CN204673007U - Steel pipe bundle wing plate hole numerically controlled processing equipment - Google Patents

Abstract

The utility model discloses a numerical control processing equipment for the hole of a steel pipe bundle wing plate, which comprises a supporting base, and along the length direction of the base, several conveying rollers are arranged in parallel, and the several conveying rollers are used for It constitutes a workbench for processing steel pipe bundle components; the base is provided with a gantry frame that can move along the length direction of the base and is used to install a number of drilling power heads, and the drilling power heads are mounted on the rack and pinion Under the effect of transmission, it moves laterally along the gantry frame; the bottom of the drilling power head is equipped with a drill bit used for machining holes of steel pipe bundle components. The utility model realizes the automation of the drilling work of the steel pipe bundle wing plate, and reduces the labor intensity of production personnel while ensuring product quality and production efficiency.

Description

CNC processing equipment for steel pipe beam flange hole

technical field

The utility model relates to a numerical control processing device for the hole of a steel pipe beam wing plate.

Background technique

The I-shaped steel pipe bundle member is a new type of steel structure wall member, which is composed of several thin-walled U-shaped steel pipes and a square steel pipe of equal width used to seal the opening of the U-shaped steel pipe, which are stacked and welded together. Steel tube bundle member. The outline structure of the I-shaped steel pipe bundle member is shown in Figure 1a, and the structure of the U-shaped steel pipe is shown in Figure 1b, where A is a cold-formed U-shaped steel pipe, B is a square steel pipe, and A1 is the flange of a U-shaped steel pipe. A2 is the web and A3 is the plate hole. On the wing plates of the U-shaped steel pipes forming the steel pipe bundle, there are arranged a group of small holes for interspersing steel bars in the construction of the floor slab.

The specifications of I-type steel pipe bundles are:

The length range is about 4000-12000mm, the thickness range is about 130-200mm, the height range is about 310-2100mm, and the thickness of the steel pipe bundle is about 4-6mm.

The processing procedure of the flange hole of the I-type steel pipe bundle member is processed by a radial drilling machine at the initial stage of development, that is, after the assembly and welding of the I-type steel pipe bundle member is completed, the workers operate the radial drill to drill the small holes on the steel pipe bundle flange one by one Drilling. This process has problems such as high labor intensity, low production efficiency, and high cost.

Contents of the invention

In order to overcome the above-mentioned defects in the manual operation of the existing steel pipe bundle flange drilling process, the utility model provides a method to automate the drilling work of the steel pipe bundle flange, which can reduce the labor intensity of production personnel while ensuring product quality and production efficiency. CNC machining equipment for steel pipe bundle flange holes.

The technical scheme that the utility model adopts is:

The CNC processing equipment for the flange hole of the steel pipe bundle includes a supporting base, which is characterized in that a number of conveying rollers are arranged in parallel along the length direction of the base, and several of the conveying rollers are used to form the steel pipe bundle Workbenches for component processing;

The base is provided with a gantry frame movable along the length direction of the base for installing several drilling power heads, and the drilling power heads can move laterally along the gantry frame; The bottom of the drilling power head is equipped with a drill bit for machining holes in steel pipe bundle members.

The horizontal sliding plate is installed on the gantry frame, and the horizontal sliding plate is installed on the gantry frame through the rolling linear guide pair, and the top of the horizontal sliding plate is equipped with a horizontal moving motor, and the horizontal sliding plate is mounted on the gantry frame. The sliding plate drives the drilling power head to move laterally along the gantry frame.

The top of the gantry frame is also equipped with a rack and pinion transmission pair, and the rack and pinion transmission pair is drivingly connected to the lateral movement motor, and several of the drilling power heads are driven by the rack and pinion transmission. Move laterally along the gantry frame respectively.

The drilling power head includes a main shaft motor and a multi-axis gearbox, the upper end of the main shaft motor is connected to a coupling, and the lower end is provided with the multi-axis gearbox, and the multi-axis gearbox includes a main transmission shaft , both sides of the main transmission shaft are respectively connected to a main shaft through a gear transmission pair, and the bottom of the main shaft is equipped with the drill bit.

Several conveying rollers are installed on the base through a conveying roller frame, and the conveying rollers are driven by a motor through a sprocket.

A chip conveyor for discharging chips is installed under the conveying roller frame, and the chip conveyor includes tail wheels of the chip conveyor installed at both ends of the workbench, sleeved on the tail wheels of the chip conveyor and can be The chip removal chain plate rotates with the rotation of the tail wheel of the chip conveyor and the chip discharge end with a chip discharge port installed at the end of the workbench. The chip removal chain plate and the chip discharge end cooperate with each other.

Both sides of the workbench are respectively provided with a fixed transverse clamping device and a movable transverse clamping device for adjusting the transverse spacing according to the different sizes of the steel pipe bundle members.

The left and right ends of the workbench are respectively provided with longitudinal clamping devices for positioning and clamping the steel pipe bundle members in the length direction during the processing.

Intermediate rollers are installed on the middle parts of both sides of each of the conveying rollers, and the intermediate rollers are in contact with the conveying rollers, and the intermediate rollers are fixed on the base through the intermediate roller brackets .

The main structural composition and functional characteristics of the CNC machining equipment used for drilling I-type steel pipe bundle flanges are as follows:

Base: As the basic part of the equipment, it is used to install, connect and support other components of the equipment.

Chip conveyor tail wheel: As an important part of the chip conveyor, the chip conveyor is composed of the chip discharge end and the chip conveyor chain plate, and driven by the drive motor of the chip conveyor, it supports and drags the chip conveyor chain plate for discharge. The chips are circulated to remove the chips from the chip discharge end.

Conveyor Roller Rack: Used to support the conveyor rollers driven by sprockets.

Conveying roller: several conveying rollers are installed on the conveying roller frame, driven by the motor through the chain wheel to rotate synchronously, and together constitute the workbench for processing steel pipe bundle components.

Gantry frame: used to install the drilling power head, and as a walking part of the equipment, it drives the drilling power head to run along the length direction (longitudinal) of the base to realize the longitudinal positioning of the hole processing.

Rack and pinion transmission pair: installed on the top of the gantry frame, driven by the horizontal servo motor, it drives the drilling power head to run along the width direction (horizontal) of the base to realize the lateral positioning of hole processing.

Horizontal moving motor: installed on the top of the horizontal sliding plate, used to drive the rack and pinion transmission pair, and drive each drilling power head to move laterally along the gantry frame respectively, so as to realize the drilling positioning of the U-shaped steel pipe wing plate holes of the steel pipe bundle.

Horizontal sliding plate: The rolling linear guide rail is installed on the gantry frame, and the drilling power head is installed on the rolling linear guide rail. Driven by the motor, the drilling power head is driven to realize lateral positioning movement.

Multi-axis gearbox: As one of the important components of the drilling power head, it is installed on the lower part of the main shaft motor, and the single-axis movement of the motor can be driven by the transmission gear pair to drive two drilling main shafts to realize each power. Simultaneous drilling of two holes of the head.

Steel pipe bundle components: It is composed of several U-shaped steel pipes and a square steel pipe welded together. During drilling and processing, it is horizontally positioned and clamped on the workbench; three groups of U-shaped steel pipes are evenly distributed along the length direction (each group 2*2 wing plate holes) holes need to be processed.

Horizontal clamping device: Arranged on the upper and lower sides of the workbench, one side is fixed as the component positioning reference, and the other side can move laterally to achieve lateral clamping of the workpiece.

Intermediate rollers: The conveying rollers used as the workbench are slender rods. In order to improve the rigidity of the conveying rollers during processing and avoid deformation during long-term use, the intermediate rollers are used to support the rigidity.

Longitudinal clamping device: installed at the left and right ends of the work, used for positioning and clamping the length of the workpiece during processing.

The beneficial effects of the utility model are reflected in:

1) Multi-drilling power heads: In order to improve the processing efficiency and adapt to the actual situation of large width and size of steel pipe bundle members, multi-drilling power heads are specially used for synchronous drilling processing, which has high processing efficiency, high hole position accuracy, and occupies less space. The processing site is concentrated and other advantages.

2) Multi-axis drilling processing: Each drilling power head is equipped with two drilling spindles, as shown in Figure 4, through the spindle motor and coupling, the rotary motion is transmitted to the main drive shaft, and then Through the transmission of the gear transmission pair, the rotary motion is transmitted to the two drilling spindles, and finally the two drill bits are driven to perform the main rotary motion, realizing single-power multi-axis drilling processing; improving processing efficiency, reducing processing energy consumption, and It also guarantees the accuracy requirements of each U-shaped steel pipe for the spacing of each row of holes.

3) Ways to improve the rigidity of the conveying roller: As the conveying roller that forms the equipment workbench, it is a slender rod component. During the drilling process, the middle part of the conveying roller will have a weakened rigidity due to excessive length, which will seriously affect the steel pipe bundle. In order to improve the overall rigidity of the conveying roller, the flange hole of the component is drilled, and the support method of the intermediate idler is adopted at the lower part of the conveying roller to solve the problem of weak rigidity of the conveying roller.

Description of drawings

Figure 1a is a schematic diagram of the structure of an I-shaped steel tube bundle.

Figure 1b is a schematic diagram of the structure of a U-shaped steel tube bundle.

Fig. 2 is a front view of the overall structure of the utility model.

Fig. 3 is a top view of the overall structure of the utility model.

Fig. 4 is a side view of the overall structure of the utility model.

Fig. 5a is a schematic diagram of a partial structure of the drilling power head of the present invention.

Fig. 5b is a schematic diagram of the overall structure of the drilling power head of the present invention.

Fig. 6a is a schematic diagram of the overall structure of the intermediate roller of the present invention.

Fig. 6b is a schematic diagram of the partial structure of the intermediate roller of the present invention.

Detailed ways

Referring to Fig. 1a to Fig. 6b, the numerical control processing equipment for the flange hole of steel pipe bundle includes a supporting base 1, and several conveying rollers 4 are arranged in parallel along the length direction of the base 1, and several conveying rollers 4 are arranged in parallel along the length direction of the base 1. The roller 4 is used to form a workbench for processing the steel pipe bundle member 12;

The base 1 is provided with a gantry frame 5 that can move along the length direction of the base and is used to install several drilling power heads. The drilling power head 8 can move horizontally along the gantry frame 5 Move; the bottom of the drilling power head 8 is equipped with a drill bit 11 for machining the holes of steel pipe bundle members.

A horizontal slide 9 is installed on the gantry frame 5, and the horizontal slide 9 is installed on the gantry frame 5 through a rolling linear guide pair, and a lateral movement motor is installed on the top of the horizontal slide 9 7. The horizontal sliding plate 9 drives the drilling power head 8 to move laterally along the gantry frame 5 .

The top of the gantry frame 5 is also equipped with a rack-and-pinion transmission pair 6, and the rack-and-pinion transmission pair 6 is drivingly connected with the described lateral movement motor 7, and several of the drilling power heads 8 are mounted on the gears. Under the action of the rack gear transmission pair 6, they move laterally along the gantry frame 5 respectively.

The drilling power head 8 includes a main shaft motor 81 and a multi-axis gearbox 10. The upper end of the main shaft motor 81 is connected to a coupling 82, and the lower end is provided with the multi-axis gearbox 10. The multi-axis The gear box includes a main transmission shaft 103, the two sides of the main transmission shaft 103 are respectively connected to a main shaft 101 through a gear transmission pair 102, and the drill bit 11 is installed on the bottom of the main shaft 101.

Several of the conveying rollers 4 are installed on the base 1 through the conveying roller frame 3, and the conveying rollers 4 are driven by a motor through a sprocket.

A chip conveyor for discharging chips is installed under the conveying roller frame 3, and the chip conveyor includes a chip conveyor tail wheel 2 installed at both ends of the workbench, and is sleeved on the chip conveyor tail wheel 2. A chip removal chain plate that can rotate with the tail wheel of the chip conveyor and a chip discharge end 16 with a chip discharge port installed at the end of the workbench. The chip removal chain plate and the chip discharge end 16 cooperate with each other.

Both sides of the workbench are respectively provided with a fixed transverse clamping device 13 and a movable transverse clamping device for adjusting the transverse spacing according to the different sizes of steel pipe bundle members.

The left and right ends of the workbench are respectively provided with longitudinal clamping devices 15 for positioning and clamping the steel pipe bundle members in the length direction during processing.

Intermediate idlers 14 are respectively installed on the middle parts of both sides of each of the conveying rollers, and the intermediate idlers 14 abut against the conveying rollers, and the intermediate idlers 14 are fixed by the intermediate idler brackets 141 on base 1.

The main structural composition and functional characteristics of the CNC machining equipment used for drilling I-type steel pipe bundle flanges are as follows:

Base: As the basic part of the equipment, it is used to install, connect and support other components of the equipment.

Chip conveyor tail wheel: As an important part of the chip conveyor, the chip conveyor is composed of the chip discharge end and the chip conveyor chain plate, and driven by the drive motor of the chip conveyor, it supports and drags the chip conveyor chain plate for discharge. The chips are circulated to remove the chips from the chip discharge end.

Conveyor Roller Rack: Used to support the conveyor rollers driven by sprockets.

Conveying roller: several conveying rollers are installed on the conveying roller frame, driven by the motor through the chain wheel to rotate synchronously, and together constitute the workbench for processing steel pipe bundle components.

Gantry frame: used to install the drilling power head, and as a walking part of the equipment, it drives the drilling power head to run along the length direction (longitudinal) of the base to realize the longitudinal positioning of the hole processing.

Rack and pinion transmission pair: installed on the top of the gantry frame, driven by the horizontal servo motor, it drives the drilling power head to run along the width direction (horizontal) of the base to realize the lateral positioning of hole processing.

Horizontal moving motor: installed on the top of the horizontal sliding plate, used to drive the rack and pinion transmission pair, and drive each drilling power head to move laterally along the gantry frame respectively, so as to realize the drilling positioning of the U-shaped steel pipe wing plate holes of the steel pipe bundle.

Horizontal sliding plate: The rolling linear guide rail is installed on the gantry frame, and the drilling power head is installed on the rolling linear guide rail. Driven by the motor, the drilling power head is driven to realize lateral positioning movement.

Multi-axis gearbox: As one of the important components of the drilling power head, it is installed on the lower part of the main shaft motor, and the single-axis movement of the motor can be driven by the transmission gear pair to drive two drilling main shafts to realize each power. Simultaneous drilling of two holes of the head.

Steel pipe bundle components: It is composed of several U-shaped steel pipes and a square steel pipe welded together. During drilling and processing, it is horizontally positioned and clamped on the workbench; three groups of U-shaped steel pipes are evenly distributed along the length direction (each group 2*2 wing plate holes) holes need to be processed.

Horizontal clamping device: Arranged on the upper and lower sides of the workbench, one side is fixed as the component positioning reference, and the other side can move laterally to achieve lateral clamping of the workpiece.

Intermediate rollers: The conveying rollers used as the workbench are slender rods. In order to improve the rigidity of the conveying rollers during processing and avoid deformation during long-term use, the intermediate rollers are used to support the rigidity.

Longitudinal clamping device: installed at the left and right ends of the workbench, used for positioning and clamping the length of the workpiece during processing.

In this embodiment, the production process of the CNC machining equipment for the flange hole of the steel pipe bundle is as follows:

1. Hoisting and positioning of steel pipe bundle components: the operator lifts the steel pipe bundle components to the workbench with lifting equipment, lays them flat, and positions the clamping mechanism close to the side and end, then carries out side and end inspection of the steel pipe bundle components. Clamp to the top.

2. The position adjustment of the drilling power head: Since the U-shaped steel pipes constituting the steel pipe bundle members have different specifications, the spacing between the flange holes of each steel pipe bundle member is also different. When using the drilling power head to synchronize the U-shaped steel pipes Before drilling, it is necessary to adjust the horizontal spacing and vertical height of the drilling power head to meet the requirements of the spacing between the flange holes of steel pipe bundles of different specifications; the longitudinal position adjustment is realized by the longitudinal movement of the gantry frame, and the adjustment of the horizontal hole position Rely on the lateral movement of each drilling power head along the gantry frame to complete.

3. Drilling of the flange holes of the steel pipe bundle: After adjusting the distance between the drilling power heads, the simultaneous automatic drilling of each group of flange holes of the steel pipe bundle components can be carried out. The rotary motion of the drill bit is realized by the rotation and drag of the spindle motor, and the up and down motion of the drill bit is driven by the vertically moving hydraulic cylinder. When drilling, each power head is used to process three groups of flange holes on each U-shaped steel pipe (each group of flange holes on each U-shaped steel pipe has 2*2 holes) The processing method of the flange hole, each flange hole is formed by the upper , The hole of the lower wing plate forms a through hole, and each drilling power head has two drilling spindles, which can process two holes in each row on the U-shaped steel pipe at the same time. Firstly, starting from the two holes in the first row of the first group of holes at one end of the steel pipe bundle, each drilling power head performs synchronous drilling under automatic control. After the drilling of the first row of two holes on each U-shaped steel pipe is completed, each drilling power head is driven by the gantry frame to move to the second row of two holes in the first group of holes and perform drilling . If the number of U-shaped steel pipes forming the steel pipe bundle is more than the number of drilling power heads of the equipment, after the first batch of hole drilling is completed, each drilling power head will move longitudinally along the gantry frame and automatically locate to the undrilled position. At the hole position, continue the drilling process until all the drilling of each group of holes in the steel pipe bundle is completed.

4. After the drilling of the first group of flange holes of the steel pipe bundle member is completed, under the instruction of the numerical control system, the gantry frame drives each drilling power head, and automatically traverses to the first row of holes in the second group of holes for drilling. Positioning drilling is performed in such a circular drilling process until all three groups of flange holes of a steel tube bundle member are processed.

5. When all the flange holes of the steel pipe bundle member are processed, the operator uses the lifting equipment to unload the steel pipe bundle member from the conveying roller table, and prepares for the hole processing of the next steel pipe bundle member.

The content described in the embodiments of this specification is only an enumeration of the implementation forms of the inventive concept, and the protection scope of the present utility model should not be regarded as limited to the specific forms stated in the embodiments, and the protection scope of the present utility model also extends to this invention. Equivalent technical means that those skilled in the art can think of according to the concept of the utility model.

Claims (9)

1. steel pipe bundle wing plate hole numerically controlled processing equipment, comprises the pedestal play supporting role, it is characterized in that: be furnished with some conveying rollers along parallel on the length direction of described pedestal, and some described conveying rollers are in order to form steel pipe bundle component processing workbench;

Described pedestal is provided with can along the gantry stand in order to install some drill units of the length direction movement of pedestal, and described drill unit can along described gantry stand transverse shifting; The bottom of described drill unit is provided with the drill bit in order to steel pipe bundle component hole tool.

2. steel pipe bundle wing plate hole as claimed in claim 1 numerically controlled processing equipment, it is characterized in that: described gantry stand is provided with transverse slide carriage, described transverse slide carriage is arranged on gantry stand by linear rolling guide, and the top of described transverse slide carriage is provided with transverse mobile motor, described transverse slide carriage drives drill unit along gantry stand transverse shifting.

3. steel pipe bundle wing plate hole as claimed in claim 2 numerically controlled processing equipment, it is characterized in that: the top of described gantry stand is also provided with rack pinion pair, the secondary driving with described transverse mobile motor of described rack pinion is connected, the drill unit described in some under rack pinion side effect respectively along gantry stand transverse shifting.

4. the steel pipe bundle wing plate hole numerically controlled processing equipment as described in one of claims 1 to 3, it is characterized in that: described drill unit comprises spindle motor and multi-shaft gear box, the upper end of described spindle motor connects shaft coupling, lower end is provided with described multi-shaft gear box, described multi-shaft gear box comprises final drive shaft, the both sides of described final drive shaft are connected with a spindle drive respectively by gear driving pair, and the bottom of described main shaft is provided with described drill bit.

5. steel pipe bundle wing plate hole as claimed in claim 4 numerically controlled processing equipment, is characterized in that: some described conveying rollers are arranged on pedestal by conveying roller frame, and described conveying roller passes through chain gear transmission by motor.

6. steel pipe bundle wing plate hole as claimed in claim 5 numerically controlled processing equipment, it is characterized in that: the below of described conveying roller frame is provided with the chip cleaner for discharging chip, described chip cleaner comprise be arranged on workbench two ends chip cleaner tail wheel, be set on chip cleaner tail wheel and the chip removal carrier bar that can rotate with chip cleaner tail wheel and rotate and be arranged on the chip discharge end with chip discharge mouth of workbench end, described chip removal carrier bar and chip discharge end cooperatively interact.

7. steel pipe bundle wing plate hole as claimed in claim 6 numerically controlled processing equipment, is characterized in that: the both sides of described workbench are respectively arranged with the horizontal clamp device of movable type of fixed horizontal clamp device and the different size adjustment horizontal spacing according to steel pipe bundle component.

8. steel pipe bundle wing plate hole numerically controlled processing equipment as claimed in claims 6 or 7, is characterized in that: the two ends, left and right of described workbench be respectively arranged with in order in process to longitudinal clamp device of the positioning and clamping in steel pipe bundle component length direction.

9. steel pipe bundle wing plate hole as claimed in claim 8 numerically controlled processing equipment, it is characterized in that: the middle part of the both sides of every conveying roller described in root is separately installed with middle carrying roller, and described middle carrying roller abuts with conveying roller, described middle carrying roller is installed on pedestal by middle roller rack.