CN111823007A - Pipe sawing device for cantilever pre-preparation - Google Patents

Pipe sawing device for cantilever pre-preparation Download PDF

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Publication number
CN111823007A
CN111823007A CN202010760936.XA CN202010760936A CN111823007A CN 111823007 A CN111823007 A CN 111823007A CN 202010760936 A CN202010760936 A CN 202010760936A CN 111823007 A CN111823007 A CN 111823007A
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CN
China
Prior art keywords
pipe
cantilever
sawing
flat
supporting
Prior art date
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Pending
Application number
CN202010760936.XA
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Chinese (zh)
Inventor
董建林
秦俊非
王振文
李继亮
梁伟冬
赵贤华
张桂平
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.)
China Railway Construction Electrification Bureau Group Co Ltd
Third Engineering Co Ltd of China Railway Construction Electrification Bureau Group Co Ltd
Original Assignee
China Railway Construction Electrification Bureau Group Co Ltd
Third Engineering Co Ltd of China Railway Construction Electrification Bureau Group Co Ltd
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Publication date
Application filed by China Railway Construction Electrification Bureau Group Co Ltd, Third Engineering Co Ltd of China Railway Construction Electrification Bureau Group Co Ltd filed Critical China Railway Construction Electrification Bureau Group Co Ltd
Priority to CN202010760936.XA priority Critical patent/CN111823007A/en
Publication of CN111823007A publication Critical patent/CN111823007A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P23/00Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
    • B23P23/02Machine tools for performing different machining operations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B41/00Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D45/00Sawing machines or sawing devices with circular saw blades or with friction saw discs
    • B23D45/12Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade for cutting tubes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D47/00Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
    • B23D47/08Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of devices for bringing the circular saw blade to the workpiece or removing same therefrom
    • B23D47/10Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of devices for bringing the circular saw blade to the workpiece or removing same therefrom actuated by fluid or gas pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/08Work-clamping means other than mechanically-actuated

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Sawing (AREA)

Abstract

A sawing device for a pipe for cantilever preassembly comprises a supporting mechanism for supporting a cantilever and a sawing mechanism for sawing the cantilever; the supporting mechanism comprises a plurality of sawing pincers which are distributed along a straight line, and each sawing pincers comprises a fixing plate and a jacking block which is used for jacking the wrist arm on the fixing plate; the saw cutting mechanism comprises a saw cutting machine, a first driving unit and a second driving unit, wherein the first driving unit is used for driving the saw cutting machine to move along the radial direction of the wrist arm, and the second driving unit is used for driving the saw cutting machine to move along the axial direction of the wrist arm. The invention provides a sawing device for a pipe for cantilever preparation, which can improve the processing efficiency of a cantilever and can process a flat cantilever and an inclined cantilever.

Description

Pipe sawing device for cantilever pre-preparation
Technical Field
The invention relates to the technical field of processing of wrists, in particular to a sawing device for a pipe for cantilever preparation.
Background
In a traction power supply system, a cantilever is an important component of a contact system, is usually installed at the upper part of a support column and is used for supporting a contact suspension and plays a role in transferring load, and is generally made of round steel pipes, and the length of the cantilever is related to factors such as the structural height of the contact suspension, the lateral limit of the support column and the position of the support column. With the development of the technology, the structure of the wrist arm is also changing, and now, a simplified wrist arm is gradually used. The simplified wrist arm mainly comprises a flat wrist arm, an inclined wrist arm, a combined messenger wire seat, an aluminum alloy support, a support connector, a combined positioning ring, a pipe cap, a positioner and the like. The flat cantilever and the inclined cantilever are both processed by adopting pipe fittings as raw materials. The pipe needs to be sawed to obtain the required dimensions during the machining process. In current cantilever processing technology, the mode that the pipe fitting adopted artifical saw cutting more, efficiency is lower, can not satisfy large-scale production's demand.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the sawing device for the pipe for the pre-assembly of the wrist arm, which can improve the processing efficiency of the wrist arm and can process a flat wrist arm pipe and an inclined wrist arm pipe.
In order to achieve the purpose, the invention adopts the specific scheme that: a pipe sawing device for cantilever preassembly comprises a supporting mechanism for supporting a pipe and a sawing mechanism for sawing the pipe; the supporting mechanism comprises a plurality of sawing pincers which are distributed along a straight line, and each sawing pincers comprises a fixing plate and a jacking block which is used for jacking the pipe on the fixing plate; the sawing mechanism comprises a sawing machine, a first driving unit and a second driving unit, wherein the first driving unit is used for driving the sawing machine to move along the radial direction of the pipe, and the second driving unit is used for driving the sawing machine to move along the axial direction of the pipe.
As a further optimization of the above-mentioned cantilever sawing device: the supporting mechanism comprises two main supporting rods which are parallel to each other and fixedly connected, the main supporting rods are horizontally arranged, the sawing pliers are movably connected with the two main supporting rods, the two main supporting rods are movably connected with stand columns, U-shaped grooves are fixedly formed in the stand columns, a plurality of carrier rollers are rotatably arranged in the U-shaped grooves, and the pipe penetrates through the U-shaped grooves and is placed on the carrier rollers.
As a further optimization of the above-mentioned cantilever sawing device: the fixed plate is provided with a plurality of through grooves, supporting rolls are rotatably arranged in the through grooves, the axes of the supporting rolls are perpendicular to the axis of the pipe, the jacking block is provided with a limiting groove, and the limiting groove extends along the axial direction of the pipe.
As a further optimization of the above-mentioned cantilever sawing device: the tube is a flat cantilever tube or an inclined cantilever tube, and the supporting mechanism comprises a flat cantilever tube positioning unit for positioning the end part of the flat cantilever tube and an inclined cantilever tube positioning unit for positioning the end part of the inclined cantilever tube.
As a further optimization of the above-mentioned cantilever sawing device: the flat cantilever pipe positioning unit comprises a supporting block which is fixedly arranged, a containing groove used for containing the flat cantilever pipe is formed in the supporting block, a pressing motor is fixedly arranged on one side of the supporting block, the pressing motor is in driving connection with at least one swinging arm, and all the swinging arms are fixedly connected with a pressing plate used for pressing the pipe in the containing groove.
As a further optimization of the above-mentioned cantilever sawing device: the flat cantilever tube positioning unit comprises a flat cantilever tube push plate movably arranged at one end of the flat cantilever tube, the flat cantilever tube push plate is perpendicular to the flat cantilever tube, an elongated slot is formed in the flat cantilever tube push plate, a laser ranging sensor is arranged on one side, back to the flat cantilever tube, of the flat cantilever tube push plate, and detection light of the laser ranging sensor penetrates through the elongated slot.
As a further optimization of the above-mentioned cantilever sawing device: one end of the inclined cantilever pipe is provided with a positioning hole, the inclined cantilever pipe positioning unit comprises an inclined cantilever pipe positioning pin which is movably arranged, and the inclined cantilever pipe positioning pin is matched with the positioning hole.
As a further optimization of the above-mentioned cantilever sawing device: the inclined cantilever pipe positioning unit comprises a supporting block and a pressing cylinder which are fixedly arranged, a containing groove used for containing the inclined cantilever pipe is formed in the supporting block, the pressing cylinder is in driving connection with at least one rotating plate, and the rotating plates are fixedly connected with a pressing rod used for pressing the inclined cantilever pipe.
As a further optimization of the above-mentioned cantilever sawing device: the device comprises a drilling mechanism for drilling a hole on the pipe, wherein the drilling mechanism comprises at least one servo drilling machine arranged on the side of the pipe.
As a further optimization of the above-mentioned cantilever sawing device: the device also comprises a waste material slide way obliquely arranged below the pipe.
Has the advantages that: the invention can automatically saw and cut the wrist arm, thereby improving the processing efficiency of the wrist arm, and can process flat wrist arm pipes and inclined wrist arm pipes.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a flat cantilever tubing positioning unit;
FIG. 3 is a schematic diagram of the construction of the sawing shears;
FIG. 4 is a schematic view of the saw mechanism;
fig. 5 is a schematic structural view of the oblique cantilever tubing positioning unit.
Description of the drawings: 1-main supporting rod, 2-end supporting plate, 3-compacting motor, 4-swinging arm, 5-pressing plate, 6-first servo drilling machine, 7-holding tank, 8-supporting block, 9-correlation photoelectric sensor, 10-rack, 11-waste slideway, 12-pipe, 13-movable supporting plate, 14-first servo driver, 15-saw cutting pliers, 16-saw, 17-saw cutting supporting plate, 18-second servo driver, 19-second servo drilling machine, 20-flat wrist arm pipe pushing plate, 21-compacting cylinder, 22-compacting rod, 23-vertical plate, 24-horizontal plate, 25-fixing plate, 26-through groove, 27-supporting roller, 28-compacting block, 29-limiting groove, 30-clamping cylinder, 31-adjusting cylinder, 32-sliding rail, 33-sliding block, 34-upright post, 35-U-shaped groove, 36-carrier roller, 37-long groove, 38-laser distance measuring sensor, 39-side plate, 40-connecting shaft, 41-rotating plate, 42-inclined wrist arm pipe positioning pin, 43-jacking cylinder, 44-pushing cylinder and 45-mounting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, a wrist-arm pre-prepared tube sawing device includes a supporting mechanism for supporting a tube 12 and a sawing mechanism for sawing the tube 12.
The supporting mechanism comprises a plurality of sawing jaws 15 distributed along a straight line, and the sawing jaws 15 comprise a fixed plate 25 and a jacking block 28 for jacking the pipe 12 against the fixed plate 25.
The saw mechanism includes a saw 16, a first drive unit for driving the saw 16 to move in a radial direction of the pipe 12, and a second drive unit for driving the saw 16 to move in an axial direction of the pipe 12.
In use, the pipe 12 is supported by the supporting mechanism, specifically, the pipe 12 is pressed against the fixing plate 25 by the pressing block 28 to clamp the pipe 12, then the sawing machine 16 is driven by the first driving unit to extend along the length direction of the pipe 12, and after reaching the target position, the sawing machine 16 is driven by the second driving unit to extend along the radial direction of the pipe 12, so that the sawing machine 16 can cut the pipe 12, and the sawing process of the pipe 12 is completed.
The automatic pipe sawing machine can automatically saw the pipe 12, so that the processing efficiency of the wrist arm is improved.
In order to better support the pipe 12 and ensure that the pipe 12 is kept stable in the sawing process, thereby improving the sawing precision, the support mechanism comprises two main support rods 1 which are parallel to each other and are fixedly connected, the main support rods 1 are horizontally arranged, the sawing pliers 15 are movably connected with the two main support rods 1, the two main support rods 1 are also movably connected with a stand column 34, a U-shaped groove 35 is fixedly arranged on the stand column 34, a plurality of carrier rollers 36 are rotatably arranged in the U-shaped groove 35, and the pipe 12 passes through the U-shaped groove 35 and is placed on the carrier rollers 36. Tubular product 12 is at the saw cutting in-process, length can change, it can move along main tributary vaulting pole 1 according to the current length of tubular product 12 to saw cut pincers 15, thereby support tubular product 12 in suitable position, avoid tubular product 12 the unsettled condition of tip to appear, thereby the stability of tubular product 12 has been guaranteed, tubular product 12's stability is further strengthened with the cooperation of U type groove 35 to stand 34, consider that saw cutter 16 can cause tubular product 12 vibration when sawing tubular product 12, it is more likely to lead to the skew of tubular product 12, consequently stand 34 can set up in the side of saw cutter 16 and along with saw cutter 16 synchronous axial displacement along tubular product 12. The supporting roller 36 is used for enabling the pipe 12 to still move axially after entering the U-shaped groove 35, so that the position of the pipe 12 can be conveniently adjusted to determine the initial position of the pipe 12, and the machining precision is further improved.
The specific movement setting mode of the sawing and cutting pliers 15 is as follows: the sawing and cutting pliers 15 is arranged on a movable supporting plate 13, the movable supporting plate 13 is slidably connected with the main supporting rod 1, a first servo driver 14 is vertically arranged on the movable supporting plate 13, the first servo driver 14 is in driving connection with a gear, the gear is located below the movable supporting plate 13, a rack 10 extending along the length direction is fixedly arranged on the main supporting rod 1, the rack 10 is matched with the gear, the first servo driver 14 drives the gear to rotate, the gear is matched with the rack 10 so that the gear can move along the rack 10, the movable supporting plate 13 and the sawing and cutting pliers 15 are driven to move, in order to ensure that the direction of the movable supporting plate 13 cannot deviate, two tracks can be fixedly arranged on the main supporting rod 1, the movable supporting plate 13 is slidably connected with the two tracks, and the movable supporting plate 13 is guided by the two tracks.
The second driving unit can adopt a similar structure, namely the sawing machine 16 is arranged on a sawing support plate 17, the sawing support plate 17 is movably arranged on two main support rods 1, the sawing support plate 17 is in sliding connection with two rails, the second driving unit comprises a second servo driver 18 vertically arranged on the sawing support plate 17, the second servo driver 18 is also in driving connection with a gear which is positioned below the sawing support plate 17 and matched with the rack 10, the second servo driver 18 drives the gear to rotate, the sawing support plate 17 is driven to move on the main support rods 1 by the matching of the gear and the rack 10, and then the sawing machine 16 is driven to move along the axial direction of the pipe 12. In the present embodiment, both the first servo driver 14 and the second servo driver 18 may be provided as motors.
On being provided with saw cut backup pad 17's basis, first drive unit includes two fixed slide rails 32 that set up in saw cutting backup pad 17 to slide rail 32 and main tributary vaulting pole 1 mutually perpendicular slide rail 32 goes up the slip and is provided with slider 33, and the common fixedly connected with movable block of two sliders 33, movable block and saw cutting machine 16 fixed connection, and movable block fixedly connected with adjusting cylinder 31, adjusting cylinder 31's piston rod is parallel to each other with slide rail 32. When the radial movement that needs to make saw cut machine 16 along tubular product 12 saw cuts tubular product 12, adjusting cylinder 31 starts to promote movable block and slider 33 and remove along slide rail 32, the movable block removes the in-process and drives saw cut machine 16 and remove, realizes the regulation to saw cut machine 16 position, and then utilizes saw cut machine 16 to saw cut tubular product 12.
In order to improve the sawing precision, the position of the pipe 12 needs to be finely adjusted before the pipe 12 is fixed by the sawing pliers 15, in order to ensure that the pipe 12 can move in the sawing pliers 15, a plurality of through grooves 26 are formed in the fixing plate 25, supporting rollers 27 are rotatably arranged in the through grooves 26, the axes of the supporting rollers 27 are perpendicular to the axis of the pipe 12, limiting grooves 29 are formed in the jacking blocks 28, and the limiting grooves 29 extend along the axial direction of the pipe 12. The support rollers 27 can support the pipe 12 and prevent excessive resistance from being generated on the pipe 12 in the moving process of the pipe 12 by utilizing the characteristic of self-rotation, so that the position of the pipe 12 can be finely adjusted by moving the pipe 12.
The saw cutting pliers 15 further comprises a vertical plate 23 fixedly arranged on the movable supporting plate 13, the two vertical plates 23 are parallel to each other, a horizontal plate 24 is fixedly connected between the tops of the two vertical plates 23, the fixing plate 25 is vertically and fixedly arranged on the horizontal plate 24, the jacking block 28 is arranged on the horizontal plate 24 in a sliding mode, a clamping cylinder 30 is fixedly arranged on the horizontal plate 24, and the clamping cylinder 30 is in driving connection with the jacking block 28. When the tight piece 28 in top tightly the fixed plate 25 with tubular product 12, tight piece 28 in top can avoid tubular product 12 level to rock with fixed plate 25, in order to further avoid tubular product 12 to rock perpendicularly, spacing groove 29 has still been seted up on the tight piece 28 in top towards one side of fixed plate 25, spacing groove 29 extends and link up the lateral wall of tight piece 28 two relative settings in top along the length direction of tubular product 12, tubular product 12 is located spacing groove 29 when tight piece 28 in top tightly tubular product 12 on fixed plate 25, thereby can not take place to rock in the vertical direction.
Under the general condition, tubular product 12 is flat cantilever tubular product or oblique cantilever tubular product, in order to further promote the machining efficiency of this device, makes this device can both process flat cantilever tubular product and can process oblique cantilever tubular product, and supporting mechanism includes the flat cantilever tubular product locating unit that is used for fixing a position the tip of flat cantilever tubular product and is used for the oblique cantilever tubular product locating unit that is used for fixing a position the tip of oblique cantilever tubular product.
The specific structure of the flat cantilever tube positioning unit is as follows: the flat cantilever pipe positioning unit comprises a supporting block 8 fixedly arranged, a containing groove 7 used for containing the flat cantilever pipe is formed in the supporting block 8, a pressing motor 3 is fixedly arranged on the side of the supporting block 8, the pressing motor 3 is in driving connection with at least one swinging arm 4, and the common fixing connection of all the swinging arms 4 is used for pressing the pipe 12 to a pressing plate 5 in the containing groove 7. Supporting shoe 8 cooperatees with supporting mechanism for support flat cantilever tubular product, further guarantee flat cantilever tubular product stability at the saw cutting in-process, after placing flat cantilever tubular product holding tank 7, compress tightly motor 3 and start, drive 4 swings of swing arm by compressing tightly motor 3, and then drive clamp plate 5 by swing arm 4 and compress tightly flat cantilever tubular product on supporting shoe 8, thereby with the position fixation of flat cantilever tubular product. The support block 8 is fixedly disposed on one end support plate 2, and the end support plate 2 is fixedly disposed on one end of the main support bar 1.
Considering that the position of the flat-cantilever tubing is difficult to control accurately in the process of placing the flat-cantilever tubing on the supporting mechanism and the supporting block 8, the flat-cantilever tubing needs to be further adjusted, correspondingly, the flat-cantilever tubing positioning unit comprises a flat-cantilever tubing push plate 20 movably arranged at one end of the flat-cantilever tubing, the flat-cantilever tubing push plate 20 is perpendicular to the flat-cantilever tubing, an elongated slot 37 is formed in the flat-cantilever tubing push plate 20, a laser ranging sensor 38 is arranged on one side, opposite to the flat-cantilever tubing, of the flat-cantilever tubing push plate 20, and detection light of the laser ranging sensor 38 penetrates through the elongated slot 37. After the flat cantilever tube is placed on the supporting mechanism and the supporting block 8, the flat cantilever tube is pushed to move axially by the flat cantilever tube push plate 20, the flat cantilever tube is measured by the laser ranging sensor 38, and the position of the flat cantilever tube is accurately determined by the distance between the flat cantilever tube and the laser ranging sensor 38.
The concrete structure of the inclined cantilever tube positioning unit is as follows: one end of the inclined cantilever pipe is provided with a positioning hole, the inclined cantilever pipe positioning unit comprises an inclined cantilever pipe positioning pin 42 which is movably arranged, and the inclined cantilever pipe positioning pin 42 is matched with the positioning hole. The structure of the inclined cantilever pipe is utilized to position the inclined cantilever pipe, so that the positioning is convenient and quick, and the positioning is accurate. The inclined cantilever pipe positioning pin 42 is further fixedly connected with a jacking cylinder 43, the jacking cylinder 43 is used for pushing the inclined cantilever pipe positioning pin 42 to move up and down, the inclined cantilever pipe is placed on the supporting mechanism to be supported, and the jacking cylinder 43 pushes the inclined cantilever pipe positioning pin 42 to upwards penetrate through the positioning hole.
In order to further guarantee the stability of the oblique cantilever tubular product, the oblique cantilever tubular product positioning unit comprises a supporting block 8 and a pressing cylinder 21 which are fixedly arranged, an accommodating groove 7 used for accommodating the oblique cantilever tubular product is formed in the supporting block 8, the pressing cylinder 21 is in driving connection with at least one rotating plate 41, and the pressing rod 22 used for pressing the oblique cantilever tubular product is fixedly connected to all the rotating plates 41. After the inclined cantilever pipe positioning pin 42 penetrates through the positioning hole to position the inclined cantilever pipe, the pressing cylinder 21 drives the rotating plate 41 to rotate, and the rotating plate 41 drives the pressing rod 22 to synchronously rotate in the rotating process until the pressing rod 22 presses the inclined cantilever pipe. More specifically, the oblique cantilever tubular product is usually fixedly connected with a monaural connecting plate, and the locating hole is seted up on the monaural connecting plate, utilizes compressing tightly pole 22 to compress tightly the monaural connecting plate after oblique cantilever tubular product locating pin 42 passes the locating hole, can utilize compressing tightly pole 22 to fix the monaural connecting plate, guarantees that the monaural connecting plate is in the horizontality, and then controls the gesture of oblique cantilever tubular product. In addition, the inclined cantilever pipe positioning unit also comprises a supporting block 8 and a pressing motor 3, the supporting block 8 is used for supporting the inclined cantilever pipe in cooperation with the supporting mechanism, and the pressing motor 3 is also in driving connection with a pressing plate 5 used for pressing the inclined cantilever pipe on the supporting block 8.
The structure of the inclined cantilever pipe positioning unit further comprises a mounting plate 45 which is horizontally and fixedly arranged, a jacking cylinder 43 is arranged below the mounting plate 45, the pressing cylinder 21 is fixedly connected with the mounting plate 45, the mounting plate 45 is also fixedly provided with two side plates 39 which are parallel to each other, the two side plates 39 are respectively and rotatably connected with a rotating plate 41, a connecting shaft 40 is also fixedly connected between the two rotating plates 41, a shaft sleeve is sleeved on the connecting shaft 40, and the inner diameter of the shaft sleeve is larger than the diameter of the connecting shaft 40, the piston rod of the pressing cylinder 21 is fixedly connected with the shaft sleeve, when the pressing cylinder 21 acts, the piston rod pushes the shaft sleeve to move, and then the shaft sleeve drives the connecting shaft 40 to move, the connecting shaft 40 drives the two rotating plates 41 to rotate in the moving process, and the rotating plates 41 drive the pressing rod 22 to rotate in the rotating process until the pressing rod 22 presses the inclined cantilever tube on the supporting block 8.
In order to improve the universality of the invention, ensure that not only a flat-arm pipe material but also an inclined-arm pipe material can be processed, and reduce the complexity of the device, the flat-arm pipe material push plate 20 and the laser ranging sensor 38 in the flat-arm pipe material positioning unit are also arranged on the mounting plate 45, and correspondingly, the mounting plate 45 is also fixedly provided with a push cylinder 44, and the push cylinder 44 is used for pushing the flat-arm pipe material push plate 20.
In order to ensure that the flat cantilever tube positioning unit and the inclined cantilever tube positioning unit can normally function, the correlation photoelectric sensor 9 is fixedly arranged on the supporting block 8, the detection light of the correlation photoelectric sensor 9 is perpendicular to the accommodating groove 7, the correlation photoelectric sensor 9 is utilized to detect whether the flat cantilever tube and the inclined cantilever tube smoothly enter the accommodating groove 7, and other structures are started after the flat cantilever tube and the inclined cantilever tube smoothly enter the accommodating groove 7.
In addition to sawing, the apparatus includes a drilling mechanism for drilling holes in the pipe 12, the drilling mechanism including at least one servo drill positioned laterally of the pipe 12, to facilitate subsequent machining and assembly processes. In this embodiment, two servo drills are provided, a first servo drill 6 which is fixedly arranged and a second servo drill 19 which is movably arranged.
After the sawing is completed, the portion of the tube 12 that is sawn off becomes scrap, and in order to better collect the scrap, the device also comprises a scrap chute 11 that is arranged obliquely below the tube 12. The waste falls into the waste chute 11 after falling and slides down the waste chute 11, and a dedicated receiving device may be provided below the waste chute 11 for receiving the waste.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a cantilever is tubular product saw cuts device for preassembly which characterized in that: comprises a supporting mechanism for supporting the pipe (12) and a sawing mechanism for sawing the pipe (12);
the supporting mechanism comprises a plurality of sawing and cutting pliers (15) distributed along a straight line, and each sawing and cutting pliers (15) comprises a fixing plate (25) and a jacking block (28) for jacking the pipe (12) on the fixing plate (25);
the sawing mechanism comprises a sawing machine (16), a first driving unit for driving the sawing machine (16) to move along the radial direction of the pipe (12), and a second driving unit for driving the sawing machine (16) to move along the axial direction of the pipe (12).
2. The sawing device for pipes to be pre-assembled on a wrist arm as claimed in claim 1, wherein: the supporting mechanism comprises two main supporting rods (1) which are parallel to each other and fixedly connected, the main supporting rods (1) are horizontally arranged, the sawing and cutting pliers (15) are movably connected with the two main supporting rods (1), the two main supporting rods (1) are further movably connected with an upright post (34), a U-shaped groove (35) is fixedly arranged on the upright post (34), a plurality of carrier rollers (36) are arranged in the U-shaped groove (35) in a rotating mode, and the pipe (12) penetrates through the U-shaped groove (35) and is placed on the carrier rollers (36).
3. The sawing device for pipes to be pre-assembled on a wrist arm as claimed in claim 1, wherein: a plurality of through grooves (26) are formed in the fixing plate (25), supporting rollers (27) are arranged in the through grooves (26) in a rotating mode, the axes of the supporting rollers (27) are perpendicular to the axis of the pipe (12), limiting grooves (29) are formed in the jacking blocks (28), and the limiting grooves (29) extend along the axial direction of the pipe (12).
4. A sawing device for wrist arm pre-prepared tube according to claim 1, said tube (12) being flat arm tube or inclined arm tube, characterized in that: the supporting mechanism comprises a flat cantilever pipe positioning unit used for positioning the end part of the flat cantilever pipe and an inclined cantilever pipe positioning unit used for positioning the end part of the inclined cantilever pipe.
5. The sawing device for pipes to be pre-assembled for wrists according to claim 4, wherein: the flat cantilever pipe positioning unit comprises a supporting block (8) which is fixedly arranged, a containing groove (7) which is used for containing the flat cantilever pipe is formed in the supporting block (8), a pressing motor (3) is fixedly arranged on the side of the supporting block (8), the pressing motor (3) is in driving connection with at least one swing arm (4), and a pressing plate (5) which is used for pressing the pipe (12) in the containing groove (7) is fixedly connected with the swing arms (4) together.
6. The sawing device for pipes to be pre-assembled for wrists according to claim 5, wherein: the positioning unit for the flat-cantilever tube comprises a flat-cantilever tube push plate (20) movably arranged at one end of the flat-cantilever tube, the flat-cantilever tube push plate (20) is perpendicular to the flat-cantilever tube, an elongated groove (37) is formed in the flat-cantilever tube push plate (20), a laser ranging sensor (38) is arranged on one side, back to the flat-cantilever tube, of the flat-cantilever tube push plate (20), and detection light of the laser ranging sensor (38) penetrates through the elongated groove (37).
7. The sawing device for the pipe material for the cantilever preassembly as claimed in claim 4, wherein a positioning hole is formed at one end of the pipe material for the inclined cantilever, and the sawing device is characterized in that: the inclined cantilever pipe positioning unit comprises an inclined cantilever pipe positioning pin (42) which is movably arranged, and the inclined cantilever pipe positioning pin (42) is matched with the positioning hole.
8. The wrist arm pre-prepared tubing sawing device according to claim 7, characterized in that: the inclined cantilever pipe positioning unit comprises a supporting block (8) and a pressing cylinder (21), the supporting block (8) is fixedly arranged, an accommodating groove (7) used for accommodating the inclined cantilever pipe is formed in the supporting block (8), the pressing cylinder (21) is in driving connection with at least one rotating plate (41), and the rotating plates (41) are jointly and fixedly connected with a pressing rod (22) used for pressing the inclined cantilever pipe.
9. The sawing device for pipes to be pre-assembled on a wrist arm as claimed in claim 1, wherein: the device comprises a drilling mechanism for drilling a hole in the pipe (12), the drilling mechanism comprising at least one servo drilling machine arranged laterally to the pipe (12).
10. The sawing device for pipes to be pre-assembled on a wrist arm as claimed in claim 1, wherein: the device also comprises a scrap chute (11) arranged obliquely below the pipe (12).
CN202010760936.XA 2020-07-31 2020-07-31 Pipe sawing device for cantilever pre-preparation Pending CN111823007A (en)

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