Pipe blanking and piercing double-bending collection assembly line

Abstract

The present application belongs to the technical field of pipe processing, and specifically discloses a pipe blanking and punching double-bending collecting assembly line, which comprises a feeding mechanism, a feeding and punching integrated machine and a bent pipe blanking and collecting device. The automatic process from feeding to bent pipe processing and then to blanking and collecting is realized, and the production efficiency is significantly improved. The setting of the bent pipe distance adjusting assembly allows users to adjust the distance between the bent pipe units according to actual needs to adapt to pipe fittings of different lengths or special processing requirements. The application of the bent pipe clamping and telescopic driving device enables the bent pipe clamping assembly to adapt to pipe fittings of different diameters, improving the versatility and flexibility of the equipment. The setting of the sorting device and the unloading adjusting device effectively arranges the position and angle of the pipe fitting, provides a good foundation for subsequent processing, further improves the product quality, reduces the damage and error of the pipe fitting during processing and blanking, and ensures the integrity and precision of the product.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of pipe processing, and particularly relates to a pipe blanking, punching, double-bending and collecting flow line. BACKGROUND

[0002] Pipes are commonly used as frame materials for various types of furniture, printing equipment, portable ladders, photography studios, unmanned aerial vehicle base stations, etc. For example, there are deck chairs, camp beds, portable tables, portable tents, UV printing machine frames, multifunctional engineering ladders, and various other products. The frames of these products are generally made of materials such as stainless steel, alloy aluminum, and cold-drawn materials. Due to the high overall rigidity of the pipes and the long raw materials, the pipes generally need to be cut, punched, and then bent during processing.

[0003] However, using the above method, the existing pipe processing equipment relies entirely on manual or semi-automatic cutting, punching, and bending of the pipes, and multiple sets of equipment are required for processing in different sequences. The pipes are transported to the next process by a large number of workers, which is very cumbersome and affects the processing efficiency, and the rate of defective products is high. SUMMARY

[0004] In view of the problems in the prior art that the pipe processing equipment relies mainly on manual cutting, punching, and double-bending of the pipes, and multiple sets of equipment are required for processing in different sequences, and a large number of workers are required to transport the pipes to the next process, which is very cumbersome and affects the processing efficiency, and the rate of defective products is high, a pipe blanking, punching, double-bending, and collecting flow line is proposed. The present application provides the following technical solutions:

[0005] A pipe blanking, punching, double-bending, and collecting flow line comprises a feeding mechanism for conveying along the length direction of the pipe, a feeding and punching integrated machine for automatic feeding and punching, and a pipe bending and blanking collecting device for bending the pipe and automatic blanking.

[0006] The feeding and punching integrated machine comprises a punching platform, a punching mechanism is arranged on the punching platform, the punching mechanism comprises a plurality of punching units, the pipe is longitudinally placed on the punching units for punching, a beam frame is arranged on the upper side of the punching mechanism, a feeding rack and a stock bin are sequentially arranged outward on one side of the punching mechanism, and a turnover material transferring device for unloading is arranged on the other side; a discharging port and a pushing material linear drive device are arranged on the lower side of the stock bin, the output end of the pushing material linear drive device faces the feeding rack, a horizontal material transferring device is arranged on the beam frame, the horizontal material transferring device comprises a horizontal material transferring mounting frame, a horizontal material transferring drive device, and a horizontal material transferring manipulator, the horizontal material transferring drive device is mounted and fixed to the horizontal material transferring mounting frame and has an output end connected to the horizontal material transferring manipulator, and the horizontal material transferring manipulator is transversely slidably connected to the horizontal material transferring mounting frame; the turnover material transferring device comprises a shaft mounting frame, a turnover material transferring motor, a turnover shaft, a turnover plate, and a turnover material transferring manipulator for clamping the punched pipe, the turnover plate is fixedly connected to the turnover shaft, and the turnover material transferring manipulator is mounted on the turnover plate.

[0007] The feeding mechanism comprises a conveying mechanism, a cutting mechanism for cutting the pipe to a fixed length, and a transverse transfer mechanism for transferring the cut pipe to the hopper; after the turnover transfer robot (C10.5) is turned over, the pipe falls onto the pipe bending and discharging collecting mechanism (D).

[0008] Preferably, the punching unit comprises a positioning and pressing and punching assembly for positioning and punching the material, a punching driving assembly for driving the positioning and pressing and punching assembly to move, and an end punching assembly for the end of the column material; the punching driving assembly is installed on the punching platform; the punching driving assembly comprises a punching linear driving device and a punching die frame; the end punching assembly is longitudinally and slidably connected to the punching die frame; the positioning and pressing and punching assembly comprises a punching fixed block, a punching guide block, a punching positioning and clamping die for clamping the material, and a punching needle for punching; the fixed block is longitudinally and slidably connected to the punching die frame; the punching guide block is vertically and lockably slidably connected to the punching fixed block; the punching needle is fixedly connected to the punching fixed block; the punching positioning and clamping die is transversely and slidably connected to the punching guide block and the punching needle; after clamping the material transversely, the punching needle protrudes from the punching positioning and clamping die.

[0009] Preferably, the pipe bending and discharging collecting mechanism comprises a bending machine frame and a material collecting frame; two bending units are longitudinally and side by side arranged on the bending machine frame; the bending unit comprises a rotating driving device; the output end of the rotating driving device is upwardly arranged and connected with a bending die for supporting the pipe; the lower side of the bending die is provided with a rotating driving base fixedly connected with the output end of the rotating driving device; the rotating driving base is lockably and slidably connected with a bending clamping assembly for clamping and rotating the pipe; the material collecting frame or the bending machine frame is hingedly connected with a discharging rod for receiving the pipe through a hinge plate; the material collecting frame or the bending machine frame is also hingedly connected with a material collecting telescopic driving device; the upper end of the hinge plate is hingedly connected with the discharging rod; the lower end of the hinge plate is hingedly connected with the output end of the material collecting telescopic driving device; the middle part of the hinge plate is hingedly connected with the material collecting frame or the bending machine frame, and the hinge shaft is parallel to the longitudinal direction.

[0010] After the turnover transfer robot is turned over, the pipe falls onto the rotating driving base.

[0011] Preferably, the punching die frame comprises a first punching cross beam and a second punching cross beam arranged parallel and spaced apart; the first punching cross beam and the second punching cross beam are each separately connected with a punching linear driving device; the first punching cross beam and the second punching cross beam are each connected with a positioning and pressing and punching assembly; the positioning and pressing and punching assemblies on the first punching cross beam and the second punching cross beam are oppositely arranged; the two punching fixed blocks oppositely arranged are connected through a punching guide column and a punching guide sleeve; the punching guide sleeve is sleeved outside the punching guide column; the punching guide column is slidably connected to the punching guide sleeve.

[0012] Preferably, the feeding rack is provided with a material arranging device on both sides for pushing and arranging the end of the pipe; a discharging rack for temporarily placing the punched pipe is arranged between the punching mechanism and the turnover material transferring device; a discharging adjusting device is further arranged on the punching platform, the discharging adjusting device comprises a rotating adjusting motor and a discharging adjusting manipulator, the discharging adjusting manipulator is fixedly connected with the output end of the rotating adjusting motor, and the discharging adjusting manipulator is arranged towards the discharging rack.

[0013] Preferably, the end punching assembly comprises an end punching mounting plate, an end punching linear drive device for the end punching assembly, a core rod for inserting the cylindrical material, and a stopper for limiting the cylindrical material, the end punching mounting plate is longitudinally and slidingly connected to the punching platform, the stopper is connected with the output end of the end punching linear drive device on one side and connected with the core rod on the other side; the punching unit further comprises a position adjusting assembly for adjusting the longitudinal position of the core rod, the position adjusting assembly comprises an end punching mounting bottom plate, a position adjusting screw rod, and a position adjusting screw nut, the position adjusting screw nut is threadedly connected to the position adjusting screw rod, the end punching linear drive device, the material bin, and the material arranging device are mounted and fixed on the end punching mounting bottom plate, the end punching mounting plate is slidingly connected to the end punching mounting bottom plate, the position adjusting screw rod is rotationally connected to the punching platform, and the end punching mounting bottom plate is longitudinally and slidingly connected to the punching platform and fixedly connected to the position adjusting screw nut.

[0014] Preferably, at least one of the pipe bending units is provided with a pipe bending position adjusting device, the pipe bending position adjusting device comprises a pipe bending position adjusting mounting plate, the pipe bending position adjusting mounting plate is mounted and fixed with a pipe bending position adjusting telescopic drive device, the output end of the pipe bending position adjusting telescopic drive device is fixedly connected with a pipe bending position adjusting movable block, the pipe bending position adjusting movable block is slidingly connected to the pipe bending position adjusting mounting plate, and the pipe bending position adjusting mounting plate is fixedly connected with a pipe bending position adjusting fixed block at one end close to the pipe bending die.

[0015] Preferably, one pipe bending distance adjusting assembly is arranged below each pipe bending unit, the pipe bending distance adjusting assembly comprises a pipe bending base, a distance adjusting screw rod, and a distance adjusting screw nut, the lower end of the pipe bending base is fixedly connected to the distance adjusting screw nut, the distance adjusting screw nut is longitudinally and slidingly connected to the pipe bending rack and threadedly connected to the distance adjusting screw rod, and the upper end of the pipe bending base is fixedly connected to the rotary driving base, and the distance adjusting screw rod is rotationally connected to the pipe bending rack.

[0016] Preferably, the receiving rack is fixedly connected with pipe bending turnover transition plates on both sides for receiving the bent pipe after turnover, the pipe bending turnover transition plates are downwardly inclinedly arranged away from the pipe bending units; the receiving rack comprises a receiving vertical rod, two receiving cross beams are fixedly connected to the receiving vertical rod, and the two receiving cross beams are arranged at intervals; the receiving cross beams are downwardly inclinedly arranged away from the pipe bending units.

[0017] Preferably, the horizontal material shifting mounting frame is longitudinally slidably connected to the beam frame, the beam frame is rotatably connected to a material shifting position adjusting screw rod, the external thread of the material shifting position adjusting screw rod is connected to a material shifting position adjusting screw nut, and the horizontal material shifting mounting frame is fixedly connected to the material shifting position adjusting screw nut.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. A fully automated process from feeding to bending processing to material collection has been realized, which significantly improves production efficiency; the application of bending adjustment device and bending clamping assembly ensures the precise positioning and stable clamping of pipe fittings during the processing, thereby improving the accuracy and consistency of pipe bending processing.

[0020] 2. The setting of the bend distance adjustment component allows the user to adjust the distance between the bend units according to actual needs to accommodate pipes of different lengths or special processing requirements; the application of the bend clamping telescopic drive device enables the bend clamping component to automatically adjust the clamping force to accommodate pipes of different diameters, thereby improving the versatility and flexibility of the equipment.

[0021] 3. The setting of the material sorting device and the unloading adjustment device effectively organizes the position and angle of the pipe fittings, provides a good foundation for subsequent processing, and further improves product quality; reduces the damage and error of the pipe fittings during processing and unloading, and ensures the integrity and accuracy of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0023] Figure 2 It is a schematic diagram of the three-dimensional structure of the feeding mechanism and the lateral transfer mechanism of the present invention;

[0024] Figure 3 is a schematic diagram of the three-dimensional structure of the support unit of the present invention;

[0025] Figure 4 It is a schematic diagram of the three-dimensional structure of the cutting, pinching and conveying assembly of the present invention;

[0026] Figure 5 It is a schematic diagram of the three-dimensional structure of the feeding and punching integrated machine of the present invention;

[0027] Figure 6 This is another three-dimensional structural diagram of the feeding and punching integrated machine of the present invention;

[0028] Figure 7 It is a schematic diagram of the three-dimensional structure of the punching unit of the present invention;

[0029] Figure 8 It is a schematic diagram of the three-dimensional structure of the end punch assembly of the present invention;

[0030] Figure 9 It is a schematic diagram of the three-dimensional structure of the positioning, pressing and punching assembly of the present invention;

[0031] Figure 10 It is a schematic diagram of the three-dimensional structure of the bent pipe blanking and collecting device of the present invention;

[0032] Figure 11 It is another three-dimensional structural schematic diagram of the bent pipe blanking and collecting device of the present invention;

[0033] In the accompanying drawings, A, feeding mechanism;

[0034] A1.1, Feeding rack; A1.2, Conveyor height adjustment lever; A1.3, Conveyor belt; A2, Support unit; A2.1, Height adjustment sleeve; A2.2, Conveyor support rod; A2.3, Rotating drum; A3, Cutting and pinching assembly; A3.1, Pinch driving motor; A3.2, Pinch screw; A3.3, Pinch base; A3.4, Material clamp; A4, Cutting mechanism;

[0035] B. Horizontal transfer mechanism;

[0036] C. Feeding and punching machine;

[0037] C1, punching platform; C2, beam frame;

[0038] C3, punching mechanism;

[0039] C3.1, Punching drive mounting plate; C3.2, Punching drive assembly; C3.2.1, Punching linear drive unit; C3.2.2, Punching die frame; C3.3, Positioning and clamping punching assembly; C3.3.1, Punching fixing block; C3.3.1.1, Punching transverse limiting groove; C3.3.1.2, Punching transverse limiting block; C3.3.2, Punching guide block; C3.3.2.1, Punching clearance groove; C3.3.2.2, Punching limiting guide hole; C3.3.3, Punching positioning clamp; C3.3.3.1, V-shaped positioning groove; C3. 3.3.2, Punch limit slider; C3.3.4, Compression spring; C3.3.5, Punch needle; C3.3.6.1, Guide post; C3.3.6.2, Punch guide sleeve; C3.4, End punch assembly; C3.4.1, End punch linear drive device; C3.4.2, Back block; C3.4.3, Mandrel; C3.4.4, End punch seat; C3.4.5, End punch auxiliary needle; C3.4.6, End punch guide plate; C3.4.7, End punch mounting plate; C3.5, Positioning assembly; C3.5.1, Positioning screw; C3.5.2, End punch mounting base;

[0040] C4, loading rack; C5, silo; C5.1, silo bottom plate; C5.2, end baffle; C5.3, loading baffle; C5.4, silo pad; C6, linear pusher; C7, horizontal shifter; C7.1, horizontal shifter mounting bracket; C7.2, horizontal shifter drive; C7.3, horizontal shifter manipulator; C8, pressing device; C8.1, pressing mounting base; C8.2, downward pressing drive; C8.3, pressing block; C9, unloading rack; C10, tilting and transferring device; C10.1, shaft mounting bracket; C10.2, tilting and transferring motor; C10.3, tilting shaft; C10.4, tilting plate; C10.5, tilting and transferring manipulator; C11, unloading adjustment device; C12, shifter positioner; C13, material sorting device;

[0041] D. Pipe elbow blanking and collecting mechanism;

[0042] D1, pipe bending machine frame; D2, material receiving frame; D2.1, material receiving vertical rod; D2.2, material receiving crossbeam; D3, pipe bending unit; D3.1, rotation drive device; D3.2, rotation drive base; D3.3, pipe bending die; D3.4, pipe bending clamping assembly; D3.4.1, pipe bending clamping slide; D3.4.2, pipe bending outer die; D4.1, blanking rod; D4.1.1, support block; D4.2, hinge plate; D4 .3. Material receiving telescopic drive device; D5. Bending pipe positioning device; D5.1. Bending pipe positioning mounting plate; D5.1.1. Bending pipe positioning fixed block; D5.2. Bending pipe positioning telescopic drive device; D5.3. Bending pipe positioning movable block; D6. Bending pipe flip transition plate; D7. Bending pipe distance adjustment assembly; D7.1. Bending pipe base; D7.2. Spacing adjustment screw nut; D7.3. Spacing adjustment screw; D7.4. Rocker. DETAILED DESCRIPTION

[0043] In order to enable those skilled in the art to better understand the technical solution of the present invention, the technical solution of the present invention is clearly and completely described below in conjunction with the accompanying drawings of the present invention. The directional words mentioned in the following embodiments, such as "up", "down", "left" and "right", etc., are only referenced to the directions of the accompanying drawings. Therefore, the directional words used are used to illustrate rather than limit the invention.

[0044] like Figure 1 As shown, a pipe blanking, punching and double-bending collection production line includes a feeding mechanism A for conveying along the length direction of the pipe, a feeding and punching integrated machine C for automatic feeding and punching, and a bent pipe blanking and collecting device for bending and automatic blanking.

[0045] like Figure 5 and Figure 6As shown, the feeding and punching integrated machine C comprises a punching platform C1, a punching mechanism C3 is arranged on the punching platform C1, the punching mechanism C3 comprises a plurality of punching units, and the pipe is longitudinally placed on the punching assembly for punching in use; a beam frame C2 is arranged on the upper side of the punching mechanism C3, a feeding rack C4 and a stock bin C5 are sequentially arranged outward on one side of the punching mechanism C3, and a turnover material transferring device C10 for discharging is arranged on the other side; a discharging port and a pushing straight line driving device C6 are arranged on the lower side of the stock bin C5, the output end of the pushing straight line driving device C6 faces the feeding rack C4, a horizontal material transferring device C7 is arranged on the beam frame C2, the horizontal material transferring device C7 comprises a horizontal material transferring mounting frame C7.1, a horizontal material transferring driving device C7.2 and a horizontal material transferring mechanical arm C7.3, the horizontal material transferring driving device C7.2 is fixedly installed on the horizontal material transferring mounting frame C7.1 and the output end is connected to the horizontal material transferring mechanical arm C7.3, and the horizontal material transferring mechanical arm C7.3 is transversely and slidingly connected to the horizontal material transferring mounting frame C7.1; the horizontal material transferring mechanical arm C7.3 is responsible for transferring the pipe before and after punching; the turnover material transferring device C10 comprises a shaft mounting frame C10.1, a turnover material transferring motor C10.2, a turnover shaft C10.3, a turnover plate C10.4 and a turnover material transferring mechanical arm C10.5 for clamping the pipe after punching, the shaft mounting frame C10.1 is fixedly installed on the punching platform C1, and the turnover shaft C10.3 is rotatably connected to the shaft mounting frame C10.1; the turnover plate C10.4 is fixedly connected to the turnover shaft C10.3, the turnover material transferring mechanical arm C10.5 is installed on the turnover plate C10.4, and the feeding, punching and discharging processes are more smooth; the device not only can automatically punch, but also can realize automatic feeding, material transferring and turnover discharging, so that the efficiency of hole processing is greatly improved.

[0046] Further, the horizontal material transferring mounting frame C7.1 is longitudinally and slidingly connected to the beam frame C2, a material transferring variable position screw rod C12 is rotatably connected to the beam frame C2, a material transferring variable position screw nut is externally threadedly connected to the material transferring variable position screw rod C12, and the material transferring mounting frame is fixedly connected to the material transferring variable position screw nut; the longitudinal position of the horizontal material transferring device C7 can be adjusted by rotating the material transferring variable position screw rod C12 outward.

[0047] The feeding mechanism A comprises a conveying mechanism, a cutting mechanism A4 for cutting the pipe to a fixed length and a transverse transferring mechanism B for transferring the cut pipe to the stock bin C5 are arranged on the conveying mechanism; and the conveying mechanism is connected with the feeding and punching integrated machine C.

[0048] As Figure 10 and Figure 11As shown, the pipe bending and collecting mechanism D comprises a pipe bending frame D1 and a material receiving frame D2. Two pipe bending units D3 are longitudinally arranged side by side on the pipe bending frame D1; the pipe bending unit D3 comprises a rotating drive device D3.1, the output end of the rotating drive device D3.1 is arranged upward and is connected to a pipe bending die D3.3 for supporting the pipe fittings; a rotating drive base D3.2 fixedly connected to the output end of the rotating drive device D3.1 is provided on the lower side of the pipe bending die D3.3; a clamping member for clamping the pipe fittings can be slidably connected to the rotating drive base D3.2 in a lockable manner. The bending pipe clamping assembly D3.4 tightens the pipe fitting and rotates; the material receiving rack D2 or the pipe bending machine frame D1 is hingedly connected to a discharge rod D4.1 for receiving the pipe fitting through a hinged plate D4.2, and the material receiving rack D2 or the pipe bending machine frame D1 is also hingedly connected to a material receiving and telescopic driving device D4.3, the upper end of the hinged plate D4.2 is hinged to the discharge rod D4.1, and the lower end of the hinged plate D4.2 is hinged to the output end of the material receiving and telescopic driving device D4.3; the middle part of the hinged plate D4.2 is hinged to the material receiving rack D2 or the pipe bending machine frame D1, and the hinge axis is parallel to the longitudinal direction.

[0049] After the flipping and transferring robot C10.5 flips over, the pipe falls onto the rotating drive base D3.2, connecting the feeding and punching integrated machine C and the pipe bending and unloading collection mechanism D.

[0050] like Figures 2-4 As shown, the conveying mechanism includes a feeding frame A1.1, and the feeding frame A1.1 is rotatably connected to a conveying height adjustment rod A1.2 for adjusting the support height, and a plurality of support units A2 are fixed on the feeding frame A1.1; the support unit A2 includes a height adjustment sleeve A2.1, and the height adjustment sleeve A2.1 is slidably connected to a conveying support rod A2.2, and the upper end of the conveying support rod A2.2 is rotatably connected to two rotating drums A2.3, and the two rotating drums A2.3 are arranged in a V shape, and the pipe fittings are placed on the two rotating drums A2.3; the side wall of the conveying support rod A2.2 is provided with a tooth groove, and the conveying height adjustment rod A1.2 is fixedly connected to a gear that cooperates with the tooth groove, thereby realizing the adjustment of the conveying height and matching pipe fittings of different diameters.

[0051] Furthermore, a cutting and pinching assembly A3 is provided between the cutting mechanism A4 and the feeding frame A1.1, and the cutting and pinching assembly A3 includes a pinching screw rod A3.2, which is rotatably connected to the feeding frame A1.1 and is threadedly connected to a pinching base A3.3 on the outer side; the pinching screw rod A3.2 is connected to a pinching drive motor A3.1 on the side away from the cutting mechanism A4; the pinching base A3.3 is longitudinally slidably connected to the feeding frame A1.1, and two oppositely arranged material clamps A3.4 and at least one pinching cylinder are laterally slidably connected to the pinching base A3.3. The output end of the clamping cylinder is connected to the material clamp A3.4, which can first move longitudinally, approach the support unit A2, then clamp the pipe, and then move toward the cutting mechanism A4, so as to cyclically adjust the length to be cut; the cutting mechanism A4 is provided with a cutting machine, and a conveyor belt A1.3 is provided on the side of the cutting machine away from the support unit A2, and a transverse transfer mechanism B is provided next to the conveyor belt A1.3. The transverse transfer mechanism B includes a cutting material pushing cylinder and a cutting material pushing plate fixedly connected to the output end of the cutting material pushing cylinder. The cutting material pushing plate moves horizontally so as to push the pipe into the silo C5.

[0052] like Figures 7-9Further, the punching unit comprises a positioning and pressing punching assembly C3.3 for positioning and punching, a punching driving assembly C3.2 for driving the positioning and pressing punching assembly C3.3 to move, and an end punching assembly C3.4 for the end of the column material, wherein the punching driving assembly C3.2 is mounted on the punching platform C1 through a punching driving mounting plate C3.1, and the pipe to be processed is longitudinally placed during use; the punching driving assembly C3.2 comprises a punching linear driving device C3.2.1 and a punching die frame C3.2.2; the end punching assembly C3.4 is longitudinally and slidingly connected to the punching die frame C3.2.2; the positioning and pressing punching assembly C3.3 comprises a punching fixed block C3.3.1, a punching guide block C3.3.2, a punching positioning and clamping die C3.3.3 for clamping the material, and a punching needle C3.3.5 for punching, wherein the fixed block is longitudinally and slidingly connected to the punching die frame C3.2.2, the punching guide block C3.3.2 is vertically and lockably slidingly connected to the punching fixed block C3.3.1, the punching needle C3.3.5 is fixedly connected to the punching fixed block C3.3.1, and the punching positioning and clamping die C3.3.3 is transversely and slidingly connected to the punching guide block C3.3.2 and the punching needle C3.3.5; after the material is clamped transversely, the punching needle C3.3.5 protrudes from the punching positioning and clamping die C3.3.3 so as to punch the pipe, and the positioning and pressing punching assembly C3.3 can be correspondingly provided with multiple assemblies to realize single-time processing of multiple holes, which is simple in operation and is conducive to improving the processing efficiency; and the punching guide block C3.3.2, the punching positioning and clamping die C3.3.3, and the punching needle C3.3.5 can be quickly switched for different pipe diameters, the time for switching the die is reduced, and the processing efficiency is further improved.

[0053] Further, a compression spring C3.3.4 is transversely connected between the punching positioning and clamping die C3.3.3 and the punching guide block C3.3.2; a longitudinally-through punching allowance slot C3.3.2.1 is arranged at the outer end of the punching guide block C3.3.2, and the punching positioning and clamping die C3.3.3 is arranged in the punching allowance slot C3.3.2.1 and is provided with a V-shaped positioning slot C3.3.3.1 at the end; and correspondingly, the punching needle C3.3.5 is arranged in the middle of the V-shaped positioning slot C3.3.3.1, which improves the accuracy of material positioning.

[0054] Further, a punching limiting guide hole C3.3.2.2 is arranged on the upper side of the punching guide block C3.3.2, a punching limiting sliding block C3.3.3.2 is fixedly connected to the punching positioning and clamping die C3.3.3, and the punching limiting sliding block C3.3.3.2 is transversely and slidingly connected to the punching limiting guide hole C3.3.2.2 to transversely limit the punching positioning and clamping die C3.3.3.

[0055] Specifically, the punching fixed block C3.3.1 is provided with a punching transverse limit groove C3.3.1.1 and a punching transverse limit block C3.3.1.2, and the punching die frame C3.2.2 is in surface contact with the transverse limit groove or the punching transverse limit block C3.3.1.2, and is in stable contact with the punching die frame C3.2.2 to prevent lateral or vertical displacement.

[0056] Specifically, the punching die frame C3.2.2 includes a first punching beam and a second punching beam arranged parallel to each other and spaced apart. The first punching beam and the second punching beam are each separately connected to a punching linear drive device C3.2.1. The first punching beam and the second punching beam are each connected to a positioning and clamping punching assembly C3.3 to realize double-station or multi-station operation, and can realize double-sided punching at the same time, further improving processing efficiency.

[0057] Specifically, the positioning and pressing punching components C3.3 on the first punching beam and the second punching beam are arranged opposite to each other, and the driving directions of the corresponding punching linear drive devices C3.2.1 are also arranged in opposite directions, which optimizes space utilization and ensures balanced punching force.

[0058] Specifically, the two punching fixed blocks C3.3.1 arranged opposite to each other are connected by two sets of punching guide columns C3.3.6.1 and punching guide sleeves C3.3.6.2. The punching guide sleeves C3.3.6.2 are sleeved outside the punching guide columns C3.3.6.1, and the punching guide columns C3.3.6.1 are slidably connected to the punching guide sleeves C3.3.6.2 to achieve precise positioning and guidance.

[0059] Furthermore, a material sorting device C13 for pushing and arranging the ends of the pipes is provided on both sides of the loading rack C4; the material sorting device C13 includes a cylinder and a push plate, which can push the ends of the pipes, thereby arranging the longitudinal positions of the pipes.

[0060] A discharge rack C9 for temporarily placing punched pipe fittings is provided between the punching mechanism C3 and the flipping and transferring device C10; a discharge adjustment device C11 is also provided on the punching platform C1, and the discharge adjustment device C11 includes a rotary adjustment motor and a discharge adjustment manipulator, and the discharge adjustment manipulator is fixedly connected to the output end of the rotary adjustment motor. The discharge adjustment manipulator is arranged toward the discharge rack C9, and can clamp the punched pipe fittings and rotate them to adjust the material placement angle.

[0061] Specifically, the hopper C5 includes two hopper bottom plates C5.1 arranged longitudinally symmetrically, end baffle plates C5.2 fixedly connected to opposite sides of the two hopper bottom plates C5.1, an upper feeding baffle plate C5.3 fixedly connected to a side of the end baffle plate C5.2 close to the punching mechanism C3, the upper feeding baffle plate C5.3 being arranged spaced apart from the support plate to form a discharging opening; the support plate and the upper feeding baffle plate C5.3 are fixedly connected with hopper pad rods C5.4 for reducing friction; the hopper pad rods C5.4 are arranged perpendicularly to the longitudinal direction, and since the pipe fittings are placed parallel to the longitudinal direction, the hopper pad rods C5.4 can reduce the contact area of the pipe fittings with the hopper C5, thereby improving the smoothness of movement of the pipe fittings; in order to ensure that the pipe fittings move naturally to the discharging opening, the hopper bottom plates C5.1 are arranged obliquely, and the discharging opening is lower in height; the output end of the pushing straight-line driving device C6 is connected with a pushing plate; after the pipe fittings fall from the discharging opening, the pipe fittings are supported by the plate at both ends, and then the lowermost pipe fitting is pushed by the pushing straight-line driving device C6, and the pipe fitting falls onto the feeding rack C4 to realize automatic feeding.

[0062] Further, the end punching assembly C3.4 includes an end punching mounting plate C3.4.7, an end punching straight-line driving device C3.4.1 for the end punching assembly C3.4, a core rod C3.4.3 for inserting the cylindrical material, and a stop block C3.4.2 for limiting the cylindrical material, the end punching mounting plate C3.4.7 being longitudinally slidably connected to the punching platform C1, the stop block C3.4.2 being connected with the output end of the end punching straight-line driving device C3.4.1 on one side and with the core rod C3.4.3 on the other side.

[0063] The end punching mounting plate C3.4.7 is provided with an end punching unit, the end punching unit including an end punching guide plate C3.4.6 and an end punching seat C3.4.4 transversely slidably connected to the end punching mounting plate C3.4.7, the end punching seat C3.4.4 being longitudinally slidably connected to the punching die holder C3.2.2, the end punching seat C3.4.4 being fixedly connected with an end punching secondary needle C3.4.5 for punching, the end punching secondary needle C3.4.5 being transversely slidably connected to the end punching guide plate C3.4.6, the end punching guide plate C3.4.6 being capable of clamping the pipe fittings.

[0064] The punching unit also includes a positioning assembly C3.5 for adjusting the longitudinal position of the core rod C3.4.3. The positioning assembly C3.5 includes an end punch mounting base plate C3.5.2, a positioning screw C3.5.1 and a positioning screw nut. The positioning screw nut is threadedly connected to the positioning screw C3.5.1. The end punch linear drive device C3.4.1, the material bin C5 and the material sorting device C13 are installed and fixed on the end punch mounting base plate C3.5.2. The end punch mounting plate C3.4.7 is slidingly connected to the end punch mounting base plate C3.5.2. The positioning screw is rotatably connected to the punching platform C1. The end punch mounting base plate C3.5.2 is longitudinally slidably connected to the punching platform C1 and is fixedly connected to the positioning screw nut. The width of the material bin C5 and the distance between the core rods C3.4.3 on both sides can be adjusted to adapt to pipe fittings of different lengths and specifications.

[0065] Furthermore, a pressing device C8 is provided on the beam C2, and the pressing device C8 includes a pressing mounting base plate C8.1. A downward pressing drive device C8.2 is fixedly connected to the pressing mounting base plate C8.1, and a pressing block C8.3 is fixedly connected to the output end of the downward pressing drive device C8.2. An arc-shaped pressing groove is provided on the lower end surface of the pressing block C8.3. The arc-shaped pressing groove presses the pipe to be punched on the punching assembly, thereby improving the stability of the punching process and thus improving the accuracy of the punching.

[0066] Furthermore, each downward pressure drive device C8.2 is composed of four cylinders, and the telescopic rods of the four cylinders are arranged in a rectangular shape, which can improve the stability and strength of the downward pressure.

[0067] Specifically, V-shaped grooves are provided on the upper ends of the loading rack C4 and the unloading rack C9 to facilitate positioning of the pipe fittings and prevent them from moving.

[0068] Furthermore, at least one bending unit D3 is equipped with a bend adjustment device D5, comprising a bend adjustment mounting plate D5.1, to which is mounted a bend adjustment telescopic drive device D5.2. The output end of the bend adjustment telescopic drive device D5.2 is fixedly connected to a bend adjustment movable block D5.3, which is slidably connected to the bend adjustment mounting plate D5.1. The bend adjustment mounting plate D5.1 is fixedly connected to a bend adjustment fixed block D5.1.1 at one end near the bending die D3.3. The provision of this bend adjustment device D5 enables precise adjustment of the pipe position before processing, ensuring bending accuracy and improving product quality.

[0069] The D5.2 bending pipe adjustment and telescopic drive device adopts a cylinder, which can save costs.

[0070] Furthermore, bend transition plates D6 are fixedly connected to both sides of the stacking rack D2 to receive the bent pipes after they have been flipped. These bend transition plates D6 are tilted downward, away from the bending unit D3. This design ensures a smooth transition of pipes to the stacking rack D2 during unloading, preventing damage to the pipes from direct impact and improving the stability and safety of the production process.

[0071] Among them, the inclination angle of the bend tube flip transition plate D6 is controlled at 45 degrees.

[0072] Furthermore, the stacking rack D2 includes a stacking upright D2.1, fixedly connected to two stacking beams D2.2 spaced apart. This provides a stable structure capable of supporting the weight of multiple pipes. After bending, the pipes are mounted on the stacking beams D2.2 on either side, saving costs while ensuring stability and facilitating pipe organization.

[0073] The bottom of the upright pole is fixedly connected with a non-slip and shock-resistant base, which can improve the stability of the material receiving rack D2.

[0074] Furthermore, the receiving beam D2.2 is tilted downward on the side away from the bending unit D3. The tilted design of the receiving beam D2.2 allows the pipes to slide naturally into the receiving area, reducing the need for manual handling and further improving the automation level of the production line.

[0075] Furthermore, the bend clamping assembly D3.4 includes a bend clamping slide D3.4.1, which is fixedly connected to an outer bend die D3.4.2 on its side near the bend die D3.3. The outer bend die D3.4.2 is provided with an arc-shaped slot for positioning the pipe. The design of the outer bend die D3.4.2 and the slot precisely secures the pipe, ensuring precision and consistency in the bend process and improving product quality.

[0076] Furthermore, a bend clamping and retracting drive mechanism is mounted on the rotating drive base D3.2, with its output fixedly connected to the bend clamping slide D3.4.1. This mechanism enables the bend clamping assembly D3.4 to automatically adjust its clamping force to accommodate pipes of varying diameters, enhancing the device's versatility and flexibility.

[0077] Further, a bending distance adjusting assembly D7 is arranged below each bending unit D3, which comprises a bending base D7.1, a pitch adjusting lead screw D7.3 and a pitch adjusting lead screw nut D7.2; the lower end of the bending base D7.1 is fixedly connected to the pitch adjusting lead screw nut D7.2, the pitch adjusting lead screw nut D7.2 is longitudinally slidingly connected to the bending rack D1 and threadedly connected to the pitch adjusting lead screw D7.3, the upper end of the bending base D7.1 is fixedly connected to the rotary driving base D3.2, and the pitch adjusting lead screw D7.3 is rotatably connected to the bending rack D1. The arrangement of the bending distance adjusting assembly D7 allows the user to adjust the distance between the bending units D3 according to actual needs, so as to adapt to pipe fittings of different lengths or special processing requirements, thereby enhancing the adaptability and flexibility of the equipment.

[0078] Further, the pitch adjusting lead screw D7.3 is externally fixedly connected with a rocking wheel D7.4, so that the pitch adjusting operation is more convenient and labor-saving, and the convenience and comfort of using the equipment are improved.

[0079] Further, the middle part of the hinged plate D4.2 is hinged to the material receiving rack D2, and the material receiving telescopic driving device D4.3 is hinged to the bending rack D1, so that the blanking rod D4.1 can be flexibly turned around the hinge point, ensuring that the pipe fitting can accurately and accurately fall into the material receiving rack D2, while reducing the friction and wear between mechanical parts, prolonging the service life of the equipment.

Claims

1. A pipe blanking, punching, double-bending and collecting production line, characterized in that: It includes a feeding mechanism (A) for conveying along the length direction of the pipe, a feeding and punching integrated machine (C) for automatic feeding and punching, and a bent pipe collection device for bending and automatic unloading; The feeding and punching integrated machine (C) comprises a punching platform (C1), a punching mechanism (C3) is provided on the punching platform (C1), the punching mechanism (C3) comprises a plurality of punching units, the pipe fittings are longitudinally placed on the punching units for punching, a beam frame (C2) is provided on the upper side of the punching mechanism (C3), a loading rack (C4) and a hopper (C5) are sequentially provided on one side of the punching mechanism (C3), and a flipping and transferring device (C10) for unloading is provided on the other side; a discharge port and a linear pusher drive device (C6) are provided on the lower side of the hopper (C5), the output end of the linear pusher drive device (C6) faces the loading rack (C4), a horizontal material moving device (C7) is provided on the beam frame (C2), and the horizontal material moving device (C7) comprises a horizontal material moving mounting frame (C7.1), a water A translational material drive device (C7.2) and a horizontal material transfer manipulator (C7.3); the horizontal material transfer drive device (C7.2) is mounted and fixed on the horizontal material transfer mounting frame (C7.1) and its output end is connected to the horizontal material transfer manipulator (C7.3); the horizontal material transfer manipulator (C7.3) is laterally slidably connected to the horizontal material transfer mounting frame (C7.1); the flipping material transfer device (C10) includes a shaft mounting frame (C10.1), a flipping material transfer motor (C10.2), a flip shaft (C10.3), a flip plate (C10.4), and a flipping material transfer manipulator (C10.5) for clamping punched pipe fittings; the flip plate (C10.4) is fixedly connected to the flip shaft (C10.3), and the flipping material transfer manipulator (C10.5) is mounted on the flip plate (C10.4); Material sorting devices (C13) for pushing and arranging the ends of the pipe fittings are provided on both sides of the loading rack (C4); a discharge rack (C9) for temporarily placing the punched pipe fittings is provided between the punching mechanism (C3) and the turning and transferring device (C10); a discharge adjustment device (C11) is also provided on the punching platform (C1), the discharge adjustment device (C11) comprising a rotary adjustment motor and a discharge adjustment manipulator, the discharge adjustment manipulator being fixedly connected to the output end of the rotary adjustment motor, and the discharge adjustment manipulator being arranged toward the discharge rack (C9); A pipe bending and unloading collection mechanism (D) comprises a pipe bending machine frame (D1) and a material receiving frame (D2), wherein two pipe bending units (D3) are longitudinally arranged side by side on the pipe bending machine frame (D1), and the pipe bending unit (D3) comprises a rotating drive device (D3.1), wherein the output end of the rotating drive device (D3.1) is arranged upward and connected to a pipe bending die (D3.3) for supporting the pipe fitting, and a rotating drive base (D3.2) fixedly connected to the output end of the rotating drive device (D3.1) is arranged on the lower side of the pipe bending die (D3.3), and a locking and sliding connection is provided on the rotating drive base (D3.2) for clamping the pipe fitting. and a rotating pipe bending clamping assembly (D3.4); a material receiving rack (D2) or a pipe bending machine frame (D1) is hingedly connected to a material discharge rod (D4.1) for receiving pipe parts via a hinged plate (D4.2); a material receiving telescopic drive device (D4.3) is also hingedly connected to the material receiving rack (D2) or the pipe bending machine frame (D1); the upper end of the hinged plate (D4.2) is hingedly connected to the material discharge rod (D4.1), and the lower end of the hinged plate (D4.2) is hingedly connected to the output end of the material receiving telescopic drive device (D4.3); the middle part of the hinged plate (D4.2) is hingedly connected to the material receiving rack (D2) or the pipe bending machine frame (D1), and the hinge axis is parallel to the longitudinal direction; After the turning and transferring robot (C10.5) turns over, the pipe falls onto the rotating drive base (D3.2); The feeding mechanism (A) includes a conveying mechanism, which is provided with a cutting mechanism (A4) for cutting pipes to a fixed length and a transverse transfer mechanism (B) for transferring the cut pipes to a silo (C5); after the turning and transferring manipulator (C10.5) turns over, the pipes fall onto the pipe bend unloading and collecting mechanism (D); The conveying mechanism comprises a feeding frame (A1.1), a conveying height adjustment rotating rod (A1.2) for adjusting the support height being rotatably connected to the feeding frame (A1.1), and a plurality of support units (A2) being fixed to the feeding frame (A1.1); the support unit (A2) comprising a height adjustment sleeve (A2.1), a conveying support rod (A2.2) being slidably connected in the height adjustment sleeve (A2.1) up and down, the upper end of the conveying support rod (A2.2) being rotatably connected to two rotating drums (A2.3), the two rotating drums (A2.3) being arranged in a V-shape, and pipe fittings being placed on the two rotating drums (A2.3); a tooth groove being provided on the side wall of the conveying support rod (A2.2), and a gear cooperating with the tooth groove being fixedly connected to the conveying height adjustment rotating rod (A1.2), thereby achieving adjustment of the conveying height and matching pipe fittings of different diameters.

2. The pipe blanking, punching, double-bending and collecting production line according to claim 1 is characterized in that: The punching unit comprises a positioning and pressing punching assembly (C3.3) for positioning the material and punching, a punching drive assembly (C3.2) for driving the positioning and pressing punching assembly (C3.3) to move, and an end punch assembly (C3.4) for pushing the end of the material. The punching drive assembly (C3.2) is installed on the punching platform (C1); the punching drive assembly (C3.2) comprises a punching linear drive device (C3.2.1) and a punching die frame (C3.2.2); the end punch assembly (C3.4) is longitudinally slidably connected to the punching die frame (C3.2.2); the positioning and pressing punching assembly (C3.3) comprises a punching fixed block (C3.3.1), a punching guide block (C3.

3. 2) A punching positioning clamp (C3.3.3) for clamping the material and a punching needle (C3.3.5) for punching, the punching fixed block (C3.3.1) is longitudinally slidably connected to the punching die frame (C3.2.2), the punching guide block (C3.3.2) is lockably vertically slidably connected to the punching fixed block (C3.3.1), the punching needle (C3.3.5) is fixedly connected to the punching fixed block (C3.3.1), the punching positioning clamp (C3.3.3) is laterally slidably connected to the punching guide block (C3.3.2) and the punching needle (C3.3.5), and after the material is clamped laterally, the punching needle (C3.3.5) protrudes from the punching positioning clamp (C3.3.3).

3. The pipe blanking, punching, double-bending and collecting production line according to claim 2 is characterized in that: The punching die frame (C3.2.2) includes a first punching beam and a second punching beam arranged parallel to each other and spaced apart. The first punching beam and the second punching beam are each separately connected to a punching linear drive device (C3.2.1). The first punching beam and the second punching beam are each connected to a positioning and pressing punching assembly (C3.3); the positioning and pressing punching assemblies (C3.3) on the first punching beam and the second punching beam are arranged opposite to each other; the two punching fixed blocks (C3.3.1) arranged opposite to each other are connected by a punching guide column (C3.3.6.1) and a punching guide sleeve (C3.3.6.2), the punching guide sleeve (C3.3.6.2) is sleeved on the outside of the punching guide column (C3.3.6.1), and the punching guide column (C3.3.6.1) is slidably connected to the punching guide sleeve (C3.3.6.2).

4. The pipe blanking, punching, double-bending and collecting production line according to claim 1 is characterized in that: The end punch assembly (C3.4) includes an end punch mounting plate (C3.4.7), an end punch linear drive device (C3.4.1) for the end punch assembly (C3.4), a core rod (C3.4.3) for inserting a cylindrical material, and a support block (C3.4.2) for limiting the position of the cylindrical material. The end punch mounting plate (C3.4.7) is longitudinally slidably connected to the punching platform (C1), and the outer side of the support block (C3.4.2) is connected to the output end of the end punch linear drive device (C3.4.1), and the other side is connected to the core rod (C3.4.3); the punching unit also includes a positioning assembly (C3.5) for adjusting the longitudinal position of the core rod (C3.4.3). The component (C3.5) includes an end punch mounting base plate (C3.5.2), a positioning screw (C3.5.1) and a positioning screw nut, the positioning screw nut is threadedly connected to the positioning screw (C3.5.1), the end punch linear drive device (C3.4.1), the material bin (C5) and the material sorting device (C13) are installed and fixed on the end punch mounting base plate (C3.5.2), the end punch mounting plate (C3.4.7) is slidably connected to the end punch mounting base plate (C3.5.2), the positioning screw is rotatably connected to the punching platform (C1), and the end punch mounting base plate (C3.5.2) is longitudinally slidably connected to the punching platform (C1) and fixedly connected to the positioning screw nut.

5. The pipe blanking, punching, double-bending and collecting production line according to claim 1 is characterized in that: At least one of the pipe bending units (D3) is provided with a pipe bending position adjustment device (D5), the pipe bending position adjustment device (D5) comprising a pipe bending position adjustment mounting plate (D5.1), a pipe bending position adjustment telescopic driving device (D5.2) being fixedly mounted on the pipe bending position adjustment mounting plate (D5.1), an output end of the pipe bending position adjustment telescopic driving device (D5.2) being fixedly connected to a pipe bending position movable block (D5.3), the pipe bending position movable block (D5.3) being slidably connected to the pipe bending position adjustment mounting plate (D5.1), and a pipe bending position fixed block (D5.1.1) being fixedly connected to the end of the pipe bending position adjustment mounting plate (D5.1) close to the pipe bending die (D3.3).

6. The pipe blanking, punching, double-bending and collecting production line according to claim 1 or 5, characterized in that: A pipe bending distance adjustment assembly (D7) is provided under each pipe bending unit (D3), and the pipe bending distance adjustment assembly (D7) comprises a pipe bending base (D7.1), a spacing adjustment screw rod (D7.3), and a spacing adjustment screw nut (D7.2); the lower end of the pipe bending base (D7.1) is fixedly connected to the spacing adjustment screw nut (D7.2), the spacing adjustment screw nut (D7.2) is longitudinally slidably connected to the pipe bending machine frame (D1) and is threadedly connected to the spacing adjustment screw rod (D7.3); the upper end of the pipe bending base (D7.1) is fixedly connected to the rotating drive base (D3.2), and the spacing adjustment screw rod (D7.3) is rotationally connected to the pipe bending machine frame (D1).

7. The pipe blanking, punching, double-bending and collecting production line according to claim 1 is characterized in that: The material receiving rack (D2) is fixedly connected to two sides with bending tube flipping transition plates (D6) for receiving the bent tubes after flipping, and the bending tube flipping transition plates (D6) are arranged to be tilted downward on the side away from the bending unit (D3); the material receiving rack (D2) includes a material receiving vertical rod (D2.1), and two material receiving cross beams (D2.2) are fixedly connected to the material receiving vertical rod (D2.1), and the two material receiving cross beams (D2.2) are arranged at intervals; the material receiving cross beam (D2.2) is arranged to be tilted downward on the side away from the bending unit (D3).

8. The pipe blanking, punching, double-bending and collecting production line according to claim 1 is characterized in that: The horizontal material shifting mounting frame (C7.1) is longitudinally slidably connected to the beam frame (C2), the beam frame (C2) is rotatably connected to a material shifting position adjusting screw rod (C12), the material shifting position adjusting screw rod (C12) is externally threadedly connected to a material shifting position adjusting screw nut, and the horizontal material shifting mounting frame (C7.1) is fixedly connected to the material shifting position adjusting screw nut.

Images