CN217412654U

CN217412654U - Pneumatic plate shearing machine for thin plate

Info

Publication number: CN217412654U
Application number: CN202221134346.7U
Authority: CN
Inventors: 兰国平
Original assignee: Dongguan Nairui Machinery Co ltd
Current assignee: Dongguan Nairui Machinery Co ltd
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-09-13
Anticipated expiration: 2032-05-12

Abstract

The utility model relates to a pneumatic plate shearing machine for thin plates, which comprises an upper seat, a lower seat, a guide pillar, a vertical plate, a fixed knife and a movable knife, wherein the fixed knife is arranged on the lower seat; a supporting support and a supporting foot are arranged on the front side face of the vertical plate, a feeding pressing plate is assembled on the supporting support in a hoisting mode, an upward protruding hollow column is arranged on the upper side of the feeding pressing plate, the hollow column penetrates through a guide hole and obtains a hanging posture of up-and-down movement, and a compression spring supporting foot is arranged between the hollow column and the supporting foot; and a material pressing roller is arranged on the rear side surface of the vertical plate and used for pressing the plate and limiting the sheared plate. The vertical plate is driven to move up and down by the air cylinder, structural components are few, the weight is light, the shearing speed is high, the requirements of blanking shear are met, the on-line synchronous blanking production of a matching forming machine is suitable, the shearing is powerful and stable, and the shearing quality and efficiency are improved.

Description

Pneumatic plate shearing machine for thin plate

Technical Field

The utility model belongs to the technical field of panel processing equipment technique and specifically relates to a sheet metal cutting device is related to.

Background

The existing metal plate cutting device is mainly driven by hydraulic pressure, is low in speed, is generally only used for cutting a material head and a material tail, and has no speed requirement. The thin plates required by the existing punch forming are usually packaged into rolls for storage, and are uncoiled, leveled, sized and cut into flat plates with required length before use; the traditional hydraulic metal plate cutting device has structural defects, so that the traditional hydraulic metal plate cutting device is difficult to match with the on-line synchronous blanking production requirements of a forming machine and needs further improvement.

Disclosure of Invention

An object of the utility model is to overcome prior art's defect, provide a pneumatic plate shearing machine for sheet metal, it is fast, satisfy the blanking and cut the requirement, be fit for the online synchronous blanking production of match forming machine.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a pneumatic plate shearing machine for thin plates comprises an upper seat, a lower seat and a guide post for connecting the upper seat and the lower seat together, wherein a fixed cutter is arranged on the lower seat, and the cutting edge of the fixed cutter extends linearly in a first direction; a vertical plate capable of moving up and down is arranged between the upper seat and the lower seat, the vertical plate is positioned above the fixed cutter, the left side and the right side of the vertical plate are respectively assembled on the guide posts through guide sleeves, a movable cutter is arranged at the lower side end of the vertical plate, the cutting edge of the movable cutter extends linearly in a second direction, an included angle is formed between the second direction and the first direction, and the included angle is an acute angle; the upper side end of the vertical plate is connected with the telescopic ends of the cylinders, the two cylinders are arranged on the upper seat in parallel, the two cylinders are connected with the constant-pressure gas storage tank through the control valve, and the two cylinders work synchronously; a supporting support and a supporting top foot are arranged on the front side surface of the vertical plate, and a through guide hole is formed in the supporting support; the support bracket is assembled with a feeding pressing plate in a hoisting mode, the feeding pressing plate extends along a first direction, a lower pressing plane is arranged on the lower side of the feeding pressing plate and is matched with a feeding table top preset on a lower seat for pressing, hollow columns protruding upwards are arranged on the upper side of the feeding pressing plate, the hollow columns are distributed at intervals in the first direction, the hollow columns penetrate through guide holes and obtain hanging postures moving up and down, and compression spring supports are arranged between the hollow columns and the support pins; a material pressing roller is arranged on the rear side face of the vertical plate, extends along a first direction and is used for pressing down the plate and limiting the sheared sub-plate; and the fixed knife and the movable knife are subjected to shearing processing in the area between the feeding pressing plate and the material pressing roller.

The supporting bracket is a plate vertical to the vertical plate, and the supporting bracket and the feeding pressing plate are arranged in parallel up and down.

According to the scheme, a knife groove is formed in the lower side end of the vertical plate, the knife groove is formed by recessing the corresponding part of the front side face of the vertical plate, and the shape and the size of the knife groove are matched with those of the moving knife.

The scheme is further that the number of the guide columns is two, and the upper end and the lower end of each guide column penetrate through the upper seat and the lower seat respectively and are locked by nuts; and travel switches for limiting ascending and descending are arranged on the corresponding guide sleeves, and the travel switches are matched with the preset travel point positions of the upper seat for triggering.

The utility model discloses a cylinder drive riser is from top to bottom to the utilization moves sword and stationary knife and forms the contained angle relation, reaches the work of cuting, and structural component is few, light in weight, and shearing speed is fast, satisfies the blanking and cuts the requirement, is fit for the online synchronous blanking production of matching forming machine. Meanwhile, the guide pillar structure is adopted to be matched with the moving cutter to move, the precision is high, the shearing is powerful and stable, and the shearing quality and efficiency are improved. The feeding pressing plate is supported by the compression spring, so that the self-adaptive floating characteristic is realized, the stable compression is ensured to treat the thin plate to be sheared, the shearing work is facilitated, the pressure roller is used for pressing down the plate and limiting the plate dividing after shearing, the thin plate can be attached to the fixed knife, the quick shearing is facilitated, the pressing effect is realized on the plate dividing after shearing, the plate dividing after shearing is enabled to effectively fall and cooperate with subsequent feeding processing, the production line requirement is met, the better practicability is realized, and the industrial utilization is met.

Description of the drawings:

FIG. 1 is a schematic structural view of a preferred embodiment of the present invention;

FIG. 2 is a schematic view of another perspective structure of the embodiment of FIG. 1;

FIG. 3 is a partially exploded view of the embodiment of FIG. 1;

fig. 4 is a partially enlarged schematic view of the embodiment of fig. 3.

The specific implementation mode is as follows:

the conception, the specific structure and the technical effects produced by the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1, 2, 3, 4, it is shown that the preferred embodiment of the utility model discloses a drawing is demonstrated, the utility model discloses a pneumatic plate shearing machine for sheet metal, it is including seat of honour 1, lower 2 and with seat of honour 1 and the guide pillar 3 that lower 2 links together, the guide pillar 3 of this embodiment has two, the upper and lower both ends of two guide pillars 3 adopt the nut to lock after passing seat of honour 1 and lower 2 respectively, simple structure, convenient preparation and equipment. The lower seat 2 is provided with a fixed cutter 5, and the cutting edge of the fixed cutter 5 extends linearly in the first direction. But be equipped with up-and-down motion's riser 4 between seat 1 and lower 2, riser 4 is located the top of stationary knife 1, and on the guide pillar 3 was assembled through guide pin bushing 41 respectively to the side about riser 4, convenient preparation and equipment, and the precision is high, and the up-and-down motion is steady accurate. The lower side end of the vertical plate 4 is provided with a movable knife 6, the cutting edge of the movable knife 6 extends linearly in a second direction, and an included angle is formed between the second direction and the first direction and is an acute angle. When the vertical plate 4 moves downwards, the movable knife 6 and the fixed knife 5 form shearing work in a scissor mode and are matched with a shearing thin plate. The upper side end of the vertical plate 4 is connected with the telescopic end of the air cylinder 7, the two air cylinders 7 are arranged on the upper seat 1 in parallel, and the parts of the two air cylinders 7 connected with the vertical plate 4 are symmetrical relative to the center parting line of the vertical plate 4, so that the stress balance of the vertical plate 4 is ensured. In this embodiment, two cylinders 7 pass through control valve 71 and connect constant voltage gas holder 72, and two cylinders 7 synchronous operation, and constant voltage gas holder 72 can guarantee that operating pressure is stable, ensures that riser 4 drives shearing motion that moves sword 6 and go on steady, unanimous, cuts powerfully, the edge of a knife is neat, promotes shearing quality and efficiency. In this embodiment, a support bracket 42 and a support leg 43 are provided on the front side surface of the upright plate 4, and a through guide hole 421 is provided on the support bracket 42. Support and hold in the palm 8 last through hoist and mount mode equipment feeding pressure plate 8, feeding pressure plate 8 extends along the first direction, and the downside of this feeding pressure plate 8 is equipped with down plane 81, should push down plane 81 and lower 2 on the predetermined feeding mesa cooperation press the material, the tensioning waits to cut the sheet metal, does benefit to follow-up shearing processing, satisfies quick shearing. The upside of feeding clamp plate 8 is equipped with the bellied cavity post 82 that makes progress, and cavity post 82 has two and interval distribution on the first direction, and cavity post 82 wears to establish guide hole 421 and obtains the gesture of hanging of up-and-down motion, is equipped with compression spring 83 between cavity post 82 and the support foot 43 and props up, guarantees feeding clamp plate 8 and supports the relative position between the support 41, and satisfies feeding clamp plate 8 and follows the requirement of riser 4 up-and-down motion. When the automatic floating pressing device works, when the feeding pressing plate 8 presses the thin plate downwards, the self-adaptive floating pressing of the feeding pressing plate 8 is achieved by utilizing the elasticity of the compression spring 83, so that the automatic floating pressing device not only has a buffering effect, but also can automatically and flatly press the thin plate; simple structure, the size is small and exquisite, presses material job stabilization, reliable, and does benefit to the whole weight that reduces 4 lifts of riser, satisfies quick shearing. The rear side face of the vertical plate 4 is provided with a pressure roller 9, the pressure roller 9 extends along the first direction, the pressure roller 9 is used for pressing down the plate and limiting the sheared plate, and the fixed knife 5 and the movable knife 6 are sheared in the area between the feeding pressing plate 8 and the pressure roller 9. During operation, the pressure roll 9 follows the riser 4 and descends, and the pressure roll 9 pushes down corresponding sheet metal, cooperation feeding clamp plate 8, and the pressure is pressed around forming, makes the stationary knife 5 of laminating of sheet metal ability, does benefit to quick shearing, and the pressure roll 9 still has the pushing down effect to the minute board after shearing, makes the minute board after shearing effectively fall the position and cooperate subsequent pay-off processing, satisfies production line requirement.

In this embodiment, support and hold in the palm 42 and be the panel of perpendicular riser 4, support and hold in the palm 42 and form parallel arrangement from top to bottom with feeding clamp plate 8, simple structure, small and exquisite, convenient preparation and equipment when satisfying feeding clamp plate 8 installation, still can effectively reduce the whole weight on the riser 4, do benefit to quick shearing. The knife groove 44 is arranged at the lower side end of the vertical plate 4, the knife groove 44 is formed by recessing the corresponding part of the front side surface of the vertical plate 4, and the shape and the size of the knife groove 44 are matched with those of the moving knife 6; the movable knife 6 is favorably installed in an aligned mode, the installation is stable and reliable, and the whole weight of the vertical plate 4 can be effectively reduced.

In this embodiment, a travel switch 45 for limiting the ascending and descending is further disposed on the corresponding guide sleeve 41, and the travel switch 45 is triggered by matching with a preset travel point position of the upper seat 1, so that the air cylinder 7 is controlled to work through the control valve 71, and the vertical plate 4 is effectively controlled to move up and down.

The utility model discloses a cylinder drive riser up-and-down motion, pneumatic means have fast advantage to utilize to move sword and stationary knife formation contained angle relation, reach the work of cuting, structural component is few, light in weight, and shearing speed is fast, satisfies the blanking and cuts the requirement, is fit for the online synchronous blanking production of match shaping machine. Meanwhile, the guide pillar structure is adopted to be matched with the movable cutter to move, the precision is high, the shearing is powerful and stable, and the shearing quality and efficiency are improved. The feeding pressing plate is supported by the compression spring, has self-adaptive floating characteristic, ensures stable compression and treats the shearing of the thin plate, and is beneficial to shearing work, the pressure roller is used for pressing down the plate and limiting the plate dividing after shearing, so that the thin plate can be attached to the fixed cutter, the quick shearing is facilitated, the pressing effect is realized on the plate dividing after shearing, the plate dividing after shearing is effectively positioned and cooperates with subsequent feeding processing, the requirements of a production line are met, the practicability is better, and the industrial utilization is met.

Of course, the present invention has been described in detail with reference to the embodiments, and only for the purpose of illustrating the technical conception and the features of the present invention, the purpose of the present invention is to enable those skilled in the art to understand the contents of the present invention and implement the same, therefore, all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A pneumatic plate shearing machine for thin plates is characterized in that: the cutting device comprises an upper seat (1), a lower seat (2) and a guide post (3) for connecting the upper seat (1) and the lower seat (2) together, wherein a fixed cutter (5) is arranged on the lower seat (2), and the cutting edge of the fixed cutter (5) extends linearly in a first direction; a vertical plate (4) capable of moving up and down is arranged between the upper seat (1) and the lower seat (2), the vertical plate (4) is positioned above the fixed cutter (5), the left side and the right side of the vertical plate (4) are respectively assembled on the guide pillar (3) through a guide sleeve (41), a movable cutter (6) is arranged at the lower side end of the vertical plate (4), the cutting edge of the movable cutter (6) extends linearly in a second direction, an included angle is formed between the second direction and the first direction, and the included angle is an acute angle; the upper side end of the vertical plate (4) is connected with the telescopic end of the air cylinder (7), two air cylinders (7) are arranged on the upper seat (1) in parallel, the two air cylinders (7) are connected with a constant-pressure air storage tank (72) through a control valve (71), and the two air cylinders (7) work synchronously; a supporting support (42) and a supporting foot (43) are arranged on the front side surface of the vertical plate (4), and a through guide hole (421) is formed in the supporting support (42); the feeding pressing plate (8) is assembled on the supporting support (42) in a hoisting mode, the feeding pressing plate (8) extends along the first direction, a pressing plane (81) is arranged on the lower side of the feeding pressing plate (8), the pressing plane (81) is matched with a feeding table top preset on the lower seat (2) for pressing, upward-protruding hollow columns (82) are arranged on the upper side of the feeding pressing plate (8), the hollow columns (82) are distributed at intervals in the first direction, the hollow columns (82) penetrate through the guide holes (421) and obtain a hanging posture moving up and down, and compression springs (83) are arranged between the hollow columns (82) and the supporting feet (43) for supporting; a material pressing roller (9) is arranged on the rear side face of the vertical plate (4), the material pressing roller (9) extends along the first direction, and the material pressing roller (9) is used for pressing down the plate and limiting the sheared plate; the fixed knife (5) and the movable knife (6) are sheared in the area between the feeding pressing plate (8) and the material pressing roller (9).

2. A pneumatic plate shearing machine for thin plates, according to claim 1, characterized in that: the supporting support (42) is a plate vertical to the vertical plate (4), and the supporting support (42) and the feeding pressing plate (8) are arranged in parallel up and down.

3. A pneumatic plate shearing machine for thin plates, according to claim 1, characterized in that: the knife groove (44) is arranged at the lower side end of the vertical plate (4), the knife groove (44) is formed by inwards recessing the corresponding part of the front side surface of the vertical plate (4), and the shape and the size of the knife groove (44) are matched with those of the movable knife (6).

4. A pneumatic plate shearing machine for thin plates, according to claim 1, characterized in that: the number of the guide columns (3) is two, and the upper end and the lower end of each guide column (3) respectively penetrate through the upper seat (1) and the lower seat (2) and are locked by nuts; and a travel switch (45) for limiting ascending and descending is arranged on the corresponding guide sleeve (41), and the travel switch (45) is matched with a preset travel point position of the upper seat (1) for triggering.