Steel Shelf Making Machine

Ⅰ、 Overview

The steel shelf making machine uses coiled metal strip as raw material, and after uncoiling, servo punching, continuous roll cold bending forming, and automatic fixed-length cutting, it is made into plates of specific shapes and specifications. The whole machine adopts PLC control and AC frequency conversion speed regulation technology to achieve continuous automatic production. It is an ideal production equipment for steel structure and metal cold bending processing industry.

Ⅱ、 Cross-sectional view: (subject to confirmation by both parties)

Section1:

Section2:

Ⅲ、 Process flow:

Material unwinding and leveling - servo feeding & hydraulic punching - roll forming - hydraulic cutting & bending (1st bending) - conveyor belt - bending (2nd bending) - material unloading

Ⅳ、 Main parameters of the unit:

1）、Unwinding and leveling machine:

1、Uncoiler: Passive unwinding, hydraulic tensioning

2、Uncoiler bearing capacity :5T

3、Inner diameter of uncoiler: φ508mm

4、Roll support range: φ470-530mm

5、Roll width：≤800mm

6、Uncoiler hydraulic system power: 2.2KW

7、Uncoiler hydraulic system oil pump: gear pump or vane pump

8、Solenoid valve of uncoiler hydraulic system: Beijing Huade

9、Uncoiler electrical control system: the main electrical components adopt well-known brands

10、Inverter: Yaskawa (Japan)

11、Leveling mechanism structure: two rollers are pinched, and seven rollers are leveled

12、Leveling roller diameter: about φ52.5mm

13、Leveling roller material: high quality 40Cr

14、Leveling shaft heat treatment method: surface high-frequency quenching treatment

15、Motor power: 4KW

2）、Servo punching mechanism

1、Servo feeder model :NC-800

2、Material width：≤800mm          

3、Allowable material thickness：≤1.0mm

4、Servo motor power：3KW    

5、Pressing and loosening mechanism: pneumatic

6、Punching mechanism structure: hydraulic three-station punching (traversing adjustment)

7、Hydraulic punching dies: 3 sets

8、Hydraulic punching mold upper and lower template material: high-quality 45 carbon steel

9、Upper and lower die material：Cr12Mov or SDK11

10、Upper and lower die heat treatment hardness: HRC58-62

Ref:

Punching Figure 1:

Punching Figure 2:

Punching Figure 3:

Punching Figure 4:

3)Molding machine

1、 Forming machine frame: high-quality steel welding after shot blasting or vibration treatment, CNC CNC gantry milling processing, the bottom surface of each archway has a positioning keyway to ensure the parallelism of the roller.

Ref:

2、 Guide feed frame structure: lateral hand wheel type, guide roller quenching treatment. (When the left and right guides are set at the feed port of the main machine, the two sides of the raw material plate enter the main machine after the left and right guidance, so that the raw material plate and the roll forming system are kept in the correct position; The guide position can be adjusted by the manual screw mechanism, and the left and right are independently adjustable. ）

3、 Forming machine structure: double wall plate cantilever automatic traversing structure, unilateral double shaft

Ref:

4、Shaft material: 40Cr quenched and tempered（HB220-260）

5、Shaft Diameter: Φ50mm

6、Roller machining method: after CNC turning, cylindrical superfinishing machining

7、Forming machine speed: 0-15m/min, excluding punching and shearing

8、Molding machine motor power: 11KW

9、Number of forming passes:

Cross-section 1: about 21 passes               

Cross-section 2: Approx. 16 lanes (one-sided hoisting)

10、Traversing motor power: 1.5KW

11、Rolling thickness :0.6-1.0mm

12、Rolling material unfolding width: subject to the actual width of the test machine plate

13、Roll die: 2 sets (cross-section 2 single-sided hoisting)

14、Roll material: 45# chrome plating

15、Roll processing method: CNC CNC lathe processing to ensure circular runout and radial runout.

16、Guards: Protective covers are installed on the transmission side

4）、Cutting & bending mechanism

1、Shearing method: hydraulic cutting & bending after forming

2、Shear die base: high-quality carbon steel is tempered after welding

3、Shearing mold: 2 sets, production of different sections to change the mold

4、Shearing Mold Material: H13(HRC58-62)

5、Hydraulic system power: 11KW

6、Solenoid valve voltage: 24V (safety voltage)

Ref:

5）Conveyor platform:

1、Conveying mode: chain conveyor

2、Motor power:2.2kw

3、Platform length: according to the length of the version

Ref:

6）Press brakes

Bending system for the stretching of stamped profiles. The length is designed according to the profile length, and the bottom of the bracket with a guide rail can be moved, so that the edges of different lengths can be bent.

Ref:

PLC control system

1、Inverter: Delta

2、The computer is controlled by PLC: Delta

3、Computer operation panel: MCGS

4、Encoder: Koyo/Omron (with length counting function), Japan

5、Other electrical components: domestic well-known brands

6、Length cut-to-length: ±1mm

Touch screen operation interface:

Appearance of PLC control cabinet:

Ⅴ、 Equipment structure composition

The main engine of the equipment is composed of an uncoiling and leveling machine, a servo punching mechanism, a roll forming host, a hydraulic cutting & bending mechanism (1 bending), a powered conveyor belt, a 2 bending mechanism, a hydraulic system, an electronic control system, etc.

The processing process of the roll parts of the equipment is completed by CNC lathes and other processing machinery, which effectively ensures the processing accuracy of the parts, and uses various process equipment and testing equipment to ensure the assembly accuracy of the equipment.

Equipment manufacturing cycle: 90 days

Equipment List

Equipment detail

Process diagram: