CN108994130A - A kind of pipe fitting internal screw thread increment rolling and extruding device - Google Patents
A kind of pipe fitting internal screw thread increment rolling and extruding device Download PDFInfo
- Publication number
- CN108994130A CN108994130A CN201810572447.4A CN201810572447A CN108994130A CN 108994130 A CN108994130 A CN 108994130A CN 201810572447 A CN201810572447 A CN 201810572447A CN 108994130 A CN108994130 A CN 108994130A
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- China
- Prior art keywords
- pipe fitting
- rolling
- screw thread
- internal screw
- extruding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D15/00—Corrugating tubes
- B21D15/04—Corrugating tubes transversely, e.g. helically
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turning (AREA)
Abstract
Pipe fitting internal screw thread increment rolling and extruding device disclosed by the invention, electro spindle cabinet including numerically-controlled machine tool, electro spindle cabinet side is connected with centering chuck, centering chuck side is fixed with claw, it is fixed with pipe fitting sample in claw, rolling and extruding tool wheel is provided in pipe fitting sample, rolling and extruding tool wheel one end is connected with driving device, electro spindle cabinet is connected with the numerical control device of numerically-controlled machine tool, and the internal screw thread quality for solving the problems, such as that current Milling Process is formed is lower.
Description
Technical field
The invention belongs to pipe fitting forming equipment technical fields, and in particular to a kind of pipe fitting internal screw thread increment rolling and extruding dress
It sets.
Background technique
It is threadedly coupled and is used as the most common type of attachment, purposes is more and using frequently, and the performance superiority and inferiority of screw thread directly affects
Safe to the service life of connected components and use, some processes pipeline needs to connect using pipeline internal screw thread in engineering,
And the processing method of pipe fitting internal screw thread is Milling Process at present, belongs to material removal process mode, it is low that there are screw processing qualities
The problem of.Therefore, it is necessary to a kind of equipment that can be improved pipe fitting internal screw thread quality, to improve the quality of pipe fitting internal screw thread, are promoted
The reliability and elongated component service life of pipe fitting internal screw thread connection.
Summary of the invention
The object of the present invention is to provide a kind of pipe fitting internal screw thread increment rolling and extruding devices, solve current Milling Process shape
At the lower problem of internal screw thread quality.
The technical scheme adopted by the invention is that a kind of pipe fitting internal screw thread increment rolling and extruding device, including numerically-controlled machine tool
Electro spindle cabinet, electro spindle cabinet side is connected with centering chuck, and centering chuck side is fixed with claw, is fixed in claw
Pipe fitting sample is provided with rolling and extruding tool wheel in pipe fitting sample, and rolling and extruding tool wheel one end is connected with driving device, and electricity is main
Axle box is connected with the numerical control device of numerically-controlled machine tool.
The features of the present invention also characterized in that
The motor and electric machine controller of electrical connection are provided in electro spindle cabinet, centering chuck is connected to motor, numerical control dress
It sets and is connect with electric machine controller.
Driving device includes linear motor, and linear motor one end passes through shaft coupling and the horizontal connection of rolling and extruding tool wheel,
It is connected with motor mobile platform below linear motor, motor mobile platform underside is connected on lathe cutter saddle, electro spindle case
Body lower horizontal is connected with lathe bed lead screw, and lathe cutter saddle activity is fixed on lathe bed lead screw, in lathe bed lead screw and electro spindle cabinet
Motor connection.
Rolling and extruding tool wheel includes three groups of edging wheels, and the two sides of three groups of edging wheels are respectively arranged with fixed corner bracket, and three groups
Edging wheel is fixed between two fixed corner brackets by edging wheel mandrel activity.
It is flexibly connected between two fixed corner brackets by drive shaft, drive shaft one end is connected by shaft coupling and linear motor
It connects.
Edging wheel mandrel is fixed on fixed corner bracket by bearing.
The sliding slot for being rectangle structure is offered on each fixed corner bracket, edging wheel mandrel both ends are individually fixed in sliding slot
It is interior.
The diameter of edging wheel mandrel is not more than the length of sliding slot.
Pipe fitting sample has core model close to one end of centering chuck is radially secure, and pipe fitting sample and core model are matched using interference
It closes.
The invention has the advantages that
Traditional inner screw thread milling processing is changed into and waits materials by a kind of pipe fitting internal screw thread increment rolling and extruding device of the present invention
Processing will not generate chip, realize green low-carbon manufacture, and the control rolling and extruding tool wheel feeding of forming process numerical control device
Forming, the axial feed velocity at different lead angle is calculated according to formula, be then input in numerical control device control at
Shape tool wheel increment rolling and extruding pipe internal screw thread, forming process is incremental forming, and the radial direction rolling and extruding amount of feeding is small every time, shapes
It is small that power is smaller, forming is resiliently deformed after the completion, can obtain preferable machined surface quality and superior mechanics and mechanical performance
Pipe fitting internal screw thread, in addition, by adjusting three groups of edging wheel mandrel outer radial positions of rolling and extruding tool wheel, realize adjustment edging at
Shape tool wheel outer diameter size meets the requirement for shaping different bottom diameter pipe fittings.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of pipe fitting internal screw thread increment rolling and extruding device of the present invention；
Fig. 2 is the main view of rolling and extruding tool wheel in a kind of pipe fitting internal screw thread increment rolling and extruding device of the present invention；
Fig. 3 is the side view of rolling and extruding tool wheel in a kind of pipe fitting internal screw thread increment rolling and extruding device of the present invention.
In figure, 1. electro spindle cabinets, 2. centering chucks, 3. claws, 4. pipe fitting samples, 5. rolling and extruding tool wheels, 6. numbers
Device is controlled, 7. linear motors, 8. shaft couplings, 9. motor mobile platforms, 10. lathe cutter saddles, 11. edging wheels, 12. fix corner brackets,
13. edging wheel mandrel, 14. drive shafts, 15. sliding slots, 16. support rollers, 17. vehicle bodies, 18. core models, 19. lathe bed lead screws.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
A kind of pipe fitting internal screw thread increment rolling and extruding device of the present invention, as shown in Figure 1, including the electro spindle case of numerically-controlled machine tool
Body 1,1 side of electro spindle cabinet are connected with centering chuck 2, and 2 side of centering chuck is fixed with claw 3, is fixed with pipe fitting in claw 3
Sample 4, the pipe fitting sample 4 are heavy wall tubular billet, and heavy wall tubular billet is radial by centering chuck 2 and claw 3
Clamping force is fixed, and guarantees that heavy wall tubular billet does not generate axial movement, rolling and extruding work is provided in pipe fitting sample 4
Tool wheel 5,5 one end of rolling and extruding tool wheel is connected with driving device, and electro spindle cabinet 1 is connected with the numerical control device 6 of numerically-controlled machine tool.
Rolling and extruding tool wheel 5 uses alloy tool steel material, quenched by heat treatment process progress material, guarantees edging
The intensity and hardness of forming tool wheel 5.
The motor and electric machine controller of electrical connection are provided in electro spindle cabinet 1, centering chuck 2 is connected to motor, driving
Centering chuck 2 rotates, and numerical control device 6 is connect with electric machine controller, and numerical control device 6 controls the motor control in electro spindle cabinet 1
Device realizes different rotating speeds output, and driving centering chuck 2 is rotated by defined revolving speed.
Driving device includes linear motor 7, and 7 one end of linear motor is horizontal even by shaft coupling 8 and rolling and extruding tool wheel 5
It connects, shaft coupling 8, which is used to securely connect linear motor 7 and rolling and extruding tool wheel 5, to be rotated together with, and shaft coupling 8 selects double diaphragms
Shaft coupling, model GL-44X55mm；It is connected with motor mobile platform 9 below linear motor 7, connects below motor mobile platform 9
It is connected on lathe cutter saddle 10,1 lower horizontal of electro spindle cabinet is connected with lathe bed lead screw 19, and lathe bed is fixed in 10 activity of lathe cutter saddle
On lead screw 19, lathe bed lead screw 19 is connect with the motor in electro spindle cabinet 1.
Numerical control device 6 selects FANUC Series 0i Mate-TD series, precalculates to obtain axis when different lead angle
It is input to numerical control device 6 to feed speed, and by the axial feed velocity, which passes through in control electro spindle cabinet 1
Electric machine controller come drive lathe bed lead screw 19 rotate, drive lathe cutter saddle 10 with axial feed velocity X to movement, to drive
Dynamic rolling and extruding tool wheel 5 is axially moved along pipe fitting sample 4, realizes the internal screw thread for shaping different lead angles；Linear motor 7 selects
With rated power 30KW~200KW, the permanent magnet synchronous motor of model 5IK90A-CF passes through screw with motor mobile platform 9
It is fixed, guarantee that linear motor 7 does not occur to slide relatively with respect to motor mobile platform 9 in forming process；Linear motor 7 is along Y
To mobile to drive rolling and extruding tool wheel 5 along the radial motion of pipe fitting sample 4, so that rolling and extruding tool wheel 5 is along blank
Radial direction gradually apply after load according to axial screw spin line copping rail mark edging inside pipe wall.
As shown in Fig. 2, rolling and extruding tool wheel 5 includes three groups of edging wheels 11, the two sides of three groups of edging wheels 11 are respectively set
There is the fixation corner bracket 12 of equilateral triangle structure, three groups of edging wheels 11 are fixed on two fixations by the uniform activity of edging wheel mandrel 13
Between corner bracket 12, edging wheel mandrel 13 is fixed on fixed corner bracket 12 by bearing, guarantees the rotation function of three groups of edging wheels 11,
And be in 120 degree between two adjacent groups edging wheel 11, further improve the quality of rolling and extruding internal screw thread, two fixed corner brackets 12
Between be flexibly connected by drive shaft 14, as shown in figure 3,14 one end of drive shaft is connect by shaft coupling 8 with linear motor 7, drive
Dynamic fixed 12 rotary motion of corner bracket.
Three groups of edging wheels 11 use alloy tool steel material, and carry out modifier treatment, guarantee the rigidity of three groups of edging wheels 11
And intensity, edging wheel mandrel 13 guarantee also have while meeting rigidity and intensity requirement in forming process using No. 45 Steel materials
Certain toughness；Drive shaft 14 selects medium carbon steel, and intensity, rigidity and toughness can meet forming work requirements；Fixed angles
Frame 12 selects No. 45 Steel materials to be fabricated, and guarantee meets edging wheel mandrel 13 and the design of 14 strength and stiffness of drive shaft is wanted
It asks and forming process smoothly steadily carries out and the operating condition that can continuously work long hours.
As shown in Fig. 2, the sliding slot 15 for being rectangle structure is offered on each fixed corner bracket 12,13 liang of edging wheel mandrel
End is individually fixed in sliding slot 15, guarantees that edging wheel mandrel 13 fastens, and the diameter of edging wheel mandrel 13 is not more than the length of sliding slot 15
Degree, edging wheel mandrel 13 by be installed on sliding slot 15 different location realize rolling and extruding tool wheel 5 outer diameter change, guarantee at
Shape obtains the pipe fitting of different bottom diameters.
As shown in Figure 1, being fixed with support roller 16 below pipe fitting sample 4, support roller 16 is fixed on the vehicle body 17 of numerically-controlled machine tool, support
The setting of wheel 16 ensure that 4 forming process of pipe fitting sample only has rotary motion, without radial deflection；Support roller 16 uses No. 45
Steel is fabricated, and nylon material is adhered to outside support roller 16, reduces abrasion.
As shown in Figure 1, pipe fitting sample 4 has core model 18, and pipe fitting sample 4 close to one end of centering chuck 2 is radially secure
With core model 18 using being interference fitted, guarantees that 3 clamping process core mould 18 of claw does not slide, can also prevent pipe fitting sample 4 from pressing from both sides
It is deformed when tight.
Traditional inner screw thread milling processing is changed into and waits materials by a kind of pipe fitting internal screw thread increment rolling and extruding device of the present invention
Processing will not generate chip, and forming process numerical control device control rolling and extruding tool wheel feeding forming, according to formula
The axial feed velocity at different lead angle is calculated, be then input in numerical control device control forming tool wheel increment edging at
Shape pipe internal screw thread, forming process are incremental forming, and the radial direction rolling and extruding amount of feeding is small every time, forming force is smaller, after the completion of forming
It is resiliently deformed small, the pipe fitting internal screw thread of preferable machined surface quality and superior mechanics and mechanical performance can be obtained.
Claims (9)
1. a kind of pipe fitting internal screw thread increment rolling and extruding device, which is characterized in that the electro spindle cabinet (1) including numerically-controlled machine tool,
Electro spindle cabinet (1) side is connected with centering chuck (2), and centering chuck (2) side is fixed with claw (3), described
It is fixed with pipe fitting sample (4) in claw (3), is provided with rolling and extruding tool wheel (5), the edging in the pipe fitting sample (4)
Forming tool wheel (5) one end is connected with driving device, and the electro spindle cabinet (1) is connected with the numerical control device (6) of numerically-controlled machine tool.
2. a kind of pipe fitting internal screw thread increment rolling and extruding device as described in claim 1, which is characterized in that the electro spindle case
The motor and electric machine controller of electrical connection are provided in body (1), the centering chuck (2) is connected to motor, the numerical control device
(6) it is connect with electric machine controller.
3. a kind of pipe fitting internal screw thread increment rolling and extruding device as described in claim 1, which is characterized in that the driving device
Including linear motor (7), described linear motor (7) one end passes through shaft coupling (8) and rolling and extruding tool wheel (5) horizontal connection,
It is connected with motor mobile platform (9) below the linear motor (7), motor mobile platform (9) underside is connected to machine
On bed knife rest (10), electro spindle cabinet (1) lower horizontal is connected with lathe bed lead screw (19), lathe cutter saddle (10) activity
It is fixed on lathe bed lead screw (19), the lathe bed lead screw (19) connect with the motor in electro spindle cabinet (1).
4. a kind of pipe fitting internal screw thread increment rolling and extruding device as described in claim 1, which is characterized in that the rolling and extruding
Tool wheel (5) includes three groups of edging wheels (11), and the two sides of edging wheel (11) described in three groups are respectively arranged with fixed corner bracket (12), and three
The group edging wheel (11) is fixed between two fixed corner brackets (12) by edging wheel mandrel (13) activity.
5. a kind of pipe fitting internal screw thread increment rolling and extruding device as claimed in claim 4, which is characterized in that two fixations
It is flexibly connected between corner bracket (12) by drive shaft (14), described drive shaft (14) one end passes through shaft coupling (8) and linear motor
(7) it connects.
6. a kind of pipe fitting internal screw thread increment rolling and extruding device as claimed in claim 4, which is characterized in that the edging core wheel
Axis (13) is fixed on fixed corner bracket (12) by bearing.
7. a kind of pipe fitting internal screw thread increment rolling and extruding device as claimed in claim 4, which is characterized in that each fixation
The sliding slot (15) for being rectangle structure is offered on corner bracket (12), edging wheel mandrel (13) both ends are individually fixed in sliding slot
(15) in.
8. a kind of pipe fitting internal screw thread increment rolling and extruding device as claimed in claim 7, which is characterized in that the edging core wheel
The diameter of axis (13) is not more than the length of sliding slot (15).
9. a kind of pipe fitting internal screw thread increment rolling and extruding device as described in claim 1, which is characterized in that the pipe fitting sample
(4) one end of close centering chuck (2) is radially secure has core model (18), and pipe fitting sample (4) and core model (18) use interference
Cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810572447.4A CN108994130A (en) | 2018-06-06 | 2018-06-06 | A kind of pipe fitting internal screw thread increment rolling and extruding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810572447.4A CN108994130A (en) | 2018-06-06 | 2018-06-06 | A kind of pipe fitting internal screw thread increment rolling and extruding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108994130A true CN108994130A (en) | 2018-12-14 |
Family
ID=64574275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810572447.4A Pending CN108994130A (en) | 2018-06-06 | 2018-06-06 | A kind of pipe fitting internal screw thread increment rolling and extruding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108994130A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110303108A (en) * | 2019-07-23 | 2019-10-08 | 三门驰骋汽配有限公司 | Cylindrical nuts Cold Forming of Internal Thread clamp for machining, anti-torsion chuck and processing method |
| CN116618497A (en) * | 2023-07-25 | 2023-08-22 | 苏州瑞玛精密工业股份有限公司 | Cylindrical part inner ripple rotary extrusion equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203635710U (en) * | 2013-12-20 | 2014-06-11 | 华南理工大学 | Power coupling spin-forming apparatus |
| CN205032542U (en) * | 2015-09-29 | 2016-02-17 | 西安理工大学 | Light -wall pipe internal surface increment shaper |
| CN107470451A (en) * | 2017-07-26 | 2017-12-15 | 西安理工大学 | Incremental forming device inside and outside a kind of metal bellows |
| CN206824454U (en) * | 2017-06-19 | 2018-01-02 | 涿州市盛弘机械有限责任公司 | A kind of solar or lunar halo beading machine |
-
2018
- 2018-06-06 CN CN201810572447.4A patent/CN108994130A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203635710U (en) * | 2013-12-20 | 2014-06-11 | 华南理工大学 | Power coupling spin-forming apparatus |
| CN205032542U (en) * | 2015-09-29 | 2016-02-17 | 西安理工大学 | Light -wall pipe internal surface increment shaper |
| CN206824454U (en) * | 2017-06-19 | 2018-01-02 | 涿州市盛弘机械有限责任公司 | A kind of solar or lunar halo beading machine |
| CN107470451A (en) * | 2017-07-26 | 2017-12-15 | 西安理工大学 | Incremental forming device inside and outside a kind of metal bellows |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110303108A (en) * | 2019-07-23 | 2019-10-08 | 三门驰骋汽配有限公司 | Cylindrical nuts Cold Forming of Internal Thread clamp for machining, anti-torsion chuck and processing method |
| CN110303108B (en) * | 2019-07-23 | 2024-04-30 | 三门驰骋汽配有限公司 | Cold extrusion processing clamp, anti-torsion chuck and processing method for internal threads of columnar nuts |
| CN116618497A (en) * | 2023-07-25 | 2023-08-22 | 苏州瑞玛精密工业股份有限公司 | Cylindrical part inner ripple rotary extrusion equipment |
| CN116618497B (en) * | 2023-07-25 | 2023-10-03 | 苏州瑞玛精密工业股份有限公司 | Cylindrical part inner ripple rotary extrusion equipment |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181214 |