Novel screw-down turning device and leveler applying same

By designing a new type of pressing corner device and using a drive unit to control the lifting and lowering of the slide block, the synchronous or asynchronous drive of the upper roller is realized, which solves the problem of fatigue damage to the upper roller due to excessive stress and improves the leveling effect and equipment life of the leveling machine.

CN223440738UActive Publication Date: 2025-10-17SHANDONG HONGKANG MACHINERY MFG
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Patent Information

Application Number
CN202422850143.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-22
Publication Date
2025-10-17
Estimated Expiration
2034-11-22

AI Technical Summary

Technical Problem

The upper roller of the existing leveling machine is easily damaged by fatigue due to the large stress at the plate feeding end, which affects the leveling effect.

Method used

A novel pressing and rotating device is designed. The sliding block is raised and lowered by the drive unit to realize synchronous or asynchronous driving of the upper roller on the crossbeam, adjust the pressure distribution of the plate along the transport direction, and prevent the upper roller near the feed end from bearing excessive stress.

Benefits of technology

It effectively prevents fatigue damage to the upper roller, improves the leveling effect, and extends the service life of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a novel screw-down angle turning device and a leveler applying the same, the screw-down angle turning device comprises a cross beam and friction plates vertically arranged on the outer sides of the two ends of the cross beam along the length direction, and a driving mechanism is further arranged above the cross beam; the outer sides of the two ends of the cross beam are arc-shaped structures which protrude towards the friction plates and abut against the friction plates, the driving mechanism comprises two rotating blocks and two sliding seats, the two rotating blocks are arranged on the upper side of the cross beam in the width direction of the cross beam in a spaced mode, the two sliding seats can independently ascend and descend, arc-shaped grooves are formed in the upper sides of the rotating blocks, arc-shaped bosses are arranged on the lower sides of the sliding seats, and the bosses abut against the interiors of the grooves. The two sides of the cross beam can bear different pressing forces through asynchronous lifting of the two paintings, the cross beam can be turned by being matched with the limiting effect of the friction plate, and finally the pressure of the multiple upper rollers on the cross beam in the plate conveying direction on the plates is in a progressive increase state. And the phenomenon that the upper rotating roller close to the feeding end of the plate bears large working stress and is damaged due to fatigue is prevented.
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Description

TECHNICAL FIELD

[0001] The utility model relates to metal sheet processing device technical field, concretely is a new type of press down corner device and the flattening machine of application thereof. BACKGROUND

[0002] Flattening machine is the commonly used equipment of sheet flattening, and it usually includes several parallelly arranged lower rotating rollers and several parallelly arranged upper rotating rollers, when carrying out the flattening work of sheet, the sheet to be flattened can pass between the upper rotating rollers and the lower rotating rollers, and the stress of the sheet is eliminated through the extrusion of the upper and lower rotating rollers to complete the flattening work of the sheet, but the upper rotating rollers of the existing flattening machine are usually directly fixed on the rack or integrated on a lifting frame, which makes the pressing stress of the several upper rotating rollers on the sheet basically consistent, and in this working state, the upper rotating roller close to the sheet feeding end will bear a larger working stress, which is easy to be damaged by fatigue over a long period of time, affecting the flattening work of the sheet. SUMMARY

[0003] To solve the technical problems in the background art, the utility model provides a new type of press down corner device and a flattening machine applying the same.

[0004] The utility model technical scheme is as follows:

[0005] The utility model provides a new type of press down corner device first, including crossbeam and vertically arranged friction plate on the both ends of its length direction outside, and the top of crossbeam is equipped with driving mechanism.

[0006] As the core technical concept of the utility model, the both ends of crossbeam are convex to the friction plate, and the arc structure is tightly contacted with the friction plate, the driving mechanism includes driving unit and the compression unit of transmission connection, the driving unit is equipped with two groups, the compression unit includes two rotating blocks arranged on the upper side of crossbeam and the gap along the width direction of crossbeam, and two sliding seats arranged on the upper side of two rotating blocks and can be driven to lift by two groups of driving units respectively, the upper side of rotating block is equipped with arc groove, the lower side of sliding seat is equipped with arc boss matched with groove, the boss is tightly contacted in the groove, and the height is less than the depth of groove.

[0007] On the basis of the above structure, the lifting of the two slides can be controlled respectively by the two groups of driving units, thereby driving the cross beam to be pressed downward, and a plurality of upper rollers of the leveling machine can be arranged side by side on the cross beam, when the flatness of the plate to be processed is high, the two slides can be driven synchronously by the two groups of driving units, at this time, the pressure of the plurality of upper rollers on the cross beam is the same, when the flatness of the plate to be processed is low, the two slides can be driven asynchronously by the two groups of driving units, at this time, the pressure tightness on both sides of the cross beam is different, cooperating with the arrangement of the slide and the rotating block, and the limiting effect of the friction plate, the turning angle of the cross beam can be realized, and finally the pressure of the plurality of upper rollers on the cross beam along the plate conveying direction is in an increasing state, so as to ensure the leveling effect, and prevent the upper rotating roller close to the plate feeding end from bearing a large working stress and being damaged due to fatigue.

[0008] A novel pressing turning angle device as described above, in order to ensure the consistency of the pressure and the turning angle of the cross beam, two groups of the pressing units are arranged at the two ends of the cross beam along the length direction.

[0009] Specifically, the structure of the pressing unit comprises a pressing screw rod arranged vertically and drivingly connected with the two groups of driving units respectively, a nut is arranged on the pressing screw rod, and the nut is fixedly connected with the slide, through the cooperation of the pressing screw rod and the nut, the driving lifting of the slide can be realized, and the lifting precision of the slide is ensured, and finally the turning angle control work of the cross beam can be more accurate.

[0010] In order to make the dismounting work between the driving unit and the pressing screw rod more convenient, the pressing unit further comprises a connecting shaft arranged vertically and drivingly connected with the two groups of driving units at the upper end respectively, and the upper end of the pressing screw rod is connected with the lower end of the connecting shaft.

[0011] As a preferred embodiment, the driving unit comprises two commutators and a synchronous shaft drivingly connected with the two commutators, and one end of the synchronous shaft is further drivingly connected with a motor, the upper ends of the two connecting shafts of the two groups of pressing units located on the same side of the cross beam are drivingly connected with the two commutators respectively, so as to ensure that one motor can drive the synchronous movement of the two slides located on the same side of the cross beam, and ensure the consistency of the turning angles of the two ends of the cross beam.

[0012] A novel pressing turning angle device as described above, the cross beam comprises end plates located at the two ends thereof, the two sides of the end plates are protruded towards the friction plates, in order to ensure the stability of the turning of the cross beam, the outer side of the friction plate is further provided with a limiting plate, and the outer side of the end plate is tightly fitted with the inner side of the limiting plate.

[0013] In order to ensure the turning angle of the cross beam, the height of the boss and the depth of the groove are not less than 1.5 cm.

[0014] The utility model also provides a flattening machine, including frame, upper roller, lower roller and press down corner device, upper roller is along crossbeam length direction setting, and both ends are rotatably connected with both ends of crossbeam.

[0015] To ensure the stability of crossbeam action, the upper middle part of both ends is also connected with balance oil cylinder between crossbeam.

[0016] The utility model has the advantages that the utility model is a novel press down corner device and the flattening machine using same, based on the above structure, the lifting of two slides can be controlled respectively by two groups of driving units, thereby driving the crossbeam to press down, and the plurality of upper rollers of the flattening machine can be arranged side by side on the crossbeam, when the flatness of the plate to be processed is high, two slides can be synchronously driven by two groups of driving units, at this time, the pressure of the plurality of upper rollers on the crossbeam is the same, when the flatness of the plate to be processed is low, two slides can be asynchronously driven by two groups of driving units, at this time, the pressure tightness on both sides of the crossbeam is different, and the setting of the slide and the rotating block and the limiting effect of the friction plate can realize the corner of the crossbeam, finally, the pressure of the plurality of upper rollers on the crossbeam along the plate conveying direction on the crossbeam is in an increasing state, so as to ensure the flattening effect, and prevent the upper rotating roller close to the plate feeding end from bearing a large working stress and being damaged due to fatigue. BRIEF DESCRIPTION OF DRAWINGS

[0017] The solutions and advantages of the present application will become clear to those skilled in the art from the following detailed description of the preferred embodiments. The drawings are only for the purpose of illustrating the preferred embodiments and are not considered as limiting the present utility model.

[0018] In the drawings:

[0019] Figure 1 It is a structure schematic view of the flattening machine in the embodiment;

[0020] Figure 2 It is a structure schematic view of the press down corner device in the embodiment;

[0021] The components represented by the reference numerals in the drawings are:

[0022] 1, frame; 2, lower roller; 3, upper roller; 4, press down corner device; 41, crossbeam; 42, friction plate; 43, driving mechanism; 431, pressure tightness unit; 4311, rotating block; 4312, slide; 4313, press down lead screw; 4314, nut; 4315, connecting shaft; 432, driving unit; 4321, synchronous shaft; 4322, motor; 4323, commutator; 44, limiting plate; 5, balance oil cylinder. DETAILED DESCRIPTION

[0023] Exemplary embodiments of the present disclosure will be described in greater detail below with reference to the accompanying drawings.

[0024] Embodiment

[0025] The embodiment first provides a new type of screwdown corner device 4, referring to Figure 1 and Figure 2 , comprising a crossbeam 41 and a friction plate 42 vertically arranged at the outer side of the two ends of the crossbeam 41 in the length direction, and a driving mechanism 43 arranged above the crossbeam 41.

[0026] In order to make the structure of the screwdown corner device 4 (a new type of screwdown corner device 4 described above) more easily understood, the embodiment further provides a leveler comprising the screwdown corner device 4 described above, and specifically, the leveler further comprises a rack 1, both sides of the rack 1 are provided with mounting ports, the friction plate 42 is arranged at both sides of the mounting ports, both ends of the crossbeam 41 are located in the mounting ports, and the leveler further comprises an upper roller 3 and a lower roller 2, wherein the upper roller 3 is arranged along the length direction of the crossbeam 41 and is rotationally connected with both ends of the crossbeam 41, and the lower roller 2 is arranged on the rack 1 and is staggered with the position of the upper roller 3. The structure of the screwdown corner device 4 will be described in detail below in combination with the leveler.

[0027] In the embodiment, as the core technical concept of the utility model, the outer side of both ends of the crossbeam 41 is convex to the friction plate 42 and is in an arc-shaped structure abutting against the friction plate 42, the driving mechanism 43 comprises a driving unit 432 and a pressing unit 431 in transmission connection with the driving unit 432, wherein the driving unit 432 is arranged on the upper side of the rack 1 and comprises two groups, the pressing unit 431 comprises two rotating blocks 4311 arranged on the upper side of the crossbeam 41 and arranged in a gap along the width direction of the crossbeam 41, and two sliding seats 4312 vertically and slidably arranged on the upper side of the two rotating blocks 4311 and capable of being driven to rise and fall by the two groups of driving units 432 respectively, the upper side of the rotating block 4311 is provided with an arc-shaped groove, the lower side of the sliding seat 4312 is provided with an arc-shaped boss matched with the groove, the boss abuts against the groove and has a height less than the depth of the groove.

[0028] On the basis of the above structure, the lifting of the two sliding seats 4312 can be respectively controlled by the two groups of driving units 432, thereby driving the lower pressing of the cross beam 41, and a plurality of upper rollers 3 of the flattening machine can be arranged side by side on the cross beam 41. When the flatness of the plate to be processed is high, the two groups of driving units 432 can be used to synchronously drive the two sliding seats 4312, at this time, the pressing force of the plurality of upper rollers on the cross beam 41 is the same; when the flatness of the plate to be processed is low, the two groups of driving units 432 can be used to asynchronously drive the two sliding seats 4312, at this time, the pressing force on the two sides of the cross beam 41 is different, and in combination with the arrangement of the sliding seat 4312 and the rotating block 4311 and the limiting effect of the friction plate 42, the rotating angle of the cross beam 41 can be realized, and finally the pressing force of the plurality of upper rollers 3 on the cross beam 41 along the plate conveying direction is in an increasing state, so as to ensure the flattening effect and prevent the upper rotating roller close to the plate feeding end from bearing a large working stress and being damaged due to fatigue.

[0029] In the embodiment, the pressing unit 431 further includes a pressing screw 4313 arranged vertically and in driving connection with the two groups of driving units 432, respectively. The pressing screw 4313 is provided with a nut 4314, and the nut 4314 is fixedly connected with the sliding seat 4312. The driving unit 432 is arranged to drive the rotation of the pressing screw 4313. Through the cooperation of the pressing screw and the nut 4314, the driving lifting of the sliding seat 4312 can be realized, and the lifting precision of the sliding seat 4312 is ensured, and finally the rotating angle control of the cross beam 41 can be more accurate.

[0030] Further, in order to make the dismounting work between the driving unit 432 and the pressing screw 4313 more convenient, the pressing unit 431 further includes a connecting shaft 4315 arranged vertically and in driving connection with the two groups of driving units 432 at the upper ends, respectively. The pressing screw 4313 is rotatably connected with the rack 1 and is in clamping connection with the lower end of the connecting shaft 4315 at the upper end.

[0031] As a preferred embodiment of the embodiment, in order to ensure the consistency of the pressing force and the rotating angle of the two ends of the cross beam 41, two groups of the pressing unit 431 are arranged at the two ends of the cross beam 41 along the length direction.

[0032] As a further preferred embodiment, the driving unit 432 is arranged to include two commutators 4323 and a synchronous shaft 4321 in driving connection with the two commutators 4323. One end of the synchronous shaft 4321 is further in driving connection with a motor 4322. The upper ends of the two connecting shafts 4315 of the two groups of pressing units 431 located on the same side of the cross beam 41 are respectively in driving connection with the two commutators 4323. In this way, one motor 4322 can drive the synchronous movement of the two sliding seats 4312 located on the same side of the cross beam 41, and the rotating angles of the two ends of the cross beam 41 are consistent.

[0033] In the embodiment, the crossbeam 41 comprises end plates at both ends, the upper roller 3 is rotatably connected with the end plates, and the two sides of the end plates are protruded towards the friction plate 42. In order to ensure the stability of the rotation of the crossbeam 41, the outer side of the friction plate 42 is further provided with a limiting plate 44, and the outer side of the end plate is tightly fitted with the inner side of the limiting plate 44.

[0034] Further, in order to ensure the size of the rotation angle of the crossbeam 41, the height of the boss and the depth of the groove are not less than 1.5 cm.

[0035] In the embodiment, in order to ensure the stability of the action of the crossbeam 41, the upper middle part of both ends is further connected with a balance oil cylinder 5 between the crossbeam 41 and the rack 1, and the upper and lower ends of the balance oil cylinder 5 are respectively hingedly connected with the rack 1 and the crossbeam 41.

Claims

1. A new type of corner pressing device, characterized in that: It comprises a crossbeam (41) and friction plates (42) vertically arranged on the outer sides of both ends of the crossbeam along the length direction, and a driving mechanism (43) is also arranged above the crossbeam (41); The outer sides of both ends of the cross beam (41) are arc-shaped structures that protrude toward the friction plate (42) and are tightly pressed against the friction plate (42); The driving mechanism (43) includes a driving unit (432) and a pressing unit (431) connected thereto in a transmission manner. The driving unit (432) is provided with two groups. The pressing unit (431) includes two rotating blocks (4311) arranged on the upper side of the crossbeam (41) with a gap along the width direction of the crossbeam (41), and two sliding seats (4312) arranged on the upper side of the two rotating blocks (4311) and capable of being driven to rise and fall by the two groups of driving units (432). An arc-shaped groove is provided on the upper side of the rotating block (4311), and an arc-shaped boss is provided on the lower side of the sliding seat (4312) to match the groove. The boss is tightly pressed into the groove, and its height is less than the depth of the groove.

2. A novel corner pressing device according to claim 1, characterized in that: The pressing units (431) are provided in two groups at both ends of the crossbeam (41) along the length direction.

3. A novel corner pressing device according to claim 2, characterized in that: The pressing unit (431) includes a vertically arranged pressing screw (4313) which is respectively connected to the two sets of driving units (432). A nut (4314) is provided on the pressing screw (4313), and the nut (4314) is fixedly connected to the slide seat (4312).

4. A novel corner pressing device according to claim 3, characterized in that: The pressing unit (431) further includes a connecting shaft (4315) which is arranged vertically and has an upper end which is respectively connected to the two sets of driving units (432). The upper end of the pressing screw (4313) is connected to the lower end of the connecting shaft (4315) by a clamping connection.

5. A novel corner pressing device according to claim 4, characterized in that: The driving unit (432) includes two commutators (4323) and a synchronous shaft (4321) that is transmission-connected to the two commutators (4323), and one end of the synchronous shaft (4321) is also transmission-connected to a motor (4322); The upper ends of the two connecting shafts (4315) of the two groups of pressing units (431) located on the same side of the crossbeam (41) are respectively connected to the two commutators (4323) in a transmission manner.

6. A novel corner pressing device according to claim 1, characterized in that: The crossbeam (41) includes end plates at both ends thereof, and both sides of the end plates are raised toward the friction plate (42); A limiting plate (44) is further provided on the outer side of the friction plate (42), and the outer side of the end plate is tightly fitted with the inner side of the limiting plate (44).

7. A novel corner pressing device according to claim 1, characterized in that: The difference between the height of the boss and the depth of the groove is not less than 1.5 cm.

8. A leveling machine, comprising a frame (1), an upper roller (3) and a lower roller (2), characterized in that: Also includes a novel corner pressing device (4) according to any one of claims 1 to 7; The upper roller (3) is arranged along the length direction of the crossbeam (41), and its two ends are rotatably connected to the two ends of the crossbeam (41).

9. A leveling machine according to claim 8, characterized in that: A balancing oil cylinder (5) is connected between the upper middle portion of both ends of the crossbeam (41) and the frame (1).