CN111451577A - Auxiliary device for chamfering operation of nodular cast iron pipe and using method thereof - Google Patents

Auxiliary device for chamfering operation of nodular cast iron pipe and using method thereof Download PDF

Info

Publication number
CN111451577A
CN111451577A CN202010269106.7A CN202010269106A CN111451577A CN 111451577 A CN111451577 A CN 111451577A CN 202010269106 A CN202010269106 A CN 202010269106A CN 111451577 A CN111451577 A CN 111451577A
Authority
CN
China
Prior art keywords
pipe
pipe body
rack
chamfering
push rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202010269106.7A
Other languages
Chinese (zh)
Other versions
CN111451577B (en
Inventor
钟军超
陈建波
温海军
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.)
Xinxing Ductile Iron Pipes Co Ltd
Original Assignee
Xinxing Ductile Iron Pipes Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xinxing Ductile Iron Pipes Co Ltd filed Critical Xinxing Ductile Iron Pipes Co Ltd
Priority to CN202010269106.7A priority Critical patent/CN111451577B/en
Publication of CN111451577A publication Critical patent/CN111451577A/en
Application granted granted Critical
Publication of CN111451577B publication Critical patent/CN111451577B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • B23D79/00Methods, machines, or devices not covered elsewhere, for working metal by removal of material
    • 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
    • B23Q7/00Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
    • 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
    • B23Q7/00Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
    • B23Q7/02Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of drums or rotating tables or discs
    • 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
    • B23Q7/00Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
    • B23Q7/06Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of pushers

Landscapes

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

Abstract

The invention provides an auxiliary device for chamfering operation of a nodular cast iron pipe and a using method thereof, belonging to the technical field of cast pipe production technology and equipment. The auxiliary device for the chamfering operation of the nodular cast iron pipe and the using method thereof have the technical effects of being easy to align with chamfering equipment, being high in chamfering operation speed of the pipe body, improving chamfering operation efficiency of the pipe body and reducing labor intensity of workers.

Description

Auxiliary device for chamfering operation of nodular cast iron pipe and using method thereof
Technical Field
The invention belongs to the technical field of cast pipe production processes and equipment, and particularly relates to an auxiliary device for chamfering ductile cast iron pipes and a using method thereof.
Background
The pipe diameter of the nodular cast iron pipe produced by the cold desert method is smaller, when the production quantity is more, the operation speed is slower when chamfering and ring cutting operations are carried out at the socket of the pipe body, and the following operations are required to be carried out in sequence in the general chamfering operation: the manufactured pipe body is stabilized on the rack, then the spigot end of the pipe body is aligned with the chamfering equipment by moving the pipe body, chamfering operation is facilitated after alignment, and finally the pipe body with the chamfer completed is placed in the storage area through carrying. In the above operation, the stable operation of the pipe body and the centering operation of the chamfering equipment are realized manually, the labor intensity of manual operation is high, the chamfering operation efficiency of the pipe body is low, the operation time is generally used for the centering operation of the chamfering equipment, and the chamfering operation efficiency of the nodular cast iron pipe is greatly reduced.
Disclosure of Invention
The invention aims to provide an auxiliary device for chamfering operation of a nodular cast iron pipe, which aims to solve the technical problems of low operation efficiency and high labor intensity of the chamfering operation of the nodular cast iron pipe.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a nodular cast-iron pipe chamfering auxiliary device, which comprises a frame, a pipe blocking mechanism, a centering mechanism and a pipe shifting mechanism, wherein the middle part of the frame is provided with a bent arc section, and the frame is used for supporting a nodular cast-iron pipe body; the pipe blocking mechanism is arranged on the rack and used for blocking the pipe body which is off-line by the pipe casting equipment and driving the pipe body to roll along the rack in the forward direction; the centering mechanism is arranged on one side of the bent arc section, the bent arc section is used for receiving the pipe body passing through the pipe blocking mechanism, and the centering mechanism is butted with a female end of the pipe body and is used for driving the pipe body to move and enabling a female end of the pipe body to be centered with chamfering equipment arranged on the other side of the rack; the pipe pushing mechanism is arranged above the rack and used for pushing a pipe body which passes through the chamfering equipment after operation and is released by the centering mechanism along the rack in the forward direction, and the pipe blocking mechanism, the centering mechanism and the pipe pushing mechanism are sequentially arranged on the rack in the forward direction.
As another embodiment of the application, the pipe blocking mechanism comprises a rotary table and a driving part, the rotary table is rotatably arranged on the rack, an opening for clamping the pipe body is formed in the rotary table, a baffle arranged along the radial direction of the rotary table is arranged on one side edge of the opening, and the rotary table is rotated in the forward direction and is used for blocking the pipe body after being vertical; the turntable is rotated in the forward direction, and the opening can be clamped with the pipe body; the turntable is rotated in the forward direction, one side edge of the opening of the turntable can drive the pipe body to roll in the forward direction, and when the baffle is in the horizontal shape, the pipe body can roll in the forward direction along the rack; the rotating disc is rotated reversely to block the next pipe body; the driving part is arranged on the outer side of the rack, connected with the turntable shaft and used for driving the turntable to rotate forwards and reversely.
As another embodiment of this application, keep off pipe mechanism still including locating be used for pushing away in the frame body to the push rod that the carousel rolled.
As another embodiment of the present application, the centering mechanism includes a chuck and a pushing assembly, the chuck is used for clamping the female end of the pipe body; the pushing top end of the pushing assembly is fixedly connected with the chuck and used for pushing the pipe body to move axially and centering the chamfering equipment.
As another embodiment of this application, centering mechanism still includes two sets of lifting unit, locates respectively the frame both sides, it is a set of lifting unit is used for the ejection subassembly goes up and down, and is a set of lifting unit is used for the ejection body to go up and down, and is two sets of lifting unit ejection body highly the same.
As another embodiment of this application, centering mechanism still includes two sets of translation subassemblies, locates respectively the frame both sides, it is two sets of translation subassembly is used for driving two sets of respectively lifting unit follows body radial movement.
As another embodiment of the application, the pipe shifting mechanism comprises a shell, a first electric push rod, a shifting rod and a second electric push rod, wherein the shell is fixedly arranged on the rack, and the side part of the shell is provided with a long strip-shaped through hole; the first electric push rod is arranged in the shell, is horizontal and penetrates through the long strip-shaped through hole, and the push end is arranged on the outer side of the shell; the shifting rod is hinged with the pushing end of the first electric push rod and used for shifting the pipe body to roll along the rack in the forward direction; two ends of the second electric push rod are respectively hinged with the first electric push rod and the shifting rod and used for adjusting the unfolding angle between the first electric push rod and the shifting rod, and the shifting rod shifts the pipe body to roll by means of the matching action of the first electric push rod and the second electric push rod.
As another embodiment of the application, the pipe pulling mechanism further comprises a height adjusting assembly and a control switch assembly, wherein the height adjusting assembly is vertically arranged on the shell and used for adjusting the height of the first electric push rod; the control switch assembly is used for respectively controlling the first electric push rod and the second electric push rod to stretch and control the heightening assembly to operate.
The invention also provides a use method of the auxiliary device for the chamfering operation of the nodular cast iron pipe, which comprises the following steps:
one or more nodular cast iron pipe bodies are sequentially placed on a rack, one or more pipe bodies are blocked on the rack through a pipe blocking mechanism, and the pipe bodies are uniformly distributed;
starting the pipe blocking mechanism to drive one pipe body close to the centering mechanism to the bent arc section;
the centering mechanism is operated to be butted with the female end of the pipe body, the female end of the pipe body is driven to be centered with chamfering equipment, and the chamfering equipment performs chamfering operation on the female end of the pipe body;
after the pipe chamfering operation is completed, the centering mechanism releases the pipe body, the pipe body is stirred by the pipe stirring mechanism to roll along the rack in the forward direction, the pipe body is dismounted from the rack manually or mechanically, meanwhile, the pipe blocking mechanism is operated, another pipe body close to the centering mechanism is continuously driven to the bent arc section, the operation is repeated, and chamfering operation and dismounting of the pipe body are sequentially performed on the pipe body.
As another embodiment of this application, set up lifting unit and translation subassembly in frame both sides, lifting unit is used for adjusting the lift height to the body, the translation subassembly is used for adjusting the horizontal position of body for remove the body and with chamfer equipment centering.
The auxiliary device for the chamfering operation of the nodular cast iron pipe has the advantages that: compared with the prior art, the auxiliary device for the chamfering operation of the nodular cast iron pipes has the advantages that the plurality of nodular cast iron pipe bodies are placed on the rack, the pipe bodies are blocked by the pipe blocking mechanism and are driven to roll towards the arc bending section, the centering mechanism clamps the pipe bodies and centers the pipe bodies with the chamfering equipment, and the pipe bodies are stirred by the pipe stirring mechanism to be away from the centering mechanism after chamfering of the spigot end of the pipe bodies is completed.
The use method of the auxiliary device for the chamfering operation of the nodular cast iron pipe has the beneficial effects that: compared with the prior art, the application method of the auxiliary device for the chamfering operation of the nodular cast iron pipe has the advantages that the pipe blocking mechanism, the centering mechanism and the pipe shifting mechanism are sequentially arranged on the rack, so that a plurality of pipes are sequentially arranged on the rack through the pipe blocking mechanism, the spigot ends of the pipes are centered with the chamfering equipment through the operation of the centering mechanism, the chamfering operation of the chamfering equipment is facilitated, the pipes roll on the rack and are far away from the centering mechanism through the operation of the pipe shifting mechanism, the pipe blocking mechanism, the centering mechanism and the pipe shifting mechanism can respectively provide auxiliary support for the chamfering operation of the pipes, the pipes are very convenient to shift after chamfering, the next pipe chamfering operation is facilitated, the pipe chamfering operation efficiency is improved, and the labor intensity is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an auxiliary device for chamfering ductile cast iron pipes according to an embodiment of the present invention;
fig. 2 is a top view of the auxiliary device for chamfering ductile cast iron pipes according to the embodiment of the present invention;
fig. 3 is a schematic diagram of a forward rotation process of a turntable of a pipe blocking mechanism of the auxiliary device for chamfering operations of ductile cast iron pipes, provided by the embodiment of the present invention (forward rotation of the turntable is sequentially in four states of ABCD in the figure, and reverse rotation is in four states of DCBA);
fig. 4 is a schematic structural diagram of a lifting assembly on the side close to chamfering equipment of the auxiliary device for chamfering ductile cast iron pipes according to the embodiment of the present invention;
fig. 5 is a schematic structural diagram of a pipe pulling mechanism of the auxiliary device for chamfering ductile iron pipes according to the embodiment of the present invention.
Wherein, in the figures, the respective reference numerals: 1. a frame; 2. a pipe blocking mechanism; 21. a turntable; 22. a drive section; 221. A rotating shaft; 222. a driven gear; 223. a drive shaft; 224. a driving gear; 225. a drive motor; 23. opening the gap; 24. a baffle plate; 25. a controller; 26. a push rod; 3. a centering mechanism; 31. a chuck; 32. a push-out assembly; 321. a U-shaped frame; 322. a pushing device; 323. a first slide rail; 324. pushing the top block; 33. a lifting assembly; 34. a fixed block; 35. a circular arc-shaped groove; 36. a translation assembly; 361. a chute; 362. a second slide rail; 363. a connecting rod; 364. a rack; 365. a gear; 366. a limiting rod; 367. a rocker; 4. A pipe pulling mechanism; 41. a housing; 42. a first electric push rod; 43. a deflector rod; 44. a second electric push rod; 45. A height adjustment component; 451. a telescopic push rod; 452. a slider; 453. a third slide rail; 46. a control switch assembly; 47. a block for raising; 5. chamfering equipment; 6. a tube body.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 5 together, the auxiliary device for chamfering ductile iron pipes according to the embodiment of the present invention will now be described. The auxiliary device for the chamfering operation of the nodular cast iron pipe comprises a rack 1, a pipe blocking mechanism 2, a centering mechanism 3 and a pipe pulling mechanism 4, wherein the middle part of the rack 1 is provided with a bent arc section, and the rack 1 is used for supporting a nodular cast iron pipe body 6; the pipe blocking mechanism 2 is arranged on the rack 1 and used for blocking the pipe body 6 which is off-line by the pipe casting equipment and driving the pipe body 6 to roll along the rack 1 in the forward direction; the centering mechanism 3 is arranged on one side of the bent arc section, the bent arc section is used for receiving the pipe body 6 passing through the pipe blocking mechanism 2, and the centering mechanism 3 is butted with the female end of the pipe body 6 and used for driving the pipe body 6 to move and enabling the female end of the pipe body 6 to be centered with the chamfering device 5 arranged on the other side of the rack 1; the pipe shifting mechanism 4 is arranged above the rack 1 and used for shifting the pipe body 6 which is operated by the chamfering equipment 5 and released by the centering mechanism 3 along the rack 1 in the forward direction, and the pipe blocking mechanism 2, the centering mechanism 3 and the pipe shifting mechanism 4 are sequentially arranged on the rack 1 in the forward direction.
Compared with the prior art, the auxiliary device for the chamfering operation of the nodular cast iron pipe provided by the embodiment of the invention has the advantages that a plurality of nodular cast iron pipe bodies 6 are placed on the rack 1, the pipe bodies 6 are blocked by the pipe blocking mechanism 2 and the pipe bodies 6 are driven to roll towards the arc bending section, the pipe bodies 6 are clamped by the centering mechanism 3 and are centered with the chamfering device 5, the pipe bodies 6 are shifted away from the centering mechanism 3 by the pipe shifting mechanism 4 after chamfering at the spigot end of the pipe bodies 6 is finished, the technical problems of low operation efficiency and high labor intensity of the chamfering operation of the nodular cast iron pipe are solved, the auxiliary device is easy to center with the chamfering device 5, the chamfering operation speed of the pipe bodies 6 is high, the chamfering operation efficiency of the pipe bodies 6 is improved, and the technical effect of the labor intensity is reduced.
Specifically, frame 1 comprises a plurality of sections support body, be equipped with a plurality of landing leg in the bottom of support body, the landing leg supports subaerial, can separate one section distance between each support body (the distance of separating is less to body 6, do not influence body 6 and pass through), also can interconnect as an organic wholely, and can dismantle and make up, the shape that is located the support body at middle part is crooked form, be the curved arc section promptly, this curved arc section downwarping, body 6 by keeping off that pipe mechanism 2 comes can fall to the lowest of curved arc section automatically and stop rolling, then through 3 centre gripping to body 6 of centering mechanism, be convenient for carry out the chamfer operation to body 6.
In one embodiment, the frame bodies of the frame 1 are arranged end to end in sequence and are of a frame structure, the nodular cast iron pipe body 6 is lapped on the frame 1, and the middle part and two ends of the pipe body 6 are arranged in a suspended mode; keep off pipe mechanism 2 and can block the roll of body 6, make many bodies 6 evenly arrange in frame 1 to operation such as chamfer of carrying on one by one. The forward direction of the frame 1 refers to a direction from the pipe blocking mechanism 2 to the centering mechanism 3 and a direction from the centering mechanism 3 to the pipe poking mechanism 4; conversely, the reverse direction of the frame 1 refers to a direction from the pipe-pulling mechanism 4 to the centering mechanism 3 and a direction from the centering mechanism 3 to the pipe-blocking mechanism 2, and the pipe body 6 does not roll reversely in the invention.
After the centering mechanism 3 is connected with the female end of the pipe body 6, the whole movement of the pipe body 6 can be driven, and the female end of the pipe body 6 can be centered with the chamfering device 5, so that chamfering operation can be carried out. Wherein, the centering means that the central axis of the spigot end of the pipe body 6 is aligned with the center of the chamfering operation end of the chamfering device 5, so that the chamfering device 5 can perform chamfering accurately and is convenient to be formed by one-step processing. After chamfering of one pipe body 6 is finished, the next pipe body 6 is shifted by the pipe shifting mechanism 4 and is far away from the position of the chamfering equipment 5, so that chamfering operation is continuously carried out on the next pipe body 6, and the operations are repeated.
As a specific implementation manner of the embodiment of the auxiliary device for chamfering the ductile cast iron pipe, referring to fig. 1 to 3, the pipe blocking mechanism 2 comprises a rotary table 21 and a driving part 22, the rotary table 21 is rotatably arranged on the frame 1, the rotary table 21 is provided with a notch 23 for clamping the pipe body 6, one side of the notch 23 is provided with a baffle 24 arranged along the radial direction of the rotary table 21, and the rotary table 21 is rotated forward and the baffle 24 is used for blocking the pipe body 6 after being vertically arranged; the rotating disc 21 is rotated forward, and the opening 23 can be clamped with the pipe body 6; the rotating disc 21 is rotated forward, one side edge of the opening 23 of the rotating disc 21 can drive the pipe body 6 to roll forward, and when the baffle plate 24 is horizontal, the pipe body 6 can roll forward along the rack 1; counter-rotating turntable 21 for blocking the next tube body 6; the driving part 22 is disposed outside the frame 1, and is connected to the turntable 21 by a shaft for driving the turntable 21 to rotate in forward and reverse directions. The drive division 22 drive carousel 21 is rotatory, and baffle 24 also rotates, can block body 6 after baffle 24 is vertical form, and carousel 21 can drive body 6 and roll after baffle 24 is the level form, and carousel 21 reversal makes baffle 24 be vertical form once more, blocks next body 6 once more. Specifically, the extension line of the baffle 24 coincides with the center of the rotary table 21, the length of the baffle 24 is long and is greater than the outer diameter of the pipe body 6, the pipe body 6 can be blocked, the baffle 24 is preferably made of rubber and the like, the baffle 24 is firmly fixed with the rotary table 21, and the friction force or impact force between the baffle 24 and the pipe body 6 can be reduced.
Specifically, the overall shape of the rotating disk 21 is circular, the notch 23 is formed in the rotating disk 21, and the shape of the notch 23 is fan-shaped, which can be understood as removing a fan-shaped shape from the rotating disk 21, the pipe body 6 can be clamped at the notch 23, and the notch 23 can drive the pipe body 6 to roll towards the direction of the centering mechanism 3 through the rotation of the rotating disk 21. Wherein, the fan-shaped central angle of opening 23 is 120, and body 6 can be by the regional joint that the circular arc section of opening 23 surrounded, and carousel 21 is in the rotation in-process promptly, and opening 23 can drive body 6 and move together, moves body 6 to centering mechanism 3 department.
The angle of the forward rotation and the reverse rotation of the rotary table 21 is 0-100 degrees, two functions of blocking the pipe body 6 and driving the pipe body 6 to roll towards the centering mechanism 3 can be realized through the forward rotation and the reverse rotation of the rotary table 21, and when the baffle plate 24 is horizontal, the circumferential edge of the rotary table 21 can also play a role of blocking the next pipe body 6.
The carousel 21 is two sets of and arranges side by side, block simultaneously and drive body 6, drive part 22 includes pivot 221, driven gear 222, drive shaft 223, driving gear 224 and driving motor 225, two sets of carousels 21 are connected through pivot 221 altogether, the both ends of pivot 221 rotate with frame 1 both ends respectively and are connected, middle part at pivot 221 is equipped with driven gear 222, side at pivot 221 is provided with drive shaft 223 side by side, driving gear 224 with driven gear 222 intermeshing transmission sets firmly on drive shaft 223, lateral part at frame 1 is equipped with driving motor 225, driving motor 225's power take off end passes through the coupling joint with drive shaft 223, then the power transmission route is: the driving motor 225 outputs power and torque acting on the driving shaft 223, and is first transmitted to the driving gear 224, then transmitted to the driven gear 222, and then transmitted to the rotating shaft 221, and the rotating shaft 221 drives the rotating disc 21 to rotate, thereby playing a role of blocking and driving the tube body 6 to roll.
In the present embodiment, a controller 25 is disposed on the frame 1, and the controller 25 is electrically connected to the driving portion 22 for controlling the forward rotation and the reverse rotation of the turntable 21.
Referring to fig. 1-2, as a specific implementation manner of the embodiment of the auxiliary device for chamfering the ductile cast iron pipe of the present invention, the pipe blocking mechanism 2 further includes a push rod 26 disposed on the frame 1 for pushing the pipe body 6 to roll toward the turntable 21. The push rod 26 pushes the tube body 6 to make the tube body 6 move towards the opening 23 of the rotary table 21, so that the rotary table 21 can drive the tube body 6 to roll towards the centering mechanism 3.
When the pipe bodies 6 in front of the pipe blocking mechanism 2 on the rack 1 are placed irregularly, the pipe bodies 6 can be driven to roll by the push rods 26 at the moment, so that the pipe bodies 6 are placed between the push rods 26 and the rotary table 21, and the pipe bodies 6 are favorably chamfered and the like.
The push rod 26 is an electric telescopic rod member, can be stretched after being electrified, further pushes the pipe body 6 to roll, and is convenient for neatly placing the pipe body 6, and the push rod 26 is a push component for assisting the pipe blocking mechanism 2 to move.
As a specific implementation manner of the embodiment of the auxiliary device for chamfering the ductile cast iron pipe, referring to fig. 1-2, the centering mechanism 3 includes a chuck 31 and a pushing assembly 32, the chuck 31 is used for clamping the female end of the pipe body 6; the pushing end of the pushing assembly 32 is fixedly connected with the chuck 31 for pushing the pipe body 6 to move axially and to be aligned with the chamfering apparatus 5. Chuck 31 can centre gripping body 6 female end, and ejection subassembly 32 pushes up chuck 31 and removes, and then can push up body 6 and remove to make body 6 female end and the operating end of chamfering apparatus 5 align, so that chamfering apparatus 5 carries out the chamfer operation.
Specifically, chuck 31 is three-jaw chuck 31, and through the centre gripping scope of artifical adjustable chuck 31, makes the socket end joint of body 6 in three-jaw chuck 31's inside, makes chuck 31 and body 6 fixed. The pushing component 32 is an electric or hydraulic telescopic rod placed horizontally, and can axially move the pipe body 6 through stretching and retracting, and further can be centered with the chamfering device 5, wherein the three-jaw chuck 31 is a product in the prior art.
In this embodiment, the pushing assembly 32 includes a U-shaped frame 321, an ejector 322 disposed inside the U-shaped frame 321, first slide rails 323 disposed on two sides inside the U-shaped frame 321, and a pushing block 324 disposed at a pushing end of the ejector 322, a length direction of the first slide rails 323 is parallel to a pushing direction of the ejector 322, the ejector 322 is slidably connected between the two first slide rails 323, the chuck 31 is disposed on the pushing block 324 and coaxially disposed, the ejector 322 acts stably in the U-shaped frame 321, can stabilize and support the tube 6, and the pushing block 324 is fixedly connected to the chuck 31 and moves simultaneously.
Preferably, the ejector 322 is an electric or hydraulic telescopic rod, and the pushing force and the pulling force are large, so that the pipe body 6 can be ejected to move.
Referring to fig. 1, 2 and 4, the centering mechanism 3 further includes two sets of lifting assemblies 33 respectively disposed at two sides of the frame 1, one set of lifting assembly 33 is used for lifting the pushing assembly 32, one set of lifting assembly 33 is used for lifting the pushing pipe body 6, and the two sets of lifting assemblies 33 have the same height for pushing the pipe body 6. When ejection subassembly 32 ejection body 6 and chamfering equipment 5 are difficult to realize the centering, can be with the help of lifting unit 33 height-adjusting, so that be applicable to the removal of body 6 of different heights, at this moment, because body 6 is located curved arc section, through natural gravity, then body 6 can roll to the position of the middle part minimum of curved arc section naturally, because the execution end of chamfering equipment 5 cooperates with the minimum position of curved arc section, under the general condition, do not use lifting unit 33 also can realize the purpose to the chamfer of body 6. Therefore, the lifting assembly 33 is arranged under some special conditions, when the central shaft of the pipe body 6 is not aligned with the chamfering device 5, the height of the pipe body 6 is adjusted through the lifting assembly 33, and the aim of aligning the pipe body 6 with the chamfering device 5 can be achieved.
Specifically, the two sides of the frame 1 are respectively provided with a lifting assembly 33, and the two groups of lifting assemblies 33 operate simultaneously and lift simultaneously. The lifting component 33 comprises two groups of electric or hydraulic telescopic rods, one group of lifting component 33 directly pushes the U-shaped frame 321, the top of the other group of lifting component 33 is provided with a fixed block 34, the fixed block 34 is provided with an arc-shaped groove 35, and the arc-shaped groove 35 can support the pipe body 6. At first, two sets of lifting units 33 are operated to push the pipe body 6 to the same height, then the pushing is stopped, the height of the pipe body 6 at the moment is the height of the pipe body 6 on the arc bending section, when the height of the pipe body 6 on the arc bending section is not enough to be aligned with the chamfering device 5, the lifting units 33 can be started or stopped simultaneously again by the aid of the lifting units 33, the pipe body 6 integrally ascends or descends, and the alignment of the pipe body 6 and the chamfering device 5 can be realized at the moment.
Referring to fig. 1, 2 and 4, as a specific implementation manner of the auxiliary device for chamfering operations of ductile cast iron pipes according to the present invention, the centering mechanism 3 further includes two sets of translation assemblies 36 respectively disposed on two sides of the frame 1, and the two sets of translation assemblies 36 are respectively used for driving the two sets of lifting assemblies 33 to move along the pipe body 6 in the radial direction. When the ejector assembly 32 is difficult to center the tube body 6 with the chamfering apparatus 5, the horizontal position of the tube body 6 can be adjusted by means of the translation assembly 36 so as to accommodate the movement of the tube body 6 at different horizontal positions.
Specifically, the two sets of translation assemblies 36 each include a sliding slot 361 disposed at the bottom end of the lifting assembly 33, a second sliding rail 362 slidably connected to the sliding slot 361, a rack 364 fixedly connected to the sliding slot 361 via a connecting rod 363, and a gear 365 engaged with the rack 364 for transmission; the both ends of second slide rail 362 are fixed on the landing leg of frame 1, rack 364 and second slide rail 362 parallel arrangement just are located second slide rail 362 below, set up on frame 1 with rack 364 sliding connection and be used for the gag lever post 366 that spacing rack 364 vertical direction removed, gear 365 rotates to be connected in frame 1 or subaerial, rocker 367 has set firmly on gear 365's center pin, rotation through rocker 367, drive gear 365 rotates, and then drive rack 364 horizontal migration, rack 364 drives spout 361 and slides on second slide rail 362 through connecting rod 363, and then can adjust the horizontal migration position of lifting unit 33, the mesh of adjusting body 6 shift position on the horizontal direction has finally been realized, so that chamfering equipment 5 carries out the chamfer operation to body 6.
Specifically, the forward or reverse rotation of the rocking lever 367 can effect the leftward or rightward movement of the elevating assembly 33 to adjust the horizontal position of the tube 6. The two limiting rods 366 form a sliding space for the rack 364 to slide horizontally, so that the rack 364 cannot slip and the like, and the horizontal movement effect of the lifting assembly 33 is guaranteed.
Referring to fig. 1, 2 and 5, a pipe pulling mechanism 4 includes a housing 41, a first electric push rod 42, a pulling rod 43 and a second electric push rod 44, the housing 41 is fixedly disposed on the frame 1, and the side portion of the housing is provided with a strip-shaped through hole; the first electric push rod 42 is arranged in the shell 41, is horizontal and penetrates through the long strip-shaped through hole, and the push end is arranged outside the shell 41; the shifting lever 43 is hinged with the pushing end of the first electric push rod 42 and is used for shifting the pipe body 6 to roll along the rack 1 in the forward direction; two ends of the second electric push rod 44 are respectively hinged with the first electric push rod 42 and the shift lever 43, the second electric push rod 44 is used for adjusting the unfolding angle between the first electric push rod 42 and the shift lever 43, and the shift lever 43 shifts the tube body 6 to roll by means of the matching action of the first electric push rod 42 and the second electric push rod 44. Because the positions of the tube bodies 6 are different, the first electric push rod 42 and the second electric push rod 44 are arranged to cooperate with each other, so that the tube bodies 6 at different positions can be hooked by the shifting lever 43, and the tube bodies 6 are moved to a position close to the tube shifting mechanism 4. The front end of the shifting lever 43 is arc-shaped, and the pipe body 6 can be shifted to the rack 1 close to the pipe shifting mechanism 4 from the arc-shaped section of the rack 1.
Specifically, the bottom of housing 41 is fixed to frame 1 through block 47, and has a certain height, and rotation through driving lever 43 just can stir body 6. The free end or the inner side of the shift lever 43 is provided with a non-slip pad which can prevent the non-slip pad from sliding with the pipe body 6, so that the operation efficiency of shifting the pipe body 6 is improved.
As a specific implementation manner of the embodiment of the auxiliary device for chamfering ductile cast iron pipes, referring to fig. 1, 2 and 5, the pipe pulling mechanism 4 further comprises a height adjusting assembly 45 and a control switch assembly 46, wherein the height adjusting assembly 45 is vertically arranged on the housing 41 and is used for adjusting the height of the first electric push rod 42; the control switch assembly 46 is used for controlling the first electric push rod 42 and the second electric push rod 44 to extend and retract and controlling the height-adjusting assembly 45 to operate respectively. The control switch assembly 46 is electrically connected to the first electric push rod 42 and the second electric push rod 44 respectively and the height-adjusting assembly 45.
In this embodiment, when first electric putter 42 highly can not satisfy the operation demand of stirring to body 6, just can realize adjusting first electric putter 42 through heightening subassembly 45, and then adjust the height of stirring of driving lever 43, stir body 6. The first electric push rod 42 can be controlled to extend and retract in the horizontal direction, the rotation angle of the second electric push rod 44 to the shift lever 43 and the extension and retraction length of the height-adjusting component 45 can be controlled by controlling the switch component 46, and the effect of shifting the tube body 6 is achieved. The first electric push rod 42 is lifted and lowered inside the elongated through hole in the lifting and lowering process.
Specifically, the control switch assembly 46 includes a P L C programmable controller, a control switch and a control circuit, wherein the P L C programmable controller, the control switch and the control circuit are all prior art products, the number of the control switches is 3, and the control switches are respectively used for controlling the first electric push rod 42 to extend and retract in the horizontal direction, controlling the rotation angle of the second electric push rod 44 to the shift lever 43 and controlling the height adjustment of the height adjustment assembly 45 to the first electric push rod 42, and also can set an action parameter on the P L C programmable controller, so as to achieve the purpose of automatically controlling the pipe shifting operation.
Specifically, the height-adjusting assembly 45 includes a vertically extending and retracting electric or hydraulic telescopic push rod 451 disposed on the housing 41, a slide block 452 is disposed at a pushing end of the telescopic push rod 451, the first electric push rod 42 is further fixedly connected to the slide block 452, a third slide rail 453 is vertically disposed inside the housing 41, the telescopic push rod 451 pushes the slide block 452 to slide on the third slide rail 453, so as to push the first electric push rod 42 to move up and down, so that the height of the first electric push rod 42 is adjusted, and the pipe-pulling operation of the first electric push rod 42 in the height direction is satisfied. First power push rod 42, rod 43, second power push rod 44 and height adjustment assembly 45 are combined with one another to form a digging arm similar to an excavator, and can be used to move tubular body 6 from any position.
The use method of the auxiliary device for the chamfering operation of the nodular cast iron pipe comprises the following steps:
one or more nodular cast iron pipe bodies 6 are sequentially placed on the rack 1, one or more pipe bodies 6 are blocked on the rack 1 through the pipe blocking mechanism 2, and the pipe bodies 6 are uniformly distributed;
starting the pipe blocking mechanism 2 to drive a pipe body 6 close to the centering mechanism 3 to the curved arc section;
the centering mechanism 3 is operated to be butted with the female end of the pipe body 6, the female end of the pipe body 6 is driven to be centered with the chamfering device 5, and the chamfering device 5 performs chamfering operation on the female end of the pipe body 6;
after the chamfering operation of the pipe body 6 is completed, the centering mechanism 3 releases the pipe body 6, the pipe body 6 is stirred by the pipe stirring mechanism 4 to roll along the rack 1 in the forward direction, the pipe body 6 is unloaded from the rack 1 manually or mechanically, the pipe blocking mechanism 2 is operated at the same time, another pipe body 6 close to the centering mechanism 3 is continuously driven to the curved arc section, the operation is repeated, and the chamfering operation and the unloading of the pipe body 6 are sequentially performed on the pipe body 6.
The use method of the auxiliary device for the chamfering operation of the nodular cast iron pipe has the beneficial effects that: compared with the prior art, the using method of the auxiliary device for the chamfering operation of the nodular cast iron pipe comprises the steps that the pipe blocking mechanism 2, the centering mechanism 3 and the pipe shifting mechanism 4 are sequentially arranged on the rack 1, the plurality of pipe bodies 6 sequentially pass through the pipe blocking mechanism 2 and are arranged on the rack 1, the spigot ends of the pipe bodies 6 are centered with the chamfering equipment 5 by operating the centering mechanism 3, the chamfering of the chamfering equipment 5 is facilitated, the pipe bodies 6 roll on the rack 1 and are far away from the centering mechanism 3 by operating the pipe shifting mechanism 4, the pipe blocking mechanism 2, the centering mechanism 3 and the pipe shifting mechanism 4 can respectively provide auxiliary supports for the chamfering operation of the pipe bodies 6, the pipe bodies 6 can be conveniently shifted to chamfer after chamfering, the next pipe body 6 can be conveniently chamfered, the chamfering operation efficiency of the pipe bodies 6 is improved, and the labor intensity of workers is reduced.
Referring to fig. 1, a lifting assembly 33 and a translation assembly 36 are arranged on two sides of the frame 1, the lifting assembly 33 is used for adjusting the lifting height of the pipe body 6, and the translation assembly 36 is used for adjusting the horizontal position of the pipe body 6, and is used for moving the pipe body 6 and centering the chamfering device 5. Two groups of lifting components 33 are respectively arranged at two sides of the frame 1, one group of lifting components 33 is used for pushing the pushing component 32 to lift, one group of lifting components 33 is used for pushing the pushing pipe body 6 to lift, and the heights of the two groups of lifting components 33 pushing the pushing pipe body 6 are the same; two sets of translation subassemblies 36 are located frame 1 both sides respectively, and two sets of translation subassemblies 36 are used for driving two sets of lifting unit 33 respectively and radially move along body 6.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. Nodular cast-iron pipe chamfer operation auxiliary device, its characterized in that includes:
the middle part of the rack is provided with a bent arc section, and the rack is used for supporting the nodular cast iron pipe body;
the pipe blocking mechanism is arranged on the rack and used for blocking the pipe body which is off-line through the pipe casting equipment and driving the pipe body to roll along the rack in the forward direction;
the centering mechanism is arranged on one side of the bent arc section, the bent arc section is used for bearing the pipe body passing through the pipe blocking mechanism, and the centering mechanism is butted with a female end of the pipe body and is used for driving the pipe body to move and enabling a female end of the pipe body to be centered with chamfering equipment arranged on the other side of the rack; and
the pipe shifting mechanism is arranged above the rack and used for shifting the pipe body which is subjected to chamfering equipment operation and then released by the centering mechanism along the rack in the forward direction, and the pipe blocking mechanism, the centering mechanism and the pipe shifting mechanism are sequentially arranged on the rack in the forward direction.
2. The auxiliary device for the chamfering operation of the ductile cast iron pipe as claimed in claim 1, wherein the pipe blocking mechanism comprises:
the rotary table is rotatably arranged on the rack, an opening for clamping the pipe body is formed in the rotary table, a baffle arranged along the radial direction of the rotary table is arranged on one side edge of the opening, and the rotary table is rotated in the forward direction and is used for blocking the pipe body after the baffle is vertical; the turntable is rotated in the forward direction, and the opening can be clamped with the pipe body; the turntable is rotated in the forward direction, one side edge of the opening of the turntable can drive the pipe body to roll in the forward direction, and when the baffle is in the horizontal shape, the pipe body can roll in the forward direction along the rack; the rotating disc is rotated reversely to block the next pipe body; and
and the driving part is arranged outside the rack, connected with the turntable shaft and used for driving the turntable to rotate forwards and reversely.
3. The auxiliary device for the chamfering operation of the ductile cast iron pipe as claimed in claim 2, wherein the pipe blocking mechanism further comprises a push rod arranged on the frame for pushing the pipe body to roll towards the turntable.
4. The nodular cast iron pipe chamfering work auxiliary device as claimed in claim 1, wherein the centering mechanism comprises:
the chuck is used for clamping the female end of the pipe body; and
and the pushing top end of the pushing assembly is fixedly connected with the chuck and used for pushing the pipe body to axially move and align with the chamfering equipment.
5. The ductile iron pipe chamfering operation auxiliary device as claimed in claim 4, wherein the centering mechanism further comprises:
the two groups of lifting assemblies are respectively arranged on two sides of the rack, one group of lifting assembly is used for pushing the pushing assembly to lift, the other group of lifting assembly is used for pushing the pushing pipe body to lift, and the heights of the two groups of lifting assemblies are the same.
6. The ductile iron pipe chamfering operation auxiliary device as claimed in claim 5, wherein the centering mechanism further comprises:
the two sets of translation assemblies are respectively arranged on two sides of the rack and are respectively used for driving the two sets of lifting assemblies to move along the radial direction of the pipe body.
7. The nodular cast iron pipe chamfering operation auxiliary device as claimed in claim 1, wherein the pipe pulling mechanism comprises:
the shell is fixedly arranged on the rack, and the side part of the shell is provided with a long strip-shaped through hole;
the first electric push rod is arranged in the shell, is horizontal and penetrates through the long strip-shaped through hole, and the push end is arranged on the outer side of the shell;
the shifting rod is hinged with the pushing end of the first electric push rod and used for shifting the pipe body to roll along the rack in the forward direction; and
and the two ends of the second electric push rod are respectively hinged with the first electric push rod and the shifting rod and used for adjusting the expansion angle between the first electric push rod and the shifting rod, and the shifting rod shifts the pipe body to roll by means of the matching action of the first electric push rod and the second electric push rod.
8. The ductile iron pipe chamfering operation auxiliary device as claimed in claim 7, wherein said pipe pulling mechanism further comprises:
the height adjusting assembly is vertically arranged on the shell and used for adjusting the height of the first electric push rod; and
and the control switch assembly is used for respectively controlling the first electric push rod and the second electric push rod to stretch and control the heightening assembly to operate.
9. The use method of the auxiliary device for the chamfering operation of the nodular cast iron pipe is characterized by comprising the following steps of:
one or more nodular cast iron pipe bodies are sequentially placed on a rack, one or more pipe bodies are blocked on the rack through a pipe blocking mechanism, and the pipe bodies are uniformly distributed;
starting the pipe blocking mechanism to drive one pipe body close to the centering mechanism to the bent arc section;
the centering mechanism is operated to be butted with the female end of the pipe body, the female end of the pipe body is driven to be centered with chamfering equipment, and the chamfering equipment performs chamfering operation on the female end of the pipe body;
after the pipe chamfering operation is completed, the centering mechanism releases the pipe body, the pipe body is stirred by the pipe stirring mechanism to roll along the rack in the forward direction, the pipe body is dismounted from the rack manually or mechanically, meanwhile, the pipe blocking mechanism is operated, another pipe body close to the centering mechanism is continuously driven to the bent arc section, the operation is repeated, and chamfering operation and dismounting of the pipe body are sequentially performed on the pipe body.
10. The use method of the auxiliary device for chamfering operations of ductile cast iron pipes as claimed in claim 9, wherein a lifting assembly for adjusting the lifting height of the pipe body and a translation assembly for adjusting the horizontal position of the pipe body for moving the pipe body and centering the chamfering apparatus are provided at both sides of the frame.
CN202010269106.7A 2020-04-08 2020-04-08 Auxiliary device for chamfering operation of nodular cast iron pipe and using method thereof Active CN111451577B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010269106.7A CN111451577B (en) 2020-04-08 2020-04-08 Auxiliary device for chamfering operation of nodular cast iron pipe and using method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010269106.7A CN111451577B (en) 2020-04-08 2020-04-08 Auxiliary device for chamfering operation of nodular cast iron pipe and using method thereof

Publications (2)

Publication Number Publication Date
CN111451577A true CN111451577A (en) 2020-07-28
CN111451577B CN111451577B (en) 2021-11-30

Family

ID=71672464

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010269106.7A Active CN111451577B (en) 2020-04-08 2020-04-08 Auxiliary device for chamfering operation of nodular cast iron pipe and using method thereof

Country Status (1)

Country Link
CN (1) CN111451577B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113829157A (en) * 2021-09-24 2021-12-24 合肥市飞虎机械配件铸造有限公司 Automatic chamfering device for socket of nodular cast iron pipe

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5467285A (en) * 1977-11-07 1979-05-30 Kato Hitoshi Method of and appratus for cutting bar and pipe material by rotary dice type cutting tool and product
US5991955A (en) * 1997-04-01 1999-11-30 Lanasa, Sr.; Douglas M. Apparatus for removing burs from internal wall of tubular members
CN201569609U (en) * 2009-11-12 2010-09-01 芜湖新兴铸管有限责任公司 Cast iron pipe hydraulic testing machine
CN206982972U (en) * 2017-05-31 2018-02-09 新兴铸管股份有限公司 The assembling die of spheroidal graphite cast-iron push pipe
CN209424642U (en) * 2018-12-26 2019-09-24 黄石新兴管业有限公司 It is a kind of to give up the automatic pulverizing shearing equipment of pipe for ductile iron pipe
CN212493310U (en) * 2020-04-08 2021-02-09 河北新兴铸管有限公司 Auxiliary device for chamfering operation of nodular cast iron pipe

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5467285A (en) * 1977-11-07 1979-05-30 Kato Hitoshi Method of and appratus for cutting bar and pipe material by rotary dice type cutting tool and product
US5991955A (en) * 1997-04-01 1999-11-30 Lanasa, Sr.; Douglas M. Apparatus for removing burs from internal wall of tubular members
CN201569609U (en) * 2009-11-12 2010-09-01 芜湖新兴铸管有限责任公司 Cast iron pipe hydraulic testing machine
CN206982972U (en) * 2017-05-31 2018-02-09 新兴铸管股份有限公司 The assembling die of spheroidal graphite cast-iron push pipe
CN209424642U (en) * 2018-12-26 2019-09-24 黄石新兴管业有限公司 It is a kind of to give up the automatic pulverizing shearing equipment of pipe for ductile iron pipe
CN212493310U (en) * 2020-04-08 2021-02-09 河北新兴铸管有限公司 Auxiliary device for chamfering operation of nodular cast iron pipe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113829157A (en) * 2021-09-24 2021-12-24 合肥市飞虎机械配件铸造有限公司 Automatic chamfering device for socket of nodular cast iron pipe

Also Published As

Publication number Publication date
CN111451577B (en) 2021-11-30

Similar Documents

Publication Publication Date Title
CN107263109B (en) A kind of steel pipe filling cutting equipment
CN111451577B (en) Auxiliary device for chamfering operation of nodular cast iron pipe and using method thereof
CN112792066B (en) Inner wall cleaning equipment for municipal water supply and drainage pipelines
CN212493310U (en) Auxiliary device for chamfering operation of nodular cast iron pipe
CN105382150A (en) Construction steel bar frame production line
CN112872923A (en) Processing method for mechanical and electrical pipe fittings
CN110064980B (en) Hardware tubular polishing device
CN109590824B (en) Excircle polishing equipment of high-purity copper rotary target
CN113333660A (en) Steel forging process
CN219464980U (en) Synchronous tapping device for porous die castings
CN110405477A (en) A kind of metal tube machining tool and its processing method
CN114406561B (en) Device for industrial welding and use method
CN202180322U (en) Tipper for tank end-socket assembly
CN115094202A (en) High-frequency induction hardening process for turbine blade
CN112475778B (en) Bearing assembly heating device
CN115483021A (en) Positioning device for winding of inductance coil of insulating tube
CN208828820U (en) A kind of work arm assembly for calcium carbide production
CN217571147U (en) Chamfering device of sliding bearing
CN207267126U (en) A kind of welder for being used for realization reverse battery welding
CN108581354A (en) Welding tooling based on welding robot
CN215697731U (en) Sand core adjusting device and sand core regeneration cyclic utilization system
CN218050222U (en) Continuous casting square billet transferring equipment
CN216399274U (en) Automatic feeding device for steel column of shot blasting machine
CN215699385U (en) Positioning device for bracket of automatic submerged arc welding pipe fitting
CN112570695B (en) Cylindrical casting inner wall air hole scraping and repairing equipment

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant