CN218692793U - Steel plate pre-flanging machine - Google Patents
Steel plate pre-flanging machine Download PDFInfo
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- CN218692793U CN218692793U CN202222997321.6U CN202222997321U CN218692793U CN 218692793 U CN218692793 U CN 218692793U CN 202222997321 U CN202222997321 U CN 202222997321U CN 218692793 U CN218692793 U CN 218692793U
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- cross beam
- steel plate
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- material pressing
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Abstract
The utility model relates to a steel sheet beading machine in advance, include: the forming device comprises upright columns for supporting two ends of an upper cross beam and a lower cross beam, an upper die assembly positioned on the upper cross beam and a lower die assembly positioned on the lower cross beam, wherein the lower cross beam is driven by a jacking oil cylinder to complete forming action; wherein: the upper die assembly and the lower die assembly are correspondingly arranged on the upper cross beam and the lower cross beam, are driven by corresponding adjusting mechanisms and can be adjusted along the cross beams; a material pressing component is arranged between the upper cross beam and the lower cross beam and comprises an upper material pressing beam, a lower material pressing beam and a material pressing oil cylinder; the upper pressing beam is directly locked on the bottom surface of the upper cross beam; the lower pressing beam is embedded on the lower cross beam in a sliding manner, is supported by the pressing oil cylinder and is driven to lift, and is matched with the upper pressing beam to clamp the steel plate. The utility model discloses upper and lower mould can make things convenient for the accurate preflex position of adjusting out the steel sheet by adjustment mechanism drive energy, and the steel sheet avoids drifting at the process steel sheet of preflex with the help of pressing the stable centre gripping of material subassembly, especially seems more important in the substep section by section forming process.
Description
The technical field is as follows:
the utility model belongs to the technical field of the steel sheet tubulation, in particular to steel sheet limit machine of bending in advance especially adopts the fashioned technical scheme of section by section.
Background art:
the existing pipe-making pre-bending edge machine has two types, large tonnage can pre-bend the whole strip edge of a steel plate, the efficiency and consistency are better, but the equipment is huge and the matched hydraulic station is also large; the small tonnage can pre-bend the steel plate section by section, the whole has only a large tonnage which is a few tenths to a fraction of the large tonnage, the matching is simple, the occupied area is small, the flexibility is high, and the method is suitable for small and medium-sized pipe-making enterprises. There are also medium-sized schemes that are compatible with both features, such as:
CN201921580909.3 discloses a take tubular metal resonator make-up machine of preflex subassembly, including the brace table, be equipped with steel sheet drive mechanism on the brace table, one side of brace table is equipped with the steel sheet preflex subassembly, and one side of steel sheet preflex subassembly is equipped with cutting mechanism, and one side of cutting mechanism is equipped with tubular metal resonator bending forming mechanism. This steel sheet preflex subassembly includes the preflex box, and the both sides opening of preflex box is equipped with two mutual opposition's last preflex compressing strip in the preflex box, goes up the preflex compressing strip and is equipped with down preflex compressing strip under, and the bottom of preflex box has the base, installs the hydro-cylinder on the base, the hydro-cylinder pole of hydro-cylinder and the bottom fixed connection of preflex compressing strip down, the bottom of going up preflex compressing strip has arc protrusion compressing surface, and the top of preflex compressing strip down has arc indent compressing surface, forms preflex compressing opening between arc indent compressing surface and the arc protrusion compressing surface. The device gives a principle structure, but a plurality of imperfect factors still exist.
How to provide a more reasonable technical scheme is the object of the research of the invention.
The invention content is as follows:
the utility model aims at designing a mould slide adjusting is fit for the steel sheet preflex limit machine that different board thickness and radius preflex.
The utility model discloses technical scheme realizes like this: a steel plate pre-crimping machine comprising: the forming device comprises upright columns for supporting two ends of an upper cross beam and a lower cross beam, an upper die assembly positioned on the upper cross beam and a lower die assembly positioned on the lower cross beam, wherein the lower cross beam is driven by a jacking oil cylinder to complete forming action;
the method is characterized in that:
the upper die assembly comprises an upper die, an upper die seat and an adjusting mechanism; the upper die is suspended on an upper die base, the upper die base is embedded on upper beam guide rails on two sides of the upper cross beam in a sliding manner, and the upper die base is driven by an adjusting mechanism arranged on the bottom surface of the upper cross beam and is adjusted along the upper cross beam;
the lower die assembly comprises a lower die, a lower die base and an adjusting mechanism; the lower die is arranged on a lower die holder, the lower die holder is embedded on lower beam guide rails on two sides of the lower cross beam in a sliding manner, is driven by an adjusting mechanism arranged on the top surface of the lower cross beam, and is adjusted along the lower cross beam; further comprising:
the material pressing assembly comprises an upper material pressing beam, a lower material pressing beam and a material pressing oil cylinder; the upper pressing beam is directly locked on the bottom surface of the upper cross beam; the lower pressing beam is embedded on the lower cross beam in a sliding manner, is supported by the pressing oil cylinder and is driven to lift, and is matched with the upper pressing beam to clamp the steel plate.
The lower pressing beam is of a door-shaped structure and is erected above the surface of the lower beam, and two supporting feet of the lower pressing beam are embedded in the grooves of the lower beam guide rails on two sides of the lower beam in a sliding manner; a material pressing support beam is arranged between the upright posts on the two side surfaces of the lower cross beam, a material pressing oil cylinder is arranged on the material pressing support beam, and a plunger is abutted against the end surfaces of the two support legs.
The material pressing assembly is arranged between the upper cross beam and the lower cross beam in the middle, and a group of upper die assembly and lower die assembly are arranged on two sides of the material pressing assembly which is taken as a symmetrical plane respectively to form bilateral synchronous pre-bending of the steel plate.
The adjusting mechanism comprises screw rods, nuts and adjusting motors, the screw rods are correspondingly positioned on the upper cross beam and the lower cross beam and are parallel to the upper beam guide rail and the lower beam guide rail, the nuts in threaded fit with the screw rods can be rotatably positioned on the corresponding upper cross beam and the lower cross beam, and the nuts are in transmission connection with the adjusting motors and can drive the screw rods to feed along the axial direction.
Or, the two sets of upper die assemblies and the lower die assemblies are symmetrical, and the adjusting mechanism has the same structure and comprises a lead screw, a nut and an adjusting motor, wherein the lead screw is a double-head reverse-thread lead screw, can be rotatably and correspondingly positioned on the upper cross beam and the lower cross beam in the middle, is parallel to the upper beam guide rail and the lower beam guide rail, and is in transmission connection with the adjusting motor to drive the lead screw to rotate forwards and backwards; the screw nut in threaded fit with the screw rod is correspondingly locked on the upper transverse seat and the lower transverse seat, and the screw rod can drive the screw nut and the die holder to move axially by rotation.
The bottom of the upper die base is provided with an embedded groove, one side of the embedded groove is a fixed groove edge, the other side of the embedded groove is a movable groove edge, and the movable groove edge is provided with a detachable L-shaped clamping hook.
The upper die base is provided with an upper locking block, the lower die base is provided with a lower locking block, and the upper die base and the lower die base are locked through the following structures: 1. the locking is realized through a butterfly spring pull rod respectively, and the locking is maintained and clamped on the corresponding upper beam guide rail and the lower beam guide rail; a jacking oil cylinder is arranged between the upper die holder and the upper locking block and between the lower die holder and the lower locking block so as to generate a sliding gap; 2. the locking mechanism is directly fastened through a screw, the clamping is maintained through locking, and a sliding gap is generated through loosening; 3. and clamping the oil cylinder.
Two ends of the lower beam are respectively driven by two jacking oil cylinders, and two fast-feeding oil cylinders are arranged beside the two jacking oil cylinders in parallel.
The upper cross beam and the lower cross beam are formed by welding steel plates, the width of the steel plates on the bottom surface of the upper cross beam and the top surface of the lower cross beam is larger than that of the cross beam, and the steel plate edges extending out of two sides correspond to form an upper beam guide rail and a lower beam guide rail.
The upper die and the lower die of the utility model can be driven by the adjusting mechanism, the pre-bending position of the steel plate can be conveniently and accurately adjusted, the steel plate is stably clamped by the pressing component, the steel plate is prevented from drifting in the pre-bending process, and the device is particularly important in the step-by-step forming process; the design has the characteristics of unique conception, simple structure, easy operation and accurate forming, and is particularly suitable for a step-by-step section-by-section forming process.
Description of the drawings:
the invention is further illustrated with reference to the following specific figures:
FIG. 1 is a schematic view of a steel plate pre-flanging machine
FIG. 2 is an enlarged view of part A of FIG. 1
FIG. 3 is a front view of a steel plate pre-flanging machine
FIG. 4 is a schematic view of a steel plate pre-flanging machine without front upright posts
FIG. 5 is an exploded view of the upper cross member and the upper mold assembly
FIG. 6 is a schematic view of a portion B of FIG. 5
Wherein
1-upright column 11-cushion block
2-upper beam 21-upper beam guide rail
3-lower beam 31-lower beam guide rail
4-upper die assembly 41-upper die 42-upper die base 421-dovetail angle
422-right angle 423-L-shaped hook 4231-long arm 4232-inclined plane hook projection
43-upper locking block 44-butterfly spring pull rod
5-lower die component 51-lower die 52-lower die holder 53-lower locking block
6-jacking oil cylinder 61-fast-feeding oil cylinder
7-adjusting mechanism 71-screw 72-nut 721-chain wheel
8-pressing component 81-upper pressing beam 82-lower pressing beam 821-supporting foot
83-material pressing oil cylinder 84-material pressing support beam
The specific implementation mode is as follows:
referring to fig. 1 to 6, a steel plate pre-hemming machine includes: the device comprises a stand column 1, an upper cross beam 2, a lower cross beam 3, an upper die assembly 4, a lower die assembly 5, a jacking oil cylinder 6, an adjusting mechanism 7 and a material pressing assembly 8. The upright posts 1 are used for supporting two ends of the upper cross beam 2 and the lower cross beam 3, and can be four upright posts as shown in the figure, or two upright posts can be adopted, and the specific tonnage is determined. Correspondingly, the upper die assembly 3 is positioned on the upper cross beam 2, the lower die assembly 4 is positioned on the lower cross beam 5, the lower cross beam 3 is driven by the jacking oil cylinder 6 to complete the forming action, the bottom of the jacking oil cylinder 6 is locked on the cushion block 11 between two upright columns at the same end, and the cushion block 11 can also be directly locked on the ground or the lower end part of a single upright column to bear the reaction force.
The upper die assembly 4 comprises an upper die 41, an upper die holder 42 and an adjusting mechanism 7; the upper die 41 is hung on an upper die holder 42, the upper die holder 42 is embedded on the upper beam guide rails 21 on two sides of the upper cross beam 2 in a sliding manner, and is driven by an adjusting mechanism 7 arranged on the bottom surface of the upper cross beam 2 to adjust along the upper cross beam so as to meet the requirements of pre-bending adjustment of products with different specifications.
The lower die assembly 5 comprises a lower die 51, a lower die holder 52 and an adjusting mechanism 7; the lower die 51 is arranged on a lower die holder 52, the lower die holder 52 is embedded on the lower beam guide rails 31 on two sides of the lower beam 3 in a sliding manner, and is driven by an adjusting mechanism 7 arranged on the top surface of the lower beam 3 to adjust along the lower beam, namely, to adjust corresponding to the upper die 41.
The upper crossbeam 2 and the lower crossbeam 3 are formed by welding steel plates, the width of the steel plates on the bottom surface of the upper crossbeam 2 and the top surface of the lower crossbeam 3 is larger than the cross section of the crossbeam, the steel plate edges extending out of two sides correspondingly form an upper beam guide rail 21 and a lower beam guide rail 31, and the requirements of sliding positioning of an upper die base 42 and a lower die base 43 are met.
The material pressing assembly 8 comprises an upper material pressing beam 81, a lower material pressing beam 82 and a material pressing oil cylinder 83; the upper pressing beam 81 is directly locked on the bottom surface of the upper cross beam 2; the lower pressing beam 82 is slidably embedded on the lower cross beam 3, supported by the pressing oil cylinder 83 and driven to lift, and cooperates with the upper pressing beam 81 to clamp the steel plate. The lower pressing beam 82 and the lower cross beam 3 are both of a lifting structure, and the operation flow of clamping the steel plate and pre-bending the steel plate is completed successively. More specifically, the lower pressing beam 82 is a door-shaped structure, and is lapped above the surface of the lower beam 3, and two supporting feet 821 of the lower pressing beam are embedded in the grooves of the lower beam guide rails 31 at two sides of the lower beam in a sliding manner; a pressing support beam 84 is further arranged between the upright posts 1 on the two side surfaces of the lower cross beam 3, a pressing oil cylinder 83 is mounted on the pressing support beam 84, a plunger abuts against the end surfaces of the two supporting feet 821, and the pressing oil cylinder 83 drives the lower pressing beam 82 to move up and down.
Further, the material pressing assembly 8 is arranged between the upper cross beam 2 and the lower cross beam 3 in the center, and a group of upper die assemblies 4 and a group of lower die assemblies 5 are arranged on two sides of the material pressing assembly which is taken as a symmetrical plane respectively to form bilateral synchronous pre-bending of the steel plate, so that the efficiency is doubled.
As shown in fig. 3 and 4, the adjusting mechanisms 7 arranged on the upper beam and the lower beam are the same mechanism and comprise a screw rod 71, a nut 72 and an adjusting motor, the screw rod 71 is correspondingly positioned on the upper beam 2 and the lower beam 3 and is parallel to the upper beam guide rail 21 and the lower beam guide rail 31, the nut 72 in threaded fit with the screw rod 71 can be rotatably positioned on the corresponding upper beam and lower beam, and the nut 72 is in transmission connection with the adjusting motor and can drive the screw rod 71 to feed along the axial direction. In the figure, no adjusting motor is provided, and the output of the adjusting motor after speed change is in transmission connection with the screw 72 through a chain, so that the transmission reliability is ensured. For this purpose, a sprocket 721 is locked to the nut 72. In addition, the adjusting mechanisms 7 on the upper cross beam and the lower cross beam adopt a double-screw rod 71 structure, share one adjusting motor, can synchronously drive the die holders to shift in a balanced manner, and the upper die assembly and the lower die assembly are provided with independent adjusting motors, so that the adjusting mechanisms can adapt to independent adjustment of different plate thicknesses.
Or, the two sets of upper die assemblies 4 and lower die assemblies 5 which are symmetrical have the same structure of the adjusting mechanism 7, the adjusting mechanism 7 comprises a lead screw 71, a nut 72 and an adjusting motor, the lead screw 71 is a double-head reverse thread lead screw, can be rotatably positioned on the upper cross beam 2 and the lower cross beam 3 in the center correspondingly, is parallel to the upper beam guide rail 21 and the lower beam guide rail 31, and is in transmission connection with the adjusting motor to drive the lead screw 71 to rotate in the positive and negative directions; the screw 72 in threaded fit with the screw is correspondingly locked on the upper transverse seat 42 and the lower transverse seat 52, and the screw 71 can drive the screw 72 and the die holder to move axially by rotating.
As shown in fig. 5 and 6, the bottom of the upper mold base 42 is provided with an insertion groove, one side of the insertion groove is a fixed groove edge, the other side of the insertion groove is a movable groove edge, and the movable groove edge is provided with a detachable L-shaped hook, so that the upper mold 41 can be conveniently assembled and disassembled by means of the L-shaped hook. The specific example is that one side of the embedded groove is a dovetail angle 421, the other side is a right angle 422, and the dovetail angle 421 forms a fixed groove edge of a dovetail structure; an L-shaped hook 423 is arranged on one side of a right angle 422 of the embedded groove to form a movable groove edge; more specifically, the L-shaped hook 423 has a long arm 4231 and a slant hook boss 4232, and is locked on the side surface of the upper die holder 42 by the long arm 4231, and the slant hook boss 4232 is attached to the right angle 422 of the insertion groove to form a movable dovetail angle, so as to form a complete dovetail insertion groove; the upper part of the upper die 41 is processed into a dovetail rail 411, and the dovetail rail 411 is embedded into an embedding groove of the upper die base to form a suspension structure. This is a typical example of the upper die 41 being lifted by the upper die base 42, and other structures, such as a structure directly locked by screws, are not excluded. The lower mold 51 can be placed directly or fixed by screws.
During the pre-bending operation, the mold needs to bear larger pressure, the tangential component force is large, the mold needs to be locked reliably, and the requirement of sliding adjustment is met, therefore, the upper mold base 42 is provided with an upper locking block 43, the lower mold base 52 is provided with a lower locking block 53, and the locking is realized through the following structures respectively:
1. are locked by a belleville spring pull rod 44 and are maintained to be clamped on the corresponding upper beam guide rail 21 and the lower beam guide rail 31; a jacking oil cylinder, which is not shown in the figure, is arranged between the upper die holder 42 and the upper locking block 43 and between the lower die holder 52 and the lower locking block 53, so that a sliding gap is generated; that is, when the adjusting mechanism 7 is started to adjust the mold position, the ejection cylinder overcomes the spring force of the belleville spring pull rod 44, so that a gap is formed between the mold base and the locking block, and the adjusting resistance is reduced.
2. The locking is directly fastened through a screw, the clamping is maintained, and a sliding gap is generated by loosening.
3. The clamping oil cylinder is used for keeping the die holder and the locking block in a clamping state so as to meet the requirements of pre-bending operation, and the clamping oil cylinder is only required to be lifted off to remove pressure during adjustment.
The thickness of the pre-bending steel plate is different, the required pressure tonnage is also different, the two ends of the lower beam 3 are respectively driven by two jacking oil cylinders 6 synchronously, and the higher pressure requirement can be achieved; and two fast-advancing oil cylinders 61 are arranged beside each other beside the two jacking oil cylinders 6, as shown in fig. 4, the initial fast reaction of lifting is provided, and the time consumed by adjustment before and after pre-bending is saved.
Claims (9)
1. A steel plate pre-crimping machine comprising: the forming device comprises upright columns (1) supporting two ends of an upper cross beam (2) and a lower cross beam (3), an upper die assembly (4) positioned on the upper cross beam (2) and a lower die assembly (5) positioned on the lower cross beam (3), wherein the lower cross beam (3) is driven by a jacking oil cylinder (6) to complete forming action;
the method is characterized in that:
an upper die assembly (4) comprising an upper die (41), an upper die base (42) and an upper die (9); the upper die (41) is hung on an upper die holder (42), the upper die holder (42) is embedded on the upper beam guide rails (21) on two sides of the upper cross beam (2) in a sliding manner, and is driven by an adjusting mechanism (7) arranged on the bottom surface of the upper cross beam (2) to adjust along the upper cross beam (2);
the lower die assembly (5) comprises a lower die (51), a lower die seat (52) and an adjusting mechanism (7); the lower die (51) is arranged on a lower die holder (52), the lower die holder (52) is embedded on the lower beam guide rails (31) on two sides of the lower cross beam (3) in a sliding manner, and is driven by an adjusting mechanism (7) arranged on the top surface of the lower cross beam (3) to adjust along the lower cross beam (3); further comprising:
the material pressing assembly (8) comprises an upper material pressing beam (81), a lower material pressing beam (82) and a material pressing oil cylinder (83); the upper pressing beam (81) is directly locked on the bottom surface of the upper cross beam (2); the lower pressing beam (82) is embedded on the lower cross beam (3) in a sliding manner, is supported by the pressing oil cylinder (83) and is driven to lift, and is matched with the upper pressing beam (81) to clamp a steel plate.
2. A steel plate pre-crimping machine as claimed in claim 1, characterized in that: the lower material pressing beam (82) is of a door-shaped structure, is erected above the surface of the lower cross beam (3), and two supporting feet (821) of the lower material pressing beam are embedded in the grooves of the lower beam guide rails (31) on two sides of the lower cross beam (3) in a sliding mode; a material pressing support beam (84) is also arranged between the upright columns (1) on the two side surfaces of the lower cross beam (3), a material pressing oil cylinder (83) is arranged on the material pressing support beam (84), and a plunger abuts against the end surfaces of the two support legs (821).
3. A steel plate pre-crimping machine according to claim 1 or 2, characterized in that: the material pressing assembly (8) is arranged between the upper cross beam (2) and the lower cross beam (3) in the middle, and a group of upper die assembly (4) and lower die assembly (5) are respectively arranged on two sides of the material pressing assembly which is taken as a symmetrical plane to form bilateral synchronous pre-bending of the steel plate.
4. A steel plate pre-crimping machine as claimed in claim 3, characterized in that: the adjusting mechanism (7) is provided with two sets of upper die assemblies (4) and lower die assemblies (5) which are symmetrical, the adjusting mechanism (7) is provided with the same structure, the adjusting mechanism (7) comprises a screw rod (71), a screw nut (72) and an adjusting motor, the screw rod (71) is correspondingly positioned on the upper cross beam (2) and the lower cross beam (3) and is parallel to the upper beam guide rail (21) and the lower beam guide rail (31), the screw nut (72) in threaded fit with the screw rod (71) can be rotatably positioned on the corresponding upper cross beam (2) and lower cross beam (3), and the screw nut (72) is in transmission connection with the adjusting motor and can drive the screw rod (71) to feed along the axial direction.
5. A steel plate pre-crimping machine as claimed in claim 3, characterized in that: the device comprises two sets of symmetrical upper die assemblies (4) and lower die assemblies (5) and an adjusting mechanism (7) with the same structure, wherein the adjusting mechanism (7) comprises a screw rod (71), a screw nut (72) and an adjusting motor, the screw rod (71) is a double-end reverse-thread screw rod (71), can be rotatably, correspondingly and centrally positioned on an upper cross beam (2) and a lower cross beam (3), is parallel to an upper beam guide rail (21) and a lower beam guide rail (31), and is in transmission connection with the adjusting motor to drive the screw rod (71) to rotate positively and negatively; and a nut (72) in threaded fit with the screw rod (71) is correspondingly locked on the upper transverse seat and the lower transverse seat, and the screw rod (71) can rotate to drive the nut (72) and the die holder to move along the axial direction.
6. A steel plate pre-crimping machine as claimed in claim 3, characterized in that: the bottom of the upper die holder (42) is provided with an embedded groove, one side of the embedded groove is a fixed groove edge, the other side of the embedded groove is a movable groove edge, and the movable groove edge is provided with a detachable L-shaped clamping hook.
7. A steel plate pre-crimping machine as claimed in claim 3, characterized in that: the upper die holder (42) is provided with an upper locking block (43), the lower die holder (52) is provided with a lower locking block (53), and the upper die holder and the lower die holder are locked respectively through the following structures: 1. are respectively locked by a belleville spring pull rod (44) and are maintained to be clamped on the corresponding upper beam guide rail (21) and the lower beam guide rail (31); a jacking oil cylinder is arranged between the upper die holder (42) and the upper locking block (43) and between the lower die holder (52) and the lower locking block (53) so as to generate a sliding gap; 2. the locking mechanism is directly fastened through a screw, the clamping is maintained through locking, and a sliding gap is generated through loosening; 3. and clamping the oil cylinder.
8. A steel plate pre-crimping machine according to claim 1 or 2, characterized in that: two ends of the lower beam (3) are respectively driven by two jacking oil cylinders (6), and two fast-forward oil cylinders (61) are arranged on the two jacking oil cylinders (6) side by side.
9. A steel plate pre-crimping machine according to claim 1 or 2, characterised in that: the upper cross beam (2) and the lower cross beam (3) are formed by welding steel plates, the width of the steel plates on the bottom surface of the upper cross beam (2) and the top surface of the lower cross beam (3) is larger than the cross section of the cross beam, and the edges of the steel plates extending out of the two sides correspond to form an upper beam guide rail (21) and a lower beam guide rail (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222997321.6U CN218692793U (en) | 2022-11-10 | 2022-11-10 | Steel plate pre-flanging machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222997321.6U CN218692793U (en) | 2022-11-10 | 2022-11-10 | Steel plate pre-flanging machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218692793U true CN218692793U (en) | 2023-03-24 |
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ID=85615176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222997321.6U Active CN218692793U (en) | 2022-11-10 | 2022-11-10 | Steel plate pre-flanging machine |
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| Country | Link |
|---|---|
| CN (1) | CN218692793U (en) |
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2022
- 2022-11-10 CN CN202222997321.6U patent/CN218692793U/en active Active
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