CN213887839U - Roll mould of cold bending forming machine - Google Patents

Abstract

The utility model discloses a roll die of a cold-bending forming machine, which comprises a machine table, roll dies and a plate leading-in device, wherein the roll dies for a plurality of passes are arranged on the machine table along the direction of a workpiece, each roll die comprises two oppositely arranged roll frames, an upper roll and a lower roll which are movably connected between the roll frames, and a deformation layer is arranged between the upper roll and the lower roll; a plate guiding device is arranged between every two adjacent roller dies and comprises two guiding plates, the working height of each guiding plate is consistent with the height of the corresponding deformation layer, the front side edge of each guiding plate is close to the output end of the previous deformation layer, the rear side edge of each guiding plate is close to the biting end of the next deformation layer, a torsional curved surface is formed between the front side edge and the rear side edge, and the compression degree of a workpiece is gradually increased when the workpiece enters the next deformation layer from front to back through the torsional curved surface; the utility model discloses can avoid appearing the resilience because of the sheet metal roll-in back, be bitten into when next roll-in pass and the mould between produce the condition of collision damage.

Description

Roll mould of cold bending forming machine

Technical Field

The utility model belongs to the technical field of the clod wash mould, concretely relates to clod wash make-up machine roll mould.

Background

In the cold roll forming process, the plate strip is formed by rotating a roller through a plurality of passes of roller dies when being gradually formed into a final shape from a straight state. The cold roll forming of the metal at room temperature can generate springback, so that the plate can rebound to a certain degree after being rolled in the previous pass before entering the next pass, an angle difference exists between the rebounded section and the entering angle of the next pass, and if the plate directly enters the next pass, the collision damage can be simultaneously caused to the end part of the plate and a roller die; in the prior art, in order to obtain an angle specified by a drawing, an end face must be bent by an angle larger than a required shape so as to ensure that the end face just rebounds to the required shape after rolling, but because the rebounding amount is influenced by a plurality of factors, the method is difficult to ensure the rebounding accuracy of metal and depends on the experience of an operator, so that the discharging quality is very unstable.

SUMMERY OF THE UTILITY MODEL

The weak point to prior art, the utility model provides a forming machine roll mould, it has set up guiding device, can overcome the resilience volume at sheet metal before the roll mould of next pass and stabilize and will go into between the roll, and the roll internal stability pressurized slides.

The technical scheme of the utility model as follows: the cold-bending forming machine roller mold comprises a machine table, roller molds and a plate guiding device, wherein the roller molds of a plurality of passes are arranged on the machine table along the direction of a workpiece, each roller mold comprises two roller frames which are oppositely arranged, an upper roller and a lower roller which are movably and alternately connected between the two roller frames, and a deformation layer is arranged between the upper roller and the lower roller; all be equipped with a panel gatherer around between the adjacent roll mould, panel gatherer includes the introduction board that two symmetries set up, the working height of introduction board and the height-uniformity that warp the layer place, the introduction board is the curve board to one side slope, the output that the preceding deformation layer was close to its front side limit, the back side is close the bite end on the back deformation layer, form a torsional curved surface between front side and the back side, the pressurized degree crescent when the work piece gets into next deformation layer through torsional curved surface in the past backward.

Furthermore, the plate guiding device further comprises a base and two shaft sleeve assemblies, the base is arranged on the machine table, the shaft sleeve assemblies are perpendicular to the roller mold and arranged on the base, the two opposite guiding plates are fixedly connected to the two shaft sleeve assemblies respectively, and the shaft sleeve assemblies can drive the guiding plates to rotate relative to the base.

Further, axle sleeve subassembly includes outer axle sleeve, bearing and interior axle, interior fixed connection on the base, and outer axle sleeve passes through the bearing and is connected with interior rotation, and inside axle sleeve subassembly the latter half imbeds the base, is located and is equipped with the teeth of a cogwheel on the inside outer axle sleeve of base, connects through setting up the gear drive spare in the base inside between two outer axle sleeves.

Furthermore, the gear transmission part comprises two identical internal gears which rotate relatively, and the two internal gears are respectively meshed with the two outer shaft sleeves.

Further, the base is a lifting base and comprises a base and a lifting box body, the base is fixed on the machine table, and the lifting box body can move up and down relative to the base.

Furthermore, the base is connected to the machine table in a sliding manner, and the sliding direction of the base is parallel to the moving direction of the workpiece.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses roll die has set up a panel gatherer between per two roll passes, and the panel fracture that appears kick-backing after making to leave before one time can be by the plastic again, resumes the angle before the kick-backing before getting into after one time, can effectively avoid producing collision and scotch because the angle of biting into between panel fracture and the roll die.

2. In the plate leading-in device, the base has raising and lowering functions, and the axle sleeve subassembly can drive leading-in board and rotate and adjust leading-in angle, and the base can also slide on the machine platform and adjust and the distance between the pass roll mould before and after, and the regulatory function of multidimension degree makes the leading-in angle of plate change easily and adjusts, and leading-in accuracy is higher.

Drawings

FIG. 1 is a schematic structural view of a pass in a roll mold of a cold roll forming machine of the present invention;

FIG. 2 is a schematic view of the connection between the boss assembly and the interior of the base of the sheet introduction device;

FIG. 3 is a top view of a bushing assembly according to the present invention;

labeled as: the device comprises a machine table 1, a roller die 2, a roller frame 21, an upper roller 22, a lower roller 23, a deformation layer 24, a plate material guiding device 3, a guiding plate 31, a base 32, a base 321, a lifting box 322, a gear transmission part 323, an inner gear 3231, a shaft sleeve assembly 33, an outer shaft sleeve 331, a bearing 332, an inner shaft 333 and gear teeth 334.

Detailed Description

The invention is further described with reference to the following figures and examples.

Fig. 1-3 show that the utility model discloses one of them roll pass of forming machine roll mould, including board 1, roll mould 2 and panel gatherer 3, the direction that the work piece passed through is equipped with the roll mould 2 of a plurality of passes on the board 1, all is equipped with a panel gatherer 3 around between the adjacent roll mould 2.

The roller die 2 comprises two opposite roller frames 21, an upper roller 22 and a lower roller 23 which are movably connected between the two roller frames 21 in an inserting manner, and a deformation layer 24 is arranged between the upper roller 22 and the lower roller 23.

The plate material guiding device 3 comprises a base 32, two shaft sleeve assemblies 33 and two guiding plates 31 which are symmetrically arranged, wherein each shaft sleeve assembly 33 comprises an outer shaft sleeve 331, a bearing 332 and an inner shaft 333, the inner shaft 333 is fixedly connected to the base 32, the outer shaft sleeves 331 are rotatably connected with the inner shaft 333 through the bearings 332, the lower half parts of the shaft sleeve assemblies 33 are embedded into the base 32, gear teeth 334 are arranged on the outer shaft sleeves 331 positioned in the base 32, and the two outer shaft sleeves 331 are connected through a gear transmission part 323 arranged in the base 32; the gear transmission part 323 comprises two identical inner gears 3231 which rotate relatively, the two inner gears 3231 are respectively meshed with the two outer shaft sleeves 331, one inner gear 3231 is a driving gear, the other inner gear is a driven gear, the driving gear is connected with a power mechanism, and the driving gear and the driven gear rotate relatively under the driving of the power mechanism and drive the two outer shaft sleeves 331 to rotate relatively.

The two guide plates 31 are respectively fixedly connected to the outer shaft sleeve 331 and are folded inwards or unfolded outwards along with the relative rotation of the outer shaft sleeve 331, the working height of the guide plates 31 is consistent with the height of the deformation layer 24, the guide plates 31 are curved plates inclined towards one side, the front side of each guide plate is close to the output end of the previous deformation layer, the rear side of each guide plate is close to the biting end of the next deformation layer, a torsional curved surface is formed between the front side and the rear side, and the compression degree of a workpiece is gradually increased when the workpiece enters the next deformation layer 24 from the front to the back through the guide plates 31.

The base 32 is a lifting base, and comprises a base 321 and a lifting box body 322, wherein the base 321 is connected to the machine table 1 in a sliding manner, the sliding direction of the base 321 is consistent with the moving direction of a workpiece, the lifting box body 322 is connected to the upper surface of the base 321 through a telescopic column, and the lifting box body 322 can move up and down relative to the base 321 under the action of the telescopic column.

The utility model discloses an applied principle: a plate material leading-in device 3 is arranged between the front and back roll passes to lead the metal plate material to be stably bitten into the next roll die 2, wherein the leading-in plate 31 is a main component, two oppositely arranged leading-in plates 31 are respectively provided with a gradually changed torsional curved surface, the metal plate material passing through the inner side of the leading-in plates can be extruded and trimmed, the extrusion force to the edge part of the metal plate material is stably increased from front to back until the deformation layer 24 position aligned with the next pass is trimmed, and the plate material port is stably bitten; in addition, the lifting base can adjust the position of the guide plate 31 up and down to ensure that the height of the guide plate is consistent with that of the deformation layer 24; since the deformation angle generated in each pass is gradually changed, the inclination angle of the guide plate 31 in each plate material guide device 3 is also gradually changed, and an angle shaft sleeve assembly 33 capable of adjusting the folding and the separation between the two guide plates 31 is arranged, so that the device has higher use flexibility.

The above description is only for the preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes and substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also intended to be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (6)

1. A cold roll forming machine roller mould is characterized in that: the device comprises a machine table, roller dies and a plate guiding device, wherein the roller dies for multiple passes are arranged on the machine table along the direction of a workpiece, each roller die comprises two roller frames which are arranged oppositely, an upper roller and a lower roller which are movably connected between the two roller frames in an inserting mode, and a deformation layer is arranged between the upper roller and the lower roller; all be equipped with a panel gatherer around between the adjacent roll mould, panel gatherer includes the introduction board that two symmetries set up, the working height of introduction board and the height-uniformity that warp the layer place, the introduction board is the curve board to one side slope, the output that the preceding deformation layer was close to its front side limit, the back side is close the bite end on the back deformation layer, form a torsional curved surface between front side and the back side, the pressurized degree crescent when the work piece gets into next deformation layer through torsional curved surface in the past backward.

2. The roll mold of a cold roll forming machine according to claim 1, wherein: the plate guiding device further comprises a base and two shaft sleeve assemblies, the base is arranged on the machine table, the shaft sleeve assemblies are perpendicular to the roller die and are arranged on the base, the two guiding plates which are arranged oppositely are fixedly connected to the two shaft sleeve assemblies respectively, and the shaft sleeve assemblies can drive the guiding plates to rotate relative to the base.

3. A roll mold of a cold roll forming machine according to claim 2, wherein: the shaft sleeve assembly comprises an outer shaft sleeve, a bearing and an inner shaft, the inner shaft is fixedly connected to the base, the outer shaft sleeve is rotatably connected with the inner shaft through the bearing, the lower half portion of the shaft sleeve assembly is embedded into the base, gear teeth are arranged on the outer shaft sleeve located inside the base, and the two outer shaft sleeves are connected through a gear transmission part arranged inside the base.

4. A roll mold of a cold roll forming machine according to claim 3, wherein: the gear transmission part comprises two identical internal gears which rotate relatively, and the two internal gears are respectively meshed with the two outer shaft sleeves.

5. A roll mold of a cold roll forming machine according to claim 2, wherein: the base is a lifting base and comprises a base and a lifting box body, the base is fixed on the machine table, and the lifting box body can move up and down relative to the base.

6. A roll mold of a cold roll forming machine according to claim 2, wherein: the base is connected to the machine table in a sliding mode, and the sliding direction of the base is parallel to the moving direction of the workpiece.

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