CN218925787U

CN218925787U - Steel plate U-shaped cold bending forming die

Info

Publication number: CN218925787U
Application number: CN202320098735.7U
Authority: CN
Inventors: 师帅军; 陈业鹏; 张嘉嘉; 孙荣刚; 于海育; 刘润源
Original assignee: Shandong High Speed Laigang Steel Structure Co ltd
Current assignee: Shandong High Speed Laigang Steel Structure Co ltd
Priority date: 2023-02-02
Filing date: 2023-02-02
Publication date: 2023-04-28
Anticipated expiration: 2033-02-02

Abstract

The utility model discloses a steel plate U-shaped cold-bending forming die, which relates to the technical field of U-shaped bending of cold-bending steel plates and comprises a lower die holder for the U-shaped cold-bending forming die of the steel plate, wherein a die mechanism is arranged on the lower die holder and used for assisting in forming the steel plate, the die mechanism comprises a shaft sleeve arranged on the lower die holder, a roller is rotatably arranged on the shaft sleeve, the roller fixedly penetrates through a die assembly used for assisting in forming the U-shaped steel plate, a material guide shaft used for assisting in entering the inner bottom of the die assembly is rotatably arranged at the top end of the die assembly, a discharging mechanism is arranged on one side of the die assembly far away from the material guide shaft, and a male die mechanism is arranged above the material guide shaft and used for pushing out the bent steel plate.

Description

Steel plate U-shaped cold bending forming die

Technical Field

The utility model relates to the technical field of U-shaped bending of cold-formed steel plates, in particular to a U-shaped cold-formed steel plate forming die.

Background

At present, along with the continuous expansion of the application proportion of the steel structure in the building field, a large number of special-shaped structural members need to be processed and manufactured, and the U-shaped bending members are used as the most common structural types, so that the application range of the U-shaped bending members is wider.

In the prior art, the prior common practice is to adopt CAD drawing 1:1 lofting, and manually use flame heating and arc bending for molding. The method has higher requirements on the riveter, not only has higher manufacturing energy consumption and guaranteeing manufacturing precision, but also needs secondary shaping in the assembly process, damages the surface of the steel plate slightly carelessly, has lower output efficiency on finished components and has larger influence on the operation performance of steel structure enterprises, and therefore, the U-shaped cold-roll forming die for the steel plate is provided for solving the problems.

Disclosure of Invention

The utility model aims to provide a steel plate U-shaped cold-bending forming die for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a steel sheet U type cold-formed die, includes the die holder that steel sheet U type cold-formed die used, be equipped with die mechanism on the die holder, die mechanism is used for assisting the steel sheet shaping, die mechanism is including establishing the axle sleeve on the die holder, it is equipped with the roller bearing to rotate on the axle sleeve, the roller bearing is fixed to run through and is used for assisting the steel sheet to become the die subassembly of U style of calligraphy, die subassembly top rotation is equipped with the guide axle that is used for assisting the steel sheet to get into the die subassembly inner bottom, die subassembly is kept away from and is equipped with discharge mechanism on one side of guide axle, guide axle top is equipped with punch mechanism.

Preferably, the unloading mechanism is used for pushing out the bent steel plate.

Preferably, the male die mechanism is used for pushing the steel plate to slide into the female die assembly and bend into a U-shaped piece.

Preferably, the unloading mechanism comprises connecting plates arranged at two ends of the lower die holder, and the top ends of the connecting plates are connected with springs for pulling the female die assembly to turn over.

Preferably, the male die mechanism comprises a male die assembly, the top end of the male die assembly is connected with an upper die holder, and the upper die holder is connected with a fixing plate.

Preferably, the shaft sleeve is used for supporting the rolling shaft to rotate, and the rolling shaft is used for supporting the die assembly to turn over.

Preferably, the die assembly is provided with a plurality of groups of rotating sleeves which are uniformly distributed on the rolling shafts, and the rotating sleeves which are used for rotating and supporting the steel plates to slide downwards are rotatably clamped on the material guide shafts.

Preferably, the height of the connecting plate is smaller than that of the female die assembly, and the free end of the spring is connected to the side wall of one end, far away from the guide shaft, of the female die assembly.

Preferably, the male die assembly is used for pressing down the steel plate into the female die assembly, the male die assembly is of a semicircular structure, and the male die assembly is provided with a plurality of groups of evenly distributed at the bottom end of the upper die holder.

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

1. the machine oil cylinder downwards pushes the upper die base through the fixing plate to conduct pressure to the male die component, the male die component downwards pushes the steel plate, the steel plate is extruded and deformed to fall into the female die component under the guide of the rotating sleeve of the top shaft of the female die, the male die component further downwards presses the steel plate, the steel plate falls into the bottom of the female die component, the bottom of the female die component is outwards opened around the rolling shaft under vertical force, so that the top guide shaft transversely extrudes the steel plate, the spring is in a stretching state until the U-shaped plasticity of the steel plate in the female die component is completed, then the press oil cylinder ascends the male die component to withdraw from the female die component, the spring is restored to the original state, the female die component outwards opens to restore the original position, and the U-shaped piece after the bending is ejected out, so that the U-shaped rebound quantity can be eliminated, the U-shaped bending size can be ensured, steel plate damage can be avoided, meanwhile, the die structure is simple, the operation is convenient, safety and feasibility is realized, and the effect is good.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of the female die mechanism in the utility model;

FIG. 3 is a schematic view of the structure of the male die mechanism of the present utility model.

In the figure: 1. a lower die holder; 2. a female die mechanism; 21. a shaft sleeve; 22. a roller; 23. a female die assembly; 24. a material guiding shaft; 3. a discharging device; 31. a connecting plate; 32. a spring; 4. a male die mechanism; 41. a male module block; 42. an upper die holder; 43. and a fixing plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a steel plate U-shaped cold-bending forming die comprises a lower die holder 1 for the steel plate U-shaped cold-bending forming die, the lower die holder 1 is fixed on a bearing table through positioning bolts, a female die mechanism 2 is arranged on the lower die holder 1, the female die mechanism 2 is used for assisting steel plate forming, the female die mechanism 2 comprises a shaft sleeve 21 arranged on the lower die holder 1, a roller 22 is rotatably arranged on the shaft sleeve 21, the roller 22 fixedly penetrates through a female die assembly 23 for assisting steel plate to form a U shape, a guide shaft 24 for assisting steel plate to enter the inner bottom of the female die assembly 23 is rotatably arranged at the top end of the female die assembly 23, the shaft sleeve 21 is used for supporting the roller 22 to rotate, the roller 22 is used for supporting the female die assembly 23 to overturn, a plurality of groups of female die assemblies 23 are uniformly distributed on the roller 22, and a rotating sleeve for rotatably supporting the steel plate to slide downwards is rotatably clamped on the guide shaft 24.

The die assembly 23 is equipped with shedding mechanism 3 on keeping away from guide shaft 24 one side, shedding mechanism 3 is used for ejecting the steel sheet after bending, shedding mechanism 3 is including establishing the connecting plate 31 on die holder 1 both ends, and the spring 32 that is used for pulling the die assembly upset is connected on connecting plate 31 top, and connecting plate 31 highly is less than the height of die assembly 23, and spring 32 free end is connected on the lateral wall that die assembly 23 kept away from guide shaft 24 one end.

The upper side of the material guiding shaft 24 is provided with a male die mechanism 4, the male die mechanism 4 is used for pushing a steel plate to slide into the female die assembly 23 and bend into a U-shaped part, the male die mechanism 4 comprises a male die assembly 41, the top end of the male die assembly 41 is connected with an upper die holder 42, the upper die holder 42 is connected with a fixing plate 43, the male die assembly 41 is used for pressing down a steel plate into the female die assembly 23, the male die assembly 41 is of a semicircular structure, the male die assembly 41 is provided with a plurality of groups of evenly distributed at the bottom end of the upper die holder 42, the male die assembly 41 is welded on the upper die holder 42, and the fixing plate 43 is connected to a press oil cylinder through bolts.

The machine oil cylinder downwards pushes the upper die holder 42 through the fixing plate 43 to conduct pressure to the male die assembly 41, the male die assembly 41 downwards pushes the steel plate, the steel plate falls into the female die assembly 23 under the introduction of the rotating sleeve of the female die top shaft 24 after extrusion deformation, the male die assembly 41 further downwards presses the steel plate, the steel plate falls into the bottom of the female die assembly 23, the bottom of the female die assembly 23 is outwards opened around the rolling shaft 22 under vertical force, thereby the top guide shaft 24 transversely extrudes the steel plate 11, the spring 32 is in a stretching state until the U-shaped plasticity of the steel plate in the female die assembly 23 is completed, then the press oil cylinder ascends the male die assembly 41 to withdraw from the female die assembly 23, the spring 5 is restored to be original, the female die assembly 23 outwards opens to restore the original position, the U-shaped piece after bending is ejected, the U-shaped rebound quantity can be eliminated, the U-shaped bending size is ensured, the steel plate is prevented from being damaged, the bending efficiency can be improved simultaneously, the die is simple in structure, the operation is convenient, the machine oil cylinder is safe and feasible, and good effect is achieved.

Working principle: according to the utility model, the engine oil cylinder downwards pushes the upper die holder 42 through the fixing plate 43 to transfer pressure to the male die assembly 41, the male die assembly 41 downwards pushes the steel plate, the steel plate falls into the female die assembly 23 under the introduction of the rotating sleeve of the female die top shaft 24 after extrusion deformation, the male die assembly 41 further downwards presses the steel plate, the steel plate falls into the bottom of the female die assembly 23, the bottom of the female die assembly 23 is outwards opened around the rolling shaft 22 under vertical force, so that the top guide shaft 24 transversely extrudes the steel plate 11, the spring 32 is in a stretching state until the U-shaped plasticity of the steel plate in the female die assembly 23 is completed, then the male die assembly 41 is lifted by the press oil cylinder to withdraw from the female die assembly 23, the spring 5 is restored to be outwards opened to restore the original position, the U-shaped piece after bending is ejected, the U-shaped resilience amount can be eliminated, the U-shaped bending size is ensured, the steel plate is prevented from being damaged, meanwhile, the bending efficiency can be improved, the die is simple in structure, and the operation is convenient, safety and feasibility are good.

Although embodiments of the present utility model 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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a steel sheet U type cold roll forming die, includes die holder (1) that steel sheet U type cold roll forming die used, its characterized in that: be equipped with die mechanism (2) on die holder (1), die mechanism (2) are used for assisting the steel sheet shaping, die mechanism (2) are including establishing axle sleeve (21) on die holder (1), it is equipped with roller (22) to rotate on axle sleeve (21), roller (22) are fixed run through and are used for assisting the steel sheet to become die subassembly (23) of U style of calligraphy, die subassembly (23) top rotation is equipped with guide shaft (24) that are used for assisting the steel sheet to get into die subassembly (23) inner bottom, be equipped with shedding mechanism (3) on die subassembly (23) one side of keeping away from guide shaft (24), guide shaft (24) top is equipped with terrace die mechanism (4).

2. The steel plate U-shaped cold-bending forming die as set forth in claim 1, wherein: the unloading mechanism (3) is used for pushing out the bent steel plate.

3. The steel plate U-shaped cold-bending forming die as set forth in claim 1, wherein: the male die mechanism (4) is used for pushing the steel plate to slide into the female die assembly (23) and bend into a U-shaped piece.

4. The steel plate U-shaped cold-bending forming die as set forth in claim 2, wherein: the unloading mechanism (3) comprises connecting plates (31) arranged at two ends of the lower die holder (1), and the top ends of the connecting plates (31) are connected with springs (32) for pulling the female die assembly to turn over.

5. A steel sheet U-shape cold-roll forming die according to claim 3, wherein: the male die mechanism (4) comprises a male die assembly (41), the top end of the male die assembly (41) is connected with an upper die holder (42), and the upper die holder (42) is connected with a fixing plate (43).

6. The steel plate U-shaped cold-bending forming die as set forth in claim 1, wherein: the shaft sleeve (21) is used for supporting the rolling shaft (22) to rotate, and the rolling shaft (22) is used for supporting the female die assembly (23) to turn over.

7. The steel plate U-shaped cold-bending forming die as set forth in claim 1, wherein: the die assembly (23) is provided with a plurality of groups of rotating sleeves which are uniformly distributed on the rolling shafts (22), and the material guide shafts (24) are rotatably clamped with rotating sleeves for rotating the supporting steel plates to slide downwards.

8. The steel plate U-shaped cold-bending forming die as set forth in claim 4, wherein: the height of the connecting plate (31) is smaller than that of the female die assembly (23), and the free end of the spring (32) is connected to the side wall of one end, far away from the material guiding shaft (24), of the female die assembly (23).

9. The steel plate U-shaped cold-bending forming die according to claim 5, wherein: the male die assembly (41) is used for pressing down the steel plate into the female die assembly (23), the male die assembly (41) is of a semicircular structure, and the male die assembly (41) is provided with a plurality of groups of evenly distributed at the bottom end of the upper die holder (42).