mechanism, a transverse adjusting mechanism arranged on the transverse trimming mechanism, a longitudinal trimming mechanism and a longitudinal adjusting mechanism arranged on the longitudinal trimming mechanism, and cutters are arranged on the transverse trimming mechanism and the longitudinal trimming mechanism; the utility model provides a prevent fire door core with cutting edge packing apparatus, improves machining precision and machining efficiency, makes the packing instrument convenient.

Description

Fireproof door core is with cutting edge packing apparatus

Technical Field

The application belongs to the technical field of prevent fire door processing, especially relates to a fire door core is with cutting edge packing apparatus.

Background

The fireproof door is a door which can meet the requirements of fire resistance stability, integrity and heat insulation within a certain time, and is mainly realized by clamping a fireproof door core plate in a door plate. The fire door core board is used as a non-combustible fire-proof heat-insulating product, mainly adopts natural magnesium oxychloride inorganic environment-friendly material, and is formed by mechanical line production pressing and compounding. The fireproof door core board is a non-toxic excellent environment-friendly building material formed by inorganic mineralized materials and meets the national first-level flame-retardant standard. Therefore, the composite material is widely applied to partition walls, partition walls and ideal decorative materials for fireproof and waterproof suspended ceilings of fireproof doors, special inner lining plates for purification plates and the like.

The prior Chinese patent with the publication number of CN202878474U discloses a full-automatic production device of expanded perlite fireproof door core board, which relates to the technical field of fireproof and heat-insulating materials and comprises a rack and a feeding roller, wherein the rack is provided with a front lapping device, a rear lapping device, a rolling device, an automatic cutting device, a microwave drying device and an automatic demolding device, a feeding device is arranged above the front lapping device, the feeding device comprises a mixing stirrer, the mixing stirrer is provided with a discharge hopper, and the discharge hopper is provided with a front discharge port and a rear discharge port. When the automatic mesh paving machine works, the first mesh paving, the first spreading, the second mesh paving, the second spreading, the rolling, the cutting, the microwave drying and the demolding processes are completed sequentially through the front mesh paving device, the feeding device, the rear mesh paving device, the rolling device, the automatic cutting device, the microwave drying device and the automatic demolding device; the utility model has the advantages of high automation degree, excellent product quality and stable quality, and is suitable for large-scale production of the expanded perlite fireproof door core plate.

Although the automatic large-scale production is realized by the production equipment, the edges of the dried fireproof door core plate are automatically cut, the fireproof door core plate needs to be rotated by 90 degrees and then transversely cut after being longitudinally cut, and the production equipment has low processing efficiency and poor processing precision.

SUMMERY OF THE UTILITY MODEL

The purpose of this application embodiment is to the technical problem that above-mentioned exists, provides a prevent fire door core with cutting edge packing apparatus, improves machining precision and machining efficiency, makes the packing instrument convenient.

The embodiment of the application provides a fire door core is with cutting edge packing apparatus includes: the fireproof door core plate conveying device comprises a rack, wherein a conveying mechanism is arranged on the rack and used for conveying the fireproof door core plate to move; the trimming device is arranged on the rack and comprises a transverse trimming mechanism, a transverse adjusting mechanism arranged on the transverse trimming mechanism, a longitudinal trimming mechanism and a longitudinal adjusting mechanism arranged on the longitudinal trimming mechanism, and cutters are arranged on the transverse trimming mechanism and the longitudinal trimming mechanism; the stacking device is arranged at the tail end of the rack and comprises a lifting device and a material supporting plate, the lifting device is arranged on the rack, and the material supporting plate is arranged on the lifting device; the cutters on the transverse trimming mechanism are arranged on two sides of the rack, the cutting direction is the same as the conveying direction of the conveying mechanism, and the cutting direction of the cutters on the longitudinal trimming mechanism is perpendicular to the conveying direction of the conveying mechanism.

The fireproof door core plate is conveyed by the conveying device arranged on the rack, the fireproof door core plate is cut by the cutters, the four sides of the fireproof door core plate are cut by the transverse trimming mechanism and the longitudinal trimming mechanism on the trimming device, the parallel edges on the fireproof door core plate are cut, the processing efficiency is improved, the distance between the cutters on the transverse trimming mechanism is adjusted by the transverse adjusting mechanism, the distance between the cutters on the longitudinal trimming mechanism is adjusted by the longitudinal adjusting mechanism, the processing precision of the fireproof door core plate is further improved, the fireproof door core plate is continuously conveyed to the stacking device by the conveying mechanism after trimming of the fireproof door core plate is finished, the fireproof door core plate is stacked by the stacking device, the placement position of the fireproof door core plate is moderate by controlling the lifting device to lift, and the lifting device drives the material supporting plate to slowly move downwards along with the stacked fireproof door core plate, when the core plates of the fire door are stacked more, the core plates of the fire door can be more conveniently carried through the material supporting plates.

Further, the lateral adjustment mechanism includes: the first adjusting motor is fixedly connected to the rack through a bolt, and an output shaft of the first adjusting motor is provided with a first gear; the first screw rod is arranged on the rack and is connected with the rack through a bearing, a second gear meshed with the first gear is arranged in the middle of the first screw rod, and the second gear is fixedly connected to the first screw rod; the first internal thread sleeves are in threaded connection with two ends of the first screw rod, the thread directions of the first internal thread sleeves at the two ends are opposite, and the first internal thread sleeves are fixedly connected with a cutter on the transverse trimming mechanism; the first guide rod is fixedly connected to the rack and parallel to the first screw rod, and penetrates through the first internal thread sleeve.

It is rotatory through the first gear of first adjusting motor drive, further drive second gear revolve, further drive first lead screw rotates, the screw thread opposite direction of the first internal thread cover at first lead screw both ends, the direction is relative or opposite when making first internal thread cover remove, it is more convenient to make the distance of adjusting between the cutterbar, and through first adjusting motor drive, further improve the precision of distance adjustment, stability when improving horizontal adjustment mechanism through first guide bar and adjusting, and horizontal adjustment mechanism's structural strength, it is more stable to make the cutterbar cutting, guarantee the machining precision of horizontal cutting.

Further, the longitudinal adjustment mechanism includes: the bracket is movably connected to the rack; the second adjusting motor is arranged on the bracket and is provided with a third gear; the second screw rod is arranged on the bracket and is connected with the bracket through a bearing, and a fourth gear meshed with the third gear is arranged in the middle of the second screw rod; the second internal thread sleeves are in threaded connection with two ends of the second screw rod, the thread directions of the second internal thread sleeves at the two ends are opposite, and the second internal thread sleeves are fixedly connected with the cutter on the longitudinal trimming mechanism; and the second guide rod is fixedly connected to the support and is parallel to the second screw rod, and the second guide rod penetrates through the second internal thread sleeve.

The support is used for installing the second motor, the second lead screw, the second guide bar, guarantee the structure steadiness after the installation through the support, service life is prolonged, it is rotatory to adjust motor drive third gear through the second, further drive fourth gear revolve, further drive second lead screw revolve, the screw thread opposite direction of the second internal thread cover at second lead screw both ends, the direction is relative or opposite when making the second internal thread cover remove, it is more convenient to make the distance of adjusting between the cutterbar, and drive through second adjusting motor, further improve the precision of distance adjustment, stability when improving vertical adjustment mechanism through the second guide bar and adjusting, and vertical adjustment mechanism's structural strength, it is more stable to make the cutterbar cut, guarantee the machining precision of vertical cutting.

Furthermore, the frame is equipped with drive arrangement, and drive arrangement includes hydraulic stem, slide rail, with the slider of slide rail adaptation, and the hydraulic stem links firmly in the frame, and the slide rail links firmly in the frame, and the support links firmly in the slider.

Through the removal of the vertical trimming mechanism of drive arrangement drive, realize the cutterbar to preventing the vertical cutting of fire door core, hydraulic stem one end links firmly in the frame, and the other end links firmly on the slider, moves through hydraulic stem drive slider, and slider and slide rail adaptation further improve the stability when removing, improve the machining precision of vertical cutting, the slide rail passes through screw connection in the frame, and arranges the top of frame in.

Further, the cutter includes: the driving motor is arranged on the cutter; and the cutting saw blade is arranged on an output shaft of the driving motor, and the driving motor drives the cutting saw blade to rotate.

Cut fire door core through the high-speed rotation of driving motor drive cutting saw bit, cut into required size with fire door core according to the size, driving motor links firmly on the cutterbar through the bolt, and the cutting saw bit can be dismantled with the cutterbar and be connected, and it is convenient to make the cutting saw bit use to change the stores pylon after wearing and tearing.

The lifting device comprises a lifting plate, a lifting plate and a lifting mechanism, wherein the lifting plate is arranged on the lower side of the material supporting plate and movably connected into the lifting device; the lifting assembly is arranged on the lower side of the lifting plate and drives the lifting plate to move up and down.

When the fire door core removed to the frame end, prevented the fire door core and arranged the top of sign indicating number board device in, prevented the fire door core and stacked one, lifting unit drive lifter plate moves down the height of a fire door core thickness, made the position of fire door core pile to the top vacancy all the time, it is more convenient when making to unload to place the material layer board through on the lifter plate.

The beneficial effects of the embodiment of the application are that:

1. the fireproof door core plate is transversely and longitudinally trimmed through the transverse trimming mechanism and the longitudinal trimming mechanism, the fireproof door core plate with the required size is obtained, the distance between the cutters on the transverse trimming mechanism is adjusted through the transverse adjusting mechanism, the distance between the cutters on the longitudinal trimming mechanism is adjusted through the longitudinal adjusting mechanism, and the cutting saw blade is driven to rotate at a high speed through the driving motor, so that the cutting efficiency is improved.

2. The first adjusting motor is driven to enable the first screw rod to rotate, the first internal thread sleeves at two ends of the first screw rod are further driven to move oppositely or oppositely, so that the size of the transverse cutting dimension is adjusted, the stability during adjustment is improved through the first guide rod, and the cutting precision during transverse cutting is guaranteed.

3. The second adjusting motor is driven to enable the second screw rod to rotate, the second internal thread sleeves at two ends of the second screw rod are further driven to move oppositely or oppositely, so that the size of the longitudinal cutting dimension is adjusted, the stability during adjustment is improved through the second guide rod, the cutting precision during longitudinal cutting is guaranteed, the slider is driven to move from the slide rail through the hydraulic rod, and the cutter on the longitudinal trimming mechanism is used for completing longitudinal cutting of the fireproof door core plate.

Drawings

Fig. 1 is a schematic top view of a trimming and packing apparatus according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a cutter according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of a code plate device according to an embodiment of the present application;

reference numeral, 1, a frame; 11. a transport mechanism; 2. a trimming device; 21. a transverse trimming mechanism; 22. a lateral adjustment mechanism; 221. a first adjustment motor; 222. a first gear; 223. a second gear; 224. a first lead screw; 225. a first internally threaded sleeve; 226. a first guide bar; 23. a longitudinal trimming mechanism; 24. a longitudinal adjustment mechanism; 241. a second adjustment motor; 242. a third gear; 243. a fourth gear; 244. a second lead screw; 245. a second internally threaded sleeve; 246. a second guide bar; 247. a support; 25. a cutter; 251. a drive motor; 252. cutting the saw blade; 3. a plate stacking device; 31. a lifting device; 311. a lifting assembly; 312. a lifting plate; 32. a material supporting plate; 4. a drive device; 41. a hydraulic lever; 42. a slide rail; 43. a slide block.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

The portable server provided by the embodiment of the present application is described in detail below with reference to the accompanying drawings by specific embodiments and application scenarios thereof.

Example 1

As shown in fig. 1 and 3, the present application provides a trimming and packing apparatus for a fire door core, including: the fireproof door comprises a machine frame 1, wherein the machine frame 1 is provided with a transmission mechanism 11, and the transmission mechanism 11 is used for conveying a fireproof door core plate to move; the trimming device 2 is arranged on the rack 1, the trimming device 2 comprises a transverse trimming mechanism 21, a transverse adjusting mechanism 22 arranged on the transverse trimming mechanism 21, a longitudinal trimming mechanism 23 and a longitudinal adjusting mechanism 24 arranged on the longitudinal trimming mechanism 23, and cutters 25 are arranged on the transverse trimming mechanism 21 and the longitudinal trimming mechanism 23; the plate stacking device 3 is arranged at the tail end of the rack 1, the plate stacking device 3 comprises a lifting device 31 and a material supporting plate 32, the lifting device 31 is arranged on the rack 1, and the material supporting plate 32 is arranged on the lifting device 31; the cutters 25 on the transverse trimming mechanism 21 are arranged on two sides of the frame 1, the cutting direction is the same as the conveying direction of the conveying mechanism 11, and the cutting direction of the cutters 25 on the longitudinal trimming mechanism 23 is perpendicular to the conveying direction of the conveying mechanism 11.

The fireproof door core plate is conveyed by the conveying device arranged on the frame 1, the fireproof door core plate is cut by the cutters 25, the four sides of the fireproof door core plate are cut by the transverse trimming mechanisms 21 and the longitudinal trimming mechanisms 23 on the trimming device 2, the parallel edges on the fireproof door core plate are cut, the processing efficiency is improved, the distance between the cutters 25 on the transverse trimming mechanisms 21 is adjusted by the transverse adjusting mechanisms 22, the distance between the cutters 25 on the longitudinal trimming mechanisms 23 is adjusted by the longitudinal adjusting mechanisms 24, the processing precision of the fireproof door core plate is further improved, the fireproof door core plate is continuously conveyed to the stacking device 3 by the conveying mechanism 11 after trimming is finished, the fireproof door core plate is stacked by the stacking device 3, the placement position of the fireproof door core plate is moderate by controlling the lifting device 31 to lift, and the lifting device 31 is increased along with the fireproof door of the stacking to drive the material supporting plate 32 to slowly move downwards, when the core plates of the fire door are stacked more, the material supporting plates 32 are used for facilitating the transportation.

Example 2

As shown in fig. 1, the present embodiment provides a trimming and packing device for a fire door core, which in addition to the above technical features, further includes a lateral adjusting mechanism 22 that includes: the first adjusting motor 221, the first adjusting motor 221 is fixedly connected to the frame 1 through bolts, and an output shaft of the first adjusting motor 221 is provided with a first gear 222; the first screw rod 224 is arranged on the rack 1 and is connected with the rack 1 through a bearing, a second gear 223 meshed with the first gear 222 is arranged in the middle of the first screw rod 224, and the second gear 223 is fixedly connected to the first screw rod 224; the first internal thread sleeve 225 is in threaded connection with two ends of the first screw rod 224, the thread directions of the first internal thread sleeves 225 at the two ends are opposite, and the first internal thread sleeves 225 are fixedly connected with the cutter 25 on the transverse trimming mechanism 21; and the first guide rod 226, the first guide rod 226 is fixedly connected to the frame 1 and is parallel to the first screw rod 224, and the first guide rod 226 penetrates through the first internal thread sleeve 225.

Further, the longitudinal adjustment mechanism 24 includes: the bracket 247 is movably connected to the frame 1; the second adjusting motor 241, the second adjusting motor 241 is placed on the support 247, the second adjusting motor 241 has the third gear 242; the second screw rod 244 is arranged on the bracket 247 and is connected with the bracket 247 through a bearing, and a fourth gear 243 meshed with the third gear 242 is arranged in the middle of the second screw rod 244; the second internal thread sleeve 245 is connected to two ends of the second screw rod 244 in a threaded manner, the thread directions of the second internal thread sleeves 245 at the two ends are opposite, and the second internal thread sleeves 245 are fixedly connected with the cutter 25 on the longitudinal trimming mechanism 23; and a second guide rod 246, wherein the second guide rod 246 is fixedly connected to the bracket 247 and is parallel to the second lead screw 244, and the second guide rod 246 penetrates through the second internal thread sleeve 245.

Further, frame 1 is equipped with drive arrangement 4, and drive arrangement 4 includes hydraulic stem 41, slide rail 42, the slider 43 with slide rail 42 adaptation, and hydraulic stem 41 links firmly on frame 1, and slide rail 42 links firmly on frame 1, and support 247 links firmly on slider 43.

The first gear 222 is driven to rotate by the first adjusting motor 221, the second gear 223 is further driven to rotate, the first screw rod 224 is further driven to rotate, the thread directions of the first internal thread sleeves 225 at the two ends of the first screw rod 224 are opposite, the directions are opposite or opposite when the first internal thread sleeves 225 move, the distance between the cutters 25 can be adjusted more conveniently, the first adjusting motor 221 is used for driving, the accuracy of distance adjustment is further improved, the stability of the transverse adjusting mechanism 22 during adjustment is improved by the first guide rod 226, and the structural strength of the transverse adjusting mechanism 22 is improved, so that the cutters 25 can cut more stably, and the machining accuracy of transverse cutting is guaranteed.

The bracket 247 is used for mounting a second motor, a second screw 244 and a second guide rod 246, the structural stability after mounting is guaranteed through the bracket 247, the service life is prolonged, the third gear 242 is driven to rotate through the second adjusting motor 241, the fourth gear 243 is further driven to rotate, the second screw 244 is further driven to rotate, the thread directions of the second internal thread sleeves 245 at the two ends of the second screw 244 are opposite, the directions are opposite or opposite when the second internal thread sleeves 245 move, the distance between the cutters 25 can be adjusted more conveniently, the distance adjusting precision is further improved through the driving of the second adjusting motor 241, the adjusting stability of the longitudinal adjusting mechanism 24 during adjustment is improved through the second guide rod 246, the structural strength of the longitudinal adjusting mechanism 24 enables the cutters 25 to cut more stably, and the processing precision of longitudinal cutting is guaranteed.

Through the vertical trimming mechanism 23 removal of drive arrangement 4 drive, realize cutterbar 25 and to the vertical cutting of fire door core, 41 one end of hydraulic stem links firmly in frame 1, and the other end links firmly on slider 43, moves through 41 drive sliders 43 of hydraulic stem, slider 43 and slide rail 42 adaptation, stability when further improving the removal improves the machining precision of vertical cutting, and slide rail 42 passes through screw connection in frame 1, and arranges the top of frame 1 in.

Example 3

As shown in fig. 2, the present embodiment provides a trimming and packing device for a fire door core, which in addition to the above technical features, further includes a cutter 25 including: a driving motor 251, the driving motor 251 being mounted on the cutter 25; and a cutting blade 252, wherein the cutting blade 252 is mounted on an output shaft of the driving motor 251, and the driving motor 251 drives the cutting blade 252 to rotate.

The cutting saw blade 252 is driven to rotate at a high speed through the driving motor 251 to cut the fireproof door core plate, the fireproof door core plate is cut into required sizes according to the size, the driving motor 251 is fixedly connected onto the cutter 25 through bolts, the cutting saw blade 252 is detachably connected with the cutter 25, and the hanger is convenient to replace after the cutting saw blade 252 is worn.

Example 4

As shown in fig. 3, the embodiment of the present application provides a trimming and packing apparatus for a fire door core, in addition to the above technical features, further, the lifting apparatus 31 includes a lifting plate 312, the lifting plate 312 is disposed at the lower side of the material supporting plate 32, the lifting plate 312 is movably connected to the lifting apparatus 31; the lifting component 311 is arranged at the lower side of the lifting plate 312, and the lifting component 311 drives the lifting plate 312 to move up and down.

When the fire door core plate moves to the tail end of the rack 1, the fire door core plate is arranged at the top of the stacking device 3, the fire door core plates are stacked one by one, the lifting component 311 drives the lifting plate 312 to move downwards by the height of the thickness of one fire door core plate, the position of the fire door core plate stacked to the top is always vacant, and the material supporting plate 32 is placed on the lifting plate 312 to facilitate discharging.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the utility model is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a fire door core is with cutting edge packing apparatus which characterized in that includes:

the fireproof door core plate moving device comprises a rack (1), wherein a transmission mechanism (11) is arranged on the rack (1), and the transmission mechanism (11) is used for conveying the fireproof door core plate to move;

the trimming device (2) is arranged on the rack (1), the trimming device (2) comprises a transverse trimming mechanism (21), a transverse adjusting mechanism (22) arranged on the transverse trimming mechanism (21), a longitudinal trimming mechanism (23) and a longitudinal adjusting mechanism (24) arranged on the longitudinal trimming mechanism (23), and cutters (25) are arranged on the transverse trimming mechanism (21) and the longitudinal trimming mechanism (23);

the plate stacking device (3) is arranged at the tail end of the rack (1), the plate stacking device (3) comprises a lifting device (31) and a material supporting plate (32), the lifting device (31) is installed on the rack (1), and the material supporting plate (32) is placed on the lifting device (31);

the cutters (25) on the transverse trimming mechanism (21) are arranged on two sides of the rack (1), the cutting direction is the same as the conveying direction of the conveying mechanism (11), and the cutting direction of the cutters (25) on the longitudinal trimming mechanism (23) is perpendicular to the conveying direction of the conveying mechanism (11).

2. A trim and baling device for fire door cores, according to claim 1, characterized in that said lateral adjustment mechanism (22) comprises:

the first adjusting motor (221), the first adjusting motor (221) is fixedly connected to the rack (1) through bolts, and an output shaft of the first adjusting motor (221) is provided with a first gear (222);

the first screw rod (224) is arranged on the rack (1) and is connected with the rack (1) through a bearing, a second gear (223) meshed with the first gear (222) is arranged in the middle of the first screw rod (224), and the second gear (223) is fixedly connected to the first screw rod (224);

the first internal thread sleeve (225) is in threaded connection with two ends of the first screw rod (224), the thread directions of the first internal thread sleeves (225) at the two ends are opposite, and the first internal thread sleeve (225) is fixedly connected with a cutter (25) on the transverse trimming mechanism (21);

the first guide rod (226) is fixedly connected to the rack (1) and parallel to the first screw rod (224), and the first guide rod (226) penetrates through the first internal thread sleeve (225).

3. A trim and baling device for fire door cores, according to claim 1, characterized in that said longitudinal adjustment mechanism (24) comprises:

the bracket (247) is movably connected to the rack (1);

the second adjusting motor (241), the second adjusting motor (241) is arranged on the bracket (247), and the second adjusting motor (241) is provided with a third gear (242);

the second screw rod (244), the second screw rod (244) is arranged on the bracket (247) and is connected with the bracket (247) through a bearing, and a fourth gear (243) meshed with the third gear (242) is arranged in the middle of the second screw rod (244);

the second internal thread sleeve (245) is in threaded connection with two ends of the second screw rod (244), the thread directions of the second internal thread sleeves (245) at the two ends are opposite, and the second internal thread sleeves (245) are fixedly connected with a cutter (25) on the longitudinal trimming mechanism (23);

and the second guide rod (246) is fixedly connected to the bracket (247) and is parallel to the second screw rod (244), and the second guide rod (246) penetrates through the second internal thread sleeve (245).

4. The trimming and packing device for the fireproof door core according to claim 3, wherein the frame (1) is provided with a driving device (4), the driving device (4) comprises a hydraulic rod (41), a sliding rail (42) and a sliding block (43) matched with the sliding rail (42), the hydraulic rod (41) is fixedly connected to the frame (1), the sliding rail (42) is fixedly connected to the frame (1), and the support (247) is fixedly connected to the sliding block (43).

5. A trim baling device for fire door cores according to any of claims 1-4, characterised in that said cutter (25) comprises:

a drive motor (251), the drive motor (251) being mounted on the cutter (25);

the cutting saw blade (252), the cutting saw blade (252) is installed on the output shaft of the driving motor (251), and the driving motor (251) drives the cutting saw blade (252) to rotate.

6. A trim and packing apparatus for fire door cores according to claim 5, characterized in that the lifting device (31) comprises:

the lifting plate (312) is arranged on the lower side of the material supporting plate (32), and the lifting plate (312) is movably connected into the lifting device (31);

the lifting component (311) is arranged on the lower side of the lifting plate (312), and the lifting component (311) drives the lifting plate (312) to move up and down.