CN117380838B - Automatic pipe bending and punching machine for square steel pipes - Google Patents

Automatic pipe bending and punching machine for square steel pipes Download PDF

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Publication number
CN117380838B
CN117380838B CN202311302877.1A CN202311302877A CN117380838B CN 117380838 B CN117380838 B CN 117380838B CN 202311302877 A CN202311302877 A CN 202311302877A CN 117380838 B CN117380838 B CN 117380838B
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CN
China
Prior art keywords
plate
sliding
servo motor
fixedly connected
annular ring
Prior art date
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Active
Application number
CN202311302877.1A
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Chinese (zh)
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CN117380838A (en
Inventor
邓继宏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Dechuang Pipe Co ltd
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Jiangsu Dechuang Pipe Co ltd
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Priority to CN202311302877.1A priority Critical patent/CN117380838B/en
Publication of CN117380838A publication Critical patent/CN117380838A/en
Application granted granted Critical
Publication of CN117380838B publication Critical patent/CN117380838B/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/04—Centering the work; Positioning the tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/28—Perforating, i.e. punching holes in tubes or other hollow bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/36—Perforating, i.e. punching holes using rotatable work or tool holders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/003—Positioning devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02—Advancing work in relation to the stroke of the die or tool
    • B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
    • B21D43/14—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by turning devices, e.g. turn-tables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D7/00—Bending rods, profiles, or tubes
    • B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
    • B21D7/024—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

The invention relates to the technical field of punching, and discloses an automatic square steel pipe bending and punching machine, which comprises a rotary punching and clamping mechanism, a feeding mechanism and a bending mechanism; the rotary punching clamping mechanism comprises: the device comprises an annular ring, a bracket, a half-arc sliding block A, a servo motor A, a punching machine, an air cylinder A, an air cylinder B and a transverse plate; the annular ring is fixedly connected with the bracket, a half-arc sliding block A is slidably arranged in a circular sliding groove on the annular ring, a servo motor A is fixedly arranged on the half-arc sliding block A, and a motor gear of the servo motor A is meshed with a positive tooth on the annular ring; the punching machine is slidably arranged in a square hole on the transverse plate, the air cylinder A is fixedly arranged on the transverse plate, a piston rod of the air cylinder A is fixedly connected with a plate extending from the lower end of the punching machine, and the transverse plate is slidably arranged in a sliding groove on the half-arc sliding block A; when the device is used, the punching mechanism can freely rotate at three hundred and sixty degrees, punching can be carried out at any position of any surface of the square tube, and the adaptability is stronger.

Description

Automatic pipe bending and punching machine for square steel pipes
Technical Field
The invention relates to the technical field of bent pipe punching, in particular to an automatic square steel pipe bending and punching machine.
Background
The punching machine is a mechanical device for finishing punching on a part needing punching processing under the drive of a power mechanism, most punching machines mainly aim at processing and punching long pipes, bent pipes bend straight steel pipes, and the bent pipes are combined by the bending machine.
The utility model patent of China with the application number of CN2018221733133 discloses a pipe bending punching machine, which comprises a frame, wherein a pipe bending part and a punching part are arranged on the frame, the pipe bending part is connected with a die in a matched manner, and the die comprises an upper die and a lower die.
When the device is used, the punching position is limited, the punching can not be carried out at any position on any surface, the variable punching bent pipe requirement can not be adopted, and the bent pipe position is fixed; the invention is designed aiming at the defects, when the device is used, the punching mechanism can freely rotate by three hundred and sixty degrees, punching can be carried out at any position of any surface of the square tube, and the adaptability is stronger; the clamping mechanism is internally provided with the calibration assembly, and can drive the square tube to rotate, so that the function is more powerful.
Disclosure of Invention
The technical scheme adopted by the invention is as follows: an automatic square steel pipe bending and punching machine comprises a rotary punching and clamping mechanism, a feeding mechanism and a pipe bending mechanism; the rotary punching and clamping mechanism comprises: the device comprises an annular ring, a bracket, a half-arc sliding block A, a servo motor A, a punching machine, an air cylinder A, an air cylinder B and a transverse plate; the annular ring is fixedly connected with the bracket, a half-arc sliding block A is slidably arranged in a circular sliding groove on the annular ring, a servo motor A is fixedly arranged on the half-arc sliding block A, and a motor gear of the servo motor A is meshed with a positive tooth on the annular ring; the punching machine is slidably arranged in a square hole on the transverse plate, the air cylinder A is fixedly arranged on the transverse plate, a piston rod of the air cylinder A is fixedly connected with a plate extending from the lower end of the punching machine, and the transverse plate is slidably arranged in a sliding groove on the half-arc sliding block A; the cylinder body of the cylinder B is fixedly arranged on the side face of the half-arc sliding block A, and a piston rod of the cylinder B is fixedly connected with the transverse plate.
Preferably, the rotary punching and clamping mechanism further comprises: the device comprises a square frame, a half-arc sliding block B, a servo motor C, a transverse clamping assembly, a longitudinal clamping assembly and a guiding calibration assembly; the two half arc sliding blocks B of the support rod extending from two sides of the square frame are fixedly connected respectively, the half arc sliding blocks B are slidably mounted in circular sliding grooves on the annular ring, a servo motor C is fixedly mounted on the half arc sliding blocks B, and a motor gear of the servo motor C is meshed with positive teeth on the annular ring.
Preferably, the transverse clamping assembly comprises: the device comprises a horizontal sliding frame, a horizontal pressing plate, a bidirectional screw rod, a short belt and a servo motor B; the horizontal sliding frame is provided with two vertically symmetrical sliding frames which are respectively and slidably arranged on a rod in the vertical direction on the square frame, a horizontal pressing plate is slidably arranged on the horizontal sliding frame, and a spring is arranged between the horizontal sliding frame and the horizontal pressing plate; the bidirectional screw rod is rotatably arranged in a round hole on the square frame, the bidirectional screw rod is in threaded connection with the horizontal sliding frame at the upper part and the lower part, the upper end of the bidirectional screw rod is rotatably connected through a short belt, the upper end of one bidirectional screw rod is fixedly connected with a motor shaft of a servo motor B, and the servo motor B is fixedly arranged on a plate extending out of the square frame.
Preferably, the longitudinal clamping assembly comprises: a vertical carriage, a vertical platen, and a linkage; the vertical sliding frames are provided with two bilaterally symmetrical sliding frames which are respectively and slidably arranged on the horizontal rods on the square frames, each vertical sliding frame is provided with a vertical pressing plate in a sliding manner, and a spring is arranged between each vertical sliding frame and each vertical pressing plate; the connecting rod group is respectively connected with the dumpling seat on the vertical sliding frame and the rotating shaft on the horizontal sliding frame in a rotating way.
Preferably, the guide calibration assembly includes: a spring plate and a connecting block; the connecting block uses the annular ring as the centre of a circle fixed array to install on the inner circle of annular ring, shell fragment fixed mounting is on the connecting block, the quantity of shell fragment is unanimous with the connecting block.
Preferably, the feeding mechanism comprises: panel, slide rail, slider, backup pad, splint, compression spring, ordinary lead screw A, servo motor D; the sliding rail is fixedly arranged on a short plate on the panel, the supporting plate is slidably arranged on the sliding rail, the supporting plate is fixedly connected with the sliding block, the sliding block is in threaded connection with the common screw rod A, the common screw rod A is rotatably arranged in a round hole at the lower end of the panel, one end of the common screw rod A is fixedly connected with a motor shaft of the servo motor D, and the servo motor D is fixedly arranged on the bottom surface of the panel; the four clamping plates are arranged on the dumpling seats on the supporting plate in a rotary array at the circle center of the annular ring, and two ends of the compression spring are respectively rotatably arranged on the dumpling seats of the supporting plate and the clamping plates; the panel is also fixedly connected with the bracket.
Preferably, the pipe bending mechanism comprises: the device comprises an operation table, a main bent pipe wheel, a telescopic frame, a telescopic arm, a cylinder C, an auxiliary bent pipe wheel, a stepping motor, a spur gear, a rack and a hydraulic cylinder; the operation table is slidably arranged in a chute plate on the panel, a shaft on the expansion bracket is rotationally connected with a round hole on the operation table, an elbow main wheel is rotationally arranged on the shaft of the expansion bracket, the expansion bracket is slidably connected with the expansion arm, the upper surface of the expansion bracket is fixedly connected with a cylinder body of the cylinder C, and a telescopic rod of the cylinder C is fixedly connected with the expansion arm; the shaft of the telescopic arm is rotatably provided with an elbow auxiliary wheel; the spur gear is fixedly arranged at the lower end of the rotating shaft of the telescopic frame, the spur gear is meshed with the rack, the rack is slidably arranged in the chute plate on the panel, the upper extension plate of the rack is fixedly connected with the telescopic rod of the hydraulic cylinder, and the cylinder body of the hydraulic cylinder is fixedly arranged on the chute plate on the panel; the common screw rod B is rotatably arranged in a round hole of the sliding groove plate on the panel, the common screw rod B is in threaded connection with the operating platform, one end of the common screw rod B is fixedly connected with a motor shaft of the stepping motor, and the stepping motor is fixedly arranged on the sliding groove plate on the panel.
Preferably, the horizontal pressing plate and the vertical pressing plate are rotatably provided with rollers.
Compared with the prior art, the invention has the beneficial effects that:
(1) When the device is used, the punching mechanism can freely rotate at three hundred and sixty degrees, punching can be carried out at any position of any surface of the square tube, and the adaptability is stronger.
(2) The clamping mechanism is internally provided with the calibration assembly, and can drive the square tube to rotate, so that the function is more powerful.
Drawings
Figure 1 is an isometric view of the overall structure of the present invention.
Fig. 2 is a top view of the overall structure of the present invention.
Fig. 3 is a side view of the overall structure of the present invention.
Fig. 4 is a first view of the punching mechanism of the present invention.
Fig. 5 is a schematic view of a second view of the punching mechanism of the present invention.
Figure 6 is an isometric view of the clamping mechanism of the present invention.
Fig. 7 is a front view of the clamping mechanism of the present invention.
Fig. 8 is an exploded view of the clamping mechanism of the present invention.
Fig. 9 is a detail view of the square frame of the present invention.
Fig. 10 is a schematic view of the structure of the rotary joint of the present invention.
FIG. 11 is a schematic diagram of a calibration assembly according to the present invention.
Fig. 12 is a schematic view of a first view structure of the feeding mechanism of the present invention.
Fig. 13 is a schematic view of a second view structure of the feeding mechanism of the present invention.
Fig. 14 is a schematic view of a first view angle structure of the pipe bending mechanism of the present invention.
Fig. 15 is a schematic view of a second view angle structure of the pipe bending mechanism of the present invention.
Reference numerals: 1-an annular ring; 2-a bracket; 3-half arc slide block A; 4-a servo motor A; 5-punching machine; 6-cylinder A; 7-cylinder B; 8-a transverse plate; 9-square frames; 10-horizontal carriage; 11-a horizontal platen; 12-a bidirectional screw rod; 13-short belt; 14-a servo motor B; 15-vertical carriage; 16-vertical press plate; 17-linkage; 18-a half-arc slide block B; 19-a servo motor C; 20-shrapnel; 21-connecting blocks; 22-panel; 23-sliding rails; 24-sliding blocks; 25-supporting plates; 26-clamping plate; 27-compressing a spring; 28-a common screw rod A; 29-a servo motor D; 30-an operation table; 31-a main wheel of the bent pipe; 32-a telescopic frame; 33-telescoping arms; 34-cylinder C; 35-an elbow auxiliary wheel; 36-a stepper motor; 37-spur gear; 38-a rack; 39-a hydraulic cylinder; 40-a common screw rod B.
Detailed Description
The technical scheme of the invention is further specifically described below through examples and with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the invention, which is therefore not limited to the specific embodiments disclosed below.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "front", "rear", "left", "right", etc. are based on directions or positional relationships shown in the drawings, or directions or positional relationships in which the inventive product is conventionally put in use, are merely for convenience in describing the simplified description of the present invention patent, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present invention patent. Further, spatially relative terms, such as "below," "beneath," "above," "over," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may have other orientations (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein interpreted accordingly.
1-15, An automatic square steel pipe bending and punching machine comprises a rotary punching and clamping mechanism, a feeding mechanism and a pipe bending mechanism;
In an alternative embodiment of the present invention, as shown in fig. 4 and 5, the rotary punch clamping mechanism includes: the device comprises an annular ring 1, a bracket 2, a half-arc sliding block A3, a servo motor A4, a punching machine 5, a cylinder A6, a cylinder B7 and a transverse plate 8; the annular ring 1 is fixedly connected with the bracket 2, a half-arc sliding block A3 is slidably arranged in a circular chute on the annular ring 1, a servo motor A4 is fixedly arranged on the half-arc sliding block A3, and a motor gear of the servo motor A4 is meshed with a positive tooth on the annular ring 1; the punching machine 5 is slidably arranged in a square hole on the transverse plate 8, the air cylinder A6 is fixedly arranged on the transverse plate 8, a piston rod of the air cylinder A6 is fixedly connected with a plate extending from the lower end of the punching machine 5, and the transverse plate 8 is slidably arranged in a sliding groove on the half-arc sliding block A3; the cylinder body of the cylinder B7 is fixedly arranged on the side face of the half-arc sliding block A3, and a piston rod of the cylinder B7 is fixedly connected with the transverse plate 8.
In an alternative embodiment of the present invention, as shown in fig. 6, the rotary punch clamping mechanism further comprises: square frame 9, half-arc slide block B18, servo motor C19, horizontal clamping assembly, vertical clamping assembly and guide calibration assembly; the two half arc sliding blocks B18 of the supporting rod extending from two sides of the square frame 9 are fixedly connected respectively, the half arc sliding blocks B18 are slidably mounted in the circular sliding groove on the annular ring 1, a servo motor C19 is fixedly mounted on the half arc sliding blocks B18, a motor gear of the servo motor C19 is meshed with positive teeth on the annular ring 1, and when the half arc sliding blocks B18 on two sides need to rotate, the servo motors C19 on the two half arc sliding blocks B18 start to synchronize rotating speeds.
In an alternative embodiment of the present invention, as shown in fig. 7 and 8, the lateral clamping assembly includes: the device comprises a horizontal sliding frame 10, a horizontal pressing plate 11, a bidirectional screw rod 12, a short belt 13 and a servo motor B14; the horizontal sliding frame 10 is provided with two vertical symmetrical sliding frames which are respectively arranged on the vertical rods on the square frame 9, the horizontal sliding frame 10 is provided with a horizontal pressing plate 11 in a sliding manner, a spring is arranged between the horizontal sliding frame 10 and the horizontal pressing plate 11, and the spring has the function of generating certain buffer when the horizontal pressing plate 11 clamps the square pipe, so that the square pipe is prevented from deforming; the two-way screw rod 12 is rotatably arranged in a round hole on the square frame 9, the two-way screw rod 12 is in threaded connection with the horizontal sliding frame 10 at the upper part and the lower part, the upper end of the two-way screw rod 12 is rotatably connected through the short belt 13, the upper end of one two-way screw rod 12 is fixedly connected with a motor shaft of the servo motor B14, and the servo motor B14 is fixedly arranged on a plate extending out of the square frame 9.
In an alternative embodiment of the present invention, as shown in fig. 7 and 9, the longitudinal clamping assembly includes: a vertical carriage 15, a vertical platen 16, a linkage 17; the two vertical sliding frames 15 are symmetrically arranged on the left side and the right side, are respectively and slidably arranged on the rods on the square frame 9 in the horizontal direction, each vertical sliding frame 15 is slidably provided with a vertical pressing plate 16, a spring is arranged between each vertical sliding frame 15 and each vertical pressing plate 16, and the spring has the function of generating certain buffer when the horizontal pressing plates 11 clamp the square tube, so that the square tube is prevented from deforming; the connecting rod group 17 is respectively connected with the dumpling seat on the vertical sliding frame 15 and the rotating shaft on the horizontal sliding frame 10 in a rotating way, and when the horizontal sliding frame 10 is driven to relatively move, the vertical sliding frame 15 is extruded to relatively move through the connecting rod group 17, so that the horizontal direction and the vertical direction are synchronously clamped.
In an alternative embodiment of the present invention, as shown in fig. 4 and 5, the guide calibration assembly includes: a spring plate 20 and a connecting block 21; the connecting block 21 uses the annular ring 1 as the centre of a circle fixed array to install on the inner circle of annular ring 1, and shell fragment 20 fixed mounting is on connecting block 21, and the quantity and the connecting block 21 of shell fragment 20 are unanimous, and four shell fragments 20 have the pretightning force to the center, can guide square pipe in center department all the time.
In an alternative embodiment of the present invention, as shown in fig. 12 and 13, the feeding mechanism includes: panel 22, slide rail 23, slide block 24, backup pad 25, splint 26, compression spring 27, ordinary lead screw A28, servo motor D29; the sliding rail 23 is fixedly arranged on a short plate on the panel 22, the sliding rail 23 is provided with a supporting plate 25 in a sliding manner, the supporting plate 25 is fixedly connected with a sliding block 24, the sliding block 24 is in threaded connection with a common screw rod A28, the common screw rod A28 is rotatably arranged in a round hole at the lower end of the panel 22, one end of the common screw rod A28 is fixedly connected with a motor shaft of a servo motor D29, and the servo motor D29 is fixedly arranged on the bottom surface of the panel 22; the four clamping plates 26 are arranged on the dumpling seats on the supporting plate 25 in a rotary array at the circle center of the annular ring 1, the clamping plates 26 can clamp the square tubes, and when the square tubes are separated, the two ends of the compression springs 27 are respectively and rotatably arranged on the dumpling seats on the supporting plate 25 and the clamping plates 26; the supporting plate 25 is provided with a rotatable ring, the rotation of the ring drives the clamping plate 26 to rotate, and the panel 22 is fixedly connected with the bracket 2.
In an alternative embodiment of the present invention, as shown in fig. 14 and 15, the pipe bending mechanism includes: the device comprises an operation table 30, a main pipe bending wheel 31, a telescopic frame 32, a telescopic arm 33, a cylinder C34, an auxiliary pipe bending wheel 35, a stepping motor 36, a spur gear 37, a rack 38 and a hydraulic cylinder 39; the operation table 30 is slidably arranged in a chute plate on the panel 22, a shaft on the expansion bracket 32 is rotatably connected with a round hole on the operation table 30, an elbow main wheel 31 is rotatably arranged on the shaft of the expansion bracket 32, the expansion bracket 32 is slidably connected with the expansion arm 33, the upper surface of the expansion bracket 32 is fixedly connected with a cylinder body of the cylinder C34, and a telescopic rod of the cylinder C34 is fixedly connected with the expansion arm 33; the bent pipe auxiliary wheel 35 is rotatably arranged on the shaft of the telescopic arm 33, and the distance between the bent pipe main wheel 31 and the bent pipe auxiliary wheel 35 can be adjusted by sliding the telescopic arm 33, so that a square pipe rotating space is generated; the spur gear 37 is fixedly arranged at the lower end of the rotating shaft of the telescopic frame 32, the spur gear 37 is meshed with the rack 38, the rack 38 is slidably arranged in a chute plate on the panel 22, an extension plate on the rack 38 is fixedly connected with a telescopic rod of the hydraulic cylinder 39, and a cylinder body of the hydraulic cylinder 39 is fixedly arranged on the chute plate on the panel 22; the common screw rod B40 is rotatably arranged in a round hole of a sliding groove plate on the panel 22, the common screw rod B40 is in threaded connection with the operating platform 30, one end of the common screw rod B40 is fixedly connected with a motor shaft of the stepping motor 36, and the stepping motor 36 is fixedly arranged on the sliding groove plate on the panel 22.
In an alternative embodiment of the present invention, as shown in fig. 6, rollers are rotatably installed on the horizontal platen 11 and the vertical platen 16, so that the square tube can be conveniently moved.
Working principle: when the square pipe bending machine is used, the power assembly is driven by the control unit program, so that the preset working steps are completed, the punching and bending processes of the square pipe can be freely scheduled, the punching can be carried out at any position, and the square pipe can be freely rotated on the premise of the punching process, so that the square pipe is bent in any direction;
Specifically, when the equipment is used, one end of the square tube is manually inserted between the clamping plates 26, the clamping plates 26 clamp the square tube under the action of the compression springs 27, the other end of the square tube is pulled by hands to keep horizontal, the next servo motor D29 is started to drive the common screw rod A28 to rotate, so that the sliding block 24 is driven to slide, namely the supporting plate 25 is driven to slide, the square tube slowly moves into the annular ring 1 until the other end of the square tube can be loosened after passing through the elastic sheet 20, the elastic sheet 20 calibrates the position of the square tube to the center of the annular ring 1, the square tube continuously moves inwards, the servo motor B14 is started after passing through the transverse clamping assembly and the longitudinal clamping assembly, the upper horizontal sliding frame 10 and the lower horizontal sliding frame 10 are driven to relatively move, and the horizontal sliding frame 10 simultaneously drives the two vertical sliding frames 15 to synchronously relatively move through the connecting rod group 17 until the horizontal pressing plate 11 and the vertical pressing plate 16 clamp the square tube, and the horizontal pressing plate 11 and the vertical pressing plate 16 are provided with rollers, so that the square tube can continuously move, when the square tube moves to the pipe bending mechanism, the bending tube is carried out according to actual needs, the hydraulic cylinder 39 is driven to slide, so that the racks 38 are driven to slide, so that the telescopic spur gear 37 is driven to rotate, so that the main bending wheel 32 is driven to rotate, and the bending wheel 35 is driven to rotate to the bending wheel 31 to be assigned to the bending auxiliary wheel 31;
When bending in the direction, a servo motor C19 is started to drive a half-arc sliding block B18 to rotate on an annular ring 1, so that a square frame 9 is driven to rotate, a clamped square tube is enabled to rotate, the square tube rotates at a required position, an elastic sheet 20 is propped up when rotating, the elastic sheet 20 is reset when rotating to a specified position, the annular ring on a supporting plate 25 is simultaneously driven to synchronously rotate when the square tube rotates, a main bending wheel 31 and an auxiliary bending wheel 35 are required to be pulled apart temporarily when the square tube rotates, specifically, a stepping motor 36 is started to drive a common screw rod B40 to rotate, so that an operation table 30 is driven to slide outwards, the main bending wheel 31 is driven to slide outwards until an arc surface on the operation table 30 moves to a position below the square tube, and a cylinder C34 is started to drive a telescopic arm 33 to slide outwards, so that a distance between the auxiliary bending wheel 35 and the main bending wheel 31 is pulled apart, and the square tube can rotate freely;
Can punch a hole in optional position at the in-process that square pipe removed, servo motor A4 starts and drives half arc slider A3 and slide on annular circle 1, thereby make half arc slider A3 can remove to the arbitrary one side of square pipe, cylinder A6 starts and drives piercing press 5 and remove and to punch a hole on square pipe, can drive diaphragm 8 and slide on half arc slider A3 when cylinder B7 starts, thereby make piercing press 5 slide, can realize like this when half arc slider A3 stops in one side of square pipe, piercing press 5 can punch a hole in the optional position of this side.

Claims (3)

1. An automatic bending and punching machine for square steel pipes is characterized in that: comprises a rotary punching clamping mechanism, a feeding mechanism and a pipe bending mechanism; the rotary punching and clamping mechanism comprises: the device comprises an annular ring (1), a bracket (2), a half-arc sliding block A (3), a servo motor A (4), a punching machine (5), a cylinder A (6), a cylinder B (7) and a transverse plate (8); the annular ring (1) is fixedly connected with the bracket (2), a half-arc sliding block A (3) is slidably arranged in a circular chute on the annular ring (1), a servo motor A (4) is fixedly arranged on the half-arc sliding block A (3), and a motor gear of the servo motor A (4) is meshed with a positive tooth on the annular ring (1); the punching machine (5) is slidably arranged in a square hole on the transverse plate (8), the air cylinder A (6) is fixedly arranged on the transverse plate (8), a piston rod of the air cylinder A (6) is fixedly connected with a plate extending from the lower end of the punching machine (5), and the transverse plate (8) is slidably arranged in a sliding groove on the half-arc sliding block A (3); the cylinder body of the cylinder B (7) is fixedly arranged on the side surface of the half-arc sliding block A (3), and a piston rod of the cylinder B (7) is fixedly connected with the transverse plate (8);
The rotary punching and clamping mechanism further comprises: the device comprises a square frame (9), a half-arc sliding block B (18), a servo motor C (19), a transverse clamping assembly, a longitudinal clamping assembly and a guide calibration assembly; two half-arc sliding blocks B (18) of the supporting rod extending from two sides of the square frame (9) are respectively and fixedly connected, the half-arc sliding blocks B (18) are slidably arranged in a circular sliding groove on the annular ring (1), a servo motor C (19) is fixedly arranged on the half-arc sliding blocks B (18), and a motor gear of the servo motor C (19) is meshed with a positive tooth on the annular ring (1);
The transverse clamping assembly comprises: the device comprises a horizontal sliding frame (10), a horizontal pressing plate (11), a bidirectional screw rod (12), a short belt (13) and a servo motor B (14); the horizontal sliding frame (10) is provided with two vertically symmetrical horizontal sliding frames which are respectively and slidably arranged on a rod in the vertical direction on the square frame (9), the horizontal sliding frame (10) is provided with a horizontal pressing plate (11) in a sliding manner, and a spring is arranged between the horizontal sliding frame (10) and the horizontal pressing plate (11); the two-way screw rods (12) are rotatably arranged in round holes on the square frame (9), the two-way screw rods (12) are in threaded connection with the horizontal sliding frames (10) at the upper part and the lower part, the upper ends of the two-way screw rods (12) are rotatably connected through the short belts (13), the upper ends of one two-way screw rods (12) are fixedly connected with motor shafts of the servo motors B (14), and the servo motors B (14) are fixedly arranged on plates extending out of the square frame (9);
The longitudinal clamping assembly comprises: a vertical sliding frame (15), a vertical pressing plate (16) and a connecting rod group (17); the vertical sliding frames (15) are provided with two bilaterally symmetrical rods which are respectively and slidably arranged on the horizontal rods on the square frames (9), each vertical sliding frame (15) is slidably provided with a vertical pressing plate (16), and a spring is arranged between each vertical sliding frame (15) and each vertical pressing plate (16); the connecting rod group (17) is respectively and rotatably connected with the dumpling seat on the vertical sliding frame (15) and the rotating shaft on the horizontal sliding frame (10);
The feeding mechanism comprises: the device comprises a panel (22), a sliding rail (23), a sliding block (24), a supporting plate (25), a clamping plate (26), a compression spring (27), a common screw rod A (28) and a servo motor D (29); the sliding rail (23) is fixedly arranged on a short plate on the panel (22), the sliding rail (23) is provided with a supporting plate (25) in a sliding manner, the supporting plate (25) is fixedly connected with a sliding block (24), the sliding block (24) is in threaded connection with a common screw rod A (28), the common screw rod A (28) is rotatably arranged in a round hole at the lower end of the panel (22), one end of the common screw rod A (28) is fixedly connected with a motor shaft of a servo motor D (29), and the servo motor D (29) is fixedly arranged on the bottom surface of the panel (22); four clamping plates (26) are arranged on the dumpling seats on the supporting plate (25) in a rotary array at the circle center of the annular ring (1), and two ends of the compression spring (27) are respectively rotatably arranged on the dumpling seats on the supporting plate (25) and the clamping plates (26); the panel (22) is also fixedly connected with the bracket (2);
The pipe bending mechanism comprises: the device comprises an operation table (30), a main elbow wheel (31), a telescopic frame (32), a telescopic arm (33), a cylinder C (34), an auxiliary elbow wheel (35), a stepping motor (36), a spur gear (37), a rack (38) and a hydraulic cylinder (39); the operation table (30) is slidably arranged in a chute plate on the panel (22), a shaft on the expansion bracket (32) is rotationally connected with a round hole on the operation table (30), an elbow main wheel (31) is rotationally arranged on the shaft of the expansion bracket (32), the expansion bracket (32) is slidably connected with the expansion arm (33), the upper surface of the expansion bracket (32) is fixedly connected with a cylinder body of the cylinder C (34), and a telescopic rod of the cylinder C (34) is fixedly connected with the expansion arm (33); an elbow auxiliary wheel (35) is rotatably arranged on the shaft of the telescopic arm (33); the spur gear (37) is fixedly arranged at the lower end of the rotating shaft of the telescopic frame (32), the spur gear (37) is meshed with the rack (38), the rack (38) is slidably arranged in a chute plate on the panel (22), an extension plate on the rack (38) is fixedly connected with a telescopic rod of the hydraulic cylinder (39), and a cylinder body of the hydraulic cylinder (39) is fixedly arranged on the chute plate on the panel (22); the common screw rod B (40) is rotatably arranged in a round hole of a chute plate on the panel (22), the common screw rod B (40) is in threaded connection with the operating platform (30), one end of the common screw rod B (40) is fixedly connected with a motor shaft of the stepping motor (36), and the stepping motor (36) is fixedly arranged on the chute plate on the panel (22).
2. The automated pipe bending punch of square steel pipe according to claim 1, wherein the guide calibration assembly comprises: a spring piece (20) and a connecting block (21); the connecting blocks (21) are fixedly arranged on the inner ring of the annular ring (1) by taking the annular ring (1) as a circle center in an array mode, the elastic pieces (20) are fixedly arranged on the connecting blocks (21), and the number of the elastic pieces (20) is consistent with that of the connecting blocks (21).
3. An automatic square steel pipe bending and punching machine according to claim 1, wherein the horizontal pressing plate (11) and the vertical pressing plate (16) are rotatably provided with rollers.
CN202311302877.1A 2023-10-10 2023-10-10 Automatic pipe bending and punching machine for square steel pipes Active CN117380838B (en)

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CN202311302877.1A CN117380838B (en) 2023-10-10 2023-10-10 Automatic pipe bending and punching machine for square steel pipes

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Application Number Priority Date Filing Date Title
CN202311302877.1A CN117380838B (en) 2023-10-10 2023-10-10 Automatic pipe bending and punching machine for square steel pipes

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CN117380838B true CN117380838B (en) 2024-05-03

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016165479A1 (en) * 2015-04-13 2016-10-20 张家港江苏科技大学产业技术研究院 Bending and molding production line
CN110202051A (en) * 2019-06-14 2019-09-06 杨立夸 A kind of processing method of full-automatic pipe process equipment and punching pipes indent
WO2022027989A1 (en) * 2020-08-07 2022-02-10 苏州晟成光伏设备有限公司 Deviation correcting welding machine for battery assembly
CN115157026A (en) * 2022-09-09 2022-10-11 江苏德创制管有限公司 Elbow pipe fitting surface polishing device
CN116690052A (en) * 2023-08-09 2023-09-05 江苏绿阳温室设备有限公司 Steel construction welding process device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016165479A1 (en) * 2015-04-13 2016-10-20 张家港江苏科技大学产业技术研究院 Bending and molding production line
CN110202051A (en) * 2019-06-14 2019-09-06 杨立夸 A kind of processing method of full-automatic pipe process equipment and punching pipes indent
WO2022027989A1 (en) * 2020-08-07 2022-02-10 苏州晟成光伏设备有限公司 Deviation correcting welding machine for battery assembly
CN115157026A (en) * 2022-09-09 2022-10-11 江苏德创制管有限公司 Elbow pipe fitting surface polishing device
CN116690052A (en) * 2023-08-09 2023-09-05 江苏绿阳温室设备有限公司 Steel construction welding process device

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