CN211515763U

CN211515763U - Steel pipe perforation production line

Info

Publication number: CN211515763U
Application number: CN202020056105.XU
Authority: CN
Inventors: 梁凤凯; 张君; 谢卿; 张爱国; 李�浩; 李庆峰; 赵建波
Original assignee: SHANDONG HENGDA CO Ltd
Current assignee: SHANDONG HENGDA CO Ltd
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-09-18
Anticipated expiration: 2030-01-13

Abstract

The utility model provides a steel pipe perforation production line, includes according to material advancing direction in proper order and includes the raw materials rack, shifts and hold in the palm work or material rest, first transmission device, sawing machine, scale work piece frame, second transmission device, the bracket and the piercing press of punching a hole, has accomplished the truncation of supplied materials raw and other materials, has punched a hole on whole production line. All machining processes of the black leather are completed at one time, and the reciprocating material transportation of a sawing machine, a punching machine and the like is reduced. The oil cylinder overturning, chain dragging and positioning device are arranged, so that the machining precision is improved, the production efficiency is improved, and the labor intensity of workers is reduced.

Description

Steel pipe perforation production line

Technical Field

The invention relates to the field of steel pipe machining, in particular to a production line for steel pipe perforation.

Background

Steel pipes are not only used for transporting fluids and powdery solids, exchanging heat energy, manufacturing mechanical parts and containers, but also are economical steels. The steel pipe is used for manufacturing the building structure net rack, the supporting column and the mechanical support, so that the weight can be reduced, the metal can be saved by 20-40%, and the industrialized mechanized construction can be realized. The steel pipe is used for manufacturing the highway bridge, so that steel can be saved, the construction is simplified, the area of a coating protective layer can be greatly reduced, and the investment and the maintenance cost are saved.

The general steps in the process of perforating steel pipes are blanking of a sawing machine, transporting backwards by a forklift, punching by a single-group perforating machine, transporting backwards by the forklift, punching holes at the other end of the punching machine, transporting backwards by the forklift to a pickling hot-dip galvanizing working area,

when transporting the steel pipe, the majority of use still is manual operation, utilize the manual work to carry the steel pipe to the workstation promptly, and processing or transport the completion back, get off by artifical transport again, place in predetermined position, not only make workman intensity of labour high, machining error is big, and production efficiency is low moreover, and production is discontinuous, leads to the productivity low, and the processing cost is higher, is difficult to satisfy large-scale production demand.

Disclosure of Invention

The invention aims to solve the technical problem of providing a steel pipe perforation production line which improves the production efficiency and reduces the labor intensity of workers.

The technical scheme of the invention is as follows:

a steel pipe perforation production line comprises a raw material placing frame, a transfer material supporting frame, a first conveying device, a sawing machine, a fixed-length workpiece frame, a second conveying device, a punching bracket and a punching machine in sequence according to the advancing direction of materials, and is characterized in that the raw material placing frame is provided with a material blocking device, the material blocking device comprises an L-shaped material blocking frame, one end of the material blocking frame is hinged with the raw material placing frame through a turnover pin shaft, the other end of the material blocking frame is provided with a lifting oil cylinder, the discharging end of the raw material placing frame is connected with the transfer material supporting frame, the discharging end of the transfer material supporting frame is connected with the first conveying device, the first conveying device is provided with a plurality of groups of power rollers, the power rollers are controlled through a driving device, the sawing machine is arranged between the discharging end of the first conveying device and the feeding end of the fixed-length workpiece frame, the fixed-length, the side face of the workbench is hinged to the fixed-length workpiece frame, the bottom of the workbench is connected with the turnover oil cylinder, the side face of the fixed-length workpiece frame is provided with a second transmission device, the discharge end of the second transmission device is provided with a punching bracket, and one end or two ends of the punching bracket are provided with punching machines.

Further, it does not be equipped with the main chain wheel axle and follows the chain wheel axle equally to shift the both ends of holding in the palm work or material rest and second transmission device, the centre of main chain wheel axle is equipped with the main chain wheel, the both sides of main chain wheel are equipped with two from the sprocket, the both ends of following the chain wheel axle are equipped with two from the sprocket, be equipped with the chain transmission band between the main chain wheel axle and the follow sprocket of following the chain wheel axle, the motor is connected to the main chain wheel.

Further, be equipped with positioner on the first transmission device, the limiting plate that the locating position was managed and was inserted with locating square pipe including symmetry setting two location side in first transmission device both sides, all be equipped with the multiunit locating hole on the side pipe of location, the locating hole setting position on two location side pipes is the same, the limiting plate includes rectangular plate body, plate body both sides bottom be equipped with locating hole complex pin rod.

Furthermore, four groups of unpowered rollers are arranged on the workbench, a liftable workpiece rotating plate is arranged at the center of the workbench, a jacking oil cylinder is arranged at the bottom of the rotating plate, and the rotating plate is connected with the oil cylinder through a rotating bearing.

Furthermore, a plurality of groups of dumbbell-shaped carrier rollers are arranged on the punching bracket, the middle section of each dumbbell-shaped carrier roller is made of a straight seamless tube, the two ends of each dumbbell-shaped carrier roller are round tables which are welded, a through shaft is arranged in each dumbbell-shaped carrier roller, and bearings connected with the punching bracket are arranged at the two ends of each dumbbell-shaped carrier roller.

Further, the second conveying device, the punching bracket and the punching machine may be provided in plural sets.

The beneficial effect of this application does:

all machining processes of the black skin are finished on the whole production line at one time, and the reciprocating material transportation of a sawing machine, a punching machine and the like is reduced, so that the raw material cutting and punching are finished; the oil cylinder overturning, chain dragging and positioning device are arranged, so that the machining precision is improved, the production efficiency is improved, and the labor intensity of workers is reduced.

Drawings

FIG. 1 is a schematic structural diagram of the present application;

FIG. 2 is a schematic view of the raw material placing rack of the present application;

FIG. 3 is a schematic view of a construction of a workpiece support of the present application;

fig. 4 is a schematic structural diagram of a positioning device according to the present application.

In the figure: the automatic cutting machine comprises a raw material placing frame 1, a material blocking frame 11, a turnover pin shaft 12, a lifting oil cylinder 13, a transfer material supporting frame 2, a main chain wheel shaft 21, a secondary chain wheel shaft 22, a main chain wheel 23, a secondary chain wheel 24, a chain transmission belt 25, a first transmission device 3, a power roller 31, a positioning square pipe 32, a limiting plate 33, a positioning hole 34, a pin rod 35, a sawing machine 4, a sizing workpiece frame 5, a workbench 51, an unpowered roller 52, a turnover oil cylinder 53, a rotating plate 54, a jacking oil cylinder 55, a rotating bearing 56, a second transmission device 6, a punching bracket 7, a dumbbell-shaped carrier roller 71 and a punching machine 8.

Detailed Description

The invention is further described with reference to the following description and embodiments in conjunction with the accompanying drawings.

A steel pipe perforation production line comprises a raw material placing frame 1, a transfer material supporting frame 2, a first conveying device 3, a sawing machine 4, a fixed-length workpiece frame 5, a second conveying device 6, a punching bracket 7 and a punching machine 8 in sequence according to the advancing direction of materials, and is characterized in that a material blocking device is arranged on the raw material placing frame 1 and comprises an L-shaped material supporting frame 11, one end of the material supporting frame 11 is hinged with the raw material placing frame through a turnover pin shaft 12, the other end of the material supporting frame is provided with a lifting oil cylinder 13, the discharging end of the raw material placing frame is connected with the transfer material supporting frame 2, the discharging end of the transfer material supporting frame is connected with a first conveying device 3, a plurality of groups of power rollers 31 are arranged on the first conveying device 4, the power rollers 31 are controlled through a driving device, the sawing machine 4 is arranged between the discharging end of the first conveying device 3 and the feeding end, be equipped with workstation 51 on the scale work rest 5, be equipped with the unpowered cylinder 52 of multiunit on the workstation 51, workstation 51 side is articulated with scale work rest 5, upset hydro-cylinder 53 is connected to workstation 51 bottom, scale work rest 5 side is equipped with second transmission device 6, the discharge end of second transmission device 6 is equipped with punching bracket 7, the one end or the both ends of punching bracket 7 are equipped with piercing press 8.

Further, a main chain wheel shaft 21 and a secondary chain wheel shaft 22 are respectively arranged at two ends of the transferring material supporting frame 2 and the second transmission device 6, a main chain wheel 23 is arranged in the middle of the main chain wheel shaft 21, two secondary chain wheels 24 are arranged at two sides of the main chain wheel 23, two secondary chain wheels 24 are arranged at two ends of the secondary chain wheel shaft 22, a chain transmission belt 25 is arranged between the main chain wheel shaft 21 and the secondary chain wheels 24 of the secondary chain wheel shaft 22, the main chain wheels are connected with a motor, and the second transmission device 6 and the transferring material supporting frame 2 have the same structure and are not described again.

Further, be equipped with positioner on the first transmission device 3, the locating position sets up two location side pipes 32 in first transmission device both sides and inserts the limiting plate 33 that links with location side pipe including the symmetry, all be equipped with multiunit locating hole 34 on location side pipe 32, the locating hole 34 on two location side pipes 32 sets up the position the same, limiting plate 33 includes rectangular plate body, plate body both sides bottom be equipped with locating hole complex pin rod 35.

Furthermore, four groups of unpowered rollers 52 are arranged on the workbench 51, a liftable workpiece rotating plate 54 is arranged in the center of the workbench, a jacking cylinder 55 is arranged at the bottom of the rotating plate, and the rotating plate 54 is connected with the cylinder through a rotating bearing 56.

Furthermore, a plurality of groups of dumbbell-shaped carrier rollers 71 are arranged on the punching bracket 7, the middle sections of the dumbbell-shaped carrier rollers are made of flat seamless tubes, the two ends of each dumbbell-shaped carrier roller are circular truncated cones welded, a through shaft is arranged in each dumbbell-shaped carrier roller 71, and bearings connected with the punching bracket are arranged at the two ends of each dumbbell-shaped carrier roller.

Further, the second transfer device 6, the punching carriage 7 and the punching machine 8 may be provided in plural sets.

The bale incoming material is lifted and placed on the raw material placing frame 1 by a travelling crane, the lifting oil cylinder 13 is started to enable the bale raw material to be spread flatly, the motor is started to enable the transfer material supporting frame 2 to convey the raw material (square tubes and round tubes) to the first conveying device 3 through the chain, the left side and the right side of the first conveying device 3 can be of symmetrical structures, and the first conveying device can respectively transmit the raw material to two different directions. When raw and other materials convey sawing machine 4, confirm the unloading size through positioner's locating hole 33, the sawing machine unloading back material will be kept in through scale work piece storage rack 5, shift the work piece to second transmission device 6 through upset hydro-cylinder 53, chain drive shifts the work piece to punching bracket 7 one by one, the gyro wheel drags the work piece and accomplishes the work of first hole punching, can set up multiunit second transmission device 6 according to actual need, punching bracket 7 and piercing press 8, set up two sets of second transmission device 6 and punching bracket 7 in this embodiment, three group piercing press 8 can accomplish the punching a hole of multiform.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. A steel pipe perforation production line comprises a raw material placing frame, a transfer material supporting frame, a first conveying device, a sawing machine, a fixed-length workpiece frame, a second conveying device, a punching bracket and a punching machine in sequence according to the advancing direction of materials, and is characterized in that the raw material placing frame is provided with a material blocking device, the material blocking device comprises an L-shaped material blocking frame, one end of the material blocking frame is hinged with the raw material placing frame through a turnover pin shaft, the other end of the material blocking frame is provided with a lifting oil cylinder, the discharging end of the raw material placing frame is connected with the transfer material supporting frame, the discharging end of the transfer material supporting frame is connected with the first conveying device, the first conveying device is provided with a plurality of groups of power rollers, the power rollers are controlled through a driving device, the sawing machine is arranged between the discharging end of the first conveying device and the feeding end of the fixed-length workpiece frame, the fixed-length, the side face of the workbench is hinged to the fixed-length workpiece frame, the bottom of the workbench is connected with the turnover oil cylinder, the side face of the fixed-length workpiece frame is provided with a second transmission device, the discharge end of the second transmission device is provided with a punching bracket, and one end or two ends of the punching bracket are provided with punching machines.

2. The steel pipe perforation production line according to claim 1, wherein the two ends of the transfer support frame and the second transmission device are respectively provided with a main chain wheel shaft and a secondary chain wheel shaft, the middle of the main chain wheel shaft is provided with a main chain wheel, two secondary chain wheels are arranged on two sides of the main chain wheel, two secondary chain wheels are arranged on two ends of the secondary chain wheel shaft, a chain transmission belt is arranged between the secondary chain wheels of the main chain wheel shaft and the secondary chain wheel shaft, and the main chain wheels are connected with a motor.

3. The steel pipe perforation production line of claim 1, wherein the first conveying device is provided with a positioning device, the positioning device comprises two square positioning pipes symmetrically arranged on two sides of the first conveying device and a limiting plate inserted into the square positioning pipes, the square positioning pipes are provided with a plurality of groups of positioning holes, the positioning holes on the two square positioning pipes are arranged at the same position, the limiting plate comprises a rectangular plate body, and two sides of the plate body are provided with pin rods matched with the positioning holes at the bottom.

4. The steel pipe perforation production line according to claim 1, wherein four groups of unpowered rollers are arranged on the worktable, a liftable workpiece rotating plate is arranged in the center of the worktable, a jacking cylinder is arranged at the bottom of the rotating plate, and the rotating plate and the cylinder are connected through a rotating bearing.

5. The steel pipe perforating production line of claim 1, characterized in that a plurality of groups of dumbbell-shaped carrier rollers are arranged on the perforating bracket, the middle sections of the dumbbell-shaped carrier rollers are made of flat seamless pipes, the two ends of the dumbbell-shaped carrier rollers are welded round tables, a through shaft is arranged in the dumbbell-shaped carrier rollers, and bearings connected with the perforating bracket are arranged at the two ends of the dumbbell-shaped carrier rollers.

6. The steel pipe piercing line according to claim 1, wherein the second conveying device, the piercing carriage and the piercing machine are provided in plural sets.