CN120133584A

CN120133584A - A high-precision fast cutting device for flat welding flange processing

Info

Publication number: CN120133584A
Application number: CN202510446987.8A
Authority: CN
Inventors: 温家利; 柴洪存; 胡欣荣; 曲兆军; 姜金勇
Original assignee: Hebei Fengrui Electric Power Equipment Co ltd
Current assignee: Hebei Fengrui Electric Power Equipment Co ltd
Priority date: 2025-04-10
Filing date: 2025-04-10
Publication date: 2025-06-13

Abstract

The invention discloses a high-precision rapid cutting device for processing a flat welding flange, which belongs to the technical field of flat welding flange processing and comprises a main body mounting assembly, a workpiece cutting mechanism, a raw material fixed-length conveying structure and an automatic compacting assembly, wherein the workpiece cutting mechanism is arranged on the main body mounting assembly. According to the invention, by arranging the workpiece cutting structure, the raw material fixed-length conveying structure and the automatic compacting component, the workpiece can be compacted in the process of cutting the workpiece, so that the workpiece is ensured not to be displaced in the cutting process, the automatic feeding of the processed raw materials can be realized, the fixed-length feeding of the processed raw materials can be realized by arranging the roller driving motor in the raw material fixed-length conveying structure, the same size of the workpiece in each cutting process is ensured, and the problem that the raw materials are easily displaced due to vibration in the cutting process of the cutting device for flat welding flange processing in the market at present, so that the cutting size is inaccurate is effectively solved.

Description

High-precision rapid cutting device for flat welding flange machining

Technical Field

The invention belongs to the technical field of flat welding flange processing, and particularly relates to a high-precision rapid cutting device for flat welding flange processing.

Background

The flat welding flange is a common pipeline connecting piece, is connected with a pipeline in a welding mode to form a tight sealing structure, is generally composed of two planar discs and is fixed together through bolts, and is suitable for a medium-low pressure pipeline system, the processing of the flat welding flange mainly comprises the steps of plate processing, welding, sealing surface processing and the like, and in the processing process of the flat welding flange, the cutting procedure is one of key links.

The traditional flat welding flange cutting device is generally in the cutting process, raw materials are easy to displace due to vibration, and the cutting size is inaccurate, so that the development of the flat welding flange processing device with high precision, rapid cutting and high automation degree is of great significance.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the high-precision rapid cutting device for processing the flat welding flange, by arranging the workpiece cutting structure, the raw material fixed-length conveying structure and the automatic compacting component, the workpiece can be compacted in the process of cutting the workpiece, the workpiece is ensured not to be displaced in the cutting process, the automatic feeding of the processed raw materials can be realized, the fixed-length feeding of the processed raw materials can be realized by arranging the roller driving motor in the raw material fixed-length conveying structure, the same size of the workpiece in each cutting process is ensured, and the problem that the raw materials are easy to displace due to vibration in the cutting process, so that the cutting size is inaccurate in the cutting process of the cutting device for processing the flat welding flange in the market at present is effectively solved.

The invention adopts the technical scheme that the high-precision rapid cutting device for processing the flat welding flange comprises a main body mounting assembly, a workpiece cutting mechanism, a raw material fixed-length conveying structure and an automatic pressing assembly, wherein the workpiece cutting mechanism is arranged on the main body mounting assembly, the raw material fixed-length conveying structure is arranged on the main body mounting assembly, the automatic pressing assembly is arranged on one side of the main body mounting assembly, and the automatic pressing assembly is connected with the raw material fixed-length conveying structure.

Further, the work piece cuts mechanism includes fixed riser, diaphragm, screw rod driving motor, one-way threaded rod, lift mounting panel, extrusion rod, cutting driving motor, rotation axis and cutting piece, fixed riser fixed connection main part installation component, the last lift spout of having seted up of fixed riser, diaphragm fixed connection fixed riser, screw rod driving motor fixed connection diaphragm, one-way threaded rod runs through and rotates the connection diaphragm, the lifting mounting panel is located between the fixed riser, the both ends sliding connection of lifting mounting panel is in the lift spout, extrusion rod fixed connection lifting mounting panel, cutting driving motor fixed connection lifting mounting panel, the rotation axis runs through and rotates the connection lifting mounting panel, rotation axis fixed connection is in cutting driving motor's output, cutting piece fixed connection rotation axis makes the device can accomplish the cutting to the work piece.

Further, raw materials fixed length conveying structure includes fixed bolster, feed roller one, running roller driving motor, drive bevel gear, feed roller two, spacing ring, supporting spring, driven bevel gear, rotary sleeve, transmission bevel gear one, sliding key axle, transmission bevel gear two, reset spring and backup pad, fixed bolster fixed connection main part installation component, feed roller one rotation connection fixed bolster, running roller driving motor fixed connection fixed bolster, drive bevel gear fixed connection is in the one end of the running roller driving motor that feed roller one kept away from, set up the lift spacing groove on the fixed bolster, feed roller two locates the top of feed roller one, spacing ring symmetry sets up on feed roller two, supporting spring's one end fixed connection spacing ring, supporting spring's the other end fixed connection fixed bolster, control bracket rotates and connects feed roller two, driven bevel gear fixed connection is in feed roller two's one end, rotary sleeve locates on the fixed bolster, transmission bevel gear one fixed connection is in rotary sleeve's lower extreme, sliding key axle sliding connection is in rotary sleeve, transmission key axle fixed connection is in one end that the rotary sleeve is kept away from, the sliding key axle is located in one end of the fixed connection spring one end, the other end that can be fixed for every turn fixed connection with the automatic sliding key, the reset spring can accomplish the fixed connection device.

Further, automatic hold-down subassembly includes lift rack board, linking bridge, extension spring, intermediate gear, back shaft, lever, arc piece, fixed latch, support bracket and sliding connection pole, on the main part installation component was located to the lift rack board, linking bridge fixed connection main part installation component, lift rack board runs through and sliding connection linking bridge, the one end fixed connection lift rack board of extension spring, the other end fixed connection linking bridge of extension spring, intermediate gear meshing connects lift rack board, the back shaft rotates and connects main part installation component, one side of intermediate gear is located to the lever, arc piece fixed connection is in the one end that the lever is close to intermediate gear, fixed latch fixed connection arc piece, support bracket fixed connection main part installation component, the sliding connection pole runs through and rotates and connect the support bracket, the logical groove has been seted up on the lever, sliding connection pole sliding connection makes the device extrude the work piece in the in-process of cutting the work piece, ensures that the work piece can not shake and take place the displacement consequently in the cutting process.

Further, the main body installation component is including placing base, two-way threaded rod and spacing deflector, set up spacing spout on placing the base, two-way threaded rod runs through and rotates to connect and places the base, spacing deflector sliding connection is in spacing spout, spacing deflector threaded connection two-way threaded rod.

Further, the one-way threaded rod penetrates through and is in threaded connection with the lifting mounting plate, and the fixed vertical plates are symmetrically arranged.

Further, the first feeding roller is fixedly connected to the output end of the roller driving motor, the limiting rings are rotationally connected to the two ends of the second feeding roller, the second feeding roller is slidably connected in the lifting limiting groove, and the control bracket is slidably connected with the fixing bracket.

Further, the driven bevel gear is arranged right above the driving bevel gear, the first transmission bevel gear is connected with the driving bevel gear in a meshed mode, the second transmission bevel gear is connected with the driven bevel gear in a meshed mode, and the rotary sleeve penetrates through and rotates to be connected with the supporting plate.

Further, the supporting shaft penetrates through and is fixedly connected with the intermediate gear, and the directions of thread structures on the outer surface of the bidirectional threaded rod are opposite.

Further, the position of the extrusion rod is opposite to the position of the lifting rack plate, and the limiting guide plate is wedge-shaped.

The beneficial effects obtained by the invention by adopting the structure are as follows:

(1) In order to solve the problem that the cutting size is inaccurate because raw materials are easy to displace due to vibration in the cutting process of the cutting device for flat welding flange processing on the market at present, the workpiece cutting structure, the raw material fixed-length conveying structure and the automatic compacting component are arranged, so that the workpiece can be compacted in the process of cutting the workpiece, the workpiece is ensured not to displace in the cutting process, the automatic feeding of the processed raw materials can be realized, the fixed-length feeding of the processed raw materials can be realized through the arrangement of the roller driving motor in the raw material fixed-length conveying structure, and the same size of the workpiece in each cutting process is ensured;

(2) The lifting position of the cutting piece is precisely controlled by the screw driving motor of the workpiece cutting mechanism, the stable rotation of the cutting driving motor is combined, high-precision cutting operation can be realized, the accuracy of cutting size is ensured, the high-precision requirement of flat welding flange processing is met, the raw material fixed-length conveying structure can automatically complete the feeding process of raw materials, the size of single feeding can be precisely controlled by the arrangement of the roller driving motor, the feeding efficiency is improved, meanwhile, the cutting driving motor drives the cutting piece to rapidly rotate, and the rapid lowering of the lifting mounting plate is matched, so that rapid cutting is realized, and the production efficiency is greatly improved;

(3) In addition, automatic compressing tightly the subassembly and can exert stable extrusion force to the raw and other materials in cutting process, prevent that the raw and other materials from taking place positional deviation because of vibrations, guaranteed the stability of cutting process, improved cutting quality, spacing deflector in the main part installation component can carry out nimble adjustment according to the size of raw and other materials, realize spacing deflector through rotatory two-way threaded rod that spacing between the spacing deflector is adjusted, can adapt to the raw and other materials of equidimension, the commonality and the adaptability of device have been strengthened, the shape of spacing deflector is wedge in the automatic compressing tightly the subassembly, can correct the angle of raw and other materials at the in-process that raw and other materials carried out the material loading, ensure that the raw and other materials edge under the cutting is sharp.

Drawings

Fig. 1 is a schematic diagram of a three-dimensional structure of a high-precision rapid cutting device for processing a flat welding flange;

fig. 2 is a schematic diagram of a three-dimensional structure of a high-precision rapid cutting device for processing a flat welding flange according to the present invention;

FIG. 3 is a schematic diagram of an explosion structure of a high-precision rapid cutting device for flat welding flange processing according to the present invention;

FIG. 4 is a schematic diagram of an exploded construction of the workpiece splitting mechanism;

FIG. 5 is a schematic diagram of an exploded construction of a fixed length feedstock delivery structure;

FIG. 6 is a partial cross-sectional view of a feedstock delivery structure;

FIG. 7 is a schematic diagram of an exploded view of the automated compaction assembly;

fig. 8 is an exploded view of the body mount assembly.

The device comprises a main body installation component, a placing base, a limiting chute, a bi-directional threaded rod, a 104 limiting guide plate, a 2-workpiece cutting mechanism, a 201-fixed vertical plate, a 202-lifting chute, a 203-horizontal plate, a 204-screw driving motor, a 205-unidirectional threaded rod, a 206-lifting installation plate, a 207-extrusion rod, a 208-cutting driving motor, a 209-rotating shaft, a 210-cutting plate, a 3-raw material fixed-length conveying structure, a 301-fixed bracket, a 302-feeding roller, a 303-roller driving motor, a 304-driving bevel gear, 305-lifting limiting groove, a 306-feeding roller, a 307-limiting ring, a 308-supporting spring, a 309-control bracket, a 310-driven bevel gear, a 311-rotating sleeve, a 312-driving bevel gear, a 313-sliding key shaft, a 314-driving bevel gear, a 315-resetting spring, a 316-supporting plate, a 4-automatic pressing component, a 401-lifting rack plate, a 402-connecting bracket, a 403-telescoping spring, a 404-intermediate gear, a 405-supporting shaft, a 406, a lever, a 407-arc-shaped block, a 408, a fixed latch, a 409-fixing bracket, a 410-sliding bracket and a sliding bracket.

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.

Detailed Description

The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present invention are within the scope of protection of the present invention.

In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate orientation or positional relationships based on those shown in the drawings, merely to facilitate description of the invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

As shown in fig. 1-8, the invention provides a high-precision rapid cutting device for flat welding flange processing, which comprises a main body mounting assembly 1, a workpiece cutting mechanism 2, a raw material fixed-length conveying structure 3 and an automatic pressing assembly 4, wherein the workpiece cutting mechanism 2 is arranged on the main body mounting assembly 1, the raw material fixed-length conveying structure 3 is arranged on the main body mounting assembly 1, the automatic pressing assembly 4 is arranged on one side of the main body mounting assembly 1, and the automatic pressing assembly 4 is connected with the raw material fixed-length conveying structure 3.

The workpiece slitting mechanism 2 comprises a fixed vertical plate 201, a transverse plate 203, a screw driving motor 204, a unidirectional threaded rod 205, a lifting mounting plate 206, an extrusion rod 207, a cutting driving motor 208, a rotating shaft 209 and a cutting blade 210, wherein the fixed vertical plate 201 is fixedly connected with the main body mounting assembly 1, the fixed vertical plate 201 is provided with a lifting sliding chute 202, the transverse plate 203 is fixedly connected with the fixed vertical plate 201, the screw driving motor 204 is fixedly connected with the transverse plate 203, the unidirectional threaded rod 205 penetrates through and rotates to connect the transverse plate 203, the lifting mounting plate 206 is arranged between the fixed vertical plates 201, two ends of the lifting mounting plate 206 are slidably connected in the lifting sliding chute 202, the extrusion rod 207 is fixedly connected with the lifting mounting plate 206, the cutting driving motor 208 is fixedly connected with the lifting mounting plate 206, the rotating shaft 209 penetrates through and rotates to connect the lifting mounting plate 206, the rotating shaft 209 is fixedly connected with the output end of the cutting driving motor 208, and the cutting blade 210 is fixedly connected with the rotating shaft 209.

The raw material fixed-length conveying structure 3 comprises a fixed support 301, a first feeding roller 302, a roller driving motor 303, a driving bevel gear 304, a second feeding roller 306, a limiting ring 307, a supporting spring 308, a driven bevel gear 310, a rotating sleeve 311, a first transmission bevel gear 312, a sliding key shaft 313, a second transmission bevel gear 314, a reset spring 315 and a supporting plate 316, wherein the fixed support 301 is fixedly connected with a main body installation component 1, the first feeding roller 302 is rotationally connected with the fixed support 301, the roller driving motor 303 is fixedly connected with the fixed support 301, the driving bevel gear 304 is fixedly connected with one end of the roller driving motor 303, which is far away from the first feeding roller 302, an elevating limiting groove 305 is formed in the fixed support 301, the second feeding roller 306 is arranged above the first feeding roller 302, the limiting ring 307 is symmetrically arranged on the second feeding roller 306, one end of the supporting spring 308 is fixedly connected with the limiting ring 307, the other end of the supporting spring 308 is fixedly connected with the fixed support 301, the control support 309 is rotationally connected with the second feeding roller 306, the driven bevel gear 310 is fixedly connected with one end of the feeding roller 306, the rotating sleeve 311 is arranged on the fixed support 301, the first transmission bevel gear 312 is fixedly connected with the lower end of the rotating sleeve 311, the lower end of the rotating sleeve 311 is fixedly connected with the rotating sleeve 311, which is far away from the sliding key shaft 311, and the other end of the sliding key shaft is fixedly connected with the sliding key shaft 311.

The automatic compression assembly 4 comprises a lifting rack plate 401, a connecting bracket 402, a telescopic spring 403, an intermediate gear 404, a supporting shaft 405, a lever 406, an arc-shaped block 407, a fixed latch 408, a supporting bracket 409 and a sliding connecting rod 410, wherein the lifting rack plate 401 is arranged on the main body installation assembly 1, the connecting bracket 402 is fixedly connected with the main body installation assembly 1, the lifting rack plate 401 penetrates through the connecting bracket 402 in a sliding connection manner, one end of the telescopic spring 403 is fixedly connected with the lifting rack plate 401, the other end of the telescopic spring 403 is fixedly connected with the connecting bracket 402, the intermediate gear 404 is meshed with the lifting rack plate 401, the supporting shaft 405 is rotationally connected with the main body installation assembly 1, the lever 406 is arranged on one side of the intermediate gear 404, the arc-shaped block 407 is fixedly connected with one end, close to the intermediate gear 404, of the fixed latch 408 is fixedly connected with the arc-shaped block 407, the supporting bracket 409 is fixedly connected with the main body installation assembly 1, the sliding connecting rod 410 penetrates through and is rotationally connected with the supporting bracket 409, a through slot 411 is formed in the lever 406, and the sliding connecting rod 410 is slidingly connected with the through slot 411.

The main body mounting assembly 1 comprises a placing base 101, a bidirectional threaded rod 103 and a limiting guide plate 104, wherein a limiting sliding groove 102 is formed in the placing base 101, the bidirectional threaded rod 103 penetrates through and is rotationally connected with the placing base 101, the limiting guide plate 104 is slidably connected in the limiting sliding groove 102, and the limiting guide plate 104 is in threaded connection with the bidirectional threaded rod 103.

The unidirectional threaded rod 205 penetrates through and is in threaded connection with the lifting mounting plate 206, and the fixed vertical plates 201 are symmetrically arranged.

The first feeding roller 302 is fixedly connected to the output end of the roller driving motor 303, the limiting rings 307 are rotatably connected to the two ends of the second feeding roller 306, the second feeding roller 306 is slidably connected to the lifting limiting groove 305, and the control bracket 309 is slidably connected to the fixing bracket 301.

The driven bevel gear 310 is arranged right above the driving bevel gear 304, the first transmission bevel gear 312 is in meshed connection with the driving bevel gear 304, the second transmission bevel gear 314 is in meshed connection with the driven bevel gear 310, and the rotary sleeve 311 penetrates through and is rotationally connected with the supporting plate 316.

The supporting shaft 405 penetrates through and is fixedly connected with the intermediate gear 404, and the directions of the thread structures on the outer surface of the bidirectional threaded rod 103 are opposite.

The position of the pressing rod 207 is opposite to the position of the lifting rack plate 401, and the limit guide plate 104 is wedge-shaped.

When the flat welding flange is specifically used, raw materials required for processing the flat welding flange are placed between the first feeding roller 302 and the second feeding roller 306, the second feeding roller 306 is upwards displaced under the most used thickness of the raw materials, the outer surface of the second feeding roller 306 is abutted against the upper surface of the raw materials, at the moment, the limiting rings 307 arranged at the two ends of the second feeding roller 306 slide upwards in the lifting limiting grooves 305, the supporting springs 308 are stretched, the roller driving motor 303 is started, the first feeding roller 302 is driven to rotate after the roller driving motor 303 is started, the first feeding roller 302 drives the driving bevel gear 304 to rotate, when the second feeding roller 306 is displaced, the position of the sliding key shaft 313 is upwards displaced under the action of the reset spring 315, so that the second transmission bevel gear 314 is always meshed with the driven bevel gear 310, the first transmission bevel gear 312 is driven to rotate through the sliding key shaft 313, the second transmission bevel gear 314 drives the second feeding roller 306 to rotate through the driven bevel gear 310, automatic feeding of the raw materials is achieved, and the size of single feeding of the roller driving motor 303 can be accurately controlled.

Starting a cutting driving motor 208, driving a cutting blade 210 to rotate through a rotating shaft 209 by the cutting driving motor 208, simultaneously, starting a screw driving motor 204, driving a unidirectional threaded rod 205 to rotate by the screw driving motor 204, driving a lifting mounting plate 206 to downwards displace along a lifting sliding chute 202 under the driving of the unidirectional threaded rod 205, enabling a pressing rod 207 arranged on the lifting mounting plate 206 to contact with a lifting rack plate 401 and drive the lifting rack plate 401 to downwards slide along with the continuous descending of the lifting mounting plate 206 along with the continuous downward displacement of the lifting mounting plate 206, driving an intermediate gear 404 to rotate by the downwards sliding of the lifting rack plate 401, and enabling the intermediate gear 404 to rotate through an arc-shaped block 407 and a fixed latch 408 to drive a lever 406 to rotate, enabling the lever 406 to rotate by taking a sliding connecting rod 410 as a center, and then applying downwards extrusion force to a feeding roller two 306 through a control bracket 309, so as to ensure that position deviation of raw materials in the cutting blade 210 cutting raw materials cannot occur due to vibration.

Can adjust spacing between spacing deflector 104 according to the size of raw materials when carrying out the material loading, manual rotatory two-way threaded rod 103, the helicitic texture opposite direction that sets up on the surface of two-way threaded rod 103, two-way threaded rod 103 rotate and drive spacing deflector 104 and carry out synchronous relative displacement along spacing spout 102, simultaneously, the shape of spacing deflector 104 is the wedge, guarantees that the raw materials can not appear shifting at the in-process of raw and other materials transport.

A collecting box can be arranged at one end of the base 101 close to the fixed vertical plate 201, and the raw materials cut by the cutting sheet 210 directly fall into the collecting box for collection, so that the whole working flow of the invention is realized, and the step is repeated when the working flow is used next time, so that the actual operation process is very simple and easy to implement.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, 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.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

The invention and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the invention as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present invention.

Claims

1. A high-precision rapid cutting device for flat welding flange machining is characterized by comprising a main body installation component (1), a workpiece cutting mechanism (2), a raw material fixed-length conveying structure (3) and an automatic pressing component (4), wherein the workpiece cutting mechanism (2) is arranged on the main body installation component (1), the raw material fixed-length conveying structure (3) is arranged on the main body installation component (1), the automatic pressing component (4) is arranged on one side of the main body installation component (1), and the automatic pressing component (4) is connected with the raw material fixed-length conveying structure (3).

2. The high-precision rapid cutting device for flat welding flange machining is characterized in that the workpiece cutting mechanism (2) comprises a fixed vertical plate (201), a transverse plate (203), a screw driving motor (204), a one-way threaded rod (205), a lifting mounting plate (206), a pressing rod (207), a cutting driving motor (208), a rotating shaft (209) and a cutting sheet (210), wherein the fixed vertical plate (201) is fixedly connected with a main body mounting assembly (1), a lifting sliding groove (202) is formed in the fixed vertical plate (201), the transverse plate (203) is fixedly connected with the fixed vertical plate (201), the screw driving motor (204) is fixedly connected with the transverse plate (203), the one-way threaded rod (205) penetrates through and is rotatably connected with the transverse plate (203), the lifting mounting plate (206) is arranged between the fixed vertical plates (201), two ends of the lifting mounting plate (206) are slidably connected in the lifting sliding groove (202), the pressing rod (207) is fixedly connected with the lifting mounting plate (206), the cutting driving motor (208) is fixedly connected with the lifting sliding groove (206), the rotating shaft (209) is rotatably connected with the lifting mounting plate (208) and the output end (209) is fixedly connected with the rotating shaft, the cutting piece (210) is fixedly connected with the rotating shaft (209).

3. The high-precision rapid cutting device for flat welding flange processing, as set forth in claim 2, wherein the raw material fixed-length conveying structure (3) comprises a fixed bracket (301), a first feeding roller (302), a roller driving motor (303), a driving bevel gear (304), a second feeding roller (306), a limiting ring (307), a supporting spring (308), a driven bevel gear (310), a rotating sleeve (311), a first transmission bevel gear (312), a sliding key shaft (313), a second transmission bevel gear (314), a reset spring (315) and a supporting plate (316), wherein the fixed bracket (301) is fixedly connected with a main body mounting assembly (1), the first feeding roller (302) is rotationally connected with the fixed bracket (301), the roller driving motor (303) is fixedly connected with the fixed bracket (301), the driving bevel gear (304) is fixedly connected with one end of the roller driving motor (303) far away from the first feeding roller (302), a lifting limiting groove (305) is formed in the fixed bracket (301), the second feeding roller (306) is arranged above the first feeding roller (302), the limiting ring (307) is symmetrically arranged on the second feeding roller (307), the other end of the second feeding roller (308) is fixedly connected with the supporting spring (308), the control bracket (309) is rotationally connected with the feeding roller II (306), the driven bevel gear (310) is fixedly connected with one end of the feeding roller II (306), the rotary sleeve (311) is arranged on the fixed bracket (301), the first transmission bevel gear (312) is fixedly connected with the lower end of the rotary sleeve (311), the sliding key shaft (313) is slidingly connected with the rotary sleeve (311), the second transmission bevel gear (314) is fixedly connected with one end, far away from the rotary sleeve (311), of the sliding key shaft (313), one end of the return spring (315) is fixedly connected with the sliding key shaft (313), the other end of the return spring (315) is fixedly connected with the rotary sleeve (311), and the support plate (316) is fixedly connected with the fixed bracket (301).

4. A high precision rapid cutting device for flat welding flange processing according to claim 3, wherein the automatic pressing component (4) comprises a lifting rack plate (401), a connecting bracket (402), a telescopic spring (403), an intermediate gear (404), a supporting shaft (405), a lever (406), an arc-shaped block (407), a fixed latch (408), a supporting bracket (409) and a sliding connecting rod (410), wherein the lifting rack plate (401) is arranged on the main body mounting component (1), the connecting bracket (402) is fixedly connected with the main body mounting component (1), the lifting rack plate (401) penetrates and is connected with the connecting bracket (402) in a sliding manner, one end of the telescopic spring (403) is fixedly connected with the lifting rack plate (401), the other end of the telescopic spring (403) is fixedly connected with the connecting bracket (402), the intermediate gear (404) is meshed with the lifting rack plate (401), the supporting shaft (405) rotates to connect with the main body mounting component (1), the lever (406) is arranged on one side of the intermediate gear (404), the arc-shaped block (407) is fixedly connected with the lever (406) and is close to the intermediate gear (408), one end of the arc-shaped block (408) is fixedly connected with the main body (409), the sliding connecting rod (410) penetrates through and is rotationally connected with the supporting bracket (409), the lever (406) is provided with a through groove (411), and the sliding connecting rod (410) is connected in the through groove (411) in a sliding mode.

5. The high-precision rapid cutting device for flat welding flange machining according to claim 4, wherein the main body mounting assembly (1) comprises a placing base (101), a bidirectional threaded rod (103) and a limiting guide plate (104), the placing base (101) is provided with a limiting sliding groove (102), the bidirectional threaded rod (103) penetrates through and is rotationally connected with the placing base (101), the limiting guide plate (104) is slidably connected in the limiting sliding groove (102), and the limiting guide plate (104) is in threaded connection with the bidirectional threaded rod (103).

6. The high-precision rapid cutting device for flat welding flange machining according to claim 5, wherein the unidirectional threaded rod (205) penetrates through and is in threaded connection with the lifting mounting plate (206), and the fixed vertical plates (201) are symmetrically arranged.

7. The high-precision rapid cutting device for flat welding flange machining according to claim 6, wherein the first feeding roller (302) is fixedly connected to the output end of a roller driving motor (303), the limiting rings (307) are rotatably connected to two ends of the second feeding roller (306), the second feeding roller (306) is slidably connected to the lifting limiting groove (305), and the control bracket (309) is slidably connected to the fixing bracket (301).

8. The high-precision rapid cutting device for flat welding flange machining according to claim 7, wherein the driven bevel gear (310) is arranged right above the driving bevel gear (304), the first transmission bevel gear (312) is in meshed connection with the driving bevel gear (304), the second transmission bevel gear (314) is in meshed connection with the driven bevel gear (310), and the rotary sleeve (311) penetrates through and rotates to be connected with the supporting plate (316).

9. The high-precision rapid cutting device for flat welding flange machining according to claim 8, wherein the supporting shaft (405) penetrates through and is fixedly connected with the intermediate gear (404), the directions of thread structures on the outer surface of the bidirectional threaded rod (103) are opposite, and one end, far away from the intermediate gear (404), of the lever (406) is hinged with the control bracket (309).

10. A high precision rapid cutting apparatus for flat welded flange processing as described in claim 9, wherein the extrusion rod (207) is positioned opposite to the lifting rack plate (401), and the limit guide plate (104) is wedge-shaped.